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parse mpeg4audio config to correctly detect mp3on4, fix iso mp3on4 reference files

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Originally committed as revision 12961 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-04-25 14:03:28 +00:00
parent 69b1c62756
commit 1dec399449
1 changed files with 16 additions and 3 deletions
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19
libavformat/mov.c
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@ -27,6 +27,7 @@
#include "riff.h"
#include "isom.h"
#include "dv.h"
#include "mpeg4audio.h"
#ifdef CONFIG_ZLIB
#include <zlib.h>
@ -361,6 +362,14 @@ static int mp4_read_descr(MOVContext *c, ByteIOContext *pb, int *tag)
#define MP4DecConfigDescrTag 0x04
#define MP4DecSpecificDescrTag 0x05
static const AVCodecTag mp4_audio_types[] = {
{ CODEC_ID_MP3ON4, 29 }, /* old mp3on4 draft */
{ CODEC_ID_MP3ON4, 32 }, /* layer 1 */
{ CODEC_ID_MP3ON4, 33 }, /* layer 2 */
{ CODEC_ID_MP3ON4, 34 }, /* layer 3 */
{ CODEC_ID_NONE, 0 },
};
static int mov_read_esds(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
@ -394,9 +403,13 @@ static int mov_read_esds(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
return AVERROR(ENOMEM);
get_buffer(pb, st->codec->extradata, len);
st->codec->extradata_size = len;
/* from mplayer */
if ((*st->codec->extradata >> 3) == 29) {
st->codec->codec_id = CODEC_ID_MP3ON4;
if (st->codec->codec_id == CODEC_ID_AAC) {
MPEG4AudioConfig cfg;
ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
st->codec->extradata_size);
if (!(st->codec->codec_id = codec_get_id(mp4_audio_types,
cfg.object_type)))
st->codec->codec_id = CODEC_ID_AAC;
}
}
}