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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "mp_msg.h"
#include <stdlib.h>
#include <stdio.h>
#include "stream/stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "talloc.h"
typedef struct dd_priv {
demuxer_t* vd;
demuxer_t* ad;
demuxer_t* sd;
} dd_priv_t;
extern const demuxer_desc_t demuxer_desc_demuxers;
demuxer_t* new_demuxers_demuxer(demuxer_t* vd, demuxer_t* ad, demuxer_t* sd) {
demuxer_t* ret;
dd_priv_t* priv;
ret = talloc_zero(NULL, struct demuxer);
priv = 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;
if (sd && sd != vd && sd != ad) sd->sub->non_interleaved = 1;
// without these, demux_demuxers_fill_buffer will never be called,
// but they break the demuxer-specific code in video.c
#if 0
if (vd) vd->video->demuxer = ret;
if (ad) ad->audio->demuxer = ret;
if (sd) sd->sub->demuxer = ret;
#endif
// HACK?, necessary for subtitle (and audio and video when implemented) switching
memcpy(ret->v_streams, vd->v_streams, sizeof(ret->v_streams));
memcpy(ret->a_streams, ad->a_streams, sizeof(ret->a_streams));
memcpy(ret->s_streams, sd->s_streams, sizeof(ret->s_streams));
ret->desc = &demuxer_desc_demuxers;
return ret;
}
static int demux_demuxers_fill_buffer(demuxer_t *demux,demux_stream_t *ds) {
dd_priv_t* priv;
priv=demux->priv;
// HACK: make sure the subtitles get properly interleaved if with -subfile
if (priv->sd && priv->sd->sub != ds &&
priv->sd != priv->vd && priv->sd != priv->ad)
ds_get_next_pts(priv->sd->sub);
if(priv->vd && priv->vd->video == ds)
return demux_fill_buffer(priv->vd,ds);
else if(priv->ad && priv->ad->audio == ds)
return demux_fill_buffer(priv->ad,ds);
else if(priv->sd && priv->sd->sub == ds)
return demux_fill_buffer(priv->sd,ds);
mp_tmsg(MSGT_DEMUX,MSGL_WARN,"fill_buffer error: bad demuxer: not vd, ad or sd.\n");
return 0;
}
static void demux_demuxers_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,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,audio_delay,flags);
// Get the new pos
pos = demuxer->video->pts;
if (!pos) {
demux_fill_buffer(priv->vd, demuxer->video);
if (demuxer->video->first)
pos = demuxer->video->first->pts;
}
if(priv->ad != priv->vd) {
sh_audio_t* sh = demuxer->audio->sh;
demux_seek(priv->ad,pos,audio_delay,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);
}
if(priv->sd != priv->vd)
demux_seek(priv->sd,pos,audio_delay,1);
}
static void demux_close_demuxers(demuxer_t* demuxer) {
dd_priv_t* priv = demuxer->priv;
stream_t *s;
if(priv->vd)
free_demuxer(priv->vd);
if(priv->ad && priv->ad != priv->vd) {
// That's a hack to free the audio file stream
// It's ok atm but we shouldn't free that here
s = priv->ad->stream;
free_demuxer(priv->ad);
free_stream(s);
} if(priv->sd && priv->sd != priv->vd && priv->sd != priv->ad) {
s = priv->sd->stream;
free_demuxer(priv->sd);
free_stream(s);
}
free(priv);
}
static int demux_demuxers_control(demuxer_t *demuxer,int cmd, void *arg){
dd_priv_t* priv = demuxer->priv;
switch (cmd) {
case DEMUXER_CTRL_GET_TIME_LENGTH:
*((double *)arg) = demuxer_get_time_length(priv->vd);
return DEMUXER_CTRL_OK;
case DEMUXER_CTRL_GET_PERCENT_POS:
*((int *)arg) = demuxer_get_percent_pos(priv->vd);
return DEMUXER_CTRL_OK;
}
return DEMUXER_CTRL_NOTIMPL;
}
const demuxer_desc_t demuxer_desc_demuxers = {
"Demuxers demuxer",
"", // Not selectable
"",
"?",
"internal use only",
DEMUXER_TYPE_DEMUXERS,
0, // no autodetect
NULL,
demux_demuxers_fill_buffer,
NULL,
demux_close_demuxers,
demux_demuxers_seek,
demux_demuxers_control
};
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