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diff --git a/audio_codec/libfaad/helixaac/aacdec.h b/audio_codec/libfaad/helixaac/aacdec.h new file mode 100644 index 0000000..6d22a9e --- a/dev/null +++ b/audio_codec/libfaad/helixaac/aacdec.h @@ -0,0 +1,206 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Source last modified: $Id: aacdec.h,v 1.8 2005/11/10 00:15:08 margotm Exp $ + * + * Portions Copyright (c) 1995-2005 RealNetworks, Inc. All Rights Reserved. + * + * The contents of this file, and the files included with this file, + * are subject to the current version of the RealNetworks Public + * Source License (the "RPSL") available at + * http://www.helixcommunity.org/content/rpsl unless you have licensed + * the file under the current version of the RealNetworks Community + * Source License (the "RCSL") available at + * http://www.helixcommunity.org/content/rcsl, in which case the RCSL + * will apply. You may also obtain the license terms directly from + * RealNetworks. You may not use this file except in compliance with + * the RPSL or, if you have a valid RCSL with RealNetworks applicable + * to this file, the RCSL. Please see the applicable RPSL or RCSL for + * the rights, obligations and limitations governing use of the + * contents of the file. + * + * This file is part of the Helix DNA Technology. RealNetworks is the + * developer of the Original Code and owns the copyrights in the + * portions it created. + * + * This file, and the files included with this file, is distributed + * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY + * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS + * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET + * ENJOYMENT OR NON-INFRINGEMENT. + * + * Technology Compatibility Kit Test Suite(s) Location: + * http://www.helixcommunity.org/content/tck + * + * Contributor(s): + * + * ***** END LICENSE BLOCK ***** */ + +/************************************************************************************** + * Fixed-point HE-AAC decoder + * Jon Recker (jrecker@real.com) + * February 2005 + * + * aacdec.h - public C API for AAC decoder + **************************************************************************************/ + +#ifndef _AACDEC_H +#define _AACDEC_H + +#define _ARC32 + +#if defined(_WIN32) && !defined(_WIN32_WCE) +# +#elif defined(_WIN32) && defined(_WIN32_WCE) && defined(ARM) +# +#elif defined(_WIN32) && defined(WINCE_EMULATOR) +# +#elif defined (__arm) && defined (__ARMCC_VERSION) +# +#elif defined(_SYMBIAN) && defined(__WINS__) +# +#elif defined(__GNUC__) && defined(__arm__) +# +#elif defined(__GNUC__) && defined(__i386__) +# +#elif defined(__GNUC__) && defined(__amd64__) +# +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__POWERPC__)) +# +#elif defined(_OPENWAVE_SIMULATOR) || defined(_OPENWAVE_ARMULATOR) +# +#elif defined(_SOLARIS) && !defined(__GNUC__) +# +#elif defined(_ARC32) +#define __inline _Inline +#else +#error No platform defined. See valid options in aacdec.h +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + /* according to spec (13818-7 section 8.2.2, 14496-3 section 4.5.3) + * max size of input buffer = + * 6144 bits = 768 bytes per SCE or CCE-I + * 12288 bits = 1536 bytes per CPE + * 0 bits = 0 bytes per CCE-D (uses bits from the SCE/CPE/CCE-I it is coupled to) + */ +#ifndef AAC_MAX_NCHANS /* if max channels isn't set in makefile, */ +#define AAC_MAX_NCHANS 6 /* set to default max number of channels */ +#endif +#define AAC_MAX_NSAMPS 1024 +#define AAC_MAINBUF_SIZE (768 * AAC_MAX_NCHANS) + +#define AAC_NUM_PROFILES 3 +#define AAC_PROFILE_MP 0 +#define AAC_PROFILE_LC 1 +#define AAC_PROFILE_SSR 2 + +#define AAC_INPUTBUF_SIZE (2 * 768 * 4) /* pick something big enough to hold a bunch of frames */ + + /* define these to enable decoder features */ +#ifndef __ARC600__ +#define HELIX_FEATURE_AUDIO_CODEC_AAC_SBR +#endif /* __ARC600__ */ +#if defined(HELIX_FEATURE_AUDIO_CODEC_AAC_SBR) +#define AAC_ENABLE_SBR +#endif // HELIX_FEATURE_AUDIO_CODEC_AAC_SBR. +#define AAC_ENABLE_MPEG4 + +#ifdef AAC_ENABLE_SBR +#define SBR_MUL 2 +#else +#define SBR_MUL 1 +#endif + + enum { + ERR_AAC_NONE = 0, + ERR_AAC_INDATA_UNDERFLOW = -1, + ERR_AAC_NULL_POINTER = -2, + ERR_AAC_INVALID_ADTS_HEADER = -3, + ERR_AAC_INVALID_ADIF_HEADER = -4, + ERR_AAC_INVALID_FRAME = -5, + ERR_AAC_MPEG4_UNSUPPORTED = -6, + ERR_AAC_CHANNEL_MAP = -7, + ERR_AAC_SYNTAX_ELEMENT = -8, + + ERR_AAC_DEQUANT = -9, + ERR_AAC_STEREO_PROCESS = -10, + ERR_AAC_PNS = -11, + ERR_AAC_SHORT_BLOCK_DEINT = -12, + ERR_AAC_TNS = -13, + ERR_AAC_IMDCT = -14, + ERR_AAC_NCHANS_TOO_HIGH = -15, + + ERR_AAC_SBR_INIT = -16, + ERR_AAC_SBR_BITSTREAM = -17, + ERR_AAC_SBR_DATA = -18, + ERR_AAC_SBR_PCM_FORMAT = -19, + ERR_AAC_SBR_NCHANS_TOO_HIGH = -20, + ERR_AAC_SBR_SINGLERATE_UNSUPPORTED = -21, + + ERR_AAC_RAWBLOCK_PARAMS = -22, + ERR_AAC_COFF_EXCEED_RANGE = -23, + ERR_AAC_HUFFMAN_DECODING = -24, + ERR_AAC_SPEC_NOT_MATCH = -25, + ERR_AAC_INVALID_ADTS_SYNCWORD = -26, + ERR_AAC_SSR_GAIN_NOT_ADDED = -27, + ERR_AAC_EXIT_DECODE = -28, + + ERR_UNKNOWN = -9999 + }; + + typedef struct _AACIOBuf { + int bytesLeft; + unsigned char *readPtr; + unsigned char readBuf[AAC_INPUTBUF_SIZE]; + short outBuf[AAC_MAX_NCHANS * AAC_MAX_NSAMPS * SBR_MUL]; + } AACIOBuf; + + typedef struct _AACFrameInfo { // should keep same as _audio_codec_config_aacdec_t in audio_codec_aac.h + int bitRate; + int nChans; + int sampRateCore; + int sampRateOut; + int bitsPerSample; + int outputSamps; + int profile; + int tnsUsed; + int pnsUsed; + int format; + unsigned total_byte_parsed; + unsigned total_sample_decoded; + unsigned audio_send_by_frame; + //#ifndef PRE_APOLLO + unsigned char *extra_data; + unsigned extradata_len; + //#endif + } AACFrameInfo; + + typedef void *HAACDecoder; + typedef void *HAACIOBuf; + + /* public C API */ + HAACDecoder AACInitDecoder(); + void AACFreeDecoder(HAACDecoder hAACDecoder); + int AACDecode(HAACDecoder hAACDecoder, unsigned char **inbuf, int *bytesLeft, short *outbuf); + + int AACFindSyncWord(unsigned char *buf, int nBytes); + void AACGetLastFrameInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo); + void AACGetDecoderInfo(HAACDecoder hAACDecoder, AACFrameInfo *aacFrameInfo); + int AACSetRawBlockParams(HAACDecoder hAACDecoder, int copyLast, AACFrameInfo *aacFrameInfo); + int AACFlushCodec(HAACDecoder hAACDecoder); + +#ifdef HELIX_CONFIG_AAC_GENERATE_TRIGTABS_FLOAT + int AACInitTrigtabsFloat(void); + void AACFreeTrigtabsFloat(void); +#endif + + extern int AACDataSource; + +#ifdef __cplusplus +} +#endif + +#endif /* _AACDEC_H */ |