1 /*****************************************************************************
2 * dvdread.c : DvdRead input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2004 the VideoLAN team
7 * Authors: St�hane 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/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 "Default caching value for DVDs. " \
64 "This value should be set in milliseconds." )
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;
139 /* Current title start/end blocks */
140 int i_title_start_block;
141 int i_title_end_block;
144 mtime_t i_title_cur_time;
146 int i_title_start_cell;
147 int i_title_end_cell;
150 mtime_t i_cell_cur_time;
151 mtime_t i_cell_duration;
154 ps_track_t tk[PS_TK_COUNT];
157 input_title_t **titles;
166 static int Control ( demux_t *, int, va_list );
167 static int Demux ( demux_t * );
168 static int DemuxBlock( demux_t *, uint8_t *, int );
170 static void DemuxTitles( demux_t *, int * );
171 static void ESNew( demux_t *, int, int );
173 static int DvdReadSetArea ( demux_t *, int, int, int );
174 static void DvdReadSeek ( demux_t *, int );
175 static void DvdReadHandleDSI( demux_t *, uint8_t * );
176 static void DvdReadFindCell ( demux_t * );
178 /*****************************************************************************
180 *****************************************************************************/
181 static int Open( vlc_object_t *p_this )
183 demux_t *p_demux = (demux_t*)p_this;
186 char *psz_dvdcss_env;
187 dvd_reader_t *p_dvdread;
188 ifo_handle_t *p_vmg_file;
191 if( !p_demux->psz_path || !*p_demux->psz_path )
193 /* Only when selected */
194 if( !p_this->b_force ) return VLC_EGENERIC;
196 psz_name = var_CreateGetString( p_this, "dvd" );
199 psz_name = strdup("");
203 psz_name = strdup( p_demux->psz_path );
206 if( psz_name[0] && psz_name[1] == ':' &&
207 psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
210 /* Override environment variable DVDCSS_METHOD with config option
211 * (FIXME: this creates a small memory leak) */
212 psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
213 if( psz_dvdcss_env && *psz_dvdcss_env )
217 psz_env = malloc( strlen("DVDCSS_METHOD=") +
218 strlen( psz_dvdcss_env ) + 1 );
221 free( psz_dvdcss_env );
225 sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
229 if( psz_dvdcss_env ) free( psz_dvdcss_env );
232 if( !(p_dvdread = DVDOpen( psz_name )) )
234 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
240 /* Ifo allocation & initialisation */
241 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
243 msg_Warn( p_demux, "cannot open VMG info" );
246 msg_Dbg( p_demux, "VMG opened" );
248 /* Fill p_demux field */
249 p_demux->pf_demux = Demux;
250 p_demux->pf_control = Control;
251 p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
252 memset( p_sys, 0, sizeof( demux_sys_t ) );
254 ps_track_init( p_sys->tk );
255 p_sys->i_aspect = -1;
256 p_sys->i_title_cur_time = (mtime_t) 0;
257 p_sys->i_cell_cur_time = (mtime_t) 0;
258 p_sys->i_cell_duration = (mtime_t) 0;
260 p_sys->p_dvdread = p_dvdread;
261 p_sys->p_vmg_file = p_vmg_file;
262 p_sys->p_title = NULL;
263 p_sys->p_vts_file = NULL;
265 p_sys->i_title = p_sys->i_chapter = -1;
266 p_sys->i_mux_rate = 0;
268 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
269 var_Get( p_demux, "dvdread-angle", &val );
270 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
272 DemuxTitles( p_demux, &p_sys->i_angle );
273 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
276 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
281 /* Update default_pts to a suitable value for dvdread access */
282 var_Create( p_demux, "dvdread-caching",
283 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
288 /*****************************************************************************
290 *****************************************************************************/
291 static void Close( vlc_object_t *p_this )
293 demux_t *p_demux = (demux_t*)p_this;
294 demux_sys_t *p_sys = p_demux->p_sys;
297 for( i = 0; i < PS_TK_COUNT; i++ )
299 ps_track_t *tk = &p_sys->tk[i];
302 es_format_Clean( &tk->fmt );
303 if( tk->es ) es_out_Del( p_demux->out, tk->es );
307 /* Close libdvdread */
308 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
309 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
310 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
311 DVDClose( p_sys->p_dvdread );
316 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
318 /* Macro to convert Binary Coded Decimal to Decimal */
319 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
322 int64_t i_micro_second = 0;
324 if (still_time == 0 || still_time == 0xFF)
326 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
327 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
328 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
330 switch((dtime->frame_u & 0xc0) >> 6)
342 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
343 i_micro_second += (int64_t)(f_ms * 1000.0);
347 i_micro_second = still_time;
348 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
351 return i_micro_second;
354 /*****************************************************************************
356 *****************************************************************************/
357 static int Control( demux_t *p_demux, int i_query, va_list args )
359 demux_sys_t *p_sys = p_demux->p_sys;
363 input_title_t ***ppp_title;
369 case DEMUX_GET_POSITION:
371 pf = (double*) va_arg( args, double* );
373 if( p_sys->i_title_blocks > 0 )
374 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
380 case DEMUX_SET_POSITION:
382 f = (double)va_arg( args, double );
384 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
389 pi64 = (int64_t*)va_arg( args, int64_t * );
390 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
392 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
393 p_sys->i_title_blocks * p_sys->i_title_offset;
399 case DEMUX_GET_LENGTH:
400 pi64 = (int64_t*)va_arg( args, int64_t * );
401 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
403 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
409 /* Special for access_demux */
410 case DEMUX_CAN_PAUSE:
411 case DEMUX_CAN_CONTROL_PACE:
413 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
417 case DEMUX_SET_PAUSE_STATE:
420 case DEMUX_GET_TITLE_INFO:
421 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
422 pi_int = (int*)va_arg( args, int* );
423 *((int*)va_arg( args, int* )) = 1; /* Title offset */
424 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
426 /* Duplicate title infos */
427 *pi_int = p_sys->i_titles;
428 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
429 for( i = 0; i < p_sys->i_titles; i++ )
431 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
435 case DEMUX_SET_TITLE:
436 i = (int)va_arg( args, int );
437 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
439 msg_Warn( p_demux, "cannot set title/chapter" );
442 p_demux->info.i_update |=
443 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
444 p_demux->info.i_title = i;
445 p_demux->info.i_seekpoint = 0;
448 case DEMUX_SET_SEEKPOINT:
449 i = (int)va_arg( args, int );
450 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
452 msg_Warn( p_demux, "cannot set title/chapter" );
455 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
456 p_demux->info.i_seekpoint = i;
459 case DEMUX_GET_PTS_DELAY:
460 pi64 = (int64_t*)va_arg( args, int64_t * );
461 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
464 /* TODO implement others */
470 /*****************************************************************************
472 *****************************************************************************/
473 static int Demux( demux_t *p_demux )
475 demux_sys_t *p_sys = p_demux->p_sys;
477 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
478 int i_blocks_once, i_read;
482 * Playback by cell in this pgc, starting at the cell for our chapter.
486 * Check end of pack, and select the following one
488 if( !p_sys->i_pack_len )
490 /* Read NAV packet */
491 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
494 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
498 /* Basic check to be sure we don't have a empty title
499 * go to next title if so */
500 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
502 /* Parse the contained dsi packet */
503 DvdReadHandleDSI( p_demux, p_buffer );
506 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
508 if( p_sys->i_title + 1 >= p_sys->i_titles )
513 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
516 if( p_sys->i_pack_len >= 1024 )
518 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
519 "This shouldn't happen!", p_sys->i_pack_len );
523 /* FIXME: Ugly kludge: we send the pack block to the input for it
524 * sometimes has a zero scr and restart the sync */
525 p_sys->i_cur_block++;
526 p_sys->i_title_offset++;
528 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
531 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
533 if( p_sys->i_title + 1 >= p_sys->i_titles )
538 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
544 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
545 p_sys->i_pack_len -= i_blocks_once;
548 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
549 i_blocks_once, p_buffer );
550 if( i_read != i_blocks_once )
552 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
553 i_read, i_blocks_once, p_sys->i_cur_block );
557 p_sys->i_cur_block += i_read;
558 p_sys->i_title_offset += i_read;
561 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
562 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
565 for( i = 0; i < i_read; i++ )
567 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
576 /*****************************************************************************
577 * DemuxBlock: demux a given block
578 *****************************************************************************/
579 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
581 demux_sys_t *p_sys = p_demux->p_sys;
584 while( p < &pkt[i_pkt] )
586 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
594 p_pkt = block_New( p_demux, i_size );
595 memcpy( p_pkt->p_buffer, p, i_size);
597 /* Parse it and send it */
598 switch( 0x100 | p[3] )
607 msg_Warn( p_demux, "received a PSM packet" );
609 else if( p[3] == 0xbb )
611 msg_Warn( p_demux, "received a SYSTEM packet" );
614 block_Release( p_pkt );
621 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
623 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
624 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
626 block_Release( p_pkt );
631 int i_id = ps_pkt_id( p_pkt );
634 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
638 ESNew( p_demux, i_id, 0 );
640 if( tk->b_seen && tk->es &&
641 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
643 es_out_Send( p_demux->out, tk->es, p_pkt );
647 block_Release( p_pkt );
652 block_Release( p_pkt );
664 /*****************************************************************************
665 * ESNew: register a new elementary stream
666 *****************************************************************************/
667 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
669 demux_sys_t *p_sys = p_demux->p_sys;
670 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
671 char psz_language[3];
673 if( tk->b_seen ) return;
675 if( ps_track_fill( tk, 0, i_id ) )
677 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
681 psz_language[0] = psz_language[1] = psz_language[2] = 0;
682 if( i_lang && i_lang != 0xffff )
684 psz_language[0] = (i_lang >> 8)&0xff;
685 psz_language[1] = (i_lang )&0xff;
689 if( tk->fmt.i_cat == VIDEO_ES )
691 if( p_sys->i_aspect >= 0 )
693 tk->fmt.video.i_aspect = p_sys->i_aspect;
696 else if( tk->fmt.i_cat == AUDIO_ES )
699 /* find the audio number PLEASE find another way */
700 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
704 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
708 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
712 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
717 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
719 else if( tk->fmt.i_cat == SPU_ES )
722 tk->fmt.subs.spu.palette[0] = 0xBeef;
723 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
724 16 * sizeof( uint32_t ) );
726 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
729 tk->es = es_out_Add( p_demux->out, &tk->fmt );
730 tk->b_seen = VLC_TRUE;
733 /*****************************************************************************
734 * DvdReadSetArea: initialize input data for title x, chapter y.
735 * It should be called for each user navigation request.
736 *****************************************************************************
737 * Take care that i_title and i_chapter start from 0.
738 *****************************************************************************/
739 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
742 demux_sys_t *p_sys = p_demux->p_sys;
743 int pgc_id = 0, pgn = 0;
746 #define p_pgc p_sys->p_cur_pgc
747 #define p_vmg p_sys->p_vmg_file
748 #define p_vts p_sys->p_vts_file
750 if( i_title >= 0 && i_title < p_sys->i_titles &&
751 i_title != p_sys->i_title )
753 int i_start_cell, i_end_cell;
755 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
756 if( p_vts != NULL ) ifoClose( p_vts );
757 p_sys->i_title = i_title;
760 * We have to load all title information
762 msg_Dbg( p_demux, "open VTS %d, for title %d",
763 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
766 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
767 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
769 msg_Err( p_demux, "fatal error in vts ifo" );
773 /* Title position inside the selected vts */
774 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
776 /* Find title start/end */
777 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
778 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
779 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
781 p_sys->i_title_start_cell =
782 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
783 p_sys->i_title_start_block =
784 p_pgc->cell_playback[i_start_cell].first_sector;
786 p_sys->i_title_end_cell =
787 i_end_cell = p_pgc->nr_of_cells - 1;
788 p_sys->i_title_end_block =
789 p_pgc->cell_playback[i_end_cell].last_sector;
791 p_sys->i_title_offset = 0;
793 p_sys->i_title_blocks = 0;
794 for( i = i_start_cell; i <= i_end_cell; i++ )
796 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
797 p_pgc->cell_playback[i].first_sector + 1;
800 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
801 "start %d end %d blocks: %d",
802 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
803 p_sys->i_title_start_block, p_sys->i_title_end_block,
804 p_sys->i_title_blocks );
807 * Set properties for current chapter
809 p_sys->i_chapter = 0;
811 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
813 pgc_id = p_vts->vts_ptt_srpt->title[
814 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
815 pgn = p_vts->vts_ptt_srpt->title[
816 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
818 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
819 p_sys->i_pack_len = 0;
821 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
822 DvdReadFindCell( p_demux );
824 p_sys->i_next_vobu = p_sys->i_cur_block =
825 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
830 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
831 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
834 * We've got enough info, time to open the title set data.
836 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
837 p_vmg->tt_srpt->title[i_title].title_set_nr,
838 DVD_READ_TITLE_VOBS ) ) )
840 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
841 p_vmg->tt_srpt->title[i_title].title_set_nr );
845 //IfoPrintTitle( p_demux );
848 * Destroy obsolete ES by reinitializing program 0
849 * and find all ES in title with ifo data
851 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
853 for( i = 0; i < PS_TK_COUNT; i++ )
855 ps_track_t *tk = &p_sys->tk[i];
858 es_format_Clean( &tk->fmt );
859 if( tk->es ) es_out_Del( p_demux->out, tk->es );
861 tk->b_seen = VLC_FALSE;
864 if( p_demux->info.i_title != i_title )
866 p_demux->info.i_update |=
867 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
868 p_demux->info.i_title = i_title;
869 p_demux->info.i_seekpoint = 0;
872 /* TODO: re-add angles */
875 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
876 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
878 #define audio_control \
879 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
881 /* Audio ES, in the order they appear in the .ifo */
882 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
887 //IfoPrintAudio( p_demux, i );
889 /* Audio channel is active if first byte is 0x80 */
890 if( audio_control & 0x8000 )
892 i_position = ( audio_control & 0x7F00 ) >> 8;
894 msg_Dbg( p_demux, "audio position %d", i_position );
895 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
898 i_id = (0x80 + i_position) | 0xbd00;
901 case 0x03: /* MPEG audio */
902 i_id = 0xc000 + i_position;
904 case 0x04: /* LPCM */
905 i_id = (0xa0 + i_position) | 0xbd00;
908 i_id = (0x88 + i_position) | 0xbd00;
912 msg_Err( p_demux, "unknown audio type %.2x",
913 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
916 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
917 vts_audio_attr[i - 1].lang_code );
922 #define spu_palette \
923 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
925 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
927 #define spu_control \
928 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
931 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
936 //IfoPrintSpu( p_sys, i );
937 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
939 if( spu_control & 0x80000000 )
941 /* there are several streams for one spu */
942 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
945 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
947 case 1: /* letterbox */
948 i_position = spu_control & 0xff;
950 case 2: /* pan&scan */
951 i_position = ( spu_control >> 8 ) & 0xff;
953 default: /* widescreen */
954 i_position = ( spu_control >> 16 ) & 0xff;
961 i_position = ( spu_control >> 24 ) & 0x7F;
964 i_id = (0x20 + i_position) | 0xbd00;
966 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
967 vts_subp_attr[i - 1].lang_code );
973 else if( i_title != -1 && i_title != p_sys->i_title )
976 return VLC_EGENERIC; /* Couldn't set title */
983 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
985 pgc_id = p_vts->vts_ptt_srpt->title[
986 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
987 pgn = p_vts->vts_ptt_srpt->title[
988 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
990 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
992 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
993 p_sys->i_chapter = i_chapter;
994 DvdReadFindCell( p_demux );
996 p_sys->i_title_offset = 0;
997 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
999 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1000 p_pgc->cell_playback[i].first_sector + 1;
1003 p_sys->i_pack_len = 0;
1004 p_sys->i_next_vobu = p_sys->i_cur_block =
1005 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1007 if( p_demux->info.i_seekpoint != i_chapter )
1009 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1010 p_demux->info.i_seekpoint = i_chapter;
1013 else if( i_chapter != -1 )
1016 return VLC_EGENERIC; /* Couldn't set chapter */
1026 /*****************************************************************************
1027 * DvdReadSeek : Goes to a given position on the stream.
1028 *****************************************************************************
1029 * This one is used by the input and translate chronological position from
1030 * input to logical position on the device.
1031 *****************************************************************************/
1032 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1034 demux_sys_t *p_sys = p_demux->p_sys;
1041 #define p_pgc p_sys->p_cur_pgc
1042 #define p_vts p_sys->p_vts_file
1045 i_block = i_block_offset;
1046 for( i_cell = p_sys->i_title_start_cell;
1047 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1049 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1050 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1052 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1053 p_pgc->cell_playback[i_cell].first_sector + 1);
1055 if( i_cell > p_sys->i_title_end_cell )
1057 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1060 i_block += p_pgc->cell_playback[i_cell].first_sector;
1061 p_sys->i_title_offset = i_block_offset;
1064 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1066 int pgc_id, pgn, i_tmp;
1068 pgc_id = p_vts->vts_ptt_srpt->title[
1069 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1070 pgn = p_vts->vts_ptt_srpt->title[
1071 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1073 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1075 if( i_tmp > i_cell ) break;
1078 if( i_chapter < p_sys->i_chapters &&
1079 p_demux->info.i_seekpoint != i_chapter )
1081 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1082 p_demux->info.i_seekpoint = i_chapter;
1086 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1092 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1093 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1099 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1100 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1101 i_cell, i_sub_cell, i_chapter, i_vobu,
1102 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1103 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1104 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1107 p_sys->i_cur_block = i_block;
1108 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1109 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1110 p_sys->i_cur_cell = i_cell;
1111 p_sys->i_chapter = i_chapter;
1112 DvdReadFindCell( p_demux );
1120 /*****************************************************************************
1122 *****************************************************************************/
1123 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1125 demux_sys_t *p_sys = p_demux->p_sys;
1127 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1130 * Determine where we go next. These values are the ones we mostly
1133 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1134 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1137 * Store the timecodes so we can get the current time
1139 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1140 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1143 * If we're not at the end of this cell, we can determine the next
1144 * VOBU to display using the VOBU_SRI information section of the
1145 * DSI. Using this value correctly follows the current angle,
1146 * avoiding the doubled scenes in The Matrix, and makes our life
1150 p_sys->i_next_vobu = p_sys->i_cur_block +
1151 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1153 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1154 && p_sys->i_angle > 1 )
1156 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1159 /* Interleaved unit with no angle */
1160 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1162 p_sys->i_next_vobu = p_sys->i_cur_block +
1163 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1164 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1168 p_sys->i_next_vobu = p_sys->i_cur_block +
1169 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1173 /* vobu is end of ilvu */
1174 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1176 p_sys->i_next_vobu = p_sys->i_cur_block +
1177 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1178 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1183 /* vobu is beginning of ilvu */
1187 /* entering interleaved section */
1189 /* non interleaved cells in interleaved section */
1191 p_sys->i_next_vobu = p_sys->i_cur_block +
1192 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1196 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1198 p_sys->i_cur_cell = p_sys->i_next_cell;
1201 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1203 DvdReadFindCell( p_demux );
1205 p_sys->i_next_vobu =
1206 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1208 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 );
1213 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1214 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1215 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1216 p_sys->dsi_pack.dsi_gi.vobu_ea,
1217 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1218 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1219 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1221 msg_Dbg( p_demux, "cell duration: %lld",
1222 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1224 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1225 p_sys->dsi_pack.sml_pbi.category,
1226 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1227 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1228 p_sys->dsi_pack.sml_pbi.size );
1230 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1231 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1232 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1233 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1237 /*****************************************************************************
1239 *****************************************************************************/
1240 static void DvdReadFindCell( demux_t *p_demux )
1242 demux_sys_t *p_sys = p_demux->p_sys;
1248 #define cell p_sys->p_cur_pgc->cell_playback
1250 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1252 p_sys->i_cur_cell += p_sys->i_angle - 1;
1254 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1258 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1262 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1267 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1269 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1270 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1271 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1272 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1273 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1275 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1279 if( p_sys->i_chapter < p_sys->i_chapters &&
1280 p_demux->info.i_seekpoint != p_sys->i_chapter )
1282 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1283 p_demux->info.i_seekpoint = p_sys->i_chapter;
1288 /*****************************************************************************
1289 * DemuxTitles: get the titles/chapters structure
1290 *****************************************************************************/
1291 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1293 demux_sys_t *p_sys = p_demux->p_sys;
1299 /* Find out number of titles/chapters */
1300 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1302 i_titles = tt_srpt->nr_of_srpts;
1303 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1305 for( i = 0; i < i_titles; i++ )
1307 int32_t i_chapters = 0;
1310 i_chapters = tt_srpt->title[i].nr_of_ptts;
1311 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1313 t = vlc_input_title_New();
1315 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1317 s = vlc_seekpoint_New();
1318 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1321 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );