1 /*****************************************************************************
2 * mkv.cpp : matroska demuxer
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Steve Lhomme <steve.lhomme@free.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
28 #include "matroska_segment.hpp"
31 #include "chapters.hpp"
32 #include "Ebml_parser.hpp"
34 #include "stream_io_callback.hpp"
36 /*****************************************************************************
38 *****************************************************************************/
39 static int Open ( vlc_object_t * );
40 static void Close( vlc_object_t * );
43 set_shortname( "Matroska" )
44 set_description( N_("Matroska stream demuxer" ) )
45 set_capability( "demux", 0 )
46 set_callbacks( Open, Close )
47 set_category( CAT_INPUT )
48 set_subcategory( SUBCAT_INPUT_DEMUX )
50 add_bool( "mkv-use-ordered-chapters", 1, NULL,
51 N_("Ordered chapters"),
52 N_("Play ordered chapters as specified in the segment."), true );
54 add_bool( "mkv-use-chapter-codec", 1, NULL,
56 N_("Use chapter codecs found in the segment."), true );
58 add_bool( "mkv-preload-local-dir", 0, NULL,
59 N_("Preload Directory"),
60 N_("Preload matroska files from the same family in the same directory (not good for broken files)."), true );
62 add_bool( "mkv-seek-percent", 0, NULL,
63 N_("Seek based on percent not time"),
64 N_("Seek based on percent not time."), true );
66 add_bool( "mkv-use-dummy", 0, NULL,
68 N_("Read and discard unknown EBML elements (not good for broken files)."), true );
76 static int Demux ( demux_t * );
77 static int Control( demux_t *, int, va_list );
78 static void Seek ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
80 /*****************************************************************************
81 * Open: initializes matroska demux structures
82 *****************************************************************************/
83 static int Open( vlc_object_t * p_this )
85 demux_t *p_demux = (demux_t*)p_this;
87 matroska_stream_c *p_stream;
88 matroska_segment_c *p_segment;
89 const uint8_t *p_peek;
90 std::string s_path, s_filename;
91 vlc_stream_io_callback *p_io_callback;
92 EbmlStream *p_io_stream;
94 /* peek the begining */
95 if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
98 if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
99 p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
101 /* Set the demux function */
102 p_demux->pf_demux = Demux;
103 p_demux->pf_control = Control;
104 p_demux->p_sys = p_sys = new demux_sys_t( *p_demux );
106 p_io_callback = new vlc_stream_io_callback( p_demux->s, false );
107 p_io_stream = new EbmlStream( *p_io_callback );
109 if( p_io_stream == NULL )
111 msg_Err( p_demux, "failed to create EbmlStream" );
112 delete p_io_callback;
117 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
118 if( p_stream == NULL )
120 msg_Err( p_demux, "cannot find KaxSegment" );
123 p_sys->streams.push_back( p_stream );
125 p_stream->p_in = p_io_callback;
126 p_stream->p_es = p_io_stream;
128 for (size_t i=0; i<p_stream->segments.size(); i++)
130 p_stream->segments[i]->Preload();
133 p_segment = p_stream->segments[0];
134 if( p_segment->cluster == NULL )
136 msg_Err( p_demux, "cannot find any cluster, damaged file ?" );
140 if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
142 /* get the files from the same dir from the same family (based on p_demux->psz_path) */
143 if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
145 // assume it's a regular file
146 // get the directory path
147 s_path = p_demux->psz_path;
148 if (s_path.at(s_path.length() - 1) == DIR_SEP_CHAR)
150 s_path = s_path.substr(0,s_path.length()-1);
154 if (s_path.find_last_of(DIR_SEP_CHAR) > 0)
156 s_path = s_path.substr(0,s_path.find_last_of(DIR_SEP_CHAR));
160 DIR *p_src_dir = utf8_opendir(s_path.c_str());
162 if (p_src_dir != NULL)
165 while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
167 if (strlen(psz_file) > 4)
169 s_filename = s_path + DIR_SEP_CHAR + psz_file;
172 if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
174 if (!s_filename.compare(p_demux->psz_path))
178 continue; // don't reuse the original opened file
181 #if defined(__GNUC__) && (__GNUC__ < 3)
182 if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
183 !s_filename.compare("mka", s_filename.length() - 3, 3))
185 if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
186 !s_filename.compare(s_filename.length() - 3, 3, "mka"))
189 // test wether this file belongs to our family
190 const uint8_t *p_peek;
191 bool file_ok = false;
192 stream_t *p_file_stream = stream_UrlNew(
195 /* peek the begining */
197 stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
198 && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
199 p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
203 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, true );
204 EbmlStream *p_estream = new EbmlStream(*p_file_io);
206 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
208 if ( p_stream == NULL )
210 msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
216 p_stream->p_in = p_file_io;
217 p_stream->p_es = p_estream;
218 p_sys->streams.push_back( p_stream );
223 if( p_file_stream ) {
224 stream_Delete( p_file_stream );
226 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
232 closedir( p_src_dir );
236 p_sys->PreloadFamily( *p_segment );
239 p_sys->PreloadLinked( p_segment );
241 if ( !p_sys->PreparePlayback( NULL ) )
243 msg_Err( p_demux, "cannot use the segment" );
247 p_sys->StartUiThread();
256 /*****************************************************************************
257 * Close: frees unused data
258 *****************************************************************************/
259 static void Close( vlc_object_t *p_this )
261 demux_t *p_demux = (demux_t*)p_this;
262 demux_sys_t *p_sys = p_demux->p_sys;
267 /*****************************************************************************
269 *****************************************************************************/
270 static int Control( demux_t *p_demux, int i_query, va_list args )
272 demux_sys_t *p_sys = p_demux->p_sys;
279 input_attachment_t ***ppp_attach;
284 case DEMUX_GET_ATTACHMENTS:
285 ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
286 pi_int = (int*)va_arg( args, int * );
288 if( p_sys->stored_attachments.size() <= 0 )
291 *pi_int = p_sys->stored_attachments.size();
292 *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
293 p_sys->stored_attachments.size() );
296 for( size_t i = 0; i < p_sys->stored_attachments.size(); i++ )
298 attachment_c *a = p_sys->stored_attachments[i];
299 (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
300 a->p_data, a->i_size );
305 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
306 vlc_meta_Merge( p_meta, p_sys->meta );
309 case DEMUX_GET_LENGTH:
310 pi64 = (int64_t*)va_arg( args, int64_t * );
311 if( p_sys->f_duration > 0.0 )
313 *pi64 = (int64_t)(p_sys->f_duration * 1000);
318 case DEMUX_GET_POSITION:
319 pf = (double*)va_arg( args, double * );
320 if ( p_sys->f_duration > 0.0 )
321 *pf = (double)(p_sys->i_pts >= p_sys->i_start_pts ? p_sys->i_pts : p_sys->i_start_pts ) / (1000.0 * p_sys->f_duration);
324 case DEMUX_SET_POSITION:
325 f = (double)va_arg( args, double );
326 Seek( p_demux, -1, f, NULL );
330 pi64 = (int64_t*)va_arg( args, int64_t * );
331 *pi64 = p_sys->i_pts;
334 case DEMUX_GET_TITLE_INFO:
335 if( p_sys->titles.size() > 1 || ( p_sys->titles.size() == 1 && p_sys->titles[0]->i_seekpoint > 0 ) )
337 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
338 int *pi_int = (int*)va_arg( args, int* );
340 *pi_int = p_sys->titles.size();
341 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
343 for( size_t i = 0; i < p_sys->titles.size(); i++ )
345 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
351 case DEMUX_SET_TITLE:
352 /* TODO handle editions as titles */
353 i_idx = (int)va_arg( args, int );
354 if( i_idx < p_sys->used_segments.size() )
356 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
361 case DEMUX_SET_SEEKPOINT:
362 i_skp = (int)va_arg( args, int );
364 // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
365 if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
367 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
368 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
369 p_demux->info.i_seekpoint = i_skp;
375 pf = (double *)va_arg( args, double * );
377 if( p_sys->p_current_segment && p_sys->p_current_segment->Segment() )
379 const matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
380 for( size_t i = 0; i < p_segment->tracks.size(); i++ )
382 mkv_track_t *tk = p_segment->tracks[i];
383 if( tk->fmt.i_cat == VIDEO_ES && tk->fmt.video.i_frame_rate_base > 0 )
385 *pf = (double)tk->fmt.video.i_frame_rate / tk->fmt.video.i_frame_rate_base;
399 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
401 demux_sys_t *p_sys = p_demux->p_sys;
402 virtual_segment_c *p_vsegment = p_sys->p_current_segment;
403 matroska_segment_c *p_segment = p_vsegment->Segment();
404 mtime_t i_time_offset = 0;
405 int64_t i_global_position = -1;
409 msg_Dbg( p_demux, "seek request to %"PRId64" (%f%%)", i_date, f_percent );
410 if( i_date < 0 && f_percent < 0 )
412 msg_Warn( p_demux, "cannot seek nowhere !" );
415 if( f_percent > 1.0 )
417 msg_Warn( p_demux, "cannot seek so far !" );
421 /* seek without index or without date */
422 if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
424 if( p_sys->f_duration >= 0 && p_segment->b_cues )
426 i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
430 int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
432 msg_Dbg( p_demux, "inaccurate way of seeking for pos:%"PRId64, i_pos );
433 for( i_index = 0; i_index < p_segment->i_index; i_index++ )
435 if( p_segment->b_cues && p_segment->p_indexes[i_index].i_position < i_pos )
437 if( !p_segment->b_cues && p_segment->p_indexes[i_index].i_position >= i_pos && p_segment->p_indexes[i_index].i_time > 0 )
440 if( i_index == p_segment->i_index )
445 i_date = p_segment->p_indexes[i_index].i_time;
447 if( !p_segment->b_cues && ( p_segment->p_indexes[i_index].i_position < i_pos || p_segment->p_indexes[i_index].i_position - i_pos > 2000000 ))
449 msg_Dbg( p_demux, "no cues, seek request to global pos: %"PRId64, i_pos );
450 i_global_position = i_pos;
455 p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter, i_global_position );
458 /* Utility function for BlockDecode */
459 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
462 if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
463 memcpy( p_block->p_buffer + offset, p_mem, i_mem );
464 //p_block->i_rate = p_input->stream.control.i_rate;
468 /* Needed by matroska_segment::Seek() */
469 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
470 mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
472 demux_sys_t *p_sys = p_demux->p_sys;
473 matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
479 if( p_segment->BlockFindTrackIndex( &i_track, block, simpleblock ) )
481 msg_Err( p_demux, "invalid track number" );
485 mkv_track_t *tk = p_segment->tracks[i_track];
487 if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
489 msg_Err( p_demux, "unknown track number" );
492 if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
494 return; /* discard audio packets that shouldn't be rendered */
497 if ( tk->fmt.i_cat != NAV_ES )
499 es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
503 tk->b_inited = false;
509 /* First send init data */
510 if( !tk->b_inited && tk->i_data_init > 0 )
514 msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
515 p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
516 if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
522 (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
527 if( simpleblock != NULL )
529 data = &simpleblock->GetBuffer(i);
530 // condition when the DTS is correct (keyframe or B frame == NOT P frame)
531 f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
535 data = &block->GetBuffer(i);
538 if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
539 p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
541 p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
543 if( p_block == NULL )
548 #if defined(HAVE_ZLIB_H)
549 if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
551 p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
555 if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
557 memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
560 if ( tk->fmt.i_cat == NAV_ES )
562 // TODO handle the start/stop times of this packet
563 if ( p_sys->b_ui_hooked )
565 vlc_mutex_lock( &p_sys->p_ev->lock );
566 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
567 p_sys->SwapButtons();
568 p_sys->b_pci_packet_set = true;
569 vlc_mutex_unlock( &p_sys->p_ev->lock );
570 block_Release( p_block );
574 // correct timestamping when B frames are used
575 if( tk->fmt.i_cat != VIDEO_ES )
577 p_block->i_dts = p_block->i_pts = i_pts;
584 p_block->i_dts = i_pts;
588 p_block->i_pts = i_pts;
590 p_block->i_dts = p_block->i_pts;
592 p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
593 p_sys->i_pts = p_block->i_dts;
596 tk->i_last_dts = p_block->i_dts;
599 msg_Dbg( p_demux, "block i_dts: %"PRId64" / i_pts: %"PRId64, p_block->i_dts, p_block->i_pts);
601 if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
603 p_block->i_length = i_duration * 1000;
606 es_out_Send( p_demux->out, tk->p_es, p_block );
608 /* use time stamp only for first block */
614 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset, int64_t i_global_position )
617 KaxSimpleBlock *simpleblock;
618 int i_track_skipping;
619 int64_t i_block_duration;
620 int64_t i_block_ref1;
621 int64_t i_block_ref2;
623 int64_t i_seek_position = i_start_pos;
624 int64_t i_seek_time = i_start_time;
626 if( i_global_position >= 0 )
628 /* Special case for seeking in files with no cues */
629 EbmlElement *el = NULL;
630 es.I_O().setFilePointer( i_start_pos, seek_beginning );
632 ep = new EbmlParser( &es, segment, &sys.demuxer );
635 while( ( el = ep->Get() ) != NULL )
637 if( MKV_IS_ID( el, KaxCluster ) )
639 cluster = (KaxCluster *)el;
640 i_cluster_pos = cluster->GetElementPosition();
642 ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
644 IndexAppendCluster( cluster );
646 if( es.I_O().getFilePointer() >= i_global_position )
649 msg_Dbg( &sys.demuxer, "we found a cluster that is in the neighbourhood" );
654 msg_Err( &sys.demuxer, "This file has no cues, and we were unable to seek to the requested position by parsing." );
662 for( ; i_idx < i_index; i_idx++ )
664 if( p_indexes[i_idx].i_time + i_time_offset > i_date )
675 i_seek_position = p_indexes[i_idx].i_position;
676 i_seek_time = p_indexes[i_idx].i_time;
679 msg_Dbg( &sys.demuxer, "seek got %"PRId64" (%d%%)",
680 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
682 es.I_O().setFilePointer( i_seek_position, seek_beginning );
685 ep = new EbmlParser( &es, segment, &sys.demuxer );
688 sys.i_start_pts = i_date;
690 /* now parse until key frame */
691 i_track_skipping = 0;
692 for( i_track = 0; i_track < tracks.size(); i_track++ )
694 if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
696 tracks[i_track]->b_search_keyframe = true;
700 es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, i_date );
702 while( i_track_skipping > 0 )
704 if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
706 msg_Warn( &sys.demuxer, "cannot get block EOF?" );
712 for( i_track = 0; i_track < tracks.size(); i_track++ )
714 if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
715 (block && tracks[i_track]->i_number == block->TrackNum()) )
722 sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
724 sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
726 if( i_track < tracks.size() )
728 if( sys.i_pts >= sys.i_start_pts )
730 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
731 i_track_skipping = 0;
733 else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
735 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
737 tracks[i_track]->b_search_keyframe = false;
740 if( !tracks[i_track]->b_search_keyframe )
742 BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
750 /* FIXME current ES_OUT_SET_NEXT_DISPLAY_TIME does not work that well if
751 * the delay is too high. */
752 if( sys.i_pts + 500*1000 < sys.i_start_pts )
754 sys.i_start_pts = sys.i_pts;
756 es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, sys.i_start_pts );
761 /*****************************************************************************
762 * Demux: reads and demuxes data packets
763 *****************************************************************************
764 * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
765 *****************************************************************************/
766 static int Demux( demux_t *p_demux)
768 demux_sys_t *p_sys = p_demux->p_sys;
770 vlc_mutex_lock( &p_sys->lock_demuxer );
772 virtual_segment_c *p_vsegment = p_sys->p_current_segment;
773 matroska_segment_c *p_segment = p_vsegment->Segment();
774 if ( p_segment == NULL ) return 0;
775 int i_block_count = 0;
780 if ( p_sys->demuxer.b_die )
783 if( p_sys->i_pts >= p_sys->i_start_pts )
784 if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
790 if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
792 /* nothing left to read in this ordered edition */
793 if ( !p_vsegment->SelectNext() )
795 p_segment->UnSelect( );
797 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
799 /* switch to the next segment */
800 p_segment = p_vsegment->Segment();
801 if ( !p_segment->Select( 0 ) )
803 msg_Err( p_demux, "Failed to select new segment" );
810 KaxSimpleBlock *simpleblock;
811 int64_t i_block_duration = 0;
812 int64_t i_block_ref1;
813 int64_t i_block_ref2;
815 if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
817 if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
819 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
820 // check if there are more chapters to read
821 if ( p_chap != NULL )
823 /* TODO handle successive chapters with the same user_start_time/user_end_time
824 if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
825 p_vsegment->SelectNext();
827 p_sys->i_pts = p_chap->i_user_end_time;
828 p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
837 msg_Warn( p_demux, "cannot get block EOF?" );
838 p_segment->UnSelect( );
840 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
842 /* switch to the next segment */
843 if ( !p_vsegment->SelectNext() )
844 // no more segments in this stream
846 p_segment = p_vsegment->Segment();
847 if ( !p_segment->Select( 0 ) )
849 msg_Err( p_demux, "Failed to select new segment" );
857 if( simpleblock != NULL )
858 p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
860 p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
862 es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
864 if( p_sys->i_pts >= p_sys->i_start_pts )
866 if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
874 if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
876 /* nothing left to read in this ordered edition */
877 if ( !p_vsegment->SelectNext() )
882 p_segment->UnSelect( );
884 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
886 /* switch to the next segment */
887 p_segment = p_vsegment->Segment();
888 if ( !p_segment->Select( 0 ) )
890 msg_Err( p_demux, "Failed to select new segment" );
898 BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
903 // TODO optimize when there is need to leave or when seeking has been called
904 if( i_block_count > 5 )
911 vlc_mutex_unlock( &p_sys->lock_demuxer );