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/mpeg/pes.h"
52 #include "../demux/mpeg/ps.h"
54 #include <sys/types.h>
57 #include <dvdread/dvd_reader.h>
58 #include <dvdread/ifo_types.h>
59 #include <dvdread/ifo_read.h>
60 #include <dvdread/nav_read.h>
61 #include <dvdread/nav_print.h>
65 /*****************************************************************************
67 *****************************************************************************/
68 #define ANGLE_TEXT N_("DVD angle")
69 #define ANGLE_LONGTEXT N_( \
70 "Default DVD angle." )
72 static int Open ( vlc_object_t
* );
73 static void Close( vlc_object_t
* );
76 set_shortname( N_("DVD without menus") )
77 set_description( N_("DVDRead Input (no menu support)") )
78 set_category( CAT_INPUT
)
79 set_subcategory( SUBCAT_INPUT_ACCESS
)
80 add_integer( "dvdread-angle", 1, ANGLE_TEXT
,
81 ANGLE_LONGTEXT
, false )
82 add_obsolete_string( "dvdread-css-method" ) /* obsolete since 1.1.0 */
83 set_capability( "access_demux", 0 )
84 add_shortcut( "dvd", "dvdread", "dvdsimple" )
85 set_callbacks( Open
, Close
)
88 /* how many blocks DVDRead will read in each loop */
89 #define DVD_BLOCK_READ_ONCE 4
91 /*****************************************************************************
93 *****************************************************************************/
98 dvd_reader_t
*p_dvdread
;
101 ifo_handle_t
*p_vmg_file
;
102 ifo_handle_t
*p_vts_file
;
106 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_filepath
|| !*p_demux
->psz_filepath
)
172 psz_file
= var_InheritString( p_this
, "dvd" );
174 psz_file
= strdup( p_demux
->psz_filepath
);
176 #if defined( _WIN32 ) || defined( __OS2__ )
177 if( psz_file
!= NULL
)
179 size_t flen
= strlen( psz_file
);
180 if( flen
> 0 && psz_file
[flen
- 1] == '\\' )
181 psz_file
[flen
- 1] = '\0';
184 psz_file
= strdup("");
186 if( unlikely(psz_file
== NULL
) )
190 const char *psz_path
= ToLocale( psz_file
);
191 dvd_reader_t
*p_dvdread
= DVDOpen( psz_path
);
193 LocaleFree( psz_path
);
194 if( p_dvdread
== NULL
)
196 msg_Err( p_demux
, "DVDRead cannot open source: %s", psz_file
);
197 vlc_dialog_display_error( p_demux
, _("Playback failure"),
198 _("DVDRead could not open the disc \"%s\"."), psz_file
);
204 /* Ifo allocation & initialisation */
205 if( !( p_vmg_file
= ifoOpen( p_dvdread
, 0 ) ) )
208 if( DVDUDFVolumeInfo( p_dvdread
, rgsz_volid
, 32, NULL
, 0 ) )
210 if( DVDISOVolumeInfo( p_dvdread
, rgsz_volid
, 32, NULL
, 0 ) == 0 )
212 vlc_dialog_display_error( p_demux
, _("Playback failure"),
213 _("Cannot play a non-UDF mastered DVD." ) );
214 msg_Err( p_demux
, "Invalid UDF DVD. (Found ISO9660 '%s')", rgsz_volid
);
217 msg_Warn( p_demux
, "cannot open VMG info" );
220 msg_Dbg( p_demux
, "VMG opened" );
222 /* Fill p_demux field */
223 DEMUX_INIT_COMMON(); p_sys
= p_demux
->p_sys
;
225 ps_track_init( p_sys
->tk
);
226 p_sys
->i_sar_num
= 0;
227 p_sys
->i_sar_den
= 0;
228 p_sys
->i_title_cur_time
= (mtime_t
) 0;
229 p_sys
->i_cell_cur_time
= (mtime_t
) 0;
230 p_sys
->i_cell_duration
= (mtime_t
) 0;
232 p_sys
->p_dvdread
= p_dvdread
;
233 p_sys
->p_vmg_file
= p_vmg_file
;
234 p_sys
->p_title
= NULL
;
235 p_sys
->p_vts_file
= NULL
;
237 p_sys
->i_title
= p_sys
->i_chapter
= -1;
238 p_sys
->cur_title
= p_sys
->cur_chapter
= 0;
239 p_sys
->i_mux_rate
= 0;
241 p_sys
->i_angle
= var_CreateGetInteger( p_demux
, "dvdread-angle" );
242 if( p_sys
->i_angle
<= 0 ) p_sys
->i_angle
= 1;
244 DemuxTitles( p_demux
, &p_sys
->i_angle
);
245 if( DvdReadSetArea( p_demux
, 0, 0, p_sys
->i_angle
) != VLC_SUCCESS
)
247 msg_Err( p_demux
, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
256 /*****************************************************************************
258 *****************************************************************************/
259 static void Close( vlc_object_t
*p_this
)
261 demux_t
*p_demux
= (demux_t
*)p_this
;
262 demux_sys_t
*p_sys
= p_demux
->p_sys
;
264 for( int i
= 0; i
< PS_TK_COUNT
; i
++ )
266 ps_track_t
*tk
= &p_sys
->tk
[i
];
267 if( tk
->b_configured
)
269 es_format_Clean( &tk
->fmt
);
270 if( tk
->es
) es_out_Del( p_demux
->out
, tk
->es
);
274 /* Free the array of titles */
275 for( int i
= 0; i
< p_sys
->i_titles
; i
++ )
276 vlc_input_title_Delete( p_sys
->titles
[i
] );
277 TAB_CLEAN( p_sys
->i_titles
, p_sys
->titles
);
279 /* Close libdvdread */
280 if( p_sys
->p_title
) DVDCloseFile( p_sys
->p_title
);
281 if( p_sys
->p_vts_file
) ifoClose( p_sys
->p_vts_file
);
282 if( p_sys
->p_vmg_file
) ifoClose( p_sys
->p_vmg_file
);
283 DVDClose( p_sys
->p_dvdread
);
288 static int64_t dvdtime_to_time( dvd_time_t
*dtime
, uint8_t still_time
)
290 /* Macro to convert Binary Coded Decimal to Decimal */
291 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
294 int64_t i_micro_second
= 0;
296 if (still_time
== 0 || still_time
== 0xFF)
298 i_micro_second
+= (int64_t)(BCD2D(dtime
->hour
)) * 60 * 60 * 1000000;
299 i_micro_second
+= (int64_t)(BCD2D(dtime
->minute
)) * 60 * 1000000;
300 i_micro_second
+= (int64_t)(BCD2D(dtime
->second
)) * 1000000;
302 switch((dtime
->frame_u
& 0xc0) >> 6)
314 f_ms
= BCD2D(dtime
->frame_u
&0x3f) * 1000.0 / f_fps
;
315 i_micro_second
+= (int64_t)(f_ms
* 1000.0);
319 i_micro_second
= still_time
;
320 i_micro_second
= (int64_t)((double)i_micro_second
* 1000000.0);
323 return i_micro_second
;
326 /*****************************************************************************
328 *****************************************************************************/
329 static int Control( demux_t
*p_demux
, int i_query
, va_list args
)
331 demux_sys_t
*p_sys
= p_demux
->p_sys
;
335 input_title_t
***ppp_title
;
341 case DEMUX_GET_POSITION
:
343 pf
= va_arg( args
, double * );
345 if( p_sys
->i_title_blocks
> 0 )
346 *pf
= (double)p_sys
->i_title_offset
/ p_sys
->i_title_blocks
;
352 case DEMUX_SET_POSITION
:
354 f
= va_arg( args
, double );
356 DvdReadSeek( p_demux
, f
* p_sys
->i_title_blocks
);
361 pi64
= va_arg( args
, int64_t * );
362 if( p_sys
->cur_title
>= 0 && p_sys
->cur_title
< p_sys
->i_titles
)
364 *pi64
= (int64_t) dvdtime_to_time( &p_sys
->p_cur_pgc
->playback_time
, 0 ) /
365 p_sys
->i_title_blocks
* p_sys
->i_title_offset
;
371 case DEMUX_GET_LENGTH
:
372 pi64
= va_arg( args
, int64_t * );
373 if( p_sys
->cur_title
>= 0 && p_sys
->cur_title
< p_sys
->i_titles
)
375 *pi64
= (int64_t)dvdtime_to_time( &p_sys
->p_cur_pgc
->playback_time
, 0 );
381 /* Special for access_demux */
382 case DEMUX_CAN_PAUSE
:
384 case DEMUX_CAN_CONTROL_PACE
:
386 pb
= va_arg( args
, bool * );
390 case DEMUX_SET_PAUSE_STATE
:
393 case DEMUX_GET_TITLE_INFO
:
394 ppp_title
= va_arg( args
, input_title_t
*** );
395 pi_int
= va_arg( args
, int * );
396 *va_arg( args
, int * ) = 1; /* Title offset */
397 *va_arg( args
, int * ) = 1; /* Chapter offset */
399 /* Duplicate title infos */
400 *pi_int
= p_sys
->i_titles
;
401 *ppp_title
= vlc_alloc( p_sys
->i_titles
, sizeof(input_title_t
*) );
402 for( i
= 0; i
< p_sys
->i_titles
; i
++ )
404 (*ppp_title
)[i
] = vlc_input_title_Duplicate(p_sys
->titles
[i
]);
408 case DEMUX_SET_TITLE
:
409 i
= va_arg( args
, int );
410 if( DvdReadSetArea( p_demux
, i
, 0, -1 ) != VLC_SUCCESS
)
412 msg_Warn( p_demux
, "cannot set title/chapter" );
415 p_demux
->info
.i_update
|=
416 INPUT_UPDATE_TITLE
| INPUT_UPDATE_SEEKPOINT
;
417 p_sys
->cur_title
= i
;
418 p_sys
->cur_chapter
= 0;
421 case DEMUX_SET_SEEKPOINT
:
422 i
= va_arg( args
, int );
423 if( DvdReadSetArea( p_demux
, -1, i
, -1 ) != VLC_SUCCESS
)
425 msg_Warn( p_demux
, "cannot set title/chapter" );
428 p_demux
->info
.i_update
|= INPUT_UPDATE_SEEKPOINT
;
429 p_sys
->cur_chapter
= i
;
432 case DEMUX_GET_TITLE
:
433 *va_arg( args
, int * ) = p_sys
->cur_title
;
436 case DEMUX_GET_SEEKPOINT
:
437 *va_arg( args
, int * ) = p_sys
->cur_chapter
;
440 case DEMUX_GET_PTS_DELAY
:
441 pi64
= va_arg( args
, int64_t * );
443 INT64_C(1000) * var_InheritInteger( p_demux
, "disc-caching" );
446 /* TODO implement others */
452 /*****************************************************************************
454 *****************************************************************************/
455 static int Demux( demux_t
*p_demux
)
457 demux_sys_t
*p_sys
= p_demux
->p_sys
;
459 uint8_t p_buffer
[DVD_VIDEO_LB_LEN
* DVD_BLOCK_READ_ONCE
];
460 int i_blocks_once
, i_read
;
463 * Playback by cell in this pgc, starting at the cell for our chapter.
467 * Check end of pack, and select the following one
469 if( !p_sys
->i_pack_len
)
471 /* Read NAV packet */
472 if( DVDReadBlocks( p_sys
->p_title
, p_sys
->i_next_vobu
,
475 msg_Err( p_demux
, "read failed for block %d", p_sys
->i_next_vobu
);
476 vlc_dialog_display_error( p_demux
, _("Playback failure"),
477 _("DVDRead could not read block %d."),
478 p_sys
->i_next_vobu
);
482 /* Basic check to be sure we don't have a empty title
483 * go to next title if so */
484 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
486 /* Parse the contained dsi packet */
487 DvdReadHandleDSI( p_demux
, p_buffer
);
490 if( p_sys
->i_cur_cell
>= p_sys
->p_cur_pgc
->nr_of_cells
)
492 int k
= p_sys
->i_title
;
494 /* Looking for a not broken title */
495 while( k
< p_sys
->i_titles
&& DvdReadSetArea( p_demux
, ++k
, 0, -1 ) != VLC_SUCCESS
)
497 msg_Err(p_demux
, "Failed next title, trying another: %i", k
);
498 if( k
>= p_sys
->i_titles
)
503 if( p_sys
->i_pack_len
>= 1024 )
505 msg_Err( p_demux
, "i_pack_len >= 1024 (%i). "
506 "This shouldn't happen!", p_sys
->i_pack_len
);
510 /* FIXME: Ugly kludge: we send the pack block to the input for it
511 * sometimes has a zero scr and restart the sync */
512 p_sys
->i_cur_block
++;
513 p_sys
->i_title_offset
++;
515 DemuxBlock( p_demux
, p_buffer
, DVD_VIDEO_LB_LEN
);
518 if( p_sys
->i_cur_cell
>= p_sys
->p_cur_pgc
->nr_of_cells
)
520 int k
= p_sys
->i_title
;
522 /* Looking for a not broken title */
523 while( k
< p_sys
->i_titles
&& DvdReadSetArea( p_demux
, ++k
, 0, -1 ) != VLC_SUCCESS
)
525 msg_Err(p_demux
, "Failed next title, trying another: %i", k
);
526 if( k
>= p_sys
->i_titles
)
534 i_blocks_once
= __MIN( p_sys
->i_pack_len
, DVD_BLOCK_READ_ONCE
);
535 p_sys
->i_pack_len
-= i_blocks_once
;
538 i_read
= DVDReadBlocks( p_sys
->p_title
, p_sys
->i_cur_block
,
539 i_blocks_once
, p_buffer
);
540 if( i_read
!= i_blocks_once
)
542 msg_Err( p_demux
, "read failed for %d/%d blocks at 0x%02x",
543 i_read
, i_blocks_once
, p_sys
->i_cur_block
);
544 vlc_dialog_display_error( p_demux
, _("Playback failure"),
545 _("DVDRead could not read %d/%d blocks at 0x%02x."),
546 i_read
, i_blocks_once
, p_sys
->i_cur_block
);
550 p_sys
->i_cur_block
+= i_read
;
551 p_sys
->i_title_offset
+= i_read
;
554 msg_Dbg( p_demux
, "i_blocks: %d len: %d current: 0x%02x",
555 i_read
, p_sys
->i_pack_len
, p_sys
->i_cur_block
);
558 for( int i
= 0; i
< i_read
; i
++ )
560 DemuxBlock( p_demux
, p_buffer
+ i
* DVD_VIDEO_LB_LEN
,
569 /*****************************************************************************
570 * DemuxBlock: demux a given block
571 *****************************************************************************/
572 static int DemuxBlock( demux_t
*p_demux
, const uint8_t *p
, int len
)
574 demux_sys_t
*p_sys
= p_demux
->p_sys
;
578 int i_size
= ps_pkt_size( p
, len
);
579 if( i_size
<= 0 || i_size
> len
)
585 block_t
*p_pkt
= block_Alloc( i_size
);
586 memcpy( p_pkt
->p_buffer
, p
, i_size
);
588 /* Parse it and send it */
589 switch( 0x100 | p
[3] )
598 msg_Warn( p_demux
, "received a PSM packet" );
600 else if( p
[3] == 0xbb )
602 msg_Warn( p_demux
, "received a SYSTEM packet" );
605 block_Release( p_pkt
);
612 if( !ps_pkt_parse_pack( p_pkt
, &i_scr
, &i_mux_rate
) )
614 es_out_SetPCR( p_demux
->out
, i_scr
);
615 if( i_mux_rate
> 0 ) p_sys
->i_mux_rate
= i_mux_rate
;
617 block_Release( p_pkt
);
622 int i_id
= ps_pkt_id( p_pkt
);
625 ps_track_t
*tk
= &p_sys
->tk
[ps_id_to_tk(i_id
)];
627 if( !tk
->b_configured
)
629 ESNew( p_demux
, i_id
, 0 );
632 !ps_pkt_parse_pes( VLC_OBJECT(p_demux
), p_pkt
, tk
->i_skip
) )
634 es_out_Send( p_demux
->out
, tk
->es
, p_pkt
);
638 block_Release( p_pkt
);
643 block_Release( p_pkt
);
656 /*****************************************************************************
657 * ESNew: register a new elementary stream
658 *****************************************************************************/
659 static void ESNew( demux_t
*p_demux
, int i_id
, int i_lang
)
661 demux_sys_t
*p_sys
= p_demux
->p_sys
;
662 ps_track_t
*tk
= &p_sys
->tk
[ps_id_to_tk(i_id
)];
663 char psz_language
[3];
665 if( tk
->b_configured
) return;
667 if( ps_track_fill( tk
, 0, i_id
, NULL
, true ) )
669 msg_Warn( p_demux
, "unknown codec for id=0x%x", i_id
);
673 psz_language
[0] = psz_language
[1] = psz_language
[2] = 0;
674 if( i_lang
&& i_lang
!= 0xffff )
676 psz_language
[0] = (i_lang
>> 8)&0xff;
677 psz_language
[1] = (i_lang
)&0xff;
681 if( tk
->fmt
.i_cat
== VIDEO_ES
)
683 tk
->fmt
.video
.i_sar_num
= p_sys
->i_sar_num
;
684 tk
->fmt
.video
.i_sar_den
= p_sys
->i_sar_den
;
686 else if( tk
->fmt
.i_cat
== AUDIO_ES
)
690 /* find the audio number PLEASE find another way */
691 if( (i_id
&0xbdf8) == 0xbd88 ) /* dts */
695 else if( (i_id
&0xbdf0) == 0xbd80 ) /* a52 */
699 else if( (i_id
&0xbdf0) == 0xbda0 ) /* lpcm */
703 else if( ( i_id
&0xe0 ) == 0xc0 ) /* mpga */
709 if( psz_language
[0] ) tk
->fmt
.psz_language
= strdup( psz_language
);
711 else if( tk
->fmt
.i_cat
== SPU_ES
)
714 tk
->fmt
.subs
.spu
.palette
[0] = SPU_PALETTE_DEFINED
;
715 memcpy( &tk
->fmt
.subs
.spu
.palette
[1], p_sys
->clut
,
716 16 * sizeof( uint32_t ) );
718 if( psz_language
[0] ) tk
->fmt
.psz_language
= strdup( psz_language
);
721 tk
->es
= es_out_Add( p_demux
->out
, &tk
->fmt
);
722 tk
->b_configured
= true;
725 /*****************************************************************************
726 * DvdReadSetArea: initialize input data for title x, chapter y.
727 * It should be called for each user navigation request.
728 *****************************************************************************
729 * Take care that i_title and i_chapter start from 0.
730 *****************************************************************************/
731 static int DvdReadSetArea( demux_t
*p_demux
, int i_title
, int i_chapter
,
734 VLC_UNUSED( i_angle
);
736 demux_sys_t
*p_sys
= p_demux
->p_sys
;
737 int pgc_id
= 0, pgn
= 0;
739 #define p_pgc p_sys->p_cur_pgc
740 #define p_vmg p_sys->p_vmg_file
741 #define p_vts p_sys->p_vts_file
743 if( i_title
>= 0 && i_title
< p_sys
->i_titles
&&
744 i_title
!= p_sys
->i_title
)
746 int i_start_cell
, i_end_cell
;
748 if( p_sys
->p_title
!= NULL
)
750 DVDCloseFile( p_sys
->p_title
);
751 p_sys
->p_title
= NULL
;
753 if( p_vts
!= NULL
) ifoClose( p_vts
);
754 p_sys
->i_title
= i_title
;
757 * We have to load all title information
759 msg_Dbg( p_demux
, "open VTS %d, for title %d",
760 p_vmg
->tt_srpt
->title
[i_title
].title_set_nr
, i_title
+ 1 );
763 if( !( p_vts
= ifoOpen( p_sys
->p_dvdread
,
764 p_vmg
->tt_srpt
->title
[i_title
].title_set_nr
) ) )
766 msg_Err( p_demux
, "fatal error in vts ifo" );
770 /* Title position inside the selected vts */
771 p_sys
->i_ttn
= p_vmg
->tt_srpt
->title
[i_title
].vts_ttn
;
773 /* Find title start/end */
774 pgc_id
= p_vts
->vts_ptt_srpt
->title
[p_sys
->i_ttn
- 1].ptt
[0].pgcn
;
775 pgn
= p_vts
->vts_ptt_srpt
->title
[p_sys
->i_ttn
- 1].ptt
[0].pgn
;
776 p_pgc
= p_vts
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
;
778 if( p_pgc
->cell_playback
== NULL
)
780 msg_Err( p_demux
, "Invalid PGC (cell_playback_offset)" );
784 p_sys
->i_title_start_cell
=
785 i_start_cell
= p_pgc
->program_map
[pgn
- 1] - 1;
786 p_sys
->i_title_start_block
=
787 p_pgc
->cell_playback
[i_start_cell
].first_sector
;
789 p_sys
->i_title_end_cell
=
790 i_end_cell
= p_pgc
->nr_of_cells
- 1;
791 p_sys
->i_title_end_block
=
792 p_pgc
->cell_playback
[i_end_cell
].last_sector
;
794 p_sys
->i_title_offset
= 0;
796 p_sys
->i_title_blocks
= 0;
797 for( int i
= i_start_cell
; i
<= i_end_cell
; i
++ )
799 p_sys
->i_title_blocks
+= p_pgc
->cell_playback
[i
].last_sector
-
800 p_pgc
->cell_playback
[i
].first_sector
+ 1;
803 msg_Dbg( p_demux
, "title %d vts_title %d pgc %d pgn %d "
804 "start %d end %d blocks: %d",
805 i_title
+ 1, p_sys
->i_ttn
, pgc_id
, pgn
,
806 p_sys
->i_title_start_block
, p_sys
->i_title_end_block
,
807 p_sys
->i_title_blocks
);
810 * Set properties for current chapter
812 p_sys
->i_chapter
= 0;
814 p_vts
->vts_ptt_srpt
->title
[p_sys
->i_ttn
- 1].nr_of_ptts
;
816 pgc_id
= p_vts
->vts_ptt_srpt
->title
[
817 p_sys
->i_ttn
- 1].ptt
[p_sys
->i_chapter
].pgcn
;
818 pgn
= p_vts
->vts_ptt_srpt
->title
[
819 p_sys
->i_ttn
- 1].ptt
[p_sys
->i_chapter
].pgn
;
821 p_pgc
= p_vts
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
;
822 p_sys
->i_pack_len
= 0;
824 p_sys
->i_cur_cell
= p_pgc
->program_map
[pgn
- 1] - 1;
825 DvdReadFindCell( p_demux
);
827 p_sys
->i_next_vobu
= p_sys
->i_cur_block
=
828 p_pgc
->cell_playback
[p_sys
->i_cur_cell
].first_sector
;
833 p_sys
->i_angles
= p_vmg
->tt_srpt
->title
[i_title
].nr_of_angles
;
834 if( p_sys
->i_angle
> p_sys
->i_angles
) p_sys
->i_angle
= 1;
837 * We've got enough info, time to open the title set data.
839 if( !( p_sys
->p_title
= DVDOpenFile( p_sys
->p_dvdread
,
840 p_vmg
->tt_srpt
->title
[i_title
].title_set_nr
,
841 DVD_READ_TITLE_VOBS
) ) )
843 msg_Err( p_demux
, "cannot open title (VTS_%02d_1.VOB)",
844 p_vmg
->tt_srpt
->title
[i_title
].title_set_nr
);
848 //IfoPrintTitle( p_demux );
851 * Destroy obsolete ES by reinitializing program 0
852 * and find all ES in title with ifo data
854 es_out_Control( p_demux
->out
, ES_OUT_RESET_PCR
);
856 for( int i
= 0; i
< PS_TK_COUNT
; i
++ )
858 ps_track_t
*tk
= &p_sys
->tk
[i
];
859 if( tk
->b_configured
)
861 es_format_Clean( &tk
->fmt
);
862 if( tk
->es
) es_out_Del( p_demux
->out
, tk
->es
);
864 tk
->b_configured
= false;
867 if( p_sys
->cur_title
!= i_title
)
869 p_demux
->info
.i_update
|=
870 INPUT_UPDATE_TITLE
| INPUT_UPDATE_SEEKPOINT
;
871 p_sys
->cur_title
= i_title
;
872 p_sys
->cur_chapter
= 0;
875 /* TODO: re-add angles */
878 ESNew( p_demux
, 0xe0, 0 ); /* Video, FIXME ? */
879 const video_attr_t
*p_attr
= &p_vts
->vtsi_mat
->vts_video_attr
;
880 int i_video_height
= p_attr
->video_format
!= 0 ? 576 : 480;
882 switch( p_attr
->picture_size
)
899 switch( p_attr
->display_aspect_ratio
)
902 p_sys
->i_sar_num
= 4 * i_video_height
;
903 p_sys
->i_sar_den
= 3 * i_video_width
;
906 p_sys
->i_sar_num
= 16 * i_video_height
;
907 p_sys
->i_sar_den
= 9 * i_video_width
;
910 p_sys
->i_sar_num
= 0;
911 p_sys
->i_sar_den
= 0;
915 #define audio_control \
916 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
918 /* Audio ES, in the order they appear in the .ifo */
919 for( int i
= 1; i
<= p_vts
->vtsi_mat
->nr_of_vts_audio_streams
; i
++ )
924 //IfoPrintAudio( p_demux, i );
926 /* Audio channel is active if first byte is 0x80 */
927 if( audio_control
& 0x8000 )
929 i_position
= ( audio_control
& 0x7F00 ) >> 8;
931 msg_Dbg( p_demux
, "audio position %d", i_position
);
932 switch( p_vts
->vtsi_mat
->vts_audio_attr
[i
- 1].audio_format
)
935 i_id
= (0x80 + i_position
) | 0xbd00;
938 case 0x03: /* MPEG audio */
939 i_id
= 0xc000 + i_position
;
941 case 0x04: /* LPCM */
942 i_id
= (0xa0 + i_position
) | 0xbd00;
945 i_id
= (0x88 + i_position
) | 0xbd00;
949 msg_Err( p_demux
, "unknown audio type %.2x",
950 p_vts
->vtsi_mat
->vts_audio_attr
[i
- 1].audio_format
);
953 ESNew( p_demux
, i_id
, p_sys
->p_vts_file
->vtsi_mat
->
954 vts_audio_attr
[i
- 1].lang_code
);
959 #define spu_palette \
960 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
962 memcpy( p_sys
->clut
, spu_palette
, 16 * sizeof( uint32_t ) );
964 #define spu_control \
965 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
968 for( int i
= 1; i
<= p_vts
->vtsi_mat
->nr_of_vts_subp_streams
; i
++ )
973 //IfoPrintSpu( p_sys, i );
974 msg_Dbg( p_demux
, "spu %d 0x%02x", i
, spu_control
);
976 if( spu_control
& 0x80000000 )
978 /* there are several streams for one spu */
979 if( p_vts
->vtsi_mat
->vts_video_attr
.display_aspect_ratio
)
982 switch( p_vts
->vtsi_mat
->vts_video_attr
.permitted_df
)
984 case 1: /* letterbox */
985 i_position
= spu_control
& 0xff;
987 case 2: /* pan&scan */
988 i_position
= ( spu_control
>> 8 ) & 0xff;
990 default: /* widescreen */
991 i_position
= ( spu_control
>> 16 ) & 0xff;
998 i_position
= ( spu_control
>> 24 ) & 0x7F;
1001 i_id
= (0x20 + i_position
) | 0xbd00;
1003 ESNew( p_demux
, i_id
, p_sys
->p_vts_file
->vtsi_mat
->
1004 vts_subp_attr
[i
- 1].lang_code
);
1010 else if( i_title
!= -1 && i_title
!= p_sys
->i_title
)
1013 return VLC_EGENERIC
; /* Couldn't set title */
1020 if( i_chapter
>= 0 && i_chapter
< p_sys
->i_chapters
)
1022 pgc_id
= p_vts
->vts_ptt_srpt
->title
[
1023 p_sys
->i_ttn
- 1].ptt
[i_chapter
].pgcn
;
1024 pgn
= p_vts
->vts_ptt_srpt
->title
[
1025 p_sys
->i_ttn
- 1].ptt
[i_chapter
].pgn
;
1027 p_pgc
= p_vts
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
;
1028 if( p_pgc
->cell_playback
== NULL
)
1029 return VLC_EGENERIC
; /* Couldn't set chapter */
1031 p_sys
->i_cur_cell
= p_pgc
->program_map
[pgn
- 1] - 1;
1032 p_sys
->i_chapter
= i_chapter
;
1033 DvdReadFindCell( p_demux
);
1035 p_sys
->i_title_offset
= 0;
1036 for( int i
= p_sys
->i_title_start_cell
; i
< p_sys
->i_cur_cell
; i
++ )
1038 p_sys
->i_title_offset
+= p_pgc
->cell_playback
[i
].last_sector
-
1039 p_pgc
->cell_playback
[i
].first_sector
+ 1;
1042 p_sys
->i_pack_len
= 0;
1043 p_sys
->i_next_vobu
= p_sys
->i_cur_block
=
1044 p_pgc
->cell_playback
[p_sys
->i_cur_cell
].first_sector
;
1046 if( p_sys
->cur_chapter
!= i_chapter
)
1048 p_demux
->info
.i_update
|= INPUT_UPDATE_SEEKPOINT
;
1049 p_sys
->cur_chapter
= i_chapter
;
1052 else if( i_chapter
!= -1 )
1055 return VLC_EGENERIC
; /* Couldn't set chapter */
1065 /*****************************************************************************
1066 * DvdReadSeek : Goes to a given position on the stream.
1067 *****************************************************************************
1068 * This one is used by the input and translate chronological position from
1069 * input to logical position on the device.
1070 *****************************************************************************/
1071 static void DvdReadSeek( demux_t
*p_demux
, int i_block_offset
)
1073 demux_sys_t
*p_sys
= p_demux
->p_sys
;
1080 #define p_pgc p_sys->p_cur_pgc
1081 #define p_vts p_sys->p_vts_file
1084 i_block
= i_block_offset
;
1085 for( i_cell
= p_sys
->i_title_start_cell
;
1086 i_cell
<= p_sys
->i_title_end_cell
; i_cell
++ )
1088 if( i_block
< (int)p_pgc
->cell_playback
[i_cell
].last_sector
-
1089 (int)p_pgc
->cell_playback
[i_cell
].first_sector
+ 1 ) break;
1091 i_block
-= (p_pgc
->cell_playback
[i_cell
].last_sector
-
1092 p_pgc
->cell_playback
[i_cell
].first_sector
+ 1);
1094 if( i_cell
> p_sys
->i_title_end_cell
)
1096 msg_Err( p_demux
, "couldn't find cell for block %i", i_block_offset
);
1099 i_block
+= p_pgc
->cell_playback
[i_cell
].first_sector
;
1100 p_sys
->i_title_offset
= i_block_offset
;
1103 for( i_chapter
= 0; i_chapter
< p_sys
->i_chapters
; i_chapter
++ )
1105 int pgc_id
, pgn
, i_tmp
;
1107 pgc_id
= p_vts
->vts_ptt_srpt
->title
[
1108 p_sys
->i_ttn
- 1].ptt
[i_chapter
].pgcn
;
1109 pgn
= p_vts
->vts_ptt_srpt
->title
[
1110 p_sys
->i_ttn
- 1].ptt
[i_chapter
].pgn
;
1112 i_tmp
= p_vts
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
->program_map
[pgn
-1];
1114 if( i_tmp
> i_cell
) break;
1117 if( i_chapter
< p_sys
->i_chapters
&&
1118 p_sys
->cur_chapter
!= i_chapter
)
1120 p_demux
->info
.i_update
|= INPUT_UPDATE_SEEKPOINT
;
1121 p_sys
->cur_chapter
= i_chapter
;
1125 while( (int)p_vts
->vts_vobu_admap
->vobu_start_sectors
[i_vobu
] <= i_block
)
1131 while( p_vts
->vts_c_adt
->cell_adr_table
[i_sub_cell
].start_sector
<
1132 p_vts
->vts_vobu_admap
->vobu_start_sectors
[i_vobu
-1] )
1138 msg_Dbg( p_demux
, "cell %d i_sub_cell %d chapter %d vobu %d "
1139 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1140 i_cell
, i_sub_cell
, i_chapter
, i_vobu
,
1141 p_sys
->p_cur_pgc
->cell_playback
[i_cell
].first_sector
,
1142 p_vts
->vts_vobu_admap
->vobu_start_sectors
[i_vobu
],
1143 p_vts
->vts_c_adt
->cell_adr_table
[i_sub_cell
- 1].start_sector
);
1146 p_sys
->i_cur_block
= i_block
;
1147 p_sys
->i_next_vobu
= p_vts
->vts_vobu_admap
->vobu_start_sectors
[i_vobu
];
1148 p_sys
->i_pack_len
= p_sys
->i_next_vobu
- i_block
;
1149 p_sys
->i_cur_cell
= i_cell
;
1150 p_sys
->i_chapter
= i_chapter
;
1151 DvdReadFindCell( p_demux
);
1159 /*****************************************************************************
1161 *****************************************************************************/
1162 static void DvdReadHandleDSI( demux_t
*p_demux
, uint8_t *p_data
)
1164 demux_sys_t
*p_sys
= p_demux
->p_sys
;
1166 navRead_DSI( &p_sys
->dsi_pack
, &p_data
[DSI_START_BYTE
] );
1169 * Determine where we go next. These values are the ones we mostly
1172 p_sys
->i_cur_block
= p_sys
->dsi_pack
.dsi_gi
.nv_pck_lbn
;
1173 p_sys
->i_pack_len
= p_sys
->dsi_pack
.dsi_gi
.vobu_ea
;
1176 * Store the timecodes so we can get the current time
1178 p_sys
->i_title_cur_time
= (mtime_t
) p_sys
->dsi_pack
.dsi_gi
.nv_pck_scr
/ 90 * 1000;
1179 p_sys
->i_cell_cur_time
= (mtime_t
) dvdtime_to_time( &p_sys
->dsi_pack
.dsi_gi
.c_eltm
, 0 );
1182 * If we're not at the end of this cell, we can determine the next
1183 * VOBU to display using the VOBU_SRI information section of the
1184 * DSI. Using this value correctly follows the current angle,
1185 * avoiding the doubled scenes in The Matrix, and makes our life
1189 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1190 ( p_sys
->dsi_pack
.vobu_sri
.next_vobu
& 0x7fffffff );
1192 if( p_sys
->dsi_pack
.vobu_sri
.next_vobu
!= SRI_END_OF_CELL
1193 && p_sys
->i_angle
> 1 )
1195 switch( ( p_sys
->dsi_pack
.sml_pbi
.category
& 0xf000 ) >> 12 )
1198 /* Interleaved unit with no angle */
1199 if( p_sys
->dsi_pack
.sml_pbi
.ilvu_sa
!= 0 )
1201 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1202 p_sys
->dsi_pack
.sml_pbi
.ilvu_sa
;
1203 p_sys
->i_pack_len
= p_sys
->dsi_pack
.sml_pbi
.ilvu_ea
;
1207 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1208 p_sys
->dsi_pack
.dsi_gi
.vobu_ea
+ 1;
1212 /* vobu is end of ilvu */
1213 if( p_sys
->dsi_pack
.sml_agli
.data
[p_sys
->i_angle
-1].address
)
1215 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1216 p_sys
->dsi_pack
.sml_agli
.data
[p_sys
->i_angle
-1].address
;
1217 p_sys
->i_pack_len
= p_sys
->dsi_pack
.sml_pbi
.ilvu_ea
;
1223 /* vobu is beginning of ilvu */
1227 /* entering interleaved section */
1229 /* non interleaved cells in interleaved section */
1231 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1232 ( p_sys
->dsi_pack
.vobu_sri
.next_vobu
& 0x7fffffff );
1236 else if( p_sys
->dsi_pack
.vobu_sri
.next_vobu
== SRI_END_OF_CELL
)
1238 p_sys
->i_cur_cell
= p_sys
->i_next_cell
;
1241 if( p_sys
->i_cur_cell
>= p_sys
->p_cur_pgc
->nr_of_cells
) return;
1243 DvdReadFindCell( p_demux
);
1245 p_sys
->i_next_vobu
=
1246 p_sys
->p_cur_pgc
->cell_playback
[p_sys
->i_cur_cell
].first_sector
;
1248 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 );
1253 msg_Dbg( p_demux
, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1254 p_sys
->dsi_pack
.dsi_gi
.nv_pck_scr
,
1255 p_sys
->dsi_pack
.dsi_gi
.nv_pck_lbn
,
1256 p_sys
->dsi_pack
.dsi_gi
.vobu_ea
,
1257 p_sys
->dsi_pack
.dsi_gi
.vobu_vob_idn
,
1258 p_sys
->dsi_pack
.dsi_gi
.vobu_c_idn
,
1259 dvdtime_to_time( &p_sys
->dsi_pack
.dsi_gi
.c_eltm
, 0 ) );
1261 msg_Dbg( p_demux
, "cell duration: %lld",
1262 (mtime_t
)dvdtime_to_time( &p_sys
->p_cur_pgc
->cell_playback
[p_sys
->i_cur_cell
].playback_time
, 0 ) );
1264 msg_Dbg( p_demux
, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1265 p_sys
->dsi_pack
.sml_pbi
.category
,
1266 p_sys
->dsi_pack
.sml_pbi
.ilvu_ea
,
1267 p_sys
->dsi_pack
.sml_pbi
.ilvu_sa
,
1268 p_sys
->dsi_pack
.sml_pbi
.size
);
1270 msg_Dbg( p_demux
, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1271 p_sys
->dsi_pack
.vobu_sri
.next_vobu
& 0x7fffffff,
1272 p_sys
->dsi_pack
.sml_agli
.data
[ p_sys
->i_angle
- 1 ].address
,
1273 p_sys
->dsi_pack
.sml_agli
.data
[ p_sys
->i_angle
].address
);
1277 /*****************************************************************************
1279 *****************************************************************************/
1280 static void DvdReadFindCell( demux_t
*p_demux
)
1282 demux_sys_t
*p_sys
= p_demux
->p_sys
;
1288 #define cell p_sys->p_cur_pgc->cell_playback
1290 if( cell
[p_sys
->i_cur_cell
].block_type
== BLOCK_TYPE_ANGLE_BLOCK
)
1292 p_sys
->i_cur_cell
+= p_sys
->i_angle
- 1;
1294 while( cell
[p_sys
->i_cur_cell
+i
].block_mode
!= BLOCK_MODE_LAST_CELL
)
1298 p_sys
->i_next_cell
= p_sys
->i_cur_cell
+ i
+ 1;
1302 p_sys
->i_next_cell
= p_sys
->i_cur_cell
+ 1;
1307 if( p_sys
->i_chapter
+ 1 >= p_sys
->i_chapters
) return;
1309 pgc_id
= p_sys
->p_vts_file
->vts_ptt_srpt
->title
[
1310 p_sys
->i_ttn
- 1].ptt
[p_sys
->i_chapter
+ 1].pgcn
;
1311 pgn
= p_sys
->p_vts_file
->vts_ptt_srpt
->title
[
1312 p_sys
->i_ttn
- 1].ptt
[p_sys
->i_chapter
+ 1].pgn
;
1313 p_pgc
= p_sys
->p_vts_file
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
;
1315 if( p_sys
->i_cur_cell
>= p_pgc
->program_map
[pgn
- 1] - 1 )
1319 if( p_sys
->i_chapter
< p_sys
->i_chapters
&&
1320 p_sys
->cur_chapter
!= p_sys
->i_chapter
)
1322 p_demux
->info
.i_update
|= INPUT_UPDATE_SEEKPOINT
;
1323 p_sys
->cur_chapter
= p_sys
->i_chapter
;
1328 /*****************************************************************************
1329 * DemuxTitles: get the titles/chapters structure
1330 *****************************************************************************/
1331 static void DemuxTitles( demux_t
*p_demux
, int *pi_angle
)
1333 VLC_UNUSED( pi_angle
);
1335 demux_sys_t
*p_sys
= p_demux
->p_sys
;
1339 /* Find out number of titles/chapters */
1340 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1342 int32_t i_titles
= tt_srpt
->nr_of_srpts
;
1343 msg_Dbg( p_demux
, "number of titles: %d", i_titles
);
1345 for( int i
= 0; i
< i_titles
; i
++ )
1347 int32_t i_chapters
= 0;
1350 i_chapters
= tt_srpt
->title
[i
].nr_of_ptts
;
1351 msg_Dbg( p_demux
, "title %d has %d chapters", i
, i_chapters
);
1353 t
= vlc_input_title_New();
1355 for( j
= 0; j
< __MAX( i_chapters
, 1 ); j
++ )
1357 s
= vlc_seekpoint_New();
1358 TAB_APPEND( t
->i_seekpoint
, t
->seekpoint
, s
);
1361 TAB_APPEND( p_sys
->i_titles
, p_sys
->titles
, t
);