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find best (longest) streams if not specified (-aid/-vid)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8387 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-12-07 01:01:25 +00:00
parent 5af3a90dfc
commit bf71bcda6b
1 changed files with 39 additions and 11 deletions
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50
libmpdemux/demux_mov.c
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@ -944,11 +944,11 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
sh->wf->nBlockAlign=char2int(trak->stdata,36);
}
// Selection:
if(demuxer->audio->id==-1 || demuxer->audio->id==priv->track_db){
// (auto)selected audio track:
demuxer->audio->id=priv->track_db;
demuxer->audio->sh=sh; sh->ds=demuxer->audio;
}
// if(demuxer->audio->id==-1 || demuxer->audio->id==priv->track_db){
// // (auto)selected audio track:
// demuxer->audio->id=priv->track_db;
// demuxer->audio->sh=sh; sh->ds=demuxer->audio;
// }
break;
}
case MOV_TRAK_VIDEO: {
@ -1178,11 +1178,11 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
trak->tkdata[81]|(trak->tkdata[80]<<8));
mp_msg(MSGT_DEMUX, MSGL_INFO, "Fourcc: %.4s Codec: '%.*s'\n",&trak->fourcc,trak->stdata[42]&31,trak->stdata+43);
if(demuxer->video->id==-1 || demuxer->video->id==priv->track_db){
// (auto)selected video track:
demuxer->video->id=priv->track_db;
demuxer->video->sh=sh; sh->ds=demuxer->video;
}
// if(demuxer->video->id==-1 || demuxer->video->id==priv->track_db){
// // (auto)selected video track:
// demuxer->video->id=priv->track_db;
// demuxer->video->sh=sh; sh->ds=demuxer->video;
// }
break;
}
case MOV_TRAK_GENERIC:
@ -1440,6 +1440,9 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
int mov_read_header(demuxer_t* demuxer){
mov_priv_t* priv=demuxer->priv;
int t_no;
int best_a_id=-1, best_a_len=0;
int best_v_id=-1, best_v_len=0;
mp_msg(MSGT_DEMUX, MSGL_DBG3, "mov_read_header!\n");
@ -1454,9 +1457,34 @@ int mov_read_header(demuxer_t* demuxer){
lschunks(demuxer, 0, priv->moov_end, NULL);
// mp_msg(MSGT_DEMUX, MSGL_INFO, "--------------\n");
// find the best (longest) streams:
for(t_no=0;t_no<priv->track_db;t_no++){
mov_track_t* trak=priv->tracks[t_no];
int len=(trak->samplesize) ? trak->chunks_size : trak->samples_size;
if(demuxer->audio->id==-1 && demuxer->a_streams[t_no]){ // need audio
if(len>best_a_len){ best_a_len=len; best_a_id=t_no; }
}
if(demuxer->video->id==-1 && demuxer->v_streams[t_no]){ // need video
if(len>best_v_len){ best_v_len=len; best_v_id=t_no; }
}
}
mp_msg(MSGT_DEMUX, MSGL_INFO, "MOV: best streams: A: #%d (%d samples) V: #%d (%d samples)\n",
best_a_id,best_a_len,best_v_id,best_v_len);
if(best_a_id>=0) demuxer->audio->id=best_a_id;
if(best_v_id>=0) demuxer->video->id=best_v_id;
// setup sh pointers:
if(demuxer->audio->id>=0){
sh_audio_t* sh=demuxer->a_streams[demuxer->audio->id];
demuxer->audio->sh=sh; sh->ds=demuxer->audio;
}
if(demuxer->video->id>=0){
sh_video_t* sh=demuxer->v_streams[demuxer->video->id];
demuxer->video->sh=sh; sh->ds=demuxer->video;
}
#if 1
if(verbose>2){
int t_no;
for(t_no=0;t_no<priv->track_db;t_no++){
mov_track_t* trak=priv->tracks[t_no];
if(trak->type==MOV_TRAK_GENERIC){