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add alternative samplerate calculation for files with timescale\!=samplerate 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5213 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
atmos4 2002-03-20 04:22:14 +00:00
parent 2fbdb9bdda
commit 0016fc77d1
1 changed files with 22 additions and 1 deletions
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23
libmpdemux/demux_mov.c
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@ -627,12 +627,33 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
sh->samplesize=char2short(trak->stdata,18)/8;
sh->channels=char2short(trak->stdata,16);
/*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,
char2short(trak->stdata,24)/trak->durmap[0].dur);*/
sh->samplerate=char2short(trak->stdata,24);
if((sh->samplerate < 8000) && trak->durmap) {
switch(char2short(trak->stdata,24)/trak->durmap[0].dur) {
// TODO: add more cases.
case 31:
sh->samplerate = 32000; break;
case 43:
sh->samplerate = 44100; break;
case 47:
sh->samplerate = 48000; break;
default:
mp_msg(MSGT_DEMUX, MSGL_WARN,
"MOV: unable to determine audio samplerate, "
"assuming 44.1kHz (got %d)\n",
char2short(trak->stdata,24)/trak->durmap[0].dur);
sh->samplerate = 44100;
}
}
mp_msg(MSGT_DEMUX, MSGL_INFO, "Audio bits: %d chans: %d\n",
trak->stdata[19],trak->stdata[17]);
mp_msg(MSGT_DEMUX, MSGL_INFO, "Audio sample rate: %d\n",
char2short(trak->stdata,24));
sh->samplerate/*char2short(trak->stdata,24)*/);
if((trak->stdata[9]==0) && trak->stdata_len >= 36) { // version 0 with extra atoms
int atom_len = char2int(trak->stdata,28);
switch(char2int(trak->stdata,32)) { // atom type