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decode adts aac streams

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Originally committed as revision 4953 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2006-02-08 00:30:58 +00:00
parent 6ee669732d
commit 79b0b66ba0
1 changed files with 26 additions and 10 deletions
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36
libavcodec/faad.c
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@ -49,9 +49,8 @@ static const char* libfaadname = "libfaad.so.0";
typedef struct {
void* handle; /* dlopen handle */
void* faac_handle; /* FAAD library handle */
int frame_size;
int sample_size;
int flags;
int init;
/* faad calls */
faacDecHandle FAADAPI (*faacDecOpen)(void);
@ -111,17 +110,20 @@ static int faac_init_mp4(AVCodecContext *avctx)
#endif
int r = 0;
if (avctx->extradata)
if (avctx->extradata){
r = s->faacDecInit2(s->faac_handle, (uint8_t*) avctx->extradata,
avctx->extradata_size,
&samplerate, &channels);
// else r = s->faacDecInit(s->faac_handle ... );
if (r < 0)
av_log(avctx, AV_LOG_ERROR, "faacDecInit2 failed r:%d sr:%ld ch:%ld s:%d\n",
r, samplerate, (long)channels, avctx->extradata_size);
avctx->sample_rate = samplerate;
avctx->channels = channels;
if (r < 0){
av_log(avctx, AV_LOG_ERROR,
"faacDecInit2 failed r:%d sr:%ld ch:%ld s:%d\n",
r, samplerate, (long)channels, avctx->extradata_size);
} else {
avctx->sample_rate = samplerate;
avctx->channels = channels;
s->init = 1;
}
}
return r;
}
@ -155,6 +157,20 @@ static int faac_decode_frame(AVCodecContext *avctx,
? buf_size : (int)bytesconsumed;
#else
if(!s->init){
unsigned long srate;
unsigned char channels;
int r = faacDecInit(s->faac_handle, buf, buf_size, &srate, &channels);
if(r < 0){
av_log(avctx, AV_LOG_ERROR, "faac: codec init failed: %s\n",
s->faacDecGetErrorMessage(frame_info.error));
return 0;
}
avctx->sample_rate = srate;
avctx->channels = channels;
s->init = 1;
}
out = s->faacDecDecode(s->faac_handle, &frame_info, (unsigned char*)buf, (unsigned long)buf_size);
if (frame_info.error > 0) {