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 static int Open ( vlc_object_t * );
80 static void Close( vlc_object_t * );
83 set_shortname( N_("DVD without menus") )
84 set_description( N_("DVDRead Input (no menu support)") )
85 set_category( CAT_INPUT )
86 set_subcategory( SUBCAT_INPUT_ACCESS )
87 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
88 ANGLE_LONGTEXT, false )
89 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
90 CACHING_TEXT, CACHING_LONGTEXT, true )
91 add_obsolete_string( "dvdread-css-method" ) /* obsolete since 1.1.0 */
92 set_capability( "access_demux", 0 )
93 add_shortcut( "dvd", "dvdread", "dvdsimple" )
94 set_callbacks( Open, Close )
97 /* how many blocks DVDRead will read in each loop */
98 #define DVD_BLOCK_READ_ONCE 4
100 /*****************************************************************************
102 *****************************************************************************/
107 dvd_reader_t *p_dvdread;
110 ifo_handle_t *p_vmg_file;
111 ifo_handle_t *p_vts_file;
114 int i_chapter, i_chapters;
115 int i_angle, i_angles;
117 tt_srpt_t *p_tt_srpt;
128 /* Current title start/end blocks */
129 int i_title_start_block;
130 int i_title_end_block;
133 mtime_t i_title_cur_time;
135 int i_title_start_cell;
136 int i_title_end_cell;
139 mtime_t i_cell_cur_time;
140 mtime_t i_cell_duration;
143 ps_track_t tk[PS_TK_COUNT];
146 input_title_t **titles;
156 static int Control ( demux_t *, int, va_list );
157 static int Demux ( demux_t * );
158 static int DemuxBlock( demux_t *, uint8_t *, int );
160 static void DemuxTitles( demux_t *, int * );
161 static void ESNew( demux_t *, int, int );
163 static int DvdReadSetArea ( demux_t *, int, int, int );
164 static void DvdReadSeek ( demux_t *, int );
165 static void DvdReadHandleDSI( demux_t *, uint8_t * );
166 static void DvdReadFindCell ( demux_t * );
168 /*****************************************************************************
170 *****************************************************************************/
171 static int Open( vlc_object_t *p_this )
173 demux_t *p_demux = (demux_t*)p_this;
176 dvd_reader_t *p_dvdread;
177 ifo_handle_t *p_vmg_file;
179 if( !p_demux->psz_file || !*p_demux->psz_file )
181 /* Only when selected */
182 if( !p_demux->psz_access || !*p_demux->psz_access )
185 psz_name = var_CreateGetString( p_this, "dvd" );
188 psz_name = strdup("");
192 psz_name = ToLocaleDup( p_demux->psz_file );
195 if( psz_name[0] && psz_name[1] == ':' &&
196 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
200 if( !(p_dvdread = DVDOpen( psz_name )) )
202 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
203 dialog_Fatal( p_demux, _("Playback failure"),
204 _("DVDRead could not open the disc \"%s\"."), psz_name );
210 /* Ifo allocation & initialisation */
211 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
213 msg_Warn( p_demux, "cannot open VMG info" );
216 msg_Dbg( p_demux, "VMG opened" );
218 /* Fill p_demux field */
219 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
221 ps_track_init( p_sys->tk );
222 p_sys->i_sar_num = 0;
223 p_sys->i_sar_den = 0;
224 p_sys->i_title_cur_time = (mtime_t) 0;
225 p_sys->i_cell_cur_time = (mtime_t) 0;
226 p_sys->i_cell_duration = (mtime_t) 0;
228 p_sys->p_dvdread = p_dvdread;
229 p_sys->p_vmg_file = p_vmg_file;
230 p_sys->p_title = NULL;
231 p_sys->p_vts_file = NULL;
233 p_sys->i_title = p_sys->i_chapter = -1;
234 p_sys->i_mux_rate = 0;
236 p_sys->i_angle = var_CreateGetInteger( p_demux, "dvdread-angle" );
237 if( p_sys->i_angle <= 0 ) p_sys->i_angle = 1;
239 DemuxTitles( p_demux, &p_sys->i_angle );
240 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
243 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
248 /* Update default_pts to a suitable value for dvdread access */
249 var_Create( p_demux, "dvdread-caching",
250 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
255 /*****************************************************************************
257 *****************************************************************************/
258 static void Close( vlc_object_t *p_this )
260 demux_t *p_demux = (demux_t*)p_this;
261 demux_sys_t *p_sys = p_demux->p_sys;
264 for( i = 0; i < PS_TK_COUNT; i++ )
266 ps_track_t *tk = &p_sys->tk[i];
269 es_format_Clean( &tk->fmt );
270 if( tk->es ) es_out_Del( p_demux->out, tk->es );
274 /* Free the array of titles */
275 for( int i = 0; i < p_sys->i_titles; i++ )
276 vlc_input_title_Delete( p_sys->titles[i] );
277 TAB_CLEAN( p_sys->i_titles, p_sys->titles );
279 /* Close libdvdread */
280 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
281 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
282 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
283 DVDClose( p_sys->p_dvdread );
288 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
290 /* Macro to convert Binary Coded Decimal to Decimal */
291 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
294 int64_t i_micro_second = 0;
296 if (still_time == 0 || still_time == 0xFF)
298 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
299 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
300 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
302 switch((dtime->frame_u & 0xc0) >> 6)
314 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
315 i_micro_second += (int64_t)(f_ms * 1000.0);
319 i_micro_second = still_time;
320 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
323 return i_micro_second;
326 /*****************************************************************************
328 *****************************************************************************/
329 static int Control( demux_t *p_demux, int i_query, va_list args )
331 demux_sys_t *p_sys = p_demux->p_sys;
335 input_title_t ***ppp_title;
341 case DEMUX_GET_POSITION:
343 pf = (double*) va_arg( args, double* );
345 if( p_sys->i_title_blocks > 0 )
346 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
352 case DEMUX_SET_POSITION:
354 f = (double)va_arg( args, double );
356 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
361 pi64 = (int64_t*)va_arg( args, int64_t * );
362 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
364 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
365 p_sys->i_title_blocks * p_sys->i_title_offset;
371 case DEMUX_GET_LENGTH:
372 pi64 = (int64_t*)va_arg( args, int64_t * );
373 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
375 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
381 /* Special for access_demux */
382 case DEMUX_CAN_PAUSE:
384 case DEMUX_CAN_CONTROL_PACE:
386 pb = (bool*)va_arg( args, bool * );
390 case DEMUX_SET_PAUSE_STATE:
393 case DEMUX_GET_TITLE_INFO:
394 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
395 pi_int = (int*)va_arg( args, int* );
396 *((int*)va_arg( args, int* )) = 1; /* Title offset */
397 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
399 /* Duplicate title infos */
400 *pi_int = p_sys->i_titles;
401 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
402 for( i = 0; i < p_sys->i_titles; i++ )
404 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
408 case DEMUX_SET_TITLE:
409 i = (int)va_arg( args, int );
410 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
412 msg_Warn( p_demux, "cannot set title/chapter" );
415 p_demux->info.i_update |=
416 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
417 p_demux->info.i_title = i;
418 p_demux->info.i_seekpoint = 0;
421 case DEMUX_SET_SEEKPOINT:
422 i = (int)va_arg( args, int );
423 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
425 msg_Warn( p_demux, "cannot set title/chapter" );
428 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
429 p_demux->info.i_seekpoint = i;
432 case DEMUX_GET_PTS_DELAY:
433 pi64 = (int64_t*)va_arg( args, int64_t * );
434 *pi64 = var_GetInteger( p_demux, "dvdread-caching" )*1000;
437 /* TODO implement others */
443 /*****************************************************************************
445 *****************************************************************************/
446 static int Demux( demux_t *p_demux )
448 demux_sys_t *p_sys = p_demux->p_sys;
450 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
451 int i_blocks_once, i_read;
455 * Playback by cell in this pgc, starting at the cell for our chapter.
459 * Check end of pack, and select the following one
461 if( !p_sys->i_pack_len )
463 /* Read NAV packet */
464 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
467 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
468 dialog_Fatal( p_demux, _("Playback failure"),
469 _("DVDRead could not read block %d."),
470 p_sys->i_next_vobu );
474 /* Basic check to be sure we don't have a empty title
475 * go to next title if so */
476 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
478 /* Parse the contained dsi packet */
479 DvdReadHandleDSI( p_demux, p_buffer );
482 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
484 if( p_sys->i_title + 1 >= p_sys->i_titles )
489 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
492 if( p_sys->i_pack_len >= 1024 )
494 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
495 "This shouldn't happen!", p_sys->i_pack_len );
499 /* FIXME: Ugly kludge: we send the pack block to the input for it
500 * sometimes has a zero scr and restart the sync */
501 p_sys->i_cur_block++;
502 p_sys->i_title_offset++;
504 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
507 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
509 if( p_sys->i_title + 1 >= p_sys->i_titles )
514 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
520 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
521 p_sys->i_pack_len -= i_blocks_once;
524 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
525 i_blocks_once, p_buffer );
526 if( i_read != i_blocks_once )
528 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
529 i_read, i_blocks_once, p_sys->i_cur_block );
530 dialog_Fatal( p_demux, _("Playback failure"),
531 _("DVDRead could not read %d/%d blocks at 0x%02x."),
532 i_read, i_blocks_once, p_sys->i_cur_block );
536 p_sys->i_cur_block += i_read;
537 p_sys->i_title_offset += i_read;
540 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
541 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
544 for( i = 0; i < i_read; i++ )
546 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
555 /*****************************************************************************
556 * DemuxBlock: demux a given block
557 *****************************************************************************/
558 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
560 demux_sys_t *p_sys = p_demux->p_sys;
563 while( p && p < &pkt[i_pkt] )
566 int i_size = &pkt[i_pkt] - p;
571 i_size = ps_pkt_size( p, i_size );
578 p_pkt = block_New( p_demux, i_size );
579 memcpy( p_pkt->p_buffer, p, i_size);
581 /* Parse it and send it */
582 switch( 0x100 | p[3] )
591 msg_Warn( p_demux, "received a PSM packet" );
593 else if( p[3] == 0xbb )
595 msg_Warn( p_demux, "received a SYSTEM packet" );
598 block_Release( p_pkt );
605 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
607 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
608 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
610 block_Release( p_pkt );
615 int i_id = ps_pkt_id( p_pkt );
618 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
622 ESNew( p_demux, i_id, 0 );
624 if( tk->b_seen && tk->es &&
625 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
627 es_out_Send( p_demux->out, tk->es, p_pkt );
631 block_Release( p_pkt );
636 block_Release( p_pkt );
648 /*****************************************************************************
649 * ESNew: register a new elementary stream
650 *****************************************************************************/
651 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
653 demux_sys_t *p_sys = p_demux->p_sys;
654 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
655 char psz_language[3];
657 if( tk->b_seen ) return;
659 if( ps_track_fill( tk, 0, i_id ) )
661 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
665 psz_language[0] = psz_language[1] = psz_language[2] = 0;
666 if( i_lang && i_lang != 0xffff )
668 psz_language[0] = (i_lang >> 8)&0xff;
669 psz_language[1] = (i_lang )&0xff;
673 if( tk->fmt.i_cat == VIDEO_ES )
675 tk->fmt.video.i_sar_num = p_sys->i_sar_num;
676 tk->fmt.video.i_sar_den = p_sys->i_sar_den;
678 else if( tk->fmt.i_cat == AUDIO_ES )
681 /* find the audio number PLEASE find another way */
682 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
686 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
690 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
694 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
699 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
701 else if( tk->fmt.i_cat == SPU_ES )
704 tk->fmt.subs.spu.palette[0] = 0xBeef;
705 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
706 16 * sizeof( uint32_t ) );
708 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
711 tk->es = es_out_Add( p_demux->out, &tk->fmt );
715 /*****************************************************************************
716 * DvdReadSetArea: initialize input data for title x, chapter y.
717 * It should be called for each user navigation request.
718 *****************************************************************************
719 * Take care that i_title and i_chapter start from 0.
720 *****************************************************************************/
721 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
724 VLC_UNUSED( i_angle );
726 demux_sys_t *p_sys = p_demux->p_sys;
727 int pgc_id = 0, pgn = 0;
730 #define p_pgc p_sys->p_cur_pgc
731 #define p_vmg p_sys->p_vmg_file
732 #define p_vts p_sys->p_vts_file
734 if( i_title >= 0 && i_title < p_sys->i_titles &&
735 i_title != p_sys->i_title )
737 int i_start_cell, i_end_cell;
739 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
740 if( p_vts != NULL ) ifoClose( p_vts );
741 p_sys->i_title = i_title;
744 * We have to load all title information
746 msg_Dbg( p_demux, "open VTS %d, for title %d",
747 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
750 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
751 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
753 msg_Err( p_demux, "fatal error in vts ifo" );
757 /* Title position inside the selected vts */
758 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
760 /* Find title start/end */
761 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
762 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
763 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
765 p_sys->i_title_start_cell =
766 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
767 p_sys->i_title_start_block =
768 p_pgc->cell_playback[i_start_cell].first_sector;
770 p_sys->i_title_end_cell =
771 i_end_cell = p_pgc->nr_of_cells - 1;
772 p_sys->i_title_end_block =
773 p_pgc->cell_playback[i_end_cell].last_sector;
775 p_sys->i_title_offset = 0;
777 p_sys->i_title_blocks = 0;
778 for( i = i_start_cell; i <= i_end_cell; i++ )
780 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
781 p_pgc->cell_playback[i].first_sector + 1;
784 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
785 "start %d end %d blocks: %d",
786 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
787 p_sys->i_title_start_block, p_sys->i_title_end_block,
788 p_sys->i_title_blocks );
791 * Set properties for current chapter
793 p_sys->i_chapter = 0;
795 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
797 pgc_id = p_vts->vts_ptt_srpt->title[
798 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
799 pgn = p_vts->vts_ptt_srpt->title[
800 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
802 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
803 p_sys->i_pack_len = 0;
805 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
806 DvdReadFindCell( p_demux );
808 p_sys->i_next_vobu = p_sys->i_cur_block =
809 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
814 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
815 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
818 * We've got enough info, time to open the title set data.
820 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
821 p_vmg->tt_srpt->title[i_title].title_set_nr,
822 DVD_READ_TITLE_VOBS ) ) )
824 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
825 p_vmg->tt_srpt->title[i_title].title_set_nr );
829 //IfoPrintTitle( p_demux );
832 * Destroy obsolete ES by reinitializing program 0
833 * and find all ES in title with ifo data
835 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
837 for( i = 0; i < PS_TK_COUNT; i++ )
839 ps_track_t *tk = &p_sys->tk[i];
842 es_format_Clean( &tk->fmt );
843 if( tk->es ) es_out_Del( p_demux->out, tk->es );
848 if( p_demux->info.i_title != i_title )
850 p_demux->info.i_update |=
851 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
852 p_demux->info.i_title = i_title;
853 p_demux->info.i_seekpoint = 0;
856 /* TODO: re-add angles */
859 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
860 const video_attr_t *p_attr = &p_vts->vtsi_mat->vts_video_attr;
861 int i_video_height = p_attr->video_format != 0 ? 576 : 480;
863 switch( p_attr->picture_size )
880 switch( p_attr->display_aspect_ratio )
883 p_sys->i_sar_num = 4 * i_video_height;
884 p_sys->i_sar_den = 3 * i_video_width;
887 p_sys->i_sar_num = 16 * i_video_height;
888 p_sys->i_sar_den = 9 * i_video_width;
891 p_sys->i_sar_num = 0;
892 p_sys->i_sar_den = 0;
896 #define audio_control \
897 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
899 /* Audio ES, in the order they appear in the .ifo */
900 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
905 //IfoPrintAudio( p_demux, i );
907 /* Audio channel is active if first byte is 0x80 */
908 if( audio_control & 0x8000 )
910 i_position = ( audio_control & 0x7F00 ) >> 8;
912 msg_Dbg( p_demux, "audio position %d", i_position );
913 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
916 i_id = (0x80 + i_position) | 0xbd00;
919 case 0x03: /* MPEG audio */
920 i_id = 0xc000 + i_position;
922 case 0x04: /* LPCM */
923 i_id = (0xa0 + i_position) | 0xbd00;
926 i_id = (0x88 + i_position) | 0xbd00;
930 msg_Err( p_demux, "unknown audio type %.2x",
931 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
934 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
935 vts_audio_attr[i - 1].lang_code );
940 #define spu_palette \
941 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
943 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
945 #define spu_control \
946 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
949 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
954 //IfoPrintSpu( p_sys, i );
955 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
957 if( spu_control & 0x80000000 )
959 /* there are several streams for one spu */
960 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
963 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
965 case 1: /* letterbox */
966 i_position = spu_control & 0xff;
968 case 2: /* pan&scan */
969 i_position = ( spu_control >> 8 ) & 0xff;
971 default: /* widescreen */
972 i_position = ( spu_control >> 16 ) & 0xff;
979 i_position = ( spu_control >> 24 ) & 0x7F;
982 i_id = (0x20 + i_position) | 0xbd00;
984 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
985 vts_subp_attr[i - 1].lang_code );
991 else if( i_title != -1 && i_title != p_sys->i_title )
994 return VLC_EGENERIC; /* Couldn't set title */
1001 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
1003 pgc_id = p_vts->vts_ptt_srpt->title[
1004 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1005 pgn = p_vts->vts_ptt_srpt->title[
1006 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1008 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1010 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1011 p_sys->i_chapter = i_chapter;
1012 DvdReadFindCell( p_demux );
1014 p_sys->i_title_offset = 0;
1015 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1017 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1018 p_pgc->cell_playback[i].first_sector + 1;
1021 p_sys->i_pack_len = 0;
1022 p_sys->i_next_vobu = p_sys->i_cur_block =
1023 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1025 if( p_demux->info.i_seekpoint != i_chapter )
1027 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1028 p_demux->info.i_seekpoint = i_chapter;
1031 else if( i_chapter != -1 )
1034 return VLC_EGENERIC; /* Couldn't set chapter */
1044 /*****************************************************************************
1045 * DvdReadSeek : Goes to a given position on the stream.
1046 *****************************************************************************
1047 * This one is used by the input and translate chronological position from
1048 * input to logical position on the device.
1049 *****************************************************************************/
1050 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1052 demux_sys_t *p_sys = p_demux->p_sys;
1059 #define p_pgc p_sys->p_cur_pgc
1060 #define p_vts p_sys->p_vts_file
1063 i_block = i_block_offset;
1064 for( i_cell = p_sys->i_title_start_cell;
1065 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1067 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1068 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1070 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1071 p_pgc->cell_playback[i_cell].first_sector + 1);
1073 if( i_cell > p_sys->i_title_end_cell )
1075 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1078 i_block += p_pgc->cell_playback[i_cell].first_sector;
1079 p_sys->i_title_offset = i_block_offset;
1082 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1084 int pgc_id, pgn, i_tmp;
1086 pgc_id = p_vts->vts_ptt_srpt->title[
1087 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1088 pgn = p_vts->vts_ptt_srpt->title[
1089 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1091 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1093 if( i_tmp > i_cell ) break;
1096 if( i_chapter < p_sys->i_chapters &&
1097 p_demux->info.i_seekpoint != i_chapter )
1099 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1100 p_demux->info.i_seekpoint = i_chapter;
1104 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1110 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1111 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1117 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1118 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1119 i_cell, i_sub_cell, i_chapter, i_vobu,
1120 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1121 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1122 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1125 p_sys->i_cur_block = i_block;
1126 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1127 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1128 p_sys->i_cur_cell = i_cell;
1129 p_sys->i_chapter = i_chapter;
1130 DvdReadFindCell( p_demux );
1138 /*****************************************************************************
1140 *****************************************************************************/
1141 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1143 demux_sys_t *p_sys = p_demux->p_sys;
1145 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1148 * Determine where we go next. These values are the ones we mostly
1151 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1152 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1155 * Store the timecodes so we can get the current time
1157 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1158 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1161 * If we're not at the end of this cell, we can determine the next
1162 * VOBU to display using the VOBU_SRI information section of the
1163 * DSI. Using this value correctly follows the current angle,
1164 * avoiding the doubled scenes in The Matrix, and makes our life
1168 p_sys->i_next_vobu = p_sys->i_cur_block +
1169 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1171 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1172 && p_sys->i_angle > 1 )
1174 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1177 /* Interleaved unit with no angle */
1178 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1180 p_sys->i_next_vobu = p_sys->i_cur_block +
1181 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1182 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1186 p_sys->i_next_vobu = p_sys->i_cur_block +
1187 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1191 /* vobu is end of ilvu */
1192 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1194 p_sys->i_next_vobu = p_sys->i_cur_block +
1195 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1196 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1201 /* vobu is beginning of ilvu */
1205 /* entering interleaved section */
1207 /* non interleaved cells in interleaved section */
1209 p_sys->i_next_vobu = p_sys->i_cur_block +
1210 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1214 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1216 p_sys->i_cur_cell = p_sys->i_next_cell;
1219 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1221 DvdReadFindCell( p_demux );
1223 p_sys->i_next_vobu =
1224 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1226 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 );
1231 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1232 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1233 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1234 p_sys->dsi_pack.dsi_gi.vobu_ea,
1235 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1236 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1237 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1239 msg_Dbg( p_demux, "cell duration: %lld",
1240 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1242 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1243 p_sys->dsi_pack.sml_pbi.category,
1244 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1245 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1246 p_sys->dsi_pack.sml_pbi.size );
1248 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1249 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1250 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1251 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1255 /*****************************************************************************
1257 *****************************************************************************/
1258 static void DvdReadFindCell( demux_t *p_demux )
1260 demux_sys_t *p_sys = p_demux->p_sys;
1266 #define cell p_sys->p_cur_pgc->cell_playback
1268 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1270 p_sys->i_cur_cell += p_sys->i_angle - 1;
1272 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1276 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1280 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1285 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1287 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1288 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1289 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1290 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1291 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1293 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1297 if( p_sys->i_chapter < p_sys->i_chapters &&
1298 p_demux->info.i_seekpoint != p_sys->i_chapter )
1300 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1301 p_demux->info.i_seekpoint = p_sys->i_chapter;
1306 /*****************************************************************************
1307 * DemuxTitles: get the titles/chapters structure
1308 *****************************************************************************/
1309 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1311 VLC_UNUSED( pi_angle );
1313 demux_sys_t *p_sys = p_demux->p_sys;
1317 /* Find out number of titles/chapters */
1318 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1320 int32_t i_titles = tt_srpt->nr_of_srpts;
1321 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1323 for( int i = 0; i < i_titles; i++ )
1325 int32_t i_chapters = 0;
1328 i_chapters = tt_srpt->title[i].nr_of_ptts;
1329 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1331 t = vlc_input_title_New();
1333 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1335 s = vlc_seekpoint_New();
1336 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1339 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );