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 *****************************************************************************/
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"
49 #include <sys/types.h>
51 #ifdef HAVE_DVDREAD_DVD_READER_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 #include <libdvdread/dvd_reader.h>
59 #include <libdvdread/ifo_types.h>
60 #include <libdvdread/ifo_read.h>
61 #include <libdvdread/nav_read.h>
62 #include <libdvdread/nav_print.h>
67 /*****************************************************************************
69 *****************************************************************************/
70 #define ANGLE_TEXT N_("DVD angle")
71 #define ANGLE_LONGTEXT N_( \
72 "Default DVD angle." )
74 #define CACHING_TEXT N_("Caching value in ms")
75 #define CACHING_LONGTEXT N_( \
76 "Caching value for DVDs. " \
77 "This value should be set in milliseconds." )
79 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
80 #define CSSMETHOD_LONGTEXT N_( \
81 "Set the method used by libdvdcss for key decryption.\n" \
82 "title: decrypted title key is guessed from the encrypted sectors of " \
83 "the stream. Thus it should work with a file as well as the " \
84 "DVD device. But it sometimes takes much time to decrypt a title " \
85 "key and may even fail. With this method, the key is only checked "\
86 "at the beginning of each title, so it won't work if the key " \
87 "changes in the middle of a title.\n" \
88 "disc: the disc key is first cracked, then all title keys can be " \
89 "decrypted instantly, which allows us to check them often.\n" \
90 "key: the same as \"disc\" if you don't have a file with player keys " \
91 "at compilation time. If you do, the decryption of the disc key " \
92 "will be faster with this method. It is the one that was used by " \
94 "The default method is: key.")
96 static const char *const psz_css_list[] = { "title", "disc", "key" };
97 static const char *const psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
99 static int Open ( vlc_object_t * );
100 static void Close( vlc_object_t * );
103 set_shortname( N_("DVD without menus") )
104 set_description( N_("DVDRead Input (no menu support)") )
105 set_category( CAT_INPUT )
106 set_subcategory( SUBCAT_INPUT_ACCESS )
107 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
108 ANGLE_LONGTEXT, false )
109 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
110 CACHING_TEXT, CACHING_LONGTEXT, true )
111 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
112 CSSMETHOD_LONGTEXT, true )
113 change_string_list( psz_css_list, psz_css_list_text, 0 )
114 set_capability( "access_demux", 0 )
115 add_shortcut( "dvd" )
116 add_shortcut( "dvdread" )
117 add_shortcut( "dvdsimple" )
118 set_callbacks( Open, Close )
121 /* how many blocks DVDRead will read in each loop */
122 #define DVD_BLOCK_READ_ONCE 4
124 /*****************************************************************************
126 *****************************************************************************/
131 dvd_reader_t *p_dvdread;
134 ifo_handle_t *p_vmg_file;
135 ifo_handle_t *p_vts_file;
138 int i_chapter, i_chapters;
139 int i_angle, i_angles;
141 tt_srpt_t *p_tt_srpt;
152 /* Current title start/end blocks */
153 int i_title_start_block;
154 int i_title_end_block;
157 mtime_t i_title_cur_time;
159 int i_title_start_cell;
160 int i_title_end_cell;
163 mtime_t i_cell_cur_time;
164 mtime_t i_cell_duration;
167 ps_track_t tk[PS_TK_COUNT];
170 input_title_t **titles;
180 static int Control ( demux_t *, int, va_list );
181 static int Demux ( demux_t * );
182 static int DemuxBlock( demux_t *, uint8_t *, int );
184 static void DemuxTitles( demux_t *, int * );
185 static void ESNew( demux_t *, int, int );
187 static int DvdReadSetArea ( demux_t *, int, int, int );
188 static void DvdReadSeek ( demux_t *, int );
189 static void DvdReadHandleDSI( demux_t *, uint8_t * );
190 static void DvdReadFindCell ( demux_t * );
192 /*****************************************************************************
194 *****************************************************************************/
195 static int Open( vlc_object_t *p_this )
197 demux_t *p_demux = (demux_t*)p_this;
200 char *psz_dvdcss_env;
201 dvd_reader_t *p_dvdread;
202 ifo_handle_t *p_vmg_file;
204 if( !p_demux->psz_path || !*p_demux->psz_path )
206 /* Only when selected */
207 if( !p_demux->psz_access || !*p_demux->psz_access )
210 psz_name = var_CreateGetString( p_this, "dvd" );
213 psz_name = strdup("");
217 psz_name = ToLocaleDup( p_demux->psz_path );
220 if( psz_name[0] && psz_name[1] == ':' &&
221 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
224 /* Override environment variable DVDCSS_METHOD with config option */
225 psz_dvdcss_env = var_InheritString( p_demux, "dvdread-css-method" );
228 setenv( "DVDCSS_METHOD", psz_dvdcss_env, 1 );
231 /* FIXME: this create a small memory leak */
233 psz_env = malloc( strlen("DVDCSS_METHOD=") +
234 strlen( psz_dvdcss_env ) + 1 );
237 free( psz_dvdcss_env );
240 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
244 free( psz_dvdcss_env );
247 if( !(p_dvdread = DVDOpen( psz_name )) )
249 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
250 dialog_Fatal( p_demux, _("Playback failure"),
251 _("DVDRead could not open the disc \"%s\"."), psz_name );
257 /* Ifo allocation & initialisation */
258 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
260 msg_Warn( p_demux, "cannot open VMG info" );
263 msg_Dbg( p_demux, "VMG opened" );
265 /* Fill p_demux field */
266 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
268 ps_track_init( p_sys->tk );
269 p_sys->i_sar_num = 0;
270 p_sys->i_sar_den = 0;
271 p_sys->i_title_cur_time = (mtime_t) 0;
272 p_sys->i_cell_cur_time = (mtime_t) 0;
273 p_sys->i_cell_duration = (mtime_t) 0;
275 p_sys->p_dvdread = p_dvdread;
276 p_sys->p_vmg_file = p_vmg_file;
277 p_sys->p_title = NULL;
278 p_sys->p_vts_file = NULL;
280 p_sys->i_title = p_sys->i_chapter = -1;
281 p_sys->i_mux_rate = 0;
283 p_sys->i_angle = var_CreateGetInteger( p_demux, "dvdread-angle" );
284 if( p_sys->i_angle <= 0 ) p_sys->i_angle = 1;
286 DemuxTitles( p_demux, &p_sys->i_angle );
287 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
290 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
295 /* Update default_pts to a suitable value for dvdread access */
296 var_Create( p_demux, "dvdread-caching",
297 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
302 /*****************************************************************************
304 *****************************************************************************/
305 static void Close( vlc_object_t *p_this )
307 demux_t *p_demux = (demux_t*)p_this;
308 demux_sys_t *p_sys = p_demux->p_sys;
311 for( i = 0; i < PS_TK_COUNT; i++ )
313 ps_track_t *tk = &p_sys->tk[i];
316 es_format_Clean( &tk->fmt );
317 if( tk->es ) es_out_Del( p_demux->out, tk->es );
321 /* Close libdvdread */
322 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
323 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
324 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
325 DVDClose( p_sys->p_dvdread );
330 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
332 /* Macro to convert Binary Coded Decimal to Decimal */
333 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
336 int64_t i_micro_second = 0;
338 if (still_time == 0 || still_time == 0xFF)
340 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
341 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
342 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
344 switch((dtime->frame_u & 0xc0) >> 6)
356 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
357 i_micro_second += (int64_t)(f_ms * 1000.0);
361 i_micro_second = still_time;
362 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
365 return i_micro_second;
368 /*****************************************************************************
370 *****************************************************************************/
371 static int Control( demux_t *p_demux, int i_query, va_list args )
373 demux_sys_t *p_sys = p_demux->p_sys;
377 input_title_t ***ppp_title;
383 case DEMUX_GET_POSITION:
385 pf = (double*) va_arg( args, double* );
387 if( p_sys->i_title_blocks > 0 )
388 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
394 case DEMUX_SET_POSITION:
396 f = (double)va_arg( args, double );
398 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
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 ) /
407 p_sys->i_title_blocks * p_sys->i_title_offset;
413 case DEMUX_GET_LENGTH:
414 pi64 = (int64_t*)va_arg( args, int64_t * );
415 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
417 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
423 /* Special for access_demux */
424 case DEMUX_CAN_PAUSE:
426 case DEMUX_CAN_CONTROL_PACE:
428 pb = (bool*)va_arg( args, bool * );
432 case DEMUX_SET_PAUSE_STATE:
435 case DEMUX_GET_TITLE_INFO:
436 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
437 pi_int = (int*)va_arg( args, int* );
438 *((int*)va_arg( args, int* )) = 1; /* Title offset */
439 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
441 /* Duplicate title infos */
442 *pi_int = p_sys->i_titles;
443 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
444 for( i = 0; i < p_sys->i_titles; i++ )
446 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
450 case DEMUX_SET_TITLE:
451 i = (int)va_arg( args, int );
452 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
454 msg_Warn( p_demux, "cannot set title/chapter" );
457 p_demux->info.i_update |=
458 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
459 p_demux->info.i_title = i;
460 p_demux->info.i_seekpoint = 0;
463 case DEMUX_SET_SEEKPOINT:
464 i = (int)va_arg( args, int );
465 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
467 msg_Warn( p_demux, "cannot set title/chapter" );
470 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
471 p_demux->info.i_seekpoint = i;
474 case DEMUX_GET_PTS_DELAY:
475 pi64 = (int64_t*)va_arg( args, int64_t * );
476 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
479 /* TODO implement others */
485 /*****************************************************************************
487 *****************************************************************************/
488 static int Demux( demux_t *p_demux )
490 demux_sys_t *p_sys = p_demux->p_sys;
492 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
493 int i_blocks_once, i_read;
497 * Playback by cell in this pgc, starting at the cell for our chapter.
501 * Check end of pack, and select the following one
503 if( !p_sys->i_pack_len )
505 /* Read NAV packet */
506 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
509 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
510 dialog_Fatal( p_demux, _("Playback failure"),
511 _("DVDRead could not read block %d."),
512 p_sys->i_next_vobu );
516 /* Basic check to be sure we don't have a empty title
517 * go to next title if so */
518 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
520 /* Parse the contained dsi packet */
521 DvdReadHandleDSI( p_demux, p_buffer );
524 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
526 if( p_sys->i_title + 1 >= p_sys->i_titles )
531 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
534 if( p_sys->i_pack_len >= 1024 )
536 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
537 "This shouldn't happen!", p_sys->i_pack_len );
541 /* FIXME: Ugly kludge: we send the pack block to the input for it
542 * sometimes has a zero scr and restart the sync */
543 p_sys->i_cur_block++;
544 p_sys->i_title_offset++;
546 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
549 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
551 if( p_sys->i_title + 1 >= p_sys->i_titles )
556 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
562 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
563 p_sys->i_pack_len -= i_blocks_once;
566 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
567 i_blocks_once, p_buffer );
568 if( i_read != i_blocks_once )
570 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
571 i_read, i_blocks_once, p_sys->i_cur_block );
572 dialog_Fatal( p_demux, _("Playback failure"),
573 _("DVDRead could not read %d/%d blocks at 0x%02x."),
574 i_read, i_blocks_once, p_sys->i_cur_block );
578 p_sys->i_cur_block += i_read;
579 p_sys->i_title_offset += i_read;
582 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
583 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
586 for( i = 0; i < i_read; i++ )
588 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
597 /*****************************************************************************
598 * DemuxBlock: demux a given block
599 *****************************************************************************/
600 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
602 demux_sys_t *p_sys = p_demux->p_sys;
605 while( p && p < &pkt[i_pkt] )
608 int i_size = &pkt[i_pkt] - p;
613 i_size = ps_pkt_size( p, i_size );
620 p_pkt = block_New( p_demux, i_size );
621 memcpy( p_pkt->p_buffer, p, i_size);
623 /* Parse it and send it */
624 switch( 0x100 | p[3] )
633 msg_Warn( p_demux, "received a PSM packet" );
635 else if( p[3] == 0xbb )
637 msg_Warn( p_demux, "received a SYSTEM packet" );
640 block_Release( p_pkt );
647 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
649 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
650 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
652 block_Release( p_pkt );
657 int i_id = ps_pkt_id( p_pkt );
660 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
664 ESNew( p_demux, i_id, 0 );
666 if( tk->b_seen && tk->es &&
667 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
669 es_out_Send( p_demux->out, tk->es, p_pkt );
673 block_Release( p_pkt );
678 block_Release( p_pkt );
690 /*****************************************************************************
691 * ESNew: register a new elementary stream
692 *****************************************************************************/
693 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
695 demux_sys_t *p_sys = p_demux->p_sys;
696 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
697 char psz_language[3];
699 if( tk->b_seen ) return;
701 if( ps_track_fill( tk, 0, i_id ) )
703 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
707 psz_language[0] = psz_language[1] = psz_language[2] = 0;
708 if( i_lang && i_lang != 0xffff )
710 psz_language[0] = (i_lang >> 8)&0xff;
711 psz_language[1] = (i_lang )&0xff;
715 if( tk->fmt.i_cat == VIDEO_ES )
717 tk->fmt.video.i_sar_num = p_sys->i_sar_num;
718 tk->fmt.video.i_sar_den = p_sys->i_sar_den;
720 else if( tk->fmt.i_cat == AUDIO_ES )
723 /* find the audio number PLEASE find another way */
724 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
728 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
732 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
736 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
741 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
743 else if( tk->fmt.i_cat == SPU_ES )
746 tk->fmt.subs.spu.palette[0] = 0xBeef;
747 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
748 16 * sizeof( uint32_t ) );
750 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
753 tk->es = es_out_Add( p_demux->out, &tk->fmt );
757 /*****************************************************************************
758 * DvdReadSetArea: initialize input data for title x, chapter y.
759 * It should be called for each user navigation request.
760 *****************************************************************************
761 * Take care that i_title and i_chapter start from 0.
762 *****************************************************************************/
763 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
766 VLC_UNUSED( i_angle );
768 demux_sys_t *p_sys = p_demux->p_sys;
769 int pgc_id = 0, pgn = 0;
772 #define p_pgc p_sys->p_cur_pgc
773 #define p_vmg p_sys->p_vmg_file
774 #define p_vts p_sys->p_vts_file
776 if( i_title >= 0 && i_title < p_sys->i_titles &&
777 i_title != p_sys->i_title )
779 int i_start_cell, i_end_cell;
781 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
782 if( p_vts != NULL ) ifoClose( p_vts );
783 p_sys->i_title = i_title;
786 * We have to load all title information
788 msg_Dbg( p_demux, "open VTS %d, for title %d",
789 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
792 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
793 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
795 msg_Err( p_demux, "fatal error in vts ifo" );
799 /* Title position inside the selected vts */
800 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
802 /* Find title start/end */
803 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
804 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
805 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
807 p_sys->i_title_start_cell =
808 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
809 p_sys->i_title_start_block =
810 p_pgc->cell_playback[i_start_cell].first_sector;
812 p_sys->i_title_end_cell =
813 i_end_cell = p_pgc->nr_of_cells - 1;
814 p_sys->i_title_end_block =
815 p_pgc->cell_playback[i_end_cell].last_sector;
817 p_sys->i_title_offset = 0;
819 p_sys->i_title_blocks = 0;
820 for( i = i_start_cell; i <= i_end_cell; i++ )
822 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
823 p_pgc->cell_playback[i].first_sector + 1;
826 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
827 "start %d end %d blocks: %d",
828 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
829 p_sys->i_title_start_block, p_sys->i_title_end_block,
830 p_sys->i_title_blocks );
833 * Set properties for current chapter
835 p_sys->i_chapter = 0;
837 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
839 pgc_id = p_vts->vts_ptt_srpt->title[
840 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
841 pgn = p_vts->vts_ptt_srpt->title[
842 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
844 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
845 p_sys->i_pack_len = 0;
847 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
848 DvdReadFindCell( p_demux );
850 p_sys->i_next_vobu = p_sys->i_cur_block =
851 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
856 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
857 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
860 * We've got enough info, time to open the title set data.
862 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
863 p_vmg->tt_srpt->title[i_title].title_set_nr,
864 DVD_READ_TITLE_VOBS ) ) )
866 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
867 p_vmg->tt_srpt->title[i_title].title_set_nr );
871 //IfoPrintTitle( p_demux );
874 * Destroy obsolete ES by reinitializing program 0
875 * and find all ES in title with ifo data
877 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
879 for( i = 0; i < PS_TK_COUNT; i++ )
881 ps_track_t *tk = &p_sys->tk[i];
884 es_format_Clean( &tk->fmt );
885 if( tk->es ) es_out_Del( p_demux->out, tk->es );
890 if( p_demux->info.i_title != i_title )
892 p_demux->info.i_update |=
893 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
894 p_demux->info.i_title = i_title;
895 p_demux->info.i_seekpoint = 0;
898 /* TODO: re-add angles */
901 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
902 const video_attr_t *p_attr = &p_vts->vtsi_mat->vts_video_attr;
903 int i_video_height = p_attr->video_format != 0 ? 576 : 480;
905 switch( p_attr->picture_size )
922 switch( p_attr->display_aspect_ratio )
925 p_sys->i_sar_num = 4 * i_video_height;
926 p_sys->i_sar_den = 3 * i_video_width;
929 p_sys->i_sar_num = 16 * i_video_height;
930 p_sys->i_sar_den = 9 * i_video_width;
933 p_sys->i_sar_num = 0;
934 p_sys->i_sar_den = 0;
938 #define audio_control \
939 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
941 /* Audio ES, in the order they appear in the .ifo */
942 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
947 //IfoPrintAudio( p_demux, i );
949 /* Audio channel is active if first byte is 0x80 */
950 if( audio_control & 0x8000 )
952 i_position = ( audio_control & 0x7F00 ) >> 8;
954 msg_Dbg( p_demux, "audio position %d", i_position );
955 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
958 i_id = (0x80 + i_position) | 0xbd00;
961 case 0x03: /* MPEG audio */
962 i_id = 0xc000 + i_position;
964 case 0x04: /* LPCM */
965 i_id = (0xa0 + i_position) | 0xbd00;
968 i_id = (0x88 + i_position) | 0xbd00;
972 msg_Err( p_demux, "unknown audio type %.2x",
973 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
976 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
977 vts_audio_attr[i - 1].lang_code );
982 #define spu_palette \
983 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
985 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
987 #define spu_control \
988 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
991 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
996 //IfoPrintSpu( p_sys, i );
997 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
999 if( spu_control & 0x80000000 )
1001 /* there are several streams for one spu */
1002 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
1005 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
1007 case 1: /* letterbox */
1008 i_position = spu_control & 0xff;
1010 case 2: /* pan&scan */
1011 i_position = ( spu_control >> 8 ) & 0xff;
1013 default: /* widescreen */
1014 i_position = ( spu_control >> 16 ) & 0xff;
1021 i_position = ( spu_control >> 24 ) & 0x7F;
1024 i_id = (0x20 + i_position) | 0xbd00;
1026 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
1027 vts_subp_attr[i - 1].lang_code );
1033 else if( i_title != -1 && i_title != p_sys->i_title )
1036 return VLC_EGENERIC; /* Couldn't set title */
1043 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
1045 pgc_id = p_vts->vts_ptt_srpt->title[
1046 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1047 pgn = p_vts->vts_ptt_srpt->title[
1048 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1050 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1052 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1053 p_sys->i_chapter = i_chapter;
1054 DvdReadFindCell( p_demux );
1056 p_sys->i_title_offset = 0;
1057 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1059 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1060 p_pgc->cell_playback[i].first_sector + 1;
1063 p_sys->i_pack_len = 0;
1064 p_sys->i_next_vobu = p_sys->i_cur_block =
1065 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1067 if( p_demux->info.i_seekpoint != i_chapter )
1069 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1070 p_demux->info.i_seekpoint = i_chapter;
1073 else if( i_chapter != -1 )
1076 return VLC_EGENERIC; /* Couldn't set chapter */
1086 /*****************************************************************************
1087 * DvdReadSeek : Goes to a given position on the stream.
1088 *****************************************************************************
1089 * This one is used by the input and translate chronological position from
1090 * input to logical position on the device.
1091 *****************************************************************************/
1092 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1094 demux_sys_t *p_sys = p_demux->p_sys;
1101 #define p_pgc p_sys->p_cur_pgc
1102 #define p_vts p_sys->p_vts_file
1105 i_block = i_block_offset;
1106 for( i_cell = p_sys->i_title_start_cell;
1107 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1109 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1110 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1112 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1113 p_pgc->cell_playback[i_cell].first_sector + 1);
1115 if( i_cell > p_sys->i_title_end_cell )
1117 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1120 i_block += p_pgc->cell_playback[i_cell].first_sector;
1121 p_sys->i_title_offset = i_block_offset;
1124 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1126 int pgc_id, pgn, i_tmp;
1128 pgc_id = p_vts->vts_ptt_srpt->title[
1129 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1130 pgn = p_vts->vts_ptt_srpt->title[
1131 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1133 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1135 if( i_tmp > i_cell ) break;
1138 if( i_chapter < p_sys->i_chapters &&
1139 p_demux->info.i_seekpoint != i_chapter )
1141 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1142 p_demux->info.i_seekpoint = i_chapter;
1146 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1152 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1153 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1159 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1160 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1161 i_cell, i_sub_cell, i_chapter, i_vobu,
1162 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1163 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1164 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1167 p_sys->i_cur_block = i_block;
1168 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1169 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1170 p_sys->i_cur_cell = i_cell;
1171 p_sys->i_chapter = i_chapter;
1172 DvdReadFindCell( p_demux );
1180 /*****************************************************************************
1182 *****************************************************************************/
1183 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1185 demux_sys_t *p_sys = p_demux->p_sys;
1187 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1190 * Determine where we go next. These values are the ones we mostly
1193 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1194 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1197 * Store the timecodes so we can get the current time
1199 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1200 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1203 * If we're not at the end of this cell, we can determine the next
1204 * VOBU to display using the VOBU_SRI information section of the
1205 * DSI. Using this value correctly follows the current angle,
1206 * avoiding the doubled scenes in The Matrix, and makes our life
1210 p_sys->i_next_vobu = p_sys->i_cur_block +
1211 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1213 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1214 && p_sys->i_angle > 1 )
1216 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1219 /* Interleaved unit with no angle */
1220 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1222 p_sys->i_next_vobu = p_sys->i_cur_block +
1223 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1224 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1228 p_sys->i_next_vobu = p_sys->i_cur_block +
1229 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1233 /* vobu is end of ilvu */
1234 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1236 p_sys->i_next_vobu = p_sys->i_cur_block +
1237 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1238 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1243 /* vobu is beginning of ilvu */
1247 /* entering interleaved section */
1249 /* non interleaved cells in interleaved section */
1251 p_sys->i_next_vobu = p_sys->i_cur_block +
1252 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1256 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1258 p_sys->i_cur_cell = p_sys->i_next_cell;
1261 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1263 DvdReadFindCell( p_demux );
1265 p_sys->i_next_vobu =
1266 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1268 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 );
1273 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1274 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1275 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1276 p_sys->dsi_pack.dsi_gi.vobu_ea,
1277 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1278 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1279 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1281 msg_Dbg( p_demux, "cell duration: %lld",
1282 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1284 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1285 p_sys->dsi_pack.sml_pbi.category,
1286 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1287 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1288 p_sys->dsi_pack.sml_pbi.size );
1290 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1291 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1292 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1293 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1297 /*****************************************************************************
1299 *****************************************************************************/
1300 static void DvdReadFindCell( demux_t *p_demux )
1302 demux_sys_t *p_sys = p_demux->p_sys;
1308 #define cell p_sys->p_cur_pgc->cell_playback
1310 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1312 p_sys->i_cur_cell += p_sys->i_angle - 1;
1314 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1318 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1322 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1327 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1329 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1330 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1331 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1332 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1333 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1335 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1339 if( p_sys->i_chapter < p_sys->i_chapters &&
1340 p_demux->info.i_seekpoint != p_sys->i_chapter )
1342 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1343 p_demux->info.i_seekpoint = p_sys->i_chapter;
1348 /*****************************************************************************
1349 * DemuxTitles: get the titles/chapters structure
1350 *****************************************************************************/
1351 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1353 VLC_UNUSED( pi_angle );
1355 demux_sys_t *p_sys = p_demux->p_sys;
1359 /* Find out number of titles/chapters */
1360 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1362 int32_t i_titles = tt_srpt->nr_of_srpts;
1363 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1365 for( int i = 0; i < i_titles; i++ )
1367 int32_t i_chapters = 0;
1370 i_chapters = tt_srpt->title[i].nr_of_ptts;
1371 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1373 t = vlc_input_title_New();
1375 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1377 s = vlc_seekpoint_New();
1378 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1381 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );