1 /*****************************************************************************
2 * dvdread.c : DvdRead input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2006 the VideoLAN team
7 * Authors: Stéphane Borel <stef@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
35 #include <vlc_input.h>
36 #include <vlc_access.h>
37 #include <vlc_charset.h>
38 #include <vlc_interface.h>
39 #include <vlc_dialog.h>
41 #include <vlc_iso_lang.h>
43 #include "../demux/ps.h"
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 (no 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;
182 static int Control ( demux_t *, int, va_list );
183 static int Demux ( demux_t * );
184 static int DemuxBlock( demux_t *, uint8_t *, int );
186 static void DemuxTitles( demux_t *, int * );
187 static void ESNew( demux_t *, int, int );
189 static int DvdReadSetArea ( demux_t *, int, int, int );
190 static void DvdReadSeek ( demux_t *, int );
191 static void DvdReadHandleDSI( demux_t *, uint8_t * );
192 static void DvdReadFindCell ( demux_t * );
194 /*****************************************************************************
196 *****************************************************************************/
197 static int Open( vlc_object_t *p_this )
199 demux_t *p_demux = (demux_t*)p_this;
202 char *psz_dvdcss_env;
203 dvd_reader_t *p_dvdread;
204 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 = var_InheritString( p_demux, "dvdread-css-method" );
229 setenv( "DVDCSS_METHOD", psz_dvdcss_env, 1 );
232 /* FIXME: this create a small memory leak */
234 psz_env = malloc( strlen("DVDCSS_METHOD=") +
235 strlen( psz_dvdcss_env ) + 1 );
238 free( psz_dvdcss_env );
241 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
245 free( psz_dvdcss_env );
248 if( !(p_dvdread = DVDOpen( psz_name )) )
250 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
251 dialog_Fatal( p_demux, _("Playback failure"),
252 _("DVDRead could not open the disc \"%s\"."), psz_name );
258 /* Ifo allocation & initialisation */
259 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
261 msg_Warn( p_demux, "cannot open VMG info" );
264 msg_Dbg( p_demux, "VMG opened" );
266 /* Fill p_demux field */
267 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
269 ps_track_init( p_sys->tk );
270 p_sys->i_sar_num = 0;
271 p_sys->i_sar_den = 0;
272 p_sys->i_title_cur_time = (mtime_t) 0;
273 p_sys->i_cell_cur_time = (mtime_t) 0;
274 p_sys->i_cell_duration = (mtime_t) 0;
276 p_sys->p_dvdread = p_dvdread;
277 p_sys->p_vmg_file = p_vmg_file;
278 p_sys->p_title = NULL;
279 p_sys->p_vts_file = NULL;
281 p_sys->i_title = p_sys->i_chapter = -1;
282 p_sys->i_mux_rate = 0;
284 p_sys->i_angle = var_CreateGetInteger( p_demux, "dvdread-angle" );
285 if( p_sys->i_angle <= 0 ) p_sys->i_angle = 1;
287 DemuxTitles( p_demux, &p_sys->i_angle );
288 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
291 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
296 /* Update default_pts to a suitable value for dvdread access */
297 var_Create( p_demux, "dvdread-caching",
298 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
303 /*****************************************************************************
305 *****************************************************************************/
306 static void Close( vlc_object_t *p_this )
308 demux_t *p_demux = (demux_t*)p_this;
309 demux_sys_t *p_sys = p_demux->p_sys;
312 for( i = 0; i < PS_TK_COUNT; i++ )
314 ps_track_t *tk = &p_sys->tk[i];
317 es_format_Clean( &tk->fmt );
318 if( tk->es ) es_out_Del( p_demux->out, tk->es );
322 /* Close libdvdread */
323 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
324 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
325 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
326 DVDClose( p_sys->p_dvdread );
331 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
333 /* Macro to convert Binary Coded Decimal to Decimal */
334 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
337 int64_t i_micro_second = 0;
339 if (still_time == 0 || still_time == 0xFF)
341 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
342 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
343 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
345 switch((dtime->frame_u & 0xc0) >> 6)
357 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
358 i_micro_second += (int64_t)(f_ms * 1000.0);
362 i_micro_second = still_time;
363 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
366 return i_micro_second;
369 /*****************************************************************************
371 *****************************************************************************/
372 static int Control( demux_t *p_demux, int i_query, va_list args )
374 demux_sys_t *p_sys = p_demux->p_sys;
378 input_title_t ***ppp_title;
384 case DEMUX_GET_POSITION:
386 pf = (double*) va_arg( args, double* );
388 if( p_sys->i_title_blocks > 0 )
389 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
395 case DEMUX_SET_POSITION:
397 f = (double)va_arg( args, double );
399 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
404 pi64 = (int64_t*)va_arg( args, int64_t * );
405 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
407 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
408 p_sys->i_title_blocks * p_sys->i_title_offset;
414 case DEMUX_GET_LENGTH:
415 pi64 = (int64_t*)va_arg( args, int64_t * );
416 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
418 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
424 /* Special for access_demux */
425 case DEMUX_CAN_PAUSE:
427 case DEMUX_CAN_CONTROL_PACE:
429 pb = (bool*)va_arg( args, bool * );
433 case DEMUX_SET_PAUSE_STATE:
436 case DEMUX_GET_TITLE_INFO:
437 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
438 pi_int = (int*)va_arg( args, int* );
439 *((int*)va_arg( args, int* )) = 1; /* Title offset */
440 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
442 /* Duplicate title infos */
443 *pi_int = p_sys->i_titles;
444 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
445 for( i = 0; i < p_sys->i_titles; i++ )
447 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
451 case DEMUX_SET_TITLE:
452 i = (int)va_arg( args, int );
453 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
455 msg_Warn( p_demux, "cannot set title/chapter" );
458 p_demux->info.i_update |=
459 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
460 p_demux->info.i_title = i;
461 p_demux->info.i_seekpoint = 0;
464 case DEMUX_SET_SEEKPOINT:
465 i = (int)va_arg( args, int );
466 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
468 msg_Warn( p_demux, "cannot set title/chapter" );
471 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
472 p_demux->info.i_seekpoint = i;
475 case DEMUX_GET_PTS_DELAY:
476 pi64 = (int64_t*)va_arg( args, int64_t * );
477 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
480 /* TODO implement others */
486 /*****************************************************************************
488 *****************************************************************************/
489 static int Demux( demux_t *p_demux )
491 demux_sys_t *p_sys = p_demux->p_sys;
493 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
494 int i_blocks_once, i_read;
498 * Playback by cell in this pgc, starting at the cell for our chapter.
502 * Check end of pack, and select the following one
504 if( !p_sys->i_pack_len )
506 /* Read NAV packet */
507 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
510 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
511 dialog_Fatal( p_demux, _("Playback failure"),
512 _("DVDRead could not read block %d."),
513 p_sys->i_next_vobu );
517 /* Basic check to be sure we don't have a empty title
518 * go to next title if so */
519 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
521 /* Parse the contained dsi packet */
522 DvdReadHandleDSI( p_demux, p_buffer );
525 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
527 if( p_sys->i_title + 1 >= p_sys->i_titles )
532 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
535 if( p_sys->i_pack_len >= 1024 )
537 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
538 "This shouldn't happen!", p_sys->i_pack_len );
542 /* FIXME: Ugly kludge: we send the pack block to the input for it
543 * sometimes has a zero scr and restart the sync */
544 p_sys->i_cur_block++;
545 p_sys->i_title_offset++;
547 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
550 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
552 if( p_sys->i_title + 1 >= p_sys->i_titles )
557 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
563 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
564 p_sys->i_pack_len -= i_blocks_once;
567 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
568 i_blocks_once, p_buffer );
569 if( i_read != i_blocks_once )
571 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
572 i_read, i_blocks_once, p_sys->i_cur_block );
573 dialog_Fatal( p_demux, _("Playback failure"),
574 _("DVDRead could not read %d/%d blocks at 0x%02x."),
575 i_read, i_blocks_once, p_sys->i_cur_block );
579 p_sys->i_cur_block += i_read;
580 p_sys->i_title_offset += i_read;
583 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
584 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
587 for( i = 0; i < i_read; i++ )
589 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
598 /*****************************************************************************
599 * DemuxBlock: demux a given block
600 *****************************************************************************/
601 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
603 demux_sys_t *p_sys = p_demux->p_sys;
606 while( p && p < &pkt[i_pkt] )
609 int i_size = &pkt[i_pkt] - p;
614 i_size = ps_pkt_size( p, i_size );
621 p_pkt = block_New( p_demux, i_size );
622 memcpy( p_pkt->p_buffer, p, i_size);
624 /* Parse it and send it */
625 switch( 0x100 | p[3] )
634 msg_Warn( p_demux, "received a PSM packet" );
636 else if( p[3] == 0xbb )
638 msg_Warn( p_demux, "received a SYSTEM packet" );
641 block_Release( p_pkt );
648 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
650 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
651 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
653 block_Release( p_pkt );
658 int i_id = ps_pkt_id( p_pkt );
661 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
665 ESNew( p_demux, i_id, 0 );
667 if( tk->b_seen && tk->es &&
668 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
670 es_out_Send( p_demux->out, tk->es, p_pkt );
674 block_Release( p_pkt );
679 block_Release( p_pkt );
691 /*****************************************************************************
692 * ESNew: register a new elementary stream
693 *****************************************************************************/
694 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
696 demux_sys_t *p_sys = p_demux->p_sys;
697 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
698 char psz_language[3];
700 if( tk->b_seen ) return;
702 if( ps_track_fill( tk, 0, i_id ) )
704 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
708 psz_language[0] = psz_language[1] = psz_language[2] = 0;
709 if( i_lang && i_lang != 0xffff )
711 psz_language[0] = (i_lang >> 8)&0xff;
712 psz_language[1] = (i_lang )&0xff;
716 if( tk->fmt.i_cat == VIDEO_ES )
718 tk->fmt.video.i_sar_num = p_sys->i_sar_num;
719 tk->fmt.video.i_sar_den = p_sys->i_sar_den;
721 else if( tk->fmt.i_cat == AUDIO_ES )
724 /* find the audio number PLEASE find another way */
725 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
729 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
733 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
737 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
742 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
744 else if( tk->fmt.i_cat == SPU_ES )
747 tk->fmt.subs.spu.palette[0] = 0xBeef;
748 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
749 16 * sizeof( uint32_t ) );
751 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
754 tk->es = es_out_Add( p_demux->out, &tk->fmt );
758 /*****************************************************************************
759 * DvdReadSetArea: initialize input data for title x, chapter y.
760 * It should be called for each user navigation request.
761 *****************************************************************************
762 * Take care that i_title and i_chapter start from 0.
763 *****************************************************************************/
764 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
767 VLC_UNUSED( i_angle );
769 demux_sys_t *p_sys = p_demux->p_sys;
770 int pgc_id = 0, pgn = 0;
773 #define p_pgc p_sys->p_cur_pgc
774 #define p_vmg p_sys->p_vmg_file
775 #define p_vts p_sys->p_vts_file
777 if( i_title >= 0 && i_title < p_sys->i_titles &&
778 i_title != p_sys->i_title )
780 int i_start_cell, i_end_cell;
782 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
783 if( p_vts != NULL ) ifoClose( p_vts );
784 p_sys->i_title = i_title;
787 * We have to load all title information
789 msg_Dbg( p_demux, "open VTS %d, for title %d",
790 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
793 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
794 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
796 msg_Err( p_demux, "fatal error in vts ifo" );
800 /* Title position inside the selected vts */
801 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
803 /* Find title start/end */
804 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
805 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
806 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
808 p_sys->i_title_start_cell =
809 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
810 p_sys->i_title_start_block =
811 p_pgc->cell_playback[i_start_cell].first_sector;
813 p_sys->i_title_end_cell =
814 i_end_cell = p_pgc->nr_of_cells - 1;
815 p_sys->i_title_end_block =
816 p_pgc->cell_playback[i_end_cell].last_sector;
818 p_sys->i_title_offset = 0;
820 p_sys->i_title_blocks = 0;
821 for( i = i_start_cell; i <= i_end_cell; i++ )
823 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
824 p_pgc->cell_playback[i].first_sector + 1;
827 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
828 "start %d end %d blocks: %d",
829 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
830 p_sys->i_title_start_block, p_sys->i_title_end_block,
831 p_sys->i_title_blocks );
834 * Set properties for current chapter
836 p_sys->i_chapter = 0;
838 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
840 pgc_id = p_vts->vts_ptt_srpt->title[
841 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
842 pgn = p_vts->vts_ptt_srpt->title[
843 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
845 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
846 p_sys->i_pack_len = 0;
848 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
849 DvdReadFindCell( p_demux );
851 p_sys->i_next_vobu = p_sys->i_cur_block =
852 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
857 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
858 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
861 * We've got enough info, time to open the title set data.
863 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
864 p_vmg->tt_srpt->title[i_title].title_set_nr,
865 DVD_READ_TITLE_VOBS ) ) )
867 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
868 p_vmg->tt_srpt->title[i_title].title_set_nr );
872 //IfoPrintTitle( p_demux );
875 * Destroy obsolete ES by reinitializing program 0
876 * and find all ES in title with ifo data
878 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
880 for( i = 0; i < PS_TK_COUNT; i++ )
882 ps_track_t *tk = &p_sys->tk[i];
885 es_format_Clean( &tk->fmt );
886 if( tk->es ) es_out_Del( p_demux->out, tk->es );
891 if( p_demux->info.i_title != i_title )
893 p_demux->info.i_update |=
894 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
895 p_demux->info.i_title = i_title;
896 p_demux->info.i_seekpoint = 0;
899 /* TODO: re-add angles */
902 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
903 const video_attr_t *p_attr = &p_vts->vtsi_mat->vts_video_attr;
904 int i_video_height = p_attr->video_format != 0 ? 576 : 480;
906 switch( p_attr->picture_size )
923 switch( p_attr->display_aspect_ratio )
926 p_sys->i_sar_num = 4 * i_video_height;
927 p_sys->i_sar_den = 3 * i_video_width;
930 p_sys->i_sar_num = 16 * i_video_height;
931 p_sys->i_sar_den = 9 * i_video_width;
934 p_sys->i_sar_num = 0;
935 p_sys->i_sar_den = 0;
939 #define audio_control \
940 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
942 /* Audio ES, in the order they appear in the .ifo */
943 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
948 //IfoPrintAudio( p_demux, i );
950 /* Audio channel is active if first byte is 0x80 */
951 if( audio_control & 0x8000 )
953 i_position = ( audio_control & 0x7F00 ) >> 8;
955 msg_Dbg( p_demux, "audio position %d", i_position );
956 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
959 i_id = (0x80 + i_position) | 0xbd00;
962 case 0x03: /* MPEG audio */
963 i_id = 0xc000 + i_position;
965 case 0x04: /* LPCM */
966 i_id = (0xa0 + i_position) | 0xbd00;
969 i_id = (0x88 + i_position) | 0xbd00;
973 msg_Err( p_demux, "unknown audio type %.2x",
974 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
977 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
978 vts_audio_attr[i - 1].lang_code );
983 #define spu_palette \
984 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
986 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
988 #define spu_control \
989 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
992 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
997 //IfoPrintSpu( p_sys, i );
998 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
1000 if( spu_control & 0x80000000 )
1002 /* there are several streams for one spu */
1003 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
1006 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
1008 case 1: /* letterbox */
1009 i_position = spu_control & 0xff;
1011 case 2: /* pan&scan */
1012 i_position = ( spu_control >> 8 ) & 0xff;
1014 default: /* widescreen */
1015 i_position = ( spu_control >> 16 ) & 0xff;
1022 i_position = ( spu_control >> 24 ) & 0x7F;
1025 i_id = (0x20 + i_position) | 0xbd00;
1027 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
1028 vts_subp_attr[i - 1].lang_code );
1034 else if( i_title != -1 && i_title != p_sys->i_title )
1037 return VLC_EGENERIC; /* Couldn't set title */
1044 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
1046 pgc_id = p_vts->vts_ptt_srpt->title[
1047 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1048 pgn = p_vts->vts_ptt_srpt->title[
1049 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1051 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1053 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1054 p_sys->i_chapter = i_chapter;
1055 DvdReadFindCell( p_demux );
1057 p_sys->i_title_offset = 0;
1058 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1060 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1061 p_pgc->cell_playback[i].first_sector + 1;
1064 p_sys->i_pack_len = 0;
1065 p_sys->i_next_vobu = p_sys->i_cur_block =
1066 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1068 if( p_demux->info.i_seekpoint != i_chapter )
1070 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1071 p_demux->info.i_seekpoint = i_chapter;
1074 else if( i_chapter != -1 )
1077 return VLC_EGENERIC; /* Couldn't set chapter */
1087 /*****************************************************************************
1088 * DvdReadSeek : Goes to a given position on the stream.
1089 *****************************************************************************
1090 * This one is used by the input and translate chronological position from
1091 * input to logical position on the device.
1092 *****************************************************************************/
1093 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1095 demux_sys_t *p_sys = p_demux->p_sys;
1102 #define p_pgc p_sys->p_cur_pgc
1103 #define p_vts p_sys->p_vts_file
1106 i_block = i_block_offset;
1107 for( i_cell = p_sys->i_title_start_cell;
1108 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1110 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1111 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1113 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1114 p_pgc->cell_playback[i_cell].first_sector + 1);
1116 if( i_cell > p_sys->i_title_end_cell )
1118 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1121 i_block += p_pgc->cell_playback[i_cell].first_sector;
1122 p_sys->i_title_offset = i_block_offset;
1125 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1127 int pgc_id, pgn, i_tmp;
1129 pgc_id = p_vts->vts_ptt_srpt->title[
1130 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1131 pgn = p_vts->vts_ptt_srpt->title[
1132 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1134 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1136 if( i_tmp > i_cell ) break;
1139 if( i_chapter < p_sys->i_chapters &&
1140 p_demux->info.i_seekpoint != i_chapter )
1142 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1143 p_demux->info.i_seekpoint = i_chapter;
1147 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1153 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1154 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1160 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1161 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1162 i_cell, i_sub_cell, i_chapter, i_vobu,
1163 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1164 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1165 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1168 p_sys->i_cur_block = i_block;
1169 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1170 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1171 p_sys->i_cur_cell = i_cell;
1172 p_sys->i_chapter = i_chapter;
1173 DvdReadFindCell( p_demux );
1181 /*****************************************************************************
1183 *****************************************************************************/
1184 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1186 demux_sys_t *p_sys = p_demux->p_sys;
1188 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1191 * Determine where we go next. These values are the ones we mostly
1194 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1195 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1198 * Store the timecodes so we can get the current time
1200 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1201 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1204 * If we're not at the end of this cell, we can determine the next
1205 * VOBU to display using the VOBU_SRI information section of the
1206 * DSI. Using this value correctly follows the current angle,
1207 * avoiding the doubled scenes in The Matrix, and makes our life
1211 p_sys->i_next_vobu = p_sys->i_cur_block +
1212 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1214 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1215 && p_sys->i_angle > 1 )
1217 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1220 /* Interleaved unit with no angle */
1221 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1223 p_sys->i_next_vobu = p_sys->i_cur_block +
1224 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1225 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1229 p_sys->i_next_vobu = p_sys->i_cur_block +
1230 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1234 /* vobu is end of ilvu */
1235 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1237 p_sys->i_next_vobu = p_sys->i_cur_block +
1238 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1239 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1244 /* vobu is beginning of ilvu */
1248 /* entering interleaved section */
1250 /* non interleaved cells in interleaved section */
1252 p_sys->i_next_vobu = p_sys->i_cur_block +
1253 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1257 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1259 p_sys->i_cur_cell = p_sys->i_next_cell;
1262 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1264 DvdReadFindCell( p_demux );
1266 p_sys->i_next_vobu =
1267 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1269 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 );
1274 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1275 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1276 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1277 p_sys->dsi_pack.dsi_gi.vobu_ea,
1278 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1279 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1280 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1282 msg_Dbg( p_demux, "cell duration: %lld",
1283 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1285 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1286 p_sys->dsi_pack.sml_pbi.category,
1287 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1288 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1289 p_sys->dsi_pack.sml_pbi.size );
1291 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1292 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1293 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1294 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1298 /*****************************************************************************
1300 *****************************************************************************/
1301 static void DvdReadFindCell( demux_t *p_demux )
1303 demux_sys_t *p_sys = p_demux->p_sys;
1309 #define cell p_sys->p_cur_pgc->cell_playback
1311 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1313 p_sys->i_cur_cell += p_sys->i_angle - 1;
1315 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1319 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1323 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1328 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1330 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1331 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1332 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1333 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1334 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1336 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1340 if( p_sys->i_chapter < p_sys->i_chapters &&
1341 p_demux->info.i_seekpoint != p_sys->i_chapter )
1343 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1344 p_demux->info.i_seekpoint = p_sys->i_chapter;
1349 /*****************************************************************************
1350 * DemuxTitles: get the titles/chapters structure
1351 *****************************************************************************/
1352 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1354 VLC_UNUSED( pi_angle );
1356 demux_sys_t *p_sys = p_demux->p_sys;
1360 /* Find out number of titles/chapters */
1361 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1363 int32_t i_titles = tt_srpt->nr_of_srpts;
1364 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1366 for( int i = 0; i < i_titles; i++ )
1368 int32_t i_chapters = 0;
1371 i_chapters = tt_srpt->title[i].nr_of_ptts;
1372 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1374 t = vlc_input_title_New();
1376 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1378 s = vlc_seekpoint_New();
1379 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1382 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );