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>
39 #include <vlc_interface.h>
41 #include <vlc_iso_lang.h>
43 #include "../demux/ps.h"
50 #include <sys/types.h>
53 #ifdef HAVE_DVDREAD_DVD_READER_H
54 #include <dvdread/dvd_reader.h>
55 #include <dvdread/ifo_types.h>
56 #include <dvdread/ifo_read.h>
57 #include <dvdread/nav_read.h>
58 #include <dvdread/nav_print.h>
60 #include <libdvdread/dvd_reader.h>
61 #include <libdvdread/ifo_types.h>
62 #include <libdvdread/ifo_read.h>
63 #include <libdvdread/nav_read.h>
64 #include <libdvdread/nav_print.h>
69 /*****************************************************************************
71 *****************************************************************************/
72 #define ANGLE_TEXT N_("DVD angle")
73 #define ANGLE_LONGTEXT N_( \
74 "Default DVD angle." )
76 #define CACHING_TEXT N_("Caching value in ms")
77 #define CACHING_LONGTEXT N_( \
78 "Caching value for DVDs. " \
79 "This value should be set in milliseconds." )
81 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
82 #define CSSMETHOD_LONGTEXT N_( \
83 "Set the method used by libdvdcss for key decryption.\n" \
84 "title: decrypted title key is guessed from the encrypted sectors of " \
85 "the stream. Thus it should work with a file as well as the " \
86 "DVD device. But it sometimes takes much time to decrypt a title " \
87 "key and may even fail. With this method, the key is only checked "\
88 "at the beginning of each title, so it won't work if the key " \
89 "changes in the middle of a title.\n" \
90 "disc: the disc key is first cracked, then all title keys can be " \
91 "decrypted instantly, which allows us to check them often.\n" \
92 "key: the same as \"disc\" if you don't have a file with player keys " \
93 "at compilation time. If you do, the decryption of the disc key " \
94 "will be faster with this method. It is the one that was used by " \
96 "The default method is: key.")
98 static const char *const psz_css_list[] = { "title", "disc", "key" };
99 static const char *const psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
101 static int Open ( vlc_object_t * );
102 static void Close( vlc_object_t * );
105 set_shortname( N_("DVD without menus") );
106 set_description( N_("DVDRead Input (DVD without menu support)") );
107 set_category( CAT_INPUT );
108 set_subcategory( SUBCAT_INPUT_ACCESS );
109 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
110 ANGLE_LONGTEXT, false );
111 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
112 CACHING_TEXT, CACHING_LONGTEXT, true );
113 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
114 CSSMETHOD_LONGTEXT, true );
115 change_string_list( psz_css_list, psz_css_list_text, 0 );
116 set_capability( "access_demux", 0 );
117 add_shortcut( "dvd" );
118 add_shortcut( "dvdread" );
119 add_shortcut( "dvdsimple" );
120 set_callbacks( Open, Close );
123 /* how many blocks DVDRead will read in each loop */
124 #define DVD_BLOCK_READ_ONCE 4
126 /*****************************************************************************
128 *****************************************************************************/
133 dvd_reader_t *p_dvdread;
136 ifo_handle_t *p_vmg_file;
137 ifo_handle_t *p_vts_file;
140 int i_chapter, i_chapters;
141 int i_angle, i_angles;
143 tt_srpt_t *p_tt_srpt;
154 /* Current title start/end blocks */
155 int i_title_start_block;
156 int i_title_end_block;
159 mtime_t i_title_cur_time;
161 int i_title_start_cell;
162 int i_title_end_cell;
165 mtime_t i_cell_cur_time;
166 mtime_t i_cell_duration;
169 ps_track_t tk[PS_TK_COUNT];
172 input_title_t **titles;
181 static int Control ( demux_t *, int, va_list );
182 static int Demux ( demux_t * );
183 static int DemuxBlock( demux_t *, uint8_t *, int );
185 static void DemuxTitles( demux_t *, int * );
186 static void ESNew( demux_t *, int, int );
188 static int DvdReadSetArea ( demux_t *, int, int, int );
189 static void DvdReadSeek ( demux_t *, int );
190 static void DvdReadHandleDSI( demux_t *, uint8_t * );
191 static void DvdReadFindCell ( demux_t * );
193 /*****************************************************************************
195 *****************************************************************************/
196 static int Open( vlc_object_t *p_this )
198 demux_t *p_demux = (demux_t*)p_this;
201 char *psz_dvdcss_env;
202 dvd_reader_t *p_dvdread;
203 ifo_handle_t *p_vmg_file;
206 if( !p_demux->psz_path || !*p_demux->psz_path )
208 /* Only when selected */
209 if( !p_this->b_force ) return VLC_EGENERIC;
211 psz_name = var_CreateGetString( p_this, "dvd" );
214 psz_name = strdup("");
218 psz_name = ToLocaleDup( p_demux->psz_path );
221 if( psz_name[0] && psz_name[1] == ':' &&
222 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
225 /* Override environment variable DVDCSS_METHOD with config option
226 * (FIXME: this creates a small memory leak) */
227 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
228 if( psz_dvdcss_env && *psz_dvdcss_env )
232 psz_env = malloc( strlen("DVDCSS_METHOD=") +
233 strlen( psz_dvdcss_env ) + 1 );
236 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 intf_UserFatal( p_demux, false, _("Playback failure"),
251 _("DVDRead could not open the disk \"%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_aspect = -1;
270 p_sys->i_title_cur_time = (mtime_t) 0;
271 p_sys->i_cell_cur_time = (mtime_t) 0;
272 p_sys->i_cell_duration = (mtime_t) 0;
274 p_sys->p_dvdread = p_dvdread;
275 p_sys->p_vmg_file = p_vmg_file;
276 p_sys->p_title = NULL;
277 p_sys->p_vts_file = NULL;
279 p_sys->i_title = p_sys->i_chapter = -1;
280 p_sys->i_mux_rate = 0;
282 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
283 var_Get( p_demux, "dvdread-angle", &val );
284 p_sys->i_angle = val.i_int > 0 ? val.i_int : 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 intf_UserWarn( 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 intf_UserFatal( p_demux, false, _("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 < &pkt[i_pkt] )
607 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
615 p_pkt = block_New( p_demux, i_size );
616 memcpy( p_pkt->p_buffer, p, i_size);
618 /* Parse it and send it */
619 switch( 0x100 | p[3] )
628 msg_Warn( p_demux, "received a PSM packet" );
630 else if( p[3] == 0xbb )
632 msg_Warn( p_demux, "received a SYSTEM packet" );
635 block_Release( p_pkt );
642 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
644 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
645 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
647 block_Release( p_pkt );
652 int i_id = ps_pkt_id( p_pkt );
655 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
659 ESNew( p_demux, i_id, 0 );
661 if( tk->b_seen && tk->es &&
662 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
664 es_out_Send( p_demux->out, tk->es, p_pkt );
668 block_Release( p_pkt );
673 block_Release( p_pkt );
685 /*****************************************************************************
686 * ESNew: register a new elementary stream
687 *****************************************************************************/
688 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
690 demux_sys_t *p_sys = p_demux->p_sys;
691 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
692 char psz_language[3];
694 if( tk->b_seen ) return;
696 if( ps_track_fill( tk, 0, i_id ) )
698 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
702 psz_language[0] = psz_language[1] = psz_language[2] = 0;
703 if( i_lang && i_lang != 0xffff )
705 psz_language[0] = (i_lang >> 8)&0xff;
706 psz_language[1] = (i_lang )&0xff;
710 if( tk->fmt.i_cat == VIDEO_ES )
712 if( p_sys->i_aspect >= 0 )
714 tk->fmt.video.i_aspect = p_sys->i_aspect;
717 else if( tk->fmt.i_cat == AUDIO_ES )
720 /* find the audio number PLEASE find another way */
721 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
725 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
729 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
733 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
738 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
740 else if( tk->fmt.i_cat == SPU_ES )
743 tk->fmt.subs.spu.palette[0] = 0xBeef;
744 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
745 16 * sizeof( uint32_t ) );
747 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
750 tk->es = es_out_Add( p_demux->out, &tk->fmt );
754 /*****************************************************************************
755 * DvdReadSetArea: initialize input data for title x, chapter y.
756 * It should be called for each user navigation request.
757 *****************************************************************************
758 * Take care that i_title and i_chapter start from 0.
759 *****************************************************************************/
760 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
763 demux_sys_t *p_sys = p_demux->p_sys;
764 int pgc_id = 0, pgn = 0;
767 #define p_pgc p_sys->p_cur_pgc
768 #define p_vmg p_sys->p_vmg_file
769 #define p_vts p_sys->p_vts_file
771 if( i_title >= 0 && i_title < p_sys->i_titles &&
772 i_title != p_sys->i_title )
774 int i_start_cell, i_end_cell;
776 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
777 if( p_vts != NULL ) ifoClose( p_vts );
778 p_sys->i_title = i_title;
781 * We have to load all title information
783 msg_Dbg( p_demux, "open VTS %d, for title %d",
784 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
787 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
788 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
790 msg_Err( p_demux, "fatal error in vts ifo" );
794 /* Title position inside the selected vts */
795 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
797 /* Find title start/end */
798 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
799 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
800 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
802 p_sys->i_title_start_cell =
803 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
804 p_sys->i_title_start_block =
805 p_pgc->cell_playback[i_start_cell].first_sector;
807 p_sys->i_title_end_cell =
808 i_end_cell = p_pgc->nr_of_cells - 1;
809 p_sys->i_title_end_block =
810 p_pgc->cell_playback[i_end_cell].last_sector;
812 p_sys->i_title_offset = 0;
814 p_sys->i_title_blocks = 0;
815 for( i = i_start_cell; i <= i_end_cell; i++ )
817 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
818 p_pgc->cell_playback[i].first_sector + 1;
821 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
822 "start %d end %d blocks: %d",
823 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
824 p_sys->i_title_start_block, p_sys->i_title_end_block,
825 p_sys->i_title_blocks );
828 * Set properties for current chapter
830 p_sys->i_chapter = 0;
832 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
834 pgc_id = p_vts->vts_ptt_srpt->title[
835 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
836 pgn = p_vts->vts_ptt_srpt->title[
837 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
839 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
840 p_sys->i_pack_len = 0;
842 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
843 DvdReadFindCell( p_demux );
845 p_sys->i_next_vobu = p_sys->i_cur_block =
846 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
851 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
852 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
855 * We've got enough info, time to open the title set data.
857 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
858 p_vmg->tt_srpt->title[i_title].title_set_nr,
859 DVD_READ_TITLE_VOBS ) ) )
861 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
862 p_vmg->tt_srpt->title[i_title].title_set_nr );
866 //IfoPrintTitle( p_demux );
869 * Destroy obsolete ES by reinitializing program 0
870 * and find all ES in title with ifo data
872 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
874 for( i = 0; i < PS_TK_COUNT; i++ )
876 ps_track_t *tk = &p_sys->tk[i];
879 es_format_Clean( &tk->fmt );
880 if( tk->es ) es_out_Del( p_demux->out, tk->es );
885 if( p_demux->info.i_title != i_title )
887 p_demux->info.i_update |=
888 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
889 p_demux->info.i_title = i_title;
890 p_demux->info.i_seekpoint = 0;
893 /* TODO: re-add angles */
896 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
897 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
899 #define audio_control \
900 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
902 /* Audio ES, in the order they appear in the .ifo */
903 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
908 //IfoPrintAudio( p_demux, i );
910 /* Audio channel is active if first byte is 0x80 */
911 if( audio_control & 0x8000 )
913 i_position = ( audio_control & 0x7F00 ) >> 8;
915 msg_Dbg( p_demux, "audio position %d", i_position );
916 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
919 i_id = (0x80 + i_position) | 0xbd00;
922 case 0x03: /* MPEG audio */
923 i_id = 0xc000 + i_position;
925 case 0x04: /* LPCM */
926 i_id = (0xa0 + i_position) | 0xbd00;
929 i_id = (0x88 + i_position) | 0xbd00;
933 msg_Err( p_demux, "unknown audio type %.2x",
934 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
937 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
938 vts_audio_attr[i - 1].lang_code );
943 #define spu_palette \
944 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
946 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
948 #define spu_control \
949 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
952 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
957 //IfoPrintSpu( p_sys, i );
958 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
960 if( spu_control & 0x80000000 )
962 /* there are several streams for one spu */
963 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
966 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
968 case 1: /* letterbox */
969 i_position = spu_control & 0xff;
971 case 2: /* pan&scan */
972 i_position = ( spu_control >> 8 ) & 0xff;
974 default: /* widescreen */
975 i_position = ( spu_control >> 16 ) & 0xff;
982 i_position = ( spu_control >> 24 ) & 0x7F;
985 i_id = (0x20 + i_position) | 0xbd00;
987 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
988 vts_subp_attr[i - 1].lang_code );
994 else if( i_title != -1 && i_title != p_sys->i_title )
997 return VLC_EGENERIC; /* Couldn't set title */
1004 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
1006 pgc_id = p_vts->vts_ptt_srpt->title[
1007 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1008 pgn = p_vts->vts_ptt_srpt->title[
1009 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1011 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1013 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1014 p_sys->i_chapter = i_chapter;
1015 DvdReadFindCell( p_demux );
1017 p_sys->i_title_offset = 0;
1018 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1020 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1021 p_pgc->cell_playback[i].first_sector + 1;
1024 p_sys->i_pack_len = 0;
1025 p_sys->i_next_vobu = p_sys->i_cur_block =
1026 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1028 if( p_demux->info.i_seekpoint != i_chapter )
1030 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1031 p_demux->info.i_seekpoint = i_chapter;
1034 else if( i_chapter != -1 )
1037 return VLC_EGENERIC; /* Couldn't set chapter */
1047 /*****************************************************************************
1048 * DvdReadSeek : Goes to a given position on the stream.
1049 *****************************************************************************
1050 * This one is used by the input and translate chronological position from
1051 * input to logical position on the device.
1052 *****************************************************************************/
1053 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1055 demux_sys_t *p_sys = p_demux->p_sys;
1062 #define p_pgc p_sys->p_cur_pgc
1063 #define p_vts p_sys->p_vts_file
1066 i_block = i_block_offset;
1067 for( i_cell = p_sys->i_title_start_cell;
1068 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1070 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1071 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1073 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1074 p_pgc->cell_playback[i_cell].first_sector + 1);
1076 if( i_cell > p_sys->i_title_end_cell )
1078 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1081 i_block += p_pgc->cell_playback[i_cell].first_sector;
1082 p_sys->i_title_offset = i_block_offset;
1085 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1087 int pgc_id, pgn, i_tmp;
1089 pgc_id = p_vts->vts_ptt_srpt->title[
1090 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1091 pgn = p_vts->vts_ptt_srpt->title[
1092 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1094 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1096 if( i_tmp > i_cell ) break;
1099 if( i_chapter < p_sys->i_chapters &&
1100 p_demux->info.i_seekpoint != i_chapter )
1102 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1103 p_demux->info.i_seekpoint = i_chapter;
1107 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1113 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1114 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1120 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1121 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1122 i_cell, i_sub_cell, i_chapter, i_vobu,
1123 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1124 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1125 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1128 p_sys->i_cur_block = i_block;
1129 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1130 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1131 p_sys->i_cur_cell = i_cell;
1132 p_sys->i_chapter = i_chapter;
1133 DvdReadFindCell( p_demux );
1141 /*****************************************************************************
1143 *****************************************************************************/
1144 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1146 demux_sys_t *p_sys = p_demux->p_sys;
1148 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1151 * Determine where we go next. These values are the ones we mostly
1154 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1155 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1158 * Store the timecodes so we can get the current time
1160 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1161 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1164 * If we're not at the end of this cell, we can determine the next
1165 * VOBU to display using the VOBU_SRI information section of the
1166 * DSI. Using this value correctly follows the current angle,
1167 * avoiding the doubled scenes in The Matrix, and makes our life
1171 p_sys->i_next_vobu = p_sys->i_cur_block +
1172 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1174 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1175 && p_sys->i_angle > 1 )
1177 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1180 /* Interleaved unit with no angle */
1181 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1183 p_sys->i_next_vobu = p_sys->i_cur_block +
1184 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1185 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1189 p_sys->i_next_vobu = p_sys->i_cur_block +
1190 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1194 /* vobu is end of ilvu */
1195 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1197 p_sys->i_next_vobu = p_sys->i_cur_block +
1198 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1199 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1204 /* vobu is beginning of ilvu */
1208 /* entering interleaved section */
1210 /* non interleaved cells in interleaved section */
1212 p_sys->i_next_vobu = p_sys->i_cur_block +
1213 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1217 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1219 p_sys->i_cur_cell = p_sys->i_next_cell;
1222 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1224 DvdReadFindCell( p_demux );
1226 p_sys->i_next_vobu =
1227 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1229 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 );
1234 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1235 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1236 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1237 p_sys->dsi_pack.dsi_gi.vobu_ea,
1238 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1239 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1240 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1242 msg_Dbg( p_demux, "cell duration: %lld",
1243 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1245 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1246 p_sys->dsi_pack.sml_pbi.category,
1247 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1248 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1249 p_sys->dsi_pack.sml_pbi.size );
1251 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1252 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1253 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1254 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1258 /*****************************************************************************
1260 *****************************************************************************/
1261 static void DvdReadFindCell( demux_t *p_demux )
1263 demux_sys_t *p_sys = p_demux->p_sys;
1269 #define cell p_sys->p_cur_pgc->cell_playback
1271 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1273 p_sys->i_cur_cell += p_sys->i_angle - 1;
1275 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1279 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1283 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1288 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1290 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1291 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1292 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1293 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1294 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1296 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1300 if( p_sys->i_chapter < p_sys->i_chapters &&
1301 p_demux->info.i_seekpoint != p_sys->i_chapter )
1303 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1304 p_demux->info.i_seekpoint = p_sys->i_chapter;
1309 /*****************************************************************************
1310 * DemuxTitles: get the titles/chapters structure
1311 *****************************************************************************/
1312 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1314 demux_sys_t *p_sys = p_demux->p_sys;
1320 /* Find out number of titles/chapters */
1321 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1323 i_titles = tt_srpt->nr_of_srpts;
1324 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1326 for( i = 0; i < i_titles; i++ )
1328 int32_t i_chapters = 0;
1331 i_chapters = tt_srpt->title[i].nr_of_ptts;
1332 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1334 t = vlc_input_title_New();
1336 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1338 s = vlc_seekpoint_New();
1339 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1342 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );