1 /*****************************************************************************
2 * dvdread.c : DvdRead input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
29 #include <stdlib.h> /* malloc(), free() */
30 #include <string.h> /* strdup() */
33 #include <vlc/input.h>
37 #include "../demux/ps.h"
44 #include <sys/types.h>
48 #include <dvdread/dvd_reader.h>
49 #include <dvdread/ifo_types.h>
50 #include <dvdread/ifo_read.h>
51 #include <dvdread/nav_read.h>
52 #include <dvdread/nav_print.h>
54 /*****************************************************************************
56 *****************************************************************************/
57 #define ANGLE_TEXT N_("DVD angle")
58 #define ANGLE_LONGTEXT N_( \
59 "Allows you to select the default DVD angle." )
61 #define CACHING_TEXT N_("Caching value in ms")
62 #define CACHING_LONGTEXT N_( \
63 "Allows you to modify the default caching value for DVDread streams. " \
64 "This value should be set in millisecond units." )
66 #define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
67 #define CSSMETHOD_LONGTEXT N_( \
68 "Set the method used by libdvdcss for key decryption.\n" \
69 "title: decrypted title key is guessed from the encrypted sectors of " \
70 "the stream. Thus it should work with a file as well as the " \
71 "DVD device. But it sometimes takes much time to decrypt a title " \
72 "key and may even fail. With this method, the key is only checked "\
73 "at the beginning of each title, so it won't work if the key " \
74 "changes in the middle of a title.\n" \
75 "disc: the disc key is first cracked, then all title keys can be " \
76 "decrypted instantly, which allows us to check them often.\n" \
77 "key: the same as \"disc\" if you don't have a file with player keys " \
78 "at compilation time. If you do, the decryption of the disc key " \
79 "will be faster with this method. It is the one that was used by " \
81 "The default method is: key.")
83 static char *psz_css_list[] = { "title", "disc", "key" };
84 static char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
86 static int Open ( vlc_object_t * );
87 static void Close( vlc_object_t * );
90 set_shortname( _("DVD without menus") );
91 set_description( _("DVDRead Input (DVD without menu support)") );
92 set_category( CAT_INPUT );
93 set_subcategory( SUBCAT_INPUT_ACCESS );
94 add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
95 ANGLE_LONGTEXT, VLC_FALSE );
96 add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
97 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
98 add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
99 CSSMETHOD_LONGTEXT, VLC_TRUE );
100 change_string_list( psz_css_list, psz_css_list_text, 0 );
101 set_capability( "access_demux", 0 );
102 add_shortcut( "dvd" );
103 add_shortcut( "dvdread" );
104 add_shortcut( "dvdsimple" );
105 set_callbacks( Open, Close );
108 /* how many blocks DVDRead will read in each loop */
109 #define DVD_BLOCK_READ_ONCE 4
111 /*****************************************************************************
113 *****************************************************************************/
118 dvd_reader_t *p_dvdread;
121 ifo_handle_t *p_vmg_file;
122 ifo_handle_t *p_vts_file;
125 int i_chapter, i_chapters;
126 int i_angle, i_angles;
128 tt_srpt_t *p_tt_srpt;
137 /* Current title start/end blocks */
138 int i_title_start_block;
139 int i_title_end_block;
143 int i_title_start_cell;
144 int i_title_end_cell;
149 ps_track_t tk[PS_TK_COUNT];
153 input_title_t **titles;
162 static int Control ( demux_t *, int, va_list );
163 static int Demux ( demux_t * );
164 static int DemuxBlock( demux_t *, uint8_t *, int );
166 static void DemuxTitles( demux_t *, int * );
167 static void ESNew( demux_t *, int, int );
169 static int DvdReadSetArea ( demux_t *, int, int, int );
170 static void DvdReadSeek ( demux_t *, int );
171 static void DvdReadHandleDSI( demux_t *, uint8_t * );
172 static void DvdReadFindCell ( demux_t * );
174 /*****************************************************************************
176 *****************************************************************************/
177 static int Open( vlc_object_t *p_this )
179 demux_t *p_demux = (demux_t*)p_this;
182 char *psz_dvdcss_env;
183 dvd_reader_t *p_dvdread;
184 ifo_handle_t *p_vmg_file;
187 if( !p_demux->psz_path || !*p_demux->psz_path )
189 /* Only when selected */
190 if( !p_this->b_force ) return VLC_EGENERIC;
192 psz_name = var_CreateGetString( p_this, "dvd" );
193 if( !psz_name || !*psz_name )
195 if( psz_name ) free( psz_name );
199 else psz_name = strdup( p_demux->psz_path );
202 if( psz_name[0] && psz_name[1] == ':' &&
203 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
206 /* Override environment variable DVDCSS_METHOD with config option
207 * (FIXME: this creates a small memory leak) */
208 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
209 if( psz_dvdcss_env && *psz_dvdcss_env )
213 psz_env = malloc( strlen("DVDCSS_METHOD=") +
214 strlen( psz_dvdcss_env ) + 1 );
217 free( psz_dvdcss_env );
221 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
225 if( psz_dvdcss_env ) free( psz_dvdcss_env );
228 if( !(p_dvdread = DVDOpen( psz_name )) )
230 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
236 /* Ifo allocation & initialisation */
237 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
239 msg_Warn( p_demux, "cannot open VMG info" );
242 msg_Dbg( p_demux, "VMG opened" );
244 /* Fill p_demux field */
245 p_demux->pf_demux = Demux;
246 p_demux->pf_control = Control;
247 p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
248 memset( p_sys, 0, sizeof( demux_sys_t ) );
250 ps_track_init( p_sys->tk );
251 p_sys->i_aspect = -1;
252 p_sys->i_mux_rate = 0;
254 p_sys->p_dvdread = p_dvdread;
255 p_sys->p_vmg_file = p_vmg_file;
256 p_sys->p_title = NULL;
257 p_sys->p_vts_file = NULL;
259 p_sys->i_title = p_sys->i_chapter = -1;
261 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
262 var_Get( p_demux, "dvdread-angle", &val );
263 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
265 DemuxTitles( p_demux, &p_sys->i_angle );
266 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
269 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
274 /* Update default_pts to a suitable value for dvdread access */
275 var_Create( p_demux, "dvdread-caching",
276 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
281 /*****************************************************************************
283 *****************************************************************************/
284 static void Close( vlc_object_t *p_this )
286 demux_t *p_demux = (demux_t*)p_this;
287 demux_sys_t *p_sys = p_demux->p_sys;
290 for( i = 0; i < PS_TK_COUNT; i++ )
292 ps_track_t *tk = &p_sys->tk[i];
295 es_format_Clean( &tk->fmt );
296 if( tk->es ) es_out_Del( p_demux->out, tk->es );
300 /* Close libdvdread */
301 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
302 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
303 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
304 DVDClose( p_sys->p_dvdread );
309 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
311 /* Macro to convert Binary Coded Decimal to Decimal */
312 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
315 int64_t i_micro_second = 0;
317 if (still_time == 0 || still_time == 0xFF)
319 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
320 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
321 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
323 switch((dtime->frame_u & 0xc0) >> 6)
335 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
336 i_micro_second += (int64_t)(f_ms * 1000.0);
340 i_micro_second = still_time;
341 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
344 return i_micro_second;
347 /*****************************************************************************
349 *****************************************************************************/
350 static int Control( demux_t *p_demux, int i_query, va_list args )
352 demux_sys_t *p_sys = p_demux->p_sys;
356 input_title_t ***ppp_title;
362 case DEMUX_GET_POSITION:
364 pf = (double*) va_arg( args, double* );
366 if( p_sys->i_title_blocks > 0 )
367 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
373 case DEMUX_SET_POSITION:
375 f = (double)va_arg( args, double );
377 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
382 pi64 = (int64_t*)va_arg( args, int64_t * );
383 if( p_sys->i_mux_rate > 0 )
385 *pi64 = (int64_t)1000000 * DVD_VIDEO_LB_LEN *
386 p_sys->i_title_offset / 50 / p_sys->i_mux_rate;
392 case DEMUX_GET_LENGTH:
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 = dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
397 p_sys->i_mux_rate = p_sys->i_title_blocks * DVD_VIDEO_LB_LEN / (*pi64 / 20000);
403 /* Special for access_demux */
404 case DEMUX_CAN_PAUSE:
405 case DEMUX_CAN_CONTROL_PACE:
407 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
411 case DEMUX_SET_PAUSE_STATE:
414 case DEMUX_GET_TITLE_INFO:
415 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
416 pi_int = (int*)va_arg( args, int* );
417 *((int*)va_arg( args, int* )) = 1; /* Title offset */
418 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
420 /* Duplicate title infos */
421 *pi_int = p_sys->i_titles;
422 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
423 for( i = 0; i < p_sys->i_titles; i++ )
425 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
429 case DEMUX_SET_TITLE:
430 i = (int)va_arg( args, int );
431 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
433 msg_Warn( p_demux, "cannot set title/chapter" );
436 p_demux->info.i_update |=
437 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
438 p_demux->info.i_title = i;
439 p_demux->info.i_seekpoint = 0;
442 case DEMUX_SET_SEEKPOINT:
443 i = (int)va_arg( args, int );
444 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
446 msg_Warn( p_demux, "cannot set title/chapter" );
449 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
450 p_demux->info.i_seekpoint = i;
453 case DEMUX_GET_PTS_DELAY:
454 pi64 = (int64_t*)va_arg( args, int64_t * );
455 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
458 /* TODO implement others */
464 /*****************************************************************************
466 *****************************************************************************/
467 static int Demux( demux_t *p_demux )
469 demux_sys_t *p_sys = p_demux->p_sys;
471 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
472 int i_blocks_once, i_read;
476 * Playback by cell in this pgc, starting at the cell for our chapter.
480 * Check end of pack, and select the following one
482 if( !p_sys->i_pack_len )
484 /* Read NAV packet */
485 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
488 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
492 /* Basic check to be sure we don't have a empty title
493 * go to next title if so */
494 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
496 /* Parse the contained dsi packet */
497 DvdReadHandleDSI( p_demux, p_buffer );
500 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
502 if( p_sys->i_title + 1 >= p_sys->i_titles )
507 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
510 if( p_sys->i_pack_len >= 1024 )
512 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
513 "This shouldn't happen!", p_sys->i_pack_len );
517 /* FIXME: Ugly kludge: we send the pack block to the input for it
518 * sometimes has a zero scr and restart the sync */
519 p_sys->i_cur_block++;
520 p_sys->i_title_offset++;
522 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
525 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
527 if( p_sys->i_title + 1 >= p_sys->i_titles )
532 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
538 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
539 p_sys->i_pack_len -= i_blocks_once;
542 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
543 i_blocks_once, p_buffer );
544 if( i_read != i_blocks_once )
546 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
547 i_read, i_blocks_once, p_sys->i_cur_block );
551 p_sys->i_cur_block += i_read;
552 p_sys->i_title_offset += i_read;
555 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
556 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
559 for( i = 0; i < i_read; i++ )
561 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
570 /*****************************************************************************
571 * DemuxBlock: demux a given block
572 *****************************************************************************/
573 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
575 demux_sys_t *p_sys = p_demux->p_sys;
578 while( p < &pkt[i_pkt] )
580 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
588 p_pkt = block_New( p_demux, i_size );
589 memcpy( p_pkt->p_buffer, p, i_size);
591 /* Parse it and send it */
592 switch( 0x100 | p[3] )
601 msg_Warn( p_demux, "received a PSM packet" );
603 else if( p[3] == 0xbb )
605 msg_Warn( p_demux, "received a SYSTEM packet" );
608 block_Release( p_pkt );
615 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
617 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
618 /* if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;*/
620 block_Release( p_pkt );
625 int i_id = ps_pkt_id( p_pkt );
628 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
632 ESNew( p_demux, i_id, 0 );
634 if( tk->b_seen && tk->es &&
635 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
637 es_out_Send( p_demux->out, tk->es, p_pkt );
641 block_Release( p_pkt );
646 block_Release( p_pkt );
658 /*****************************************************************************
659 * ESNew: register a new elementary stream
660 *****************************************************************************/
661 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
663 demux_sys_t *p_sys = p_demux->p_sys;
664 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
665 char psz_language[3];
667 if( tk->b_seen ) return;
669 if( ps_track_fill( tk, 0, i_id ) )
671 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
675 psz_language[0] = psz_language[1] = psz_language[2] = 0;
676 if( i_lang && i_lang != 0xffff )
678 psz_language[0] = (i_lang >> 8)&0xff;
679 psz_language[1] = (i_lang )&0xff;
683 if( tk->fmt.i_cat == VIDEO_ES )
685 if( p_sys->i_aspect >= 0 )
687 tk->fmt.video.i_aspect = p_sys->i_aspect;
690 else if( tk->fmt.i_cat == AUDIO_ES )
693 /* find the audio number PLEASE find another way */
694 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
698 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
702 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
706 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
711 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
713 else if( tk->fmt.i_cat == SPU_ES )
716 tk->fmt.subs.spu.palette[0] = 0xBeef;
717 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
718 16 * sizeof( uint32_t ) );
720 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
723 tk->es = es_out_Add( p_demux->out, &tk->fmt );
724 tk->b_seen = VLC_TRUE;
727 /*****************************************************************************
728 * DvdReadSetArea: initialize input data for title x, chapter y.
729 * It should be called for each user navigation request.
730 *****************************************************************************
731 * Take care that i_title and i_chapter start from 0.
732 *****************************************************************************/
733 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
736 demux_sys_t *p_sys = p_demux->p_sys;
737 int pgc_id = 0, pgn = 0;
740 #define p_pgc p_sys->p_cur_pgc
741 #define p_vmg p_sys->p_vmg_file
742 #define p_vts p_sys->p_vts_file
744 if( i_title >= 0 && i_title < p_sys->i_titles &&
745 i_title != p_sys->i_title )
747 int i_start_cell, i_end_cell;
749 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
750 if( p_vts != NULL ) ifoClose( p_vts );
751 p_sys->i_title = i_title;
754 * We have to load all title information
756 msg_Dbg( p_demux, "open VTS %d, for title %d",
757 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
760 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
761 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
763 msg_Err( p_demux, "fatal error in vts ifo" );
767 /* Title position inside the selected vts */
768 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
770 /* Find title start/end */
771 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
772 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
773 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
775 p_sys->i_title_start_cell =
776 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
777 p_sys->i_title_start_block =
778 p_pgc->cell_playback[i_start_cell].first_sector;
780 p_sys->i_title_end_cell =
781 i_end_cell = p_pgc->nr_of_cells - 1;
782 p_sys->i_title_end_block =
783 p_pgc->cell_playback[i_end_cell].last_sector;
785 p_sys->i_title_offset = 0;
787 p_sys->i_title_blocks = 0;
788 for( i = i_start_cell; i <= i_end_cell; i++ )
790 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
791 p_pgc->cell_playback[i].first_sector + 1;
794 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
795 "start %d end %d blocks: %d",
796 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
797 p_sys->i_title_start_block, p_sys->i_title_end_block,
798 p_sys->i_title_blocks );
801 * Set properties for current chapter
803 p_sys->i_chapter = 0;
805 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
807 pgc_id = p_vts->vts_ptt_srpt->title[
808 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
809 pgn = p_vts->vts_ptt_srpt->title[
810 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
812 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
813 p_sys->i_pack_len = 0;
815 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
816 DvdReadFindCell( p_demux );
818 p_sys->i_next_vobu = p_sys->i_cur_block =
819 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
824 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
825 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
828 * We've got enough info, time to open the title set data.
830 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
831 p_vmg->tt_srpt->title[i_title].title_set_nr,
832 DVD_READ_TITLE_VOBS ) ) )
834 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
835 p_vmg->tt_srpt->title[i_title].title_set_nr );
839 //IfoPrintTitle( p_demux );
842 * Destroy obsolete ES by reinitializing program 0
843 * and find all ES in title with ifo data
845 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
847 for( i = 0; i < PS_TK_COUNT; i++ )
849 ps_track_t *tk = &p_sys->tk[i];
852 es_format_Clean( &tk->fmt );
853 if( tk->es ) es_out_Del( p_demux->out, tk->es );
855 tk->b_seen = VLC_FALSE;
858 if( p_demux->info.i_title != i_title )
860 p_demux->info.i_update |=
861 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
862 p_demux->info.i_title = i_title;
863 p_demux->info.i_seekpoint = 0;
866 /* TODO: re-add angles */
869 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
870 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
872 #define audio_control \
873 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
875 /* Audio ES, in the order they appear in the .ifo */
876 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
881 //IfoPrintAudio( p_demux, i );
883 /* Audio channel is active if first byte is 0x80 */
884 if( audio_control & 0x8000 )
886 i_position = ( audio_control & 0x7F00 ) >> 8;
888 msg_Dbg( p_demux, "audio position %d", i_position );
889 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
892 i_id = (0x80 + i_position) | 0xbd00;
895 case 0x03: /* MPEG audio */
896 i_id = 0xc000 + i_position;
898 case 0x04: /* LPCM */
899 i_id = (0xa0 + i_position) | 0xbd00;
902 i_id = (0x88 + i_position) | 0xbd00;
906 msg_Err( p_demux, "unknown audio type %.2x",
907 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
910 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
911 vts_audio_attr[i - 1].lang_code );
916 #define spu_palette \
917 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
919 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
921 #define spu_control \
922 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
925 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
930 //IfoPrintSpu( p_sys, i );
931 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
933 if( spu_control & 0x80000000 )
935 /* there are several streams for one spu */
936 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
939 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
941 case 1: /* letterbox */
942 i_position = spu_control & 0xff;
944 case 2: /* pan&scan */
945 i_position = ( spu_control >> 8 ) & 0xff;
947 default: /* widescreen */
948 i_position = ( spu_control >> 16 ) & 0xff;
955 i_position = ( spu_control >> 24 ) & 0x7F;
958 i_id = (0x20 + i_position) | 0xbd00;
960 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
961 vts_subp_attr[i - 1].lang_code );
967 else if( i_title != -1 && i_title != p_sys->i_title )
970 return VLC_EGENERIC; /* Couldn't set title */
977 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
979 pgc_id = p_vts->vts_ptt_srpt->title[
980 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
981 pgn = p_vts->vts_ptt_srpt->title[
982 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
984 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
986 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
987 p_sys->i_chapter = i_chapter;
988 DvdReadFindCell( p_demux );
990 p_sys->i_title_offset = 0;
991 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
993 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
994 p_pgc->cell_playback[i].first_sector + 1;
997 p_sys->i_pack_len = 0;
998 p_sys->i_next_vobu = p_sys->i_cur_block =
999 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1001 if( p_demux->info.i_seekpoint != i_chapter )
1003 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1004 p_demux->info.i_seekpoint = i_chapter;
1007 else if( i_chapter != -1 )
1010 return VLC_EGENERIC; /* Couldn't set chapter */
1020 /*****************************************************************************
1021 * DvdReadSeek : Goes to a given position on the stream.
1022 *****************************************************************************
1023 * This one is used by the input and translate chronological position from
1024 * input to logical position on the device.
1025 *****************************************************************************/
1026 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1028 demux_sys_t *p_sys = p_demux->p_sys;
1035 #define p_pgc p_sys->p_cur_pgc
1036 #define p_vts p_sys->p_vts_file
1039 i_block = i_block_offset;
1040 for( i_cell = p_sys->i_title_start_cell;
1041 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1043 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1044 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1046 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1047 p_pgc->cell_playback[i_cell].first_sector + 1);
1049 if( i_cell > p_sys->i_title_end_cell )
1051 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1054 i_block += p_pgc->cell_playback[i_cell].first_sector;
1055 p_sys->i_title_offset = i_block_offset;
1058 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1060 int pgc_id, pgn, i_tmp;
1062 pgc_id = p_vts->vts_ptt_srpt->title[
1063 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1064 pgn = p_vts->vts_ptt_srpt->title[
1065 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1067 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1069 if( i_tmp > i_cell ) break;
1072 if( i_chapter < p_sys->i_chapters &&
1073 p_demux->info.i_seekpoint != i_chapter )
1075 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1076 p_demux->info.i_seekpoint = i_chapter;
1080 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1086 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1087 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1093 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1094 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1095 i_cell, i_sub_cell, i_chapter, i_vobu,
1096 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1097 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1098 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1101 p_sys->i_cur_block = i_block;
1102 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1103 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1104 p_sys->i_cur_cell = i_cell;
1105 p_sys->i_chapter = i_chapter;
1106 DvdReadFindCell( p_demux );
1114 /*****************************************************************************
1116 *****************************************************************************/
1117 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1119 demux_sys_t *p_sys = p_demux->p_sys;
1121 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1124 * Determine where we go next. These values are the ones we mostly
1127 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1128 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1131 * If we're not at the end of this cell, we can determine the next
1132 * VOBU to display using the VOBU_SRI information section of the
1133 * DSI. Using this value correctly follows the current angle,
1134 * avoiding the doubled scenes in The Matrix, and makes our life
1138 p_sys->i_next_vobu = p_sys->i_cur_block +
1139 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1141 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1142 && p_sys->i_angle > 1 )
1144 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1147 /* Interleaved unit with no angle */
1148 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1150 p_sys->i_next_vobu = p_sys->i_cur_block +
1151 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1152 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1156 p_sys->i_next_vobu = p_sys->i_cur_block +
1157 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1161 /* vobu is end of ilvu */
1162 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1164 p_sys->i_next_vobu = p_sys->i_cur_block +
1165 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1166 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1171 /* vobu is beginning of ilvu */
1175 /* entering interleaved section */
1177 /* non interleaved cells in interleaved section */
1179 p_sys->i_next_vobu = p_sys->i_cur_block +
1180 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1184 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1186 p_sys->i_cur_cell = p_sys->i_next_cell;
1189 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1191 DvdReadFindCell( p_demux );
1193 p_sys->i_next_vobu =
1194 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1198 msg_Dbg( p_demux, 12, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d",
1199 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1200 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1201 p_sys->dsi_pack.dsi_gi.vobu_ea,
1202 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1203 p_sys->dsi_pack.dsi_gi.vobu_c_idn );
1205 msg_Dbg( p_demux, 12, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1206 p_sys->dsi_pack.sml_pbi.category,
1207 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1208 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1209 p_sys->dsi_pack.sml_pbi.size );
1211 msg_Dbg( p_demux, 12, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1212 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1213 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1214 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1218 /*****************************************************************************
1220 *****************************************************************************/
1221 static void DvdReadFindCell( demux_t *p_demux )
1223 demux_sys_t *p_sys = p_demux->p_sys;
1229 #define cell p_sys->p_cur_pgc->cell_playback
1231 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1233 p_sys->i_cur_cell += p_sys->i_angle - 1;
1235 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1239 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1243 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1248 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1250 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1251 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1252 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1253 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1254 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1256 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1260 if( p_sys->i_chapter < p_sys->i_chapters &&
1261 p_demux->info.i_seekpoint != p_sys->i_chapter )
1263 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1264 p_demux->info.i_seekpoint = p_sys->i_chapter;
1269 /*****************************************************************************
1270 * DemuxTitles: get the titles/chapters structure
1271 *****************************************************************************/
1272 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1274 demux_sys_t *p_sys = p_demux->p_sys;
1280 /* Find out number of titles/chapters */
1281 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1283 i_titles = tt_srpt->nr_of_srpts;
1284 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1286 for( i = 0; i < i_titles; i++ )
1288 int32_t i_chapters = 0;
1291 i_chapters = tt_srpt->title[i].nr_of_ptts;
1292 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1294 t = vlc_input_title_New();
1296 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1298 s = vlc_seekpoint_New();
1299 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1302 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );