msg_Dbg( &sys.demuxer, "| + Preload Unknown (%s)", typeid(*el).name() );
}
+ ComputeTrackPriority();
+
b_preloaded = true;
return true;
return VLC_SUCCESS;
}
-bool matroska_segment_c::Select( mtime_t i_start_time )
+void matroska_segment_c::ComputeTrackPriority()
{
- /* add all es */
- msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
-
bool b_has_default_video = false;
bool b_has_default_audio = false;
/* check for default */
/* Avoid multivideo tracks when unnecessary */
if( p_tk->fmt.i_cat == VIDEO_ES )
p_tk->fmt.i_priority--;
+ }
+}
+
+bool matroska_segment_c::Select( mtime_t i_start_time )
+{
+ /* add all es */
+ msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
+
+ for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
+ {
+ mkv_track_t *p_tk = tracks[i_track];
+ es_format_t *p_fmt = &p_tk->fmt;
+
+ if( unlikely( p_fmt->i_cat == UNKNOWN_ES || !p_tk->psz_codec ) )
+ {
+ msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, p_tk->i_number );
+ p_tk->p_es = NULL;
+ continue;
+ }
- p_tk->p_es = es_out_Add( sys.demuxer.out, &p_tk->fmt );
+ if( !p_tk->p_es )
+ p_tk->p_es = es_out_Add( sys.demuxer.out, &p_tk->fmt );
/* Turn on a subtitles track if it has been flagged as default -
* but only do this if no subtitles track has already been engaged,
}
if( p_current_chapter->p_segment != p_chapter->p_segment )
- {
- p_chapter->p_segment->Select( i_date );
- p_current_chapter->p_segment->UnSelect();
- }
+ ChangeSegment( p_current_chapter->p_segment, p_chapter->p_segment, i_date );
p_current_chapter = p_chapter;
p_chapter->p_segment->Seek( i_date, i_time_offset, i_global_position );
sub_chapters[i]->print();
}
#endif
+
+void virtual_segment_c::ChangeSegment( matroska_segment_c * p_old, matroska_segment_c * p_new, mtime_t i_start_time )
+{
+ size_t i, j;
+ for( i = 0; i < p_new->tracks.size(); i++)
+ {
+ mkv_track_t *p_tk = p_new->tracks[i];
+ es_format_t *p_nfmt = &p_tk->fmt;
+
+ /* Let's only do that for audio and video for now */
+ if( p_nfmt->i_cat == AUDIO_ES || p_nfmt->i_cat == VIDEO_ES )
+ {
+
+ /* check for a similar elementary stream */
+ for( j = 0; j < p_old->tracks.size(); j++)
+ {
+ es_format_t * p_ofmt = &p_old->tracks[j]->fmt;
+
+ if( !p_old->tracks[j]->p_es )
+ continue;
+
+ if( ( p_nfmt->i_cat == p_ofmt->i_cat ) &&
+ ( p_nfmt->i_codec == p_ofmt->i_codec ) &&
+ ( p_nfmt->i_priority == p_ofmt->i_priority ) &&
+ ( p_nfmt->i_bitrate == p_ofmt->i_bitrate ) &&
+ ( p_nfmt->i_extra == p_ofmt->i_extra ) &&
+ ( (!p_nfmt->p_extra && !p_ofmt->p_extra) ||
+ !memcmp( p_nfmt->p_extra, p_ofmt->p_extra, p_nfmt->i_extra ) ) &&
+ !strcasecmp( p_nfmt->psz_language, p_ofmt->psz_language ) &&
+ ( ( p_nfmt->i_cat == AUDIO_ES &&
+ !memcmp( &p_nfmt->audio, &p_ofmt->audio, sizeof(audio_format_t) ) ) ||
+ ( p_nfmt->i_cat == VIDEO_ES &&
+ !memcmp( &p_nfmt->video, &p_ofmt->video, sizeof(video_format_t) ) ) ) )
+ {
+ /* FIXME handle video palettes... */
+ msg_Warn( &p_old->sys.demuxer, "Reusing decoder of old track %u for track %u", j, i);
+ p_tk->p_es = p_old->tracks[j]->p_es;
+ p_old->tracks[j]->p_es = NULL;
+ break;
+ }
+ }
+ }
+ }
+ p_new->Select( i_start_time );
+ p_old->UnSelect();
+}