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 *****************************************************************************/
29 #include <stdlib.h> /* malloc(), free() */
30 #include <string.h> /* strdup() */
33 #include <vlc_access.h>
35 #include <vlc_interface.h>
39 #include "../demux/ps.h"
46 #include <sys/types.h>
50 #include <dvdread/dvd_reader.h>
51 #include <dvdread/ifo_types.h>
52 #include <dvdread/ifo_read.h>
53 #include <dvdread/nav_read.h>
54 #include <dvdread/nav_print.h>
56 /*****************************************************************************
58 *****************************************************************************/
59 #define ANGLE_TEXT N_("DVD angle")
60 #define ANGLE_LONGTEXT N_( \
61 "Default DVD angle." )
63 #define CACHING_TEXT N_("Caching value in ms")
64 #define CACHING_LONGTEXT N_( \
65 "Caching value for DVDs. " \
66 "This value should be set in milliseconds." )
68 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
69 #define CSSMETHOD_LONGTEXT N_( \
70 "Set the method used by libdvdcss for key decryption.\n" \
71 "title: decrypted title key is guessed from the encrypted sectors of " \
72 "the stream. Thus it should work with a file as well as the " \
73 "DVD device. But it sometimes takes much time to decrypt a title " \
74 "key and may even fail. With this method, the key is only checked "\
75 "at the beginning of each title, so it won't work if the key " \
76 "changes in the middle of a title.\n" \
77 "disc: the disc key is first cracked, then all title keys can be " \
78 "decrypted instantly, which allows us to check them often.\n" \
79 "key: the same as \"disc\" if you don't have a file with player keys " \
80 "at compilation time. If you do, the decryption of the disc key " \
81 "will be faster with this method. It is the one that was used by " \
83 "The default method is: key.")
85 static char *psz_css_list[] = { "title", "disc", "key" };
86 static char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
88 static int Open ( vlc_object_t * );
89 static void Close( vlc_object_t * );
92 set_shortname( _("DVD without menus") );
93 set_description( _("DVDRead Input (DVD without menu support)") );
94 set_category( CAT_INPUT );
95 set_subcategory( SUBCAT_INPUT_ACCESS );
96 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
97 ANGLE_LONGTEXT, VLC_FALSE );
98 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
99 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
100 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
101 CSSMETHOD_LONGTEXT, VLC_TRUE );
102 change_string_list( psz_css_list, psz_css_list_text, 0 );
103 set_capability( "access_demux", 0 );
104 add_shortcut( "dvd" );
105 add_shortcut( "dvdread" );
106 add_shortcut( "dvdsimple" );
107 set_callbacks( Open, Close );
110 /* how many blocks DVDRead will read in each loop */
111 #define DVD_BLOCK_READ_ONCE 4
113 /*****************************************************************************
115 *****************************************************************************/
120 dvd_reader_t *p_dvdread;
123 ifo_handle_t *p_vmg_file;
124 ifo_handle_t *p_vts_file;
127 int i_chapter, i_chapters;
128 int i_angle, i_angles;
130 tt_srpt_t *p_tt_srpt;
141 /* Current title start/end blocks */
142 int i_title_start_block;
143 int i_title_end_block;
146 mtime_t i_title_cur_time;
148 int i_title_start_cell;
149 int i_title_end_cell;
152 mtime_t i_cell_cur_time;
153 mtime_t i_cell_duration;
156 ps_track_t tk[PS_TK_COUNT];
159 input_title_t **titles;
168 static int Control ( demux_t *, int, va_list );
169 static int Demux ( demux_t * );
170 static int DemuxBlock( demux_t *, uint8_t *, int );
172 static void DemuxTitles( demux_t *, int * );
173 static void ESNew( demux_t *, int, int );
175 static int DvdReadSetArea ( demux_t *, int, int, int );
176 static void DvdReadSeek ( demux_t *, int );
177 static void DvdReadHandleDSI( demux_t *, uint8_t * );
178 static void DvdReadFindCell ( demux_t * );
180 /*****************************************************************************
182 *****************************************************************************/
183 static int Open( vlc_object_t *p_this )
185 demux_t *p_demux = (demux_t*)p_this;
188 char *psz_dvdcss_env;
189 dvd_reader_t *p_dvdread;
190 ifo_handle_t *p_vmg_file;
193 if( !p_demux->psz_path || !*p_demux->psz_path )
195 /* Only when selected */
196 if( !p_this->b_force ) return VLC_EGENERIC;
198 psz_name = var_CreateGetString( p_this, "dvd" );
201 psz_name = strdup("");
205 psz_name = strdup( p_demux->psz_path );
208 if( psz_name[0] && psz_name[1] == ':' &&
209 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
212 /* Override environment variable DVDCSS_METHOD with config option
213 * (FIXME: this creates a small memory leak) */
214 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
215 if( psz_dvdcss_env && *psz_dvdcss_env )
219 psz_env = malloc( strlen("DVDCSS_METHOD=") +
220 strlen( psz_dvdcss_env ) + 1 );
223 free( psz_dvdcss_env );
227 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
231 if( psz_dvdcss_env ) free( psz_dvdcss_env );
234 if( !(p_dvdread = DVDOpen( psz_name )) )
236 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
237 intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
238 _("DVDRead could not open disk \"%s\"."), psz_name );
244 /* Ifo allocation & initialisation */
245 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
247 msg_Warn( p_demux, "cannot open VMG info" );
250 msg_Dbg( p_demux, "VMG opened" );
252 /* Fill p_demux field */
253 STANDARD_DEMUX_INIT; p_sys = p_demux->p_sys;
255 ps_track_init( p_sys->tk );
256 p_sys->i_aspect = -1;
257 p_sys->i_title_cur_time = (mtime_t) 0;
258 p_sys->i_cell_cur_time = (mtime_t) 0;
259 p_sys->i_cell_duration = (mtime_t) 0;
261 p_sys->p_dvdread = p_dvdread;
262 p_sys->p_vmg_file = p_vmg_file;
263 p_sys->p_title = NULL;
264 p_sys->p_vts_file = NULL;
266 p_sys->i_title = p_sys->i_chapter = -1;
267 p_sys->i_mux_rate = 0;
269 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
270 var_Get( p_demux, "dvdread-angle", &val );
271 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
273 DemuxTitles( p_demux, &p_sys->i_angle );
274 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
277 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
282 /* Update default_pts to a suitable value for dvdread access */
283 var_Create( p_demux, "dvdread-caching",
284 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
289 /*****************************************************************************
291 *****************************************************************************/
292 static void Close( vlc_object_t *p_this )
294 demux_t *p_demux = (demux_t*)p_this;
295 demux_sys_t *p_sys = p_demux->p_sys;
298 for( i = 0; i < PS_TK_COUNT; i++ )
300 ps_track_t *tk = &p_sys->tk[i];
303 es_format_Clean( &tk->fmt );
304 if( tk->es ) es_out_Del( p_demux->out, tk->es );
308 /* Close libdvdread */
309 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
310 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
311 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
312 DVDClose( p_sys->p_dvdread );
317 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
319 /* Macro to convert Binary Coded Decimal to Decimal */
320 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
323 int64_t i_micro_second = 0;
325 if (still_time == 0 || still_time == 0xFF)
327 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
328 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
329 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
331 switch((dtime->frame_u & 0xc0) >> 6)
343 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
344 i_micro_second += (int64_t)(f_ms * 1000.0);
348 i_micro_second = still_time;
349 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
352 return i_micro_second;
355 /*****************************************************************************
357 *****************************************************************************/
358 static int Control( demux_t *p_demux, int i_query, va_list args )
360 demux_sys_t *p_sys = p_demux->p_sys;
364 input_title_t ***ppp_title;
370 case DEMUX_GET_POSITION:
372 pf = (double*) va_arg( args, double* );
374 if( p_sys->i_title_blocks > 0 )
375 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
381 case DEMUX_SET_POSITION:
383 f = (double)va_arg( args, double );
385 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
390 pi64 = (int64_t*)va_arg( args, int64_t * );
391 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
393 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
394 p_sys->i_title_blocks * p_sys->i_title_offset;
400 case DEMUX_GET_LENGTH:
401 pi64 = (int64_t*)va_arg( args, int64_t * );
402 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
404 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
410 /* Special for access_demux */
411 case DEMUX_CAN_PAUSE:
412 case DEMUX_CAN_CONTROL_PACE:
414 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
418 case DEMUX_SET_PAUSE_STATE:
421 case DEMUX_GET_TITLE_INFO:
422 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
423 pi_int = (int*)va_arg( args, int* );
424 *((int*)va_arg( args, int* )) = 1; /* Title offset */
425 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
427 /* Duplicate title infos */
428 *pi_int = p_sys->i_titles;
429 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
430 for( i = 0; i < p_sys->i_titles; i++ )
432 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
436 case DEMUX_SET_TITLE:
437 i = (int)va_arg( args, int );
438 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
440 msg_Warn( p_demux, "cannot set title/chapter" );
443 p_demux->info.i_update |=
444 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
445 p_demux->info.i_title = i;
446 p_demux->info.i_seekpoint = 0;
449 case DEMUX_SET_SEEKPOINT:
450 i = (int)va_arg( args, int );
451 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
453 msg_Warn( p_demux, "cannot set title/chapter" );
456 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
457 p_demux->info.i_seekpoint = i;
460 case DEMUX_GET_PTS_DELAY:
461 pi64 = (int64_t*)va_arg( args, int64_t * );
462 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
465 /* TODO implement others */
471 /*****************************************************************************
473 *****************************************************************************/
474 static int Demux( demux_t *p_demux )
476 demux_sys_t *p_sys = p_demux->p_sys;
478 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
479 int i_blocks_once, i_read;
483 * Playback by cell in this pgc, starting at the cell for our chapter.
487 * Check end of pack, and select the following one
489 if( !p_sys->i_pack_len )
491 /* Read NAV packet */
492 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
495 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
496 intf_UserWarn( p_demux, _("Playback failure"),
497 _("DVDRead could not read block %d."),
498 p_sys->i_next_vobu );
502 /* Basic check to be sure we don't have a empty title
503 * go to next title if so */
504 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
506 /* Parse the contained dsi packet */
507 DvdReadHandleDSI( p_demux, p_buffer );
510 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
512 if( p_sys->i_title + 1 >= p_sys->i_titles )
517 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
520 if( p_sys->i_pack_len >= 1024 )
522 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
523 "This shouldn't happen!", p_sys->i_pack_len );
527 /* FIXME: Ugly kludge: we send the pack block to the input for it
528 * sometimes has a zero scr and restart the sync */
529 p_sys->i_cur_block++;
530 p_sys->i_title_offset++;
532 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
535 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
537 if( p_sys->i_title + 1 >= p_sys->i_titles )
542 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
548 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
549 p_sys->i_pack_len -= i_blocks_once;
552 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
553 i_blocks_once, p_buffer );
554 if( i_read != i_blocks_once )
556 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
557 i_read, i_blocks_once, p_sys->i_cur_block );
558 intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
559 _("DVDRead could not read %d/%d blocks at 0x%02x."),
560 i_read, i_blocks_once, p_sys->i_cur_block );
564 p_sys->i_cur_block += i_read;
565 p_sys->i_title_offset += i_read;
568 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
569 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
572 for( i = 0; i < i_read; i++ )
574 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
583 /*****************************************************************************
584 * DemuxBlock: demux a given block
585 *****************************************************************************/
586 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
588 demux_sys_t *p_sys = p_demux->p_sys;
591 while( p < &pkt[i_pkt] )
593 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
601 p_pkt = block_New( p_demux, i_size );
602 memcpy( p_pkt->p_buffer, p, i_size);
604 /* Parse it and send it */
605 switch( 0x100 | p[3] )
614 msg_Warn( p_demux, "received a PSM packet" );
616 else if( p[3] == 0xbb )
618 msg_Warn( p_demux, "received a SYSTEM packet" );
621 block_Release( p_pkt );
628 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
630 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
631 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
633 block_Release( p_pkt );
638 int i_id = ps_pkt_id( p_pkt );
641 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
645 ESNew( p_demux, i_id, 0 );
647 if( tk->b_seen && tk->es &&
648 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
650 es_out_Send( p_demux->out, tk->es, p_pkt );
654 block_Release( p_pkt );
659 block_Release( p_pkt );
671 /*****************************************************************************
672 * ESNew: register a new elementary stream
673 *****************************************************************************/
674 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
676 demux_sys_t *p_sys = p_demux->p_sys;
677 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
678 char psz_language[3];
680 if( tk->b_seen ) return;
682 if( ps_track_fill( tk, 0, i_id ) )
684 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
688 psz_language[0] = psz_language[1] = psz_language[2] = 0;
689 if( i_lang && i_lang != 0xffff )
691 psz_language[0] = (i_lang >> 8)&0xff;
692 psz_language[1] = (i_lang )&0xff;
696 if( tk->fmt.i_cat == VIDEO_ES )
698 if( p_sys->i_aspect >= 0 )
700 tk->fmt.video.i_aspect = p_sys->i_aspect;
703 else if( tk->fmt.i_cat == AUDIO_ES )
706 /* find the audio number PLEASE find another way */
707 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
711 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
715 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
719 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
724 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
726 else if( tk->fmt.i_cat == SPU_ES )
729 tk->fmt.subs.spu.palette[0] = 0xBeef;
730 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
731 16 * sizeof( uint32_t ) );
733 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
736 tk->es = es_out_Add( p_demux->out, &tk->fmt );
737 tk->b_seen = VLC_TRUE;
740 /*****************************************************************************
741 * DvdReadSetArea: initialize input data for title x, chapter y.
742 * It should be called for each user navigation request.
743 *****************************************************************************
744 * Take care that i_title and i_chapter start from 0.
745 *****************************************************************************/
746 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
749 demux_sys_t *p_sys = p_demux->p_sys;
750 int pgc_id = 0, pgn = 0;
753 #define p_pgc p_sys->p_cur_pgc
754 #define p_vmg p_sys->p_vmg_file
755 #define p_vts p_sys->p_vts_file
757 if( i_title >= 0 && i_title < p_sys->i_titles &&
758 i_title != p_sys->i_title )
760 int i_start_cell, i_end_cell;
762 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
763 if( p_vts != NULL ) ifoClose( p_vts );
764 p_sys->i_title = i_title;
767 * We have to load all title information
769 msg_Dbg( p_demux, "open VTS %d, for title %d",
770 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
773 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
774 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
776 msg_Err( p_demux, "fatal error in vts ifo" );
780 /* Title position inside the selected vts */
781 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
783 /* Find title start/end */
784 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
785 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
786 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
788 p_sys->i_title_start_cell =
789 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
790 p_sys->i_title_start_block =
791 p_pgc->cell_playback[i_start_cell].first_sector;
793 p_sys->i_title_end_cell =
794 i_end_cell = p_pgc->nr_of_cells - 1;
795 p_sys->i_title_end_block =
796 p_pgc->cell_playback[i_end_cell].last_sector;
798 p_sys->i_title_offset = 0;
800 p_sys->i_title_blocks = 0;
801 for( i = i_start_cell; i <= i_end_cell; i++ )
803 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
804 p_pgc->cell_playback[i].first_sector + 1;
807 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
808 "start %d end %d blocks: %d",
809 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
810 p_sys->i_title_start_block, p_sys->i_title_end_block,
811 p_sys->i_title_blocks );
814 * Set properties for current chapter
816 p_sys->i_chapter = 0;
818 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
820 pgc_id = p_vts->vts_ptt_srpt->title[
821 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
822 pgn = p_vts->vts_ptt_srpt->title[
823 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
825 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
826 p_sys->i_pack_len = 0;
828 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
829 DvdReadFindCell( p_demux );
831 p_sys->i_next_vobu = p_sys->i_cur_block =
832 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
837 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
838 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
841 * We've got enough info, time to open the title set data.
843 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
844 p_vmg->tt_srpt->title[i_title].title_set_nr,
845 DVD_READ_TITLE_VOBS ) ) )
847 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
848 p_vmg->tt_srpt->title[i_title].title_set_nr );
852 //IfoPrintTitle( p_demux );
855 * Destroy obsolete ES by reinitializing program 0
856 * and find all ES in title with ifo data
858 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
860 for( i = 0; i < PS_TK_COUNT; i++ )
862 ps_track_t *tk = &p_sys->tk[i];
865 es_format_Clean( &tk->fmt );
866 if( tk->es ) es_out_Del( p_demux->out, tk->es );
868 tk->b_seen = VLC_FALSE;
871 if( p_demux->info.i_title != i_title )
873 p_demux->info.i_update |=
874 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
875 p_demux->info.i_title = i_title;
876 p_demux->info.i_seekpoint = 0;
879 /* TODO: re-add angles */
882 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
883 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
885 #define audio_control \
886 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
888 /* Audio ES, in the order they appear in the .ifo */
889 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
894 //IfoPrintAudio( p_demux, i );
896 /* Audio channel is active if first byte is 0x80 */
897 if( audio_control & 0x8000 )
899 i_position = ( audio_control & 0x7F00 ) >> 8;
901 msg_Dbg( p_demux, "audio position %d", i_position );
902 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
905 i_id = (0x80 + i_position) | 0xbd00;
908 case 0x03: /* MPEG audio */
909 i_id = 0xc000 + i_position;
911 case 0x04: /* LPCM */
912 i_id = (0xa0 + i_position) | 0xbd00;
915 i_id = (0x88 + i_position) | 0xbd00;
919 msg_Err( p_demux, "unknown audio type %.2x",
920 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
923 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
924 vts_audio_attr[i - 1].lang_code );
929 #define spu_palette \
930 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
932 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
934 #define spu_control \
935 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
938 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
943 //IfoPrintSpu( p_sys, i );
944 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
946 if( spu_control & 0x80000000 )
948 /* there are several streams for one spu */
949 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
952 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
954 case 1: /* letterbox */
955 i_position = spu_control & 0xff;
957 case 2: /* pan&scan */
958 i_position = ( spu_control >> 8 ) & 0xff;
960 default: /* widescreen */
961 i_position = ( spu_control >> 16 ) & 0xff;
968 i_position = ( spu_control >> 24 ) & 0x7F;
971 i_id = (0x20 + i_position) | 0xbd00;
973 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
974 vts_subp_attr[i - 1].lang_code );
980 else if( i_title != -1 && i_title != p_sys->i_title )
983 return VLC_EGENERIC; /* Couldn't set title */
990 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
992 pgc_id = p_vts->vts_ptt_srpt->title[
993 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
994 pgn = p_vts->vts_ptt_srpt->title[
995 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
997 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
999 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1000 p_sys->i_chapter = i_chapter;
1001 DvdReadFindCell( p_demux );
1003 p_sys->i_title_offset = 0;
1004 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1006 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1007 p_pgc->cell_playback[i].first_sector + 1;
1010 p_sys->i_pack_len = 0;
1011 p_sys->i_next_vobu = p_sys->i_cur_block =
1012 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1014 if( p_demux->info.i_seekpoint != i_chapter )
1016 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1017 p_demux->info.i_seekpoint = i_chapter;
1020 else if( i_chapter != -1 )
1023 return VLC_EGENERIC; /* Couldn't set chapter */
1033 /*****************************************************************************
1034 * DvdReadSeek : Goes to a given position on the stream.
1035 *****************************************************************************
1036 * This one is used by the input and translate chronological position from
1037 * input to logical position on the device.
1038 *****************************************************************************/
1039 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1041 demux_sys_t *p_sys = p_demux->p_sys;
1048 #define p_pgc p_sys->p_cur_pgc
1049 #define p_vts p_sys->p_vts_file
1052 i_block = i_block_offset;
1053 for( i_cell = p_sys->i_title_start_cell;
1054 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1056 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1057 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1059 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1060 p_pgc->cell_playback[i_cell].first_sector + 1);
1062 if( i_cell > p_sys->i_title_end_cell )
1064 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1067 i_block += p_pgc->cell_playback[i_cell].first_sector;
1068 p_sys->i_title_offset = i_block_offset;
1071 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1073 int pgc_id, pgn, i_tmp;
1075 pgc_id = p_vts->vts_ptt_srpt->title[
1076 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1077 pgn = p_vts->vts_ptt_srpt->title[
1078 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1080 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1082 if( i_tmp > i_cell ) break;
1085 if( i_chapter < p_sys->i_chapters &&
1086 p_demux->info.i_seekpoint != i_chapter )
1088 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1089 p_demux->info.i_seekpoint = i_chapter;
1093 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1099 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1100 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1106 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1107 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1108 i_cell, i_sub_cell, i_chapter, i_vobu,
1109 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1110 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1111 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1114 p_sys->i_cur_block = i_block;
1115 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1116 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1117 p_sys->i_cur_cell = i_cell;
1118 p_sys->i_chapter = i_chapter;
1119 DvdReadFindCell( p_demux );
1127 /*****************************************************************************
1129 *****************************************************************************/
1130 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1132 demux_sys_t *p_sys = p_demux->p_sys;
1134 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1137 * Determine where we go next. These values are the ones we mostly
1140 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1141 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1144 * Store the timecodes so we can get the current time
1146 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1147 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1150 * If we're not at the end of this cell, we can determine the next
1151 * VOBU to display using the VOBU_SRI information section of the
1152 * DSI. Using this value correctly follows the current angle,
1153 * avoiding the doubled scenes in The Matrix, and makes our life
1157 p_sys->i_next_vobu = p_sys->i_cur_block +
1158 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1160 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1161 && p_sys->i_angle > 1 )
1163 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1166 /* Interleaved unit with no angle */
1167 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1169 p_sys->i_next_vobu = p_sys->i_cur_block +
1170 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1171 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1175 p_sys->i_next_vobu = p_sys->i_cur_block +
1176 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1180 /* vobu is end of ilvu */
1181 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1183 p_sys->i_next_vobu = p_sys->i_cur_block +
1184 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1185 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1190 /* vobu is beginning of ilvu */
1194 /* entering interleaved section */
1196 /* non interleaved cells in interleaved section */
1198 p_sys->i_next_vobu = p_sys->i_cur_block +
1199 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1203 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1205 p_sys->i_cur_cell = p_sys->i_next_cell;
1208 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1210 DvdReadFindCell( p_demux );
1212 p_sys->i_next_vobu =
1213 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1215 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 );
1220 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1221 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1222 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1223 p_sys->dsi_pack.dsi_gi.vobu_ea,
1224 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1225 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1226 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1228 msg_Dbg( p_demux, "cell duration: %lld",
1229 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1231 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1232 p_sys->dsi_pack.sml_pbi.category,
1233 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1234 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1235 p_sys->dsi_pack.sml_pbi.size );
1237 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1238 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1239 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1240 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1244 /*****************************************************************************
1246 *****************************************************************************/
1247 static void DvdReadFindCell( demux_t *p_demux )
1249 demux_sys_t *p_sys = p_demux->p_sys;
1255 #define cell p_sys->p_cur_pgc->cell_playback
1257 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1259 p_sys->i_cur_cell += p_sys->i_angle - 1;
1261 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1265 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1269 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1274 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1276 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1277 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1278 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1279 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1280 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1282 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1286 if( p_sys->i_chapter < p_sys->i_chapters &&
1287 p_demux->info.i_seekpoint != p_sys->i_chapter )
1289 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1290 p_demux->info.i_seekpoint = p_sys->i_chapter;
1295 /*****************************************************************************
1296 * DemuxTitles: get the titles/chapters structure
1297 *****************************************************************************/
1298 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1300 demux_sys_t *p_sys = p_demux->p_sys;
1306 /* Find out number of titles/chapters */
1307 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1309 i_titles = tt_srpt->nr_of_srpts;
1310 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1312 for( i = 0; i < i_titles; i++ )
1314 int32_t i_chapters = 0;
1317 i_chapters = tt_srpt->title[i].nr_of_ptts;
1318 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1320 t = vlc_input_title_New();
1322 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1324 s = vlc_seekpoint_New();
1325 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1328 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );