lavc: remove old unused audio conversion functions.

3 files changed, 0 insertions, 187 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 8e0d60d..6f80a9e 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -11,7 +11,6 @@ HEADERS = avcodec.h                                                     \
           xvmc.h                                                        \
 
 OBJS = allcodecs.o                                                      \
-       audioconvert.o                                                   \
        avpacket.o                                                       \
        avpicture.o                                                      \
        bitstream.o                                                      \
diff --git a/libavcodec/audioconvert.c b/libavcodec/audioconvert.c
deleted file mode 100644
index 3714de7..0000000
--- a/libavcodec/audioconvert.c
+++ b/dev/null
@@ -1,116 +0,0 @@
-/*
- * audio conversion
- * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * audio conversion
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
-
-#include "libavutil/avstring.h"
-#include "libavutil/common.h"
-#include "libavutil/libm.h"
-#include "libavutil/samplefmt.h"
-#include "avcodec.h"
-#include "audioconvert.h"
-
-struct AVAudioConvert {
-    int in_channels, out_channels;
-    int fmt_pair;
-};
-
-AVAudioConvert *av_audio_convert_alloc(enum AVSampleFormat out_fmt, int out_channels,
-                                       enum AVSampleFormat in_fmt, int in_channels,
-                                       const float *matrix, int flags)
-{
-    AVAudioConvert *ctx;
-    if (in_channels!=out_channels)
-        return NULL;  /* FIXME: not supported */
-    ctx = av_malloc(sizeof(AVAudioConvert));
-    if (!ctx)
-        return NULL;
-    ctx->in_channels = in_channels;
-    ctx->out_channels = out_channels;
-    ctx->fmt_pair = out_fmt + AV_SAMPLE_FMT_NB*in_fmt;
-    return ctx;
-}
-
-void av_audio_convert_free(AVAudioConvert *ctx)
-{
-    av_free(ctx);
-}
-
-int av_audio_convert(AVAudioConvert *ctx,
-                           void * const out[6], const int out_stride[6],
-                     const void * const  in[6], const int  in_stride[6], int len)
-{
-    int ch;
-
-    //FIXME optimize common cases
-
-    for(ch=0; ch<ctx->out_channels; ch++){
-        const int is=  in_stride[ch];
-        const int os= out_stride[ch];
-        const uint8_t *pi=  in[ch];
-        uint8_t *po= out[ch];
-        uint8_t *end= po + os*len;
-        if(!out[ch])
-            continue;
-
-#define CONV(ofmt, otype, ifmt, expr)\
-if(ctx->fmt_pair == ofmt + AV_SAMPLE_FMT_NB*ifmt){\
-    do{\
-        *(otype*)po = expr; pi += is; po += os;\
-    }while(po < end);\
-}
-
-//FIXME put things below under ifdefs so we do not waste space for cases no codec will need
-//FIXME rounding ?
-
-             CONV(AV_SAMPLE_FMT_U8 , uint8_t, AV_SAMPLE_FMT_U8 ,  *(const uint8_t*)pi)
-        else CONV(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_U8 , (*(const uint8_t*)pi - 0x80)<<8)
-        else CONV(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_U8 , (*(const uint8_t*)pi - 0x80)<<24)
-        else CONV(AV_SAMPLE_FMT_FLT, float  , AV_SAMPLE_FMT_U8 , (*(const uint8_t*)pi - 0x80)*(1.0 / (1<<7)))
-        else CONV(AV_SAMPLE_FMT_DBL, double , AV_SAMPLE_FMT_U8 , (*(const uint8_t*)pi - 0x80)*(1.0 / (1<<7)))
-        else CONV(AV_SAMPLE_FMT_U8 , uint8_t, AV_SAMPLE_FMT_S16, (*(const int16_t*)pi>>8) + 0x80)
-        else CONV(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_S16,  *(const int16_t*)pi)
-        else CONV(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_S16,  *(const int16_t*)pi<<16)
-        else CONV(AV_SAMPLE_FMT_FLT, float  , AV_SAMPLE_FMT_S16,  *(const int16_t*)pi*(1.0 / (1<<15)))
-        else CONV(AV_SAMPLE_FMT_DBL, double , AV_SAMPLE_FMT_S16,  *(const int16_t*)pi*(1.0 / (1<<15)))
-        else CONV(AV_SAMPLE_FMT_U8 , uint8_t, AV_SAMPLE_FMT_S32, (*(const int32_t*)pi>>24) + 0x80)
-        else CONV(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_S32,  *(const int32_t*)pi>>16)
-        else CONV(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_S32,  *(const int32_t*)pi)
-        else CONV(AV_SAMPLE_FMT_FLT, float  , AV_SAMPLE_FMT_S32,  *(const int32_t*)pi*(1.0 / (1U<<31)))
-        else CONV(AV_SAMPLE_FMT_DBL, double , AV_SAMPLE_FMT_S32,  *(const int32_t*)pi*(1.0 / (1U<<31)))
-        else CONV(AV_SAMPLE_FMT_U8 , uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(  lrintf(*(const float*)pi * (1<<7)) + 0x80))
-        else CONV(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(  lrintf(*(const float*)pi * (1<<15))))
-        else CONV(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(const float*)pi * (1U<<31))))
-        else CONV(AV_SAMPLE_FMT_FLT, float  , AV_SAMPLE_FMT_FLT, *(const float*)pi)
-        else CONV(AV_SAMPLE_FMT_DBL, double , AV_SAMPLE_FMT_FLT, *(const float*)pi)
-        else CONV(AV_SAMPLE_FMT_U8 , uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(  lrint(*(const double*)pi * (1<<7)) + 0x80))
-        else CONV(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(  lrint(*(const double*)pi * (1<<15))))
-        else CONV(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(const double*)pi * (1U<<31))))
-        else CONV(AV_SAMPLE_FMT_FLT, float  , AV_SAMPLE_FMT_DBL, *(const double*)pi)
-        else CONV(AV_SAMPLE_FMT_DBL, double , AV_SAMPLE_FMT_DBL, *(const double*)pi)
-        else return -1;
-    }
-    return 0;
-}
diff --git a/libavcodec/audioconvert.h b/libavcodec/audioconvert.h
deleted file mode 100644
index 7d76fd6..0000000
--- a/libavcodec/audioconvert.h
+++ b/dev/null
@@ -1,70 +0,0 @@
-/*
- * audio conversion
- * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
- * Copyright (c) 2008 Peter Ross
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCODEC_AUDIOCONVERT_H
-#define AVCODEC_AUDIOCONVERT_H
-
-/**
- * @file
- * Audio format conversion routines
- */
-
-
-#include "libavutil/cpu.h"
-#include "avcodec.h"
-#include "libavutil/channel_layout.h"
-
-struct AVAudioConvert;
-typedef struct AVAudioConvert AVAudioConvert;
-
-/**
- * Create an audio sample format converter context
- * @param out_fmt Output sample format
- * @param out_channels Number of output channels
- * @param in_fmt Input sample format
- * @param in_channels Number of input channels
- * @param[in] matrix Channel mixing matrix (of dimension in_channel*out_channels). Set to NULL to ignore.
- * @param flags See AV_CPU_FLAG_xx
- * @return NULL on error
- */
-AVAudioConvert *av_audio_convert_alloc(enum AVSampleFormat out_fmt, int out_channels,
-                                       enum AVSampleFormat in_fmt, int in_channels,
-                                       const float *matrix, int flags);
-
-/**
- * Free audio sample format converter context
- */
-void av_audio_convert_free(AVAudioConvert *ctx);
-
-/**
- * Convert between audio sample formats
- * @param[in] out array of output buffers for each channel. set to NULL to ignore processing of the given channel.
- * @param[in] out_stride distance between consecutive output samples (measured in bytes)
- * @param[in] in array of input buffers for each channel
- * @param[in] in_stride distance between consecutive input samples (measured in bytes)
- * @param len length of audio frame size (measured in samples)
- */
-int av_audio_convert(AVAudioConvert *ctx,
-                           void * const out[6], const int out_stride[6],
-                     const void * const  in[6], const int  in_stride[6], int len);
-
-#endif /* AVCODEC_AUDIOCONVERT_H */