1 /*****************************************************************************
2 * dvdread.c : DvdRead input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2001-2006 VLC authors and 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 it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
26 * NOTA BENE: this module requires the linking against a library which is
27 * known to require licensing under the GNU General Public License version 2
28 * (or later). Therefore, the result of compiling this module will normally
29 * be subject to the terms of that later license.
30 *****************************************************************************/
33 /*****************************************************************************
35 *****************************************************************************/
41 #include <vlc_common.h>
42 #include <vlc_plugin.h>
43 #include <vlc_input.h>
44 #include <vlc_access.h>
45 #include <vlc_charset.h>
46 #include <vlc_interface.h>
47 #include <vlc_dialog.h>
49 #include <vlc_iso_lang.h>
51 #include "../demux/ps.h"
57 #include <sys/types.h>
59 #include <dvdread/dvd_reader.h>
60 #include <dvdread/ifo_types.h>
61 #include <dvdread/ifo_read.h>
62 #include <dvdread/nav_read.h>
63 #include <dvdread/nav_print.h>
67 /*****************************************************************************
69 *****************************************************************************/
70 #define ANGLE_TEXT N_("DVD angle")
71 #define ANGLE_LONGTEXT N_( \
72 "Default DVD angle." )
74 static int Open ( vlc_object_t * );
75 static void Close( vlc_object_t * );
78 set_shortname( N_("DVD without menus") )
79 set_description( N_("DVDRead Input (no menu support)") )
80 set_category( CAT_INPUT )
81 set_subcategory( SUBCAT_INPUT_ACCESS )
82 add_integer( "dvdread-angle", 1, ANGLE_TEXT,
83 ANGLE_LONGTEXT, false )
84 add_obsolete_string( "dvdread-css-method" ) /* obsolete since 1.1.0 */
85 set_capability( "access_demux", 0 )
86 add_shortcut( "dvd", "dvdread", "dvdsimple" )
87 set_callbacks( Open, Close )
90 /* how many blocks DVDRead will read in each loop */
91 #define DVD_BLOCK_READ_ONCE 4
93 /*****************************************************************************
95 *****************************************************************************/
100 dvd_reader_t *p_dvdread;
103 ifo_handle_t *p_vmg_file;
104 ifo_handle_t *p_vts_file;
107 int i_chapter, i_chapters;
108 int i_angle, i_angles;
110 tt_srpt_t *p_tt_srpt;
121 /* Current title start/end blocks */
122 int i_title_start_block;
123 int i_title_end_block;
126 mtime_t i_title_cur_time;
128 int i_title_start_cell;
129 int i_title_end_cell;
132 mtime_t i_cell_cur_time;
133 mtime_t i_cell_duration;
136 ps_track_t tk[PS_TK_COUNT];
139 input_title_t **titles;
149 static int Control ( demux_t *, int, va_list );
150 static int Demux ( demux_t * );
151 static int DemuxBlock( demux_t *, const uint8_t *, int );
153 static void DemuxTitles( demux_t *, int * );
154 static void ESNew( demux_t *, int, int );
156 static int DvdReadSetArea ( demux_t *, int, int, int );
157 static void DvdReadSeek ( demux_t *, int );
158 static void DvdReadHandleDSI( demux_t *, uint8_t * );
159 static void DvdReadFindCell ( demux_t * );
161 /*****************************************************************************
163 *****************************************************************************/
164 static int Open( vlc_object_t *p_this )
166 demux_t *p_demux = (demux_t*)p_this;
169 ifo_handle_t *p_vmg_file;
171 if( !p_demux->psz_file || !*p_demux->psz_file )
173 /* Only when selected */
174 if( !p_demux->psz_access || !*p_demux->psz_access )
177 psz_file = var_InheritString( p_this, "dvd" );
180 psz_file = strdup( p_demux->psz_file );
182 #if defined( _WIN32 ) || defined( __OS2__ )
183 if( psz_file != NULL )
185 size_t flen = strlen( psz_file );
186 if( flen > 0 && psz_file[flen - 1] == '\\' )
187 psz_file[flen - 1] = '\0';
190 psz_file = strdup("");
192 if( unlikely(psz_file == NULL) )
196 const char *psz_path = ToLocale( psz_file );
197 dvd_reader_t *p_dvdread = DVDOpen( psz_path );
199 LocaleFree( psz_path );
200 if( p_dvdread == NULL )
202 msg_Err( p_demux, "DVDRead cannot open source: %s", psz_file );
203 dialog_Fatal( p_demux, _("Playback failure"),
204 _("DVDRead could not open the disc \"%s\"."), psz_file );
210 /* Ifo allocation & initialisation */
211 if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
213 msg_Warn( p_demux, "cannot open VMG info" );
216 msg_Dbg( p_demux, "VMG opened" );
218 /* Fill p_demux field */
219 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
221 ps_track_init( p_sys->tk );
222 p_sys->i_sar_num = 0;
223 p_sys->i_sar_den = 0;
224 p_sys->i_title_cur_time = (mtime_t) 0;
225 p_sys->i_cell_cur_time = (mtime_t) 0;
226 p_sys->i_cell_duration = (mtime_t) 0;
228 p_sys->p_dvdread = p_dvdread;
229 p_sys->p_vmg_file = p_vmg_file;
230 p_sys->p_title = NULL;
231 p_sys->p_vts_file = NULL;
233 p_sys->i_title = p_sys->i_chapter = -1;
234 p_sys->i_mux_rate = 0;
236 p_sys->i_angle = var_CreateGetInteger( p_demux, "dvdread-angle" );
237 if( p_sys->i_angle <= 0 ) p_sys->i_angle = 1;
239 DemuxTitles( p_demux, &p_sys->i_angle );
240 if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
242 msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
251 /*****************************************************************************
253 *****************************************************************************/
254 static void Close( vlc_object_t *p_this )
256 demux_t *p_demux = (demux_t*)p_this;
257 demux_sys_t *p_sys = p_demux->p_sys;
260 for( i = 0; i < PS_TK_COUNT; i++ )
262 ps_track_t *tk = &p_sys->tk[i];
265 es_format_Clean( &tk->fmt );
266 if( tk->es ) es_out_Del( p_demux->out, tk->es );
270 /* Free the array of titles */
271 for( int i = 0; i < p_sys->i_titles; i++ )
272 vlc_input_title_Delete( p_sys->titles[i] );
273 TAB_CLEAN( p_sys->i_titles, p_sys->titles );
275 /* Close libdvdread */
276 if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
277 if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
278 if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
279 DVDClose( p_sys->p_dvdread );
284 static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
286 /* Macro to convert Binary Coded Decimal to Decimal */
287 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
290 int64_t i_micro_second = 0;
292 if (still_time == 0 || still_time == 0xFF)
294 i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
295 i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
296 i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
298 switch((dtime->frame_u & 0xc0) >> 6)
310 f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
311 i_micro_second += (int64_t)(f_ms * 1000.0);
315 i_micro_second = still_time;
316 i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
319 return i_micro_second;
322 /*****************************************************************************
324 *****************************************************************************/
325 static int Control( demux_t *p_demux, int i_query, va_list args )
327 demux_sys_t *p_sys = p_demux->p_sys;
331 input_title_t ***ppp_title;
337 case DEMUX_GET_POSITION:
339 pf = (double*) va_arg( args, double* );
341 if( p_sys->i_title_blocks > 0 )
342 *pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
348 case DEMUX_SET_POSITION:
350 f = (double)va_arg( args, double );
352 DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
357 pi64 = (int64_t*)va_arg( args, int64_t * );
358 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
360 *pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
361 p_sys->i_title_blocks * p_sys->i_title_offset;
367 case DEMUX_GET_LENGTH:
368 pi64 = (int64_t*)va_arg( args, int64_t * );
369 if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
371 *pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
377 /* Special for access_demux */
378 case DEMUX_CAN_PAUSE:
380 case DEMUX_CAN_CONTROL_PACE:
382 pb = (bool*)va_arg( args, bool * );
386 case DEMUX_SET_PAUSE_STATE:
389 case DEMUX_GET_TITLE_INFO:
390 ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
391 pi_int = (int*)va_arg( args, int* );
392 *((int*)va_arg( args, int* )) = 1; /* Title offset */
393 *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
395 /* Duplicate title infos */
396 *pi_int = p_sys->i_titles;
397 *ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
398 for( i = 0; i < p_sys->i_titles; i++ )
400 (*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
404 case DEMUX_SET_TITLE:
405 i = (int)va_arg( args, int );
406 if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
408 msg_Warn( p_demux, "cannot set title/chapter" );
411 p_demux->info.i_update |=
412 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
413 p_demux->info.i_title = i;
414 p_demux->info.i_seekpoint = 0;
417 case DEMUX_SET_SEEKPOINT:
418 i = (int)va_arg( args, int );
419 if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
421 msg_Warn( p_demux, "cannot set title/chapter" );
424 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
425 p_demux->info.i_seekpoint = i;
428 case DEMUX_GET_PTS_DELAY:
429 pi64 = (int64_t*)va_arg( args, int64_t * );
431 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
434 /* TODO implement others */
440 /*****************************************************************************
442 *****************************************************************************/
443 static int Demux( demux_t *p_demux )
445 demux_sys_t *p_sys = p_demux->p_sys;
447 uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
448 int i_blocks_once, i_read;
452 * Playback by cell in this pgc, starting at the cell for our chapter.
456 * Check end of pack, and select the following one
458 if( !p_sys->i_pack_len )
460 /* Read NAV packet */
461 if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
464 msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
465 dialog_Fatal( p_demux, _("Playback failure"),
466 _("DVDRead could not read block %d."),
467 p_sys->i_next_vobu );
471 /* Basic check to be sure we don't have a empty title
472 * go to next title if so */
473 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
475 /* Parse the contained dsi packet */
476 DvdReadHandleDSI( p_demux, p_buffer );
479 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
481 if( p_sys->i_title + 1 >= p_sys->i_titles )
486 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
489 if( p_sys->i_pack_len >= 1024 )
491 msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
492 "This shouldn't happen!", p_sys->i_pack_len );
496 /* FIXME: Ugly kludge: we send the pack block to the input for it
497 * sometimes has a zero scr and restart the sync */
498 p_sys->i_cur_block++;
499 p_sys->i_title_offset++;
501 DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
504 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
506 if( p_sys->i_title + 1 >= p_sys->i_titles )
511 DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
517 i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
518 p_sys->i_pack_len -= i_blocks_once;
521 i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
522 i_blocks_once, p_buffer );
523 if( i_read != i_blocks_once )
525 msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
526 i_read, i_blocks_once, p_sys->i_cur_block );
527 dialog_Fatal( p_demux, _("Playback failure"),
528 _("DVDRead could not read %d/%d blocks at 0x%02x."),
529 i_read, i_blocks_once, p_sys->i_cur_block );
533 p_sys->i_cur_block += i_read;
534 p_sys->i_title_offset += i_read;
537 msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
538 i_read, p_sys->i_pack_len, p_sys->i_cur_block );
541 for( i = 0; i < i_read; i++ )
543 DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
552 /*****************************************************************************
553 * DemuxBlock: demux a given block
554 *****************************************************************************/
555 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
557 demux_sys_t *p_sys = p_demux->p_sys;
561 int i_size = ps_pkt_size( p, len );
562 if( i_size <= 0 || i_size > len )
568 block_t *p_pkt = block_Alloc( i_size );
569 memcpy( p_pkt->p_buffer, p, i_size);
571 /* Parse it and send it */
572 switch( 0x100 | p[3] )
581 msg_Warn( p_demux, "received a PSM packet" );
583 else if( p[3] == 0xbb )
585 msg_Warn( p_demux, "received a SYSTEM packet" );
588 block_Release( p_pkt );
595 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
597 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
598 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
600 block_Release( p_pkt );
605 int i_id = ps_pkt_id( p_pkt );
608 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
612 ESNew( p_demux, i_id, 0 );
614 if( tk->b_seen && tk->es &&
615 !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
617 es_out_Send( p_demux->out, tk->es, p_pkt );
621 block_Release( p_pkt );
626 block_Release( p_pkt );
639 /*****************************************************************************
640 * ESNew: register a new elementary stream
641 *****************************************************************************/
642 static void ESNew( demux_t *p_demux, int i_id, int i_lang )
644 demux_sys_t *p_sys = p_demux->p_sys;
645 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
646 char psz_language[3];
648 if( tk->b_seen ) return;
650 if( ps_track_fill( tk, 0, i_id ) )
652 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
656 psz_language[0] = psz_language[1] = psz_language[2] = 0;
657 if( i_lang && i_lang != 0xffff )
659 psz_language[0] = (i_lang >> 8)&0xff;
660 psz_language[1] = (i_lang )&0xff;
664 if( tk->fmt.i_cat == VIDEO_ES )
666 tk->fmt.video.i_sar_num = p_sys->i_sar_num;
667 tk->fmt.video.i_sar_den = p_sys->i_sar_den;
669 else if( tk->fmt.i_cat == AUDIO_ES )
673 /* find the audio number PLEASE find another way */
674 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
678 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
682 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
686 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
692 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
694 else if( tk->fmt.i_cat == SPU_ES )
697 tk->fmt.subs.spu.palette[0] = 0xBeef;
698 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
699 16 * sizeof( uint32_t ) );
701 if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
704 tk->es = es_out_Add( p_demux->out, &tk->fmt );
708 /*****************************************************************************
709 * DvdReadSetArea: initialize input data for title x, chapter y.
710 * It should be called for each user navigation request.
711 *****************************************************************************
712 * Take care that i_title and i_chapter start from 0.
713 *****************************************************************************/
714 static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
717 VLC_UNUSED( i_angle );
719 demux_sys_t *p_sys = p_demux->p_sys;
720 int pgc_id = 0, pgn = 0;
723 #define p_pgc p_sys->p_cur_pgc
724 #define p_vmg p_sys->p_vmg_file
725 #define p_vts p_sys->p_vts_file
727 if( i_title >= 0 && i_title < p_sys->i_titles &&
728 i_title != p_sys->i_title )
730 int i_start_cell, i_end_cell;
732 if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
733 if( p_vts != NULL ) ifoClose( p_vts );
734 p_sys->i_title = i_title;
737 * We have to load all title information
739 msg_Dbg( p_demux, "open VTS %d, for title %d",
740 p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
743 if( !( p_vts = ifoOpen( p_sys->p_dvdread,
744 p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
746 msg_Err( p_demux, "fatal error in vts ifo" );
750 /* Title position inside the selected vts */
751 p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
753 /* Find title start/end */
754 pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
755 pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
756 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
758 if( p_pgc->cell_playback == NULL )
760 msg_Err( p_demux, "Invalid PGC (cell_playback_offset)" );
764 p_sys->i_title_start_cell =
765 i_start_cell = p_pgc->program_map[pgn - 1] - 1;
766 p_sys->i_title_start_block =
767 p_pgc->cell_playback[i_start_cell].first_sector;
769 p_sys->i_title_end_cell =
770 i_end_cell = p_pgc->nr_of_cells - 1;
771 p_sys->i_title_end_block =
772 p_pgc->cell_playback[i_end_cell].last_sector;
774 p_sys->i_title_offset = 0;
776 p_sys->i_title_blocks = 0;
777 for( i = i_start_cell; i <= i_end_cell; i++ )
779 p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
780 p_pgc->cell_playback[i].first_sector + 1;
783 msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
784 "start %d end %d blocks: %d",
785 i_title + 1, p_sys->i_ttn, pgc_id, pgn,
786 p_sys->i_title_start_block, p_sys->i_title_end_block,
787 p_sys->i_title_blocks );
790 * Set properties for current chapter
792 p_sys->i_chapter = 0;
794 p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
796 pgc_id = p_vts->vts_ptt_srpt->title[
797 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
798 pgn = p_vts->vts_ptt_srpt->title[
799 p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
801 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
802 p_sys->i_pack_len = 0;
804 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
805 DvdReadFindCell( p_demux );
807 p_sys->i_next_vobu = p_sys->i_cur_block =
808 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
813 p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
814 if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
817 * We've got enough info, time to open the title set data.
819 if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
820 p_vmg->tt_srpt->title[i_title].title_set_nr,
821 DVD_READ_TITLE_VOBS ) ) )
823 msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
824 p_vmg->tt_srpt->title[i_title].title_set_nr );
828 //IfoPrintTitle( p_demux );
831 * Destroy obsolete ES by reinitializing program 0
832 * and find all ES in title with ifo data
834 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
836 for( i = 0; i < PS_TK_COUNT; i++ )
838 ps_track_t *tk = &p_sys->tk[i];
841 es_format_Clean( &tk->fmt );
842 if( tk->es ) es_out_Del( p_demux->out, tk->es );
847 if( p_demux->info.i_title != i_title )
849 p_demux->info.i_update |=
850 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
851 p_demux->info.i_title = i_title;
852 p_demux->info.i_seekpoint = 0;
855 /* TODO: re-add angles */
858 ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
859 const video_attr_t *p_attr = &p_vts->vtsi_mat->vts_video_attr;
860 int i_video_height = p_attr->video_format != 0 ? 576 : 480;
862 switch( p_attr->picture_size )
879 switch( p_attr->display_aspect_ratio )
882 p_sys->i_sar_num = 4 * i_video_height;
883 p_sys->i_sar_den = 3 * i_video_width;
886 p_sys->i_sar_num = 16 * i_video_height;
887 p_sys->i_sar_den = 9 * i_video_width;
890 p_sys->i_sar_num = 0;
891 p_sys->i_sar_den = 0;
895 #define audio_control \
896 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
898 /* Audio ES, in the order they appear in the .ifo */
899 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
904 //IfoPrintAudio( p_demux, i );
906 /* Audio channel is active if first byte is 0x80 */
907 if( audio_control & 0x8000 )
909 i_position = ( audio_control & 0x7F00 ) >> 8;
911 msg_Dbg( p_demux, "audio position %d", i_position );
912 switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
915 i_id = (0x80 + i_position) | 0xbd00;
918 case 0x03: /* MPEG audio */
919 i_id = 0xc000 + i_position;
921 case 0x04: /* LPCM */
922 i_id = (0xa0 + i_position) | 0xbd00;
925 i_id = (0x88 + i_position) | 0xbd00;
929 msg_Err( p_demux, "unknown audio type %.2x",
930 p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
933 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
934 vts_audio_attr[i - 1].lang_code );
939 #define spu_palette \
940 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
942 memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
944 #define spu_control \
945 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
948 for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
953 //IfoPrintSpu( p_sys, i );
954 msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
956 if( spu_control & 0x80000000 )
958 /* there are several streams for one spu */
959 if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
962 switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
964 case 1: /* letterbox */
965 i_position = spu_control & 0xff;
967 case 2: /* pan&scan */
968 i_position = ( spu_control >> 8 ) & 0xff;
970 default: /* widescreen */
971 i_position = ( spu_control >> 16 ) & 0xff;
978 i_position = ( spu_control >> 24 ) & 0x7F;
981 i_id = (0x20 + i_position) | 0xbd00;
983 ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
984 vts_subp_attr[i - 1].lang_code );
990 else if( i_title != -1 && i_title != p_sys->i_title )
993 return VLC_EGENERIC; /* Couldn't set title */
1000 if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
1002 pgc_id = p_vts->vts_ptt_srpt->title[
1003 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1004 pgn = p_vts->vts_ptt_srpt->title[
1005 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1007 p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1008 if( p_pgc->cell_playback == NULL )
1009 return VLC_EGENERIC; /* Couldn't set chapter */
1011 p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
1012 p_sys->i_chapter = i_chapter;
1013 DvdReadFindCell( p_demux );
1015 p_sys->i_title_offset = 0;
1016 for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
1018 p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
1019 p_pgc->cell_playback[i].first_sector + 1;
1022 p_sys->i_pack_len = 0;
1023 p_sys->i_next_vobu = p_sys->i_cur_block =
1024 p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1026 if( p_demux->info.i_seekpoint != i_chapter )
1028 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1029 p_demux->info.i_seekpoint = i_chapter;
1032 else if( i_chapter != -1 )
1035 return VLC_EGENERIC; /* Couldn't set chapter */
1045 /*****************************************************************************
1046 * DvdReadSeek : Goes to a given position on the stream.
1047 *****************************************************************************
1048 * This one is used by the input and translate chronological position from
1049 * input to logical position on the device.
1050 *****************************************************************************/
1051 static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
1053 demux_sys_t *p_sys = p_demux->p_sys;
1060 #define p_pgc p_sys->p_cur_pgc
1061 #define p_vts p_sys->p_vts_file
1064 i_block = i_block_offset;
1065 for( i_cell = p_sys->i_title_start_cell;
1066 i_cell <= p_sys->i_title_end_cell; i_cell++ )
1068 if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
1069 (int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
1071 i_block -= (p_pgc->cell_playback[i_cell].last_sector -
1072 p_pgc->cell_playback[i_cell].first_sector + 1);
1074 if( i_cell > p_sys->i_title_end_cell )
1076 msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
1079 i_block += p_pgc->cell_playback[i_cell].first_sector;
1080 p_sys->i_title_offset = i_block_offset;
1083 for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
1085 int pgc_id, pgn, i_tmp;
1087 pgc_id = p_vts->vts_ptt_srpt->title[
1088 p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
1089 pgn = p_vts->vts_ptt_srpt->title[
1090 p_sys->i_ttn - 1].ptt[i_chapter].pgn;
1092 i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
1094 if( i_tmp > i_cell ) break;
1097 if( i_chapter < p_sys->i_chapters &&
1098 p_demux->info.i_seekpoint != i_chapter )
1100 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1101 p_demux->info.i_seekpoint = i_chapter;
1105 while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
1111 while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
1112 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
1118 msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
1119 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1120 i_cell, i_sub_cell, i_chapter, i_vobu,
1121 p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
1122 p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
1123 p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
1126 p_sys->i_cur_block = i_block;
1127 p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
1128 p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
1129 p_sys->i_cur_cell = i_cell;
1130 p_sys->i_chapter = i_chapter;
1131 DvdReadFindCell( p_demux );
1139 /*****************************************************************************
1141 *****************************************************************************/
1142 static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
1144 demux_sys_t *p_sys = p_demux->p_sys;
1146 navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
1149 * Determine where we go next. These values are the ones we mostly
1152 p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
1153 p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
1156 * Store the timecodes so we can get the current time
1158 p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
1159 p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
1162 * If we're not at the end of this cell, we can determine the next
1163 * VOBU to display using the VOBU_SRI information section of the
1164 * DSI. Using this value correctly follows the current angle,
1165 * avoiding the doubled scenes in The Matrix, and makes our life
1169 p_sys->i_next_vobu = p_sys->i_cur_block +
1170 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1172 if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
1173 && p_sys->i_angle > 1 )
1175 switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
1178 /* Interleaved unit with no angle */
1179 if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
1181 p_sys->i_next_vobu = p_sys->i_cur_block +
1182 p_sys->dsi_pack.sml_pbi.ilvu_sa;
1183 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1187 p_sys->i_next_vobu = p_sys->i_cur_block +
1188 p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
1192 /* vobu is end of ilvu */
1193 if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
1195 p_sys->i_next_vobu = p_sys->i_cur_block +
1196 p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
1197 p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
1202 /* vobu is beginning of ilvu */
1206 /* entering interleaved section */
1208 /* non interleaved cells in interleaved section */
1210 p_sys->i_next_vobu = p_sys->i_cur_block +
1211 ( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
1215 else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
1217 p_sys->i_cur_cell = p_sys->i_next_cell;
1220 if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
1222 DvdReadFindCell( p_demux );
1224 p_sys->i_next_vobu =
1225 p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
1227 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 );
1232 msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1233 p_sys->dsi_pack.dsi_gi.nv_pck_scr,
1234 p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
1235 p_sys->dsi_pack.dsi_gi.vobu_ea,
1236 p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
1237 p_sys->dsi_pack.dsi_gi.vobu_c_idn,
1238 dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
1240 msg_Dbg( p_demux, "cell duration: %lld",
1241 (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
1243 msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1244 p_sys->dsi_pack.sml_pbi.category,
1245 p_sys->dsi_pack.sml_pbi.ilvu_ea,
1246 p_sys->dsi_pack.sml_pbi.ilvu_sa,
1247 p_sys->dsi_pack.sml_pbi.size );
1249 msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1250 p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
1251 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
1252 p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
1256 /*****************************************************************************
1258 *****************************************************************************/
1259 static void DvdReadFindCell( demux_t *p_demux )
1261 demux_sys_t *p_sys = p_demux->p_sys;
1267 #define cell p_sys->p_cur_pgc->cell_playback
1269 if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
1271 p_sys->i_cur_cell += p_sys->i_angle - 1;
1273 while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
1277 p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
1281 p_sys->i_next_cell = p_sys->i_cur_cell + 1;
1286 if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
1288 pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
1289 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
1290 pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
1291 p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
1292 p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
1294 if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
1298 if( p_sys->i_chapter < p_sys->i_chapters &&
1299 p_demux->info.i_seekpoint != p_sys->i_chapter )
1301 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1302 p_demux->info.i_seekpoint = p_sys->i_chapter;
1307 /*****************************************************************************
1308 * DemuxTitles: get the titles/chapters structure
1309 *****************************************************************************/
1310 static void DemuxTitles( demux_t *p_demux, int *pi_angle )
1312 VLC_UNUSED( pi_angle );
1314 demux_sys_t *p_sys = p_demux->p_sys;
1318 /* Find out number of titles/chapters */
1319 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1321 int32_t i_titles = tt_srpt->nr_of_srpts;
1322 msg_Dbg( p_demux, "number of titles: %d", i_titles );
1324 for( int i = 0; i < i_titles; i++ )
1326 int32_t i_chapters = 0;
1329 i_chapters = tt_srpt->title[i].nr_of_ptts;
1330 msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
1332 t = vlc_input_title_New();
1334 for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1336 s = vlc_seekpoint_New();
1337 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1340 TAB_APPEND( p_sys->i_titles, p_sys->titles, t );