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_file == NULL )
157 if( *p_demux->psz_access &&
158 strcmp( p_demux->psz_access, "bd" ) &&
159 strcmp( p_demux->psz_access, "file" ) )
164 char *psz_base = FindPathBase( p_demux->psz_file, &b_shortname );
168 msg_Dbg( p_demux, "Using path '%s'", psz_base );
170 /* Fill p_demux field */
171 p_demux->p_sys = p_sys = malloc( sizeof(*p_sys) );
174 p_sys->psz_base = psz_base;
175 p_sys->b_shortname = b_shortname;
176 TAB_INIT( p_sys->i_mpls, p_sys->pp_mpls );
177 TAB_INIT( p_sys->i_clpi, p_sys->pp_clpi );
178 TAB_INIT( p_sys->i_title, p_sys->pp_title );
179 p_demux->info.i_title = -1;
180 p_sys->p_clpi = NULL;
181 p_sys->i_clpi_ep = -1;
182 p_sys->p_parser = NULL;
183 p_sys->p_m2ts = NULL;
184 p_sys->i_play_item = -1;
185 p_sys->i_packet = -1;
186 p_sys->i_packet_start = -1;
187 p_sys->i_packet_stop = -1;
188 p_sys->i_packet_headers = -1;
189 p_sys->p_out = EsOutNew( p_demux );
193 p_demux->pf_control = Control;
194 p_demux->pf_demux = Demux;
196 /* Load all clip/playlist files */
198 LoadPlaylist( p_demux );
200 /* Reorder playlist to have the most significant first
201 * (as we don't have menu support, no idea how to find the main title */
202 ReorderPlaylist( p_demux );
204 /* Setup variables (for TS demuxer) */
205 var_Create( p_demux, "ts-es-id-pid", VLC_VAR_BOOL );
206 var_SetBool( p_demux, "ts-es-id-pid", true );
209 InitTitles( p_demux );
210 if( SetTitle( p_demux, 0 ) )
216 Close( VLC_OBJECT(p_demux) );
220 /*****************************************************************************
222 *****************************************************************************/
223 static void Close( vlc_object_t *p_this )
225 demux_t *p_demux = (demux_t*)p_this;
226 demux_sys_t *p_sys = p_demux->p_sys;
229 ClosePlayItem( p_demux );
232 es_out_Delete( p_sys->p_out );
235 for( int i = 0; i < p_sys->i_title; i++ )
236 vlc_input_title_Delete( p_sys->pp_title[i] );
237 TAB_CLEAN( p_sys->i_title, p_sys->pp_title );
240 for( int i = 0; i < p_sys->i_clpi; i++ )
242 bd_clpi_t *p_clpi = p_sys->pp_clpi[i];
244 bd_clpi_Clean( p_clpi );
247 TAB_CLEAN( p_sys->i_clpi, p_sys->pp_clpi );
250 for( int i = 0; i < p_sys->i_mpls; i++ )
252 bd_mpls_t *p_mpls = p_sys->pp_mpls[i];
254 bd_mpls_Clean( p_mpls );
257 TAB_CLEAN( p_sys->i_mpls, p_sys->pp_mpls );
259 free( p_sys->psz_base );
263 /*****************************************************************************
265 *****************************************************************************/
266 static int Control( demux_t *p_demux, int i_query, va_list args )
268 demux_sys_t *p_sys = p_demux->p_sys;
274 int64_t *pi_time = (int64_t*)va_arg( args, int64_t * );
275 *pi_time = GetTime( p_demux );
279 case DEMUX_GET_POSITION:
281 double *pf_position = (double*)va_arg( args, double * );
282 *pf_position = GetPosition( p_demux );
288 int64_t i_time = (int64_t)va_arg( args, int64_t );
289 return SetTime( p_demux, i_time );
291 case DEMUX_SET_POSITION:
293 double f_position = (double)va_arg( args, double );
294 return SetPosition( p_demux, f_position );
297 case DEMUX_GET_LENGTH:
299 int64_t *pi_length = (int64_t*)va_arg( args, int64_t * );
300 *pi_length = p_sys->pp_title[p_demux->info.i_title]->i_length;
304 /* Special for access_demux */
305 case DEMUX_CAN_PAUSE:
307 case DEMUX_CAN_CONTROL_PACE:
309 bool *pb_bool = (bool*)va_arg( args, bool * );
314 case DEMUX_SET_PAUSE_STATE:
317 case DEMUX_GET_TITLE_INFO:
319 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
320 int *pi_int = (int*)va_arg( args, int* );
321 int *pi_title_offset = (int*)va_arg( args, int* );
322 int *pi_chapter_offset = (int*)va_arg( args, int* );
325 *pi_title_offset = 0;
326 *pi_chapter_offset = 0;
328 /* Duplicate title infos */
329 *pi_int = p_sys->i_title;
330 *ppp_title = calloc( p_sys->i_title, sizeof(input_title_t **) );
331 for( int i = 0; i < p_sys->i_title; i++ )
332 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->pp_title[i] );
337 case DEMUX_SET_TITLE:
339 int i_title = (int)va_arg( args, int );
341 if( SetTitle( p_demux, i_title ) )
345 case DEMUX_SET_SEEKPOINT:
347 int i_chapter = (int)va_arg( args, int );
349 if( SetChapter( p_demux, i_chapter ) )
354 case DEMUX_GET_PTS_DELAY:
356 int64_t *pi_delay = (int64_t*)va_arg( args, int64_t * );
357 *pi_delay = var_GetInteger( p_demux, "bd-caching" ) * INT64_C(1000);
368 /*****************************************************************************
370 *****************************************************************************/
371 #define BD_TS_PACKET_HEADER (4)
372 #define BD_TS_PACKET_SIZE (192)
373 static int Demux( demux_t *p_demux )
375 demux_sys_t *p_sys = p_demux->p_sys;
380 if( p_sys->i_packet == p_sys->i_packet_start )
382 stream_Seek( p_sys->p_m2ts, 0 );
384 block_t *p_block = stream_Block( p_sys->p_m2ts,
385 p_sys->i_packet_headers * (int64_t)BD_TS_PACKET_SIZE + BD_TS_PACKET_HEADER );
388 p_block->i_buffer -= BD_TS_PACKET_HEADER;
389 p_block->p_buffer += BD_TS_PACKET_HEADER;
390 stream_DemuxSend( p_sys->p_parser, p_block );
393 stream_Seek( p_sys->p_m2ts, p_sys->i_packet_start * (int64_t)BD_TS_PACKET_SIZE );
397 const int i_packets = __MIN( 5, p_sys->i_packet_stop - p_sys->i_packet );
400 const int i_title = p_demux->info.i_title;
401 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_title];
403 if( p_sys->i_play_item < p_mpls->i_play_item )
405 if( !SetPlayItem( p_demux, i_title, p_sys->i_play_item + 1 ) )
407 msg_Warn( p_demux, "Failed to switch to the next play item" );
411 if( SetTitle( p_demux, i_title + 1 ) )
417 * we ensure that the TS packet start at the begining of the buffer,
418 * it ensure proper TS parsing */
419 block_t *p_block = block_New( p_demux, i_packets * BD_TS_PACKET_SIZE + BD_TS_PACKET_HEADER );
423 const int i_read = stream_Read( p_sys->p_m2ts, p_block->p_buffer, p_block->i_buffer - BD_TS_PACKET_HEADER );
426 msg_Err( p_demux, "Error reading current title" );
432 const int64_t i_atc = GetDWBE( p_block->p_buffer ) & ( (1 << 30) - 1 );
434 if( i_atc < p_sys->i_atc_last )
435 p_sys->i_atc_wrap += 1 << 30;
436 p_sys->i_atc_last = i_atc;
438 if( p_sys->i_atc_initial < 0 )
439 p_sys->i_atc_initial = i_atc + p_sys->i_atc_wrap;
441 p_sys->i_atc_current = i_atc + p_sys->i_atc_wrap;
444 p_block->i_buffer = i_read;
445 p_block->p_buffer += BD_TS_PACKET_HEADER;
446 stream_DemuxSend( p_sys->p_parser, p_block );
448 p_sys->i_packet += i_read / BD_TS_PACKET_SIZE;
451 if( p_sys->p_clpi->i_ep_map > 0 )
453 const int i_old_clpi_ep = p_sys->i_clpi_ep;
455 const bd_clpi_ep_map_t *p_ep_map = &p_sys->p_clpi->p_ep_map[0];
456 for( ; p_sys->i_clpi_ep+1 < p_ep_map->i_ep; p_sys->i_clpi_ep++ )
458 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep+1];
460 if( p_ep->i_packet > p_sys->i_packet )
463 if( i_old_clpi_ep != p_sys->i_clpi_ep )
465 /* We have changed of EP */
466 p_sys->i_atc_initial = p_sys->i_atc_current; /* FIXME not exact */
468 /* Update seekpoint */
469 const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
470 const int64_t i_time = GetTime( p_demux );
472 for( ; p_demux->info.i_seekpoint+1 < p_title->i_seekpoint; p_demux->info.i_seekpoint++ )
474 const seekpoint_t *p_seekpoint = p_title->seekpoint[p_demux->info.i_seekpoint+1];
475 if( p_seekpoint->i_time_offset > i_time )
477 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
484 /*****************************************************************************
486 *****************************************************************************/
487 #define BD_45KHZ INT64_C(45000)
488 static void InitTitles( demux_t *p_demux )
490 demux_sys_t *p_sys = p_demux->p_sys;
493 for( int i = 0; i < p_sys->i_mpls; i++ )
495 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i];
497 input_title_t *t = vlc_input_title_New();
503 for( int j = 0; j < p_mpls->i_play_item; j++ )
505 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[j];
507 t->i_length += ( p_item->i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
512 char psz_length[MSTRTIME_MAX_SIZE];
513 msg_Warn( p_demux, "TITLE[%d] %s", i, secstotimestr( psz_length, t->i_length / CLOCK_FREQ ) );
518 for( int j = 0; j < p_mpls->i_mark; j++ )
520 bd_mpls_mark_t *p_mark = &p_mpls->p_mark[j];
522 if( p_mark->i_type == BD_MPLS_MARK_TYPE_BOOKMARK &&
523 p_mark->i_play_item_id >= 0 && p_mark->i_play_item_id < p_mpls->i_play_item )
525 seekpoint_t *s = vlc_seekpoint_New();
529 for( int k = 0; k <= p_mark->i_play_item_id; k++ )
531 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[k];
534 if( k == p_mark->i_play_item_id )
535 i_out_time = p_mark->i_time;
537 i_out_time = p_item->i_out_time;
538 s->i_time_offset += ( i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
542 char psz_time[MSTRTIME_MAX_SIZE];
543 msg_Warn( p_demux, " SEEKPOINT[%d] %s", j, secstotimestr( psz_time, s->i_time_offset / CLOCK_FREQ ) );
546 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
549 if( t->i_seekpoint <= 0 )
551 seekpoint_t *s = vlc_seekpoint_New();
553 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
556 TAB_APPEND( p_sys->i_title, p_sys->pp_title, t );
559 static int SetTitle( demux_t *p_demux, int i_title )
561 demux_sys_t *p_sys = p_demux->p_sys;
563 if( i_title < 0 || i_title >= p_sys->i_title )
567 if( SetPlayItem( p_demux, i_title, 0 ) )
571 p_demux->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
572 p_demux->info.i_title = i_title;
573 p_demux->info.i_seekpoint = 0;
577 static int SetChapter( demux_t *p_demux, int i_chapter )
579 demux_sys_t *p_sys = p_demux->p_sys;
580 const int i_title = p_demux->info.i_title;
581 const input_title_t *p_title = p_sys->pp_title[i_title];
583 if( i_chapter < 0 || i_chapter > p_title->i_seekpoint )
586 if( SetTime( p_demux, p_title->seekpoint[i_chapter]->i_time_offset ) )
591 static int SetPlayItem( demux_t *p_demux, int i_mpls, int i_play_item )
593 demux_sys_t *p_sys = p_demux->p_sys;
595 /* FIXME TODO do not reopen everything when avoidable
596 * XXX becarefull that then the es_out wrapper need some sort of
600 const bool b_same_mpls = i_mpls == p_demux->info.i_title;
601 //const bool b_same_play_item = b_same_mpls &&
602 // i_play_item == p_sys->i_play_item;
605 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
608 if( i_play_item < 0 || i_play_item >= p_mpls->i_play_item )
611 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i_play_item];
612 const bd_mpls_clpi_t *p_mpls_clpi = &p_item->clpi;
614 const bd_clpi_t *p_clpi = NULL;
615 for( int i_clpi = 0; i_clpi < p_sys->i_clpi && !p_clpi; i_clpi++ )
617 if( p_sys->pp_clpi[i_clpi]->i_id == p_mpls_clpi->i_id )
618 p_clpi = p_sys->pp_clpi[i_clpi];
621 const bool b_same_clpi = b_same_mpls && p_sys->p_clpi->i_id == p_clpi->i_id;
622 stream_t *p_m2ts = NULL;
626 if( asprintf( &psz_m2ts, "%s/STREAM/%05d.%s",
627 p_sys->psz_base, p_mpls_clpi->i_id, p_sys->b_shortname ? "MTS" : "m2ts" ) < 0 )
630 p_m2ts = stream_UrlNew( p_demux, psz_m2ts );
633 msg_Err( p_demux, "Failed to open %s", psz_m2ts );
640 /* TODO avoid reopenning the parser when unneeded.
641 * - b_same_play_item is too strict, we should check the play_items connection.
642 * - a way to completely flush the demuxer is also needed !
644 //const bool b_same_parser = b_same_play_item && false;
645 stream_t *p_parser = stream_DemuxNew( p_demux, "ts", p_sys->p_out );
648 msg_Err( p_demux, "Failed to create TS demuxer" );
650 stream_Delete( p_m2ts );
657 msg_Dbg( p_demux, "Reusing stream file" );
658 p_m2ts = p_sys->p_m2ts;
659 p_sys->p_m2ts = NULL;
663 ClosePlayItem( p_demux );
666 p_sys->p_clpi = p_clpi;
667 p_sys->p_parser = p_parser;
668 p_sys->p_m2ts = p_m2ts;
669 p_sys->i_play_item = i_play_item;
671 p_sys->i_packet_start = GetClpiPacket( p_demux, &p_sys->i_clpi_ep, p_mpls_clpi, p_item->i_in_time );
672 if( p_sys->i_packet_start < 0 )
674 p_sys->i_packet_start = 0;
675 p_sys->i_clpi_ep = 0;
678 p_sys->i_packet_stop = GetClpiPacket( p_demux, NULL, p_mpls_clpi, p_item->i_out_time );
679 if( p_sys->i_packet_stop < 0 )
680 p_sys->i_packet_stop = stream_Size( p_m2ts ) / BD_TS_PACKET_SIZE;
681 p_sys->i_packet = p_sys->i_packet_start;
683 /* This is a hack to detect the number of packet to send before any data
684 * to have the PAT/PMT. I have no idea if it is the right, but seems to work.
685 * I used a limits of 10 packets, sufficient if it is really only headers */
686 p_sys->i_packet_headers = 0;
687 if( p_clpi->i_ep_map > 0 )
689 const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
690 if( p_ep_map->i_ep > 0 )
691 p_sys->i_packet_headers = __MIN( p_ep_map->p_ep[0].i_packet, 10 );
694 p_sys->i_atc_initial = -1;
695 p_sys->i_atc_current = -1;
696 p_sys->i_atc_last = -1;
697 p_sys->i_atc_wrap = 0;
701 static void ClosePlayItem( demux_t *p_demux )
703 demux_sys_t *p_sys = p_demux->p_sys;
706 stream_Delete( p_sys->p_m2ts );
707 if( p_sys->p_parser )
708 stream_Delete( p_sys->p_parser );
710 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
713 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 */ )
715 demux_sys_t *p_sys = p_demux->p_sys;
717 const bd_clpi_t *p_clpi = p_sys->p_clpi;
720 if( p_clpi->i_ep_map <= 0 )
722 const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
724 if( p_mpls_clpi->i_stc_id < 0 || p_mpls_clpi->i_stc_id >= p_clpi->i_stc )
727 const bd_clpi_stc_t *p_stc = &p_clpi->p_stc[p_mpls_clpi->i_stc_id];
729 /* Not sure it is right */
730 if( i_time < p_stc->i_start || i_time > p_stc->i_end )
734 const int64_t i_packet = p_stc->i_packet;
736 for( i_ep = 0; i_ep < p_ep_map->i_ep; i_ep++ )
738 if( p_ep_map->p_ep[i_ep].i_packet >= i_packet )
741 if( i_ep >= p_ep_map->i_ep )
744 for( ; i_ep < p_ep_map->i_ep; i_ep++ )
746 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[i_ep];
747 const bd_clpi_ep_t *p_ep_next = &p_ep_map->p_ep[i_ep+1];
749 if( i_ep+1 < p_ep_map->i_ep && p_ep_next->i_pts / 2 > i_time )
751 if( p_ep->i_pts / 2 >= i_time )
754 if( i_ep >= p_ep_map->i_ep )
760 return p_ep_map->p_ep[i_ep].i_packet;
764 * Retreive the current time using current EP + ATC delta
766 static int64_t GetTime( demux_t *p_demux )
768 demux_sys_t *p_sys = p_demux->p_sys;
769 const int i_mpls = p_demux->info.i_title;
771 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
772 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[p_sys->i_play_item];
774 const bd_clpi_t *p_clpi = p_sys->p_clpi;
775 if( !p_clpi || p_clpi->i_ep_map <= 0 )
779 const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
780 if( p_sys->i_clpi_ep < 0 || p_sys->i_clpi_ep >= p_ep_map->i_ep )
783 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
784 int64_t i_time = p_ep->i_pts / 2 - p_item->i_in_time +
785 ( p_sys->i_atc_current - p_sys->i_atc_initial ) / 300 / 2;
787 for( int j = 0; j < p_sys->i_play_item; j++ )
789 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[j];
790 i_time += ( p_item->i_out_time - p_item->i_in_time );
793 return i_time * CLOCK_FREQ / BD_45KHZ;
796 static double GetPosition( demux_t *p_demux )
798 demux_sys_t *p_sys = p_demux->p_sys;
800 const int64_t i_time = GetTime( p_demux );
801 const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
803 if( p_title->i_length <= 0 )
806 return (double)i_time / p_title->i_length;
809 static int SetTime( demux_t *p_demux, int64_t i_time )
811 demux_sys_t *p_sys = p_demux->p_sys;
812 const int i_mpls = p_demux->info.i_title;
813 const input_title_t *p_title = p_sys->pp_title[i_mpls];
814 const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
816 /* Find the play item */
818 int64_t i_play_item_time = 0;
819 for( i_item = 0; i_item < p_mpls->i_play_item; i_item++ )
821 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i_item];
822 const int64_t i_duration = ( p_item->i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
824 if( i_time >= i_play_item_time && i_time < i_play_item_time + i_duration )
827 i_play_item_time += i_duration;
830 if( i_item >= p_mpls->i_play_item )
833 if( SetPlayItem( p_demux, i_mpls, i_item ) )
837 /* Find the right entry point */
838 if( p_sys->p_clpi->i_ep_map <= 0 )
841 const bd_clpi_ep_map_t *p_ep_map = &p_sys->p_clpi->p_ep_map[0];
842 if( p_ep_map->i_ep <= 0 )
845 int64_t i_next_display_date = -1;
846 for( ; p_sys->i_clpi_ep+1 < p_ep_map->i_ep; p_sys->i_clpi_ep++ )
848 const bd_clpi_ep_t *p_next = &p_ep_map->p_ep[p_sys->i_clpi_ep+1];
849 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 );
851 if( i_next_time > i_time )
853 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
854 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 );
857 i_next_display_date = p_ep->i_pts * CLOCK_FREQ / 90000 + ( i_time - i_ep_time );
862 const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
863 p_sys->i_packet_start =
864 p_sys->i_packet = p_ep->i_packet;
866 if( i_next_display_date >= 0 )
867 es_out_Control( p_demux->out, ES_OUT_SET_NEXT_DISPLAY_TIME, i_next_display_date );
870 /* Update seekpoint */
871 for( p_demux->info.i_seekpoint = 0; p_demux->info.i_seekpoint+1 < p_title->i_seekpoint; p_demux->info.i_seekpoint++ )
873 const seekpoint_t *p_seekpoint = p_title->seekpoint[p_demux->info.i_seekpoint+1];
874 if( p_seekpoint->i_time_offset > i_time )
877 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
881 static int SetPosition( demux_t *p_demux, double f_position )
883 demux_sys_t *p_sys = p_demux->p_sys;
884 const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
886 if( p_title->i_length <= 0 )
889 return SetTime( p_demux, f_position * p_title->i_length );
892 /*****************************************************************************
894 *****************************************************************************/
895 static int64_t GetMplsUniqueDuration( const bd_mpls_t *p_mpls )
897 int64_t i_length = 0;
899 for( int i = 0; i < p_mpls->i_play_item; i++ )
901 const bd_mpls_play_item_t *p_item0 = &p_mpls->p_play_item[i];
903 for( j = i+1; j < p_mpls->i_play_item; j++ )
905 const bd_mpls_play_item_t *p_item1 = &p_mpls->p_play_item[j];
906 if( p_item0->clpi.i_id == p_item1->clpi.i_id &&
907 p_item0->clpi.i_stc_id == p_item1->clpi.i_stc_id &&
908 p_item0->i_in_time == p_item1->i_in_time &&
909 p_item0->i_out_time == p_item1->i_out_time )
912 if( j >= p_mpls->i_play_item )
913 i_length += p_item0->i_out_time - p_item0->i_in_time;
917 static int SortMpls( const void *a, const void *b )
919 const bd_mpls_t * const *pp_mpls_a = a;
920 const bd_mpls_t * const *pp_mpls_b = b;
922 const int64_t i_length_a = GetMplsUniqueDuration( *pp_mpls_a );
923 const int64_t i_length_b = GetMplsUniqueDuration( *pp_mpls_b );
925 if( i_length_a == i_length_b )
927 return i_length_a < i_length_b ? 1 : -1;
930 static void ReorderPlaylist( demux_t *p_demux )
932 demux_sys_t *p_sys = p_demux->p_sys;
933 qsort( p_sys->pp_mpls, p_sys->i_mpls, sizeof(*p_sys->pp_mpls), SortMpls );
935 /*****************************************************************************
937 *****************************************************************************/
938 static int CheckFileList( const char *psz_base, const char *ppsz_name[] )
940 for( int i = 0; ppsz_name[i] != NULL ; i++ )
945 if( asprintf( &psz_tmp, "%s/%s", psz_base, ppsz_name[i] ) < 0 )
948 bool b_ok = vlc_stat( psz_tmp, &s ) == 0 && S_ISREG( s.st_mode );
957 static char *FindPathBase( const char *psz_path, bool *pb_shortname )
963 char *psz_base = strdup( psz_path );
968 while( *psz_base && psz_base[strlen(psz_base)-1] == '/' )
969 psz_base[strlen(psz_base)-1] = '\0';
972 if( vlc_stat( psz_base, &s ) || !S_ISDIR( s.st_mode ) )
976 if( asprintf( &psz_tmp, "%s/BDMV", psz_base ) < 0 )
978 if( !vlc_stat( psz_tmp, &s ) && S_ISDIR( s.st_mode ) )
988 /* Check presence of mandatory files */
989 static const char *ppsz_name_long[] = {
994 static const char *ppsz_name_short[] = {
999 *pb_shortname = false;
1000 if( CheckFileList( psz_base, ppsz_name_long ) )
1002 if( CheckFileList( psz_base, ppsz_name_short ) )
1004 *pb_shortname = true;
1014 static block_t *LoadBlock( demux_t *p_demux, const char *psz_name )
1016 stream_t *s = stream_UrlNew( p_demux, psz_name );
1020 const int64_t i_size = stream_Size( s );
1021 block_t *p_block = NULL;
1023 if( i_size > 0 && i_size < INT_MAX )
1024 p_block = stream_Block( s, i_size );
1032 static int FilterMplsLong( const char *psz_name )
1034 return strlen( psz_name ) == strlen( "xxxxx.mpls" ) &&
1035 !strcmp( &psz_name[5], ".mpls" );
1037 static int FilterMplsShort( const char *psz_name )
1039 return strlen( psz_name ) == strlen( "xxxxx.MPL" ) &&
1040 !strcmp( &psz_name[5], ".MPL" );
1043 static void LoadMpls( demux_t *p_demux, const char *psz_name, int i_id )
1045 demux_sys_t *p_sys = p_demux->p_sys;
1047 #if defined(BD_DEBUG)
1048 msg_Err( p_demux, "Loading %s", psz_name );
1051 block_t *p_block = LoadBlock( p_demux, psz_name );
1056 bd_mpls_t *p_mpls = malloc( sizeof(*p_mpls) );
1062 bs_init( &s, p_block->p_buffer, p_block->i_buffer );
1064 if( bd_mpls_Parse( p_mpls, &s, i_id ) )
1067 #if defined(BD_DEBUG)
1068 msg_Err( p_demux, "MPLS: id=%d", p_mpls->i_id );
1069 msg_Err( p_demux, "MPLS: play_item=%d sub_path=%d",
1070 p_mpls->i_play_item, p_mpls->i_sub_path );
1072 for( int i = 0; i < p_mpls->i_play_item; i++ )
1074 bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i];
1076 msg_Err( p_demux, "PLAY_ITEM[%d] connection=%d in=%d out=%d still=%d(%d)",
1077 i, p_item->i_connection,
1078 (int)p_item->i_in_time, (int)p_item->i_out_time,
1079 p_item->i_still, p_item->i_still_time );
1080 msg_Err( p_demux, " clpi_default: id=%d stc_id=%d",
1081 p_item->clpi.i_id, p_item->clpi.i_stc_id );
1082 for( int j = 0; j < p_item->i_clpi; j++ )
1083 msg_Err( p_demux, " clpi[%d]: id=%d stc_id=%d",
1084 j, p_item->p_clpi[j].i_id, p_item->p_clpi[j].i_stc_id );
1085 for( int j = 0; j < p_item->i_stream; j++ )
1086 msg_Err( p_demux, " stream[%d]: type=%d class=%d stream_type=0x%x lang=%s charset=%d",
1088 p_item->p_stream[j].i_type,
1089 p_item->p_stream[j].i_class,
1090 p_item->p_stream[j].i_stream_type,
1091 p_item->p_stream[j].psz_language,
1092 p_item->p_stream[j].i_charset );
1095 for( int i = 0; i < p_mpls->i_sub_path; i++ )
1097 bd_mpls_sub_path_t *p_sub = &p_mpls->p_sub_path[i];
1099 msg_Err( p_demux, "SUB_PATH[%d] type=%d repeat=%d item=%d",
1100 i, p_sub->i_type, p_sub->b_repeat, p_sub->i_item );
1103 for( int i = 0; i < p_mpls->i_mark; i++ )
1105 bd_mpls_mark_t *p_mark = &p_mpls->p_mark[i];
1107 msg_Err( p_demux, "M[%d] t=%d play_item_id=%d time=%d entry_es_pid=%d",
1108 i, p_mark->i_type, p_mark->i_play_item_id, (int)p_mark->i_time, p_mark->i_entry_es_pid );
1113 TAB_APPEND( p_sys->i_mpls, p_sys->pp_mpls, p_mpls );
1116 block_Release( p_block );
1120 msg_Err( p_demux, "Failed loading %s", psz_name );
1122 block_Release( p_block );
1126 static int FilterClpiLong( const char *psz_name )
1128 return strlen( psz_name ) == strlen( "xxxxx.clpi" ) &&
1129 !strcmp( &psz_name[5], ".clpi" );
1131 static int FilterClpiShort( const char *psz_name )
1133 return strlen( psz_name ) == strlen( "xxxxx.CPI" ) &&
1134 !strcmp( &psz_name[5], ".CPI" );
1137 static void LoadClpi( demux_t *p_demux, const char *psz_name, int i_id )
1139 demux_sys_t *p_sys = p_demux->p_sys;
1141 #if defined(BD_DEBUG)
1142 msg_Err( p_demux, "Loading %s", psz_name );
1145 block_t *p_block = LoadBlock( p_demux, psz_name );
1150 bd_clpi_t *p_clpi = malloc( sizeof(*p_clpi) );
1156 bs_init( &s, p_block->p_buffer, p_block->i_buffer );
1158 if( bd_clpi_Parse( p_clpi, &s, i_id ) )
1161 #if defined(BD_DEBUG)
1162 msg_Err( p_demux, "CLPI: id=%d", p_clpi->i_id );
1163 msg_Err( p_demux, "CLPI: STC=%d", p_clpi->i_stc );
1164 for( int i = 0; i < p_clpi->i_stc; i++ )
1165 msg_Err( p_demux, " STC[%d] pcr_pid=%d packet=%d start=%d end=%d",
1166 i, p_clpi->p_stc[i].i_pcr_pid, (int)p_clpi->p_stc[i].i_packet,
1167 (int)p_clpi->p_stc[i].i_start, (int)p_clpi->p_stc[i].i_end );
1168 msg_Err( p_demux, "CLPI: Stream=%d", p_clpi->i_stream );
1169 for( int i = 0; i < p_clpi->i_stream; i++ )
1170 msg_Err( p_demux, " Stream[%d] pid=%d type=0x%x",
1171 i, p_clpi->p_stream[i].i_pid, p_clpi->p_stream[i].i_type );
1172 msg_Err( p_demux, "CLPI: Ep Map=%d", p_clpi->i_ep_map );
1173 for( int i = 0; i < p_clpi->i_ep_map; i++ )
1175 const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[i];
1176 msg_Err( p_demux, " Ep Map[%d] pid=%d type=0x%x entry_point=%d",
1177 i, p_ep_map->i_pid, p_ep_map->i_type, p_ep_map->i_ep );
1178 for( int j = 0; j < p_ep_map->i_ep; j++ )
1180 msg_Err( p_demux, " Ep[%d] packet=%d pts=%d",
1181 j, (int)p_ep_map->p_ep[j].i_packet, (int)p_ep_map->p_ep[j].i_pts );
1187 TAB_APPEND( p_sys->i_clpi, p_sys->pp_clpi, p_clpi );
1190 block_Release( p_block );
1194 msg_Err( p_demux, "Failed loading %s", psz_name );
1196 block_Release( p_block );
1200 static int ScanSort( const char **ppsz_a, const char **ppsz_b )
1202 return strcmp( *ppsz_a, *ppsz_b );
1205 static int Load( demux_t *p_demux,
1206 const char *psz_dir,
1207 int (*pf_filter)( const char * ),
1208 void (*pf_load)( demux_t *p_demux, const char *psz_name, int i_id ) )
1211 if( asprintf( &psz_playlist, "%s/%s", p_demux->p_sys->psz_base, psz_dir ) < 0 )
1212 return VLC_EGENERIC;
1216 int i_list = vlc_scandir( psz_playlist, &ppsz_list, pf_filter, ScanSort );
1218 for( int i = 0; i < i_list; i++ )
1220 char *psz_file = ppsz_list[i];
1225 if( asprintf( &psz_name, "%s/%s/%s", p_demux->p_sys->psz_base, psz_dir, psz_file ) >= 0)
1227 const int i_id = strtol( psz_file, NULL, 10 );
1228 pf_load( p_demux, psz_name, i_id );
1235 free( psz_playlist );
1239 static int LoadPlaylist( demux_t *p_demux )
1241 return Load( p_demux, "PLAYLIST",
1242 p_demux->p_sys->b_shortname ? FilterMplsShort : FilterMplsLong, LoadMpls );
1244 static int LoadClip( demux_t *p_demux )
1246 return Load( p_demux, "CLIPINF",
1247 p_demux->p_sys->b_shortname ? FilterClpiShort : FilterClpiLong, LoadClpi );
1256 static es_out_id_t *EsOutAdd( es_out_t *p_out, const es_format_t *p_fmt )
1258 demux_t *p_demux = p_out->p_sys->p_demux;
1259 const bd_mpls_t *p_mpls = p_demux->p_sys->pp_mpls[p_demux->info.i_title];
1260 const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[p_demux->p_sys->i_play_item];
1264 es_format_Copy( &fmt, p_fmt );
1265 fmt.i_priority = -2;
1267 for( int i = 0; i < p_item->i_stream; i++ )
1269 const bd_mpls_stream_t *p_stream = &p_item->p_stream[i];
1270 if( p_stream->i_type != BD_MPLS_STREAM_TYPE_PLAY_ITEM ||
1271 p_stream->play_item.i_pid != fmt.i_id )
1274 /* TODO improved priority for higher quality stream ?
1275 * if so, extending stream attributes parsing might be a good idea
1280 /* Useless, and beside not sure it is the right thing to do */
1281 free( fmt.psz_description );
1282 switch( p_stream->i_class )
1284 case BD_MPLS_STREAM_CLASS_SECONDARY_AUDIO:
1285 fmt.psz_description = strdup( "Secondary audio" );
1288 fmt.psz_description = NULL;
1293 //msg_Err( p_demux, "Found ref for stream pid %d", fmt.i_id );
1294 if( *p_stream->psz_language && ( !fmt.psz_language || *fmt.psz_language == '\0' ) )
1296 free( fmt.psz_language );
1297 fmt.psz_language = strdup( p_stream->psz_language );
1299 switch( p_stream->i_charset )
1301 /* TODO add all values */
1307 if( fmt.i_priority < 0 )
1308 msg_Dbg( p_demux, "Hidding one stream (pid=%d)", fmt.i_id );
1311 es_out_id_t *p_es = es_out_Add( p_demux->out, &fmt );
1313 es_format_Clean( &fmt );
1316 static int EsOutSend( es_out_t *p_out, es_out_id_t *p_es, block_t *p_block )
1318 return es_out_Send( p_out->p_sys->p_demux->out, p_es, p_block );
1320 static void EsOutDel( es_out_t *p_out, es_out_id_t *p_es )
1322 es_out_Del( p_out->p_sys->p_demux->out, p_es );
1324 static int EsOutControl( es_out_t *p_out, int i_query, va_list args )
1326 return es_out_vaControl( p_out->p_sys->p_demux->out, i_query, args );
1328 static void EsOutDestroy( es_out_t *p_out )
1330 free( p_out->p_sys );
1334 static es_out_t *EsOutNew( demux_t *p_demux )
1336 es_out_t *p_out = malloc( sizeof(*p_out) );
1337 es_out_sys_t *p_sys;
1342 p_out->pf_add = EsOutAdd;
1343 p_out->pf_send = EsOutSend;
1344 p_out->pf_del = EsOutDel;
1345 p_out->pf_control = EsOutControl;
1346 p_out->pf_destroy = EsOutDestroy;
1348 p_out->p_sys = p_sys = malloc( sizeof(*p_sys) );
1354 p_sys->p_demux = p_demux;