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 #include <dvdread/dvd_reader.h>
54 #include <dvdread/ifo_types.h>
55 #include <dvdread/ifo_read.h>
56 #include <dvdread/nav_read.h>
57 #include <dvdread/nav_print.h>
61 /*****************************************************************************
63 *****************************************************************************/
64 #define ANGLE_TEXT N_("DVD angle")
65 #define ANGLE_LONGTEXT N_( \
66 "Default DVD angle." )
68 #define CACHING_TEXT N_("Caching value in ms")
69 #define CACHING_LONGTEXT N_( \
70 "Caching value for DVDs. " \
71 "This value should be set in milliseconds." )
73 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
74 #define CSSMETHOD_LONGTEXT N_( \
75 "Set the method used by libdvdcss for key decryption.\n" \
76 "title: decrypted title key is guessed from the encrypted sectors of " \
77 "the stream. Thus it should work with a file as well as the " \
78 "DVD device. But it sometimes takes much time to decrypt a title " \
79 "key and may even fail. With this method, the key is only checked "\
80 "at the beginning of each title, so it won't work if the key " \
81 "changes in the middle of a title.\n" \
82 "disc: the disc key is first cracked, then all title keys can be " \
83 "decrypted instantly, which allows us to check them often.\n" \
84 "key: the same as \"disc\" if you don't have a file with player keys " \
85 "at compilation time. If you do, the decryption of the disc key " \
86 "will be faster with this method. It is the one that was used by " \
88 "The default method is: key.")
90 static const char *const psz_css_list[] = { "title", "disc", "key" };
91 static const char *const psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
93 static int Open ( vlc_object_t * );
94 static void Close( vlc_object_t * );
97 set_shortname( N_("DVD without menus") );
98 set_description( N_("DVDRead Input (DVD without menu support)") );
99 set_category( CAT_INPUT );
100 set_subcategory( SUBCAT_INPUT_ACCESS );
101 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
102 ANGLE_LONGTEXT, false );
103 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
104 CACHING_TEXT, CACHING_LONGTEXT, true );
105 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
106 CSSMETHOD_LONGTEXT, true );
107 change_string_list( psz_css_list, psz_css_list_text, 0 );
108 set_capability( "access_demux", 0 );
109 add_shortcut( "dvd" );
110 add_shortcut( "dvdread" );
111 add_shortcut( "dvdsimple" );
112 set_callbacks( Open, Close );
115 /* how many blocks DVDRead will read in each loop */
116 #define DVD_BLOCK_READ_ONCE 4
118 /*****************************************************************************
120 *****************************************************************************/
125 dvd_reader_t *p_dvdread;
128 ifo_handle_t *p_vmg_file;
129 ifo_handle_t *p_vts_file;
132 int i_chapter, i_chapters;
133 int i_angle, i_angles;
135 tt_srpt_t *p_tt_srpt;
146 /* Current title start/end blocks */
147 int i_title_start_block;
148 int i_title_end_block;
151 mtime_t i_title_cur_time;
153 int i_title_start_cell;
154 int i_title_end_cell;
157 mtime_t i_cell_cur_time;
158 mtime_t i_cell_duration;
161 ps_track_t tk[PS_TK_COUNT];
164 input_title_t **titles;
173 static int Control ( demux_t *, int, va_list );
174 static int Demux ( demux_t * );
175 static int DemuxBlock( demux_t *, uint8_t *, int );
177 static void DemuxTitles( demux_t *, int * );
178 static void ESNew( demux_t *, int, int );
180 static int DvdReadSetArea ( demux_t *, int, int, int );
181 static void DvdReadSeek ( demux_t *, int );
182 static void DvdReadHandleDSI( demux_t *, uint8_t * );
183 static void DvdReadFindCell ( demux_t * );
185 /*****************************************************************************
187 *****************************************************************************/
188 static int Open( vlc_object_t *p_this )
190 demux_t *p_demux = (demux_t*)p_this;
193 char *psz_dvdcss_env;
194 dvd_reader_t *p_dvdread;
195 ifo_handle_t *p_vmg_file;
198 if( !p_demux->psz_path || !*p_demux->psz_path )
200 /* Only when selected */
201 if( !p_this->b_force ) return VLC_EGENERIC;
203 psz_name = var_CreateGetString( p_this, "dvd" );
206 psz_name = strdup("");
210 psz_name = ToLocaleDup( p_demux->psz_path );
213 if( psz_name[0] && psz_name[1] == ':' &&
214 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
217 /* Override environment variable DVDCSS_METHOD with config option
218 * (FIXME: this creates a small memory leak) */
219 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
220 if( psz_dvdcss_env && *psz_dvdcss_env )
224 psz_env = malloc( strlen("DVDCSS_METHOD=") +
225 strlen( psz_dvdcss_env ) + 1 );
228 free( psz_dvdcss_env );
232 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
236 free( psz_dvdcss_env );
239 if( !(p_dvdread = DVDOpen( psz_name )) )
241 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
242 intf_UserFatal( p_demux, false, _("Playback failure"),
243 _("DVDRead could not open the disk \"%s\"."), psz_name );
249 /* Ifo allocation & initialisation */
250 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
252 msg_Warn( p_demux, "cannot open VMG info" );
255 msg_Dbg( p_demux, "VMG opened" );
257 /* Fill p_demux field */
258 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
260 ps_track_init( p_sys->tk );
261 p_sys->i_aspect = -1;
262 p_sys->i_title_cur_time = (mtime_t) 0;
263 p_sys->i_cell_cur_time = (mtime_t) 0;
264 p_sys->i_cell_duration = (mtime_t) 0;
266 p_sys->p_dvdread = p_dvdread;
267 p_sys->p_vmg_file = p_vmg_file;
268 p_sys->p_title = NULL;
269 p_sys->p_vts_file = NULL;
271 p_sys->i_title = p_sys->i_chapter = -1;
272 p_sys->i_mux_rate = 0;
274 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
275 var_Get( p_demux, "dvdread-angle", &val );
276 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
278 DemuxTitles( p_demux, &p_sys->i_angle );
279 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
282 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
287 /* Update default_pts to a suitable value for dvdread access */
288 var_Create( p_demux, "dvdread-caching",
289 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
294 /*****************************************************************************
296 *****************************************************************************/
297 static void Close( vlc_object_t *p_this )
299 demux_t *p_demux = (demux_t*)p_this;
300 demux_sys_t *p_sys = p_demux->p_sys;
303 for( i = 0; i < PS_TK_COUNT; i++ )
305 ps_track_t *tk = &p_sys->tk[i];
308 es_format_Clean( &tk->fmt );
309 if( tk->es ) es_out_Del( p_demux->out, tk->es );
313 /* Close libdvdread */
314 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
315 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
316 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
317 DVDClose( p_sys->p_dvdread );
322 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
324 /* Macro to convert Binary Coded Decimal to Decimal */
325 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
328 int64_t i_micro_second = 0;
330 if (still_time == 0 || still_time == 0xFF)
332 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
333 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
334 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
336 switch((dtime->frame_u & 0xc0) >> 6)
348 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
349 i_micro_second += (int64_t)(f_ms * 1000.0);
353 i_micro_second = still_time;
354 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
357 return i_micro_second;
360 /*****************************************************************************
362 *****************************************************************************/
363 static int Control( demux_t *p_demux, int i_query, va_list args )
365 demux_sys_t *p_sys = p_demux->p_sys;
369 input_title_t ***ppp_title;
375 case DEMUX_GET_POSITION:
377 pf = (double*) va_arg( args, double* );
379 if( p_sys->i_title_blocks > 0 )
380 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
386 case DEMUX_SET_POSITION:
388 f = (double)va_arg( args, double );
390 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
395 pi64 = (int64_t*)va_arg( args, int64_t * );
396 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
398 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
399 p_sys->i_title_blocks * p_sys->i_title_offset;
405 case DEMUX_GET_LENGTH:
406 pi64 = (int64_t*)va_arg( args, int64_t * );
407 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
409 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
415 /* Special for access_demux */
416 case DEMUX_CAN_PAUSE:
418 case DEMUX_CAN_CONTROL_PACE:
420 pb = (bool*)va_arg( args, bool * );
424 case DEMUX_SET_PAUSE_STATE:
427 case DEMUX_GET_TITLE_INFO:
428 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
429 pi_int = (int*)va_arg( args, int* );
430 *((int*)va_arg( args, int* )) = 1; /* Title offset */
431 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
433 /* Duplicate title infos */
434 *pi_int = p_sys->i_titles;
435 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
436 for( i = 0; i < p_sys->i_titles; i++ )
438 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
442 case DEMUX_SET_TITLE:
443 i = (int)va_arg( args, int );
444 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
446 msg_Warn( p_demux, "cannot set title/chapter" );
449 p_demux->info.i_update |=
450 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
451 p_demux->info.i_title = i;
452 p_demux->info.i_seekpoint = 0;
455 case DEMUX_SET_SEEKPOINT:
456 i = (int)va_arg( args, int );
457 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
459 msg_Warn( p_demux, "cannot set title/chapter" );
462 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
463 p_demux->info.i_seekpoint = i;
466 case DEMUX_GET_PTS_DELAY:
467 pi64 = (int64_t*)va_arg( args, int64_t * );
468 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
471 /* TODO implement others */
477 /*****************************************************************************
479 *****************************************************************************/
480 static int Demux( demux_t *p_demux )
482 demux_sys_t *p_sys = p_demux->p_sys;
484 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
485 int i_blocks_once, i_read;
489 * Playback by cell in this pgc, starting at the cell for our chapter.
493 * Check end of pack, and select the following one
495 if( !p_sys->i_pack_len )
497 /* Read NAV packet */
498 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
501 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
502 intf_UserWarn( p_demux, _("Playback failure"),
503 _("DVDRead could not read block %d."),
504 p_sys->i_next_vobu );
508 /* Basic check to be sure we don't have a empty title
509 * go to next title if so */
510 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
512 /* Parse the contained dsi packet */
513 DvdReadHandleDSI( p_demux, p_buffer );
516 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
518 if( p_sys->i_title + 1 >= p_sys->i_titles )
523 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
526 if( p_sys->i_pack_len >= 1024 )
528 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
529 "This shouldn't happen!", p_sys->i_pack_len );
533 /* FIXME: Ugly kludge: we send the pack block to the input for it
534 * sometimes has a zero scr and restart the sync */
535 p_sys->i_cur_block++;
536 p_sys->i_title_offset++;
538 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
541 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
543 if( p_sys->i_title + 1 >= p_sys->i_titles )
548 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
554 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
555 p_sys->i_pack_len -= i_blocks_once;
558 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
559 i_blocks_once, p_buffer );
560 if( i_read != i_blocks_once )
562 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
563 i_read, i_blocks_once, p_sys->i_cur_block );
564 intf_UserFatal( p_demux, false, _("Playback failure"),
565 _("DVDRead could not read %d/%d blocks at 0x%02x."),
566 i_read, i_blocks_once, p_sys->i_cur_block );
570 p_sys->i_cur_block += i_read;
571 p_sys->i_title_offset += i_read;
574 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
575 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
578 for( i = 0; i < i_read; i++ )
580 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
589 /*****************************************************************************
590 * DemuxBlock: demux a given block
591 *****************************************************************************/
592 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
594 demux_sys_t *p_sys = p_demux->p_sys;
597 while( p < &pkt[i_pkt] )
599 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
607 p_pkt = block_New( p_demux, i_size );
608 memcpy( p_pkt->p_buffer, p, i_size);
610 /* Parse it and send it */
611 switch( 0x100 | p[3] )
620 msg_Warn( p_demux, "received a PSM packet" );
622 else if( p[3] == 0xbb )
624 msg_Warn( p_demux, "received a SYSTEM packet" );
627 block_Release( p_pkt );
634 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
636 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
637 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
639 block_Release( p_pkt );
644 int i_id = ps_pkt_id( p_pkt );
647 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
651 ESNew( p_demux, i_id, 0 );
653 if( tk->b_seen && tk->es &&
654 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
656 es_out_Send( p_demux->out, tk->es, p_pkt );
660 block_Release( p_pkt );
665 block_Release( p_pkt );
677 /*****************************************************************************
678 * ESNew: register a new elementary stream
679 *****************************************************************************/
680 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
682 demux_sys_t *p_sys = p_demux->p_sys;
683 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
684 char psz_language[3];
686 if( tk->b_seen ) return;
688 if( ps_track_fill( tk, 0, i_id ) )
690 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
694 psz_language[0] = psz_language[1] = psz_language[2] = 0;
695 if( i_lang && i_lang != 0xffff )
697 psz_language[0] = (i_lang >> 8)&0xff;
698 psz_language[1] = (i_lang )&0xff;
702 if( tk->fmt.i_cat == VIDEO_ES )
704 if( p_sys->i_aspect >= 0 )
706 tk->fmt.video.i_aspect = p_sys->i_aspect;
709 else if( tk->fmt.i_cat == AUDIO_ES )
712 /* find the audio number PLEASE find another way */
713 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
717 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
721 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
725 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
730 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
732 else if( tk->fmt.i_cat == SPU_ES )
735 tk->fmt.subs.spu.palette[0] = 0xBeef;
736 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
737 16 * sizeof( uint32_t ) );
739 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
742 tk->es = es_out_Add( p_demux->out, &tk->fmt );
746 /*****************************************************************************
747 * DvdReadSetArea: initialize input data for title x, chapter y.
748 * It should be called for each user navigation request.
749 *****************************************************************************
750 * Take care that i_title and i_chapter start from 0.
751 *****************************************************************************/
752 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
755 demux_sys_t *p_sys = p_demux->p_sys;
756 int pgc_id = 0, pgn = 0;
759 #define p_pgc p_sys->p_cur_pgc
760 #define p_vmg p_sys->p_vmg_file
761 #define p_vts p_sys->p_vts_file
763 if( i_title >= 0 && i_title < p_sys->i_titles &&
764 i_title != p_sys->i_title )
766 int i_start_cell, i_end_cell;
768 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
769 if( p_vts != NULL ) ifoClose( p_vts );
770 p_sys->i_title = i_title;
773 * We have to load all title information
775 msg_Dbg( p_demux, "open VTS %d, for title %d",
776 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
779 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
780 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
782 msg_Err( p_demux, "fatal error in vts ifo" );
786 /* Title position inside the selected vts */
787 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
789 /* Find title start/end */
790 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
791 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
792 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
794 p_sys->i_title_start_cell =
795 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
796 p_sys->i_title_start_block =
797 p_pgc->cell_playback[i_start_cell].first_sector;
799 p_sys->i_title_end_cell =
800 i_end_cell = p_pgc->nr_of_cells - 1;
801 p_sys->i_title_end_block =
802 p_pgc->cell_playback[i_end_cell].last_sector;
804 p_sys->i_title_offset = 0;
806 p_sys->i_title_blocks = 0;
807 for( i = i_start_cell; i <= i_end_cell; i++ )
809 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
810 p_pgc->cell_playback[i].first_sector + 1;
813 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
814 "start %d end %d blocks: %d",
815 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
816 p_sys->i_title_start_block, p_sys->i_title_end_block,
817 p_sys->i_title_blocks );
820 * Set properties for current chapter
822 p_sys->i_chapter = 0;
824 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
826 pgc_id = p_vts->vts_ptt_srpt->title[
827 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
828 pgn = p_vts->vts_ptt_srpt->title[
829 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
831 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
832 p_sys->i_pack_len = 0;
834 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
835 DvdReadFindCell( p_demux );
837 p_sys->i_next_vobu = p_sys->i_cur_block =
838 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
843 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
844 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
847 * We've got enough info, time to open the title set data.
849 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
850 p_vmg->tt_srpt->title[i_title].title_set_nr,
851 DVD_READ_TITLE_VOBS ) ) )
853 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
854 p_vmg->tt_srpt->title[i_title].title_set_nr );
858 //IfoPrintTitle( p_demux );
861 * Destroy obsolete ES by reinitializing program 0
862 * and find all ES in title with ifo data
864 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
866 for( i = 0; i < PS_TK_COUNT; i++ )
868 ps_track_t *tk = &p_sys->tk[i];
871 es_format_Clean( &tk->fmt );
872 if( tk->es ) es_out_Del( p_demux->out, tk->es );
877 if( p_demux->info.i_title != i_title )
879 p_demux->info.i_update |=
880 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
881 p_demux->info.i_title = i_title;
882 p_demux->info.i_seekpoint = 0;
885 /* TODO: re-add angles */
888 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
889 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
891 #define audio_control \
892 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
894 /* Audio ES, in the order they appear in the .ifo */
895 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
900 //IfoPrintAudio( p_demux, i );
902 /* Audio channel is active if first byte is 0x80 */
903 if( audio_control & 0x8000 )
905 i_position = ( audio_control & 0x7F00 ) >> 8;
907 msg_Dbg( p_demux, "audio position %d", i_position );
908 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
911 i_id = (0x80 + i_position) | 0xbd00;
914 case 0x03: /* MPEG audio */
915 i_id = 0xc000 + i_position;
917 case 0x04: /* LPCM */
918 i_id = (0xa0 + i_position) | 0xbd00;
921 i_id = (0x88 + i_position) | 0xbd00;
925 msg_Err( p_demux, "unknown audio type %.2x",
926 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
929 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
930 vts_audio_attr[i - 1].lang_code );
935 #define spu_palette \
936 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
938 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
940 #define spu_control \
941 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
944 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
949 //IfoPrintSpu( p_sys, i );
950 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
952 if( spu_control & 0x80000000 )
954 /* there are several streams for one spu */
955 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
958 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
960 case 1: /* letterbox */
961 i_position = spu_control & 0xff;
963 case 2: /* pan&scan */
964 i_position = ( spu_control >> 8 ) & 0xff;
966 default: /* widescreen */
967 i_position = ( spu_control >> 16 ) & 0xff;
974 i_position = ( spu_control >> 24 ) & 0x7F;
977 i_id = (0x20 + i_position) | 0xbd00;
979 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
980 vts_subp_attr[i - 1].lang_code );
986 else if( i_title != -1 && i_title != p_sys->i_title )
989 return VLC_EGENERIC; /* Couldn't set title */
996 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
998 pgc_id = p_vts->vts_ptt_srpt->title[
999 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1000 pgn = p_vts->vts_ptt_srpt->title[
1001 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1003 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1005 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1006 p_sys->i_chapter = i_chapter;
1007 DvdReadFindCell( p_demux );
1009 p_sys->i_title_offset = 0;
1010 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1012 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1013 p_pgc->cell_playback[i].first_sector + 1;
1016 p_sys->i_pack_len = 0;
1017 p_sys->i_next_vobu = p_sys->i_cur_block =
1018 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1020 if( p_demux->info.i_seekpoint != i_chapter )
1022 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1023 p_demux->info.i_seekpoint = i_chapter;
1026 else if( i_chapter != -1 )
1029 return VLC_EGENERIC; /* Couldn't set chapter */
1039 /*****************************************************************************
1040 * DvdReadSeek : Goes to a given position on the stream.
1041 *****************************************************************************
1042 * This one is used by the input and translate chronological position from
1043 * input to logical position on the device.
1044 *****************************************************************************/
1045 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1047 demux_sys_t *p_sys = p_demux->p_sys;
1054 #define p_pgc p_sys->p_cur_pgc
1055 #define p_vts p_sys->p_vts_file
1058 i_block = i_block_offset;
1059 for( i_cell = p_sys->i_title_start_cell;
1060 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1062 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1063 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1065 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1066 p_pgc->cell_playback[i_cell].first_sector + 1);
1068 if( i_cell > p_sys->i_title_end_cell )
1070 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1073 i_block += p_pgc->cell_playback[i_cell].first_sector;
1074 p_sys->i_title_offset = i_block_offset;
1077 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1079 int pgc_id, pgn, i_tmp;
1081 pgc_id = p_vts->vts_ptt_srpt->title[
1082 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1083 pgn = p_vts->vts_ptt_srpt->title[
1084 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1086 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1088 if( i_tmp > i_cell ) break;
1091 if( i_chapter < p_sys->i_chapters &&
1092 p_demux->info.i_seekpoint != i_chapter )
1094 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1095 p_demux->info.i_seekpoint = i_chapter;
1099 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1105 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1106 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1112 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1113 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1114 i_cell, i_sub_cell, i_chapter, i_vobu,
1115 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1116 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1117 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1120 p_sys->i_cur_block = i_block;
1121 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1122 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1123 p_sys->i_cur_cell = i_cell;
1124 p_sys->i_chapter = i_chapter;
1125 DvdReadFindCell( p_demux );
1133 /*****************************************************************************
1135 *****************************************************************************/
1136 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1138 demux_sys_t *p_sys = p_demux->p_sys;
1140 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1143 * Determine where we go next. These values are the ones we mostly
1146 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1147 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1150 * Store the timecodes so we can get the current time
1152 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1153 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1156 * If we're not at the end of this cell, we can determine the next
1157 * VOBU to display using the VOBU_SRI information section of the
1158 * DSI. Using this value correctly follows the current angle,
1159 * avoiding the doubled scenes in The Matrix, and makes our life
1163 p_sys->i_next_vobu = p_sys->i_cur_block +
1164 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1166 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1167 && p_sys->i_angle > 1 )
1169 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1172 /* Interleaved unit with no angle */
1173 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1175 p_sys->i_next_vobu = p_sys->i_cur_block +
1176 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1177 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1181 p_sys->i_next_vobu = p_sys->i_cur_block +
1182 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1186 /* vobu is end of ilvu */
1187 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1189 p_sys->i_next_vobu = p_sys->i_cur_block +
1190 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1191 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1196 /* vobu is beginning of ilvu */
1200 /* entering interleaved section */
1202 /* non interleaved cells in interleaved section */
1204 p_sys->i_next_vobu = p_sys->i_cur_block +
1205 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1209 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1211 p_sys->i_cur_cell = p_sys->i_next_cell;
1214 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1216 DvdReadFindCell( p_demux );
1218 p_sys->i_next_vobu =
1219 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1221 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 );
1226 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1227 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1228 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1229 p_sys->dsi_pack.dsi_gi.vobu_ea,
1230 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1231 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1232 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1234 msg_Dbg( p_demux, "cell duration: %lld",
1235 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1237 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1238 p_sys->dsi_pack.sml_pbi.category,
1239 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1240 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1241 p_sys->dsi_pack.sml_pbi.size );
1243 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1244 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1245 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1246 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1250 /*****************************************************************************
1252 *****************************************************************************/
1253 static void DvdReadFindCell( demux_t *p_demux )
1255 demux_sys_t *p_sys = p_demux->p_sys;
1261 #define cell p_sys->p_cur_pgc->cell_playback
1263 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1265 p_sys->i_cur_cell += p_sys->i_angle - 1;
1267 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1271 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1275 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1280 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1282 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1283 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1284 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1285 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1286 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1288 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1292 if( p_sys->i_chapter < p_sys->i_chapters &&
1293 p_demux->info.i_seekpoint != p_sys->i_chapter )
1295 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1296 p_demux->info.i_seekpoint = p_sys->i_chapter;
1301 /*****************************************************************************
1302 * DemuxTitles: get the titles/chapters structure
1303 *****************************************************************************/
1304 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1306 demux_sys_t *p_sys = p_demux->p_sys;
1312 /* Find out number of titles/chapters */
1313 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1315 i_titles = tt_srpt->nr_of_srpts;
1316 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1318 for( i = 0; i < i_titles; i++ )
1320 int32_t i_chapters = 0;
1323 i_chapters = tt_srpt->title[i].nr_of_ptts;
1324 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1326 t = vlc_input_title_New();
1328 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1330 s = vlc_seekpoint_New();
1331 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1334 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );