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 *****************************************************************************/
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>
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>
59 /*****************************************************************************
61 *****************************************************************************/
62 #define ANGLE_TEXT N_("DVD angle")
63 #define ANGLE_LONGTEXT N_( \
64 "Default DVD angle." )
66 #define CACHING_TEXT N_("Caching value in ms")
67 #define CACHING_LONGTEXT N_( \
68 "Caching value for DVDs. " \
69 "This value should be set in milliseconds." )
71 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
72 #define CSSMETHOD_LONGTEXT N_( \
73 "Set the method used by libdvdcss for key decryption.\n" \
74 "title: decrypted title key is guessed from the encrypted sectors of " \
75 "the stream. Thus it should work with a file as well as the " \
76 "DVD device. But it sometimes takes much time to decrypt a title " \
77 "key and may even fail. With this method, the key is only checked "\
78 "at the beginning of each title, so it won't work if the key " \
79 "changes in the middle of a title.\n" \
80 "disc: the disc key is first cracked, then all title keys can be " \
81 "decrypted instantly, which allows us to check them often.\n" \
82 "key: the same as \"disc\" if you don't have a file with player keys " \
83 "at compilation time. If you do, the decryption of the disc key " \
84 "will be faster with this method. It is the one that was used by " \
86 "The default method is: key.")
88 static const char *psz_css_list[] = { "title", "disc", "key" };
89 static const char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
91 static int Open ( vlc_object_t * );
92 static void Close( vlc_object_t * );
95 set_shortname( N_("DVD without menus") );
96 set_description( N_("DVDRead Input (DVD without menu support)") );
97 set_category( CAT_INPUT );
98 set_subcategory( SUBCAT_INPUT_ACCESS );
99 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
100 ANGLE_LONGTEXT, false );
101 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
102 CACHING_TEXT, CACHING_LONGTEXT, true );
103 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
104 CSSMETHOD_LONGTEXT, true );
105 change_string_list( psz_css_list, psz_css_list_text, 0 );
106 set_capability( "access_demux", 0 );
107 add_shortcut( "dvd" );
108 add_shortcut( "dvdread" );
109 add_shortcut( "dvdsimple" );
110 set_callbacks( Open, Close );
113 /* how many blocks DVDRead will read in each loop */
114 #define DVD_BLOCK_READ_ONCE 4
116 /*****************************************************************************
118 *****************************************************************************/
123 dvd_reader_t *p_dvdread;
126 ifo_handle_t *p_vmg_file;
127 ifo_handle_t *p_vts_file;
130 int i_chapter, i_chapters;
131 int i_angle, i_angles;
133 tt_srpt_t *p_tt_srpt;
144 /* Current title start/end blocks */
145 int i_title_start_block;
146 int i_title_end_block;
149 mtime_t i_title_cur_time;
151 int i_title_start_cell;
152 int i_title_end_cell;
155 mtime_t i_cell_cur_time;
156 mtime_t i_cell_duration;
159 ps_track_t tk[PS_TK_COUNT];
162 input_title_t **titles;
171 static int Control ( demux_t *, int, va_list );
172 static int Demux ( demux_t * );
173 static int DemuxBlock( demux_t *, uint8_t *, int );
175 static void DemuxTitles( demux_t *, int * );
176 static void ESNew( demux_t *, int, int );
178 static int DvdReadSetArea ( demux_t *, int, int, int );
179 static void DvdReadSeek ( demux_t *, int );
180 static void DvdReadHandleDSI( demux_t *, uint8_t * );
181 static void DvdReadFindCell ( demux_t * );
183 /*****************************************************************************
185 *****************************************************************************/
186 static int Open( vlc_object_t *p_this )
188 demux_t *p_demux = (demux_t*)p_this;
191 char *psz_dvdcss_env;
192 dvd_reader_t *p_dvdread;
193 ifo_handle_t *p_vmg_file;
196 if( !p_demux->psz_path || !*p_demux->psz_path )
198 /* Only when selected */
199 if( !p_this->b_force ) return VLC_EGENERIC;
201 psz_name = var_CreateGetString( p_this, "dvd" );
204 psz_name = strdup("");
208 psz_name = ToLocaleDup( p_demux->psz_path );
211 if( psz_name[0] && psz_name[1] == ':' &&
212 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
215 /* Override environment variable DVDCSS_METHOD with config option
216 * (FIXME: this creates a small memory leak) */
217 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
218 if( psz_dvdcss_env && *psz_dvdcss_env )
222 psz_env = malloc( strlen("DVDCSS_METHOD=") +
223 strlen( psz_dvdcss_env ) + 1 );
226 free( psz_dvdcss_env );
230 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
234 free( psz_dvdcss_env );
237 if( !(p_dvdread = DVDOpen( psz_name )) )
239 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
240 intf_UserFatal( p_demux, false, _("Playback failure"),
241 _("DVDRead could not open the disk \"%s\"."), psz_name );
247 /* Ifo allocation & initialisation */
248 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
250 msg_Warn( p_demux, "cannot open VMG info" );
253 msg_Dbg( p_demux, "VMG opened" );
255 /* Fill p_demux field */
256 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
258 ps_track_init( p_sys->tk );
259 p_sys->i_aspect = -1;
260 p_sys->i_title_cur_time = (mtime_t) 0;
261 p_sys->i_cell_cur_time = (mtime_t) 0;
262 p_sys->i_cell_duration = (mtime_t) 0;
264 p_sys->p_dvdread = p_dvdread;
265 p_sys->p_vmg_file = p_vmg_file;
266 p_sys->p_title = NULL;
267 p_sys->p_vts_file = NULL;
269 p_sys->i_title = p_sys->i_chapter = -1;
270 p_sys->i_mux_rate = 0;
272 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
273 var_Get( p_demux, "dvdread-angle", &val );
274 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
276 DemuxTitles( p_demux, &p_sys->i_angle );
277 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
280 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
285 /* Update default_pts to a suitable value for dvdread access */
286 var_Create( p_demux, "dvdread-caching",
287 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
292 /*****************************************************************************
294 *****************************************************************************/
295 static void Close( vlc_object_t *p_this )
297 demux_t *p_demux = (demux_t*)p_this;
298 demux_sys_t *p_sys = p_demux->p_sys;
301 for( i = 0; i < PS_TK_COUNT; i++ )
303 ps_track_t *tk = &p_sys->tk[i];
306 es_format_Clean( &tk->fmt );
307 if( tk->es ) es_out_Del( p_demux->out, tk->es );
311 /* Close libdvdread */
312 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
313 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
314 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
315 DVDClose( p_sys->p_dvdread );
320 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
322 /* Macro to convert Binary Coded Decimal to Decimal */
323 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
326 int64_t i_micro_second = 0;
328 if (still_time == 0 || still_time == 0xFF)
330 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
331 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
332 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
334 switch((dtime->frame_u & 0xc0) >> 6)
346 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
347 i_micro_second += (int64_t)(f_ms * 1000.0);
351 i_micro_second = still_time;
352 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
355 return i_micro_second;
358 /*****************************************************************************
360 *****************************************************************************/
361 static int Control( demux_t *p_demux, int i_query, va_list args )
363 demux_sys_t *p_sys = p_demux->p_sys;
367 input_title_t ***ppp_title;
373 case DEMUX_GET_POSITION:
375 pf = (double*) va_arg( args, double* );
377 if( p_sys->i_title_blocks > 0 )
378 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
384 case DEMUX_SET_POSITION:
386 f = (double)va_arg( args, double );
388 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
393 pi64 = (int64_t*)va_arg( args, int64_t * );
394 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
396 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
397 p_sys->i_title_blocks * p_sys->i_title_offset;
403 case DEMUX_GET_LENGTH:
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 );
413 /* Special for access_demux */
414 case DEMUX_CAN_PAUSE:
416 case DEMUX_CAN_CONTROL_PACE:
418 pb = (bool*)va_arg( args, bool * );
422 case DEMUX_SET_PAUSE_STATE:
425 case DEMUX_GET_TITLE_INFO:
426 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
427 pi_int = (int*)va_arg( args, int* );
428 *((int*)va_arg( args, int* )) = 1; /* Title offset */
429 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
431 /* Duplicate title infos */
432 *pi_int = p_sys->i_titles;
433 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
434 for( i = 0; i < p_sys->i_titles; i++ )
436 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
440 case DEMUX_SET_TITLE:
441 i = (int)va_arg( args, int );
442 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
444 msg_Warn( p_demux, "cannot set title/chapter" );
447 p_demux->info.i_update |=
448 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
449 p_demux->info.i_title = i;
450 p_demux->info.i_seekpoint = 0;
453 case DEMUX_SET_SEEKPOINT:
454 i = (int)va_arg( args, int );
455 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
457 msg_Warn( p_demux, "cannot set title/chapter" );
460 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
461 p_demux->info.i_seekpoint = i;
464 case DEMUX_GET_PTS_DELAY:
465 pi64 = (int64_t*)va_arg( args, int64_t * );
466 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
469 /* TODO implement others */
475 /*****************************************************************************
477 *****************************************************************************/
478 static int Demux( demux_t *p_demux )
480 demux_sys_t *p_sys = p_demux->p_sys;
482 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
483 int i_blocks_once, i_read;
487 * Playback by cell in this pgc, starting at the cell for our chapter.
491 * Check end of pack, and select the following one
493 if( !p_sys->i_pack_len )
495 /* Read NAV packet */
496 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
499 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
500 intf_UserWarn( p_demux, _("Playback failure"),
501 _("DVDRead could not read block %d."),
502 p_sys->i_next_vobu );
506 /* Basic check to be sure we don't have a empty title
507 * go to next title if so */
508 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
510 /* Parse the contained dsi packet */
511 DvdReadHandleDSI( p_demux, p_buffer );
514 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
516 if( p_sys->i_title + 1 >= p_sys->i_titles )
521 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
524 if( p_sys->i_pack_len >= 1024 )
526 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
527 "This shouldn't happen!", p_sys->i_pack_len );
531 /* FIXME: Ugly kludge: we send the pack block to the input for it
532 * sometimes has a zero scr and restart the sync */
533 p_sys->i_cur_block++;
534 p_sys->i_title_offset++;
536 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
539 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
541 if( p_sys->i_title + 1 >= p_sys->i_titles )
546 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
552 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
553 p_sys->i_pack_len -= i_blocks_once;
556 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
557 i_blocks_once, p_buffer );
558 if( i_read != i_blocks_once )
560 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
561 i_read, i_blocks_once, p_sys->i_cur_block );
562 intf_UserFatal( p_demux, false, _("Playback failure"),
563 _("DVDRead could not read %d/%d blocks at 0x%02x."),
564 i_read, i_blocks_once, p_sys->i_cur_block );
568 p_sys->i_cur_block += i_read;
569 p_sys->i_title_offset += i_read;
572 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
573 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
576 for( i = 0; i < i_read; i++ )
578 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
587 /*****************************************************************************
588 * DemuxBlock: demux a given block
589 *****************************************************************************/
590 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
592 demux_sys_t *p_sys = p_demux->p_sys;
595 while( p < &pkt[i_pkt] )
597 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
605 p_pkt = block_New( p_demux, i_size );
606 memcpy( p_pkt->p_buffer, p, i_size);
608 /* Parse it and send it */
609 switch( 0x100 | p[3] )
618 msg_Warn( p_demux, "received a PSM packet" );
620 else if( p[3] == 0xbb )
622 msg_Warn( p_demux, "received a SYSTEM packet" );
625 block_Release( p_pkt );
632 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
634 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
635 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
637 block_Release( p_pkt );
642 int i_id = ps_pkt_id( p_pkt );
645 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
649 ESNew( p_demux, i_id, 0 );
651 if( tk->b_seen && tk->es &&
652 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
654 es_out_Send( p_demux->out, tk->es, p_pkt );
658 block_Release( p_pkt );
663 block_Release( p_pkt );
675 /*****************************************************************************
676 * ESNew: register a new elementary stream
677 *****************************************************************************/
678 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
680 demux_sys_t *p_sys = p_demux->p_sys;
681 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
682 char psz_language[3];
684 if( tk->b_seen ) return;
686 if( ps_track_fill( tk, 0, i_id ) )
688 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
692 psz_language[0] = psz_language[1] = psz_language[2] = 0;
693 if( i_lang && i_lang != 0xffff )
695 psz_language[0] = (i_lang >> 8)&0xff;
696 psz_language[1] = (i_lang )&0xff;
700 if( tk->fmt.i_cat == VIDEO_ES )
702 if( p_sys->i_aspect >= 0 )
704 tk->fmt.video.i_aspect = p_sys->i_aspect;
707 else if( tk->fmt.i_cat == AUDIO_ES )
710 /* find the audio number PLEASE find another way */
711 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
715 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
719 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
723 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
728 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
730 else if( tk->fmt.i_cat == SPU_ES )
733 tk->fmt.subs.spu.palette[0] = 0xBeef;
734 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
735 16 * sizeof( uint32_t ) );
737 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
740 tk->es = es_out_Add( p_demux->out, &tk->fmt );
744 /*****************************************************************************
745 * DvdReadSetArea: initialize input data for title x, chapter y.
746 * It should be called for each user navigation request.
747 *****************************************************************************
748 * Take care that i_title and i_chapter start from 0.
749 *****************************************************************************/
750 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
753 demux_sys_t *p_sys = p_demux->p_sys;
754 int pgc_id = 0, pgn = 0;
757 #define p_pgc p_sys->p_cur_pgc
758 #define p_vmg p_sys->p_vmg_file
759 #define p_vts p_sys->p_vts_file
761 if( i_title >= 0 && i_title < p_sys->i_titles &&
762 i_title != p_sys->i_title )
764 int i_start_cell, i_end_cell;
766 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
767 if( p_vts != NULL ) ifoClose( p_vts );
768 p_sys->i_title = i_title;
771 * We have to load all title information
773 msg_Dbg( p_demux, "open VTS %d, for title %d",
774 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
777 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
778 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
780 msg_Err( p_demux, "fatal error in vts ifo" );
784 /* Title position inside the selected vts */
785 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
787 /* Find title start/end */
788 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
789 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
790 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
792 p_sys->i_title_start_cell =
793 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
794 p_sys->i_title_start_block =
795 p_pgc->cell_playback[i_start_cell].first_sector;
797 p_sys->i_title_end_cell =
798 i_end_cell = p_pgc->nr_of_cells - 1;
799 p_sys->i_title_end_block =
800 p_pgc->cell_playback[i_end_cell].last_sector;
802 p_sys->i_title_offset = 0;
804 p_sys->i_title_blocks = 0;
805 for( i = i_start_cell; i <= i_end_cell; i++ )
807 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
808 p_pgc->cell_playback[i].first_sector + 1;
811 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
812 "start %d end %d blocks: %d",
813 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
814 p_sys->i_title_start_block, p_sys->i_title_end_block,
815 p_sys->i_title_blocks );
818 * Set properties for current chapter
820 p_sys->i_chapter = 0;
822 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
824 pgc_id = p_vts->vts_ptt_srpt->title[
825 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
826 pgn = p_vts->vts_ptt_srpt->title[
827 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
829 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
830 p_sys->i_pack_len = 0;
832 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
833 DvdReadFindCell( p_demux );
835 p_sys->i_next_vobu = p_sys->i_cur_block =
836 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
841 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
842 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
845 * We've got enough info, time to open the title set data.
847 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
848 p_vmg->tt_srpt->title[i_title].title_set_nr,
849 DVD_READ_TITLE_VOBS ) ) )
851 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
852 p_vmg->tt_srpt->title[i_title].title_set_nr );
856 //IfoPrintTitle( p_demux );
859 * Destroy obsolete ES by reinitializing program 0
860 * and find all ES in title with ifo data
862 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
864 for( i = 0; i < PS_TK_COUNT; i++ )
866 ps_track_t *tk = &p_sys->tk[i];
869 es_format_Clean( &tk->fmt );
870 if( tk->es ) es_out_Del( p_demux->out, tk->es );
875 if( p_demux->info.i_title != i_title )
877 p_demux->info.i_update |=
878 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
879 p_demux->info.i_title = i_title;
880 p_demux->info.i_seekpoint = 0;
883 /* TODO: re-add angles */
886 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
887 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
889 #define audio_control \
890 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
892 /* Audio ES, in the order they appear in the .ifo */
893 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
898 //IfoPrintAudio( p_demux, i );
900 /* Audio channel is active if first byte is 0x80 */
901 if( audio_control & 0x8000 )
903 i_position = ( audio_control & 0x7F00 ) >> 8;
905 msg_Dbg( p_demux, "audio position %d", i_position );
906 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
909 i_id = (0x80 + i_position) | 0xbd00;
912 case 0x03: /* MPEG audio */
913 i_id = 0xc000 + i_position;
915 case 0x04: /* LPCM */
916 i_id = (0xa0 + i_position) | 0xbd00;
919 i_id = (0x88 + i_position) | 0xbd00;
923 msg_Err( p_demux, "unknown audio type %.2x",
924 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
927 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
928 vts_audio_attr[i - 1].lang_code );
933 #define spu_palette \
934 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
936 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
938 #define spu_control \
939 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
942 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
947 //IfoPrintSpu( p_sys, i );
948 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
950 if( spu_control & 0x80000000 )
952 /* there are several streams for one spu */
953 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
956 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
958 case 1: /* letterbox */
959 i_position = spu_control & 0xff;
961 case 2: /* pan&scan */
962 i_position = ( spu_control >> 8 ) & 0xff;
964 default: /* widescreen */
965 i_position = ( spu_control >> 16 ) & 0xff;
972 i_position = ( spu_control >> 24 ) & 0x7F;
975 i_id = (0x20 + i_position) | 0xbd00;
977 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
978 vts_subp_attr[i - 1].lang_code );
984 else if( i_title != -1 && i_title != p_sys->i_title )
987 return VLC_EGENERIC; /* Couldn't set title */
994 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
996 pgc_id = p_vts->vts_ptt_srpt->title[
997 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
998 pgn = p_vts->vts_ptt_srpt->title[
999 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1001 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1003 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1004 p_sys->i_chapter = i_chapter;
1005 DvdReadFindCell( p_demux );
1007 p_sys->i_title_offset = 0;
1008 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1010 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1011 p_pgc->cell_playback[i].first_sector + 1;
1014 p_sys->i_pack_len = 0;
1015 p_sys->i_next_vobu = p_sys->i_cur_block =
1016 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1018 if( p_demux->info.i_seekpoint != i_chapter )
1020 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1021 p_demux->info.i_seekpoint = i_chapter;
1024 else if( i_chapter != -1 )
1027 return VLC_EGENERIC; /* Couldn't set chapter */
1037 /*****************************************************************************
1038 * DvdReadSeek : Goes to a given position on the stream.
1039 *****************************************************************************
1040 * This one is used by the input and translate chronological position from
1041 * input to logical position on the device.
1042 *****************************************************************************/
1043 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1045 demux_sys_t *p_sys = p_demux->p_sys;
1052 #define p_pgc p_sys->p_cur_pgc
1053 #define p_vts p_sys->p_vts_file
1056 i_block = i_block_offset;
1057 for( i_cell = p_sys->i_title_start_cell;
1058 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1060 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1061 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1063 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1064 p_pgc->cell_playback[i_cell].first_sector + 1);
1066 if( i_cell > p_sys->i_title_end_cell )
1068 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1071 i_block += p_pgc->cell_playback[i_cell].first_sector;
1072 p_sys->i_title_offset = i_block_offset;
1075 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1077 int pgc_id, pgn, i_tmp;
1079 pgc_id = p_vts->vts_ptt_srpt->title[
1080 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1081 pgn = p_vts->vts_ptt_srpt->title[
1082 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1084 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1086 if( i_tmp > i_cell ) break;
1089 if( i_chapter < p_sys->i_chapters &&
1090 p_demux->info.i_seekpoint != i_chapter )
1092 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1093 p_demux->info.i_seekpoint = i_chapter;
1097 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1103 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1104 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1110 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1111 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1112 i_cell, i_sub_cell, i_chapter, i_vobu,
1113 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1114 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1115 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1118 p_sys->i_cur_block = i_block;
1119 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1120 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1121 p_sys->i_cur_cell = i_cell;
1122 p_sys->i_chapter = i_chapter;
1123 DvdReadFindCell( p_demux );
1131 /*****************************************************************************
1133 *****************************************************************************/
1134 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1136 demux_sys_t *p_sys = p_demux->p_sys;
1138 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1141 * Determine where we go next. These values are the ones we mostly
1144 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1145 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1148 * Store the timecodes so we can get the current time
1150 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1151 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1154 * If we're not at the end of this cell, we can determine the next
1155 * VOBU to display using the VOBU_SRI information section of the
1156 * DSI. Using this value correctly follows the current angle,
1157 * avoiding the doubled scenes in The Matrix, and makes our life
1161 p_sys->i_next_vobu = p_sys->i_cur_block +
1162 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1164 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1165 && p_sys->i_angle > 1 )
1167 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1170 /* Interleaved unit with no angle */
1171 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1173 p_sys->i_next_vobu = p_sys->i_cur_block +
1174 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1175 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1179 p_sys->i_next_vobu = p_sys->i_cur_block +
1180 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1184 /* vobu is end of ilvu */
1185 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1187 p_sys->i_next_vobu = p_sys->i_cur_block +
1188 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1189 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1194 /* vobu is beginning of ilvu */
1198 /* entering interleaved section */
1200 /* non interleaved cells in interleaved section */
1202 p_sys->i_next_vobu = p_sys->i_cur_block +
1203 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1207 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1209 p_sys->i_cur_cell = p_sys->i_next_cell;
1212 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1214 DvdReadFindCell( p_demux );
1216 p_sys->i_next_vobu =
1217 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1219 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 );
1224 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1225 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1226 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1227 p_sys->dsi_pack.dsi_gi.vobu_ea,
1228 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1229 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1230 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1232 msg_Dbg( p_demux, "cell duration: %lld",
1233 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1235 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1236 p_sys->dsi_pack.sml_pbi.category,
1237 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1238 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1239 p_sys->dsi_pack.sml_pbi.size );
1241 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1242 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1243 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1244 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1248 /*****************************************************************************
1250 *****************************************************************************/
1251 static void DvdReadFindCell( demux_t *p_demux )
1253 demux_sys_t *p_sys = p_demux->p_sys;
1259 #define cell p_sys->p_cur_pgc->cell_playback
1261 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1263 p_sys->i_cur_cell += p_sys->i_angle - 1;
1265 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1269 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1273 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1278 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1280 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1281 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1282 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1283 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1284 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1286 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1290 if( p_sys->i_chapter < p_sys->i_chapters &&
1291 p_demux->info.i_seekpoint != p_sys->i_chapter )
1293 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1294 p_demux->info.i_seekpoint = p_sys->i_chapter;
1299 /*****************************************************************************
1300 * DemuxTitles: get the titles/chapters structure
1301 *****************************************************************************/
1302 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1304 demux_sys_t *p_sys = p_demux->p_sys;
1310 /* Find out number of titles/chapters */
1311 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1313 i_titles = tt_srpt->nr_of_srpts;
1314 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1316 for( i = 0; i < i_titles; i++ )
1318 int32_t i_chapters = 0;
1321 i_chapters = tt_srpt->title[i].nr_of_ptts;
1322 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1324 t = vlc_input_title_New();
1326 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1328 s = vlc_seekpoint_New();
1329 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1332 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );