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"
53 #include <sys/types.h>
56 #include <dvdread/dvd_reader.h>
57 #include <dvdread/ifo_types.h>
58 #include <dvdread/ifo_read.h>
59 #include <dvdread/nav_read.h>
60 #include <dvdread/nav_print.h>
64 /*****************************************************************************
66 *****************************************************************************/
67 #define ANGLE_TEXT N_("DVD angle")
68 #define ANGLE_LONGTEXT N_( \
69 "Default DVD angle." )
71 static int Open ( vlc_object_t
* );
72 static void Close( vlc_object_t
* );
75 set_shortname( N_("DVD without menus") )
76 set_description( N_("DVDRead Input (no menu support)") )
77 set_category( CAT_INPUT
)
78 set_subcategory( SUBCAT_INPUT_ACCESS
)
79 add_integer( "dvdread-angle", 1, ANGLE_TEXT
,
80 ANGLE_LONGTEXT
, false )
81 add_obsolete_string( "dvdread-css-method" ) /* obsolete since 1.1.0 */
82 set_capability( "access_demux", 0 )
83 add_shortcut( "dvd", "dvdread", "dvdsimple" )
84 set_callbacks( Open
, Close
)
87 /* how many blocks DVDRead will read in each loop */
88 #define DVD_BLOCK_READ_ONCE 4
90 /*****************************************************************************
92 *****************************************************************************/
97 dvd_reader_t
*p_dvdread
;
100 ifo_handle_t
*p_vmg_file
;
101 ifo_handle_t
*p_vts_file
;
104 int i_chapter
, i_chapters
;
105 int i_angle
, i_angles
;
107 tt_srpt_t
*p_tt_srpt
;
118 /* Current title start/end blocks */
119 int i_title_start_block
;
120 int i_title_end_block
;
123 mtime_t i_title_cur_time
;
125 int i_title_start_cell
;
126 int i_title_end_cell
;
129 mtime_t i_cell_cur_time
;
130 mtime_t i_cell_duration
;
133 ps_track_t tk
[PS_TK_COUNT
];
136 input_title_t
**titles
;
146 static int Control ( demux_t
*, int, va_list );
147 static int Demux ( demux_t
* );
148 static int DemuxBlock( demux_t
*, const uint8_t *, int );
150 static void DemuxTitles( demux_t
*, int * );
151 static void ESNew( demux_t
*, int, int );
153 static int DvdReadSetArea ( demux_t
*, int, int, int );
154 static void DvdReadSeek ( demux_t
*, int );
155 static void DvdReadHandleDSI( demux_t
*, uint8_t * );
156 static void DvdReadFindCell ( demux_t
* );
158 /*****************************************************************************
160 *****************************************************************************/
161 static int Open( vlc_object_t
*p_this
)
163 demux_t
*p_demux
= (demux_t
*)p_this
;
166 ifo_handle_t
*p_vmg_file
;
168 if( !p_demux
->psz_file
|| !*p_demux
->psz_file
)
170 /* Only when selected */
171 if( !p_demux
->psz_access
|| !*p_demux
->psz_access
)
174 psz_file
= var_InheritString( p_this
, "dvd" );
177 psz_file
= strdup( p_demux
->psz_file
);
179 #if defined( _WIN32 ) || defined( __OS2__ )
180 if( psz_file
!= NULL
)
182 size_t flen
= strlen( psz_file
);
183 if( flen
> 0 && psz_file
[flen
- 1] == '\\' )
184 psz_file
[flen
- 1] = '\0';
187 psz_file
= strdup("");
189 if( unlikely(psz_file
== NULL
) )
193 const char *psz_path
= ToLocale( psz_file
);
194 dvd_reader_t
*p_dvdread
= DVDOpen( psz_path
);
196 LocaleFree( psz_path
);
197 if( p_dvdread
== NULL
)
199 msg_Err( p_demux
, "DVDRead cannot open source: %s", psz_file
);
200 dialog_Fatal( p_demux
, _("Playback failure"),
201 _("DVDRead could not open the disc \"%s\"."), psz_file
);
207 /* Ifo allocation & initialisation */
208 if( !( p_vmg_file
= ifoOpen( p_dvdread
, 0 ) ) )
210 msg_Warn( p_demux
, "cannot open VMG info" );
213 msg_Dbg( p_demux
, "VMG opened" );
215 /* Fill p_demux field */
216 DEMUX_INIT_COMMON(); p_sys
= p_demux
->p_sys
;
218 ps_track_init( p_sys
->tk
);
219 p_sys
->i_sar_num
= 0;
220 p_sys
->i_sar_den
= 0;
221 p_sys
->i_title_cur_time
= (mtime_t
) 0;
222 p_sys
->i_cell_cur_time
= (mtime_t
) 0;
223 p_sys
->i_cell_duration
= (mtime_t
) 0;
225 p_sys
->p_dvdread
= p_dvdread
;
226 p_sys
->p_vmg_file
= p_vmg_file
;
227 p_sys
->p_title
= NULL
;
228 p_sys
->p_vts_file
= NULL
;
230 p_sys
->i_title
= p_sys
->i_chapter
= -1;
231 p_sys
->i_mux_rate
= 0;
233 p_sys
->i_angle
= var_CreateGetInteger( p_demux
, "dvdread-angle" );
234 if( p_sys
->i_angle
<= 0 ) p_sys
->i_angle
= 1;
236 DemuxTitles( p_demux
, &p_sys
->i_angle
);
237 if( DvdReadSetArea( p_demux
, 0, 0, p_sys
->i_angle
) != VLC_SUCCESS
)
239 msg_Err( p_demux
, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
248 /*****************************************************************************
250 *****************************************************************************/
251 static void Close( vlc_object_t
*p_this
)
253 demux_t
*p_demux
= (demux_t
*)p_this
;
254 demux_sys_t
*p_sys
= p_demux
->p_sys
;
257 for( i
= 0; i
< PS_TK_COUNT
; i
++ )
259 ps_track_t
*tk
= &p_sys
->tk
[i
];
262 es_format_Clean( &tk
->fmt
);
263 if( tk
->es
) es_out_Del( p_demux
->out
, tk
->es
);
267 /* Free the array of titles */
268 for( int i
= 0; i
< p_sys
->i_titles
; i
++ )
269 vlc_input_title_Delete( p_sys
->titles
[i
] );
270 TAB_CLEAN( p_sys
->i_titles
, p_sys
->titles
);
272 /* Close libdvdread */
273 if( p_sys
->p_title
) DVDCloseFile( p_sys
->p_title
);
274 if( p_sys
->p_vts_file
) ifoClose( p_sys
->p_vts_file
);
275 if( p_sys
->p_vmg_file
) ifoClose( p_sys
->p_vmg_file
);
276 DVDClose( p_sys
->p_dvdread
);
281 static int64_t dvdtime_to_time( dvd_time_t
*dtime
, uint8_t still_time
)
283 /* Macro to convert Binary Coded Decimal to Decimal */
284 #define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
287 int64_t i_micro_second
= 0;
289 if (still_time
== 0 || still_time
== 0xFF)
291 i_micro_second
+= (int64_t)(BCD2D(dtime
->hour
)) * 60 * 60 * 1000000;
292 i_micro_second
+= (int64_t)(BCD2D(dtime
->minute
)) * 60 * 1000000;
293 i_micro_second
+= (int64_t)(BCD2D(dtime
->second
)) * 1000000;
295 switch((dtime
->frame_u
& 0xc0) >> 6)
307 f_ms
= BCD2D(dtime
->frame_u
&0x3f) * 1000.0 / f_fps
;
308 i_micro_second
+= (int64_t)(f_ms
* 1000.0);
312 i_micro_second
= still_time
;
313 i_micro_second
= (int64_t)((double)i_micro_second
* 1000000.0);
316 return i_micro_second
;
319 /*****************************************************************************
321 *****************************************************************************/
322 static int Control( demux_t
*p_demux
, int i_query
, va_list args
)
324 demux_sys_t
*p_sys
= p_demux
->p_sys
;
328 input_title_t
***ppp_title
;
334 case DEMUX_GET_POSITION
:
336 pf
= (double*) va_arg( args
, double* );
338 if( p_sys
->i_title_blocks
> 0 )
339 *pf
= (double)p_sys
->i_title_offset
/ p_sys
->i_title_blocks
;
345 case DEMUX_SET_POSITION
:
347 f
= (double)va_arg( args
, double );
349 DvdReadSeek( p_demux
, f
* p_sys
->i_title_blocks
);
354 pi64
= (int64_t*)va_arg( args
, int64_t * );
355 if( p_demux
->info
.i_title
>= 0 && p_demux
->info
.i_title
< p_sys
->i_titles
)
357 *pi64
= (int64_t) dvdtime_to_time( &p_sys
->p_cur_pgc
->playback_time
, 0 ) /
358 p_sys
->i_title_blocks
* p_sys
->i_title_offset
;
364 case DEMUX_GET_LENGTH
:
365 pi64
= (int64_t*)va_arg( args
, int64_t * );
366 if( p_demux
->info
.i_title
>= 0 && p_demux
->info
.i_title
< p_sys
->i_titles
)
368 *pi64
= (int64_t)dvdtime_to_time( &p_sys
->p_cur_pgc
->playback_time
, 0 );
374 /* Special for access_demux */
375 case DEMUX_CAN_PAUSE
:
377 case DEMUX_CAN_CONTROL_PACE
:
379 pb
= (bool*)va_arg( args
, bool * );
383 case DEMUX_SET_PAUSE_STATE
:
386 case DEMUX_GET_TITLE_INFO
:
387 ppp_title
= (input_title_t
***)va_arg( args
, input_title_t
*** );
388 pi_int
= (int*)va_arg( args
, int* );
389 *((int*)va_arg( args
, int* )) = 1; /* Title offset */
390 *((int*)va_arg( args
, int* )) = 1; /* Chapter offset */
392 /* Duplicate title infos */
393 *pi_int
= p_sys
->i_titles
;
394 *ppp_title
= malloc( p_sys
->i_titles
* sizeof(input_title_t
*) );
395 for( i
= 0; i
< p_sys
->i_titles
; i
++ )
397 (*ppp_title
)[i
] = vlc_input_title_Duplicate(p_sys
->titles
[i
]);
401 case DEMUX_SET_TITLE
:
402 i
= (int)va_arg( args
, int );
403 if( DvdReadSetArea( p_demux
, i
, 0, -1 ) != VLC_SUCCESS
)
405 msg_Warn( p_demux
, "cannot set title/chapter" );
408 p_demux
->info
.i_update
|=
409 INPUT_UPDATE_TITLE
| INPUT_UPDATE_SEEKPOINT
;
410 p_demux
->info
.i_title
= i
;
411 p_demux
->info
.i_seekpoint
= 0;
414 case DEMUX_SET_SEEKPOINT
:
415 i
= (int)va_arg( args
, int );
416 if( DvdReadSetArea( p_demux
, -1, i
, -1 ) != VLC_SUCCESS
)
418 msg_Warn( p_demux
, "cannot set title/chapter" );
421 p_demux
->info
.i_update
|= INPUT_UPDATE_SEEKPOINT
;
422 p_demux
->info
.i_seekpoint
= i
;
425 case DEMUX_GET_PTS_DELAY
:
426 pi64
= (int64_t*)va_arg( args
, int64_t * );
428 INT64_C(1000) * var_InheritInteger( p_demux
, "disc-caching" );
431 /* TODO implement others */
437 /*****************************************************************************
439 *****************************************************************************/
440 static int Demux( demux_t
*p_demux
)
442 demux_sys_t
*p_sys
= p_demux
->p_sys
;
444 uint8_t p_buffer
[DVD_VIDEO_LB_LEN
* DVD_BLOCK_READ_ONCE
];
445 int i_blocks_once
, i_read
;
449 * Playback by cell in this pgc, starting at the cell for our chapter.
453 * Check end of pack, and select the following one
455 if( !p_sys
->i_pack_len
)
457 /* Read NAV packet */
458 if( DVDReadBlocks( p_sys
->p_title
, p_sys
->i_next_vobu
,
461 msg_Err( p_demux
, "read failed for block %d", p_sys
->i_next_vobu
);
462 dialog_Fatal( p_demux
, _("Playback failure"),
463 _("DVDRead could not read block %d."),
464 p_sys
->i_next_vobu
);
468 /* Basic check to be sure we don't have a empty title
469 * go to next title if so */
470 //assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
472 /* Parse the contained dsi packet */
473 DvdReadHandleDSI( p_demux
, p_buffer
);
476 if( p_sys
->i_cur_cell
>= p_sys
->p_cur_pgc
->nr_of_cells
)
478 int k
= p_sys
->i_title
;
480 /* Looking for a not broken title */
481 while( k
< p_sys
->i_titles
&& DvdReadSetArea( p_demux
, ++k
, 0, -1 ) != VLC_SUCCESS
)
483 msg_Err(p_demux
, "Failed next title, trying another: %i", k
);
484 if( k
>= p_sys
->i_titles
)
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 int k
= p_sys
->i_title
;
508 /* Looking for a not broken title */
509 while( k
< p_sys
->i_titles
&& DvdReadSetArea( p_demux
, ++k
, 0, -1 ) != VLC_SUCCESS
)
511 msg_Err(p_demux
, "Failed next title, trying another: %i", k
);
512 if( k
>= p_sys
->i_titles
)
520 i_blocks_once
= __MIN( p_sys
->i_pack_len
, DVD_BLOCK_READ_ONCE
);
521 p_sys
->i_pack_len
-= i_blocks_once
;
524 i_read
= DVDReadBlocks( p_sys
->p_title
, p_sys
->i_cur_block
,
525 i_blocks_once
, p_buffer
);
526 if( i_read
!= i_blocks_once
)
528 msg_Err( p_demux
, "read failed for %d/%d blocks at 0x%02x",
529 i_read
, i_blocks_once
, p_sys
->i_cur_block
);
530 dialog_Fatal( p_demux
, _("Playback failure"),
531 _("DVDRead could not read %d/%d blocks at 0x%02x."),
532 i_read
, i_blocks_once
, p_sys
->i_cur_block
);
536 p_sys
->i_cur_block
+= i_read
;
537 p_sys
->i_title_offset
+= i_read
;
540 msg_Dbg( p_demux
, "i_blocks: %d len: %d current: 0x%02x",
541 i_read
, p_sys
->i_pack_len
, p_sys
->i_cur_block
);
544 for( i
= 0; i
< i_read
; i
++ )
546 DemuxBlock( p_demux
, p_buffer
+ i
* DVD_VIDEO_LB_LEN
,
555 /*****************************************************************************
556 * DemuxBlock: demux a given block
557 *****************************************************************************/
558 static int DemuxBlock( demux_t
*p_demux
, const uint8_t *p
, int len
)
560 demux_sys_t
*p_sys
= p_demux
->p_sys
;
564 int i_size
= ps_pkt_size( p
, len
);
565 if( i_size
<= 0 || i_size
> len
)
571 block_t
*p_pkt
= block_Alloc( i_size
);
572 memcpy( p_pkt
->p_buffer
, p
, i_size
);
574 /* Parse it and send it */
575 switch( 0x100 | p
[3] )
584 msg_Warn( p_demux
, "received a PSM packet" );
586 else if( p
[3] == 0xbb )
588 msg_Warn( p_demux
, "received a SYSTEM packet" );
591 block_Release( p_pkt
);
598 if( !ps_pkt_parse_pack( p_pkt
, &i_scr
, &i_mux_rate
) )
600 es_out_Control( p_demux
->out
, ES_OUT_SET_PCR
, i_scr
);
601 if( i_mux_rate
> 0 ) p_sys
->i_mux_rate
= i_mux_rate
;
603 block_Release( p_pkt
);
608 int i_id
= ps_pkt_id( p_pkt
);
611 ps_track_t
*tk
= &p_sys
->tk
[PS_ID_TO_TK(i_id
)];
615 ESNew( p_demux
, i_id
, 0 );
617 if( tk
->b_seen
&& tk
->es
&&
618 !ps_pkt_parse_pes( p_pkt
, tk
->i_skip
) )
620 es_out_Send( p_demux
->out
, tk
->es
, p_pkt
);
624 block_Release( p_pkt
);
629 block_Release( p_pkt
);
642 /*****************************************************************************
643 * ESNew: register a new elementary stream
644 *****************************************************************************/
645 static void ESNew( demux_t
*p_demux
, int i_id
, int i_lang
)
647 demux_sys_t
*p_sys
= p_demux
->p_sys
;
648 ps_track_t
*tk
= &p_sys
->tk
[PS_ID_TO_TK(i_id
)];
649 char psz_language
[3];
651 if( tk
->b_seen
) return;
653 if( ps_track_fill( tk
, 0, i_id
, NULL
) )
655 msg_Warn( p_demux
, "unknown codec for id=0x%x", i_id
);
659 psz_language
[0] = psz_language
[1] = psz_language
[2] = 0;
660 if( i_lang
&& i_lang
!= 0xffff )
662 psz_language
[0] = (i_lang
>> 8)&0xff;
663 psz_language
[1] = (i_lang
)&0xff;
667 if( tk
->fmt
.i_cat
== VIDEO_ES
)
669 tk
->fmt
.video
.i_sar_num
= p_sys
->i_sar_num
;
670 tk
->fmt
.video
.i_sar_den
= p_sys
->i_sar_den
;
672 else if( tk
->fmt
.i_cat
== AUDIO_ES
)
676 /* find the audio number PLEASE find another way */
677 if( (i_id
&0xbdf8) == 0xbd88 ) /* dts */
681 else if( (i_id
&0xbdf0) == 0xbd80 ) /* a52 */
685 else if( (i_id
&0xbdf0) == 0xbda0 ) /* lpcm */
689 else if( ( i_id
&0xe0 ) == 0xc0 ) /* mpga */
695 if( psz_language
[0] ) tk
->fmt
.psz_language
= strdup( psz_language
);
697 else if( tk
->fmt
.i_cat
== SPU_ES
)
700 tk
->fmt
.subs
.spu
.palette
[0] = 0xBeef;
701 memcpy( &tk
->fmt
.subs
.spu
.palette
[1], p_sys
->clut
,
702 16 * sizeof( uint32_t ) );
704 if( psz_language
[0] ) tk
->fmt
.psz_language
= strdup( psz_language
);
707 tk
->es
= es_out_Add( p_demux
->out
, &tk
->fmt
);
711 /*****************************************************************************
712 * DvdReadSetArea: initialize input data for title x, chapter y.
713 * It should be called for each user navigation request.
714 *****************************************************************************
715 * Take care that i_title and i_chapter start from 0.
716 *****************************************************************************/
717 static int DvdReadSetArea( demux_t
*p_demux
, int i_title
, int i_chapter
,
720 VLC_UNUSED( i_angle
);
722 demux_sys_t
*p_sys
= p_demux
->p_sys
;
723 int pgc_id
= 0, pgn
= 0;
726 #define p_pgc p_sys->p_cur_pgc
727 #define p_vmg p_sys->p_vmg_file
728 #define p_vts p_sys->p_vts_file
730 if( i_title
>= 0 && i_title
< p_sys
->i_titles
&&
731 i_title
!= p_sys
->i_title
)
733 int i_start_cell
, i_end_cell
;
735 if( p_sys
->p_title
!= NULL
)
737 DVDCloseFile( p_sys
->p_title
);
738 p_sys
->p_title
= NULL
;
740 if( p_vts
!= NULL
) ifoClose( p_vts
);
741 p_sys
->i_title
= i_title
;
744 * We have to load all title information
746 msg_Dbg( p_demux
, "open VTS %d, for title %d",
747 p_vmg
->tt_srpt
->title
[i_title
].title_set_nr
, i_title
+ 1 );
750 if( !( p_vts
= ifoOpen( p_sys
->p_dvdread
,
751 p_vmg
->tt_srpt
->title
[i_title
].title_set_nr
) ) )
753 msg_Err( p_demux
, "fatal error in vts ifo" );
757 /* Title position inside the selected vts */
758 p_sys
->i_ttn
= p_vmg
->tt_srpt
->title
[i_title
].vts_ttn
;
760 /* Find title start/end */
761 pgc_id
= p_vts
->vts_ptt_srpt
->title
[p_sys
->i_ttn
- 1].ptt
[0].pgcn
;
762 pgn
= p_vts
->vts_ptt_srpt
->title
[p_sys
->i_ttn
- 1].ptt
[0].pgn
;
763 p_pgc
= p_vts
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
;
765 if( p_pgc
->cell_playback
== NULL
)
767 msg_Err( p_demux
, "Invalid PGC (cell_playback_offset)" );
771 p_sys
->i_title_start_cell
=
772 i_start_cell
= p_pgc
->program_map
[pgn
- 1] - 1;
773 p_sys
->i_title_start_block
=
774 p_pgc
->cell_playback
[i_start_cell
].first_sector
;
776 p_sys
->i_title_end_cell
=
777 i_end_cell
= p_pgc
->nr_of_cells
- 1;
778 p_sys
->i_title_end_block
=
779 p_pgc
->cell_playback
[i_end_cell
].last_sector
;
781 p_sys
->i_title_offset
= 0;
783 p_sys
->i_title_blocks
= 0;
784 for( i
= i_start_cell
; i
<= i_end_cell
; i
++ )
786 p_sys
->i_title_blocks
+= p_pgc
->cell_playback
[i
].last_sector
-
787 p_pgc
->cell_playback
[i
].first_sector
+ 1;
790 msg_Dbg( p_demux
, "title %d vts_title %d pgc %d pgn %d "
791 "start %d end %d blocks: %d",
792 i_title
+ 1, p_sys
->i_ttn
, pgc_id
, pgn
,
793 p_sys
->i_title_start_block
, p_sys
->i_title_end_block
,
794 p_sys
->i_title_blocks
);
797 * Set properties for current chapter
799 p_sys
->i_chapter
= 0;
801 p_vts
->vts_ptt_srpt
->title
[p_sys
->i_ttn
- 1].nr_of_ptts
;
803 pgc_id
= p_vts
->vts_ptt_srpt
->title
[
804 p_sys
->i_ttn
- 1].ptt
[p_sys
->i_chapter
].pgcn
;
805 pgn
= p_vts
->vts_ptt_srpt
->title
[
806 p_sys
->i_ttn
- 1].ptt
[p_sys
->i_chapter
].pgn
;
808 p_pgc
= p_vts
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
;
809 p_sys
->i_pack_len
= 0;
811 p_sys
->i_cur_cell
= p_pgc
->program_map
[pgn
- 1] - 1;
812 DvdReadFindCell( p_demux
);
814 p_sys
->i_next_vobu
= p_sys
->i_cur_block
=
815 p_pgc
->cell_playback
[p_sys
->i_cur_cell
].first_sector
;
820 p_sys
->i_angles
= p_vmg
->tt_srpt
->title
[i_title
].nr_of_angles
;
821 if( p_sys
->i_angle
> p_sys
->i_angles
) p_sys
->i_angle
= 1;
824 * We've got enough info, time to open the title set data.
826 if( !( p_sys
->p_title
= DVDOpenFile( p_sys
->p_dvdread
,
827 p_vmg
->tt_srpt
->title
[i_title
].title_set_nr
,
828 DVD_READ_TITLE_VOBS
) ) )
830 msg_Err( p_demux
, "cannot open title (VTS_%02d_1.VOB)",
831 p_vmg
->tt_srpt
->title
[i_title
].title_set_nr
);
835 //IfoPrintTitle( p_demux );
838 * Destroy obsolete ES by reinitializing program 0
839 * and find all ES in title with ifo data
841 es_out_Control( p_demux
->out
, ES_OUT_RESET_PCR
);
843 for( i
= 0; i
< PS_TK_COUNT
; i
++ )
845 ps_track_t
*tk
= &p_sys
->tk
[i
];
848 es_format_Clean( &tk
->fmt
);
849 if( tk
->es
) es_out_Del( p_demux
->out
, tk
->es
);
854 if( p_demux
->info
.i_title
!= i_title
)
856 p_demux
->info
.i_update
|=
857 INPUT_UPDATE_TITLE
| INPUT_UPDATE_SEEKPOINT
;
858 p_demux
->info
.i_title
= i_title
;
859 p_demux
->info
.i_seekpoint
= 0;
862 /* TODO: re-add angles */
865 ESNew( p_demux
, 0xe0, 0 ); /* Video, FIXME ? */
866 const video_attr_t
*p_attr
= &p_vts
->vtsi_mat
->vts_video_attr
;
867 int i_video_height
= p_attr
->video_format
!= 0 ? 576 : 480;
869 switch( p_attr
->picture_size
)
886 switch( p_attr
->display_aspect_ratio
)
889 p_sys
->i_sar_num
= 4 * i_video_height
;
890 p_sys
->i_sar_den
= 3 * i_video_width
;
893 p_sys
->i_sar_num
= 16 * i_video_height
;
894 p_sys
->i_sar_den
= 9 * i_video_width
;
897 p_sys
->i_sar_num
= 0;
898 p_sys
->i_sar_den
= 0;
902 #define audio_control \
903 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
905 /* Audio ES, in the order they appear in the .ifo */
906 for( i
= 1; i
<= p_vts
->vtsi_mat
->nr_of_vts_audio_streams
; i
++ )
911 //IfoPrintAudio( p_demux, i );
913 /* Audio channel is active if first byte is 0x80 */
914 if( audio_control
& 0x8000 )
916 i_position
= ( audio_control
& 0x7F00 ) >> 8;
918 msg_Dbg( p_demux
, "audio position %d", i_position
);
919 switch( p_vts
->vtsi_mat
->vts_audio_attr
[i
- 1].audio_format
)
922 i_id
= (0x80 + i_position
) | 0xbd00;
925 case 0x03: /* MPEG audio */
926 i_id
= 0xc000 + i_position
;
928 case 0x04: /* LPCM */
929 i_id
= (0xa0 + i_position
) | 0xbd00;
932 i_id
= (0x88 + i_position
) | 0xbd00;
936 msg_Err( p_demux
, "unknown audio type %.2x",
937 p_vts
->vtsi_mat
->vts_audio_attr
[i
- 1].audio_format
);
940 ESNew( p_demux
, i_id
, p_sys
->p_vts_file
->vtsi_mat
->
941 vts_audio_attr
[i
- 1].lang_code
);
946 #define spu_palette \
947 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
949 memcpy( p_sys
->clut
, spu_palette
, 16 * sizeof( uint32_t ) );
951 #define spu_control \
952 p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
955 for( i
= 1; i
<= p_vts
->vtsi_mat
->nr_of_vts_subp_streams
; i
++ )
960 //IfoPrintSpu( p_sys, i );
961 msg_Dbg( p_demux
, "spu %d 0x%02x", i
, spu_control
);
963 if( spu_control
& 0x80000000 )
965 /* there are several streams for one spu */
966 if( p_vts
->vtsi_mat
->vts_video_attr
.display_aspect_ratio
)
969 switch( p_vts
->vtsi_mat
->vts_video_attr
.permitted_df
)
971 case 1: /* letterbox */
972 i_position
= spu_control
& 0xff;
974 case 2: /* pan&scan */
975 i_position
= ( spu_control
>> 8 ) & 0xff;
977 default: /* widescreen */
978 i_position
= ( spu_control
>> 16 ) & 0xff;
985 i_position
= ( spu_control
>> 24 ) & 0x7F;
988 i_id
= (0x20 + i_position
) | 0xbd00;
990 ESNew( p_demux
, i_id
, p_sys
->p_vts_file
->vtsi_mat
->
991 vts_subp_attr
[i
- 1].lang_code
);
997 else if( i_title
!= -1 && i_title
!= p_sys
->i_title
)
1000 return VLC_EGENERIC
; /* Couldn't set title */
1007 if( i_chapter
>= 0 && i_chapter
< p_sys
->i_chapters
)
1009 pgc_id
= p_vts
->vts_ptt_srpt
->title
[
1010 p_sys
->i_ttn
- 1].ptt
[i_chapter
].pgcn
;
1011 pgn
= p_vts
->vts_ptt_srpt
->title
[
1012 p_sys
->i_ttn
- 1].ptt
[i_chapter
].pgn
;
1014 p_pgc
= p_vts
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
;
1015 if( p_pgc
->cell_playback
== NULL
)
1016 return VLC_EGENERIC
; /* Couldn't set chapter */
1018 p_sys
->i_cur_cell
= p_pgc
->program_map
[pgn
- 1] - 1;
1019 p_sys
->i_chapter
= i_chapter
;
1020 DvdReadFindCell( p_demux
);
1022 p_sys
->i_title_offset
= 0;
1023 for( i
= p_sys
->i_title_start_cell
; i
< p_sys
->i_cur_cell
; i
++ )
1025 p_sys
->i_title_offset
+= p_pgc
->cell_playback
[i
].last_sector
-
1026 p_pgc
->cell_playback
[i
].first_sector
+ 1;
1029 p_sys
->i_pack_len
= 0;
1030 p_sys
->i_next_vobu
= p_sys
->i_cur_block
=
1031 p_pgc
->cell_playback
[p_sys
->i_cur_cell
].first_sector
;
1033 if( p_demux
->info
.i_seekpoint
!= i_chapter
)
1035 p_demux
->info
.i_update
|= INPUT_UPDATE_SEEKPOINT
;
1036 p_demux
->info
.i_seekpoint
= i_chapter
;
1039 else if( i_chapter
!= -1 )
1042 return VLC_EGENERIC
; /* Couldn't set chapter */
1052 /*****************************************************************************
1053 * DvdReadSeek : Goes to a given position on the stream.
1054 *****************************************************************************
1055 * This one is used by the input and translate chronological position from
1056 * input to logical position on the device.
1057 *****************************************************************************/
1058 static void DvdReadSeek( demux_t
*p_demux
, int i_block_offset
)
1060 demux_sys_t
*p_sys
= p_demux
->p_sys
;
1067 #define p_pgc p_sys->p_cur_pgc
1068 #define p_vts p_sys->p_vts_file
1071 i_block
= i_block_offset
;
1072 for( i_cell
= p_sys
->i_title_start_cell
;
1073 i_cell
<= p_sys
->i_title_end_cell
; i_cell
++ )
1075 if( i_block
< (int)p_pgc
->cell_playback
[i_cell
].last_sector
-
1076 (int)p_pgc
->cell_playback
[i_cell
].first_sector
+ 1 ) break;
1078 i_block
-= (p_pgc
->cell_playback
[i_cell
].last_sector
-
1079 p_pgc
->cell_playback
[i_cell
].first_sector
+ 1);
1081 if( i_cell
> p_sys
->i_title_end_cell
)
1083 msg_Err( p_demux
, "couldn't find cell for block %i", i_block_offset
);
1086 i_block
+= p_pgc
->cell_playback
[i_cell
].first_sector
;
1087 p_sys
->i_title_offset
= i_block_offset
;
1090 for( i_chapter
= 0; i_chapter
< p_sys
->i_chapters
; i_chapter
++ )
1092 int pgc_id
, pgn
, i_tmp
;
1094 pgc_id
= p_vts
->vts_ptt_srpt
->title
[
1095 p_sys
->i_ttn
- 1].ptt
[i_chapter
].pgcn
;
1096 pgn
= p_vts
->vts_ptt_srpt
->title
[
1097 p_sys
->i_ttn
- 1].ptt
[i_chapter
].pgn
;
1099 i_tmp
= p_vts
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
->program_map
[pgn
-1];
1101 if( i_tmp
> i_cell
) break;
1104 if( i_chapter
< p_sys
->i_chapters
&&
1105 p_demux
->info
.i_seekpoint
!= i_chapter
)
1107 p_demux
->info
.i_update
|= INPUT_UPDATE_SEEKPOINT
;
1108 p_demux
->info
.i_seekpoint
= i_chapter
;
1112 while( (int)p_vts
->vts_vobu_admap
->vobu_start_sectors
[i_vobu
] <= i_block
)
1118 while( p_vts
->vts_c_adt
->cell_adr_table
[i_sub_cell
].start_sector
<
1119 p_vts
->vts_vobu_admap
->vobu_start_sectors
[i_vobu
-1] )
1125 msg_Dbg( p_demux
, "cell %d i_sub_cell %d chapter %d vobu %d "
1126 "cell_sector %d vobu_sector %d sub_cell_sector %d",
1127 i_cell
, i_sub_cell
, i_chapter
, i_vobu
,
1128 p_sys
->p_cur_pgc
->cell_playback
[i_cell
].first_sector
,
1129 p_vts
->vts_vobu_admap
->vobu_start_sectors
[i_vobu
],
1130 p_vts
->vts_c_adt
->cell_adr_table
[i_sub_cell
- 1].start_sector
);
1133 p_sys
->i_cur_block
= i_block
;
1134 p_sys
->i_next_vobu
= p_vts
->vts_vobu_admap
->vobu_start_sectors
[i_vobu
];
1135 p_sys
->i_pack_len
= p_sys
->i_next_vobu
- i_block
;
1136 p_sys
->i_cur_cell
= i_cell
;
1137 p_sys
->i_chapter
= i_chapter
;
1138 DvdReadFindCell( p_demux
);
1146 /*****************************************************************************
1148 *****************************************************************************/
1149 static void DvdReadHandleDSI( demux_t
*p_demux
, uint8_t *p_data
)
1151 demux_sys_t
*p_sys
= p_demux
->p_sys
;
1153 navRead_DSI( &p_sys
->dsi_pack
, &p_data
[DSI_START_BYTE
] );
1156 * Determine where we go next. These values are the ones we mostly
1159 p_sys
->i_cur_block
= p_sys
->dsi_pack
.dsi_gi
.nv_pck_lbn
;
1160 p_sys
->i_pack_len
= p_sys
->dsi_pack
.dsi_gi
.vobu_ea
;
1163 * Store the timecodes so we can get the current time
1165 p_sys
->i_title_cur_time
= (mtime_t
) p_sys
->dsi_pack
.dsi_gi
.nv_pck_scr
/ 90 * 1000;
1166 p_sys
->i_cell_cur_time
= (mtime_t
) dvdtime_to_time( &p_sys
->dsi_pack
.dsi_gi
.c_eltm
, 0 );
1169 * If we're not at the end of this cell, we can determine the next
1170 * VOBU to display using the VOBU_SRI information section of the
1171 * DSI. Using this value correctly follows the current angle,
1172 * avoiding the doubled scenes in The Matrix, and makes our life
1176 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1177 ( p_sys
->dsi_pack
.vobu_sri
.next_vobu
& 0x7fffffff );
1179 if( p_sys
->dsi_pack
.vobu_sri
.next_vobu
!= SRI_END_OF_CELL
1180 && p_sys
->i_angle
> 1 )
1182 switch( ( p_sys
->dsi_pack
.sml_pbi
.category
& 0xf000 ) >> 12 )
1185 /* Interleaved unit with no angle */
1186 if( p_sys
->dsi_pack
.sml_pbi
.ilvu_sa
!= 0 )
1188 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1189 p_sys
->dsi_pack
.sml_pbi
.ilvu_sa
;
1190 p_sys
->i_pack_len
= p_sys
->dsi_pack
.sml_pbi
.ilvu_ea
;
1194 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1195 p_sys
->dsi_pack
.dsi_gi
.vobu_ea
+ 1;
1199 /* vobu is end of ilvu */
1200 if( p_sys
->dsi_pack
.sml_agli
.data
[p_sys
->i_angle
-1].address
)
1202 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1203 p_sys
->dsi_pack
.sml_agli
.data
[p_sys
->i_angle
-1].address
;
1204 p_sys
->i_pack_len
= p_sys
->dsi_pack
.sml_pbi
.ilvu_ea
;
1209 /* vobu is beginning of ilvu */
1213 /* entering interleaved section */
1215 /* non interleaved cells in interleaved section */
1217 p_sys
->i_next_vobu
= p_sys
->i_cur_block
+
1218 ( p_sys
->dsi_pack
.vobu_sri
.next_vobu
& 0x7fffffff );
1222 else if( p_sys
->dsi_pack
.vobu_sri
.next_vobu
== SRI_END_OF_CELL
)
1224 p_sys
->i_cur_cell
= p_sys
->i_next_cell
;
1227 if( p_sys
->i_cur_cell
>= p_sys
->p_cur_pgc
->nr_of_cells
) return;
1229 DvdReadFindCell( p_demux
);
1231 p_sys
->i_next_vobu
=
1232 p_sys
->p_cur_pgc
->cell_playback
[p_sys
->i_cur_cell
].first_sector
;
1234 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 );
1239 msg_Dbg( p_demux
, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
1240 p_sys
->dsi_pack
.dsi_gi
.nv_pck_scr
,
1241 p_sys
->dsi_pack
.dsi_gi
.nv_pck_lbn
,
1242 p_sys
->dsi_pack
.dsi_gi
.vobu_ea
,
1243 p_sys
->dsi_pack
.dsi_gi
.vobu_vob_idn
,
1244 p_sys
->dsi_pack
.dsi_gi
.vobu_c_idn
,
1245 dvdtime_to_time( &p_sys
->dsi_pack
.dsi_gi
.c_eltm
, 0 ) );
1247 msg_Dbg( p_demux
, "cell duration: %lld",
1248 (mtime_t
)dvdtime_to_time( &p_sys
->p_cur_pgc
->cell_playback
[p_sys
->i_cur_cell
].playback_time
, 0 ) );
1250 msg_Dbg( p_demux
, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
1251 p_sys
->dsi_pack
.sml_pbi
.category
,
1252 p_sys
->dsi_pack
.sml_pbi
.ilvu_ea
,
1253 p_sys
->dsi_pack
.sml_pbi
.ilvu_sa
,
1254 p_sys
->dsi_pack
.sml_pbi
.size
);
1256 msg_Dbg( p_demux
, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
1257 p_sys
->dsi_pack
.vobu_sri
.next_vobu
& 0x7fffffff,
1258 p_sys
->dsi_pack
.sml_agli
.data
[ p_sys
->i_angle
- 1 ].address
,
1259 p_sys
->dsi_pack
.sml_agli
.data
[ p_sys
->i_angle
].address
);
1263 /*****************************************************************************
1265 *****************************************************************************/
1266 static void DvdReadFindCell( demux_t
*p_demux
)
1268 demux_sys_t
*p_sys
= p_demux
->p_sys
;
1274 #define cell p_sys->p_cur_pgc->cell_playback
1276 if( cell
[p_sys
->i_cur_cell
].block_type
== BLOCK_TYPE_ANGLE_BLOCK
)
1278 p_sys
->i_cur_cell
+= p_sys
->i_angle
- 1;
1280 while( cell
[p_sys
->i_cur_cell
+i
].block_mode
!= BLOCK_MODE_LAST_CELL
)
1284 p_sys
->i_next_cell
= p_sys
->i_cur_cell
+ i
+ 1;
1288 p_sys
->i_next_cell
= p_sys
->i_cur_cell
+ 1;
1293 if( p_sys
->i_chapter
+ 1 >= p_sys
->i_chapters
) return;
1295 pgc_id
= p_sys
->p_vts_file
->vts_ptt_srpt
->title
[
1296 p_sys
->i_ttn
- 1].ptt
[p_sys
->i_chapter
+ 1].pgcn
;
1297 pgn
= p_sys
->p_vts_file
->vts_ptt_srpt
->title
[
1298 p_sys
->i_ttn
- 1].ptt
[p_sys
->i_chapter
+ 1].pgn
;
1299 p_pgc
= p_sys
->p_vts_file
->vts_pgcit
->pgci_srp
[pgc_id
- 1].pgc
;
1301 if( p_sys
->i_cur_cell
>= p_pgc
->program_map
[pgn
- 1] - 1 )
1305 if( p_sys
->i_chapter
< p_sys
->i_chapters
&&
1306 p_demux
->info
.i_seekpoint
!= p_sys
->i_chapter
)
1308 p_demux
->info
.i_update
|= INPUT_UPDATE_SEEKPOINT
;
1309 p_demux
->info
.i_seekpoint
= p_sys
->i_chapter
;
1314 /*****************************************************************************
1315 * DemuxTitles: get the titles/chapters structure
1316 *****************************************************************************/
1317 static void DemuxTitles( demux_t
*p_demux
, int *pi_angle
)
1319 VLC_UNUSED( pi_angle
);
1321 demux_sys_t
*p_sys
= p_demux
->p_sys
;
1325 /* Find out number of titles/chapters */
1326 #define tt_srpt p_sys->p_vmg_file->tt_srpt
1328 int32_t i_titles
= tt_srpt
->nr_of_srpts
;
1329 msg_Dbg( p_demux
, "number of titles: %d", i_titles
);
1331 for( int i
= 0; i
< i_titles
; i
++ )
1333 int32_t i_chapters
= 0;
1336 i_chapters
= tt_srpt
->title
[i
].nr_of_ptts
;
1337 msg_Dbg( p_demux
, "title %d has %d chapters", i
, i_chapters
);
1339 t
= vlc_input_title_New();
1341 for( j
= 0; j
< __MAX( i_chapters
, 1 ); j
++ )
1343 s
= vlc_seekpoint_New();
1344 TAB_APPEND( t
->i_seekpoint
, t
->seekpoint
, s
);
1347 TAB_APPEND( p_sys
->i_titles
, p_sys
->titles
, t
);