diff options
Diffstat (limited to 'libmpdemux/demux_mov.c')
-rw-r--r-- | libmpdemux/demux_mov.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libmpdemux/demux_mov.c b/libmpdemux/demux_mov.c index a204cea7f5..9b21c93be4 100644 --- a/libmpdemux/demux_mov.c +++ b/libmpdemux/demux_mov.c @@ -807,7 +807,9 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak if(atom_len > 8) { esds_t esds; if(!mp4_parse_esds(&trak->stdata[36+adjust], atom_len-8, &esds)) { - if(sh->format==0x6134706D && esds.decoderConfigLen > 8) + /* 0xdd is a "user private" id, not an official allocated id (see http://www.mp4ra.org/object.html), + so perform some extra checks to be sure that this is really vorbis audio */ + if(esds.objectTypeId==0xdd && esds.streamType==0x15 && sh->format==0x6134706D && esds.decoderConfigLen > 8) { //vorbis audio unsigned char *buf[3]; @@ -861,6 +863,12 @@ quit_vorbis_block: if(esds.objectTypeId==MP4OTI_MPEG1Audio || esds.objectTypeId==MP4OTI_MPEG2AudioPart3) sh->format=0x55; // .mp3 + if(esds.objectTypeId==MP4OTI_13kVoice) { // 13K Voice, defined by 3GPP2 + sh->format=mmioFOURCC('Q', 'c', 'l', 'p'); + trak->nchannels=sh->channels=1; + trak->samplebytes=sh->samplesize=1; + } + // dump away the codec specific configuration for the AAC decoder if(esds.decoderConfigLen){ if( (esds.decoderConfig[0]>>3) == 29 ) |