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correctly mux mpeg2 audio 13818-3 in mp4

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Originally committed as revision 15156 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-09-02 20:48:45 +00:00
parent 428626d5d1
commit dfce888f8a
1 changed files with 7 additions and 1 deletions
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8
libavformat/movenc.c
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@ -272,7 +272,13 @@ static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
putDescr(pb, 0x04, 13 + decoderSpecificInfoLen); putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
// Object type indication // Object type indication
put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)); if ((track->enc->codec_id == CODEC_ID_MP2 ||
track->enc->codec_id == CODEC_ID_MP3) &&
track->enc->sample_rate <= 24000 &&
track->enc->sample_rate >= 16000)
put_byte(pb, 105); // 13818-3
else
put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
// the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio) // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
// plus 1 bit to indicate upstream and 1 bit set to 1 (reserved) // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)