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Qt: add asserts around p_input access
[vlc.git] / modules / access / dvdread.c
blob98398bbcbcfed1e318f170dfc400bc349eb073c6
1 /*****************************************************************************
2 * dvdread.c : DvdRead input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2006 the VideoLAN team
5 * $Id$
6 *
7 * Authors: Stéphane 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 static int Open ( vlc_object_t * );
67 static void Close( vlc_object_t * );
68
69 vlc_module_begin ()
70 set_shortname( N_("DVD without menus") )
71 set_description( N_("DVDRead Input (no menu support)") )
72 set_category( CAT_INPUT )
73 set_subcategory( SUBCAT_INPUT_ACCESS )
74 add_integer( "dvdread-angle", 1, ANGLE_TEXT,
75 ANGLE_LONGTEXT, false )
76 add_obsolete_string( "dvdread-css-method" ) /* obsolete since 1.1.0 */
77 set_capability( "access_demux", 0 )
78 add_shortcut( "dvd", "dvdread", "dvdsimple" )
79 set_callbacks( Open, Close )
80 vlc_module_end ()
81
82 /* how many blocks DVDRead will read in each loop */
83 #define DVD_BLOCK_READ_ONCE 4
84
85 /*****************************************************************************
86 * Local prototypes
87 *****************************************************************************/
88
89 struct demux_sys_t
90 {
91 /* DVDRead state */
92 dvd_reader_t *p_dvdread;
93 dvd_file_t *p_title;
94
95 ifo_handle_t *p_vmg_file;
96 ifo_handle_t *p_vts_file;
97
98 int i_title;
99 int i_chapter, i_chapters;
100 int i_angle, i_angles;
101
102 tt_srpt_t *p_tt_srpt;
103 pgc_t *p_cur_pgc;
104 dsi_t dsi_pack;
105 int i_ttn;
106
107 int i_pack_len;
108 int i_cur_block;
109 int i_next_vobu;
110
111 int i_mux_rate;
112
113 /* Current title start/end blocks */
114 int i_title_start_block;
115 int i_title_end_block;
116 int i_title_blocks;
117 int i_title_offset;
118 mtime_t i_title_cur_time;
119
120 int i_title_start_cell;
121 int i_title_end_cell;
122 int i_cur_cell;
123 int i_next_cell;
124 mtime_t i_cell_cur_time;
125 mtime_t i_cell_duration;
126
127 /* Track */
128 ps_track_t tk[PS_TK_COUNT];
129
130 int i_titles;
131 input_title_t **titles;
132
133 /* Video */
134 int i_sar_num;
135 int i_sar_den;
136
137 /* SPU */
138 uint32_t clut[16];
139 };
140
141 static int Control ( demux_t *, int, va_list );
142 static int Demux ( demux_t * );
143 static int DemuxBlock( demux_t *, const uint8_t *, int );
144
145 static void DemuxTitles( demux_t *, int * );
146 static void ESNew( demux_t *, int, int );
147
148 static int DvdReadSetArea ( demux_t *, int, int, int );
149 static void DvdReadSeek ( demux_t *, int );
150 static void DvdReadHandleDSI( demux_t *, uint8_t * );
151 static void DvdReadFindCell ( demux_t * );
152
153 /*****************************************************************************
154 * Open:
155 *****************************************************************************/
156 static int Open( vlc_object_t *p_this )
157 {
158 demux_t *p_demux = (demux_t*)p_this;
159 demux_sys_t *p_sys;
160 char *psz_file;
161 ifo_handle_t *p_vmg_file;
162
163 if( !p_demux->psz_file || !*p_demux->psz_file )
164 {
165 /* Only when selected */
166 if( !p_demux->psz_access || !*p_demux->psz_access )
167 return VLC_EGENERIC;
168
169 psz_file = var_InheritString( p_this, "dvd" );
170 }
171 else
172 psz_file = strdup( p_demux->psz_file );
173
174 #if defined( WIN32 ) || defined( __OS2__ )
175 if( psz_file != NULL )
176 {
177 size_t flen = strlen( psz_file );
178 if( flen > 0 && psz_file[flen - 1] == '\\' )
179 psz_file[flen - 1] = '\0';
180 }
181 else
182 psz_file = strdup("");
183 #endif
184 if( unlikely(psz_file == NULL) )
185 return VLC_EGENERIC;
186
187 /* Open dvdread */
188 const char *psz_path = ToLocale( psz_file );
189 dvd_reader_t *p_dvdread = DVDOpen( psz_path );
190
191 LocaleFree( psz_path );
192 if( p_dvdread == NULL )
193 {
194 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_file );
195 dialog_Fatal( p_demux, _("Playback failure"),
196 _("DVDRead could not open the disc \"%s\"."), psz_file );
197 free( psz_file );
198 return VLC_EGENERIC;
199 }
200 free( psz_file );
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 return VLC_SUCCESS;
241 }
242
243 /*****************************************************************************
244 * Close:
245 *****************************************************************************/
246 static void Close( vlc_object_t *p_this )
247 {
248 demux_t *p_demux = (demux_t*)p_this;
249 demux_sys_t *p_sys = p_demux->p_sys;
250 int i;
251
252 for( i = 0; i < PS_TK_COUNT; i++ )
253 {
254 ps_track_t *tk = &p_sys->tk[i];
255 if( tk->b_seen )
256 {
257 es_format_Clean( &tk->fmt );
258 if( tk->es ) es_out_Del( p_demux->out, tk->es );
259 }
260 }
261
262 /* Free the array of titles */
263 for( int i = 0; i < p_sys->i_titles; i++ )
264 vlc_input_title_Delete( p_sys->titles[i] );
265 TAB_CLEAN( p_sys->i_titles, p_sys->titles );
266
267 /* Close libdvdread */
268 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
269 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
270 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
271 DVDClose( p_sys->p_dvdread );
272
273 free( p_sys );
274 }
275
276 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
277 {
278 /* Macro to convert Binary Coded Decimal to Decimal */
279 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
280
281 double f_fps, f_ms;
282 int64_t i_micro_second = 0;
283
284 if (still_time == 0 || still_time == 0xFF)
285 {
286 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
287 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
288 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
289
290 switch((dtime->frame_u & 0xc0) >> 6)
291 {
292 case 1:
293 f_fps = 25.0;
294 break;
295 case 3:
296 f_fps = 29.97;
297 break;
298 default:
299 f_fps = 2500.0;
300 break;
301 }
302 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
303 i_micro_second += (int64_t)(f_ms * 1000.0);
304 }
305 else
306 {
307 i_micro_second = still_time;
308 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
309 }
310
311 return i_micro_second;
312 }
313
314 /*****************************************************************************
315 * Control:
316 *****************************************************************************/
317 static int Control( demux_t *p_demux, int i_query, va_list args )
318 {
319 demux_sys_t *p_sys = p_demux->p_sys;
320 double f, *pf;
321 bool *pb;
322 int64_t *pi64;
323 input_title_t ***ppp_title;
324 int *pi_int;
325 int i;
326
327 switch( i_query )
328 {
329 case DEMUX_GET_POSITION:
330 {
331 pf = (double*) va_arg( args, double* );
332
333 if( p_sys->i_title_blocks > 0 )
334 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
335 else
336 *pf = 0.0;
337
338 return VLC_SUCCESS;
339 }
340 case DEMUX_SET_POSITION:
341 {
342 f = (double)va_arg( args, double );
343
344 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
345
346 return VLC_SUCCESS;
347 }
348 case DEMUX_GET_TIME:
349 pi64 = (int64_t*)va_arg( args, int64_t * );
350 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
351 {
352 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
353 p_sys->i_title_blocks * p_sys->i_title_offset;
354 return VLC_SUCCESS;
355 }
356 *pi64 = 0;
357 return VLC_EGENERIC;
358
359 case DEMUX_GET_LENGTH:
360 pi64 = (int64_t*)va_arg( args, int64_t * );
361 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
362 {
363 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
364 return VLC_SUCCESS;
365 }
366 *pi64 = 0;
367 return VLC_EGENERIC;
368
369 /* Special for access_demux */
370 case DEMUX_CAN_PAUSE:
371 case DEMUX_CAN_SEEK:
372 case DEMUX_CAN_CONTROL_PACE:
373 /* TODO */
374 pb = (bool*)va_arg( args, bool * );
375 *pb = true;
376 return VLC_SUCCESS;
377
378 case DEMUX_SET_PAUSE_STATE:
379 return VLC_SUCCESS;
380
381 case DEMUX_GET_TITLE_INFO:
382 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
383 pi_int = (int*)va_arg( args, int* );
384 *((int*)va_arg( args, int* )) = 1; /* Title offset */
385 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
386
387 /* Duplicate title infos */
388 *pi_int = p_sys->i_titles;
389 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
390 for( i = 0; i < p_sys->i_titles; i++ )
391 {
392 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
393 }
394 return VLC_SUCCESS;
395
396 case DEMUX_SET_TITLE:
397 i = (int)va_arg( args, int );
398 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
399 {
400 msg_Warn( p_demux, "cannot set title/chapter" );
401 return VLC_EGENERIC;
402 }
403 p_demux->info.i_update |=
404 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
405 p_demux->info.i_title = i;
406 p_demux->info.i_seekpoint = 0;
407 return VLC_SUCCESS;
408
409 case DEMUX_SET_SEEKPOINT:
410 i = (int)va_arg( args, int );
411 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
412 {
413 msg_Warn( p_demux, "cannot set title/chapter" );
414 return VLC_EGENERIC;
415 }
416 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
417 p_demux->info.i_seekpoint = i;
418 return VLC_SUCCESS;
419
420 case DEMUX_GET_PTS_DELAY:
421 pi64 = (int64_t*)va_arg( args, int64_t * );
422 *pi64 =
423 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
424 return VLC_SUCCESS;
425
426 /* TODO implement others */
427 default:
428 return VLC_EGENERIC;
429 }
430 }
431
432 /*****************************************************************************
433 * Demux:
434 *****************************************************************************/
435 static int Demux( demux_t *p_demux )
436 {
437 demux_sys_t *p_sys = p_demux->p_sys;
438
439 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
440 int i_blocks_once, i_read;
441 int i;
442
443 /*
444 * Playback by cell in this pgc, starting at the cell for our chapter.
445 */
446
447 /*
448 * Check end of pack, and select the following one
449 */
450 if( !p_sys->i_pack_len )
451 {
452 /* Read NAV packet */
453 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
454 1, p_buffer ) != 1 )
455 {
456 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
457 dialog_Fatal( p_demux, _("Playback failure"),
458 _("DVDRead could not read block %d."),
459 p_sys->i_next_vobu );
460 return -1;
461 }
462
463 /* Basic check to be sure we don't have a empty title
464 * go to next title if so */
465 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
466
467 /* Parse the contained dsi packet */
468 DvdReadHandleDSI( p_demux, p_buffer );
469
470 /* End of title */
471 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
472 {
473 if( p_sys->i_title + 1 >= p_sys->i_titles )
474 {
475 return 0; /* EOF */
476 }
477
478 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
479 }
480
481 if( p_sys->i_pack_len >= 1024 )
482 {
483 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
484 "This shouldn't happen!", p_sys->i_pack_len );
485 return 0; /* EOF */
486 }
487
488 /* FIXME: Ugly kludge: we send the pack block to the input for it
489 * sometimes has a zero scr and restart the sync */
490 p_sys->i_cur_block++;
491 p_sys->i_title_offset++;
492
493 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
494 }
495
496 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
497 {
498 if( p_sys->i_title + 1 >= p_sys->i_titles )
499 {
500 return 0; /* EOF */
501 }
502
503 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
504 }
505
506 /*
507 * Read actual data
508 */
509 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
510 p_sys->i_pack_len -= i_blocks_once;
511
512 /* Reads from DVD */
513 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
514 i_blocks_once, p_buffer );
515 if( i_read != i_blocks_once )
516 {
517 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
518 i_read, i_blocks_once, p_sys->i_cur_block );
519 dialog_Fatal( p_demux, _("Playback failure"),
520 _("DVDRead could not read %d/%d blocks at 0x%02x."),
521 i_read, i_blocks_once, p_sys->i_cur_block );
522 return -1;
523 }
524
525 p_sys->i_cur_block += i_read;
526 p_sys->i_title_offset += i_read;
527
528 #if 0
529 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
530 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
531 #endif
532
533 for( i = 0; i < i_read; i++ )
534 {
535 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
536 DVD_VIDEO_LB_LEN );
537 }
538
539 #undef p_pgc
540
541 return 1;
542 }
543
544 /*****************************************************************************
545 * DemuxBlock: demux a given block
546 *****************************************************************************/
547 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
548 {
549 demux_sys_t *p_sys = p_demux->p_sys;
550
551 while( len > 0 )
552 {
553 int i_size = ps_pkt_size( p, len );
554 if( i_size <= 0 || i_size > len )
555 {
556 break;
557 }
558
559 /* Create a block */
560 block_t *p_pkt = block_New( p_demux, i_size );
561 memcpy( p_pkt->p_buffer, p, i_size);
562
563 /* Parse it and send it */
564 switch( 0x100 | p[3] )
565 {
566 case 0x1b9:
567 case 0x1bb:
568 case 0x1bc:
569
570 #ifdef DVDREAD_DEBUG
571 if( p[3] == 0xbc )
572 {
573 msg_Warn( p_demux, "received a PSM packet" );
574 }
575 else if( p[3] == 0xbb )
576 {
577 msg_Warn( p_demux, "received a SYSTEM packet" );
578 }
579 #endif
580 block_Release( p_pkt );
581 break;
582
583 case 0x1ba:
584 {
585 int64_t i_scr;
586 int i_mux_rate;
587 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
588 {
589 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
590 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
591 }
592 block_Release( p_pkt );
593 break;
594 }
595 default:
596 {
597 int i_id = ps_pkt_id( p_pkt );
598 if( i_id >= 0xc0 )
599 {
600 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
601
602 if( !tk->b_seen )
603 {
604 ESNew( p_demux, i_id, 0 );
605 }
606 if( tk->b_seen && tk->es &&
607 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
608 {
609 es_out_Send( p_demux->out, tk->es, p_pkt );
610 }
611 else
612 {
613 block_Release( p_pkt );
614 }
615 }
616 else
617 {
618 block_Release( p_pkt );
619 }
620 break;
621 }
622 }
623
624 p += i_size;
625 len -= i_size;
626 }
627
628 return VLC_SUCCESS;
629 }
630
631 /*****************************************************************************
632 * ESNew: register a new elementary stream
633 *****************************************************************************/
634 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
635 {
636 demux_sys_t *p_sys = p_demux->p_sys;
637 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
638 char psz_language[3];
639
640 if( tk->b_seen ) return;
641
642 if( ps_track_fill( tk, 0, i_id ) )
643 {
644 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
645 return;
646 }
647
648 psz_language[0] = psz_language[1] = psz_language[2] = 0;
649 if( i_lang && i_lang != 0xffff )
650 {
651 psz_language[0] = (i_lang >> 8)&0xff;
652 psz_language[1] = (i_lang )&0xff;
653 }
654
655 /* Add a new ES */
656 if( tk->fmt.i_cat == VIDEO_ES )
657 {
658 tk->fmt.video.i_sar_num = p_sys->i_sar_num;
659 tk->fmt.video.i_sar_den = p_sys->i_sar_den;
660 }
661 else if( tk->fmt.i_cat == AUDIO_ES )
662 {
663 int i_audio = -1;
664 /* find the audio number PLEASE find another way */
665 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
666 {
667 i_audio = i_id&0x07;
668 }
669 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
670 {
671 i_audio = i_id&0xf;
672 }
673 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
674 {
675 i_audio = i_id&0x1f;
676 }
677 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
678 {
679 i_audio = i_id&0x1f;
680 }
681
682 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
683 }
684 else if( tk->fmt.i_cat == SPU_ES )
685 {
686 /* Palette */
687 tk->fmt.subs.spu.palette[0] = 0xBeef;
688 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
689 16 * sizeof( uint32_t ) );
690
691 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
692 }
693
694 tk->es = es_out_Add( p_demux->out, &tk->fmt );
695 tk->b_seen = true;
696 }
697
698 /*****************************************************************************
699 * DvdReadSetArea: initialize input data for title x, chapter y.
700 * It should be called for each user navigation request.
701 *****************************************************************************
702 * Take care that i_title and i_chapter start from 0.
703 *****************************************************************************/
704 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
705 int i_angle )
706 {
707 VLC_UNUSED( i_angle );
708
709 demux_sys_t *p_sys = p_demux->p_sys;
710 int pgc_id = 0, pgn = 0;
711 int i;
712
713 #define p_pgc p_sys->p_cur_pgc
714 #define p_vmg p_sys->p_vmg_file
715 #define p_vts p_sys->p_vts_file
716
717 if( i_title >= 0 && i_title < p_sys->i_titles &&
718 i_title != p_sys->i_title )
719 {
720 int i_start_cell, i_end_cell;
721
722 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
723 if( p_vts != NULL ) ifoClose( p_vts );
724 p_sys->i_title = i_title;
725
726 /*
727 * We have to load all title information
728 */
729 msg_Dbg( p_demux, "open VTS %d, for title %d",
730 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
731
732 /* Ifo vts */
733 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
734 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
735 {
736 msg_Err( p_demux, "fatal error in vts ifo" );
737 return VLC_EGENERIC;
738 }
739
740 /* Title position inside the selected vts */
741 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
742
743 /* Find title start/end */
744 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
745 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
746 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
747
748 p_sys->i_title_start_cell =
749 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
750 p_sys->i_title_start_block =
751 p_pgc->cell_playback[i_start_cell].first_sector;
752
753 p_sys->i_title_end_cell =
754 i_end_cell = p_pgc->nr_of_cells - 1;
755 p_sys->i_title_end_block =
756 p_pgc->cell_playback[i_end_cell].last_sector;
757
758 p_sys->i_title_offset = 0;
759
760 p_sys->i_title_blocks = 0;
761 for( i = i_start_cell; i <= i_end_cell; i++ )
762 {
763 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
764 p_pgc->cell_playback[i].first_sector + 1;
765 }
766
767 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
768 "start %d end %d blocks: %d",
769 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
770 p_sys->i_title_start_block, p_sys->i_title_end_block,
771 p_sys->i_title_blocks );
772
773 /*
774 * Set properties for current chapter
775 */
776 p_sys->i_chapter = 0;
777 p_sys->i_chapters =
778 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
779
780 pgc_id = p_vts->vts_ptt_srpt->title[
781 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
782 pgn = p_vts->vts_ptt_srpt->title[
783 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
784
785 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
786 p_sys->i_pack_len = 0;
787 p_sys->i_next_cell =
788 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
789 DvdReadFindCell( p_demux );
790
791 p_sys->i_next_vobu = p_sys->i_cur_block =
792 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
793
794 /*
795 * Angle management
796 */
797 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
798 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
799
800 /*
801 * We've got enough info, time to open the title set data.
802 */
803 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
804 p_vmg->tt_srpt->title[i_title].title_set_nr,
805 DVD_READ_TITLE_VOBS ) ) )
806 {
807 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
808 p_vmg->tt_srpt->title[i_title].title_set_nr );
809 return VLC_EGENERIC;
810 }
811
812 //IfoPrintTitle( p_demux );
813
814 /*
815 * Destroy obsolete ES by reinitializing program 0
816 * and find all ES in title with ifo data
817 */
818 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
819
820 for( i = 0; i < PS_TK_COUNT; i++ )
821 {
822 ps_track_t *tk = &p_sys->tk[i];
823 if( tk->b_seen )
824 {
825 es_format_Clean( &tk->fmt );
826 if( tk->es ) es_out_Del( p_demux->out, tk->es );
827 }
828 tk->b_seen = false;
829 }
830
831 if( p_demux->info.i_title != i_title )
832 {
833 p_demux->info.i_update |=
834 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
835 p_demux->info.i_title = i_title;
836 p_demux->info.i_seekpoint = 0;
837 }
838
839 /* TODO: re-add angles */
840
841
842 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
843 const video_attr_t *p_attr = &p_vts->vtsi_mat->vts_video_attr;
844 int i_video_height = p_attr->video_format != 0 ? 576 : 480;
845 int i_video_width;
846 switch( p_attr->picture_size )
847 {
848 case 0:
849 i_video_width = 720;
850 break;
851 case 1:
852 i_video_width = 704;
853 break;
854 case 2:
855 i_video_width = 352;
856 break;
857 default:
858 case 3:
859 i_video_width = 352;
860 i_video_height /= 2;
861 break;
862 }
863 switch( p_attr->display_aspect_ratio )
864 {
865 case 0:
866 p_sys->i_sar_num = 4 * i_video_height;
867 p_sys->i_sar_den = 3 * i_video_width;
868 break;
869 case 3:
870 p_sys->i_sar_num = 16 * i_video_height;
871 p_sys->i_sar_den = 9 * i_video_width;
872 break;
873 default:
874 p_sys->i_sar_num = 0;
875 p_sys->i_sar_den = 0;
876 break;
877 }
878
879 #define audio_control \
880 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
881
882 /* Audio ES, in the order they appear in the .ifo */
883 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
884 {
885 int i_position = 0;
886 uint16_t i_id;
887
888 //IfoPrintAudio( p_demux, i );
889
890 /* Audio channel is active if first byte is 0x80 */
891 if( audio_control & 0x8000 )
892 {
893 i_position = ( audio_control & 0x7F00 ) >> 8;
894
895 msg_Dbg( p_demux, "audio position %d", i_position );
896 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
897 {
898 case 0x00: /* A52 */
899 i_id = (0x80 + i_position) | 0xbd00;
900 break;
901 case 0x02:
902 case 0x03: /* MPEG audio */
903 i_id = 0xc000 + i_position;
904 break;
905 case 0x04: /* LPCM */
906 i_id = (0xa0 + i_position) | 0xbd00;
907 break;
908 case 0x06: /* DTS */
909 i_id = (0x88 + i_position) | 0xbd00;
910 break;
911 default:
912 i_id = 0;
913 msg_Err( p_demux, "unknown audio type %.2x",
914 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
915 }
916
917 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
918 vts_audio_attr[i - 1].lang_code );
919 }
920 }
921 #undef audio_control
922
923 #define spu_palette \
924 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
925
926 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
927
928 #define spu_control \
929 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
930
931 /* Sub Picture ES */
932 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
933 {
934 int i_position = 0;
935 uint16_t i_id;
936
937 //IfoPrintSpu( p_sys, i );
938 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
939
940 if( spu_control & 0x80000000 )
941 {
942 /* there are several streams for one spu */
943 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
944 {
945 /* 16:9 */
946 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
947 {
948 case 1: /* letterbox */
949 i_position = spu_control & 0xff;
950 break;
951 case 2: /* pan&scan */
952 i_position = ( spu_control >> 8 ) & 0xff;
953 break;
954 default: /* widescreen */
955 i_position = ( spu_control >> 16 ) & 0xff;
956 break;
957 }
958 }
959 else
960 {
961 /* 4:3 */
962 i_position = ( spu_control >> 24 ) & 0x7F;
963 }
964
965 i_id = (0x20 + i_position) | 0xbd00;
966
967 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
968 vts_subp_attr[i - 1].lang_code );
969 }
970 }
971 #undef spu_control
972
973 }
974 else if( i_title != -1 && i_title != p_sys->i_title )
975
976 {
977 return VLC_EGENERIC; /* Couldn't set title */
978 }
979
980 /*
981 * Chapter selection
982 */
983
984 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
985 {
986 pgc_id = p_vts->vts_ptt_srpt->title[
987 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
988 pgn = p_vts->vts_ptt_srpt->title[
989 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
990
991 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
992
993 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
994 p_sys->i_chapter = i_chapter;
995 DvdReadFindCell( p_demux );
996
997 p_sys->i_title_offset = 0;
998 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
999 {
1000 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1001 p_pgc->cell_playback[i].first_sector + 1;
1002 }
1003
1004 p_sys->i_pack_len = 0;
1005 p_sys->i_next_vobu = p_sys->i_cur_block =
1006 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1007
1008 if( p_demux->info.i_seekpoint != i_chapter )
1009 {
1010 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1011 p_demux->info.i_seekpoint = i_chapter;
1012 }
1013 }
1014 else if( i_chapter != -1 )
1015
1016 {
1017 return VLC_EGENERIC; /* Couldn't set chapter */
1018 }
1019
1020 #undef p_pgc
1021 #undef p_vts
1022 #undef p_vmg
1023
1024 return VLC_SUCCESS;
1025 }
1026
1027 /*****************************************************************************
1028 * DvdReadSeek : Goes to a given position on the stream.
1029 *****************************************************************************
1030 * This one is used by the input and translate chronological position from
1031 * input to logical position on the device.
1032 *****************************************************************************/
1033 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1034 {
1035 demux_sys_t *p_sys = p_demux->p_sys;
1036 int i_chapter = 0;
1037 int i_cell = 0;
1038 int i_vobu = 0;
1039 int i_sub_cell = 0;
1040 int i_block;
1041
1042 #define p_pgc p_sys->p_cur_pgc
1043 #define p_vts p_sys->p_vts_file
1044
1045 /* Find cell */
1046 i_block = i_block_offset;
1047 for( i_cell = p_sys->i_title_start_cell;
1048 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1049 {
1050 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1051 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1052
1053 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1054 p_pgc->cell_playback[i_cell].first_sector + 1);
1055 }
1056 if( i_cell > p_sys->i_title_end_cell )
1057 {
1058 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1059 return;
1060 }
1061 i_block += p_pgc->cell_playback[i_cell].first_sector;
1062 p_sys->i_title_offset = i_block_offset;
1063
1064 /* Find chapter */
1065 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1066 {
1067 int pgc_id, pgn, i_tmp;
1068
1069 pgc_id = p_vts->vts_ptt_srpt->title[
1070 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1071 pgn = p_vts->vts_ptt_srpt->title[
1072 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1073
1074 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1075
1076 if( i_tmp > i_cell ) break;
1077 }
1078
1079 if( i_chapter < p_sys->i_chapters &&
1080 p_demux->info.i_seekpoint != i_chapter )
1081 {
1082 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1083 p_demux->info.i_seekpoint = i_chapter;
1084 }
1085
1086 /* Find vobu */
1087 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1088 {
1089 i_vobu++;
1090 }
1091
1092 /* Find sub_cell */
1093 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1094 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1095 {
1096 i_sub_cell++;
1097 }
1098
1099 #if 1
1100 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1101 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1102 i_cell, i_sub_cell, i_chapter, i_vobu,
1103 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1104 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1105 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1106 #endif
1107
1108 p_sys->i_cur_block = i_block;
1109 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1110 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1111 p_sys->i_cur_cell = i_cell;
1112 p_sys->i_chapter = i_chapter;
1113 DvdReadFindCell( p_demux );
1114
1115 #undef p_vts
1116 #undef p_pgc
1117
1118 return;
1119 }
1120
1121 /*****************************************************************************
1122 * DvdReadHandleDSI
1123 *****************************************************************************/
1124 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1125 {
1126 demux_sys_t *p_sys = p_demux->p_sys;
1127
1128 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1129
1130 /*
1131 * Determine where we go next. These values are the ones we mostly
1132 * care about.
1133 */
1134 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1135 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1136
1137 /*
1138 * Store the timecodes so we can get the current time
1139 */
1140 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1141 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1142
1143 /*
1144 * If we're not at the end of this cell, we can determine the next
1145 * VOBU to display using the VOBU_SRI information section of the
1146 * DSI. Using this value correctly follows the current angle,
1147 * avoiding the doubled scenes in The Matrix, and makes our life
1148 * really happy.
1149 */
1150
1151 p_sys->i_next_vobu = p_sys->i_cur_block +
1152 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1153
1154 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1155 && p_sys->i_angle > 1 )
1156 {
1157 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1158 {
1159 case 0x4:
1160 /* Interleaved unit with no angle */
1161 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1162 {
1163 p_sys->i_next_vobu = p_sys->i_cur_block +
1164 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1165 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1166 }
1167 else
1168 {
1169 p_sys->i_next_vobu = p_sys->i_cur_block +
1170 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1171 }
1172 break;
1173 case 0x5:
1174 /* vobu is end of ilvu */
1175 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1176 {
1177 p_sys->i_next_vobu = p_sys->i_cur_block +
1178 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1179 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1180
1181 break;
1182 }
1183 case 0x6:
1184 /* vobu is beginning of ilvu */
1185 case 0x9:
1186 /* next scr is 0 */
1187 case 0xa:
1188 /* entering interleaved section */
1189 case 0x8:
1190 /* non interleaved cells in interleaved section */
1191 default:
1192 p_sys->i_next_vobu = p_sys->i_cur_block +
1193 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1194 break;
1195 }
1196 }
1197 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1198 {
1199 p_sys->i_cur_cell = p_sys->i_next_cell;
1200
1201 /* End of title */
1202 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1203
1204 DvdReadFindCell( p_demux );
1205
1206 p_sys->i_next_vobu =
1207 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1208
1209 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 );
1210 }
1211
1212
1213 #if 0
1214 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1215 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1216 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1217 p_sys->dsi_pack.dsi_gi.vobu_ea,
1218 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1219 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1220 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1221
1222 msg_Dbg( p_demux, "cell duration: %lld",
1223 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1224
1225 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1226 p_sys->dsi_pack.sml_pbi.category,
1227 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1228 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1229 p_sys->dsi_pack.sml_pbi.size );
1230
1231 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1232 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1233 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1234 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1235 #endif
1236 }
1237
1238 /*****************************************************************************
1239 * DvdReadFindCell
1240 *****************************************************************************/
1241 static void DvdReadFindCell( demux_t *p_demux )
1242 {
1243 demux_sys_t *p_sys = p_demux->p_sys;
1244
1245 pgc_t *p_pgc;
1246 int pgc_id, pgn;
1247 int i = 0;
1248
1249 #define cell p_sys->p_cur_pgc->cell_playback
1250
1251 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1252 {
1253 p_sys->i_cur_cell += p_sys->i_angle - 1;
1254
1255 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1256 {
1257 i++;
1258 }
1259 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1260 }
1261 else
1262 {
1263 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1264 }
1265
1266 #undef cell
1267
1268 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1269
1270 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1271 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1272 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1273 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1274 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1275
1276 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1277 {
1278 p_sys->i_chapter++;
1279
1280 if( p_sys->i_chapter < p_sys->i_chapters &&
1281 p_demux->info.i_seekpoint != p_sys->i_chapter )
1282 {
1283 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1284 p_demux->info.i_seekpoint = p_sys->i_chapter;
1285 }
1286 }
1287 }
1288
1289 /*****************************************************************************
1290 * DemuxTitles: get the titles/chapters structure
1291 *****************************************************************************/
1292 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1293 {
1294 VLC_UNUSED( pi_angle );
1295
1296 demux_sys_t *p_sys = p_demux->p_sys;
1297 input_title_t *t;
1298 seekpoint_t *s;
1299
1300 /* Find out number of titles/chapters */
1301 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1302
1303 int32_t i_titles = tt_srpt->nr_of_srpts;
1304 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1305
1306 for( int i = 0; i < i_titles; i++ )
1307 {
1308 int32_t i_chapters = 0;
1309 int j;
1310
1311 i_chapters = tt_srpt->title[i].nr_of_ptts;
1312 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1313
1314 t = vlc_input_title_New();
1315
1316 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1317 {
1318 s = vlc_seekpoint_New();
1319 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1320 }
1321
1322 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );
1323 }
1324
1325 #undef tt_srpt
1326 }
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