1 /*****************************************************************************
2 * bd.c: BluRay Disc support (uncrypted)
3 *****************************************************************************
4 * Copyright (C) 2009 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #ifdef HAVE_SYS_STAT_H
33 # include <sys/stat.h>
37 #include <vlc_common.h>
38 #include <vlc_plugin.h>
39 #include <vlc_input.h>
40 #include <vlc_access.h>
41 #include <vlc_demux.h>
49 /*****************************************************************************
51 *****************************************************************************/
52 #define CACHING_TEXT N_("Caching value in ms")
53 #define CACHING_LONGTEXT N_( \
54 "Caching value for BDs. This "\
55 "value should be set in milliseconds." )
57 static int Open ( vlc_object_t * );
58 static void Close( vlc_object_t * );
61 set_shortname( N_("BD") )
62 set_description( N_("Blu-Ray Disc Input") )
63 set_category( CAT_INPUT )
64 set_subcategory( SUBCAT_INPUT_ACCESS )
65 add_integer( "bd-caching", DEFAULT_PTS_DELAY / 1000, NULL,
66 CACHING_TEXT, CACHING_LONGTEXT, true )
67 set_capability( "access_demux", 60 )
68 add_shortcut( "bd", "file" )
69 set_callbacks( Open, Close )
72 /*****************************************************************************
75 * - http://www.stebbins.biz/source/bdtools.tgz
76 * - hdcookbook java code
77 * - BDInfo source code
78 *****************************************************************************/
80 /*****************************************************************************
82 *****************************************************************************/
98 input_title_t **pp_title;
104 const bd_clpi_t *p_clpi;
112 int i_packet_headers;
113 int64_t i_atc_initial;
114 int64_t i_atc_current;
119 static int Control( demux_t *, int, va_list );
120 static int Demux( demux_t * );
122 static char *FindPathBase( const char *, bool *pb_shortname );
124 static int LoadPlaylist( demux_t * );
125 static int LoadClip( demux_t * );
127 static void ReorderPlaylist( demux_t * );
129 static void InitTitles( demux_t * );
130 static int SetTitle( demux_t *, int );
131 static int SetChapter( demux_t *, int );
132 static int64_t GetTime( demux_t * );
133 static double GetPosition( demux_t * );
134 static int SetTime( demux_t *, int64_t );
135 static int SetPosition( demux_t *, double );
137 static int SetPlayItem( demux_t *p_demux, int i_mpls, int i_play_item );
138 static void ClosePlayItem( demux_t * );
141 static int64_t GetClpiPacket( demux_t *p_demux, int *pi_ep, const bd_mpls_clpi_t *p_mpls_clpi, int64_t i_time /* in 45kHz */ );
143 static es_out_t *EsOutNew( demux_t *p_demux );
147 /*****************************************************************************
149 *****************************************************************************/
150 static int Open( vlc_object_t *p_this )
152 demux_t *p_demux = (demux_t*)p_this;
155 if( *p_demux->psz_access &&
156 strcmp( p_demux->psz_access, "bd" ) &&
157 strcmp( p_demux->psz_access, "file" ) )
162 char *psz_base = FindPathBase( p_demux->psz_path, &b_shortname );
166 msg_Dbg( p_demux, "Using path '%s'", psz_base );
168 /* Fill p_demux field */
169 p_demux->p_sys = p_sys = malloc( sizeof(*p_sys) );
172 p_sys->psz_base = psz_base;
173 p_sys->b_shortname = b_shortname;
174 TAB_INIT( p_sys->i_mpls, p_sys->pp_mpls );
175 TAB_INIT( p_sys->i_clpi, p_sys->pp_clpi );
176 TAB_INIT( p_sys->i_title, p_sys->pp_title );
177 p_demux->info.i_title = -1;
178 p_sys->p_clpi = NULL;
179 p_sys->i_clpi_ep = -1;
180 p_sys->p_parser = NULL;
181 p_sys->p_m2ts = NULL;
182 p_sys->i_play_item = -1;
183 p_sys->i_packet = -1;
184 p_sys->i_packet_start = -1;
185 p_sys->i_packet_stop = -1;
186 p_sys->i_packet_headers = -1;
187 p_sys->p_out = EsOutNew( p_demux );
191 p_demux->pf_control = Control;
192 p_demux->pf_demux = Demux;
194 /* Load all clip/playlist files */
196 LoadPlaylist( p_demux );
198 /* Reorder playlist to have the most significant first
199 * (as we don't have menu support, no idea how to find the main title */
200 ReorderPlaylist( p_demux );
202 /* Setup variables (for TS demuxer) */
203 var_Create( p_demux, "ts-es-id-pid", VLC_VAR_BOOL );
204 var_SetBool( p_demux, "ts-es-id-pid", true );
207 InitTitles( p_demux );
208 if( SetTitle( p_demux, 0 ) )
214 Close( VLC_OBJECT(p_demux) );
218 /*****************************************************************************
220 *****************************************************************************/
221 static void Close( vlc_object_t *p_this )
223 demux_t *p_demux = (demux_t*)p_this;
224 demux_sys_t *p_sys = p_demux->p_sys;
227 ClosePlayItem( p_demux );
230 es_out_Delete( p_sys->p_out );
233 for( int i = 0; i < p_sys->i_title; i++ )
234 vlc_input_title_Delete( p_sys->pp_title[i] );
235 TAB_CLEAN( p_sys->i_title, p_sys->pp_title );
238 for( int i = 0; i < p_sys->i_clpi; i++ )
240 bd_clpi_t *p_clpi = p_sys->pp_clpi[i];
242 bd_clpi_Clean( p_clpi );
245 TAB_CLEAN( p_sys->i_clpi, p_sys->pp_clpi );
248 for( int i = 0; i < p_sys->i_mpls; i++ )
250 bd_mpls_t *p_mpls = p_sys->pp_mpls[i];
252 bd_mpls_Clean( p_mpls );
255 TAB_CLEAN( p_sys->i_mpls, p_sys->pp_mpls );
257 free( p_sys->psz_base );
261 /*****************************************************************************
263 *****************************************************************************/
264 static int Control( demux_t *p_demux, int i_query, va_list args )
266 demux_sys_t *p_sys = p_demux->p_sys;
272 int64_t *pi_time = (int64_t*)va_arg( args, int64_t * );
273 *pi_time = GetTime( p_demux );
277 case DEMUX_GET_POSITION:
279 double *pf_position = (double*)va_arg( args, double * );
280 *pf_position = GetPosition( p_demux );
286 int64_t i_time = (int64_t)va_arg( args, int64_t );
287 return SetTime( p_demux, i_time );
289 case DEMUX_SET_POSITION:
291 double f_position = (double)va_arg( args, double );
292 return SetPosition( p_demux, f_position );
295 case DEMUX_GET_LENGTH:
297 int64_t *pi_length = (int64_t*)va_arg( args, int64_t * );
298 *pi_length = p_sys->pp_title[p_demux->info.i_title]->i_length;
302 /* Special for access_demux */
303 case DEMUX_CAN_PAUSE:
305 case DEMUX_CAN_CONTROL_PACE:
307 bool *pb_bool = (bool*)va_arg( args, bool * );
312 case DEMUX_SET_PAUSE_STATE:
315 case DEMUX_GET_TITLE_INFO:
317 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
318 int *pi_int = (int*)va_arg( args, int* );
319 int *pi_title_offset = (int*)va_arg( args, int* );
320 int *pi_chapter_offset = (int*)va_arg( args, int* );
323 *pi_title_offset = 0;
324 *pi_chapter_offset = 0;
326 /* Duplicate title infos */
327 *pi_int = p_sys->i_title;
328 *ppp_title = calloc( p_sys->i_title, sizeof(input_title_t **) );
329 for( int i = 0; i < p_sys->i_title; i++ )
330 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->pp_title[i] );
335 case DEMUX_SET_TITLE:
337 int i_title = (int)va_arg( args, int );
339 if( SetTitle( p_demux, i_title ) )
343 case DEMUX_SET_SEEKPOINT:
345 int i_chapter = (int)va_arg( args, int );
347 if( SetChapter( p_demux, i_chapter ) )
352 case DEMUX_GET_PTS_DELAY:
354 int64_t *pi_delay = (int64_t*)va_arg( args, int64_t * );
355 *pi_delay = var_GetInteger( p_demux, "bd-caching" ) * INT64_C(1000);
366 /*****************************************************************************
368 *****************************************************************************/
369 #define BD_TS_PACKET_HEADER (4)
370 #define BD_TS_PACKET_SIZE (192)
371 static int Demux( demux_t *p_demux )
373 demux_sys_t *p_sys = p_demux->p_sys;
378 if( p_sys->i_packet == p_sys->i_packet_start )
380 stream_Seek( p_sys->p_m2ts, 0 );
382 block_t *p_block = stream_Block( p_sys->p_m2ts,
383 p_sys->i_packet_headers * (int64_t)BD_TS_PACKET_SIZE + BD_TS_PACKET_HEADER );
386 p_block->i_buffer -= BD_TS_PACKET_HEADER;
387 p_block->p_buffer += BD_TS_PACKET_HEADER;
388 stream_DemuxSend( p_sys->p_parser, p_block );
391 stream_Seek( p_sys->p_m2ts, p_sys->i_packet_start * (int64_t)BD_TS_PACKET_SIZE );
395 const int i_packets = __MIN( 5, p_sys->i_packet_stop - p_sys->i_packet );
398 const int i_title = p_demux->info.i_title;
399 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_title];
401 if( p_sys->i_play_item < p_mpls->i_play_item )
403 if( !SetPlayItem( p_demux, i_title, p_sys->i_play_item + 1 ) )
405 msg_Warn( p_demux, "Failed to switch to the next play item" );
409 if( SetTitle( p_demux, i_title + 1 ) )
415 * we ensure that the TS packet start at the begining of the buffer,
416 * it ensure proper TS parsing */
417 block_t *p_block = block_New( p_demux, i_packets * BD_TS_PACKET_SIZE + BD_TS_PACKET_HEADER );
421 const int i_read = stream_Read( p_sys->p_m2ts, p_block->p_buffer, p_block->i_buffer - BD_TS_PACKET_HEADER );
424 msg_Err( p_demux, "Error reading current title" );
430 const int64_t i_atc = GetDWBE( p_block->p_buffer ) & ( (1 << 30) - 1 );
432 if( i_atc < p_sys->i_atc_last )
433 p_sys->i_atc_wrap += 1 << 30;
434 p_sys->i_atc_last = i_atc;
436 if( p_sys->i_atc_initial < 0 )
437 p_sys->i_atc_initial = i_atc + p_sys->i_atc_wrap;
439 p_sys->i_atc_current = i_atc + p_sys->i_atc_wrap;
442 p_block->i_buffer = i_read;
443 p_block->p_buffer += BD_TS_PACKET_HEADER;
444 stream_DemuxSend( p_sys->p_parser, p_block );
446 p_sys->i_packet += i_read / BD_TS_PACKET_SIZE;
449 if( p_sys->p_clpi->i_ep_map > 0 )
451 const int i_old_clpi_ep = p_sys->i_clpi_ep;
453 const bd_clpi_ep_map_t *p_ep_map = &p_sys->p_clpi->p_ep_map[0];
454 for( ; p_sys->i_clpi_ep+1 < p_ep_map->i_ep; p_sys->i_clpi_ep++ )
456 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep+1];
458 if( p_ep->i_packet > p_sys->i_packet )
461 if( i_old_clpi_ep != p_sys->i_clpi_ep )
463 /* We have changed of EP */
464 p_sys->i_atc_initial = p_sys->i_atc_current; /* FIXME not exact */
466 /* Update seekpoint */
467 const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
468 const int64_t i_time = GetTime( p_demux );
470 for( ; p_demux->info.i_seekpoint+1 < p_title->i_seekpoint; p_demux->info.i_seekpoint++ )
472 const seekpoint_t *p_seekpoint = p_title->seekpoint[p_demux->info.i_seekpoint+1];
473 if( p_seekpoint->i_time_offset > i_time )
475 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
482 /*****************************************************************************
484 *****************************************************************************/
485 #define BD_45KHZ INT64_C(45000)
486 static void InitTitles( demux_t *p_demux )
488 demux_sys_t *p_sys = p_demux->p_sys;
491 for( int i = 0; i < p_sys->i_mpls; i++ )
493 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i];
495 input_title_t *t = vlc_input_title_New();
501 for( int j = 0; j < p_mpls->i_play_item; j++ )
503 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[j];
505 t->i_length += ( p_item->i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
510 char psz_length[MSTRTIME_MAX_SIZE];
511 msg_Warn( p_demux, "TITLE[%d] %s", i, secstotimestr( psz_length, t->i_length / CLOCK_FREQ ) );
516 for( int j = 0; j < p_mpls->i_mark; j++ )
518 bd_mpls_mark_t *p_mark = &p_mpls->p_mark[j];
520 if( p_mark->i_type == BD_MPLS_MARK_TYPE_BOOKMARK &&
521 p_mark->i_play_item_id >= 0 && p_mark->i_play_item_id < p_mpls->i_play_item )
523 seekpoint_t *s = vlc_seekpoint_New();
527 for( int k = 0; k <= p_mark->i_play_item_id; k++ )
529 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[k];
532 if( k == p_mark->i_play_item_id )
533 i_out_time = p_mark->i_time;
535 i_out_time = p_item->i_out_time;
536 s->i_time_offset += ( i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
540 char psz_time[MSTRTIME_MAX_SIZE];
541 msg_Warn( p_demux, " SEEKPOINT[%d] %s", j, secstotimestr( psz_time, s->i_time_offset / CLOCK_FREQ ) );
544 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
547 if( t->i_seekpoint <= 0 )
549 seekpoint_t *s = vlc_seekpoint_New();
551 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
554 TAB_APPEND( p_sys->i_title, p_sys->pp_title, t );
557 static int SetTitle( demux_t *p_demux, int i_title )
559 demux_sys_t *p_sys = p_demux->p_sys;
561 if( i_title < 0 || i_title >= p_sys->i_title )
565 if( SetPlayItem( p_demux, i_title, 0 ) )
569 p_demux->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
570 p_demux->info.i_title = i_title;
571 p_demux->info.i_seekpoint = 0;
575 static int SetChapter( demux_t *p_demux, int i_chapter )
577 demux_sys_t *p_sys = p_demux->p_sys;
578 const int i_title = p_demux->info.i_title;
579 const input_title_t *p_title = p_sys->pp_title[i_title];
581 if( i_chapter < 0 || i_chapter > p_title->i_seekpoint )
584 if( SetTime( p_demux, p_title->seekpoint[i_chapter]->i_time_offset ) )
589 static int SetPlayItem( demux_t *p_demux, int i_mpls, int i_play_item )
591 demux_sys_t *p_sys = p_demux->p_sys;
593 /* FIXME TODO do not reopen everything when avoidable
594 * XXX becarefull that then the es_out wrapper need some sort of
598 const bool b_same_mpls = i_mpls == p_demux->info.i_title;
599 //const bool b_same_play_item = b_same_mpls &&
600 // i_play_item == p_sys->i_play_item;
603 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
606 if( i_play_item < 0 || i_play_item >= p_mpls->i_play_item )
609 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i_play_item];
610 const bd_mpls_clpi_t *p_mpls_clpi = &p_item->clpi;
612 const bd_clpi_t *p_clpi = NULL;
613 for( int i_clpi = 0; i_clpi < p_sys->i_clpi && !p_clpi; i_clpi++ )
615 if( p_sys->pp_clpi[i_clpi]->i_id == p_mpls_clpi->i_id )
616 p_clpi = p_sys->pp_clpi[i_clpi];
619 const bool b_same_clpi = b_same_mpls && p_sys->p_clpi->i_id == p_clpi->i_id;
620 stream_t *p_m2ts = NULL;
624 if( asprintf( &psz_m2ts, "%s/STREAM/%05d.%s",
625 p_sys->psz_base, p_mpls_clpi->i_id, p_sys->b_shortname ? "MTS" : "m2ts" ) < 0 )
628 p_m2ts = stream_UrlNew( p_demux, psz_m2ts );
631 msg_Err( p_demux, "Failed to open %s", psz_m2ts );
638 /* TODO avoid reopenning the parser when unneeded.
639 * - b_same_play_item is too strict, we should check the play_items connection.
640 * - a way to completely flush the demuxer is also needed !
642 //const bool b_same_parser = b_same_play_item && false;
643 stream_t *p_parser = stream_DemuxNew( p_demux, "ts", p_sys->p_out );
646 msg_Err( p_demux, "Failed to create TS demuxer" );
648 stream_Delete( p_m2ts );
655 msg_Dbg( p_demux, "Reusing stream file" );
656 p_m2ts = p_sys->p_m2ts;
657 p_sys->p_m2ts = NULL;
661 ClosePlayItem( p_demux );
664 p_sys->p_clpi = p_clpi;
665 p_sys->p_parser = p_parser;
666 p_sys->p_m2ts = p_m2ts;
667 p_sys->i_play_item = i_play_item;
669 p_sys->i_packet_start = GetClpiPacket( p_demux, &p_sys->i_clpi_ep, p_mpls_clpi, p_item->i_in_time );
670 if( p_sys->i_packet_start < 0 )
672 p_sys->i_packet_start = 0;
673 p_sys->i_clpi_ep = 0;
676 p_sys->i_packet_stop = GetClpiPacket( p_demux, NULL, p_mpls_clpi, p_item->i_out_time );
677 if( p_sys->i_packet_stop < 0 )
678 p_sys->i_packet_stop = stream_Size( p_m2ts ) / BD_TS_PACKET_SIZE;
679 p_sys->i_packet = p_sys->i_packet_start;
681 /* This is a hack to detect the number of packet to send before any data
682 * to have the PAT/PMT. I have no idea if it is the right, but seems to work.
683 * I used a limits of 10 packets, sufficient if it is really only headers */
684 p_sys->i_packet_headers = 0;
685 if( p_clpi->i_ep_map > 0 )
687 const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
688 if( p_ep_map->i_ep > 0 )
689 p_sys->i_packet_headers = __MIN( p_ep_map->p_ep[0].i_packet, 10 );
692 p_sys->i_atc_initial = -1;
693 p_sys->i_atc_current = -1;
694 p_sys->i_atc_last = -1;
695 p_sys->i_atc_wrap = 0;
699 static void ClosePlayItem( demux_t *p_demux )
701 demux_sys_t *p_sys = p_demux->p_sys;
704 stream_Delete( p_sys->p_m2ts );
705 if( p_sys->p_parser )
706 stream_Delete( p_sys->p_parser );
708 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
711 static int64_t GetClpiPacket( demux_t *p_demux, int *pi_ep, const bd_mpls_clpi_t *p_mpls_clpi, int64_t i_time /* in 45kHz */ )
713 demux_sys_t *p_sys = p_demux->p_sys;
715 const bd_clpi_t *p_clpi = p_sys->p_clpi;
718 if( p_clpi->i_ep_map <= 0 )
720 const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
722 if( p_mpls_clpi->i_stc_id < 0 || p_mpls_clpi->i_stc_id >= p_clpi->i_stc )
725 const bd_clpi_stc_t *p_stc = &p_clpi->p_stc[p_mpls_clpi->i_stc_id];
727 /* Not sure it is right */
728 if( i_time < p_stc->i_start || i_time > p_stc->i_end )
732 const int64_t i_packet = p_stc->i_packet;
734 for( i_ep = 0; i_ep < p_ep_map->i_ep; i_ep++ )
736 if( p_ep_map->p_ep[i_ep].i_packet >= i_packet )
739 if( i_ep >= p_ep_map->i_ep )
742 for( ; i_ep < p_ep_map->i_ep; i_ep++ )
744 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[i_ep];
745 const bd_clpi_ep_t *p_ep_next = &p_ep_map->p_ep[i_ep+1];
747 if( i_ep+1 < p_ep_map->i_ep && p_ep_next->i_pts / 2 > i_time )
749 if( p_ep->i_pts / 2 >= i_time )
752 if( i_ep >= p_ep_map->i_ep )
758 return p_ep_map->p_ep[i_ep].i_packet;
762 * Retreive the current time using current EP + ATC delta
764 static int64_t GetTime( demux_t *p_demux )
766 demux_sys_t *p_sys = p_demux->p_sys;
767 const int i_mpls = p_demux->info.i_title;
769 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
770 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[p_sys->i_play_item];
772 const bd_clpi_t *p_clpi = p_sys->p_clpi;
773 if( !p_clpi || p_clpi->i_ep_map <= 0 )
777 const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
778 if( p_sys->i_clpi_ep < 0 || p_sys->i_clpi_ep >= p_ep_map->i_ep )
781 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
782 int64_t i_time = p_ep->i_pts / 2 - p_item->i_in_time +
783 ( p_sys->i_atc_current - p_sys->i_atc_initial ) / 300 / 2;
785 for( int j = 0; j < p_sys->i_play_item; j++ )
787 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[j];
788 i_time += ( p_item->i_out_time - p_item->i_in_time );
791 return i_time * CLOCK_FREQ / BD_45KHZ;
794 static double GetPosition( demux_t *p_demux )
796 demux_sys_t *p_sys = p_demux->p_sys;
798 const int64_t i_time = GetTime( p_demux );
799 const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
801 if( p_title->i_length <= 0 )
804 return (double)i_time / p_title->i_length;
807 static int SetTime( demux_t *p_demux, int64_t i_time )
809 demux_sys_t *p_sys = p_demux->p_sys;
810 const int i_mpls = p_demux->info.i_title;
811 const input_title_t *p_title = p_sys->pp_title[i_mpls];
812 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
814 /* Find the play item */
816 int64_t i_play_item_time = 0;
817 for( i_item = 0; i_item < p_mpls->i_play_item; i_item++ )
819 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i_item];
820 const int64_t i_duration = ( p_item->i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
822 if( i_time >= i_play_item_time && i_time < i_play_item_time + i_duration )
825 i_play_item_time += i_duration;
828 if( i_item >= p_mpls->i_play_item )
831 if( SetPlayItem( p_demux, i_mpls, i_item ) )
835 /* Find the right entry point */
836 if( p_sys->p_clpi->i_ep_map <= 0 )
839 const bd_clpi_ep_map_t *p_ep_map = &p_sys->p_clpi->p_ep_map[0];
840 if( p_ep_map->i_ep <= 0 )
843 int64_t i_next_display_date = -1;
844 for( ; p_sys->i_clpi_ep+1 < p_ep_map->i_ep; p_sys->i_clpi_ep++ )
846 const bd_clpi_ep_t *p_next = &p_ep_map->p_ep[p_sys->i_clpi_ep+1];
847 const int64_t i_next_time = i_play_item_time + ( ( p_next->i_pts / 2 - p_mpls->p_play_item[i_item].i_in_time ) * CLOCK_FREQ / BD_45KHZ );
849 if( i_next_time > i_time )
851 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
852 const int64_t i_ep_time = i_play_item_time + ( ( p_ep->i_pts / 2 - p_mpls->p_play_item[i_item].i_in_time ) * CLOCK_FREQ / BD_45KHZ );
855 i_next_display_date = p_ep->i_pts * CLOCK_FREQ / 90000 + ( i_time - i_ep_time );
860 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
861 p_sys->i_packet_start =
862 p_sys->i_packet = p_ep->i_packet;
864 if( i_next_display_date >= 0 )
865 es_out_Control( p_demux->out, ES_OUT_SET_NEXT_DISPLAY_TIME, i_next_display_date );
868 /* Update seekpoint */
869 for( p_demux->info.i_seekpoint = 0; p_demux->info.i_seekpoint+1 < p_title->i_seekpoint; p_demux->info.i_seekpoint++ )
871 const seekpoint_t *p_seekpoint = p_title->seekpoint[p_demux->info.i_seekpoint+1];
872 if( p_seekpoint->i_time_offset > i_time )
875 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
879 static int SetPosition( demux_t *p_demux, double f_position )
881 demux_sys_t *p_sys = p_demux->p_sys;
882 const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
884 if( p_title->i_length <= 0 )
887 return SetTime( p_demux, f_position * p_title->i_length );
890 /*****************************************************************************
892 *****************************************************************************/
893 static int64_t GetMplsUniqueDuration( const bd_mpls_t *p_mpls )
895 int64_t i_length = 0;
897 for( int i = 0; i < p_mpls->i_play_item; i++ )
899 const bd_mpls_play_item_t *p_item0 = &p_mpls->p_play_item[i];
901 for( j = i+1; j < p_mpls->i_play_item; j++ )
903 const bd_mpls_play_item_t *p_item1 = &p_mpls->p_play_item[j];
904 if( p_item0->clpi.i_id == p_item1->clpi.i_id &&
905 p_item0->clpi.i_stc_id == p_item1->clpi.i_stc_id &&
906 p_item0->i_in_time == p_item1->i_in_time &&
907 p_item0->i_out_time == p_item1->i_out_time )
910 if( j >= p_mpls->i_play_item )
911 i_length += p_item0->i_out_time - p_item0->i_in_time;
915 static int SortMpls( const void *a, const void *b )
917 const bd_mpls_t * const *pp_mpls_a = a;
918 const bd_mpls_t * const *pp_mpls_b = b;
920 const int64_t i_length_a = GetMplsUniqueDuration( *pp_mpls_a );
921 const int64_t i_length_b = GetMplsUniqueDuration( *pp_mpls_b );
923 if( i_length_a == i_length_b )
925 return i_length_a < i_length_b ? 1 : -1;
928 static void ReorderPlaylist( demux_t *p_demux )
930 demux_sys_t *p_sys = p_demux->p_sys;
931 qsort( p_sys->pp_mpls, p_sys->i_mpls, sizeof(*p_sys->pp_mpls), SortMpls );
933 /*****************************************************************************
935 *****************************************************************************/
936 static int CheckFileList( const char *psz_base, const char *ppsz_name[] )
938 for( int i = 0; ppsz_name[i] != NULL ; i++ )
943 if( asprintf( &psz_tmp, "%s/%s", psz_base, ppsz_name[i] ) < 0 )
946 bool b_ok = vlc_stat( psz_tmp, &s ) == 0 && S_ISREG( s.st_mode );
955 static char *FindPathBase( const char *psz_path, bool *pb_shortname )
961 char *psz_base = strdup( psz_path );
966 while( *psz_base && psz_base[strlen(psz_base)-1] == '/' )
967 psz_base[strlen(psz_base)-1] = '\0';
970 if( vlc_stat( psz_base, &s ) || !S_ISDIR( s.st_mode ) )
974 if( asprintf( &psz_tmp, "%s/BDMV", psz_base ) < 0 )
976 if( !vlc_stat( psz_tmp, &s ) && S_ISDIR( s.st_mode ) )
986 /* Check presence of mandatory files */
987 static const char *ppsz_name_long[] = {
992 static const char *ppsz_name_short[] = {
997 *pb_shortname = false;
998 if( CheckFileList( psz_base, ppsz_name_long ) )
1000 if( CheckFileList( psz_base, ppsz_name_short ) )
1002 *pb_shortname = true;
1012 static block_t *LoadBlock( demux_t *p_demux, const char *psz_name )
1014 stream_t *s = stream_UrlNew( p_demux, psz_name );
1018 const int64_t i_size = stream_Size( s );
1019 block_t *p_block = NULL;
1021 if( i_size > 0 && i_size < INT_MAX )
1022 p_block = stream_Block( s, i_size );
1030 static int FilterMplsLong( const char *psz_name )
1032 return strlen( psz_name ) == strlen( "xxxxx.mpls" ) &&
1033 !strcmp( &psz_name[5], ".mpls" );
1035 static int FilterMplsShort( const char *psz_name )
1037 return strlen( psz_name ) == strlen( "xxxxx.MPL" ) &&
1038 !strcmp( &psz_name[5], ".MPL" );
1041 static void LoadMpls( demux_t *p_demux, const char *psz_name, int i_id )
1043 demux_sys_t *p_sys = p_demux->p_sys;
1045 #if defined(BD_DEBUG)
1046 msg_Err( p_demux, "Loading %s", psz_name );
1049 block_t *p_block = LoadBlock( p_demux, psz_name );
1054 bd_mpls_t *p_mpls = malloc( sizeof(*p_mpls) );
1060 bs_init( &s, p_block->p_buffer, p_block->i_buffer );
1062 if( bd_mpls_Parse( p_mpls, &s, i_id ) )
1065 #if defined(BD_DEBUG)
1066 msg_Err( p_demux, "MPLS: id=%d", p_mpls->i_id );
1067 msg_Err( p_demux, "MPLS: play_item=%d sub_path=%d",
1068 p_mpls->i_play_item, p_mpls->i_sub_path );
1070 for( int i = 0; i < p_mpls->i_play_item; i++ )
1072 bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i];
1074 msg_Err( p_demux, "PLAY_ITEM[%d] connection=%d in=%d out=%d still=%d(%d)",
1075 i, p_item->i_connection,
1076 (int)p_item->i_in_time, (int)p_item->i_out_time,
1077 p_item->i_still, p_item->i_still_time );
1078 msg_Err( p_demux, " clpi_default: id=%d stc_id=%d",
1079 p_item->clpi.i_id, p_item->clpi.i_stc_id );
1080 for( int j = 0; j < p_item->i_clpi; j++ )
1081 msg_Err( p_demux, " clpi[%d]: id=%d stc_id=%d",
1082 j, p_item->p_clpi[j].i_id, p_item->p_clpi[j].i_stc_id );
1083 for( int j = 0; j < p_item->i_stream; j++ )
1084 msg_Err( p_demux, " stream[%d]: type=%d class=%d stream_type=0x%x lang=%s charset=%d",
1086 p_item->p_stream[j].i_type,
1087 p_item->p_stream[j].i_class,
1088 p_item->p_stream[j].i_stream_type,
1089 p_item->p_stream[j].psz_language,
1090 p_item->p_stream[j].i_charset );
1093 for( int i = 0; i < p_mpls->i_sub_path; i++ )
1095 bd_mpls_sub_path_t *p_sub = &p_mpls->p_sub_path[i];
1097 msg_Err( p_demux, "SUB_PATH[%d] type=%d repeat=%d item=%d",
1098 i, p_sub->i_type, p_sub->b_repeat, p_sub->i_item );
1101 for( int i = 0; i < p_mpls->i_mark; i++ )
1103 bd_mpls_mark_t *p_mark = &p_mpls->p_mark[i];
1105 msg_Err( p_demux, "M[%d] t=%d play_item_id=%d time=%d entry_es_pid=%d",
1106 i, p_mark->i_type, p_mark->i_play_item_id, (int)p_mark->i_time, p_mark->i_entry_es_pid );
1111 TAB_APPEND( p_sys->i_mpls, p_sys->pp_mpls, p_mpls );
1114 block_Release( p_block );
1118 msg_Err( p_demux, "Failed loading %s", psz_name );
1120 block_Release( p_block );
1124 static int FilterClpiLong( const char *psz_name )
1126 return strlen( psz_name ) == strlen( "xxxxx.clpi" ) &&
1127 !strcmp( &psz_name[5], ".clpi" );
1129 static int FilterClpiShort( const char *psz_name )
1131 return strlen( psz_name ) == strlen( "xxxxx.CPI" ) &&
1132 !strcmp( &psz_name[5], ".CPI" );
1135 static void LoadClpi( demux_t *p_demux, const char *psz_name, int i_id )
1137 demux_sys_t *p_sys = p_demux->p_sys;
1139 #if defined(BD_DEBUG)
1140 msg_Err( p_demux, "Loading %s", psz_name );
1143 block_t *p_block = LoadBlock( p_demux, psz_name );
1148 bd_clpi_t *p_clpi = malloc( sizeof(*p_clpi) );
1154 bs_init( &s, p_block->p_buffer, p_block->i_buffer );
1156 if( bd_clpi_Parse( p_clpi, &s, i_id ) )
1159 #if defined(BD_DEBUG)
1160 msg_Err( p_demux, "CLPI: id=%d", p_clpi->i_id );
1161 msg_Err( p_demux, "CLPI: STC=%d", p_clpi->i_stc );
1162 for( int i = 0; i < p_clpi->i_stc; i++ )
1163 msg_Err( p_demux, " STC[%d] pcr_pid=%d packet=%d start=%d end=%d",
1164 i, p_clpi->p_stc[i].i_pcr_pid, (int)p_clpi->p_stc[i].i_packet,
1165 (int)p_clpi->p_stc[i].i_start, (int)p_clpi->p_stc[i].i_end );
1166 msg_Err( p_demux, "CLPI: Stream=%d", p_clpi->i_stream );
1167 for( int i = 0; i < p_clpi->i_stream; i++ )
1168 msg_Err( p_demux, " Stream[%d] pid=%d type=0x%x",
1169 i, p_clpi->p_stream[i].i_pid, p_clpi->p_stream[i].i_type );
1170 msg_Err( p_demux, "CLPI: Ep Map=%d", p_clpi->i_ep_map );
1171 for( int i = 0; i < p_clpi->i_ep_map; i++ )
1173 const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[i];
1174 msg_Err( p_demux, " Ep Map[%d] pid=%d type=0x%x entry_point=%d",
1175 i, p_ep_map->i_pid, p_ep_map->i_type, p_ep_map->i_ep );
1176 for( int j = 0; j < p_ep_map->i_ep; j++ )
1178 msg_Err( p_demux, " Ep[%d] packet=%d pts=%d",
1179 j, (int)p_ep_map->p_ep[j].i_packet, (int)p_ep_map->p_ep[j].i_pts );
1185 TAB_APPEND( p_sys->i_clpi, p_sys->pp_clpi, p_clpi );
1188 block_Release( p_block );
1192 msg_Err( p_demux, "Failed loading %s", psz_name );
1194 block_Release( p_block );
1198 static int ScanSort( const char **ppsz_a, const char **ppsz_b )
1200 return strcmp( *ppsz_a, *ppsz_b );
1203 static int Load( demux_t *p_demux,
1204 const char *psz_dir,
1205 int (*pf_filter)( const char * ),
1206 void (*pf_load)( demux_t *p_demux, const char *psz_name, int i_id ) )
1209 if( asprintf( &psz_playlist, "%s/%s", p_demux->p_sys->psz_base, psz_dir ) < 0 )
1210 return VLC_EGENERIC;
1214 int i_list = vlc_scandir( psz_playlist, &ppsz_list, pf_filter, ScanSort );
1216 for( int i = 0; i < i_list; i++ )
1218 char *psz_file = ppsz_list[i];
1223 if( asprintf( &psz_name, "%s/%s/%s", p_demux->p_sys->psz_base, psz_dir, psz_file ) >= 0)
1225 const int i_id = strtol( psz_file, NULL, 10 );
1226 pf_load( p_demux, psz_name, i_id );
1233 free( psz_playlist );
1237 static int LoadPlaylist( demux_t *p_demux )
1239 return Load( p_demux, "PLAYLIST",
1240 p_demux->p_sys->b_shortname ? FilterMplsShort : FilterMplsLong, LoadMpls );
1242 static int LoadClip( demux_t *p_demux )
1244 return Load( p_demux, "CLIPINF",
1245 p_demux->p_sys->b_shortname ? FilterClpiShort : FilterClpiLong, LoadClpi );
1254 static es_out_id_t *EsOutAdd( es_out_t *p_out, const es_format_t *p_fmt )
1256 demux_t *p_demux = p_out->p_sys->p_demux;
1257 const bd_mpls_t *p_mpls = p_demux->p_sys->pp_mpls[p_demux->info.i_title];
1258 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[p_demux->p_sys->i_play_item];
1262 es_format_Copy( &fmt, p_fmt );
1263 fmt.i_priority = -2;
1265 for( int i = 0; i < p_item->i_stream; i++ )
1267 const bd_mpls_stream_t *p_stream = &p_item->p_stream[i];
1268 if( p_stream->i_type != BD_MPLS_STREAM_TYPE_PLAY_ITEM ||
1269 p_stream->play_item.i_pid != fmt.i_id )
1272 /* TODO improved priority for higher quality stream ?
1273 * if so, extending stream attributes parsing might be a good idea
1278 /* Useless, and beside not sure it is the right thing to do */
1279 free( fmt.psz_description );
1280 switch( p_stream->i_class )
1282 case BD_MPLS_STREAM_CLASS_SECONDARY_AUDIO:
1283 fmt.psz_description = strdup( "Secondary audio" );
1286 fmt.psz_description = NULL;
1291 //msg_Err( p_demux, "Found ref for stream pid %d", fmt.i_id );
1292 if( *p_stream->psz_language && ( !fmt.psz_language || *fmt.psz_language == '\0' ) )
1294 free( fmt.psz_language );
1295 fmt.psz_language = strdup( p_stream->psz_language );
1297 switch( p_stream->i_charset )
1299 /* TODO add all values */
1305 if( fmt.i_priority < 0 )
1306 msg_Dbg( p_demux, "Hidding one stream (pid=%d)", fmt.i_id );
1309 es_out_id_t *p_es = es_out_Add( p_demux->out, &fmt );
1311 es_format_Clean( &fmt );
1314 static int EsOutSend( es_out_t *p_out, es_out_id_t *p_es, block_t *p_block )
1316 return es_out_Send( p_out->p_sys->p_demux->out, p_es, p_block );
1318 static void EsOutDel( es_out_t *p_out, es_out_id_t *p_es )
1320 es_out_Del( p_out->p_sys->p_demux->out, p_es );
1322 static int EsOutControl( es_out_t *p_out, int i_query, va_list args )
1324 return es_out_vaControl( p_out->p_sys->p_demux->out, i_query, args );
1326 static void EsOutDestroy( es_out_t *p_out )
1328 free( p_out->p_sys );
1332 static es_out_t *EsOutNew( demux_t *p_demux )
1334 es_out_t *p_out = malloc( sizeof(*p_out) );
1335 es_out_sys_t *p_sys;
1340 p_out->pf_add = EsOutAdd;
1341 p_out->pf_send = EsOutSend;
1342 p_out->pf_del = EsOutDel;
1343 p_out->pf_control = EsOutControl;
1344 p_out->pf_destroy = EsOutDestroy;
1346 p_out->p_sys = p_sys = malloc( sizeof(*p_sys) );
1352 p_sys->p_demux = p_demux;