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 *****************************************************************************/
30 #include <vlc_input.h>
31 #include <vlc_access.h>
33 #include <vlc_interface.h>
37 #include "../demux/ps.h"
44 #include <sys/types.h>
47 #include <dvdread/dvd_reader.h>
48 #include <dvdread/ifo_types.h>
49 #include <dvdread/ifo_read.h>
50 #include <dvdread/nav_read.h>
51 #include <dvdread/nav_print.h>
53 /*****************************************************************************
55 *****************************************************************************/
56 #define ANGLE_TEXT N_("DVD angle")
57 #define ANGLE_LONGTEXT N_( \
58 "Default DVD angle." )
60 #define CACHING_TEXT N_("Caching value in ms")
61 #define CACHING_LONGTEXT N_( \
62 "Caching value for DVDs. " \
63 "This value should be set in milliseconds." )
65 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
66 #define CSSMETHOD_LONGTEXT N_( \
67 "Set the method used by libdvdcss for key decryption.\n" \
68 "title: decrypted title key is guessed from the encrypted sectors of " \
69 "the stream. Thus it should work with a file as well as the " \
70 "DVD device. But it sometimes takes much time to decrypt a title " \
71 "key and may even fail. With this method, the key is only checked "\
72 "at the beginning of each title, so it won't work if the key " \
73 "changes in the middle of a title.\n" \
74 "disc: the disc key is first cracked, then all title keys can be " \
75 "decrypted instantly, which allows us to check them often.\n" \
76 "key: the same as \"disc\" if you don't have a file with player keys " \
77 "at compilation time. If you do, the decryption of the disc key " \
78 "will be faster with this method. It is the one that was used by " \
80 "The default method is: key.")
82 static const char *psz_css_list[] = { "title", "disc", "key" };
83 static const char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
85 static int Open ( vlc_object_t * );
86 static void Close( vlc_object_t * );
89 set_shortname( _("DVD without menus") );
90 set_description( _("DVDRead Input (DVD without menu support)") );
91 set_category( CAT_INPUT );
92 set_subcategory( SUBCAT_INPUT_ACCESS );
93 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
94 ANGLE_LONGTEXT, VLC_FALSE );
95 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
96 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
97 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
98 CSSMETHOD_LONGTEXT, VLC_TRUE );
99 change_string_list( psz_css_list, psz_css_list_text, 0 );
100 set_capability( "access_demux", 0 );
101 add_shortcut( "dvd" );
102 add_shortcut( "dvdread" );
103 add_shortcut( "dvdsimple" );
104 set_callbacks( Open, Close );
107 /* how many blocks DVDRead will read in each loop */
108 #define DVD_BLOCK_READ_ONCE 4
110 /*****************************************************************************
112 *****************************************************************************/
117 dvd_reader_t *p_dvdread;
120 ifo_handle_t *p_vmg_file;
121 ifo_handle_t *p_vts_file;
124 int i_chapter, i_chapters;
125 int i_angle, i_angles;
127 tt_srpt_t *p_tt_srpt;
138 /* Current title start/end blocks */
139 int i_title_start_block;
140 int i_title_end_block;
143 mtime_t i_title_cur_time;
145 int i_title_start_cell;
146 int i_title_end_cell;
149 mtime_t i_cell_cur_time;
150 mtime_t i_cell_duration;
153 ps_track_t tk[PS_TK_COUNT];
156 input_title_t **titles;
165 static int Control ( demux_t *, int, va_list );
166 static int Demux ( demux_t * );
167 static int DemuxBlock( demux_t *, uint8_t *, int );
169 static void DemuxTitles( demux_t *, int * );
170 static void ESNew( demux_t *, int, int );
172 static int DvdReadSetArea ( demux_t *, int, int, int );
173 static void DvdReadSeek ( demux_t *, int );
174 static void DvdReadHandleDSI( demux_t *, uint8_t * );
175 static void DvdReadFindCell ( demux_t * );
177 /*****************************************************************************
179 *****************************************************************************/
180 static int Open( vlc_object_t *p_this )
182 demux_t *p_demux = (demux_t*)p_this;
185 char *psz_dvdcss_env;
186 dvd_reader_t *p_dvdread;
187 ifo_handle_t *p_vmg_file;
190 if( !p_demux->psz_path || !*p_demux->psz_path )
192 /* Only when selected */
193 if( !p_this->b_force ) return VLC_EGENERIC;
195 psz_name = var_CreateGetString( p_this, "dvd" );
198 psz_name = strdup("");
202 psz_name = strdup( p_demux->psz_path );
205 if( psz_name[0] && psz_name[1] == ':' &&
206 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
209 /* Override environment variable DVDCSS_METHOD with config option
210 * (FIXME: this creates a small memory leak) */
211 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
212 if( psz_dvdcss_env && *psz_dvdcss_env )
216 psz_env = malloc( strlen("DVDCSS_METHOD=") +
217 strlen( psz_dvdcss_env ) + 1 );
220 free( psz_dvdcss_env );
224 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
228 if( psz_dvdcss_env ) free( psz_dvdcss_env );
231 if( !(p_dvdread = DVDOpen( psz_name )) )
233 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
234 intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
235 _("DVDRead could not open the disk \"%s\"."), psz_name );
241 /* Ifo allocation & initialisation */
242 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
244 msg_Warn( p_demux, "cannot open VMG info" );
247 msg_Dbg( p_demux, "VMG opened" );
249 /* Fill p_demux field */
250 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
252 ps_track_init( p_sys->tk );
253 p_sys->i_aspect = -1;
254 p_sys->i_title_cur_time = (mtime_t) 0;
255 p_sys->i_cell_cur_time = (mtime_t) 0;
256 p_sys->i_cell_duration = (mtime_t) 0;
258 p_sys->p_dvdread = p_dvdread;
259 p_sys->p_vmg_file = p_vmg_file;
260 p_sys->p_title = NULL;
261 p_sys->p_vts_file = NULL;
263 p_sys->i_title = p_sys->i_chapter = -1;
264 p_sys->i_mux_rate = 0;
266 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
267 var_Get( p_demux, "dvdread-angle", &val );
268 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
270 DemuxTitles( p_demux, &p_sys->i_angle );
271 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
274 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
279 /* Update default_pts to a suitable value for dvdread access */
280 var_Create( p_demux, "dvdread-caching",
281 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
286 /*****************************************************************************
288 *****************************************************************************/
289 static void Close( vlc_object_t *p_this )
291 demux_t *p_demux = (demux_t*)p_this;
292 demux_sys_t *p_sys = p_demux->p_sys;
295 for( i = 0; i < PS_TK_COUNT; i++ )
297 ps_track_t *tk = &p_sys->tk[i];
300 es_format_Clean( &tk->fmt );
301 if( tk->es ) es_out_Del( p_demux->out, tk->es );
305 /* Close libdvdread */
306 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
307 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
308 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
309 DVDClose( p_sys->p_dvdread );
314 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
316 /* Macro to convert Binary Coded Decimal to Decimal */
317 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
320 int64_t i_micro_second = 0;
322 if (still_time == 0 || still_time == 0xFF)
324 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
325 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
326 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
328 switch((dtime->frame_u & 0xc0) >> 6)
340 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
341 i_micro_second += (int64_t)(f_ms * 1000.0);
345 i_micro_second = still_time;
346 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
349 return i_micro_second;
352 /*****************************************************************************
354 *****************************************************************************/
355 static int Control( demux_t *p_demux, int i_query, va_list args )
357 demux_sys_t *p_sys = p_demux->p_sys;
361 input_title_t ***ppp_title;
367 case DEMUX_GET_POSITION:
369 pf = (double*) va_arg( args, double* );
371 if( p_sys->i_title_blocks > 0 )
372 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
378 case DEMUX_SET_POSITION:
380 f = (double)va_arg( args, double );
382 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
387 pi64 = (int64_t*)va_arg( args, int64_t * );
388 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
390 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
391 p_sys->i_title_blocks * p_sys->i_title_offset;
397 case DEMUX_GET_LENGTH:
398 pi64 = (int64_t*)va_arg( args, int64_t * );
399 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
401 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
407 /* Special for access_demux */
408 case DEMUX_CAN_PAUSE:
409 case DEMUX_CAN_CONTROL_PACE:
411 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
415 case DEMUX_SET_PAUSE_STATE:
418 case DEMUX_GET_TITLE_INFO:
419 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
420 pi_int = (int*)va_arg( args, int* );
421 *((int*)va_arg( args, int* )) = 1; /* Title offset */
422 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
424 /* Duplicate title infos */
425 *pi_int = p_sys->i_titles;
426 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
427 for( i = 0; i < p_sys->i_titles; i++ )
429 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
433 case DEMUX_SET_TITLE:
434 i = (int)va_arg( args, int );
435 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
437 msg_Warn( p_demux, "cannot set title/chapter" );
440 p_demux->info.i_update |=
441 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
442 p_demux->info.i_title = i;
443 p_demux->info.i_seekpoint = 0;
446 case DEMUX_SET_SEEKPOINT:
447 i = (int)va_arg( args, int );
448 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
450 msg_Warn( p_demux, "cannot set title/chapter" );
453 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
454 p_demux->info.i_seekpoint = i;
457 case DEMUX_GET_PTS_DELAY:
458 pi64 = (int64_t*)va_arg( args, int64_t * );
459 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
462 /* TODO implement others */
468 /*****************************************************************************
470 *****************************************************************************/
471 static int Demux( demux_t *p_demux )
473 demux_sys_t *p_sys = p_demux->p_sys;
475 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
476 int i_blocks_once, i_read;
480 * Playback by cell in this pgc, starting at the cell for our chapter.
484 * Check end of pack, and select the following one
486 if( !p_sys->i_pack_len )
488 /* Read NAV packet */
489 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
492 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
493 intf_UserWarn( p_demux, _("Playback failure"),
494 _("DVDRead could not read block %d."),
495 p_sys->i_next_vobu );
499 /* Basic check to be sure we don't have a empty title
500 * go to next title if so */
501 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
503 /* Parse the contained dsi packet */
504 DvdReadHandleDSI( p_demux, p_buffer );
507 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
509 if( p_sys->i_title + 1 >= p_sys->i_titles )
514 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
517 if( p_sys->i_pack_len >= 1024 )
519 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
520 "This shouldn't happen!", p_sys->i_pack_len );
524 /* FIXME: Ugly kludge: we send the pack block to the input for it
525 * sometimes has a zero scr and restart the sync */
526 p_sys->i_cur_block++;
527 p_sys->i_title_offset++;
529 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
532 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
534 if( p_sys->i_title + 1 >= p_sys->i_titles )
539 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
545 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
546 p_sys->i_pack_len -= i_blocks_once;
549 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
550 i_blocks_once, p_buffer );
551 if( i_read != i_blocks_once )
553 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
554 i_read, i_blocks_once, p_sys->i_cur_block );
555 intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
556 _("DVDRead could not read %d/%d blocks at 0x%02x."),
557 i_read, i_blocks_once, p_sys->i_cur_block );
561 p_sys->i_cur_block += i_read;
562 p_sys->i_title_offset += i_read;
565 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
566 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
569 for( i = 0; i < i_read; i++ )
571 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
580 /*****************************************************************************
581 * DemuxBlock: demux a given block
582 *****************************************************************************/
583 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
585 demux_sys_t *p_sys = p_demux->p_sys;
588 while( p < &pkt[i_pkt] )
590 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
598 p_pkt = block_New( p_demux, i_size );
599 memcpy( p_pkt->p_buffer, p, i_size);
601 /* Parse it and send it */
602 switch( 0x100 | p[3] )
611 msg_Warn( p_demux, "received a PSM packet" );
613 else if( p[3] == 0xbb )
615 msg_Warn( p_demux, "received a SYSTEM packet" );
618 block_Release( p_pkt );
625 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
627 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
628 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
630 block_Release( p_pkt );
635 int i_id = ps_pkt_id( p_pkt );
638 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
642 ESNew( p_demux, i_id, 0 );
644 if( tk->b_seen && tk->es &&
645 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
647 es_out_Send( p_demux->out, tk->es, p_pkt );
651 block_Release( p_pkt );
656 block_Release( p_pkt );
668 /*****************************************************************************
669 * ESNew: register a new elementary stream
670 *****************************************************************************/
671 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
673 demux_sys_t *p_sys = p_demux->p_sys;
674 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
675 char psz_language[3];
677 if( tk->b_seen ) return;
679 if( ps_track_fill( tk, 0, i_id ) )
681 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
685 psz_language[0] = psz_language[1] = psz_language[2] = 0;
686 if( i_lang && i_lang != 0xffff )
688 psz_language[0] = (i_lang >> 8)&0xff;
689 psz_language[1] = (i_lang )&0xff;
693 if( tk->fmt.i_cat == VIDEO_ES )
695 if( p_sys->i_aspect >= 0 )
697 tk->fmt.video.i_aspect = p_sys->i_aspect;
700 else if( tk->fmt.i_cat == AUDIO_ES )
703 /* find the audio number PLEASE find another way */
704 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
708 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
712 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
716 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
721 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
723 else if( tk->fmt.i_cat == SPU_ES )
726 tk->fmt.subs.spu.palette[0] = 0xBeef;
727 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
728 16 * sizeof( uint32_t ) );
730 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
733 tk->es = es_out_Add( p_demux->out, &tk->fmt );
734 tk->b_seen = VLC_TRUE;
737 /*****************************************************************************
738 * DvdReadSetArea: initialize input data for title x, chapter y.
739 * It should be called for each user navigation request.
740 *****************************************************************************
741 * Take care that i_title and i_chapter start from 0.
742 *****************************************************************************/
743 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
746 demux_sys_t *p_sys = p_demux->p_sys;
747 int pgc_id = 0, pgn = 0;
750 #define p_pgc p_sys->p_cur_pgc
751 #define p_vmg p_sys->p_vmg_file
752 #define p_vts p_sys->p_vts_file
754 if( i_title >= 0 && i_title < p_sys->i_titles &&
755 i_title != p_sys->i_title )
757 int i_start_cell, i_end_cell;
759 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
760 if( p_vts != NULL ) ifoClose( p_vts );
761 p_sys->i_title = i_title;
764 * We have to load all title information
766 msg_Dbg( p_demux, "open VTS %d, for title %d",
767 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
770 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
771 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
773 msg_Err( p_demux, "fatal error in vts ifo" );
777 /* Title position inside the selected vts */
778 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
780 /* Find title start/end */
781 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
782 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
783 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
785 p_sys->i_title_start_cell =
786 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
787 p_sys->i_title_start_block =
788 p_pgc->cell_playback[i_start_cell].first_sector;
790 p_sys->i_title_end_cell =
791 i_end_cell = p_pgc->nr_of_cells - 1;
792 p_sys->i_title_end_block =
793 p_pgc->cell_playback[i_end_cell].last_sector;
795 p_sys->i_title_offset = 0;
797 p_sys->i_title_blocks = 0;
798 for( i = i_start_cell; i <= i_end_cell; i++ )
800 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
801 p_pgc->cell_playback[i].first_sector + 1;
804 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
805 "start %d end %d blocks: %d",
806 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
807 p_sys->i_title_start_block, p_sys->i_title_end_block,
808 p_sys->i_title_blocks );
811 * Set properties for current chapter
813 p_sys->i_chapter = 0;
815 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
817 pgc_id = p_vts->vts_ptt_srpt->title[
818 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
819 pgn = p_vts->vts_ptt_srpt->title[
820 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
822 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
823 p_sys->i_pack_len = 0;
825 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
826 DvdReadFindCell( p_demux );
828 p_sys->i_next_vobu = p_sys->i_cur_block =
829 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
834 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
835 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
838 * We've got enough info, time to open the title set data.
840 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
841 p_vmg->tt_srpt->title[i_title].title_set_nr,
842 DVD_READ_TITLE_VOBS ) ) )
844 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
845 p_vmg->tt_srpt->title[i_title].title_set_nr );
849 //IfoPrintTitle( p_demux );
852 * Destroy obsolete ES by reinitializing program 0
853 * and find all ES in title with ifo data
855 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
857 for( i = 0; i < PS_TK_COUNT; i++ )
859 ps_track_t *tk = &p_sys->tk[i];
862 es_format_Clean( &tk->fmt );
863 if( tk->es ) es_out_Del( p_demux->out, tk->es );
865 tk->b_seen = VLC_FALSE;
868 if( p_demux->info.i_title != i_title )
870 p_demux->info.i_update |=
871 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
872 p_demux->info.i_title = i_title;
873 p_demux->info.i_seekpoint = 0;
876 /* TODO: re-add angles */
879 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
880 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
882 #define audio_control \
883 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
885 /* Audio ES, in the order they appear in the .ifo */
886 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
891 //IfoPrintAudio( p_demux, i );
893 /* Audio channel is active if first byte is 0x80 */
894 if( audio_control & 0x8000 )
896 i_position = ( audio_control & 0x7F00 ) >> 8;
898 msg_Dbg( p_demux, "audio position %d", i_position );
899 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
902 i_id = (0x80 + i_position) | 0xbd00;
905 case 0x03: /* MPEG audio */
906 i_id = 0xc000 + i_position;
908 case 0x04: /* LPCM */
909 i_id = (0xa0 + i_position) | 0xbd00;
912 i_id = (0x88 + i_position) | 0xbd00;
916 msg_Err( p_demux, "unknown audio type %.2x",
917 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
920 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
921 vts_audio_attr[i - 1].lang_code );
926 #define spu_palette \
927 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
929 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
931 #define spu_control \
932 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
935 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
940 //IfoPrintSpu( p_sys, i );
941 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
943 if( spu_control & 0x80000000 )
945 /* there are several streams for one spu */
946 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
949 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
951 case 1: /* letterbox */
952 i_position = spu_control & 0xff;
954 case 2: /* pan&scan */
955 i_position = ( spu_control >> 8 ) & 0xff;
957 default: /* widescreen */
958 i_position = ( spu_control >> 16 ) & 0xff;
965 i_position = ( spu_control >> 24 ) & 0x7F;
968 i_id = (0x20 + i_position) | 0xbd00;
970 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
971 vts_subp_attr[i - 1].lang_code );
977 else if( i_title != -1 && i_title != p_sys->i_title )
980 return VLC_EGENERIC; /* Couldn't set title */
987 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
989 pgc_id = p_vts->vts_ptt_srpt->title[
990 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
991 pgn = p_vts->vts_ptt_srpt->title[
992 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
994 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
996 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
997 p_sys->i_chapter = i_chapter;
998 DvdReadFindCell( p_demux );
1000 p_sys->i_title_offset = 0;
1001 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1003 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1004 p_pgc->cell_playback[i].first_sector + 1;
1007 p_sys->i_pack_len = 0;
1008 p_sys->i_next_vobu = p_sys->i_cur_block =
1009 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1011 if( p_demux->info.i_seekpoint != i_chapter )
1013 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1014 p_demux->info.i_seekpoint = i_chapter;
1017 else if( i_chapter != -1 )
1020 return VLC_EGENERIC; /* Couldn't set chapter */
1030 /*****************************************************************************
1031 * DvdReadSeek : Goes to a given position on the stream.
1032 *****************************************************************************
1033 * This one is used by the input and translate chronological position from
1034 * input to logical position on the device.
1035 *****************************************************************************/
1036 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1038 demux_sys_t *p_sys = p_demux->p_sys;
1045 #define p_pgc p_sys->p_cur_pgc
1046 #define p_vts p_sys->p_vts_file
1049 i_block = i_block_offset;
1050 for( i_cell = p_sys->i_title_start_cell;
1051 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1053 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1054 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1056 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1057 p_pgc->cell_playback[i_cell].first_sector + 1);
1059 if( i_cell > p_sys->i_title_end_cell )
1061 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1064 i_block += p_pgc->cell_playback[i_cell].first_sector;
1065 p_sys->i_title_offset = i_block_offset;
1068 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1070 int pgc_id, pgn, i_tmp;
1072 pgc_id = p_vts->vts_ptt_srpt->title[
1073 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1074 pgn = p_vts->vts_ptt_srpt->title[
1075 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1077 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1079 if( i_tmp > i_cell ) break;
1082 if( i_chapter < p_sys->i_chapters &&
1083 p_demux->info.i_seekpoint != i_chapter )
1085 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1086 p_demux->info.i_seekpoint = i_chapter;
1090 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1096 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1097 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1103 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1104 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1105 i_cell, i_sub_cell, i_chapter, i_vobu,
1106 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1107 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1108 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1111 p_sys->i_cur_block = i_block;
1112 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1113 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1114 p_sys->i_cur_cell = i_cell;
1115 p_sys->i_chapter = i_chapter;
1116 DvdReadFindCell( p_demux );
1124 /*****************************************************************************
1126 *****************************************************************************/
1127 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1129 demux_sys_t *p_sys = p_demux->p_sys;
1131 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1134 * Determine where we go next. These values are the ones we mostly
1137 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1138 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1141 * Store the timecodes so we can get the current time
1143 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1144 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1147 * If we're not at the end of this cell, we can determine the next
1148 * VOBU to display using the VOBU_SRI information section of the
1149 * DSI. Using this value correctly follows the current angle,
1150 * avoiding the doubled scenes in The Matrix, and makes our life
1154 p_sys->i_next_vobu = p_sys->i_cur_block +
1155 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1157 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1158 && p_sys->i_angle > 1 )
1160 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1163 /* Interleaved unit with no angle */
1164 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1166 p_sys->i_next_vobu = p_sys->i_cur_block +
1167 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1168 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1172 p_sys->i_next_vobu = p_sys->i_cur_block +
1173 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1177 /* vobu is end of ilvu */
1178 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1180 p_sys->i_next_vobu = p_sys->i_cur_block +
1181 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1182 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1187 /* vobu is beginning of ilvu */
1191 /* entering interleaved section */
1193 /* non interleaved cells in interleaved section */
1195 p_sys->i_next_vobu = p_sys->i_cur_block +
1196 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1200 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1202 p_sys->i_cur_cell = p_sys->i_next_cell;
1205 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1207 DvdReadFindCell( p_demux );
1209 p_sys->i_next_vobu =
1210 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1212 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 );
1217 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1218 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1219 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1220 p_sys->dsi_pack.dsi_gi.vobu_ea,
1221 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1222 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1223 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1225 msg_Dbg( p_demux, "cell duration: %lld",
1226 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1228 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1229 p_sys->dsi_pack.sml_pbi.category,
1230 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1231 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1232 p_sys->dsi_pack.sml_pbi.size );
1234 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1235 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1236 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1237 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1241 /*****************************************************************************
1243 *****************************************************************************/
1244 static void DvdReadFindCell( demux_t *p_demux )
1246 demux_sys_t *p_sys = p_demux->p_sys;
1252 #define cell p_sys->p_cur_pgc->cell_playback
1254 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1256 p_sys->i_cur_cell += p_sys->i_angle - 1;
1258 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1262 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1266 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1271 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1273 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1274 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1275 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1276 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1277 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1279 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1283 if( p_sys->i_chapter < p_sys->i_chapters &&
1284 p_demux->info.i_seekpoint != p_sys->i_chapter )
1286 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1287 p_demux->info.i_seekpoint = p_sys->i_chapter;
1292 /*****************************************************************************
1293 * DemuxTitles: get the titles/chapters structure
1294 *****************************************************************************/
1295 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1297 demux_sys_t *p_sys = p_demux->p_sys;
1303 /* Find out number of titles/chapters */
1304 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1306 i_titles = tt_srpt->nr_of_srpts;
1307 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1309 for( i = 0; i < i_titles; i++ )
1311 int32_t i_chapters = 0;
1314 i_chapters = tt_srpt->title[i].nr_of_ptts;
1315 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1317 t = vlc_input_title_New();
1319 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1321 s = vlc_seekpoint_New();
1322 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1325 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );