diff options
Diffstat (limited to 'libmpdemux/demux_mov.c')
| -rw-r--r-- | libmpdemux/demux_mov.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/libmpdemux/demux_mov.c b/libmpdemux/demux_mov.c index 52879ee435..00bb5de271 100644 --- a/libmpdemux/demux_mov.c +++ b/libmpdemux/demux_mov.c @@ -616,6 +616,7 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak // ([int32_t size,int32_t type,some data ],repeat) } my_stdata; #endif + int version, adjust; sh_audio_t* sh=new_sh_audio(demuxer,priv->track_db); sh->format=trak->fourcc; @@ -663,8 +664,27 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak // 36 char[] atom data (len=size-8) // TODO: fix parsing for files using version 2. + version=char2short(trak->stdata,8); + if (version > 1) + mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: version %d sound atom may not parse correctly!\n", version); trak->samplebytes=sh->samplesize=char2short(trak->stdata,18)/8; - trak->nchannels=sh->channels=char2short(trak->stdata,16); + + /* I can't find documentation, but so far this is the case. -Corey */ + switch (char2short(trak->stdata,16)) { + case 1: + trak->nchannels = 1; break; + case 2: + trak->nchannels = 2; break; + case 3: + trak->nchannels = 6; break; + default: + mp_msg(MSGT_DEMUX, MSGL_WARN, + "MOV: unable to determine audio channels, assuming 2 (got %d)\n", + char2short(trak->stdata,16)); + trak->nchannels = 2; + } + sh->channels = trak->nchannels; + /*printf("MOV: timescale: %d samplerate: %d durmap: %d (%d) -> %d (%d)\n", trak->timescale, char2short(trak->stdata,24), trak->durmap[0].dur, trak->durmap[0].num, trak->timescale/trak->durmap[0].dur, @@ -720,10 +740,18 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak } } - if ((trak->stdata[9] == 0 && trak->stdata_len >= 36) || - (trak->stdata[9] == 1 && trak->stdata_len >= 36 + 48)) { - // version 0 with extra atoms - int adjust = (trak->stdata[9]==1)?48:0; + switch (version) { + case 0: + adjust = 0; break; + case 1: + adjust = 48; break; + case 2: + adjust = 68; break; + default: + mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: unknown sound atom version (%d); may not work!\n", version); + adjust = 68; + } + if (trak->stdata_len >= 36 + adjust) { int atom_len = char2int(trak->stdata,28+adjust); switch(char2int(trak->stdata,32+adjust)) { // atom type case MOV_FOURCC('e','s','d','s'): { |