1 /*****************************************************************************
2 * dvdread.c : DvdRead input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2006 the VideoLAN team
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 /*****************************************************************************
27 *****************************************************************************/
34 #include <vlc_input.h>
35 #include <vlc_access.h>
37 #include <vlc_interface.h>
41 #include "../demux/ps.h"
48 #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 /*****************************************************************************
59 *****************************************************************************/
60 #define ANGLE_TEXT N_("DVD angle")
61 #define ANGLE_LONGTEXT N_( \
62 "Default DVD angle." )
64 #define CACHING_TEXT N_("Caching value in ms")
65 #define CACHING_LONGTEXT N_( \
66 "Caching value for DVDs. " \
67 "This value should be set in milliseconds." )
69 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
70 #define CSSMETHOD_LONGTEXT N_( \
71 "Set the method used by libdvdcss for key decryption.\n" \
72 "title: decrypted title key is guessed from the encrypted sectors of " \
73 "the stream. Thus it should work with a file as well as the " \
74 "DVD device. But it sometimes takes much time to decrypt a title " \
75 "key and may even fail. With this method, the key is only checked "\
76 "at the beginning of each title, so it won't work if the key " \
77 "changes in the middle of a title.\n" \
78 "disc: the disc key is first cracked, then all title keys can be " \
79 "decrypted instantly, which allows us to check them often.\n" \
80 "key: the same as \"disc\" if you don't have a file with player keys " \
81 "at compilation time. If you do, the decryption of the disc key " \
82 "will be faster with this method. It is the one that was used by " \
84 "The default method is: key.")
86 static const char *psz_css_list[] = { "title", "disc", "key" };
87 static const char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
89 static int Open ( vlc_object_t * );
90 static void Close( vlc_object_t * );
93 set_shortname( _("DVD without menus") );
94 set_description( _("DVDRead Input (DVD without menu support)") );
95 set_category( CAT_INPUT );
96 set_subcategory( SUBCAT_INPUT_ACCESS );
97 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
98 ANGLE_LONGTEXT, VLC_FALSE );
99 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
100 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
101 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
102 CSSMETHOD_LONGTEXT, VLC_TRUE );
103 change_string_list( psz_css_list, psz_css_list_text, 0 );
104 set_capability( "access_demux", 0 );
105 add_shortcut( "dvd" );
106 add_shortcut( "dvdread" );
107 add_shortcut( "dvdsimple" );
108 set_callbacks( Open, Close );
111 /* how many blocks DVDRead will read in each loop */
112 #define DVD_BLOCK_READ_ONCE 4
114 /*****************************************************************************
116 *****************************************************************************/
121 dvd_reader_t *p_dvdread;
124 ifo_handle_t *p_vmg_file;
125 ifo_handle_t *p_vts_file;
128 int i_chapter, i_chapters;
129 int i_angle, i_angles;
131 tt_srpt_t *p_tt_srpt;
142 /* Current title start/end blocks */
143 int i_title_start_block;
144 int i_title_end_block;
147 mtime_t i_title_cur_time;
149 int i_title_start_cell;
150 int i_title_end_cell;
153 mtime_t i_cell_cur_time;
154 mtime_t i_cell_duration;
157 ps_track_t tk[PS_TK_COUNT];
160 input_title_t **titles;
169 static int Control ( demux_t *, int, va_list );
170 static int Demux ( demux_t * );
171 static int DemuxBlock( demux_t *, uint8_t *, int );
173 static void DemuxTitles( demux_t *, int * );
174 static void ESNew( demux_t *, int, int );
176 static int DvdReadSetArea ( demux_t *, int, int, int );
177 static void DvdReadSeek ( demux_t *, int );
178 static void DvdReadHandleDSI( demux_t *, uint8_t * );
179 static void DvdReadFindCell ( demux_t * );
181 /*****************************************************************************
183 *****************************************************************************/
184 static int Open( vlc_object_t *p_this )
186 demux_t *p_demux = (demux_t*)p_this;
189 char *psz_dvdcss_env;
190 dvd_reader_t *p_dvdread;
191 ifo_handle_t *p_vmg_file;
194 if( !p_demux->psz_path || !*p_demux->psz_path )
196 /* Only when selected */
197 if( !p_this->b_force ) return VLC_EGENERIC;
199 psz_name = var_CreateGetString( p_this, "dvd" );
202 psz_name = strdup("");
206 psz_name = strdup( p_demux->psz_path );
209 if( psz_name[0] && psz_name[1] == ':' &&
210 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
213 /* Override environment variable DVDCSS_METHOD with config option
214 * (FIXME: this creates a small memory leak) */
215 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
216 if( psz_dvdcss_env && *psz_dvdcss_env )
220 psz_env = malloc( strlen("DVDCSS_METHOD=") +
221 strlen( psz_dvdcss_env ) + 1 );
224 free( psz_dvdcss_env );
228 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
232 free( psz_dvdcss_env );
235 if( !(p_dvdread = DVDOpen( psz_name )) )
237 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
238 intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
239 _("DVDRead could not open the disk \"%s\"."), psz_name );
245 /* Ifo allocation & initialisation */
246 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
248 msg_Warn( p_demux, "cannot open VMG info" );
251 msg_Dbg( p_demux, "VMG opened" );
253 /* Fill p_demux field */
254 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
256 ps_track_init( p_sys->tk );
257 p_sys->i_aspect = -1;
258 p_sys->i_title_cur_time = (mtime_t) 0;
259 p_sys->i_cell_cur_time = (mtime_t) 0;
260 p_sys->i_cell_duration = (mtime_t) 0;
262 p_sys->p_dvdread = p_dvdread;
263 p_sys->p_vmg_file = p_vmg_file;
264 p_sys->p_title = NULL;
265 p_sys->p_vts_file = NULL;
267 p_sys->i_title = p_sys->i_chapter = -1;
268 p_sys->i_mux_rate = 0;
270 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
271 var_Get( p_demux, "dvdread-angle", &val );
272 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
274 DemuxTitles( p_demux, &p_sys->i_angle );
275 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
278 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
283 /* Update default_pts to a suitable value for dvdread access */
284 var_Create( p_demux, "dvdread-caching",
285 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
290 /*****************************************************************************
292 *****************************************************************************/
293 static void Close( vlc_object_t *p_this )
295 demux_t *p_demux = (demux_t*)p_this;
296 demux_sys_t *p_sys = p_demux->p_sys;
299 for( i = 0; i < PS_TK_COUNT; i++ )
301 ps_track_t *tk = &p_sys->tk[i];
304 es_format_Clean( &tk->fmt );
305 if( tk->es ) es_out_Del( p_demux->out, tk->es );
309 /* Close libdvdread */
310 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
311 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
312 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
313 DVDClose( p_sys->p_dvdread );
318 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
320 /* Macro to convert Binary Coded Decimal to Decimal */
321 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
324 int64_t i_micro_second = 0;
326 if (still_time == 0 || still_time == 0xFF)
328 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
329 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
330 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
332 switch((dtime->frame_u & 0xc0) >> 6)
344 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
345 i_micro_second += (int64_t)(f_ms * 1000.0);
349 i_micro_second = still_time;
350 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
353 return i_micro_second;
356 /*****************************************************************************
358 *****************************************************************************/
359 static int Control( demux_t *p_demux, int i_query, va_list args )
361 demux_sys_t *p_sys = p_demux->p_sys;
365 input_title_t ***ppp_title;
371 case DEMUX_GET_POSITION:
373 pf = (double*) va_arg( args, double* );
375 if( p_sys->i_title_blocks > 0 )
376 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
382 case DEMUX_SET_POSITION:
384 f = (double)va_arg( args, double );
386 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
391 pi64 = (int64_t*)va_arg( args, int64_t * );
392 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
394 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
395 p_sys->i_title_blocks * p_sys->i_title_offset;
401 case DEMUX_GET_LENGTH:
402 pi64 = (int64_t*)va_arg( args, int64_t * );
403 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
405 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
411 /* Special for access_demux */
412 case DEMUX_CAN_PAUSE:
414 case DEMUX_CAN_CONTROL_PACE:
416 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
420 case DEMUX_SET_PAUSE_STATE:
423 case DEMUX_GET_TITLE_INFO:
424 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
425 pi_int = (int*)va_arg( args, int* );
426 *((int*)va_arg( args, int* )) = 1; /* Title offset */
427 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
429 /* Duplicate title infos */
430 *pi_int = p_sys->i_titles;
431 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
432 for( i = 0; i < p_sys->i_titles; i++ )
434 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
438 case DEMUX_SET_TITLE:
439 i = (int)va_arg( args, int );
440 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
442 msg_Warn( p_demux, "cannot set title/chapter" );
445 p_demux->info.i_update |=
446 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
447 p_demux->info.i_title = i;
448 p_demux->info.i_seekpoint = 0;
451 case DEMUX_SET_SEEKPOINT:
452 i = (int)va_arg( args, int );
453 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
455 msg_Warn( p_demux, "cannot set title/chapter" );
458 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
459 p_demux->info.i_seekpoint = i;
462 case DEMUX_GET_PTS_DELAY:
463 pi64 = (int64_t*)va_arg( args, int64_t * );
464 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
467 /* TODO implement others */
473 /*****************************************************************************
475 *****************************************************************************/
476 static int Demux( demux_t *p_demux )
478 demux_sys_t *p_sys = p_demux->p_sys;
480 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
481 int i_blocks_once, i_read;
485 * Playback by cell in this pgc, starting at the cell for our chapter.
489 * Check end of pack, and select the following one
491 if( !p_sys->i_pack_len )
493 /* Read NAV packet */
494 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
497 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
498 intf_UserWarn( p_demux, _("Playback failure"),
499 _("DVDRead could not read block %d."),
500 p_sys->i_next_vobu );
504 /* Basic check to be sure we don't have a empty title
505 * go to next title if so */
506 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
508 /* Parse the contained dsi packet */
509 DvdReadHandleDSI( p_demux, p_buffer );
512 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
514 if( p_sys->i_title + 1 >= p_sys->i_titles )
519 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
522 if( p_sys->i_pack_len >= 1024 )
524 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
525 "This shouldn't happen!", p_sys->i_pack_len );
529 /* FIXME: Ugly kludge: we send the pack block to the input for it
530 * sometimes has a zero scr and restart the sync */
531 p_sys->i_cur_block++;
532 p_sys->i_title_offset++;
534 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
537 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
539 if( p_sys->i_title + 1 >= p_sys->i_titles )
544 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
550 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
551 p_sys->i_pack_len -= i_blocks_once;
554 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
555 i_blocks_once, p_buffer );
556 if( i_read != i_blocks_once )
558 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
559 i_read, i_blocks_once, p_sys->i_cur_block );
560 intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
561 _("DVDRead could not read %d/%d blocks at 0x%02x."),
562 i_read, i_blocks_once, p_sys->i_cur_block );
566 p_sys->i_cur_block += i_read;
567 p_sys->i_title_offset += i_read;
570 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
571 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
574 for( i = 0; i < i_read; i++ )
576 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
585 /*****************************************************************************
586 * DemuxBlock: demux a given block
587 *****************************************************************************/
588 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
590 demux_sys_t *p_sys = p_demux->p_sys;
593 while( p < &pkt[i_pkt] )
595 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
603 p_pkt = block_New( p_demux, i_size );
604 memcpy( p_pkt->p_buffer, p, i_size);
606 /* Parse it and send it */
607 switch( 0x100 | p[3] )
616 msg_Warn( p_demux, "received a PSM packet" );
618 else if( p[3] == 0xbb )
620 msg_Warn( p_demux, "received a SYSTEM packet" );
623 block_Release( p_pkt );
630 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
632 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
633 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
635 block_Release( p_pkt );
640 int i_id = ps_pkt_id( p_pkt );
643 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
647 ESNew( p_demux, i_id, 0 );
649 if( tk->b_seen && tk->es &&
650 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
652 es_out_Send( p_demux->out, tk->es, p_pkt );
656 block_Release( p_pkt );
661 block_Release( p_pkt );
673 /*****************************************************************************
674 * ESNew: register a new elementary stream
675 *****************************************************************************/
676 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
678 demux_sys_t *p_sys = p_demux->p_sys;
679 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
680 char psz_language[3];
682 if( tk->b_seen ) return;
684 if( ps_track_fill( tk, 0, i_id ) )
686 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
690 psz_language[0] = psz_language[1] = psz_language[2] = 0;
691 if( i_lang && i_lang != 0xffff )
693 psz_language[0] = (i_lang >> 8)&0xff;
694 psz_language[1] = (i_lang )&0xff;
698 if( tk->fmt.i_cat == VIDEO_ES )
700 if( p_sys->i_aspect >= 0 )
702 tk->fmt.video.i_aspect = p_sys->i_aspect;
705 else if( tk->fmt.i_cat == AUDIO_ES )
708 /* find the audio number PLEASE find another way */
709 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
713 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
717 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
721 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
726 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
728 else if( tk->fmt.i_cat == SPU_ES )
731 tk->fmt.subs.spu.palette[0] = 0xBeef;
732 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
733 16 * sizeof( uint32_t ) );
735 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
738 tk->es = es_out_Add( p_demux->out, &tk->fmt );
739 tk->b_seen = VLC_TRUE;
742 /*****************************************************************************
743 * DvdReadSetArea: initialize input data for title x, chapter y.
744 * It should be called for each user navigation request.
745 *****************************************************************************
746 * Take care that i_title and i_chapter start from 0.
747 *****************************************************************************/
748 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
751 demux_sys_t *p_sys = p_demux->p_sys;
752 int pgc_id = 0, pgn = 0;
755 #define p_pgc p_sys->p_cur_pgc
756 #define p_vmg p_sys->p_vmg_file
757 #define p_vts p_sys->p_vts_file
759 if( i_title >= 0 && i_title < p_sys->i_titles &&
760 i_title != p_sys->i_title )
762 int i_start_cell, i_end_cell;
764 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
765 if( p_vts != NULL ) ifoClose( p_vts );
766 p_sys->i_title = i_title;
769 * We have to load all title information
771 msg_Dbg( p_demux, "open VTS %d, for title %d",
772 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
775 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
776 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
778 msg_Err( p_demux, "fatal error in vts ifo" );
782 /* Title position inside the selected vts */
783 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
785 /* Find title start/end */
786 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
787 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
788 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
790 p_sys->i_title_start_cell =
791 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
792 p_sys->i_title_start_block =
793 p_pgc->cell_playback[i_start_cell].first_sector;
795 p_sys->i_title_end_cell =
796 i_end_cell = p_pgc->nr_of_cells - 1;
797 p_sys->i_title_end_block =
798 p_pgc->cell_playback[i_end_cell].last_sector;
800 p_sys->i_title_offset = 0;
802 p_sys->i_title_blocks = 0;
803 for( i = i_start_cell; i <= i_end_cell; i++ )
805 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
806 p_pgc->cell_playback[i].first_sector + 1;
809 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
810 "start %d end %d blocks: %d",
811 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
812 p_sys->i_title_start_block, p_sys->i_title_end_block,
813 p_sys->i_title_blocks );
816 * Set properties for current chapter
818 p_sys->i_chapter = 0;
820 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
822 pgc_id = p_vts->vts_ptt_srpt->title[
823 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
824 pgn = p_vts->vts_ptt_srpt->title[
825 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
827 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
828 p_sys->i_pack_len = 0;
830 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
831 DvdReadFindCell( p_demux );
833 p_sys->i_next_vobu = p_sys->i_cur_block =
834 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
839 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
840 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
843 * We've got enough info, time to open the title set data.
845 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
846 p_vmg->tt_srpt->title[i_title].title_set_nr,
847 DVD_READ_TITLE_VOBS ) ) )
849 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
850 p_vmg->tt_srpt->title[i_title].title_set_nr );
854 //IfoPrintTitle( p_demux );
857 * Destroy obsolete ES by reinitializing program 0
858 * and find all ES in title with ifo data
860 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
862 for( i = 0; i < PS_TK_COUNT; i++ )
864 ps_track_t *tk = &p_sys->tk[i];
867 es_format_Clean( &tk->fmt );
868 if( tk->es ) es_out_Del( p_demux->out, tk->es );
870 tk->b_seen = VLC_FALSE;
873 if( p_demux->info.i_title != i_title )
875 p_demux->info.i_update |=
876 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
877 p_demux->info.i_title = i_title;
878 p_demux->info.i_seekpoint = 0;
881 /* TODO: re-add angles */
884 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
885 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
887 #define audio_control \
888 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
890 /* Audio ES, in the order they appear in the .ifo */
891 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
896 //IfoPrintAudio( p_demux, i );
898 /* Audio channel is active if first byte is 0x80 */
899 if( audio_control & 0x8000 )
901 i_position = ( audio_control & 0x7F00 ) >> 8;
903 msg_Dbg( p_demux, "audio position %d", i_position );
904 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
907 i_id = (0x80 + i_position) | 0xbd00;
910 case 0x03: /* MPEG audio */
911 i_id = 0xc000 + i_position;
913 case 0x04: /* LPCM */
914 i_id = (0xa0 + i_position) | 0xbd00;
917 i_id = (0x88 + i_position) | 0xbd00;
921 msg_Err( p_demux, "unknown audio type %.2x",
922 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
925 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
926 vts_audio_attr[i - 1].lang_code );
931 #define spu_palette \
932 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
934 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
936 #define spu_control \
937 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
940 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
945 //IfoPrintSpu( p_sys, i );
946 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
948 if( spu_control & 0x80000000 )
950 /* there are several streams for one spu */
951 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
954 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
956 case 1: /* letterbox */
957 i_position = spu_control & 0xff;
959 case 2: /* pan&scan */
960 i_position = ( spu_control >> 8 ) & 0xff;
962 default: /* widescreen */
963 i_position = ( spu_control >> 16 ) & 0xff;
970 i_position = ( spu_control >> 24 ) & 0x7F;
973 i_id = (0x20 + i_position) | 0xbd00;
975 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
976 vts_subp_attr[i - 1].lang_code );
982 else if( i_title != -1 && i_title != p_sys->i_title )
985 return VLC_EGENERIC; /* Couldn't set title */
992 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
994 pgc_id = p_vts->vts_ptt_srpt->title[
995 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
996 pgn = p_vts->vts_ptt_srpt->title[
997 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
999 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1001 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1002 p_sys->i_chapter = i_chapter;
1003 DvdReadFindCell( p_demux );
1005 p_sys->i_title_offset = 0;
1006 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1008 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1009 p_pgc->cell_playback[i].first_sector + 1;
1012 p_sys->i_pack_len = 0;
1013 p_sys->i_next_vobu = p_sys->i_cur_block =
1014 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1016 if( p_demux->info.i_seekpoint != i_chapter )
1018 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1019 p_demux->info.i_seekpoint = i_chapter;
1022 else if( i_chapter != -1 )
1025 return VLC_EGENERIC; /* Couldn't set chapter */
1035 /*****************************************************************************
1036 * DvdReadSeek : Goes to a given position on the stream.
1037 *****************************************************************************
1038 * This one is used by the input and translate chronological position from
1039 * input to logical position on the device.
1040 *****************************************************************************/
1041 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1043 demux_sys_t *p_sys = p_demux->p_sys;
1050 #define p_pgc p_sys->p_cur_pgc
1051 #define p_vts p_sys->p_vts_file
1054 i_block = i_block_offset;
1055 for( i_cell = p_sys->i_title_start_cell;
1056 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1058 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1059 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1061 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1062 p_pgc->cell_playback[i_cell].first_sector + 1);
1064 if( i_cell > p_sys->i_title_end_cell )
1066 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1069 i_block += p_pgc->cell_playback[i_cell].first_sector;
1070 p_sys->i_title_offset = i_block_offset;
1073 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1075 int pgc_id, pgn, i_tmp;
1077 pgc_id = p_vts->vts_ptt_srpt->title[
1078 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1079 pgn = p_vts->vts_ptt_srpt->title[
1080 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1082 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1084 if( i_tmp > i_cell ) break;
1087 if( i_chapter < p_sys->i_chapters &&
1088 p_demux->info.i_seekpoint != i_chapter )
1090 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1091 p_demux->info.i_seekpoint = i_chapter;
1095 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1101 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1102 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1108 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1109 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1110 i_cell, i_sub_cell, i_chapter, i_vobu,
1111 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1112 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1113 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1116 p_sys->i_cur_block = i_block;
1117 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1118 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1119 p_sys->i_cur_cell = i_cell;
1120 p_sys->i_chapter = i_chapter;
1121 DvdReadFindCell( p_demux );
1129 /*****************************************************************************
1131 *****************************************************************************/
1132 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1134 demux_sys_t *p_sys = p_demux->p_sys;
1136 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1139 * Determine where we go next. These values are the ones we mostly
1142 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1143 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1146 * Store the timecodes so we can get the current time
1148 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1149 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1152 * If we're not at the end of this cell, we can determine the next
1153 * VOBU to display using the VOBU_SRI information section of the
1154 * DSI. Using this value correctly follows the current angle,
1155 * avoiding the doubled scenes in The Matrix, and makes our life
1159 p_sys->i_next_vobu = p_sys->i_cur_block +
1160 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1162 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1163 && p_sys->i_angle > 1 )
1165 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1168 /* Interleaved unit with no angle */
1169 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1171 p_sys->i_next_vobu = p_sys->i_cur_block +
1172 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1173 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1177 p_sys->i_next_vobu = p_sys->i_cur_block +
1178 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1182 /* vobu is end of ilvu */
1183 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1185 p_sys->i_next_vobu = p_sys->i_cur_block +
1186 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1187 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1192 /* vobu is beginning of ilvu */
1196 /* entering interleaved section */
1198 /* non interleaved cells in interleaved section */
1200 p_sys->i_next_vobu = p_sys->i_cur_block +
1201 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1205 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1207 p_sys->i_cur_cell = p_sys->i_next_cell;
1210 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1212 DvdReadFindCell( p_demux );
1214 p_sys->i_next_vobu =
1215 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1217 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 );
1222 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1223 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1224 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1225 p_sys->dsi_pack.dsi_gi.vobu_ea,
1226 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1227 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1228 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1230 msg_Dbg( p_demux, "cell duration: %lld",
1231 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1233 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1234 p_sys->dsi_pack.sml_pbi.category,
1235 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1236 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1237 p_sys->dsi_pack.sml_pbi.size );
1239 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1240 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1241 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1242 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1246 /*****************************************************************************
1248 *****************************************************************************/
1249 static void DvdReadFindCell( demux_t *p_demux )
1251 demux_sys_t *p_sys = p_demux->p_sys;
1257 #define cell p_sys->p_cur_pgc->cell_playback
1259 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1261 p_sys->i_cur_cell += p_sys->i_angle - 1;
1263 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1267 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1271 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1276 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1278 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1279 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1280 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1281 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1282 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1284 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1288 if( p_sys->i_chapter < p_sys->i_chapters &&
1289 p_demux->info.i_seekpoint != p_sys->i_chapter )
1291 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1292 p_demux->info.i_seekpoint = p_sys->i_chapter;
1297 /*****************************************************************************
1298 * DemuxTitles: get the titles/chapters structure
1299 *****************************************************************************/
1300 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1302 demux_sys_t *p_sys = p_demux->p_sys;
1308 /* Find out number of titles/chapters */
1309 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1311 i_titles = tt_srpt->nr_of_srpts;
1312 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1314 for( i = 0; i < i_titles; i++ )
1316 int32_t i_chapters = 0;
1319 i_chapters = tt_srpt->title[i].nr_of_ptts;
1320 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1322 t = vlc_input_title_New();
1324 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1326 s = vlc_seekpoint_New();
1327 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1330 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );