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>
36 #include <vlc_charset.h>
38 #include <vlc_interface.h>
42 #include "../demux/ps.h"
49 #include <sys/types.h>
52 #include <dvdread/dvd_reader.h>
53 #include <dvdread/ifo_types.h>
54 #include <dvdread/ifo_read.h>
55 #include <dvdread/nav_read.h>
56 #include <dvdread/nav_print.h>
58 /*****************************************************************************
60 *****************************************************************************/
61 #define ANGLE_TEXT N_("DVD angle")
62 #define ANGLE_LONGTEXT N_( \
63 "Default DVD angle." )
65 #define CACHING_TEXT N_("Caching value in ms")
66 #define CACHING_LONGTEXT N_( \
67 "Caching value for DVDs. " \
68 "This value should be set in milliseconds." )
70 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
71 #define CSSMETHOD_LONGTEXT N_( \
72 "Set the method used by libdvdcss for key decryption.\n" \
73 "title: decrypted title key is guessed from the encrypted sectors of " \
74 "the stream. Thus it should work with a file as well as the " \
75 "DVD device. But it sometimes takes much time to decrypt a title " \
76 "key and may even fail. With this method, the key is only checked "\
77 "at the beginning of each title, so it won't work if the key " \
78 "changes in the middle of a title.\n" \
79 "disc: the disc key is first cracked, then all title keys can be " \
80 "decrypted instantly, which allows us to check them often.\n" \
81 "key: the same as \"disc\" if you don't have a file with player keys " \
82 "at compilation time. If you do, the decryption of the disc key " \
83 "will be faster with this method. It is the one that was used by " \
85 "The default method is: key.")
87 static const char *psz_css_list[] = { "title", "disc", "key" };
88 static const char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
90 static int Open ( vlc_object_t * );
91 static void Close( vlc_object_t * );
94 set_shortname( _("DVD without menus") );
95 set_description( _("DVDRead Input (DVD without menu support)") );
96 set_category( CAT_INPUT );
97 set_subcategory( SUBCAT_INPUT_ACCESS );
98 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
99 ANGLE_LONGTEXT, false );
100 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
101 CACHING_TEXT, CACHING_LONGTEXT, true );
102 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
103 CSSMETHOD_LONGTEXT, true );
104 change_string_list( psz_css_list, psz_css_list_text, 0 );
105 set_capability( "access_demux", 0 );
106 add_shortcut( "dvd" );
107 add_shortcut( "dvdread" );
108 add_shortcut( "dvdsimple" );
109 set_callbacks( Open, Close );
112 /* how many blocks DVDRead will read in each loop */
113 #define DVD_BLOCK_READ_ONCE 4
115 /*****************************************************************************
117 *****************************************************************************/
122 dvd_reader_t *p_dvdread;
125 ifo_handle_t *p_vmg_file;
126 ifo_handle_t *p_vts_file;
129 int i_chapter, i_chapters;
130 int i_angle, i_angles;
132 tt_srpt_t *p_tt_srpt;
143 /* Current title start/end blocks */
144 int i_title_start_block;
145 int i_title_end_block;
148 mtime_t i_title_cur_time;
150 int i_title_start_cell;
151 int i_title_end_cell;
154 mtime_t i_cell_cur_time;
155 mtime_t i_cell_duration;
158 ps_track_t tk[PS_TK_COUNT];
161 input_title_t **titles;
170 static int Control ( demux_t *, int, va_list );
171 static int Demux ( demux_t * );
172 static int DemuxBlock( demux_t *, uint8_t *, int );
174 static void DemuxTitles( demux_t *, int * );
175 static void ESNew( demux_t *, int, int );
177 static int DvdReadSetArea ( demux_t *, int, int, int );
178 static void DvdReadSeek ( demux_t *, int );
179 static void DvdReadHandleDSI( demux_t *, uint8_t * );
180 static void DvdReadFindCell ( demux_t * );
182 /*****************************************************************************
184 *****************************************************************************/
185 static int Open( vlc_object_t *p_this )
187 demux_t *p_demux = (demux_t*)p_this;
190 char *psz_dvdcss_env;
191 dvd_reader_t *p_dvdread;
192 ifo_handle_t *p_vmg_file;
195 if( !p_demux->psz_path || !*p_demux->psz_path )
197 /* Only when selected */
198 if( !p_this->b_force ) return VLC_EGENERIC;
200 psz_name = var_CreateGetString( p_this, "dvd" );
203 psz_name = strdup("");
207 psz_name = ToLocaleDup( p_demux->psz_path );
210 if( psz_name[0] && psz_name[1] == ':' &&
211 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
214 /* Override environment variable DVDCSS_METHOD with config option
215 * (FIXME: this creates a small memory leak) */
216 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
217 if( psz_dvdcss_env && *psz_dvdcss_env )
221 psz_env = malloc( strlen("DVDCSS_METHOD=") +
222 strlen( psz_dvdcss_env ) + 1 );
225 free( psz_dvdcss_env );
229 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
233 free( psz_dvdcss_env );
236 if( !(p_dvdread = DVDOpen( psz_name )) )
238 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
239 intf_UserFatal( p_demux, false, _("Playback failure"),
240 _("DVDRead could not open the disk \"%s\"."), psz_name );
246 /* Ifo allocation & initialisation */
247 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
249 msg_Warn( p_demux, "cannot open VMG info" );
252 msg_Dbg( p_demux, "VMG opened" );
254 /* Fill p_demux field */
255 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
257 ps_track_init( p_sys->tk );
258 p_sys->i_aspect = -1;
259 p_sys->i_title_cur_time = (mtime_t) 0;
260 p_sys->i_cell_cur_time = (mtime_t) 0;
261 p_sys->i_cell_duration = (mtime_t) 0;
263 p_sys->p_dvdread = p_dvdread;
264 p_sys->p_vmg_file = p_vmg_file;
265 p_sys->p_title = NULL;
266 p_sys->p_vts_file = NULL;
268 p_sys->i_title = p_sys->i_chapter = -1;
269 p_sys->i_mux_rate = 0;
271 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
272 var_Get( p_demux, "dvdread-angle", &val );
273 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
275 DemuxTitles( p_demux, &p_sys->i_angle );
276 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
279 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
284 /* Update default_pts to a suitable value for dvdread access */
285 var_Create( p_demux, "dvdread-caching",
286 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
291 /*****************************************************************************
293 *****************************************************************************/
294 static void Close( vlc_object_t *p_this )
296 demux_t *p_demux = (demux_t*)p_this;
297 demux_sys_t *p_sys = p_demux->p_sys;
300 for( i = 0; i < PS_TK_COUNT; i++ )
302 ps_track_t *tk = &p_sys->tk[i];
305 es_format_Clean( &tk->fmt );
306 if( tk->es ) es_out_Del( p_demux->out, tk->es );
310 /* Close libdvdread */
311 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
312 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
313 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
314 DVDClose( p_sys->p_dvdread );
319 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
321 /* Macro to convert Binary Coded Decimal to Decimal */
322 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
325 int64_t i_micro_second = 0;
327 if (still_time == 0 || still_time == 0xFF)
329 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
330 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
331 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
333 switch((dtime->frame_u & 0xc0) >> 6)
345 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
346 i_micro_second += (int64_t)(f_ms * 1000.0);
350 i_micro_second = still_time;
351 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
354 return i_micro_second;
357 /*****************************************************************************
359 *****************************************************************************/
360 static int Control( demux_t *p_demux, int i_query, va_list args )
362 demux_sys_t *p_sys = p_demux->p_sys;
366 input_title_t ***ppp_title;
372 case DEMUX_GET_POSITION:
374 pf = (double*) va_arg( args, double* );
376 if( p_sys->i_title_blocks > 0 )
377 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
383 case DEMUX_SET_POSITION:
385 f = (double)va_arg( args, double );
387 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
392 pi64 = (int64_t*)va_arg( args, int64_t * );
393 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
395 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
396 p_sys->i_title_blocks * p_sys->i_title_offset;
402 case DEMUX_GET_LENGTH:
403 pi64 = (int64_t*)va_arg( args, int64_t * );
404 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
406 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
412 /* Special for access_demux */
413 case DEMUX_CAN_PAUSE:
415 case DEMUX_CAN_CONTROL_PACE:
417 pb = (bool*)va_arg( args, bool * );
421 case DEMUX_SET_PAUSE_STATE:
424 case DEMUX_GET_TITLE_INFO:
425 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
426 pi_int = (int*)va_arg( args, int* );
427 *((int*)va_arg( args, int* )) = 1; /* Title offset */
428 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
430 /* Duplicate title infos */
431 *pi_int = p_sys->i_titles;
432 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
433 for( i = 0; i < p_sys->i_titles; i++ )
435 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
439 case DEMUX_SET_TITLE:
440 i = (int)va_arg( args, int );
441 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
443 msg_Warn( p_demux, "cannot set title/chapter" );
446 p_demux->info.i_update |=
447 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
448 p_demux->info.i_title = i;
449 p_demux->info.i_seekpoint = 0;
452 case DEMUX_SET_SEEKPOINT:
453 i = (int)va_arg( args, int );
454 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
456 msg_Warn( p_demux, "cannot set title/chapter" );
459 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
460 p_demux->info.i_seekpoint = i;
463 case DEMUX_GET_PTS_DELAY:
464 pi64 = (int64_t*)va_arg( args, int64_t * );
465 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
468 /* TODO implement others */
474 /*****************************************************************************
476 *****************************************************************************/
477 static int Demux( demux_t *p_demux )
479 demux_sys_t *p_sys = p_demux->p_sys;
481 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
482 int i_blocks_once, i_read;
486 * Playback by cell in this pgc, starting at the cell for our chapter.
490 * Check end of pack, and select the following one
492 if( !p_sys->i_pack_len )
494 /* Read NAV packet */
495 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
498 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
499 intf_UserWarn( p_demux, _("Playback failure"),
500 _("DVDRead could not read block %d."),
501 p_sys->i_next_vobu );
505 /* Basic check to be sure we don't have a empty title
506 * go to next title if so */
507 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
509 /* Parse the contained dsi packet */
510 DvdReadHandleDSI( p_demux, p_buffer );
513 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
515 if( p_sys->i_title + 1 >= p_sys->i_titles )
520 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
523 if( p_sys->i_pack_len >= 1024 )
525 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
526 "This shouldn't happen!", p_sys->i_pack_len );
530 /* FIXME: Ugly kludge: we send the pack block to the input for it
531 * sometimes has a zero scr and restart the sync */
532 p_sys->i_cur_block++;
533 p_sys->i_title_offset++;
535 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
538 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
540 if( p_sys->i_title + 1 >= p_sys->i_titles )
545 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
551 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
552 p_sys->i_pack_len -= i_blocks_once;
555 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
556 i_blocks_once, p_buffer );
557 if( i_read != i_blocks_once )
559 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
560 i_read, i_blocks_once, p_sys->i_cur_block );
561 intf_UserFatal( p_demux, false, _("Playback failure"),
562 _("DVDRead could not read %d/%d blocks at 0x%02x."),
563 i_read, i_blocks_once, p_sys->i_cur_block );
567 p_sys->i_cur_block += i_read;
568 p_sys->i_title_offset += i_read;
571 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
572 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
575 for( i = 0; i < i_read; i++ )
577 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
586 /*****************************************************************************
587 * DemuxBlock: demux a given block
588 *****************************************************************************/
589 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
591 demux_sys_t *p_sys = p_demux->p_sys;
594 while( p < &pkt[i_pkt] )
596 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
604 p_pkt = block_New( p_demux, i_size );
605 memcpy( p_pkt->p_buffer, p, i_size);
607 /* Parse it and send it */
608 switch( 0x100 | p[3] )
617 msg_Warn( p_demux, "received a PSM packet" );
619 else if( p[3] == 0xbb )
621 msg_Warn( p_demux, "received a SYSTEM packet" );
624 block_Release( p_pkt );
631 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
633 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
634 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
636 block_Release( p_pkt );
641 int i_id = ps_pkt_id( p_pkt );
644 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
648 ESNew( p_demux, i_id, 0 );
650 if( tk->b_seen && tk->es &&
651 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
653 es_out_Send( p_demux->out, tk->es, p_pkt );
657 block_Release( p_pkt );
662 block_Release( p_pkt );
674 /*****************************************************************************
675 * ESNew: register a new elementary stream
676 *****************************************************************************/
677 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
679 demux_sys_t *p_sys = p_demux->p_sys;
680 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
681 char psz_language[3];
683 if( tk->b_seen ) return;
685 if( ps_track_fill( tk, 0, i_id ) )
687 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
691 psz_language[0] = psz_language[1] = psz_language[2] = 0;
692 if( i_lang && i_lang != 0xffff )
694 psz_language[0] = (i_lang >> 8)&0xff;
695 psz_language[1] = (i_lang )&0xff;
699 if( tk->fmt.i_cat == VIDEO_ES )
701 if( p_sys->i_aspect >= 0 )
703 tk->fmt.video.i_aspect = p_sys->i_aspect;
706 else if( tk->fmt.i_cat == AUDIO_ES )
709 /* find the audio number PLEASE find another way */
710 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
714 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
718 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
722 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
727 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
729 else if( tk->fmt.i_cat == SPU_ES )
732 tk->fmt.subs.spu.palette[0] = 0xBeef;
733 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
734 16 * sizeof( uint32_t ) );
736 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
739 tk->es = es_out_Add( p_demux->out, &tk->fmt );
743 /*****************************************************************************
744 * DvdReadSetArea: initialize input data for title x, chapter y.
745 * It should be called for each user navigation request.
746 *****************************************************************************
747 * Take care that i_title and i_chapter start from 0.
748 *****************************************************************************/
749 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
752 demux_sys_t *p_sys = p_demux->p_sys;
753 int pgc_id = 0, pgn = 0;
756 #define p_pgc p_sys->p_cur_pgc
757 #define p_vmg p_sys->p_vmg_file
758 #define p_vts p_sys->p_vts_file
760 if( i_title >= 0 && i_title < p_sys->i_titles &&
761 i_title != p_sys->i_title )
763 int i_start_cell, i_end_cell;
765 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
766 if( p_vts != NULL ) ifoClose( p_vts );
767 p_sys->i_title = i_title;
770 * We have to load all title information
772 msg_Dbg( p_demux, "open VTS %d, for title %d",
773 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
776 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
777 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
779 msg_Err( p_demux, "fatal error in vts ifo" );
783 /* Title position inside the selected vts */
784 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
786 /* Find title start/end */
787 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
788 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
789 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
791 p_sys->i_title_start_cell =
792 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
793 p_sys->i_title_start_block =
794 p_pgc->cell_playback[i_start_cell].first_sector;
796 p_sys->i_title_end_cell =
797 i_end_cell = p_pgc->nr_of_cells - 1;
798 p_sys->i_title_end_block =
799 p_pgc->cell_playback[i_end_cell].last_sector;
801 p_sys->i_title_offset = 0;
803 p_sys->i_title_blocks = 0;
804 for( i = i_start_cell; i <= i_end_cell; i++ )
806 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
807 p_pgc->cell_playback[i].first_sector + 1;
810 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
811 "start %d end %d blocks: %d",
812 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
813 p_sys->i_title_start_block, p_sys->i_title_end_block,
814 p_sys->i_title_blocks );
817 * Set properties for current chapter
819 p_sys->i_chapter = 0;
821 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
823 pgc_id = p_vts->vts_ptt_srpt->title[
824 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
825 pgn = p_vts->vts_ptt_srpt->title[
826 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
828 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
829 p_sys->i_pack_len = 0;
831 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
832 DvdReadFindCell( p_demux );
834 p_sys->i_next_vobu = p_sys->i_cur_block =
835 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
840 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
841 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
844 * We've got enough info, time to open the title set data.
846 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
847 p_vmg->tt_srpt->title[i_title].title_set_nr,
848 DVD_READ_TITLE_VOBS ) ) )
850 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
851 p_vmg->tt_srpt->title[i_title].title_set_nr );
855 //IfoPrintTitle( p_demux );
858 * Destroy obsolete ES by reinitializing program 0
859 * and find all ES in title with ifo data
861 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
863 for( i = 0; i < PS_TK_COUNT; i++ )
865 ps_track_t *tk = &p_sys->tk[i];
868 es_format_Clean( &tk->fmt );
869 if( tk->es ) es_out_Del( p_demux->out, tk->es );
874 if( p_demux->info.i_title != i_title )
876 p_demux->info.i_update |=
877 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
878 p_demux->info.i_title = i_title;
879 p_demux->info.i_seekpoint = 0;
882 /* TODO: re-add angles */
885 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
886 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
888 #define audio_control \
889 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
891 /* Audio ES, in the order they appear in the .ifo */
892 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
897 //IfoPrintAudio( p_demux, i );
899 /* Audio channel is active if first byte is 0x80 */
900 if( audio_control & 0x8000 )
902 i_position = ( audio_control & 0x7F00 ) >> 8;
904 msg_Dbg( p_demux, "audio position %d", i_position );
905 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
908 i_id = (0x80 + i_position) | 0xbd00;
911 case 0x03: /* MPEG audio */
912 i_id = 0xc000 + i_position;
914 case 0x04: /* LPCM */
915 i_id = (0xa0 + i_position) | 0xbd00;
918 i_id = (0x88 + i_position) | 0xbd00;
922 msg_Err( p_demux, "unknown audio type %.2x",
923 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
926 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
927 vts_audio_attr[i - 1].lang_code );
932 #define spu_palette \
933 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
935 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
937 #define spu_control \
938 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
941 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
946 //IfoPrintSpu( p_sys, i );
947 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
949 if( spu_control & 0x80000000 )
951 /* there are several streams for one spu */
952 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
955 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
957 case 1: /* letterbox */
958 i_position = spu_control & 0xff;
960 case 2: /* pan&scan */
961 i_position = ( spu_control >> 8 ) & 0xff;
963 default: /* widescreen */
964 i_position = ( spu_control >> 16 ) & 0xff;
971 i_position = ( spu_control >> 24 ) & 0x7F;
974 i_id = (0x20 + i_position) | 0xbd00;
976 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
977 vts_subp_attr[i - 1].lang_code );
983 else if( i_title != -1 && i_title != p_sys->i_title )
986 return VLC_EGENERIC; /* Couldn't set title */
993 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
995 pgc_id = p_vts->vts_ptt_srpt->title[
996 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
997 pgn = p_vts->vts_ptt_srpt->title[
998 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1000 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1002 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1003 p_sys->i_chapter = i_chapter;
1004 DvdReadFindCell( p_demux );
1006 p_sys->i_title_offset = 0;
1007 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1009 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1010 p_pgc->cell_playback[i].first_sector + 1;
1013 p_sys->i_pack_len = 0;
1014 p_sys->i_next_vobu = p_sys->i_cur_block =
1015 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1017 if( p_demux->info.i_seekpoint != i_chapter )
1019 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1020 p_demux->info.i_seekpoint = i_chapter;
1023 else if( i_chapter != -1 )
1026 return VLC_EGENERIC; /* Couldn't set chapter */
1036 /*****************************************************************************
1037 * DvdReadSeek : Goes to a given position on the stream.
1038 *****************************************************************************
1039 * This one is used by the input and translate chronological position from
1040 * input to logical position on the device.
1041 *****************************************************************************/
1042 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1044 demux_sys_t *p_sys = p_demux->p_sys;
1051 #define p_pgc p_sys->p_cur_pgc
1052 #define p_vts p_sys->p_vts_file
1055 i_block = i_block_offset;
1056 for( i_cell = p_sys->i_title_start_cell;
1057 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1059 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1060 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1062 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1063 p_pgc->cell_playback[i_cell].first_sector + 1);
1065 if( i_cell > p_sys->i_title_end_cell )
1067 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1070 i_block += p_pgc->cell_playback[i_cell].first_sector;
1071 p_sys->i_title_offset = i_block_offset;
1074 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1076 int pgc_id, pgn, i_tmp;
1078 pgc_id = p_vts->vts_ptt_srpt->title[
1079 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1080 pgn = p_vts->vts_ptt_srpt->title[
1081 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1083 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1085 if( i_tmp > i_cell ) break;
1088 if( i_chapter < p_sys->i_chapters &&
1089 p_demux->info.i_seekpoint != i_chapter )
1091 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1092 p_demux->info.i_seekpoint = i_chapter;
1096 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1102 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1103 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1109 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1110 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1111 i_cell, i_sub_cell, i_chapter, i_vobu,
1112 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1113 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1114 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1117 p_sys->i_cur_block = i_block;
1118 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1119 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1120 p_sys->i_cur_cell = i_cell;
1121 p_sys->i_chapter = i_chapter;
1122 DvdReadFindCell( p_demux );
1130 /*****************************************************************************
1132 *****************************************************************************/
1133 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1135 demux_sys_t *p_sys = p_demux->p_sys;
1137 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1140 * Determine where we go next. These values are the ones we mostly
1143 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1144 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1147 * Store the timecodes so we can get the current time
1149 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1150 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1153 * If we're not at the end of this cell, we can determine the next
1154 * VOBU to display using the VOBU_SRI information section of the
1155 * DSI. Using this value correctly follows the current angle,
1156 * avoiding the doubled scenes in The Matrix, and makes our life
1160 p_sys->i_next_vobu = p_sys->i_cur_block +
1161 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1163 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1164 && p_sys->i_angle > 1 )
1166 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1169 /* Interleaved unit with no angle */
1170 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1172 p_sys->i_next_vobu = p_sys->i_cur_block +
1173 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1174 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1178 p_sys->i_next_vobu = p_sys->i_cur_block +
1179 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1183 /* vobu is end of ilvu */
1184 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1186 p_sys->i_next_vobu = p_sys->i_cur_block +
1187 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1188 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1193 /* vobu is beginning of ilvu */
1197 /* entering interleaved section */
1199 /* non interleaved cells in interleaved section */
1201 p_sys->i_next_vobu = p_sys->i_cur_block +
1202 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1206 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1208 p_sys->i_cur_cell = p_sys->i_next_cell;
1211 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1213 DvdReadFindCell( p_demux );
1215 p_sys->i_next_vobu =
1216 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1218 p_sys->i_cell_duration = (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 );
1223 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1224 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1225 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1226 p_sys->dsi_pack.dsi_gi.vobu_ea,
1227 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1228 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1229 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1231 msg_Dbg( p_demux, "cell duration: %lld",
1232 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1234 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1235 p_sys->dsi_pack.sml_pbi.category,
1236 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1237 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1238 p_sys->dsi_pack.sml_pbi.size );
1240 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1241 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1242 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1243 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1247 /*****************************************************************************
1249 *****************************************************************************/
1250 static void DvdReadFindCell( demux_t *p_demux )
1252 demux_sys_t *p_sys = p_demux->p_sys;
1258 #define cell p_sys->p_cur_pgc->cell_playback
1260 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1262 p_sys->i_cur_cell += p_sys->i_angle - 1;
1264 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1268 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1272 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1277 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1279 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1280 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1281 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1282 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1283 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1285 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1289 if( p_sys->i_chapter < p_sys->i_chapters &&
1290 p_demux->info.i_seekpoint != p_sys->i_chapter )
1292 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1293 p_demux->info.i_seekpoint = p_sys->i_chapter;
1298 /*****************************************************************************
1299 * DemuxTitles: get the titles/chapters structure
1300 *****************************************************************************/
1301 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1303 demux_sys_t *p_sys = p_demux->p_sys;
1309 /* Find out number of titles/chapters */
1310 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1312 i_titles = tt_srpt->nr_of_srpts;
1313 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1315 for( i = 0; i < i_titles; i++ )
1317 int32_t i_chapters = 0;
1320 i_chapters = tt_srpt->title[i].nr_of_ptts;
1321 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1323 t = vlc_input_title_New();
1325 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1327 s = vlc_seekpoint_New();
1328 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1331 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );