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 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
227 if( psz_dvdcss_env && *psz_dvdcss_env )
228 setenv( "DVDCSS_METHOD", psz_dvdcss_env, 1 );
229 free( psz_dvdcss_env );
232 if( !(p_dvdread = DVDOpen( psz_name )) )
234 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
235 intf_UserFatal( p_demux, false, _("Playback failure"),
236 _("DVDRead could not open the disk \"%s\"."), psz_name );
242 /* Ifo allocation & initialisation */
243 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
245 msg_Warn( p_demux, "cannot open VMG info" );
248 msg_Dbg( p_demux, "VMG opened" );
250 /* Fill p_demux field */
251 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
253 ps_track_init( p_sys->tk );
254 p_sys->i_aspect = -1;
255 p_sys->i_title_cur_time = (mtime_t) 0;
256 p_sys->i_cell_cur_time = (mtime_t) 0;
257 p_sys->i_cell_duration = (mtime_t) 0;
259 p_sys->p_dvdread = p_dvdread;
260 p_sys->p_vmg_file = p_vmg_file;
261 p_sys->p_title = NULL;
262 p_sys->p_vts_file = NULL;
264 p_sys->i_title = p_sys->i_chapter = -1;
265 p_sys->i_mux_rate = 0;
267 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
268 var_Get( p_demux, "dvdread-angle", &val );
269 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
271 DemuxTitles( p_demux, &p_sys->i_angle );
272 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
275 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
280 /* Update default_pts to a suitable value for dvdread access */
281 var_Create( p_demux, "dvdread-caching",
282 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
287 /*****************************************************************************
289 *****************************************************************************/
290 static void Close( vlc_object_t *p_this )
292 demux_t *p_demux = (demux_t*)p_this;
293 demux_sys_t *p_sys = p_demux->p_sys;
296 for( i = 0; i < PS_TK_COUNT; i++ )
298 ps_track_t *tk = &p_sys->tk[i];
301 es_format_Clean( &tk->fmt );
302 if( tk->es ) es_out_Del( p_demux->out, tk->es );
306 /* Close libdvdread */
307 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
308 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
309 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
310 DVDClose( p_sys->p_dvdread );
315 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
317 /* Macro to convert Binary Coded Decimal to Decimal */
318 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
321 int64_t i_micro_second = 0;
323 if (still_time == 0 || still_time == 0xFF)
325 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
326 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
327 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
329 switch((dtime->frame_u & 0xc0) >> 6)
341 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
342 i_micro_second += (int64_t)(f_ms * 1000.0);
346 i_micro_second = still_time;
347 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
350 return i_micro_second;
353 /*****************************************************************************
355 *****************************************************************************/
356 static int Control( demux_t *p_demux, int i_query, va_list args )
358 demux_sys_t *p_sys = p_demux->p_sys;
362 input_title_t ***ppp_title;
368 case DEMUX_GET_POSITION:
370 pf = (double*) va_arg( args, double* );
372 if( p_sys->i_title_blocks > 0 )
373 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
379 case DEMUX_SET_POSITION:
381 f = (double)va_arg( args, double );
383 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
388 pi64 = (int64_t*)va_arg( args, int64_t * );
389 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
391 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
392 p_sys->i_title_blocks * p_sys->i_title_offset;
398 case DEMUX_GET_LENGTH:
399 pi64 = (int64_t*)va_arg( args, int64_t * );
400 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
402 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
408 /* Special for access_demux */
409 case DEMUX_CAN_PAUSE:
411 case DEMUX_CAN_CONTROL_PACE:
413 pb = (bool*)va_arg( args, bool * );
417 case DEMUX_SET_PAUSE_STATE:
420 case DEMUX_GET_TITLE_INFO:
421 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
422 pi_int = (int*)va_arg( args, int* );
423 *((int*)va_arg( args, int* )) = 1; /* Title offset */
424 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
426 /* Duplicate title infos */
427 *pi_int = p_sys->i_titles;
428 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
429 for( i = 0; i < p_sys->i_titles; i++ )
431 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
435 case DEMUX_SET_TITLE:
436 i = (int)va_arg( args, int );
437 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
439 msg_Warn( p_demux, "cannot set title/chapter" );
442 p_demux->info.i_update |=
443 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
444 p_demux->info.i_title = i;
445 p_demux->info.i_seekpoint = 0;
448 case DEMUX_SET_SEEKPOINT:
449 i = (int)va_arg( args, int );
450 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
452 msg_Warn( p_demux, "cannot set title/chapter" );
455 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
456 p_demux->info.i_seekpoint = i;
459 case DEMUX_GET_PTS_DELAY:
460 pi64 = (int64_t*)va_arg( args, int64_t * );
461 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
464 /* TODO implement others */
470 /*****************************************************************************
472 *****************************************************************************/
473 static int Demux( demux_t *p_demux )
475 demux_sys_t *p_sys = p_demux->p_sys;
477 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
478 int i_blocks_once, i_read;
482 * Playback by cell in this pgc, starting at the cell for our chapter.
486 * Check end of pack, and select the following one
488 if( !p_sys->i_pack_len )
490 /* Read NAV packet */
491 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
494 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
495 intf_UserWarn( p_demux, _("Playback failure"),
496 _("DVDRead could not read block %d."),
497 p_sys->i_next_vobu );
501 /* Basic check to be sure we don't have a empty title
502 * go to next title if so */
503 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
505 /* Parse the contained dsi packet */
506 DvdReadHandleDSI( p_demux, p_buffer );
509 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
511 if( p_sys->i_title + 1 >= p_sys->i_titles )
516 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
519 if( p_sys->i_pack_len >= 1024 )
521 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
522 "This shouldn't happen!", p_sys->i_pack_len );
526 /* FIXME: Ugly kludge: we send the pack block to the input for it
527 * sometimes has a zero scr and restart the sync */
528 p_sys->i_cur_block++;
529 p_sys->i_title_offset++;
531 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
534 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
536 if( p_sys->i_title + 1 >= p_sys->i_titles )
541 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
547 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
548 p_sys->i_pack_len -= i_blocks_once;
551 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
552 i_blocks_once, p_buffer );
553 if( i_read != i_blocks_once )
555 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
556 i_read, i_blocks_once, p_sys->i_cur_block );
557 intf_UserFatal( p_demux, false, _("Playback failure"),
558 _("DVDRead could not read %d/%d blocks at 0x%02x."),
559 i_read, i_blocks_once, p_sys->i_cur_block );
563 p_sys->i_cur_block += i_read;
564 p_sys->i_title_offset += i_read;
567 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
568 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
571 for( i = 0; i < i_read; i++ )
573 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
582 /*****************************************************************************
583 * DemuxBlock: demux a given block
584 *****************************************************************************/
585 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
587 demux_sys_t *p_sys = p_demux->p_sys;
590 while( p < &pkt[i_pkt] )
592 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
600 p_pkt = block_New( p_demux, i_size );
601 memcpy( p_pkt->p_buffer, p, i_size);
603 /* Parse it and send it */
604 switch( 0x100 | p[3] )
613 msg_Warn( p_demux, "received a PSM packet" );
615 else if( p[3] == 0xbb )
617 msg_Warn( p_demux, "received a SYSTEM packet" );
620 block_Release( p_pkt );
627 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
629 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
630 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
632 block_Release( p_pkt );
637 int i_id = ps_pkt_id( p_pkt );
640 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
644 ESNew( p_demux, i_id, 0 );
646 if( tk->b_seen && tk->es &&
647 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
649 es_out_Send( p_demux->out, tk->es, p_pkt );
653 block_Release( p_pkt );
658 block_Release( p_pkt );
670 /*****************************************************************************
671 * ESNew: register a new elementary stream
672 *****************************************************************************/
673 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
675 demux_sys_t *p_sys = p_demux->p_sys;
676 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
677 char psz_language[3];
679 if( tk->b_seen ) return;
681 if( ps_track_fill( tk, 0, i_id ) )
683 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
687 psz_language[0] = psz_language[1] = psz_language[2] = 0;
688 if( i_lang && i_lang != 0xffff )
690 psz_language[0] = (i_lang >> 8)&0xff;
691 psz_language[1] = (i_lang )&0xff;
695 if( tk->fmt.i_cat == VIDEO_ES )
697 if( p_sys->i_aspect >= 0 )
699 tk->fmt.video.i_aspect = p_sys->i_aspect;
702 else if( tk->fmt.i_cat == AUDIO_ES )
705 /* find the audio number PLEASE find another way */
706 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
710 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
714 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
718 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
723 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
725 else if( tk->fmt.i_cat == SPU_ES )
728 tk->fmt.subs.spu.palette[0] = 0xBeef;
729 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
730 16 * sizeof( uint32_t ) );
732 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
735 tk->es = es_out_Add( p_demux->out, &tk->fmt );
739 /*****************************************************************************
740 * DvdReadSetArea: initialize input data for title x, chapter y.
741 * It should be called for each user navigation request.
742 *****************************************************************************
743 * Take care that i_title and i_chapter start from 0.
744 *****************************************************************************/
745 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
748 demux_sys_t *p_sys = p_demux->p_sys;
749 int pgc_id = 0, pgn = 0;
752 #define p_pgc p_sys->p_cur_pgc
753 #define p_vmg p_sys->p_vmg_file
754 #define p_vts p_sys->p_vts_file
756 if( i_title >= 0 && i_title < p_sys->i_titles &&
757 i_title != p_sys->i_title )
759 int i_start_cell, i_end_cell;
761 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
762 if( p_vts != NULL ) ifoClose( p_vts );
763 p_sys->i_title = i_title;
766 * We have to load all title information
768 msg_Dbg( p_demux, "open VTS %d, for title %d",
769 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
772 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
773 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
775 msg_Err( p_demux, "fatal error in vts ifo" );
779 /* Title position inside the selected vts */
780 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
782 /* Find title start/end */
783 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
784 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
785 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
787 p_sys->i_title_start_cell =
788 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
789 p_sys->i_title_start_block =
790 p_pgc->cell_playback[i_start_cell].first_sector;
792 p_sys->i_title_end_cell =
793 i_end_cell = p_pgc->nr_of_cells - 1;
794 p_sys->i_title_end_block =
795 p_pgc->cell_playback[i_end_cell].last_sector;
797 p_sys->i_title_offset = 0;
799 p_sys->i_title_blocks = 0;
800 for( i = i_start_cell; i <= i_end_cell; i++ )
802 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
803 p_pgc->cell_playback[i].first_sector + 1;
806 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
807 "start %d end %d blocks: %d",
808 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
809 p_sys->i_title_start_block, p_sys->i_title_end_block,
810 p_sys->i_title_blocks );
813 * Set properties for current chapter
815 p_sys->i_chapter = 0;
817 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
819 pgc_id = p_vts->vts_ptt_srpt->title[
820 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
821 pgn = p_vts->vts_ptt_srpt->title[
822 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
824 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
825 p_sys->i_pack_len = 0;
827 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
828 DvdReadFindCell( p_demux );
830 p_sys->i_next_vobu = p_sys->i_cur_block =
831 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
836 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
837 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
840 * We've got enough info, time to open the title set data.
842 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
843 p_vmg->tt_srpt->title[i_title].title_set_nr,
844 DVD_READ_TITLE_VOBS ) ) )
846 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
847 p_vmg->tt_srpt->title[i_title].title_set_nr );
851 //IfoPrintTitle( p_demux );
854 * Destroy obsolete ES by reinitializing program 0
855 * and find all ES in title with ifo data
857 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
859 for( i = 0; i < PS_TK_COUNT; i++ )
861 ps_track_t *tk = &p_sys->tk[i];
864 es_format_Clean( &tk->fmt );
865 if( tk->es ) es_out_Del( p_demux->out, tk->es );
870 if( p_demux->info.i_title != i_title )
872 p_demux->info.i_update |=
873 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
874 p_demux->info.i_title = i_title;
875 p_demux->info.i_seekpoint = 0;
878 /* TODO: re-add angles */
881 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
882 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
884 #define audio_control \
885 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
887 /* Audio ES, in the order they appear in the .ifo */
888 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
893 //IfoPrintAudio( p_demux, i );
895 /* Audio channel is active if first byte is 0x80 */
896 if( audio_control & 0x8000 )
898 i_position = ( audio_control & 0x7F00 ) >> 8;
900 msg_Dbg( p_demux, "audio position %d", i_position );
901 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
904 i_id = (0x80 + i_position) | 0xbd00;
907 case 0x03: /* MPEG audio */
908 i_id = 0xc000 + i_position;
910 case 0x04: /* LPCM */
911 i_id = (0xa0 + i_position) | 0xbd00;
914 i_id = (0x88 + i_position) | 0xbd00;
918 msg_Err( p_demux, "unknown audio type %.2x",
919 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
922 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
923 vts_audio_attr[i - 1].lang_code );
928 #define spu_palette \
929 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
931 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
933 #define spu_control \
934 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
937 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
942 //IfoPrintSpu( p_sys, i );
943 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
945 if( spu_control & 0x80000000 )
947 /* there are several streams for one spu */
948 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
951 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
953 case 1: /* letterbox */
954 i_position = spu_control & 0xff;
956 case 2: /* pan&scan */
957 i_position = ( spu_control >> 8 ) & 0xff;
959 default: /* widescreen */
960 i_position = ( spu_control >> 16 ) & 0xff;
967 i_position = ( spu_control >> 24 ) & 0x7F;
970 i_id = (0x20 + i_position) | 0xbd00;
972 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
973 vts_subp_attr[i - 1].lang_code );
979 else if( i_title != -1 && i_title != p_sys->i_title )
982 return VLC_EGENERIC; /* Couldn't set title */
989 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
991 pgc_id = p_vts->vts_ptt_srpt->title[
992 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
993 pgn = p_vts->vts_ptt_srpt->title[
994 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
996 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
998 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
999 p_sys->i_chapter = i_chapter;
1000 DvdReadFindCell( p_demux );
1002 p_sys->i_title_offset = 0;
1003 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1005 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1006 p_pgc->cell_playback[i].first_sector + 1;
1009 p_sys->i_pack_len = 0;
1010 p_sys->i_next_vobu = p_sys->i_cur_block =
1011 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1013 if( p_demux->info.i_seekpoint != i_chapter )
1015 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1016 p_demux->info.i_seekpoint = i_chapter;
1019 else if( i_chapter != -1 )
1022 return VLC_EGENERIC; /* Couldn't set chapter */
1032 /*****************************************************************************
1033 * DvdReadSeek : Goes to a given position on the stream.
1034 *****************************************************************************
1035 * This one is used by the input and translate chronological position from
1036 * input to logical position on the device.
1037 *****************************************************************************/
1038 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1040 demux_sys_t *p_sys = p_demux->p_sys;
1047 #define p_pgc p_sys->p_cur_pgc
1048 #define p_vts p_sys->p_vts_file
1051 i_block = i_block_offset;
1052 for( i_cell = p_sys->i_title_start_cell;
1053 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1055 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1056 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1058 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1059 p_pgc->cell_playback[i_cell].first_sector + 1);
1061 if( i_cell > p_sys->i_title_end_cell )
1063 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1066 i_block += p_pgc->cell_playback[i_cell].first_sector;
1067 p_sys->i_title_offset = i_block_offset;
1070 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1072 int pgc_id, pgn, i_tmp;
1074 pgc_id = p_vts->vts_ptt_srpt->title[
1075 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1076 pgn = p_vts->vts_ptt_srpt->title[
1077 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1079 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1081 if( i_tmp > i_cell ) break;
1084 if( i_chapter < p_sys->i_chapters &&
1085 p_demux->info.i_seekpoint != i_chapter )
1087 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1088 p_demux->info.i_seekpoint = i_chapter;
1092 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1098 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1099 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1105 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1106 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1107 i_cell, i_sub_cell, i_chapter, i_vobu,
1108 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1109 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1110 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1113 p_sys->i_cur_block = i_block;
1114 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1115 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1116 p_sys->i_cur_cell = i_cell;
1117 p_sys->i_chapter = i_chapter;
1118 DvdReadFindCell( p_demux );
1126 /*****************************************************************************
1128 *****************************************************************************/
1129 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1131 demux_sys_t *p_sys = p_demux->p_sys;
1133 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1136 * Determine where we go next. These values are the ones we mostly
1139 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1140 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1143 * Store the timecodes so we can get the current time
1145 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1146 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1149 * If we're not at the end of this cell, we can determine the next
1150 * VOBU to display using the VOBU_SRI information section of the
1151 * DSI. Using this value correctly follows the current angle,
1152 * avoiding the doubled scenes in The Matrix, and makes our life
1156 p_sys->i_next_vobu = p_sys->i_cur_block +
1157 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1159 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1160 && p_sys->i_angle > 1 )
1162 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1165 /* Interleaved unit with no angle */
1166 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1168 p_sys->i_next_vobu = p_sys->i_cur_block +
1169 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1170 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1174 p_sys->i_next_vobu = p_sys->i_cur_block +
1175 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1179 /* vobu is end of ilvu */
1180 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1182 p_sys->i_next_vobu = p_sys->i_cur_block +
1183 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1184 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1189 /* vobu is beginning of ilvu */
1193 /* entering interleaved section */
1195 /* non interleaved cells in interleaved section */
1197 p_sys->i_next_vobu = p_sys->i_cur_block +
1198 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1202 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1204 p_sys->i_cur_cell = p_sys->i_next_cell;
1207 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1209 DvdReadFindCell( p_demux );
1211 p_sys->i_next_vobu =
1212 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1214 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 );
1219 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1220 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1221 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1222 p_sys->dsi_pack.dsi_gi.vobu_ea,
1223 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1224 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1225 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1227 msg_Dbg( p_demux, "cell duration: %lld",
1228 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1230 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1231 p_sys->dsi_pack.sml_pbi.category,
1232 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1233 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1234 p_sys->dsi_pack.sml_pbi.size );
1236 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1237 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1238 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1239 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1243 /*****************************************************************************
1245 *****************************************************************************/
1246 static void DvdReadFindCell( demux_t *p_demux )
1248 demux_sys_t *p_sys = p_demux->p_sys;
1254 #define cell p_sys->p_cur_pgc->cell_playback
1256 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1258 p_sys->i_cur_cell += p_sys->i_angle - 1;
1260 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1264 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1268 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1273 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1275 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1276 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1277 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1278 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1279 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1281 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1285 if( p_sys->i_chapter < p_sys->i_chapters &&
1286 p_demux->info.i_seekpoint != p_sys->i_chapter )
1288 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1289 p_demux->info.i_seekpoint = p_sys->i_chapter;
1294 /*****************************************************************************
1295 * DemuxTitles: get the titles/chapters structure
1296 *****************************************************************************/
1297 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1299 demux_sys_t *p_sys = p_demux->p_sys;
1305 /* Find out number of titles/chapters */
1306 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1308 i_titles = tt_srpt->nr_of_srpts;
1309 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1311 for( i = 0; i < i_titles; i++ )
1313 int32_t i_chapters = 0;
1316 i_chapters = tt_srpt->title[i].nr_of_ptts;
1317 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1319 t = vlc_input_title_New();
1321 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1323 s = vlc_seekpoint_New();
1324 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1327 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );