?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
va_surface: remove the unused decoderSurface
[vlc.git] / modules / access / dvdread.c
blobb479b9eeee5b79e404911617a38d8598a1a2beb8
1 /*****************************************************************************
2 * dvdread.c : DvdRead input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2006 VLC authors and VideoLAN
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 it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
24
25 /*****************************************************************************
26 * NOTA BENE: this module requires the linking against a library which is
27 * known to require licensing under the GNU General Public License version 2
28 * (or later). Therefore, the result of compiling this module will normally
29 * be subject to the terms of that later license.
30 *****************************************************************************/
31
32
33 /*****************************************************************************
34 * Preamble
35 *****************************************************************************/
36
37 #ifdef HAVE_CONFIG_H
38 # include "config.h"
39 #endif
40
41 #include <vlc_common.h>
42 #include <vlc_plugin.h>
43 #include <vlc_input.h>
44 #include <vlc_access.h>
45 #include <vlc_charset.h>
46 #include <vlc_interface.h>
47 #include <vlc_dialog.h>
48
49 #include <vlc_iso_lang.h>
50
51 #include "../demux/mpeg/pes.h"
52 #include "../demux/mpeg/ps.h"
53
54 #include <sys/types.h>
55 #include <unistd.h>
56
57 #include <dvdread/dvd_reader.h>
58 #include <dvdread/ifo_types.h>
59 #include <dvdread/ifo_read.h>
60 #include <dvdread/nav_read.h>
61 #include <dvdread/nav_print.h>
62
63 #include <assert.h>
64
65 /*****************************************************************************
66 * Module descriptor
67 *****************************************************************************/
68 #define ANGLE_TEXT N_("DVD angle")
69 #define ANGLE_LONGTEXT N_( \
70 "Default DVD angle." )
71
72 static int Open ( vlc_object_t * );
73 static void Close( vlc_object_t * );
74
75 vlc_module_begin ()
76 set_shortname( N_("DVD without menus") )
77 set_description( N_("DVDRead Input (no menu support)") )
78 set_category( CAT_INPUT )
79 set_subcategory( SUBCAT_INPUT_ACCESS )
80 add_integer( "dvdread-angle", 1, ANGLE_TEXT,
81 ANGLE_LONGTEXT, false )
82 add_obsolete_string( "dvdread-css-method" ) /* obsolete since 1.1.0 */
83 set_capability( "access_demux", 0 )
84 add_shortcut( "dvd", "dvdread", "dvdsimple" )
85 set_callbacks( Open, Close )
86 vlc_module_end ()
87
88 /* how many blocks DVDRead will read in each loop */
89 #define DVD_BLOCK_READ_ONCE 4
90
91 /*****************************************************************************
92 * Local prototypes
93 *****************************************************************************/
94
95 struct demux_sys_t
96 {
97 /* DVDRead state */
98 dvd_reader_t *p_dvdread;
99 dvd_file_t *p_title;
100
101 ifo_handle_t *p_vmg_file;
102 ifo_handle_t *p_vts_file;
103
104 int i_title;
105 int i_chapter, i_chapters;
106 int i_angle, i_angles;
107
108 tt_srpt_t *p_tt_srpt;
109 pgc_t *p_cur_pgc;
110 dsi_t dsi_pack;
111 int i_ttn;
112
113 int i_pack_len;
114 int i_cur_block;
115 int i_next_vobu;
116
117 int i_mux_rate;
118
119 /* Current title start/end blocks */
120 int i_title_start_block;
121 int i_title_end_block;
122 int i_title_blocks;
123 int i_title_offset;
124 mtime_t i_title_cur_time;
125
126 int i_title_start_cell;
127 int i_title_end_cell;
128 int i_cur_cell;
129 int i_next_cell;
130 mtime_t i_cell_cur_time;
131 mtime_t i_cell_duration;
132
133 /* Track */
134 ps_track_t tk[PS_TK_COUNT];
135
136 int i_titles;
137 input_title_t **titles;
138
139 /* Video */
140 int i_sar_num;
141 int i_sar_den;
142
143 /* SPU */
144 uint32_t clut[16];
145 };
146
147 static int Control ( demux_t *, int, va_list );
148 static int Demux ( demux_t * );
149 static int DemuxBlock( demux_t *, const uint8_t *, int );
150
151 static void DemuxTitles( demux_t *, int * );
152 static void ESNew( demux_t *, int, int );
153
154 static int DvdReadSetArea ( demux_t *, int, int, int );
155 static void DvdReadSeek ( demux_t *, int );
156 static void DvdReadHandleDSI( demux_t *, uint8_t * );
157 static void DvdReadFindCell ( demux_t * );
158
159 /*****************************************************************************
160 * Open:
161 *****************************************************************************/
162 static int Open( vlc_object_t *p_this )
163 {
164 demux_t *p_demux = (demux_t*)p_this;
165 demux_sys_t *p_sys;
166 char *psz_file;
167 ifo_handle_t *p_vmg_file;
168
169 if( !p_demux->psz_file || !*p_demux->psz_file )
170 {
171 /* Only when selected */
172 if( !*p_demux->psz_access )
173 return VLC_EGENERIC;
174
175 psz_file = var_InheritString( p_this, "dvd" );
176 }
177 else
178 psz_file = strdup( p_demux->psz_file );
179
180 #if defined( _WIN32 ) || defined( __OS2__ )
181 if( psz_file != NULL )
182 {
183 size_t flen = strlen( psz_file );
184 if( flen > 0 && psz_file[flen - 1] == '\\' )
185 psz_file[flen - 1] = '\0';
186 }
187 else
188 psz_file = strdup("");
189 #endif
190 if( unlikely(psz_file == NULL) )
191 return VLC_EGENERIC;
192
193 /* Open dvdread */
194 const char *psz_path = ToLocale( psz_file );
195 dvd_reader_t *p_dvdread = DVDOpen( psz_path );
196
197 LocaleFree( psz_path );
198 if( p_dvdread == NULL )
199 {
200 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_file );
201 vlc_dialog_display_error( p_demux, _("Playback failure"),
202 _("DVDRead could not open the disc \"%s\"."), psz_file );
203 free( psz_file );
204 return VLC_EGENERIC;
205 }
206 free( psz_file );
207
208 /* Ifo allocation & initialisation */
209 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
210 {
211 char rgsz_volid[32];
212 if( DVDUDFVolumeInfo( p_dvdread, rgsz_volid, 32, NULL, 0 ) )
213 {
214 if( DVDISOVolumeInfo( p_dvdread, rgsz_volid, 32, NULL, 0 ) == 0 )
215 {
216 vlc_dialog_display_error( p_demux, _("Playback failure"),
217 _("Cannot play a non UDF mastered DVD. (Found ISO9660 '%s')"), rgsz_volid );
218 msg_Err( p_demux, "Invalid UDF DVD. (Found ISO9660 '%s')", rgsz_volid );
219 }
220 }
221 msg_Warn( p_demux, "cannot open VMG info" );
222 return VLC_EGENERIC;
223 }
224 msg_Dbg( p_demux, "VMG opened" );
225
226 /* Fill p_demux field */
227 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
228
229 ps_track_init( p_sys->tk );
230 p_sys->i_sar_num = 0;
231 p_sys->i_sar_den = 0;
232 p_sys->i_title_cur_time = (mtime_t) 0;
233 p_sys->i_cell_cur_time = (mtime_t) 0;
234 p_sys->i_cell_duration = (mtime_t) 0;
235
236 p_sys->p_dvdread = p_dvdread;
237 p_sys->p_vmg_file = p_vmg_file;
238 p_sys->p_title = NULL;
239 p_sys->p_vts_file = NULL;
240
241 p_sys->i_title = p_sys->i_chapter = -1;
242 p_sys->i_mux_rate = 0;
243
244 p_sys->i_angle = var_CreateGetInteger( p_demux, "dvdread-angle" );
245 if( p_sys->i_angle <= 0 ) p_sys->i_angle = 1;
246
247 DemuxTitles( p_demux, &p_sys->i_angle );
248 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
249 {
250 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
251 p_sys->i_angle );
252 Close( p_this );
253 return VLC_EGENERIC;
254 }
255
256 return VLC_SUCCESS;
257 }
258
259 /*****************************************************************************
260 * Close:
261 *****************************************************************************/
262 static void Close( vlc_object_t *p_this )
263 {
264 demux_t *p_demux = (demux_t*)p_this;
265 demux_sys_t *p_sys = p_demux->p_sys;
266
267 for( int i = 0; i < PS_TK_COUNT; i++ )
268 {
269 ps_track_t *tk = &p_sys->tk[i];
270 if( tk->b_configured )
271 {
272 es_format_Clean( &tk->fmt );
273 if( tk->es ) es_out_Del( p_demux->out, tk->es );
274 }
275 }
276
277 /* Free the array of titles */
278 for( int i = 0; i < p_sys->i_titles; i++ )
279 vlc_input_title_Delete( p_sys->titles[i] );
280 TAB_CLEAN( p_sys->i_titles, p_sys->titles );
281
282 /* Close libdvdread */
283 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
284 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
285 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
286 DVDClose( p_sys->p_dvdread );
287
288 free( p_sys );
289 }
290
291 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
292 {
293 /* Macro to convert Binary Coded Decimal to Decimal */
294 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
295
296 double f_fps, f_ms;
297 int64_t i_micro_second = 0;
298
299 if (still_time == 0 || still_time == 0xFF)
300 {
301 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
302 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
303 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
304
305 switch((dtime->frame_u & 0xc0) >> 6)
306 {
307 case 1:
308 f_fps = 25.0;
309 break;
310 case 3:
311 f_fps = 29.97;
312 break;
313 default:
314 f_fps = 2500.0;
315 break;
316 }
317 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
318 i_micro_second += (int64_t)(f_ms * 1000.0);
319 }
320 else
321 {
322 i_micro_second = still_time;
323 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
324 }
325
326 return i_micro_second;
327 }
328
329 /*****************************************************************************
330 * Control:
331 *****************************************************************************/
332 static int Control( demux_t *p_demux, int i_query, va_list args )
333 {
334 demux_sys_t *p_sys = p_demux->p_sys;
335 double f, *pf;
336 bool *pb;
337 int64_t *pi64;
338 input_title_t ***ppp_title;
339 int *pi_int;
340 int i;
341
342 switch( i_query )
343 {
344 case DEMUX_GET_POSITION:
345 {
346 pf = va_arg( args, double * );
347
348 if( p_sys->i_title_blocks > 0 )
349 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
350 else
351 *pf = 0.0;
352
353 return VLC_SUCCESS;
354 }
355 case DEMUX_SET_POSITION:
356 {
357 f = va_arg( args, double );
358
359 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
360
361 return VLC_SUCCESS;
362 }
363 case DEMUX_GET_TIME:
364 pi64 = 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 p_sys->i_title_blocks * p_sys->i_title_offset;
369 return VLC_SUCCESS;
370 }
371 *pi64 = 0;
372 return VLC_EGENERIC;
373
374 case DEMUX_GET_LENGTH:
375 pi64 = va_arg( args, int64_t * );
376 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
377 {
378 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
379 return VLC_SUCCESS;
380 }
381 *pi64 = 0;
382 return VLC_EGENERIC;
383
384 /* Special for access_demux */
385 case DEMUX_CAN_PAUSE:
386 case DEMUX_CAN_SEEK:
387 case DEMUX_CAN_CONTROL_PACE:
388 /* TODO */
389 pb = va_arg( args, bool * );
390 *pb = true;
391 return VLC_SUCCESS;
392
393 case DEMUX_SET_PAUSE_STATE:
394 return VLC_SUCCESS;
395
396 case DEMUX_GET_TITLE_INFO:
397 ppp_title = va_arg( args, input_title_t *** );
398 pi_int = va_arg( args, int * );
399 *va_arg( args, int * ) = 1; /* Title offset */
400 *va_arg( args, int * ) = 1; /* Chapter offset */
401
402 /* Duplicate title infos */
403 *pi_int = p_sys->i_titles;
404 *ppp_title = malloc( p_sys->i_titles * sizeof(input_title_t *) );
405 for( i = 0; i < p_sys->i_titles; i++ )
406 {
407 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
408 }
409 return VLC_SUCCESS;
410
411 case DEMUX_SET_TITLE:
412 i = va_arg( args, int );
413 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
414 {
415 msg_Warn( p_demux, "cannot set title/chapter" );
416 return VLC_EGENERIC;
417 }
418 p_demux->info.i_update |=
419 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
420 p_demux->info.i_title = i;
421 p_demux->info.i_seekpoint = 0;
422 return VLC_SUCCESS;
423
424 case DEMUX_SET_SEEKPOINT:
425 i = va_arg( args, int );
426 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
427 {
428 msg_Warn( p_demux, "cannot set title/chapter" );
429 return VLC_EGENERIC;
430 }
431 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
432 p_demux->info.i_seekpoint = i;
433 return VLC_SUCCESS;
434
435 case DEMUX_GET_PTS_DELAY:
436 pi64 = va_arg( args, int64_t * );
437 *pi64 =
438 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
439 return VLC_SUCCESS;
440
441 /* TODO implement others */
442 default:
443 return VLC_EGENERIC;
444 }
445 }
446
447 /*****************************************************************************
448 * Demux:
449 *****************************************************************************/
450 static int Demux( demux_t *p_demux )
451 {
452 demux_sys_t *p_sys = p_demux->p_sys;
453
454 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
455 int i_blocks_once, i_read;
456
457 /*
458 * Playback by cell in this pgc, starting at the cell for our chapter.
459 */
460
461 /*
462 * Check end of pack, and select the following one
463 */
464 if( !p_sys->i_pack_len )
465 {
466 /* Read NAV packet */
467 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
468 1, p_buffer ) != 1 )
469 {
470 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
471 vlc_dialog_display_error( p_demux, _("Playback failure"),
472 _("DVDRead could not read block %d."),
473 p_sys->i_next_vobu );
474 return -1;
475 }
476
477 /* Basic check to be sure we don't have a empty title
478 * go to next title if so */
479 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
480
481 /* Parse the contained dsi packet */
482 DvdReadHandleDSI( p_demux, p_buffer );
483
484 /* End of title */
485 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
486 {
487 int k = p_sys->i_title;
488
489 /* Looking for a not broken title */
490 while( k < p_sys->i_titles && DvdReadSetArea( p_demux, ++k, 0, -1 ) != VLC_SUCCESS )
491 {
492 msg_Err(p_demux, "Failed next title, trying another: %i", k );
493 if( k >= p_sys->i_titles )
494 return 0; // EOF
495 }
496 }
497
498 if( p_sys->i_pack_len >= 1024 )
499 {
500 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
501 "This shouldn't happen!", p_sys->i_pack_len );
502 return 0; /* EOF */
503 }
504
505 /* FIXME: Ugly kludge: we send the pack block to the input for it
506 * sometimes has a zero scr and restart the sync */
507 p_sys->i_cur_block++;
508 p_sys->i_title_offset++;
509
510 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
511 }
512
513 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
514 {
515 int k = p_sys->i_title;
516
517 /* Looking for a not broken title */
518 while( k < p_sys->i_titles && DvdReadSetArea( p_demux, ++k, 0, -1 ) != VLC_SUCCESS )
519 {
520 msg_Err(p_demux, "Failed next title, trying another: %i", k );
521 if( k >= p_sys->i_titles )
522 return 0; // EOF
523 }
524 }
525
526 /*
527 * Read actual data
528 */
529 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
530 p_sys->i_pack_len -= i_blocks_once;
531
532 /* Reads from DVD */
533 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
534 i_blocks_once, p_buffer );
535 if( i_read != i_blocks_once )
536 {
537 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
538 i_read, i_blocks_once, p_sys->i_cur_block );
539 vlc_dialog_display_error( p_demux, _("Playback failure"),
540 _("DVDRead could not read %d/%d blocks at 0x%02x."),
541 i_read, i_blocks_once, p_sys->i_cur_block );
542 return -1;
543 }
544
545 p_sys->i_cur_block += i_read;
546 p_sys->i_title_offset += i_read;
547
548 #if 0
549 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
550 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
551 #endif
552
553 for( int i = 0; i < i_read; i++ )
554 {
555 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
556 DVD_VIDEO_LB_LEN );
557 }
558
559 #undef p_pgc
560
561 return 1;
562 }
563
564 /*****************************************************************************
565 * DemuxBlock: demux a given block
566 *****************************************************************************/
567 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
568 {
569 demux_sys_t *p_sys = p_demux->p_sys;
570
571 while( len > 0 )
572 {
573 int i_size = ps_pkt_size( p, len );
574 if( i_size <= 0 || i_size > len )
575 {
576 break;
577 }
578
579 /* Create a block */
580 block_t *p_pkt = block_Alloc( i_size );
581 memcpy( p_pkt->p_buffer, p, i_size);
582
583 /* Parse it and send it */
584 switch( 0x100 | p[3] )
585 {
586 case 0x1b9:
587 case 0x1bb:
588 case 0x1bc:
589
590 #ifdef DVDREAD_DEBUG
591 if( p[3] == 0xbc )
592 {
593 msg_Warn( p_demux, "received a PSM packet" );
594 }
595 else if( p[3] == 0xbb )
596 {
597 msg_Warn( p_demux, "received a SYSTEM packet" );
598 }
599 #endif
600 block_Release( p_pkt );
601 break;
602
603 case 0x1ba:
604 {
605 int64_t i_scr;
606 int i_mux_rate;
607 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
608 {
609 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
610 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
611 }
612 block_Release( p_pkt );
613 break;
614 }
615 default:
616 {
617 int i_id = ps_pkt_id( p_pkt );
618 if( i_id >= 0xc0 )
619 {
620 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
621
622 if( !tk->b_configured )
623 {
624 ESNew( p_demux, i_id, 0 );
625 }
626 if( tk->es &&
627 !ps_pkt_parse_pes( VLC_OBJECT(p_demux), p_pkt, tk->i_skip ) )
628 {
629 es_out_Send( p_demux->out, tk->es, p_pkt );
630 }
631 else
632 {
633 block_Release( p_pkt );
634 }
635 }
636 else
637 {
638 block_Release( p_pkt );
639 }
640 break;
641 }
642 }
643
644 p += i_size;
645 len -= i_size;
646 }
647
648 return VLC_SUCCESS;
649 }
650
651 /*****************************************************************************
652 * ESNew: register a new elementary stream
653 *****************************************************************************/
654 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
655 {
656 demux_sys_t *p_sys = p_demux->p_sys;
657 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
658 char psz_language[3];
659
660 if( tk->b_configured ) return;
661
662 if( ps_track_fill( tk, 0, i_id, NULL, true ) )
663 {
664 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
665 return;
666 }
667
668 psz_language[0] = psz_language[1] = psz_language[2] = 0;
669 if( i_lang && i_lang != 0xffff )
670 {
671 psz_language[0] = (i_lang >> 8)&0xff;
672 psz_language[1] = (i_lang )&0xff;
673 }
674
675 /* Add a new ES */
676 if( tk->fmt.i_cat == VIDEO_ES )
677 {
678 tk->fmt.video.i_sar_num = p_sys->i_sar_num;
679 tk->fmt.video.i_sar_den = p_sys->i_sar_den;
680 }
681 else if( tk->fmt.i_cat == AUDIO_ES )
682 {
683 #if 0
684 int i_audio = -1;
685 /* find the audio number PLEASE find another way */
686 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
687 {
688 i_audio = i_id&0x07;
689 }
690 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
691 {
692 i_audio = i_id&0xf;
693 }
694 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
695 {
696 i_audio = i_id&0x1f;
697 }
698 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
699 {
700 i_audio = i_id&0x1f;
701 }
702 #endif
703
704 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
705 }
706 else if( tk->fmt.i_cat == SPU_ES )
707 {
708 /* Palette */
709 tk->fmt.subs.spu.palette[0] = 0xBeef;
710 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
711 16 * sizeof( uint32_t ) );
712
713 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
714 }
715
716 tk->es = es_out_Add( p_demux->out, &tk->fmt );
717 tk->b_configured = true;
718 }
719
720 /*****************************************************************************
721 * DvdReadSetArea: initialize input data for title x, chapter y.
722 * It should be called for each user navigation request.
723 *****************************************************************************
724 * Take care that i_title and i_chapter start from 0.
725 *****************************************************************************/
726 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
727 int i_angle )
728 {
729 VLC_UNUSED( i_angle );
730
731 demux_sys_t *p_sys = p_demux->p_sys;
732 int pgc_id = 0, pgn = 0;
733
734 #define p_pgc p_sys->p_cur_pgc
735 #define p_vmg p_sys->p_vmg_file
736 #define p_vts p_sys->p_vts_file
737
738 if( i_title >= 0 && i_title < p_sys->i_titles &&
739 i_title != p_sys->i_title )
740 {
741 int i_start_cell, i_end_cell;
742
743 if( p_sys->p_title != NULL )
744 {
745 DVDCloseFile( p_sys->p_title );
746 p_sys->p_title = NULL;
747 }
748 if( p_vts != NULL ) ifoClose( p_vts );
749 p_sys->i_title = i_title;
750
751 /*
752 * We have to load all title information
753 */
754 msg_Dbg( p_demux, "open VTS %d, for title %d",
755 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
756
757 /* Ifo vts */
758 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
759 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
760 {
761 msg_Err( p_demux, "fatal error in vts ifo" );
762 return VLC_EGENERIC;
763 }
764
765 /* Title position inside the selected vts */
766 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
767
768 /* Find title start/end */
769 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
770 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
771 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
772
773 if( p_pgc->cell_playback == NULL )
774 {
775 msg_Err( p_demux, "Invalid PGC (cell_playback_offset)" );
776 return VLC_EGENERIC;
777 }
778
779 p_sys->i_title_start_cell =
780 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
781 p_sys->i_title_start_block =
782 p_pgc->cell_playback[i_start_cell].first_sector;
783
784 p_sys->i_title_end_cell =
785 i_end_cell = p_pgc->nr_of_cells - 1;
786 p_sys->i_title_end_block =
787 p_pgc->cell_playback[i_end_cell].last_sector;
788
789 p_sys->i_title_offset = 0;
790
791 p_sys->i_title_blocks = 0;
792 for( int i = i_start_cell; i <= i_end_cell; i++ )
793 {
794 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
795 p_pgc->cell_playback[i].first_sector + 1;
796 }
797
798 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
799 "start %d end %d blocks: %d",
800 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
801 p_sys->i_title_start_block, p_sys->i_title_end_block,
802 p_sys->i_title_blocks );
803
804 /*
805 * Set properties for current chapter
806 */
807 p_sys->i_chapter = 0;
808 p_sys->i_chapters =
809 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
810
811 pgc_id = p_vts->vts_ptt_srpt->title[
812 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
813 pgn = p_vts->vts_ptt_srpt->title[
814 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
815
816 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
817 p_sys->i_pack_len = 0;
818 p_sys->i_next_cell =
819 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
820 DvdReadFindCell( p_demux );
821
822 p_sys->i_next_vobu = p_sys->i_cur_block =
823 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
824
825 /*
826 * Angle management
827 */
828 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
829 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
830
831 /*
832 * We've got enough info, time to open the title set data.
833 */
834 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
835 p_vmg->tt_srpt->title[i_title].title_set_nr,
836 DVD_READ_TITLE_VOBS ) ) )
837 {
838 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
839 p_vmg->tt_srpt->title[i_title].title_set_nr );
840 return VLC_EGENERIC;
841 }
842
843 //IfoPrintTitle( p_demux );
844
845 /*
846 * Destroy obsolete ES by reinitializing program 0
847 * and find all ES in title with ifo data
848 */
849 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
850
851 for( int i = 0; i < PS_TK_COUNT; i++ )
852 {
853 ps_track_t *tk = &p_sys->tk[i];
854 if( tk->b_configured )
855 {
856 es_format_Clean( &tk->fmt );
857 if( tk->es ) es_out_Del( p_demux->out, tk->es );
858 }
859 tk->b_configured = false;
860 }
861
862 if( p_demux->info.i_title != i_title )
863 {
864 p_demux->info.i_update |=
865 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
866 p_demux->info.i_title = i_title;
867 p_demux->info.i_seekpoint = 0;
868 }
869
870 /* TODO: re-add angles */
871
872
873 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
874 const video_attr_t *p_attr = &p_vts->vtsi_mat->vts_video_attr;
875 int i_video_height = p_attr->video_format != 0 ? 576 : 480;
876 int i_video_width;
877 switch( p_attr->picture_size )
878 {
879 case 0:
880 i_video_width = 720;
881 break;
882 case 1:
883 i_video_width = 704;
884 break;
885 case 2:
886 i_video_width = 352;
887 break;
888 default:
889 case 3:
890 i_video_width = 352;
891 i_video_height /= 2;
892 break;
893 }
894 switch( p_attr->display_aspect_ratio )
895 {
896 case 0:
897 p_sys->i_sar_num = 4 * i_video_height;
898 p_sys->i_sar_den = 3 * i_video_width;
899 break;
900 case 3:
901 p_sys->i_sar_num = 16 * i_video_height;
902 p_sys->i_sar_den = 9 * i_video_width;
903 break;
904 default:
905 p_sys->i_sar_num = 0;
906 p_sys->i_sar_den = 0;
907 break;
908 }
909
910 #define audio_control \
911 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
912
913 /* Audio ES, in the order they appear in the .ifo */
914 for( int i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
915 {
916 int i_position = 0;
917 uint16_t i_id;
918
919 //IfoPrintAudio( p_demux, i );
920
921 /* Audio channel is active if first byte is 0x80 */
922 if( audio_control & 0x8000 )
923 {
924 i_position = ( audio_control & 0x7F00 ) >> 8;
925
926 msg_Dbg( p_demux, "audio position %d", i_position );
927 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
928 {
929 case 0x00: /* A52 */
930 i_id = (0x80 + i_position) | 0xbd00;
931 break;
932 case 0x02:
933 case 0x03: /* MPEG audio */
934 i_id = 0xc000 + i_position;
935 break;
936 case 0x04: /* LPCM */
937 i_id = (0xa0 + i_position) | 0xbd00;
938 break;
939 case 0x06: /* DTS */
940 i_id = (0x88 + i_position) | 0xbd00;
941 break;
942 default:
943 i_id = 0;
944 msg_Err( p_demux, "unknown audio type %.2x",
945 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
946 }
947
948 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
949 vts_audio_attr[i - 1].lang_code );
950 }
951 }
952 #undef audio_control
953
954 #define spu_palette \
955 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
956
957 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
958
959 #define spu_control \
960 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
961
962 /* Sub Picture ES */
963 for( int i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
964 {
965 int i_position = 0;
966 uint16_t i_id;
967
968 //IfoPrintSpu( p_sys, i );
969 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
970
971 if( spu_control & 0x80000000 )
972 {
973 /* there are several streams for one spu */
974 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
975 {
976 /* 16:9 */
977 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
978 {
979 case 1: /* letterbox */
980 i_position = spu_control & 0xff;
981 break;
982 case 2: /* pan&scan */
983 i_position = ( spu_control >> 8 ) & 0xff;
984 break;
985 default: /* widescreen */
986 i_position = ( spu_control >> 16 ) & 0xff;
987 break;
988 }
989 }
990 else
991 {
992 /* 4:3 */
993 i_position = ( spu_control >> 24 ) & 0x7F;
994 }
995
996 i_id = (0x20 + i_position) | 0xbd00;
997
998 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
999 vts_subp_attr[i - 1].lang_code );
1000 }
1001 }
1002 #undef spu_control
1003
1004 }
1005 else if( i_title != -1 && i_title != p_sys->i_title )
1006
1007 {
1008 return VLC_EGENERIC; /* Couldn't set title */
1009 }
1010
1011 /*
1012 * Chapter selection
1013 */
1014
1015 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
1016 {
1017 pgc_id = p_vts->vts_ptt_srpt->title[
1018 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1019 pgn = p_vts->vts_ptt_srpt->title[
1020 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1021
1022 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1023 if( p_pgc->cell_playback == NULL )
1024 return VLC_EGENERIC; /* Couldn't set chapter */
1025
1026 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1027 p_sys->i_chapter = i_chapter;
1028 DvdReadFindCell( p_demux );
1029
1030 p_sys->i_title_offset = 0;
1031 for( int i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1032 {
1033 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1034 p_pgc->cell_playback[i].first_sector + 1;
1035 }
1036
1037 p_sys->i_pack_len = 0;
1038 p_sys->i_next_vobu = p_sys->i_cur_block =
1039 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1040
1041 if( p_demux->info.i_seekpoint != i_chapter )
1042 {
1043 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1044 p_demux->info.i_seekpoint = i_chapter;
1045 }
1046 }
1047 else if( i_chapter != -1 )
1048
1049 {
1050 return VLC_EGENERIC; /* Couldn't set chapter */
1051 }
1052
1053 #undef p_pgc
1054 #undef p_vts
1055 #undef p_vmg
1056
1057 return VLC_SUCCESS;
1058 }
1059
1060 /*****************************************************************************
1061 * DvdReadSeek : Goes to a given position on the stream.
1062 *****************************************************************************
1063 * This one is used by the input and translate chronological position from
1064 * input to logical position on the device.
1065 *****************************************************************************/
1066 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1067 {
1068 demux_sys_t *p_sys = p_demux->p_sys;
1069 int i_chapter = 0;
1070 int i_cell = 0;
1071 int i_vobu = 0;
1072 int i_sub_cell = 0;
1073 int i_block;
1074
1075 #define p_pgc p_sys->p_cur_pgc
1076 #define p_vts p_sys->p_vts_file
1077
1078 /* Find cell */
1079 i_block = i_block_offset;
1080 for( i_cell = p_sys->i_title_start_cell;
1081 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1082 {
1083 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1084 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1085
1086 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1087 p_pgc->cell_playback[i_cell].first_sector + 1);
1088 }
1089 if( i_cell > p_sys->i_title_end_cell )
1090 {
1091 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1092 return;
1093 }
1094 i_block += p_pgc->cell_playback[i_cell].first_sector;
1095 p_sys->i_title_offset = i_block_offset;
1096
1097 /* Find chapter */
1098 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1099 {
1100 int pgc_id, pgn, i_tmp;
1101
1102 pgc_id = p_vts->vts_ptt_srpt->title[
1103 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1104 pgn = p_vts->vts_ptt_srpt->title[
1105 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1106
1107 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1108
1109 if( i_tmp > i_cell ) break;
1110 }
1111
1112 if( i_chapter < p_sys->i_chapters &&
1113 p_demux->info.i_seekpoint != i_chapter )
1114 {
1115 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1116 p_demux->info.i_seekpoint = i_chapter;
1117 }
1118
1119 /* Find vobu */
1120 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1121 {
1122 i_vobu++;
1123 }
1124
1125 /* Find sub_cell */
1126 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1127 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1128 {
1129 i_sub_cell++;
1130 }
1131
1132 #if 1
1133 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1134 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1135 i_cell, i_sub_cell, i_chapter, i_vobu,
1136 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1137 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1138 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1139 #endif
1140
1141 p_sys->i_cur_block = i_block;
1142 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1143 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1144 p_sys->i_cur_cell = i_cell;
1145 p_sys->i_chapter = i_chapter;
1146 DvdReadFindCell( p_demux );
1147
1148 #undef p_vts
1149 #undef p_pgc
1150
1151 return;
1152 }
1153
1154 /*****************************************************************************
1155 * DvdReadHandleDSI
1156 *****************************************************************************/
1157 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1158 {
1159 demux_sys_t *p_sys = p_demux->p_sys;
1160
1161 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1162
1163 /*
1164 * Determine where we go next. These values are the ones we mostly
1165 * care about.
1166 */
1167 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1168 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1169
1170 /*
1171 * Store the timecodes so we can get the current time
1172 */
1173 p_sys->i_title_cur_time = (mtime_t) p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000;
1174 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1175
1176 /*
1177 * If we're not at the end of this cell, we can determine the next
1178 * VOBU to display using the VOBU_SRI information section of the
1179 * DSI. Using this value correctly follows the current angle,
1180 * avoiding the doubled scenes in The Matrix, and makes our life
1181 * really happy.
1182 */
1183
1184 p_sys->i_next_vobu = p_sys->i_cur_block +
1185 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1186
1187 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1188 && p_sys->i_angle > 1 )
1189 {
1190 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1191 {
1192 case 0x4:
1193 /* Interleaved unit with no angle */
1194 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1195 {
1196 p_sys->i_next_vobu = p_sys->i_cur_block +
1197 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1198 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1199 }
1200 else
1201 {
1202 p_sys->i_next_vobu = p_sys->i_cur_block +
1203 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1204 }
1205 break;
1206 case 0x5:
1207 /* vobu is end of ilvu */
1208 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1209 {
1210 p_sys->i_next_vobu = p_sys->i_cur_block +
1211 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1212 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1213
1214 break;
1215 }
1216 case 0x6:
1217 /* vobu is beginning of ilvu */
1218 case 0x9:
1219 /* next scr is 0 */
1220 case 0xa:
1221 /* entering interleaved section */
1222 case 0x8:
1223 /* non interleaved cells in interleaved section */
1224 default:
1225 p_sys->i_next_vobu = p_sys->i_cur_block +
1226 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1227 break;
1228 }
1229 }
1230 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1231 {
1232 p_sys->i_cur_cell = p_sys->i_next_cell;
1233
1234 /* End of title */
1235 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1236
1237 DvdReadFindCell( p_demux );
1238
1239 p_sys->i_next_vobu =
1240 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1241
1242 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 );
1243 }
1244
1245
1246 #if 0
1247 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1248 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1249 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1250 p_sys->dsi_pack.dsi_gi.vobu_ea,
1251 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1252 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1253 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1254
1255 msg_Dbg( p_demux, "cell duration: %lld",
1256 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1257
1258 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1259 p_sys->dsi_pack.sml_pbi.category,
1260 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1261 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1262 p_sys->dsi_pack.sml_pbi.size );
1263
1264 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1265 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1266 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1267 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1268 #endif
1269 }
1270
1271 /*****************************************************************************
1272 * DvdReadFindCell
1273 *****************************************************************************/
1274 static void DvdReadFindCell( demux_t *p_demux )
1275 {
1276 demux_sys_t *p_sys = p_demux->p_sys;
1277
1278 pgc_t *p_pgc;
1279 int pgc_id, pgn;
1280 int i = 0;
1281
1282 #define cell p_sys->p_cur_pgc->cell_playback
1283
1284 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1285 {
1286 p_sys->i_cur_cell += p_sys->i_angle - 1;
1287
1288 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1289 {
1290 i++;
1291 }
1292 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1293 }
1294 else
1295 {
1296 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1297 }
1298
1299 #undef cell
1300
1301 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1302
1303 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1304 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1305 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1306 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1307 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1308
1309 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1310 {
1311 p_sys->i_chapter++;
1312
1313 if( p_sys->i_chapter < p_sys->i_chapters &&
1314 p_demux->info.i_seekpoint != p_sys->i_chapter )
1315 {
1316 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1317 p_demux->info.i_seekpoint = p_sys->i_chapter;
1318 }
1319 }
1320 }
1321
1322 /*****************************************************************************
1323 * DemuxTitles: get the titles/chapters structure
1324 *****************************************************************************/
1325 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1326 {
1327 VLC_UNUSED( pi_angle );
1328
1329 demux_sys_t *p_sys = p_demux->p_sys;
1330 input_title_t *t;
1331 seekpoint_t *s;
1332
1333 /* Find out number of titles/chapters */
1334 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1335
1336 int32_t i_titles = tt_srpt->nr_of_srpts;
1337 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1338
1339 for( int i = 0; i < i_titles; i++ )
1340 {
1341 int32_t i_chapters = 0;
1342 int j;
1343
1344 i_chapters = tt_srpt->title[i].nr_of_ptts;
1345 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1346
1347 t = vlc_input_title_New();
1348
1349 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1350 {
1351 s = vlc_seekpoint_New();
1352 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1353 }
1354
1355 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );
1356 }
1357
1358 #undef tt_srpt
1359 }
VLC Development tree mirror