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 *****************************************************************************/
31 #include <vlc_input.h>
32 #include <vlc_access.h>
34 #include <vlc_interface.h>
38 #include "../demux/ps.h"
45 #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 "Default DVD angle." )
61 #define CACHING_TEXT N_("Caching value in ms")
62 #define CACHING_LONGTEXT N_( \
63 "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 const char *psz_css_list[] = { "title", "disc", "key" };
84 static const 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 );
235 intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
236 _("DVDRead could not open disk \"%s\"."), psz_name );
242 /* Ifo allocation & initialisation */
243 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
245 msg_Warn( p_demux, "cannot open VMG info" );
248 msg_Dbg( p_demux, "VMG opened" );
250 /* Fill p_demux field */
251 STANDARD_DEMUX_INIT; p_sys = p_demux->p_sys;
253 ps_track_init( p_sys->tk );
254 p_sys->i_aspect = -1;
255 p_sys->i_title_cur_time = (mtime_t) 0;
256 p_sys->i_cell_cur_time = (mtime_t) 0;
257 p_sys->i_cell_duration = (mtime_t) 0;
259 p_sys->p_dvdread = p_dvdread;
260 p_sys->p_vmg_file = p_vmg_file;
261 p_sys->p_title = NULL;
262 p_sys->p_vts_file = NULL;
264 p_sys->i_title = p_sys->i_chapter = -1;
265 p_sys->i_mux_rate = 0;
267 var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
268 var_Get( p_demux, "dvdread-angle", &val );
269 p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
271 DemuxTitles( p_demux, &p_sys->i_angle );
272 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
275 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
280 /* Update default_pts to a suitable value for dvdread access */
281 var_Create( p_demux, "dvdread-caching",
282 VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
287 /*****************************************************************************
289 *****************************************************************************/
290 static void Close( vlc_object_t *p_this )
292 demux_t *p_demux = (demux_t*)p_this;
293 demux_sys_t *p_sys = p_demux->p_sys;
296 for( i = 0; i < PS_TK_COUNT; i++ )
298 ps_track_t *tk = &p_sys->tk[i];
301 es_format_Clean( &tk->fmt );
302 if( tk->es ) es_out_Del( p_demux->out, tk->es );
306 /* Close libdvdread */
307 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
308 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
309 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
310 DVDClose( p_sys->p_dvdread );
315 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
317 /* Macro to convert Binary Coded Decimal to Decimal */
318 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
321 int64_t i_micro_second = 0;
323 if (still_time == 0 || still_time == 0xFF)
325 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
326 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
327 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
329 switch((dtime->frame_u & 0xc0) >> 6)
341 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
342 i_micro_second += (int64_t)(f_ms * 1000.0);
346 i_micro_second = still_time;
347 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
350 return i_micro_second;
353 /*****************************************************************************
355 *****************************************************************************/
356 static int Control( demux_t *p_demux, int i_query, va_list args )
358 demux_sys_t *p_sys = p_demux->p_sys;
362 input_title_t ***ppp_title;
368 case DEMUX_GET_POSITION:
370 pf = (double*) va_arg( args, double* );
372 if( p_sys->i_title_blocks > 0 )
373 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
379 case DEMUX_SET_POSITION:
381 f = (double)va_arg( args, double );
383 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
388 pi64 = (int64_t*)va_arg( args, int64_t * );
389 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
391 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
392 p_sys->i_title_blocks * p_sys->i_title_offset;
398 case DEMUX_GET_LENGTH:
399 pi64 = (int64_t*)va_arg( args, int64_t * );
400 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
402 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
408 /* Special for access_demux */
409 case DEMUX_CAN_PAUSE:
410 case DEMUX_CAN_CONTROL_PACE:
412 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
416 case DEMUX_SET_PAUSE_STATE:
419 case DEMUX_GET_TITLE_INFO:
420 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
421 pi_int = (int*)va_arg( args, int* );
422 *((int*)va_arg( args, int* )) = 1; /* Title offset */
423 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
425 /* Duplicate title infos */
426 *pi_int = p_sys->i_titles;
427 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
428 for( i = 0; i < p_sys->i_titles; i++ )
430 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
434 case DEMUX_SET_TITLE:
435 i = (int)va_arg( args, int );
436 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
438 msg_Warn( p_demux, "cannot set title/chapter" );
441 p_demux->info.i_update |=
442 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
443 p_demux->info.i_title = i;
444 p_demux->info.i_seekpoint = 0;
447 case DEMUX_SET_SEEKPOINT:
448 i = (int)va_arg( args, int );
449 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
451 msg_Warn( p_demux, "cannot set title/chapter" );
454 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
455 p_demux->info.i_seekpoint = i;
458 case DEMUX_GET_PTS_DELAY:
459 pi64 = (int64_t*)va_arg( args, int64_t * );
460 *pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
463 /* TODO implement others */
469 /*****************************************************************************
471 *****************************************************************************/
472 static int Demux( demux_t *p_demux )
474 demux_sys_t *p_sys = p_demux->p_sys;
476 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
477 int i_blocks_once, i_read;
481 * Playback by cell in this pgc, starting at the cell for our chapter.
485 * Check end of pack, and select the following one
487 if( !p_sys->i_pack_len )
489 /* Read NAV packet */
490 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
493 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
494 intf_UserWarn( p_demux, _("Playback failure"),
495 _("DVDRead could not read block %d."),
496 p_sys->i_next_vobu );
500 /* Basic check to be sure we don't have a empty title
501 * go to next title if so */
502 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
504 /* Parse the contained dsi packet */
505 DvdReadHandleDSI( p_demux, p_buffer );
508 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
510 if( p_sys->i_title + 1 >= p_sys->i_titles )
515 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
518 if( p_sys->i_pack_len >= 1024 )
520 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
521 "This shouldn't happen!", p_sys->i_pack_len );
525 /* FIXME: Ugly kludge: we send the pack block to the input for it
526 * sometimes has a zero scr and restart the sync */
527 p_sys->i_cur_block++;
528 p_sys->i_title_offset++;
530 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
533 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
535 if( p_sys->i_title + 1 >= p_sys->i_titles )
540 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
546 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
547 p_sys->i_pack_len -= i_blocks_once;
550 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
551 i_blocks_once, p_buffer );
552 if( i_read != i_blocks_once )
554 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
555 i_read, i_blocks_once, p_sys->i_cur_block );
556 intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
557 _("DVDRead could not read %d/%d blocks at 0x%02x."),
558 i_read, i_blocks_once, p_sys->i_cur_block );
562 p_sys->i_cur_block += i_read;
563 p_sys->i_title_offset += i_read;
566 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
567 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
570 for( i = 0; i < i_read; i++ )
572 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
581 /*****************************************************************************
582 * DemuxBlock: demux a given block
583 *****************************************************************************/
584 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
586 demux_sys_t *p_sys = p_demux->p_sys;
589 while( p < &pkt[i_pkt] )
591 int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
599 p_pkt = block_New( p_demux, i_size );
600 memcpy( p_pkt->p_buffer, p, i_size);
602 /* Parse it and send it */
603 switch( 0x100 | p[3] )
612 msg_Warn( p_demux, "received a PSM packet" );
614 else if( p[3] == 0xbb )
616 msg_Warn( p_demux, "received a SYSTEM packet" );
619 block_Release( p_pkt );
626 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
628 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
629 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
631 block_Release( p_pkt );
636 int i_id = ps_pkt_id( p_pkt );
639 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
643 ESNew( p_demux, i_id, 0 );
645 if( tk->b_seen && tk->es &&
646 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
648 es_out_Send( p_demux->out, tk->es, p_pkt );
652 block_Release( p_pkt );
657 block_Release( p_pkt );
669 /*****************************************************************************
670 * ESNew: register a new elementary stream
671 *****************************************************************************/
672 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
674 demux_sys_t *p_sys = p_demux->p_sys;
675 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
676 char psz_language[3];
678 if( tk->b_seen ) return;
680 if( ps_track_fill( tk, 0, i_id ) )
682 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
686 psz_language[0] = psz_language[1] = psz_language[2] = 0;
687 if( i_lang && i_lang != 0xffff )
689 psz_language[0] = (i_lang >> 8)&0xff;
690 psz_language[1] = (i_lang )&0xff;
694 if( tk->fmt.i_cat == VIDEO_ES )
696 if( p_sys->i_aspect >= 0 )
698 tk->fmt.video.i_aspect = p_sys->i_aspect;
701 else if( tk->fmt.i_cat == AUDIO_ES )
704 /* find the audio number PLEASE find another way */
705 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
709 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
713 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
717 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
722 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
724 else if( tk->fmt.i_cat == SPU_ES )
727 tk->fmt.subs.spu.palette[0] = 0xBeef;
728 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
729 16 * sizeof( uint32_t ) );
731 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
734 tk->es = es_out_Add( p_demux->out, &tk->fmt );
735 tk->b_seen = VLC_TRUE;
738 /*****************************************************************************
739 * DvdReadSetArea: initialize input data for title x, chapter y.
740 * It should be called for each user navigation request.
741 *****************************************************************************
742 * Take care that i_title and i_chapter start from 0.
743 *****************************************************************************/
744 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
747 demux_sys_t *p_sys = p_demux->p_sys;
748 int pgc_id = 0, pgn = 0;
751 #define p_pgc p_sys->p_cur_pgc
752 #define p_vmg p_sys->p_vmg_file
753 #define p_vts p_sys->p_vts_file
755 if( i_title >= 0 && i_title < p_sys->i_titles &&
756 i_title != p_sys->i_title )
758 int i_start_cell, i_end_cell;
760 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
761 if( p_vts != NULL ) ifoClose( p_vts );
762 p_sys->i_title = i_title;
765 * We have to load all title information
767 msg_Dbg( p_demux, "open VTS %d, for title %d",
768 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
771 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
772 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
774 msg_Err( p_demux, "fatal error in vts ifo" );
778 /* Title position inside the selected vts */
779 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
781 /* Find title start/end */
782 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
783 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
784 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
786 p_sys->i_title_start_cell =
787 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
788 p_sys->i_title_start_block =
789 p_pgc->cell_playback[i_start_cell].first_sector;
791 p_sys->i_title_end_cell =
792 i_end_cell = p_pgc->nr_of_cells - 1;
793 p_sys->i_title_end_block =
794 p_pgc->cell_playback[i_end_cell].last_sector;
796 p_sys->i_title_offset = 0;
798 p_sys->i_title_blocks = 0;
799 for( i = i_start_cell; i <= i_end_cell; i++ )
801 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
802 p_pgc->cell_playback[i].first_sector + 1;
805 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
806 "start %d end %d blocks: %d",
807 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
808 p_sys->i_title_start_block, p_sys->i_title_end_block,
809 p_sys->i_title_blocks );
812 * Set properties for current chapter
814 p_sys->i_chapter = 0;
816 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
818 pgc_id = p_vts->vts_ptt_srpt->title[
819 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
820 pgn = p_vts->vts_ptt_srpt->title[
821 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
823 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
824 p_sys->i_pack_len = 0;
826 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
827 DvdReadFindCell( p_demux );
829 p_sys->i_next_vobu = p_sys->i_cur_block =
830 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
835 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
836 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
839 * We've got enough info, time to open the title set data.
841 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
842 p_vmg->tt_srpt->title[i_title].title_set_nr,
843 DVD_READ_TITLE_VOBS ) ) )
845 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
846 p_vmg->tt_srpt->title[i_title].title_set_nr );
850 //IfoPrintTitle( p_demux );
853 * Destroy obsolete ES by reinitializing program 0
854 * and find all ES in title with ifo data
856 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
858 for( i = 0; i < PS_TK_COUNT; i++ )
860 ps_track_t *tk = &p_sys->tk[i];
863 es_format_Clean( &tk->fmt );
864 if( tk->es ) es_out_Del( p_demux->out, tk->es );
866 tk->b_seen = VLC_FALSE;
869 if( p_demux->info.i_title != i_title )
871 p_demux->info.i_update |=
872 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
873 p_demux->info.i_title = i_title;
874 p_demux->info.i_seekpoint = 0;
877 /* TODO: re-add angles */
880 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
881 p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
883 #define audio_control \
884 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
886 /* Audio ES, in the order they appear in the .ifo */
887 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
892 //IfoPrintAudio( p_demux, i );
894 /* Audio channel is active if first byte is 0x80 */
895 if( audio_control & 0x8000 )
897 i_position = ( audio_control & 0x7F00 ) >> 8;
899 msg_Dbg( p_demux, "audio position %d", i_position );
900 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
903 i_id = (0x80 + i_position) | 0xbd00;
906 case 0x03: /* MPEG audio */
907 i_id = 0xc000 + i_position;
909 case 0x04: /* LPCM */
910 i_id = (0xa0 + i_position) | 0xbd00;
913 i_id = (0x88 + i_position) | 0xbd00;
917 msg_Err( p_demux, "unknown audio type %.2x",
918 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
921 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
922 vts_audio_attr[i - 1].lang_code );
927 #define spu_palette \
928 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
930 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
932 #define spu_control \
933 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
936 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
941 //IfoPrintSpu( p_sys, i );
942 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
944 if( spu_control & 0x80000000 )
946 /* there are several streams for one spu */
947 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
950 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
952 case 1: /* letterbox */
953 i_position = spu_control & 0xff;
955 case 2: /* pan&scan */
956 i_position = ( spu_control >> 8 ) & 0xff;
958 default: /* widescreen */
959 i_position = ( spu_control >> 16 ) & 0xff;
966 i_position = ( spu_control >> 24 ) & 0x7F;
969 i_id = (0x20 + i_position) | 0xbd00;
971 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
972 vts_subp_attr[i - 1].lang_code );
978 else if( i_title != -1 && i_title != p_sys->i_title )
981 return VLC_EGENERIC; /* Couldn't set title */
988 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
990 pgc_id = p_vts->vts_ptt_srpt->title[
991 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
992 pgn = p_vts->vts_ptt_srpt->title[
993 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
995 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
997 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
998 p_sys->i_chapter = i_chapter;
999 DvdReadFindCell( p_demux );
1001 p_sys->i_title_offset = 0;
1002 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1004 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1005 p_pgc->cell_playback[i].first_sector + 1;
1008 p_sys->i_pack_len = 0;
1009 p_sys->i_next_vobu = p_sys->i_cur_block =
1010 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1012 if( p_demux->info.i_seekpoint != i_chapter )
1014 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1015 p_demux->info.i_seekpoint = i_chapter;
1018 else if( i_chapter != -1 )
1021 return VLC_EGENERIC; /* Couldn't set chapter */
1031 /*****************************************************************************
1032 * DvdReadSeek : Goes to a given position on the stream.
1033 *****************************************************************************
1034 * This one is used by the input and translate chronological position from
1035 * input to logical position on the device.
1036 *****************************************************************************/
1037 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1039 demux_sys_t *p_sys = p_demux->p_sys;
1046 #define p_pgc p_sys->p_cur_pgc
1047 #define p_vts p_sys->p_vts_file
1050 i_block = i_block_offset;
1051 for( i_cell = p_sys->i_title_start_cell;
1052 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1054 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1055 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1057 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1058 p_pgc->cell_playback[i_cell].first_sector + 1);
1060 if( i_cell > p_sys->i_title_end_cell )
1062 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1065 i_block += p_pgc->cell_playback[i_cell].first_sector;
1066 p_sys->i_title_offset = i_block_offset;
1069 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1071 int pgc_id, pgn, i_tmp;
1073 pgc_id = p_vts->vts_ptt_srpt->title[
1074 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1075 pgn = p_vts->vts_ptt_srpt->title[
1076 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1078 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1080 if( i_tmp > i_cell ) break;
1083 if( i_chapter < p_sys->i_chapters &&
1084 p_demux->info.i_seekpoint != i_chapter )
1086 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1087 p_demux->info.i_seekpoint = i_chapter;
1091 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1097 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1098 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1104 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1105 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1106 i_cell, i_sub_cell, i_chapter, i_vobu,
1107 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1108 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1109 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1112 p_sys->i_cur_block = i_block;
1113 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1114 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1115 p_sys->i_cur_cell = i_cell;
1116 p_sys->i_chapter = i_chapter;
1117 DvdReadFindCell( p_demux );
1125 /*****************************************************************************
1127 *****************************************************************************/
1128 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1130 demux_sys_t *p_sys = p_demux->p_sys;
1132 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1135 * Determine where we go next. These values are the ones we mostly
1138 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1139 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1142 * Store the timecodes so we can get the current time
1144 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1145 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1148 * If we're not at the end of this cell, we can determine the next
1149 * VOBU to display using the VOBU_SRI information section of the
1150 * DSI. Using this value correctly follows the current angle,
1151 * avoiding the doubled scenes in The Matrix, and makes our life
1155 p_sys->i_next_vobu = p_sys->i_cur_block +
1156 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1158 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1159 && p_sys->i_angle > 1 )
1161 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1164 /* Interleaved unit with no angle */
1165 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1167 p_sys->i_next_vobu = p_sys->i_cur_block +
1168 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1169 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1173 p_sys->i_next_vobu = p_sys->i_cur_block +
1174 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1178 /* vobu is end of ilvu */
1179 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1181 p_sys->i_next_vobu = p_sys->i_cur_block +
1182 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1183 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1188 /* vobu is beginning of ilvu */
1192 /* entering interleaved section */
1194 /* non interleaved cells in interleaved section */
1196 p_sys->i_next_vobu = p_sys->i_cur_block +
1197 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1201 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1203 p_sys->i_cur_cell = p_sys->i_next_cell;
1206 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1208 DvdReadFindCell( p_demux );
1210 p_sys->i_next_vobu =
1211 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1213 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 );
1218 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1219 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1220 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1221 p_sys->dsi_pack.dsi_gi.vobu_ea,
1222 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1223 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1224 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1226 msg_Dbg( p_demux, "cell duration: %lld",
1227 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1229 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1230 p_sys->dsi_pack.sml_pbi.category,
1231 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1232 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1233 p_sys->dsi_pack.sml_pbi.size );
1235 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1236 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1237 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1238 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1242 /*****************************************************************************
1244 *****************************************************************************/
1245 static void DvdReadFindCell( demux_t *p_demux )
1247 demux_sys_t *p_sys = p_demux->p_sys;
1253 #define cell p_sys->p_cur_pgc->cell_playback
1255 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1257 p_sys->i_cur_cell += p_sys->i_angle - 1;
1259 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1263 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1267 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1272 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1274 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1275 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1276 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1277 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1278 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1280 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1284 if( p_sys->i_chapter < p_sys->i_chapters &&
1285 p_demux->info.i_seekpoint != p_sys->i_chapter )
1287 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1288 p_demux->info.i_seekpoint = p_sys->i_chapter;
1293 /*****************************************************************************
1294 * DemuxTitles: get the titles/chapters structure
1295 *****************************************************************************/
1296 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1298 demux_sys_t *p_sys = p_demux->p_sys;
1304 /* Find out number of titles/chapters */
1305 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1307 i_titles = tt_srpt->nr_of_srpts;
1308 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1310 for( i = 0; i < i_titles; i++ )
1312 int32_t i_chapters = 0;
1315 i_chapters = tt_srpt->title[i].nr_of_ptts;
1316 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1318 t = vlc_input_title_New();
1320 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1322 s = vlc_seekpoint_New();
1323 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1326 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );