Qt: do not show open options in both normal and advanced UI
[vlc.git] / modules / access / dvdread.c
blobd56527937f96c36a5019c173b0299b1979cb5f8f
1 /*****************************************************************************
2 * dvdread.c : DvdRead input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2006 the VideoLAN team
5 * $Id$
7 * Authors: Stéphane Borel <stef@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
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.
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.
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 *****************************************************************************/
25 /*****************************************************************************
26 * Preamble
27 *****************************************************************************/
29 #ifdef HAVE_CONFIG_H
30 # include "config.h"
31 #endif
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>
41 #include <vlc_iso_lang.h>
43 #include "../demux/ps.h"
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
49 #include <sys/types.h>
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>
57 #include <assert.h>
59 /*****************************************************************************
60 * Module descriptor
61 *****************************************************************************/
62 #define ANGLE_TEXT N_("DVD angle")
63 #define ANGLE_LONGTEXT N_( \
64 "Default DVD angle." )
66 static int Open ( vlc_object_t * );
67 static void Close( vlc_object_t * );
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 ()
82 /* how many blocks DVDRead will read in each loop */
83 #define DVD_BLOCK_READ_ONCE 4
85 /*****************************************************************************
86 * Local prototypes
87 *****************************************************************************/
89 struct demux_sys_t
91 /* DVDRead state */
92 dvd_reader_t *p_dvdread;
93 dvd_file_t *p_title;
95 ifo_handle_t *p_vmg_file;
96 ifo_handle_t *p_vts_file;
98 int i_title;
99 int i_chapter, i_chapters;
100 int i_angle, i_angles;
102 tt_srpt_t *p_tt_srpt;
103 pgc_t *p_cur_pgc;
104 dsi_t dsi_pack;
105 int i_ttn;
107 int i_pack_len;
108 int i_cur_block;
109 int i_next_vobu;
111 int i_mux_rate;
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;
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;
127 /* Track */
128 ps_track_t tk[PS_TK_COUNT];
130 int i_titles;
131 input_title_t **titles;
133 /* Video */
134 int i_sar_num;
135 int i_sar_den;
137 /* SPU */
138 uint32_t clut[16];
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 );
145 static void DemuxTitles( demux_t *, int * );
146 static void ESNew( demux_t *, int, int );
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 * );
153 /*****************************************************************************
154 * Open:
155 *****************************************************************************/
156 static int Open( vlc_object_t *p_this )
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;
163 if( !p_demux->psz_file || !*p_demux->psz_file )
165 /* Only when selected */
166 if( !p_demux->psz_access || !*p_demux->psz_access )
167 return VLC_EGENERIC;
169 psz_file = var_InheritString( p_this, "dvd" );
171 else
172 psz_file = strdup( p_demux->psz_file );
174 #if defined( WIN32 ) || defined( __OS2__ )
175 if( psz_file != NULL )
177 size_t flen = strlen( psz_file );
178 if( flen > 0 && psz_file[flen - 1] == '\\' )
179 psz_file[flen - 1] = '\0';
181 else
182 psz_file = strdup("");
183 #endif
184 if( unlikely(psz_file == NULL) )
185 return VLC_EGENERIC;
187 /* Open dvdread */
188 const char *psz_path = ToLocale( psz_file );
189 dvd_reader_t *p_dvdread = DVDOpen( psz_path );
191 LocaleFree( psz_path );
192 if( p_dvdread == NULL )
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;
200 free( psz_file );
202 /* Ifo allocation & initialisation */
203 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
205 msg_Warn( p_demux, "cannot open VMG info" );
206 return VLC_EGENERIC;
208 msg_Dbg( p_demux, "VMG opened" );
210 /* Fill p_demux field */
211 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
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;
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;
225 p_sys->i_title = p_sys->i_chapter = -1;
226 p_sys->i_mux_rate = 0;
228 p_sys->i_angle = var_CreateGetInteger( p_demux, "dvdread-angle" );
229 if( p_sys->i_angle <= 0 ) p_sys->i_angle = 1;
231 DemuxTitles( p_demux, &p_sys->i_angle );
232 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
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;
240 return VLC_SUCCESS;
243 /*****************************************************************************
244 * Close:
245 *****************************************************************************/
246 static void Close( vlc_object_t *p_this )
248 demux_t *p_demux = (demux_t*)p_this;
249 demux_sys_t *p_sys = p_demux->p_sys;
250 int i;
252 for( i = 0; i < PS_TK_COUNT; i++ )
254 ps_track_t *tk = &p_sys->tk[i];
255 if( tk->b_seen )
257 es_format_Clean( &tk->fmt );
258 if( tk->es ) es_out_Del( p_demux->out, tk->es );
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 );
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 );
273 free( p_sys );
276 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
278 /* Macro to convert Binary Coded Decimal to Decimal */
279 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
281 double f_fps, f_ms;
282 int64_t i_micro_second = 0;
284 if (still_time == 0 || still_time == 0xFF)
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;
290 switch((dtime->frame_u & 0xc0) >> 6)
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;
302 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
303 i_micro_second += (int64_t)(f_ms * 1000.0);
305 else
307 i_micro_second = still_time;
308 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
311 return i_micro_second;
314 /*****************************************************************************
315 * Control:
316 *****************************************************************************/
317 static int Control( demux_t *p_demux, int i_query, va_list args )
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;
327 switch( i_query )
329 case DEMUX_GET_POSITION:
331 pf = (double*) va_arg( args, double* );
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;
338 return VLC_SUCCESS;
340 case DEMUX_SET_POSITION:
342 f = (double)va_arg( args, double );
344 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
346 return VLC_SUCCESS;
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 )
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;
356 *pi64 = 0;
357 return VLC_EGENERIC;
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 )
363 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
364 return VLC_SUCCESS;
366 *pi64 = 0;
367 return VLC_EGENERIC;
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;
378 case DEMUX_SET_PAUSE_STATE:
379 return VLC_SUCCESS;
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 */
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++ )
392 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
394 return VLC_SUCCESS;
396 case DEMUX_SET_TITLE:
397 i = (int)va_arg( args, int );
398 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
400 msg_Warn( p_demux, "cannot set title/chapter" );
401 return VLC_EGENERIC;
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;
409 case DEMUX_SET_SEEKPOINT:
410 i = (int)va_arg( args, int );
411 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
413 msg_Warn( p_demux, "cannot set title/chapter" );
414 return VLC_EGENERIC;
416 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
417 p_demux->info.i_seekpoint = i;
418 return VLC_SUCCESS;
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;
426 /* TODO implement others */
427 default:
428 return VLC_EGENERIC;
432 /*****************************************************************************
433 * Demux:
434 *****************************************************************************/
435 static int Demux( demux_t *p_demux )
437 demux_sys_t *p_sys = p_demux->p_sys;
439 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
440 int i_blocks_once, i_read;
441 int i;
444 * Playback by cell in this pgc, starting at the cell for our chapter.
448 * Check end of pack, and select the following one
450 if( !p_sys->i_pack_len )
452 /* Read NAV packet */
453 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
454 1, p_buffer ) != 1 )
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;
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 );
467 /* Parse the contained dsi packet */
468 DvdReadHandleDSI( p_demux, p_buffer );
470 /* End of title */
471 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
473 if( p_sys->i_title + 1 >= p_sys->i_titles )
475 return 0; /* EOF */
478 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
481 if( p_sys->i_pack_len >= 1024 )
483 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
484 "This shouldn't happen!", p_sys->i_pack_len );
485 return 0; /* EOF */
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++;
493 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
496 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
498 if( p_sys->i_title + 1 >= p_sys->i_titles )
500 return 0; /* EOF */
503 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
507 * Read actual data
509 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
510 p_sys->i_pack_len -= i_blocks_once;
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 )
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;
525 p_sys->i_cur_block += i_read;
526 p_sys->i_title_offset += i_read;
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
533 for( i = 0; i < i_read; i++ )
535 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
536 DVD_VIDEO_LB_LEN );
539 #undef p_pgc
541 return 1;
544 /*****************************************************************************
545 * DemuxBlock: demux a given block
546 *****************************************************************************/
547 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
549 demux_sys_t *p_sys = p_demux->p_sys;
551 while( len > 0 )
553 int i_size = ps_pkt_size( p, len );
554 if( i_size <= 0 || i_size > len )
556 break;
559 /* Create a block */
560 block_t *p_pkt = block_New( p_demux, i_size );
561 memcpy( p_pkt->p_buffer, p, i_size);
563 /* Parse it and send it */
564 switch( 0x100 | p[3] )
566 case 0x1b9:
567 case 0x1bb:
568 case 0x1bc:
570 #ifdef DVDREAD_DEBUG
571 if( p[3] == 0xbc )
573 msg_Warn( p_demux, "received a PSM packet" );
575 else if( p[3] == 0xbb )
577 msg_Warn( p_demux, "received a SYSTEM packet" );
579 #endif
580 block_Release( p_pkt );
581 break;
583 case 0x1ba:
585 int64_t i_scr;
586 int i_mux_rate;
587 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
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;
592 block_Release( p_pkt );
593 break;
595 default:
597 int i_id = ps_pkt_id( p_pkt );
598 if( i_id >= 0xc0 )
600 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
602 if( !tk->b_seen )
604 ESNew( p_demux, i_id, 0 );
606 if( tk->b_seen && tk->es &&
607 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
609 es_out_Send( p_demux->out, tk->es, p_pkt );
611 else
613 block_Release( p_pkt );
616 else
618 block_Release( p_pkt );
620 break;
624 p += i_size;
625 len -= i_size;
628 return VLC_SUCCESS;
631 /*****************************************************************************
632 * ESNew: register a new elementary stream
633 *****************************************************************************/
634 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
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];
640 if( tk->b_seen ) return;
642 if( ps_track_fill( tk, 0, i_id ) )
644 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
645 return;
648 psz_language[0] = psz_language[1] = psz_language[2] = 0;
649 if( i_lang && i_lang != 0xffff )
651 psz_language[0] = (i_lang >> 8)&0xff;
652 psz_language[1] = (i_lang )&0xff;
655 /* Add a new ES */
656 if( tk->fmt.i_cat == VIDEO_ES )
658 tk->fmt.video.i_sar_num = p_sys->i_sar_num;
659 tk->fmt.video.i_sar_den = p_sys->i_sar_den;
661 else if( tk->fmt.i_cat == AUDIO_ES )
663 #if 0
664 int i_audio = -1;
665 /* find the audio number PLEASE find another way */
666 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
668 i_audio = i_id&0x07;
670 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
672 i_audio = i_id&0xf;
674 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
676 i_audio = i_id&0x1f;
678 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
680 i_audio = i_id&0x1f;
682 #endif
684 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
686 else if( tk->fmt.i_cat == SPU_ES )
688 /* Palette */
689 tk->fmt.subs.spu.palette[0] = 0xBeef;
690 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
691 16 * sizeof( uint32_t ) );
693 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
696 tk->es = es_out_Add( p_demux->out, &tk->fmt );
697 tk->b_seen = true;
700 /*****************************************************************************
701 * DvdReadSetArea: initialize input data for title x, chapter y.
702 * It should be called for each user navigation request.
703 *****************************************************************************
704 * Take care that i_title and i_chapter start from 0.
705 *****************************************************************************/
706 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
707 int i_angle )
709 VLC_UNUSED( i_angle );
711 demux_sys_t *p_sys = p_demux->p_sys;
712 int pgc_id = 0, pgn = 0;
713 int i;
715 #define p_pgc p_sys->p_cur_pgc
716 #define p_vmg p_sys->p_vmg_file
717 #define p_vts p_sys->p_vts_file
719 if( i_title >= 0 && i_title < p_sys->i_titles &&
720 i_title != p_sys->i_title )
722 int i_start_cell, i_end_cell;
724 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
725 if( p_vts != NULL ) ifoClose( p_vts );
726 p_sys->i_title = i_title;
729 * We have to load all title information
731 msg_Dbg( p_demux, "open VTS %d, for title %d",
732 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
734 /* Ifo vts */
735 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
736 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
738 msg_Err( p_demux, "fatal error in vts ifo" );
739 return VLC_EGENERIC;
742 /* Title position inside the selected vts */
743 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
745 /* Find title start/end */
746 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
747 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
748 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
750 p_sys->i_title_start_cell =
751 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
752 p_sys->i_title_start_block =
753 p_pgc->cell_playback[i_start_cell].first_sector;
755 p_sys->i_title_end_cell =
756 i_end_cell = p_pgc->nr_of_cells - 1;
757 p_sys->i_title_end_block =
758 p_pgc->cell_playback[i_end_cell].last_sector;
760 p_sys->i_title_offset = 0;
762 p_sys->i_title_blocks = 0;
763 for( i = i_start_cell; i <= i_end_cell; i++ )
765 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
766 p_pgc->cell_playback[i].first_sector + 1;
769 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
770 "start %d end %d blocks: %d",
771 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
772 p_sys->i_title_start_block, p_sys->i_title_end_block,
773 p_sys->i_title_blocks );
776 * Set properties for current chapter
778 p_sys->i_chapter = 0;
779 p_sys->i_chapters =
780 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
782 pgc_id = p_vts->vts_ptt_srpt->title[
783 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
784 pgn = p_vts->vts_ptt_srpt->title[
785 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
787 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
788 p_sys->i_pack_len = 0;
789 p_sys->i_next_cell =
790 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
791 DvdReadFindCell( p_demux );
793 p_sys->i_next_vobu = p_sys->i_cur_block =
794 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
797 * Angle management
799 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
800 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
803 * We've got enough info, time to open the title set data.
805 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
806 p_vmg->tt_srpt->title[i_title].title_set_nr,
807 DVD_READ_TITLE_VOBS ) ) )
809 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
810 p_vmg->tt_srpt->title[i_title].title_set_nr );
811 return VLC_EGENERIC;
814 //IfoPrintTitle( p_demux );
817 * Destroy obsolete ES by reinitializing program 0
818 * and find all ES in title with ifo data
820 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
822 for( i = 0; i < PS_TK_COUNT; i++ )
824 ps_track_t *tk = &p_sys->tk[i];
825 if( tk->b_seen )
827 es_format_Clean( &tk->fmt );
828 if( tk->es ) es_out_Del( p_demux->out, tk->es );
830 tk->b_seen = false;
833 if( p_demux->info.i_title != i_title )
835 p_demux->info.i_update |=
836 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
837 p_demux->info.i_title = i_title;
838 p_demux->info.i_seekpoint = 0;
841 /* TODO: re-add angles */
844 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
845 const video_attr_t *p_attr = &p_vts->vtsi_mat->vts_video_attr;
846 int i_video_height = p_attr->video_format != 0 ? 576 : 480;
847 int i_video_width;
848 switch( p_attr->picture_size )
850 case 0:
851 i_video_width = 720;
852 break;
853 case 1:
854 i_video_width = 704;
855 break;
856 case 2:
857 i_video_width = 352;
858 break;
859 default:
860 case 3:
861 i_video_width = 352;
862 i_video_height /= 2;
863 break;
865 switch( p_attr->display_aspect_ratio )
867 case 0:
868 p_sys->i_sar_num = 4 * i_video_height;
869 p_sys->i_sar_den = 3 * i_video_width;
870 break;
871 case 3:
872 p_sys->i_sar_num = 16 * i_video_height;
873 p_sys->i_sar_den = 9 * i_video_width;
874 break;
875 default:
876 p_sys->i_sar_num = 0;
877 p_sys->i_sar_den = 0;
878 break;
881 #define audio_control \
882 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
884 /* Audio ES, in the order they appear in the .ifo */
885 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
887 int i_position = 0;
888 uint16_t i_id;
890 //IfoPrintAudio( p_demux, i );
892 /* Audio channel is active if first byte is 0x80 */
893 if( audio_control & 0x8000 )
895 i_position = ( audio_control & 0x7F00 ) >> 8;
897 msg_Dbg( p_demux, "audio position %d", i_position );
898 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
900 case 0x00: /* A52 */
901 i_id = (0x80 + i_position) | 0xbd00;
902 break;
903 case 0x02:
904 case 0x03: /* MPEG audio */
905 i_id = 0xc000 + i_position;
906 break;
907 case 0x04: /* LPCM */
908 i_id = (0xa0 + i_position) | 0xbd00;
909 break;
910 case 0x06: /* DTS */
911 i_id = (0x88 + i_position) | 0xbd00;
912 break;
913 default:
914 i_id = 0;
915 msg_Err( p_demux, "unknown audio type %.2x",
916 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
919 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
920 vts_audio_attr[i - 1].lang_code );
923 #undef audio_control
925 #define spu_palette \
926 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
928 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
930 #define spu_control \
931 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
933 /* Sub Picture ES */
934 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
936 int i_position = 0;
937 uint16_t i_id;
939 //IfoPrintSpu( p_sys, i );
940 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
942 if( spu_control & 0x80000000 )
944 /* there are several streams for one spu */
945 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
947 /* 16:9 */
948 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
950 case 1: /* letterbox */
951 i_position = spu_control & 0xff;
952 break;
953 case 2: /* pan&scan */
954 i_position = ( spu_control >> 8 ) & 0xff;
955 break;
956 default: /* widescreen */
957 i_position = ( spu_control >> 16 ) & 0xff;
958 break;
961 else
963 /* 4:3 */
964 i_position = ( spu_control >> 24 ) & 0x7F;
967 i_id = (0x20 + i_position) | 0xbd00;
969 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
970 vts_subp_attr[i - 1].lang_code );
973 #undef spu_control
976 else if( i_title != -1 && i_title != p_sys->i_title )
979 return VLC_EGENERIC; /* Couldn't set title */
983 * Chapter selection
986 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
988 pgc_id = p_vts->vts_ptt_srpt->title[
989 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
990 pgn = p_vts->vts_ptt_srpt->title[
991 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
993 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
995 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
996 p_sys->i_chapter = i_chapter;
997 DvdReadFindCell( p_demux );
999 p_sys->i_title_offset = 0;
1000 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1002 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1003 p_pgc->cell_playback[i].first_sector + 1;
1006 p_sys->i_pack_len = 0;
1007 p_sys->i_next_vobu = p_sys->i_cur_block =
1008 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1010 if( p_demux->info.i_seekpoint != i_chapter )
1012 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1013 p_demux->info.i_seekpoint = i_chapter;
1016 else if( i_chapter != -1 )
1019 return VLC_EGENERIC; /* Couldn't set chapter */
1022 #undef p_pgc
1023 #undef p_vts
1024 #undef p_vmg
1026 return VLC_SUCCESS;
1029 /*****************************************************************************
1030 * DvdReadSeek : Goes to a given position on the stream.
1031 *****************************************************************************
1032 * This one is used by the input and translate chronological position from
1033 * input to logical position on the device.
1034 *****************************************************************************/
1035 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1037 demux_sys_t *p_sys = p_demux->p_sys;
1038 int i_chapter = 0;
1039 int i_cell = 0;
1040 int i_vobu = 0;
1041 int i_sub_cell = 0;
1042 int i_block;
1044 #define p_pgc p_sys->p_cur_pgc
1045 #define p_vts p_sys->p_vts_file
1047 /* Find cell */
1048 i_block = i_block_offset;
1049 for( i_cell = p_sys->i_title_start_cell;
1050 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1052 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1053 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1055 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1056 p_pgc->cell_playback[i_cell].first_sector + 1);
1058 if( i_cell > p_sys->i_title_end_cell )
1060 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1061 return;
1063 i_block += p_pgc->cell_playback[i_cell].first_sector;
1064 p_sys->i_title_offset = i_block_offset;
1066 /* Find chapter */
1067 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1069 int pgc_id, pgn, i_tmp;
1071 pgc_id = p_vts->vts_ptt_srpt->title[
1072 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1073 pgn = p_vts->vts_ptt_srpt->title[
1074 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1076 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1078 if( i_tmp > i_cell ) break;
1081 if( i_chapter < p_sys->i_chapters &&
1082 p_demux->info.i_seekpoint != i_chapter )
1084 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1085 p_demux->info.i_seekpoint = i_chapter;
1088 /* Find vobu */
1089 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1091 i_vobu++;
1094 /* Find sub_cell */
1095 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1096 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1098 i_sub_cell++;
1101 #if 1
1102 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1103 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1104 i_cell, i_sub_cell, i_chapter, i_vobu,
1105 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1106 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1107 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1108 #endif
1110 p_sys->i_cur_block = i_block;
1111 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1112 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1113 p_sys->i_cur_cell = i_cell;
1114 p_sys->i_chapter = i_chapter;
1115 DvdReadFindCell( p_demux );
1117 #undef p_vts
1118 #undef p_pgc
1120 return;
1123 /*****************************************************************************
1124 * DvdReadHandleDSI
1125 *****************************************************************************/
1126 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1128 demux_sys_t *p_sys = p_demux->p_sys;
1130 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1133 * Determine where we go next. These values are the ones we mostly
1134 * care about.
1136 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1137 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1140 * Store the timecodes so we can get the current time
1142 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1143 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1146 * If we're not at the end of this cell, we can determine the next
1147 * VOBU to display using the VOBU_SRI information section of the
1148 * DSI. Using this value correctly follows the current angle,
1149 * avoiding the doubled scenes in The Matrix, and makes our life
1150 * really happy.
1153 p_sys->i_next_vobu = p_sys->i_cur_block +
1154 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1156 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1157 && p_sys->i_angle > 1 )
1159 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1161 case 0x4:
1162 /* Interleaved unit with no angle */
1163 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1165 p_sys->i_next_vobu = p_sys->i_cur_block +
1166 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1167 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1169 else
1171 p_sys->i_next_vobu = p_sys->i_cur_block +
1172 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1174 break;
1175 case 0x5:
1176 /* vobu is end of ilvu */
1177 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1179 p_sys->i_next_vobu = p_sys->i_cur_block +
1180 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1181 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1183 break;
1185 case 0x6:
1186 /* vobu is beginning of ilvu */
1187 case 0x9:
1188 /* next scr is 0 */
1189 case 0xa:
1190 /* entering interleaved section */
1191 case 0x8:
1192 /* non interleaved cells in interleaved section */
1193 default:
1194 p_sys->i_next_vobu = p_sys->i_cur_block +
1195 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1196 break;
1199 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1201 p_sys->i_cur_cell = p_sys->i_next_cell;
1203 /* End of title */
1204 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1206 DvdReadFindCell( p_demux );
1208 p_sys->i_next_vobu =
1209 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1211 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 );
1215 #if 0
1216 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1217 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1218 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1219 p_sys->dsi_pack.dsi_gi.vobu_ea,
1220 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1221 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1222 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1224 msg_Dbg( p_demux, "cell duration: %lld",
1225 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1227 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1228 p_sys->dsi_pack.sml_pbi.category,
1229 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1230 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1231 p_sys->dsi_pack.sml_pbi.size );
1233 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1234 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1235 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1236 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1237 #endif
1240 /*****************************************************************************
1241 * DvdReadFindCell
1242 *****************************************************************************/
1243 static void DvdReadFindCell( demux_t *p_demux )
1245 demux_sys_t *p_sys = p_demux->p_sys;
1247 pgc_t *p_pgc;
1248 int pgc_id, pgn;
1249 int i = 0;
1251 #define cell p_sys->p_cur_pgc->cell_playback
1253 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1255 p_sys->i_cur_cell += p_sys->i_angle - 1;
1257 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1259 i++;
1261 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1263 else
1265 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1268 #undef cell
1270 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1272 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1273 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1274 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1275 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1276 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1278 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1280 p_sys->i_chapter++;
1282 if( p_sys->i_chapter < p_sys->i_chapters &&
1283 p_demux->info.i_seekpoint != p_sys->i_chapter )
1285 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1286 p_demux->info.i_seekpoint = p_sys->i_chapter;
1291 /*****************************************************************************
1292 * DemuxTitles: get the titles/chapters structure
1293 *****************************************************************************/
1294 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1296 VLC_UNUSED( pi_angle );
1298 demux_sys_t *p_sys = p_demux->p_sys;
1299 input_title_t *t;
1300 seekpoint_t *s;
1302 /* Find out number of titles/chapters */
1303 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1305 int32_t i_titles = tt_srpt->nr_of_srpts;
1306 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1308 for( int i = 0; i < i_titles; i++ )
1310 int32_t i_chapters = 0;
1311 int j;
1313 i_chapters = tt_srpt->title[i].nr_of_ptts;
1314 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1316 t = vlc_input_title_New();
1318 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1320 s = vlc_seekpoint_New();
1321 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1324 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );
1327 #undef tt_srpt