mpv/libmpdemux/demux_demuxers.c

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#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
typedef struct dd_priv {
demuxer_t* vd;
demuxer_t* ad;
demuxer_t* sd;
} dd_priv_t;
demuxer_t* new_demuxers_demuxer(demuxer_t* vd, demuxer_t* ad, demuxer_t* sd) {
demuxer_t* ret;
dd_priv_t* priv;
ret = (demuxer_t*)calloc(1,sizeof(demuxer_t));
priv = (dd_priv_t*)malloc(sizeof(dd_priv_t));
priv->vd = vd;
priv->ad = ad;
priv->sd = sd;
ret->priv = priv;
ret->type = ret->file_format = DEMUXER_TYPE_DEMUXERS;
// Video is the most important :-)
ret->stream = vd->stream;
ret->seekable = vd->seekable && ad->seekable && sd->seekable;
ret->video = vd->video;
ret->audio = ad->audio;
ret->sub = sd->sub;
return ret;
}
int demux_demuxers_fill_buffer(demuxer_t *demux,demux_stream_t *ds) {
dd_priv_t* priv;
priv=demux->priv;
if(ds->demuxer == priv->vd)
return demux_fill_buffer(priv->vd,ds);
else if(ds->demuxer == priv->ad)
return demux_fill_buffer(priv->ad,ds);
else if(ds->demuxer == priv->sd)
return demux_fill_buffer(priv->sd,ds);
printf("Demux demuxers fill_buffer error : bad demuxer : not vd, ad nor sd\n");
return 0;
}
void demux_demuxers_seek(demuxer_t *demuxer,float rel_seek_secs,int flags) {
dd_priv_t* priv;
float pos;
priv=demuxer->priv;
priv->ad->stream->eof = 0;
priv->sd->stream->eof = 0;
// Seek video
demux_seek(priv->vd,rel_seek_secs,flags);
// Get the new pos
pos = demuxer->video->pts;
if(priv->ad != priv->vd) {
sh_audio_t* sh = (sh_audio_t*)demuxer->audio->sh;
demux_seek(priv->ad,pos,1);
// In case the demuxer don't set pts
if(!demuxer->audio->pts)
demuxer->audio->pts = pos-((ds_tell_pts(demuxer->audio)-sh->a_in_buffer_len)/(float)sh->i_bps);
sh->delay = 0;
}
if(priv->sd != priv->vd)
demux_seek(priv->sd,pos,1);
}
void demux_close_demuxers(demuxer_t* demuxer) {
int i;
dd_priv_t* priv = demuxer->priv;
if(priv->vd)
free_demuxer(priv->vd);
if(priv->ad && priv->ad != priv->vd)
free_demuxer(priv->ad);
if(priv->sd && priv->sd != priv->vd && priv->sd != priv->ad)
free_demuxer(priv->sd);
free(priv);
if(demuxer->info) {
for(i=0;demuxer->info[i] != NULL; i++)
free(demuxer->info[i]);
free(demuxer->info);
}
free(demuxer);
}