Use pkg-config to check for dvdread (the .pc file exist for a long time).
[vlc.git] / modules / access / dvdread.c
1 /*****************************************************************************
2  * dvdread.c : DvdRead input module for vlc
3  *****************************************************************************
4  * Copyright (C) 2001-2006 the VideoLAN team
5  * $Id$
6  *
7  * Authors: St├ęphane Borel <stef@via.ecp.fr>
8  *          Gildas Bazin <gbazin@videolan.org>
9  *
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.
14  *
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.
19  *
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  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28
29 #ifdef HAVE_CONFIG_H
30 # include "config.h"
31 #endif
32
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
35 #include <vlc_input.h>
36 #include <vlc_access.h>
37 #include <vlc_charset.h>
38 #include <vlc_interface.h>
39 #include <vlc_dialog.h>
40
41 #include <vlc_iso_lang.h>
42
43 #include "../demux/ps.h"
44
45 #ifdef HAVE_UNISTD_H
46 #   include <unistd.h>
47 #endif
48
49 #include <sys/types.h>
50
51 #include <dvdread/dvd_reader.h>
52 #include <dvdread/ifo_types.h>
53 #include <dvdread/ifo_read.h>
54 #include <dvdread/nav_read.h>
55 #include <dvdread/nav_print.h>
56
57 #include <assert.h>
58
59 /*****************************************************************************
60  * Module descriptor
61  *****************************************************************************/
62 #define ANGLE_TEXT N_("DVD angle")
63 #define ANGLE_LONGTEXT N_( \
64     "Default DVD angle." )
65
66 #define CACHING_TEXT N_("Caching value in ms")
67 #define CACHING_LONGTEXT N_( \
68     "Caching value for DVDs. " \
69     "This value should be set in milliseconds." )
70
71 static int  Open ( vlc_object_t * );
72 static void Close( vlc_object_t * );
73
74 vlc_module_begin ()
75     set_shortname( N_("DVD without menus") )
76     set_description( N_("DVDRead Input (no menu support)") )
77     set_category( CAT_INPUT )
78     set_subcategory( SUBCAT_INPUT_ACCESS )
79     add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
80         ANGLE_LONGTEXT, false )
81     add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
82         CACHING_TEXT, CACHING_LONGTEXT, true )
83     add_obsolete_string( "dvdread-css-method" ) /* obsolete since 1.1.0 */
84     set_capability( "access_demux", 0 )
85     add_shortcut( "dvd", "dvdread", "dvdsimple" )
86     set_callbacks( Open, Close )
87 vlc_module_end ()
88
89 /* how many blocks DVDRead will read in each loop */
90 #define DVD_BLOCK_READ_ONCE 4
91
92 /*****************************************************************************
93  * Local prototypes
94  *****************************************************************************/
95
96 struct demux_sys_t
97 {
98     /* DVDRead state */
99     dvd_reader_t *p_dvdread;
100     dvd_file_t   *p_title;
101
102     ifo_handle_t *p_vmg_file;
103     ifo_handle_t *p_vts_file;
104
105     int i_title;
106     int i_chapter, i_chapters;
107     int i_angle, i_angles;
108
109     tt_srpt_t    *p_tt_srpt;
110     pgc_t        *p_cur_pgc;
111     dsi_t        dsi_pack;
112     int          i_ttn;
113
114     int i_pack_len;
115     int i_cur_block;
116     int i_next_vobu;
117
118     int i_mux_rate;
119
120     /* Current title start/end blocks */
121     int i_title_start_block;
122     int i_title_end_block;
123     int i_title_blocks;
124     int i_title_offset;
125     mtime_t i_title_cur_time;
126
127     int i_title_start_cell;
128     int i_title_end_cell;
129     int i_cur_cell;
130     int i_next_cell;
131     mtime_t i_cell_cur_time;
132     mtime_t i_cell_duration;
133
134     /* Track */
135     ps_track_t    tk[PS_TK_COUNT];
136
137     int           i_titles;
138     input_title_t **titles;
139
140     /* Video */
141     int i_sar_num;
142     int i_sar_den;
143
144     /* SPU */
145     uint32_t clut[16];
146 };
147
148 static int Control   ( demux_t *, int, va_list );
149 static int Demux     ( demux_t * );
150 static int DemuxBlock( demux_t *, uint8_t *, int );
151
152 static void DemuxTitles( demux_t *, int * );
153 static void ESNew( demux_t *, int, int );
154
155 static int  DvdReadSetArea  ( demux_t *, int, int, int );
156 static void DvdReadSeek     ( demux_t *, int );
157 static void DvdReadHandleDSI( demux_t *, uint8_t * );
158 static void DvdReadFindCell ( demux_t * );
159
160 /*****************************************************************************
161  * Open:
162  *****************************************************************************/
163 static int Open( vlc_object_t *p_this )
164 {
165     demux_t      *p_demux = (demux_t*)p_this;
166     demux_sys_t  *p_sys;
167     char         *psz_name;
168     dvd_reader_t *p_dvdread;
169     ifo_handle_t *p_vmg_file;
170
171     if( !p_demux->psz_file || !*p_demux->psz_file )
172     {
173         /* Only when selected */
174         if( !p_demux->psz_access || !*p_demux->psz_access )
175             return VLC_EGENERIC;
176
177         psz_name = var_CreateGetString( p_this, "dvd" );
178         if( !psz_name )
179         {
180             psz_name = strdup("");
181         }
182     }
183     else
184         psz_name = ToLocaleDup( p_demux->psz_file );
185
186 #ifdef WIN32
187     if( psz_name[0] && psz_name[1] == ':' &&
188         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
189 #endif
190
191     /* Open dvdread */
192     if( !(p_dvdread = DVDOpen( psz_name )) )
193     {
194         msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
195         dialog_Fatal( p_demux, _("Playback failure"),
196                         _("DVDRead could not open the disc \"%s\"."), psz_name );
197         free( psz_name );
198         return VLC_EGENERIC;
199     }
200     free( psz_name );
201
202     /* Ifo allocation & initialisation */
203     if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
204     {
205         msg_Warn( p_demux, "cannot open VMG info" );
206         return VLC_EGENERIC;
207     }
208     msg_Dbg( p_demux, "VMG opened" );
209
210     /* Fill p_demux field */
211     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
212
213     ps_track_init( p_sys->tk );
214     p_sys->i_sar_num = 0;
215     p_sys->i_sar_den = 0;
216     p_sys->i_title_cur_time = (mtime_t) 0;
217     p_sys->i_cell_cur_time = (mtime_t) 0;
218     p_sys->i_cell_duration = (mtime_t) 0;
219
220     p_sys->p_dvdread = p_dvdread;
221     p_sys->p_vmg_file = p_vmg_file;
222     p_sys->p_title = NULL;
223     p_sys->p_vts_file = NULL;
224
225     p_sys->i_title = p_sys->i_chapter = -1;
226     p_sys->i_mux_rate = 0;
227
228     p_sys->i_angle = var_CreateGetInteger( p_demux, "dvdread-angle" );
229     if( p_sys->i_angle <= 0 ) p_sys->i_angle = 1;
230
231     DemuxTitles( p_demux, &p_sys->i_angle );
232     if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
233     {
234         Close( p_this );
235         msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
236                  p_sys->i_angle );
237         return VLC_EGENERIC;
238     }
239
240     /* Update default_pts to a suitable value for dvdread access */
241     var_Create( p_demux, "dvdread-caching",
242                 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
243
244     return VLC_SUCCESS;
245 }
246
247 /*****************************************************************************
248  * Close:
249  *****************************************************************************/
250 static void Close( vlc_object_t *p_this )
251 {
252     demux_t     *p_demux = (demux_t*)p_this;
253     demux_sys_t *p_sys = p_demux->p_sys;
254     int i;
255
256     for( i = 0; i < PS_TK_COUNT; i++ )
257     {
258         ps_track_t *tk = &p_sys->tk[i];
259         if( tk->b_seen )
260         {
261             es_format_Clean( &tk->fmt );
262             if( tk->es ) es_out_Del( p_demux->out, tk->es );
263         }
264     }
265
266     /* Free the array of titles */
267     for( int i = 0; i < p_sys->i_titles; i++ )
268         vlc_input_title_Delete( p_sys->titles[i] );
269     TAB_CLEAN( p_sys->i_titles, p_sys->titles );
270
271     /* Close libdvdread */
272     if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
273     if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
274     if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
275     DVDClose( p_sys->p_dvdread );
276
277     free( p_sys );
278 }
279
280 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
281 {
282 /* Macro to convert Binary Coded Decimal to Decimal */
283 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
284
285     double f_fps, f_ms;
286     int64_t i_micro_second = 0;
287
288     if (still_time == 0 || still_time == 0xFF)
289     {
290         i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
291         i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
292         i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
293
294         switch((dtime->frame_u & 0xc0) >> 6)
295         {
296         case 1:
297             f_fps = 25.0;
298             break;
299         case 3:
300             f_fps = 29.97;
301             break;
302         default:
303             f_fps = 2500.0;
304             break;
305         }
306         f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
307         i_micro_second += (int64_t)(f_ms * 1000.0);
308     }
309     else
310     {
311         i_micro_second = still_time;
312         i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
313     }
314
315     return i_micro_second;
316 }
317
318 /*****************************************************************************
319  * Control:
320  *****************************************************************************/
321 static int Control( demux_t *p_demux, int i_query, va_list args )
322 {
323     demux_sys_t *p_sys = p_demux->p_sys;
324     double f, *pf;
325     bool *pb;
326     int64_t *pi64;
327     input_title_t ***ppp_title;
328     int *pi_int;
329     int i;
330
331     switch( i_query )
332     {
333         case DEMUX_GET_POSITION:
334         {
335             pf = (double*) va_arg( args, double* );
336
337             if( p_sys->i_title_blocks > 0 )
338                 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
339             else
340                 *pf = 0.0;
341
342             return VLC_SUCCESS;
343         }
344         case DEMUX_SET_POSITION:
345         {
346             f = (double)va_arg( args, double );
347
348             DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
349
350             return VLC_SUCCESS;
351         }
352         case DEMUX_GET_TIME:
353             pi64 = (int64_t*)va_arg( args, int64_t * );
354             if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
355             {
356                 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
357                         p_sys->i_title_blocks * p_sys->i_title_offset;
358                 return VLC_SUCCESS;
359             }
360             *pi64 = 0;
361             return VLC_EGENERIC;
362
363         case DEMUX_GET_LENGTH:
364             pi64 = (int64_t*)va_arg( args, int64_t * );
365             if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
366             {
367                 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
368                 return VLC_SUCCESS;
369             }
370             *pi64 = 0;
371             return VLC_EGENERIC;
372
373         /* Special for access_demux */
374         case DEMUX_CAN_PAUSE:
375         case DEMUX_CAN_SEEK:
376         case DEMUX_CAN_CONTROL_PACE:
377             /* TODO */
378             pb = (bool*)va_arg( args, bool * );
379             *pb = true;
380             return VLC_SUCCESS;
381
382         case DEMUX_SET_PAUSE_STATE:
383             return VLC_SUCCESS;
384
385         case DEMUX_GET_TITLE_INFO:
386             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
387             pi_int    = (int*)va_arg( args, int* );
388             *((int*)va_arg( args, int* )) = 1; /* Title offset */
389             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
390
391             /* Duplicate title infos */
392             *pi_int = p_sys->i_titles;
393             *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
394             for( i = 0; i < p_sys->i_titles; i++ )
395             {
396                 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
397             }
398             return VLC_SUCCESS;
399
400         case DEMUX_SET_TITLE:
401             i = (int)va_arg( args, int );
402             if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
403             {
404                 msg_Warn( p_demux, "cannot set title/chapter" );
405                 return VLC_EGENERIC;
406             }
407             p_demux->info.i_update |=
408                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
409             p_demux->info.i_title = i;
410             p_demux->info.i_seekpoint = 0;
411             return VLC_SUCCESS;
412
413         case DEMUX_SET_SEEKPOINT:
414             i = (int)va_arg( args, int );
415             if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
416             {
417                 msg_Warn( p_demux, "cannot set title/chapter" );
418                 return VLC_EGENERIC;
419             }
420             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
421             p_demux->info.i_seekpoint = i;
422             return VLC_SUCCESS;
423
424         case DEMUX_GET_PTS_DELAY:
425             pi64 = (int64_t*)va_arg( args, int64_t * );
426             *pi64 = var_GetInteger( p_demux, "dvdread-caching" )*1000;
427             return VLC_SUCCESS;
428
429         /* TODO implement others */
430         default:
431             return VLC_EGENERIC;
432     }
433 }
434
435 /*****************************************************************************
436  * Demux:
437  *****************************************************************************/
438 static int Demux( demux_t *p_demux )
439 {
440     demux_sys_t *p_sys = p_demux->p_sys;
441
442     uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
443     int i_blocks_once, i_read;
444     int i;
445
446     /*
447      * Playback by cell in this pgc, starting at the cell for our chapter.
448      */
449
450     /*
451      * Check end of pack, and select the following one
452      */
453     if( !p_sys->i_pack_len )
454     {
455         /* Read NAV packet */
456         if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
457                            1, p_buffer ) != 1 )
458         {
459             msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
460             dialog_Fatal( p_demux, _("Playback failure"),
461                           _("DVDRead could not read block %d."),
462                           p_sys->i_next_vobu );
463             return -1;
464         }
465
466         /* Basic check to be sure we don't have a empty title
467          * go to next title if so */
468         //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
469
470         /* Parse the contained dsi packet */
471         DvdReadHandleDSI( p_demux, p_buffer );
472
473         /* End of title */
474         if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
475         {
476             if( p_sys->i_title + 1 >= p_sys->i_titles )
477             {
478                 return 0; /* EOF */
479             }
480
481             DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
482         }
483
484         if( p_sys->i_pack_len >= 1024 )
485         {
486             msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
487                      "This shouldn't happen!", p_sys->i_pack_len );
488             return 0; /* EOF */
489         }
490
491         /* FIXME: Ugly kludge: we send the pack block to the input for it
492          * sometimes has a zero scr and restart the sync */
493         p_sys->i_cur_block++;
494         p_sys->i_title_offset++;
495
496         DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
497     }
498
499     if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
500     {
501         if( p_sys->i_title + 1 >= p_sys->i_titles )
502         {
503             return 0; /* EOF */
504         }
505
506         DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
507     }
508
509     /*
510      * Read actual data
511      */
512     i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
513     p_sys->i_pack_len -= i_blocks_once;
514
515     /* Reads from DVD */
516     i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
517                             i_blocks_once, p_buffer );
518     if( i_read != i_blocks_once )
519     {
520         msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
521                  i_read, i_blocks_once, p_sys->i_cur_block );
522         dialog_Fatal( p_demux, _("Playback failure"),
523                         _("DVDRead could not read %d/%d blocks at 0x%02x."),
524                         i_read, i_blocks_once, p_sys->i_cur_block );
525         return -1;
526     }
527
528     p_sys->i_cur_block += i_read;
529     p_sys->i_title_offset += i_read;
530
531 #if 0
532     msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
533              i_read, p_sys->i_pack_len, p_sys->i_cur_block );
534 #endif
535
536     for( i = 0; i < i_read; i++ )
537     {
538         DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
539                     DVD_VIDEO_LB_LEN );
540     }
541
542 #undef p_pgc
543
544     return 1;
545 }
546
547 /*****************************************************************************
548  * DemuxBlock: demux a given block
549  *****************************************************************************/
550 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
551 {
552     demux_sys_t *p_sys = p_demux->p_sys;
553     uint8_t     *p = pkt;
554
555     while( p && p < &pkt[i_pkt] )
556     {
557         block_t *p_pkt;
558         int i_size = &pkt[i_pkt] - p;
559
560         if( i_size < 6 )
561             break;
562  
563         i_size = ps_pkt_size( p, i_size );
564         if( i_size <= 0 )
565         {
566             break;
567         }
568
569         /* Create a block */
570         p_pkt = block_New( p_demux, i_size );
571         memcpy( p_pkt->p_buffer, p, i_size);
572
573         /* Parse it and send it */
574         switch( 0x100 | p[3] )
575         {
576         case 0x1b9:
577         case 0x1bb:
578         case 0x1bc:
579
580 #ifdef DVDREAD_DEBUG
581             if( p[3] == 0xbc )
582             {
583                 msg_Warn( p_demux, "received a PSM packet" );
584             }
585             else if( p[3] == 0xbb )
586             {
587                 msg_Warn( p_demux, "received a SYSTEM packet" );
588             }
589 #endif
590             block_Release( p_pkt );
591             break;
592
593         case 0x1ba:
594         {
595             int64_t i_scr;
596             int i_mux_rate;
597             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
598             {
599                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
600                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
601             }
602             block_Release( p_pkt );
603             break;
604         }
605         default:
606         {
607             int i_id = ps_pkt_id( p_pkt );
608             if( i_id >= 0xc0 )
609             {
610                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
611
612                 if( !tk->b_seen )
613                 {
614                     ESNew( p_demux, i_id, 0 );
615                 }
616                 if( tk->b_seen && tk->es &&
617                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
618                 {
619                     es_out_Send( p_demux->out, tk->es, p_pkt );
620                 }
621                 else
622                 {
623                     block_Release( p_pkt );
624                 }
625             }
626             else
627             {
628                 block_Release( p_pkt );
629             }
630             break;
631         }
632         }
633
634         p += i_size;
635     }
636
637     return VLC_SUCCESS;
638 }
639
640 /*****************************************************************************
641  * ESNew: register a new elementary stream
642  *****************************************************************************/
643 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
644 {
645     demux_sys_t *p_sys = p_demux->p_sys;
646     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
647     char psz_language[3];
648
649     if( tk->b_seen ) return;
650
651     if( ps_track_fill( tk, 0, i_id ) )
652     {
653         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
654         return;
655     }
656
657     psz_language[0] = psz_language[1] = psz_language[2] = 0;
658     if( i_lang && i_lang != 0xffff )
659     {
660         psz_language[0] = (i_lang >> 8)&0xff;
661         psz_language[1] = (i_lang     )&0xff;
662     }
663
664     /* Add a new ES */
665     if( tk->fmt.i_cat == VIDEO_ES )
666     {
667         tk->fmt.video.i_sar_num = p_sys->i_sar_num;
668         tk->fmt.video.i_sar_den = p_sys->i_sar_den;
669     }
670     else if( tk->fmt.i_cat == AUDIO_ES )
671     {
672         int i_audio = -1;
673         /* find the audio number PLEASE find another way */
674         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
675         {
676             i_audio = i_id&0x07;
677         }
678         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
679         {
680             i_audio = i_id&0xf;
681         }
682         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
683         {
684             i_audio = i_id&0x1f;
685         }
686         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
687         {
688             i_audio = i_id&0x1f;
689         }
690
691         if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
692     }
693     else if( tk->fmt.i_cat == SPU_ES )
694     {
695         /* Palette */
696         tk->fmt.subs.spu.palette[0] = 0xBeef;
697         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
698                 16 * sizeof( uint32_t ) );
699
700         if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
701     }
702
703     tk->es = es_out_Add( p_demux->out, &tk->fmt );
704     tk->b_seen = true;
705 }
706
707 /*****************************************************************************
708  * DvdReadSetArea: initialize input data for title x, chapter y.
709  * It should be called for each user navigation request.
710  *****************************************************************************
711  * Take care that i_title and i_chapter start from 0.
712  *****************************************************************************/
713 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
714                            int i_angle )
715 {
716     VLC_UNUSED( i_angle );
717
718     demux_sys_t *p_sys = p_demux->p_sys;
719     int pgc_id = 0, pgn = 0;
720     int i;
721
722 #define p_pgc p_sys->p_cur_pgc
723 #define p_vmg p_sys->p_vmg_file
724 #define p_vts p_sys->p_vts_file
725
726     if( i_title >= 0 && i_title < p_sys->i_titles &&
727         i_title != p_sys->i_title )
728     {
729         int i_start_cell, i_end_cell;
730
731         if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
732         if( p_vts != NULL ) ifoClose( p_vts );
733         p_sys->i_title = i_title;
734
735         /*
736          *  We have to load all title information
737          */
738         msg_Dbg( p_demux, "open VTS %d, for title %d",
739                  p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
740
741         /* Ifo vts */
742         if( !( p_vts = ifoOpen( p_sys->p_dvdread,
743                p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
744         {
745             msg_Err( p_demux, "fatal error in vts ifo" );
746             return VLC_EGENERIC;
747         }
748
749         /* Title position inside the selected vts */
750         p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
751
752         /* Find title start/end */
753         pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
754         pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
755         p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
756
757         p_sys->i_title_start_cell =
758             i_start_cell = p_pgc->program_map[pgn - 1] - 1;
759         p_sys->i_title_start_block =
760             p_pgc->cell_playback[i_start_cell].first_sector;
761
762         p_sys->i_title_end_cell =
763             i_end_cell = p_pgc->nr_of_cells - 1;
764         p_sys->i_title_end_block =
765             p_pgc->cell_playback[i_end_cell].last_sector;
766
767         p_sys->i_title_offset = 0;
768
769         p_sys->i_title_blocks = 0;
770         for( i = i_start_cell; i <= i_end_cell; i++ )
771         {
772             p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
773                 p_pgc->cell_playback[i].first_sector + 1;
774         }
775
776         msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
777                  "start %d end %d blocks: %d",
778                  i_title + 1, p_sys->i_ttn, pgc_id, pgn,
779                  p_sys->i_title_start_block, p_sys->i_title_end_block,
780                  p_sys->i_title_blocks );
781
782         /*
783          * Set properties for current chapter
784          */
785         p_sys->i_chapter = 0;
786         p_sys->i_chapters =
787             p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
788
789         pgc_id = p_vts->vts_ptt_srpt->title[
790                     p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
791         pgn = p_vts->vts_ptt_srpt->title[
792                     p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
793
794         p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
795         p_sys->i_pack_len = 0;
796         p_sys->i_next_cell =
797             p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
798         DvdReadFindCell( p_demux );
799
800         p_sys->i_next_vobu = p_sys->i_cur_block =
801             p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
802
803         /*
804          * Angle management
805          */
806         p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
807         if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
808
809         /*
810          * We've got enough info, time to open the title set data.
811          */
812         if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
813             p_vmg->tt_srpt->title[i_title].title_set_nr,
814             DVD_READ_TITLE_VOBS ) ) )
815         {
816             msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
817                      p_vmg->tt_srpt->title[i_title].title_set_nr );
818             return VLC_EGENERIC;
819         }
820
821         //IfoPrintTitle( p_demux );
822
823         /*
824          * Destroy obsolete ES by reinitializing program 0
825          * and find all ES in title with ifo data
826          */
827         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
828
829         for( i = 0; i < PS_TK_COUNT; i++ )
830         {
831             ps_track_t *tk = &p_sys->tk[i];
832             if( tk->b_seen )
833             {
834                 es_format_Clean( &tk->fmt );
835                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
836             }
837             tk->b_seen = false;
838         }
839
840         if( p_demux->info.i_title != i_title )
841         {
842             p_demux->info.i_update |=
843                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
844             p_demux->info.i_title = i_title;
845             p_demux->info.i_seekpoint = 0;
846         }
847
848         /* TODO: re-add angles */
849
850
851         ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
852         const video_attr_t *p_attr = &p_vts->vtsi_mat->vts_video_attr;
853         int i_video_height = p_attr->video_format != 0 ? 576 : 480;
854         int i_video_width;
855         switch( p_attr->picture_size )
856         {
857         case 0:
858             i_video_width = 720;
859             break;
860         case 1:
861             i_video_width = 704;
862             break;
863         case 2:
864             i_video_width = 352;
865             break;
866         default:
867         case 3:
868             i_video_width = 352;
869             i_video_height /= 2;
870             break;
871         }
872         switch( p_attr->display_aspect_ratio )
873         {
874         case 0:
875             p_sys->i_sar_num = 4 * i_video_height;
876             p_sys->i_sar_den = 3 * i_video_width;
877             break;
878         case 3:
879             p_sys->i_sar_num = 16 * i_video_height;
880             p_sys->i_sar_den =  9 * i_video_width;
881             break;
882         default:
883             p_sys->i_sar_num = 0;
884             p_sys->i_sar_den = 0;
885             break;
886         }
887
888 #define audio_control \
889     p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
890
891         /* Audio ES, in the order they appear in the .ifo */
892         for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
893         {
894             int i_position = 0;
895             uint16_t i_id;
896
897             //IfoPrintAudio( p_demux, i );
898
899             /* Audio channel is active if first byte is 0x80 */
900             if( audio_control & 0x8000 )
901             {
902                 i_position = ( audio_control & 0x7F00 ) >> 8;
903
904                 msg_Dbg( p_demux, "audio position  %d", i_position );
905                 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
906                 {
907                 case 0x00: /* A52 */
908                     i_id = (0x80 + i_position) | 0xbd00;
909                     break;
910                 case 0x02:
911                 case 0x03: /* MPEG audio */
912                     i_id = 0xc000 + i_position;
913                     break;
914                 case 0x04: /* LPCM */
915                     i_id = (0xa0 + i_position) | 0xbd00;
916                     break;
917                 case 0x06: /* DTS */
918                     i_id = (0x88 + i_position) | 0xbd00;
919                     break;
920                 default:
921                     i_id = 0;
922                     msg_Err( p_demux, "unknown audio type %.2x",
923                         p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
924                 }
925
926                 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
927                        vts_audio_attr[i - 1].lang_code );
928             }
929         }
930 #undef audio_control
931
932 #define spu_palette \
933     p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
934
935         memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
936
937 #define spu_control \
938     p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
939
940         /* Sub Picture ES */
941         for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
942         {
943             int i_position = 0;
944             uint16_t i_id;
945
946             //IfoPrintSpu( p_sys, i );
947             msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
948
949             if( spu_control & 0x80000000 )
950             {
951                 /*  there are several streams for one spu */
952                 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
953                 {
954                     /* 16:9 */
955                     switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
956                     {
957                     case 1: /* letterbox */
958                         i_position = spu_control & 0xff;
959                         break;
960                     case 2: /* pan&scan */
961                         i_position = ( spu_control >> 8 ) & 0xff;
962                         break;
963                     default: /* widescreen */
964                         i_position = ( spu_control >> 16 ) & 0xff;
965                         break;
966                     }
967                 }
968                 else
969                 {
970                     /* 4:3 */
971                     i_position = ( spu_control >> 24 ) & 0x7F;
972                 }
973
974                 i_id = (0x20 + i_position) | 0xbd00;
975
976                 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
977                        vts_subp_attr[i - 1].lang_code );
978             }
979         }
980 #undef spu_control
981
982     }
983     else if( i_title != -1 && i_title != p_sys->i_title )
984
985     {
986         return VLC_EGENERIC; /* Couldn't set title */
987     }
988
989     /*
990      * Chapter selection
991      */
992
993     if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
994     {
995         pgc_id = p_vts->vts_ptt_srpt->title[
996                      p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
997         pgn = p_vts->vts_ptt_srpt->title[
998                   p_sys->i_ttn - 1].ptt[i_chapter].pgn;
999
1000         p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1001
1002         p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1003         p_sys->i_chapter = i_chapter;
1004         DvdReadFindCell( p_demux );
1005
1006         p_sys->i_title_offset = 0;
1007         for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1008         {
1009             p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1010                 p_pgc->cell_playback[i].first_sector + 1;
1011         }
1012
1013         p_sys->i_pack_len = 0;
1014         p_sys->i_next_vobu = p_sys->i_cur_block =
1015             p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1016
1017         if( p_demux->info.i_seekpoint != i_chapter )
1018         {
1019             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1020             p_demux->info.i_seekpoint = i_chapter;
1021         }
1022     }
1023     else if( i_chapter != -1 )
1024
1025     {
1026         return VLC_EGENERIC; /* Couldn't set chapter */
1027     }
1028
1029 #undef p_pgc
1030 #undef p_vts
1031 #undef p_vmg
1032
1033     return VLC_SUCCESS;
1034 }
1035
1036 /*****************************************************************************
1037  * DvdReadSeek : Goes to a given position on the stream.
1038  *****************************************************************************
1039  * This one is used by the input and translate chronological position from
1040  * input to logical position on the device.
1041  *****************************************************************************/
1042 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1043 {
1044     demux_sys_t *p_sys = p_demux->p_sys;
1045     int i_chapter = 0;
1046     int i_cell = 0;
1047     int i_vobu = 0;
1048     int i_sub_cell = 0;
1049     int i_block;
1050
1051 #define p_pgc p_sys->p_cur_pgc
1052 #define p_vts p_sys->p_vts_file
1053
1054     /* Find cell */
1055     i_block = i_block_offset;
1056     for( i_cell = p_sys->i_title_start_cell;
1057          i_cell <= p_sys->i_title_end_cell; i_cell++ )
1058     {
1059         if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1060             (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1061
1062         i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1063             p_pgc->cell_playback[i_cell].first_sector + 1);
1064     }
1065     if( i_cell > p_sys->i_title_end_cell )
1066     {
1067         msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1068         return;
1069     }
1070     i_block += p_pgc->cell_playback[i_cell].first_sector;
1071     p_sys->i_title_offset = i_block_offset;
1072
1073     /* Find chapter */
1074     for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1075     {
1076         int pgc_id, pgn, i_tmp;
1077
1078         pgc_id = p_vts->vts_ptt_srpt->title[
1079                     p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1080         pgn = p_vts->vts_ptt_srpt->title[
1081                     p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1082
1083         i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1084
1085         if( i_tmp > i_cell ) break;
1086     }
1087
1088     if( i_chapter < p_sys->i_chapters &&
1089         p_demux->info.i_seekpoint != i_chapter )
1090     {
1091         p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1092         p_demux->info.i_seekpoint = i_chapter;
1093     }
1094
1095     /* Find vobu */
1096     while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1097     {
1098         i_vobu++;
1099     }
1100
1101     /* Find sub_cell */
1102     while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1103            p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1104     {
1105         i_sub_cell++;
1106     }
1107
1108 #if 1
1109     msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1110              "cell_sector %d vobu_sector %d sub_cell_sector %d",
1111              i_cell, i_sub_cell, i_chapter, i_vobu,
1112              p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1113              p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1114              p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1115 #endif
1116
1117     p_sys->i_cur_block = i_block;
1118     p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1119     p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1120     p_sys->i_cur_cell = i_cell;
1121     p_sys->i_chapter = i_chapter;
1122     DvdReadFindCell( p_demux );
1123
1124 #undef p_vts
1125 #undef p_pgc
1126
1127     return;
1128 }
1129
1130 /*****************************************************************************
1131  * DvdReadHandleDSI
1132  *****************************************************************************/
1133 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1134 {
1135     demux_sys_t *p_sys = p_demux->p_sys;
1136
1137     navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1138
1139     /*
1140      * Determine where we go next.  These values are the ones we mostly
1141      * care about.
1142      */
1143     p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1144     p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1145
1146     /*
1147      * Store the timecodes so we can get the current time
1148      */
1149     p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1150     p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1151
1152     /*
1153      * If we're not at the end of this cell, we can determine the next
1154      * VOBU to display using the VOBU_SRI information section of the
1155      * DSI.  Using this value correctly follows the current angle,
1156      * avoiding the doubled scenes in The Matrix, and makes our life
1157      * really happy.
1158      */
1159
1160     p_sys->i_next_vobu = p_sys->i_cur_block +
1161         ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1162
1163     if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1164         && p_sys->i_angle > 1 )
1165     {
1166         switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1167         {
1168         case 0x4:
1169             /* Interleaved unit with no angle */
1170             if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1171             {
1172                 p_sys->i_next_vobu = p_sys->i_cur_block +
1173                     p_sys->dsi_pack.sml_pbi.ilvu_sa;
1174                 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1175             }
1176             else
1177             {
1178                 p_sys->i_next_vobu = p_sys->i_cur_block +
1179                     p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1180             }
1181             break;
1182         case 0x5:
1183             /* vobu is end of ilvu */
1184             if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1185             {
1186                 p_sys->i_next_vobu = p_sys->i_cur_block +
1187                     p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1188                 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1189
1190                 break;
1191             }
1192         case 0x6:
1193             /* vobu is beginning of ilvu */
1194         case 0x9:
1195             /* next scr is 0 */
1196         case 0xa:
1197             /* entering interleaved section */
1198         case 0x8:
1199             /* non interleaved cells in interleaved section */
1200         default:
1201             p_sys->i_next_vobu = p_sys->i_cur_block +
1202                 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1203             break;
1204         }
1205     }
1206     else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1207     {
1208         p_sys->i_cur_cell = p_sys->i_next_cell;
1209
1210         /* End of title */
1211         if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1212
1213         DvdReadFindCell( p_demux );
1214
1215         p_sys->i_next_vobu =
1216             p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1217
1218         p_sys->i_cell_duration = (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 );
1219     }
1220
1221
1222 #if 0
1223     msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1224              p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1225              p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1226              p_sys->dsi_pack.dsi_gi.vobu_ea,
1227              p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1228              p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1229              dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1230
1231     msg_Dbg( p_demux, "cell duration: %lld",
1232              (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1233
1234     msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1235              p_sys->dsi_pack.sml_pbi.category,
1236              p_sys->dsi_pack.sml_pbi.ilvu_ea,
1237              p_sys->dsi_pack.sml_pbi.ilvu_sa,
1238              p_sys->dsi_pack.sml_pbi.size );
1239
1240     msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1241              p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1242              p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1243              p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1244 #endif
1245 }
1246
1247 /*****************************************************************************
1248  * DvdReadFindCell
1249  *****************************************************************************/
1250 static void DvdReadFindCell( demux_t *p_demux )
1251 {
1252     demux_sys_t *p_sys = p_demux->p_sys;
1253
1254     pgc_t *p_pgc;
1255     int   pgc_id, pgn;
1256     int   i = 0;
1257
1258 #define cell p_sys->p_cur_pgc->cell_playback
1259
1260     if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1261     {
1262         p_sys->i_cur_cell += p_sys->i_angle - 1;
1263
1264         while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1265         {
1266             i++;
1267         }
1268         p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1269     }
1270     else
1271     {
1272         p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1273     }
1274
1275 #undef cell
1276
1277     if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1278
1279     pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1280                 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1281     pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1282               p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1283     p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1284
1285     if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1286     {
1287         p_sys->i_chapter++;
1288
1289         if( p_sys->i_chapter < p_sys->i_chapters &&
1290             p_demux->info.i_seekpoint != p_sys->i_chapter )
1291         {
1292             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1293             p_demux->info.i_seekpoint = p_sys->i_chapter;
1294         }
1295     }
1296 }
1297
1298 /*****************************************************************************
1299  * DemuxTitles: get the titles/chapters structure
1300  *****************************************************************************/
1301 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1302 {
1303     VLC_UNUSED( pi_angle );
1304
1305     demux_sys_t *p_sys = p_demux->p_sys;
1306     input_title_t *t;
1307     seekpoint_t *s;
1308
1309     /* Find out number of titles/chapters */
1310 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1311
1312     int32_t i_titles = tt_srpt->nr_of_srpts;
1313     msg_Dbg( p_demux, "number of titles: %d", i_titles );
1314
1315     for( int i = 0; i < i_titles; i++ )
1316     {
1317         int32_t i_chapters = 0;
1318         int j;
1319
1320         i_chapters = tt_srpt->title[i].nr_of_ptts;
1321         msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1322
1323         t = vlc_input_title_New();
1324
1325         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1326         {
1327             s = vlc_seekpoint_New();
1328             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1329         }
1330
1331         TAB_APPEND( p_sys->i_titles, p_sys->titles, t );
1332     }
1333
1334 #undef tt_srpt
1335 }