?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
codec:jpeg: set the fmt_out.i_codec early
[vlc.git] / modules / access / dvdnav.c
blobc6e5761a81f09bb7353b672eb36f326d0be34dc2
1 /*****************************************************************************
2 * dvdnav.c: DVD module using the dvdnav library.
3 *****************************************************************************
4 * Copyright (C) 2004-2009 VLC authors and VideoLAN
5 * $Id$
6 *
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
23
24 /*****************************************************************************
25 * NOTA BENE: this module requires the linking against a library which is
26 * known to require licensing under the GNU General Public License version 2
27 * (or later). Therefore, the result of compiling this module will normally
28 * be subject to the terms of that later license.
29 *****************************************************************************/
30
31
32 /*****************************************************************************
33 * Preamble
34 *****************************************************************************/
35
36 #ifdef HAVE_CONFIG_H
37 # include "config.h"
38 #endif
39
40 #include <assert.h>
41 #include <sys/stat.h>
42 #include <fcntl.h>
43 #include <errno.h>
44 #include <unistd.h> /* close() */
45
46 #include <vlc_common.h>
47 #include <vlc_plugin.h>
48 #include <vlc_input.h>
49 #include <vlc_access.h>
50 #include <vlc_demux.h>
51 #include <vlc_charset.h>
52 #include <vlc_fs.h>
53 #include <vlc_vout.h>
54 #include <vlc_dialog.h>
55 #include <vlc_iso_lang.h>
56
57 /* FIXME we should find a better way than including that */
58 #include "../../src/text/iso-639_def.h"
59
60
61 #include <dvdnav/dvdnav.h>
62
63 #include "../demux/mpeg/pes.h"
64 #include "../demux/mpeg/ps.h"
65
66 /*****************************************************************************
67 * Module descriptor
68 *****************************************************************************/
69 #define ANGLE_TEXT N_("DVD angle")
70 #define ANGLE_LONGTEXT N_( \
71 "Default DVD angle." )
72
73 #define MENU_TEXT N_("Start directly in menu")
74 #define MENU_LONGTEXT N_( \
75 "Start the DVD directly in the main menu. This "\
76 "will try to skip all the useless warning introductions." )
77
78 #define LANGUAGE_DEFAULT ("en")
79
80 static int AccessDemuxOpen ( vlc_object_t * );
81 static void Close( vlc_object_t * );
82
83 #if DVDREAD_VERSION >= 50300 && defined( HAVE_STREAM_CB_IN_DVDNAV_H )
84 #define HAVE_DVDNAV_DEMUX
85 static int DemuxOpen ( vlc_object_t * );
86 #endif
87
88 vlc_module_begin ()
89 set_shortname( N_("DVD with menus") )
90 set_description( N_("DVDnav Input") )
91 set_category( CAT_INPUT )
92 set_subcategory( SUBCAT_INPUT_ACCESS )
93 add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
94 ANGLE_LONGTEXT, false )
95 add_bool( "dvdnav-menu", true,
96 MENU_TEXT, MENU_LONGTEXT, false )
97 set_capability( "access_demux", 5 )
98 add_shortcut( "dvd", "dvdnav", "file" )
99 set_callbacks( AccessDemuxOpen, Close )
100 #ifdef HAVE_DVDNAV_DEMUX
101 add_submodule()
102 set_description( N_("DVDnav demuxer") )
103 set_category( CAT_INPUT )
104 set_subcategory( SUBCAT_INPUT_DEMUX )
105 set_capability( "demux", 5 )
106 set_callbacks( DemuxOpen, Close )
107 add_shortcut( "dvd", "iso" )
108 #endif
109 vlc_module_end ()
110
111 /* Shall we use libdvdnav's read ahead cache? */
112 #ifdef __OS2__
113 #define DVD_READ_CACHE 0
114 #else
115 #define DVD_READ_CACHE 1
116 #endif
117
118 /*****************************************************************************
119 * Local prototypes
120 *****************************************************************************/
121 struct demux_sys_t
122 {
123 dvdnav_t *dvdnav;
124
125 /* */
126 bool b_reset_pcr;
127 bool b_readahead;
128
129 struct
130 {
131 bool b_created;
132 bool b_enabled;
133 vlc_mutex_t lock;
134 vlc_timer_t timer;
135 } still;
136
137 /* track */
138 ps_track_t tk[PS_TK_COUNT];
139 int i_mux_rate;
140
141 /* event */
142 vout_thread_t *p_vout;
143
144 /* palette for menus */
145 uint32_t clut[16];
146 uint8_t palette[4][4];
147 bool b_spu_change;
148
149 /* Aspect ration */
150 struct {
151 unsigned i_num;
152 unsigned i_den;
153 } sar;
154
155 /* */
156 int i_title;
157 input_title_t **title;
158
159 /* length of program group chain */
160 mtime_t i_pgc_length;
161 int i_vobu_index;
162 int i_vobu_flush;
163 };
164
165 static int Control( demux_t *, int, va_list );
166 static int Demux( demux_t * );
167 static int DemuxBlock( demux_t *, const uint8_t *, int );
168 static void DemuxForceStill( demux_t * );
169
170 static void DemuxTitles( demux_t * );
171 static void ESSubtitleUpdate( demux_t * );
172 static void ButtonUpdate( demux_t *, bool );
173
174 static void ESNew( demux_t *, int );
175 static int ProbeDVD( const char * );
176
177 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
178
179 static int ControlInternal( demux_t *, int, ... );
180
181 static void StillTimer( void * );
182
183 static int EventMouse( vlc_object_t *, char const *,
184 vlc_value_t, vlc_value_t, void * );
185 static int EventIntf( vlc_object_t *, char const *,
186 vlc_value_t, vlc_value_t, void * );
187
188 /*****************************************************************************
189 * CommonOpen:
190 *****************************************************************************/
191 static int CommonOpen( vlc_object_t *p_this,
192 dvdnav_t *p_dvdnav, bool b_readahead )
193 {
194 demux_t *p_demux = (demux_t*)p_this;
195 demux_sys_t *p_sys;
196 int i_angle;
197 char *psz_code;
198
199 assert( p_dvdnav );
200
201 /* Fill p_demux field */
202 DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
203 p_sys->dvdnav = p_dvdnav;
204 p_sys->b_reset_pcr = false;
205
206 ps_track_init( p_sys->tk );
207 p_sys->sar.i_num = 0;
208 p_sys->sar.i_den = 0;
209 p_sys->i_mux_rate = 0;
210 p_sys->i_pgc_length = 0;
211 p_sys->b_spu_change = false;
212 p_sys->i_vobu_index = 0;
213 p_sys->i_vobu_flush = 0;
214 p_sys->b_readahead = b_readahead;
215
216 if( 1 )
217 {
218 // Hack for libdvdnav CVS.
219 // Without it dvdnav_get_number_of_titles() fails.
220 // Remove when fixed in libdvdnav CVS.
221 uint8_t buffer[DVD_VIDEO_LB_LEN];
222 int i_event, i_len;
223
224 if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
225 == DVDNAV_STATUS_ERR )
226 {
227 msg_Warn( p_demux, "dvdnav_get_next_block failed" );
228 }
229
230 dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
231 }
232
233 /* Configure dvdnav */
234 if( dvdnav_set_readahead_flag( p_sys->dvdnav, p_sys->b_readahead ) !=
235 DVDNAV_STATUS_OK )
236 {
237 msg_Warn( p_demux, "cannot set read-a-head flag" );
238 }
239
240 if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
241 DVDNAV_STATUS_OK )
242 {
243 msg_Warn( p_demux, "cannot set PGC positioning flag" );
244 }
245
246 /* Set menu language */
247 psz_code = DemuxGetLanguageCode( p_demux, "menu-language" );
248 if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
249 DVDNAV_STATUS_OK )
250 {
251 msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
252 psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
253 /* We try to fall back to 'en' */
254 if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
255 dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
256 }
257 free( psz_code );
258
259 /* Set audio language */
260 psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
261 if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
262 DVDNAV_STATUS_OK )
263 {
264 msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
265 psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
266 /* We try to fall back to 'en' */
267 if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
268 dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
269 }
270 free( psz_code );
271
272 /* Set spu language */
273 psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
274 if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
275 DVDNAV_STATUS_OK )
276 {
277 msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
278 psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
279 /* We try to fall back to 'en' */
280 if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
281 dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
282 }
283 free( psz_code );
284
285 DemuxTitles( p_demux );
286
287 if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
288 {
289 msg_Dbg( p_demux, "trying to go to dvd menu" );
290
291 if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
292 {
293 msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
294 vlc_dialog_display_error( p_demux, _("Playback failure"), "%s",
295 _("VLC cannot set the DVD's title. It possibly "
296 "cannot decrypt the entire disc.") );
297 free( p_sys );
298 return VLC_EGENERIC;
299 }
300
301 if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
302 DVDNAV_STATUS_OK )
303 {
304 /* Try going to menu root */
305 if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
306 DVDNAV_STATUS_OK )
307 msg_Warn( p_demux, "cannot go to dvd menu" );
308 }
309 }
310
311 i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
312 if( i_angle <= 0 ) i_angle = 1;
313
314 /* FIXME hack hack hack hack FIXME */
315 /* Get p_input and create variable */
316 var_Create( p_demux->p_input, "x-start", VLC_VAR_INTEGER );
317 var_Create( p_demux->p_input, "y-start", VLC_VAR_INTEGER );
318 var_Create( p_demux->p_input, "x-end", VLC_VAR_INTEGER );
319 var_Create( p_demux->p_input, "y-end", VLC_VAR_INTEGER );
320 var_Create( p_demux->p_input, "color", VLC_VAR_ADDRESS );
321 var_Create( p_demux->p_input, "menu-palette", VLC_VAR_ADDRESS );
322 var_Create( p_demux->p_input, "highlight", VLC_VAR_BOOL );
323
324 /* catch vout creation event */
325 var_AddCallback( p_demux->p_input, "intf-event", EventIntf, p_demux );
326
327 p_sys->still.b_enabled = false;
328 vlc_mutex_init( &p_sys->still.lock );
329 if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
330 p_sys->still.b_created = true;
331
332 return VLC_SUCCESS;
333 }
334
335 /*****************************************************************************
336 * AccessDemuxOpen:
337 *****************************************************************************/
338 static int AccessDemuxOpen ( vlc_object_t *p_this )
339 {
340 demux_t *p_demux = (demux_t*)p_this;
341 dvdnav_t *p_dvdnav = NULL;
342 char *psz_file = NULL;
343 const char *psz_path = NULL;
344 int i_ret = VLC_EGENERIC;
345 bool forced = false;
346
347 if( !strncmp(p_demux->psz_access, "dvd", 3) )
348 forced = true;
349
350 if( !p_demux->psz_file || !*p_demux->psz_file )
351 {
352 /* Only when selected */
353 if( !forced )
354 return VLC_EGENERIC;
355
356 psz_file = var_InheritString( p_this, "dvd" );
357 }
358 else
359 psz_file = strdup( p_demux->psz_file );
360
361 #if defined( _WIN32 ) || defined( __OS2__ )
362 if( psz_file != NULL )
363 {
364 /* Remove trailing backslash, otherwise dvdnav_open will fail */
365 size_t flen = strlen( psz_file );
366 if( flen > 0 && psz_file[flen - 1] == '\\' )
367 psz_file[flen - 1] = '\0';
368 }
369 else
370 psz_file = strdup("");
371 #endif
372
373 if( unlikely(psz_file == NULL) )
374 return VLC_EGENERIC;
375
376 /* Try some simple probing to avoid going through dvdnav_open too often */
377 if( !forced && ProbeDVD( psz_file ) != VLC_SUCCESS )
378 goto bailout;
379
380 /* Open dvdnav */
381 psz_path = ToLocale( psz_file );
382 if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
383 {
384 msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
385 goto bailout;
386 }
387
388 i_ret = CommonOpen( p_this, p_dvdnav, !!DVD_READ_CACHE );
389 if( i_ret != VLC_SUCCESS )
390 dvdnav_close( p_dvdnav );
391
392 bailout:
393 free( psz_file );
394 if( psz_path )
395 LocaleFree( psz_path );
396 return i_ret;
397 }
398
399 #ifdef HAVE_DVDNAV_DEMUX
400 /*****************************************************************************
401 * StreamProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
402 *****************************************************************************/
403 static int StreamProbeDVD( stream_t *s )
404 {
405 /* first sector should be filled with zeros */
406 ssize_t i_peek;
407 const uint8_t *p_peek;
408 i_peek = vlc_stream_Peek( s, &p_peek, 2048 );
409 if( i_peek < 512 ) {
410 return VLC_EGENERIC;
411 }
412 while (i_peek > 0) {
413 if (p_peek[ --i_peek ]) {
414 return VLC_EGENERIC;
415 }
416 }
417
418 /* ISO 9660 volume descriptor */
419 char iso_dsc[6];
420 if( vlc_stream_Seek( s, 0x8000 + 1 ) != VLC_SUCCESS
421 || vlc_stream_Read( s, iso_dsc, sizeof (iso_dsc) ) < (int)sizeof (iso_dsc)
422 || memcmp( iso_dsc, "CD001\x01", 6 ) )
423 return VLC_EGENERIC;
424
425 /* Try to find the anchor (2 bytes at LBA 256) */
426 uint16_t anchor;
427
428 if( vlc_stream_Seek( s, 256 * DVD_VIDEO_LB_LEN ) == VLC_SUCCESS
429 && vlc_stream_Read( s, &anchor, 2 ) == 2
430 && GetWLE( &anchor ) == 2 )
431 return VLC_SUCCESS;
432 else
433 return VLC_EGENERIC;
434 }
435
436 /*****************************************************************************
437 * dvdnav stream callbacks
438 *****************************************************************************/
439 static int stream_cb_seek( void *s, uint64_t pos )
440 {
441 return vlc_stream_Seek( (stream_t *)s, pos );
442 }
443
444 static int stream_cb_read( void *s, void* buffer, int size )
445 {
446 return vlc_stream_Read( (stream_t *)s, buffer, size );
447 }
448
449 /*****************************************************************************
450 * DemuxOpen:
451 *****************************************************************************/
452 static int DemuxOpen ( vlc_object_t *p_this )
453 {
454 demux_t *p_demux = (demux_t*)p_this;
455 dvdnav_t *p_dvdnav = NULL;
456 bool forced = false, b_seekable = false;
457
458 if( p_demux->psz_demux != NULL
459 && !strncmp(p_demux->psz_demux, "dvd", 3) )
460 forced = true;
461
462 /* StreamProbeDVD need FASTSEEK, but if dvd is forced, we don't probe thus
463 * don't need fastseek */
464 vlc_stream_Control( p_demux->s, forced ? STREAM_CAN_SEEK : STREAM_CAN_FASTSEEK,
465 &b_seekable );
466 if( !b_seekable )
467 return VLC_EGENERIC;
468
469 /* Try some simple probing to avoid going through dvdnav_open too often */
470 if( !forced && StreamProbeDVD( p_demux->s ) != VLC_SUCCESS )
471 return VLC_EGENERIC;
472
473 static dvdnav_stream_cb stream_cb =
474 {
475 .pf_seek = stream_cb_seek,
476 .pf_read = stream_cb_read,
477 .pf_readv = NULL,
478 };
479
480 /* Open dvdnav with stream callbacks */
481 if( dvdnav_open_stream( &p_dvdnav, p_demux->s,
482 &stream_cb ) != DVDNAV_STATUS_OK )
483 {
484 msg_Warn( p_demux, "cannot open DVD with open_stream" );
485 return VLC_EGENERIC;
486 }
487
488 int i_ret = CommonOpen( p_this, p_dvdnav, false );
489 if( i_ret != VLC_SUCCESS )
490 dvdnav_close( p_dvdnav );
491 return i_ret;
492 }
493 #endif
494
495 /*****************************************************************************
496 * Close:
497 *****************************************************************************/
498 static void Close( vlc_object_t *p_this )
499 {
500 demux_t *p_demux = (demux_t*)p_this;
501 demux_sys_t *p_sys = p_demux->p_sys;
502
503 /* Stop vout event handler */
504 var_DelCallback( p_demux->p_input, "intf-event", EventIntf, p_demux );
505 if( p_sys->p_vout != NULL )
506 { /* Should not happen, but better be safe than sorry. */
507 msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
508 var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
509 var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
510 }
511
512 /* Stop still image handler */
513 if( p_sys->still.b_created )
514 vlc_timer_destroy( p_sys->still.timer );
515 vlc_mutex_destroy( &p_sys->still.lock );
516
517 var_Destroy( p_demux->p_input, "highlight" );
518 var_Destroy( p_demux->p_input, "x-start" );
519 var_Destroy( p_demux->p_input, "x-end" );
520 var_Destroy( p_demux->p_input, "y-start" );
521 var_Destroy( p_demux->p_input, "y-end" );
522 var_Destroy( p_demux->p_input, "color" );
523 var_Destroy( p_demux->p_input, "menu-palette" );
524
525 for( int i = 0; i < PS_TK_COUNT; i++ )
526 {
527 ps_track_t *tk = &p_sys->tk[i];
528 if( tk->b_configured )
529 {
530 es_format_Clean( &tk->fmt );
531 if( tk->es ) es_out_Del( p_demux->out, tk->es );
532 }
533 }
534
535 /* Free the array of titles */
536 for( int i = 0; i < p_sys->i_title; i++ )
537 vlc_input_title_Delete( p_sys->title[i] );
538 TAB_CLEAN( p_sys->i_title, p_sys->title );
539
540 dvdnav_close( p_sys->dvdnav );
541 free( p_sys );
542 }
543
544 /*****************************************************************************
545 * Control:
546 *****************************************************************************/
547 static int Control( demux_t *p_demux, int i_query, va_list args )
548 {
549 demux_sys_t *p_sys = p_demux->p_sys;
550 input_title_t ***ppp_title;
551 int i;
552
553 switch( i_query )
554 {
555 case DEMUX_SET_POSITION:
556 case DEMUX_GET_POSITION:
557 case DEMUX_GET_TIME:
558 case DEMUX_GET_LENGTH:
559 {
560 uint32_t pos, len;
561 if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
562 DVDNAV_STATUS_OK || len == 0 )
563 {
564 return VLC_EGENERIC;
565 }
566
567 switch( i_query )
568 {
569 case DEMUX_GET_POSITION:
570 *va_arg( args, double* ) = (double)pos / (double)len;
571 return VLC_SUCCESS;
572
573 case DEMUX_SET_POSITION:
574 pos = va_arg( args, double ) * len;
575 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
576 DVDNAV_STATUS_OK )
577 {
578 return VLC_SUCCESS;
579 }
580 break;
581
582 case DEMUX_GET_TIME:
583 if( p_sys->i_pgc_length > 0 )
584 {
585 *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
586 return VLC_SUCCESS;
587 }
588 break;
589
590 case DEMUX_GET_LENGTH:
591 if( p_sys->i_pgc_length > 0 )
592 {
593 *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
594 return VLC_SUCCESS;
595 }
596 break;
597 }
598 return VLC_EGENERIC;
599 }
600
601 /* Special for access_demux */
602 case DEMUX_CAN_PAUSE:
603 case DEMUX_CAN_SEEK:
604 case DEMUX_CAN_CONTROL_PACE:
605 /* TODO */
606 *va_arg( args, bool * ) = true;
607 return VLC_SUCCESS;
608
609 case DEMUX_SET_PAUSE_STATE:
610 return VLC_SUCCESS;
611
612 case DEMUX_GET_TITLE_INFO:
613 ppp_title = va_arg( args, input_title_t*** );
614 *va_arg( args, int* ) = p_sys->i_title;
615 *va_arg( args, int* ) = 0; /* Title offset */
616 *va_arg( args, int* ) = 1; /* Chapter offset */
617
618 /* Duplicate title infos */
619 *ppp_title = malloc( p_sys->i_title * sizeof( input_title_t * ) );
620 for( i = 0; i < p_sys->i_title; i++ )
621 {
622 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
623 }
624 return VLC_SUCCESS;
625
626 case DEMUX_SET_TITLE:
627 i = va_arg( args, int );
628 if( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
629 != DVDNAV_STATUS_OK )
630 {
631 msg_Warn( p_demux, "cannot set title/chapter" );
632 return VLC_EGENERIC;
633 }
634
635 if( i != 0 )
636 {
637 dvdnav_still_skip( p_sys->dvdnav );
638 if( dvdnav_title_play( p_sys->dvdnav, i ) != DVDNAV_STATUS_OK )
639 {
640 msg_Warn( p_demux, "cannot set title/chapter" );
641 return VLC_EGENERIC;
642 }
643 }
644
645 p_demux->info.i_update |=
646 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
647 p_demux->info.i_title = i;
648 p_demux->info.i_seekpoint = 0;
649 return VLC_SUCCESS;
650
651 case DEMUX_SET_SEEKPOINT:
652 i = va_arg( args, int );
653 if( p_demux->info.i_title == 0 )
654 {
655 static const int argtab[] = {
656 DVD_MENU_Escape,
657 DVD_MENU_Root,
658 DVD_MENU_Title,
659 DVD_MENU_Part,
660 DVD_MENU_Subpicture,
661 DVD_MENU_Audio,
662 DVD_MENU_Angle
663 };
664 enum { numargs = sizeof(argtab)/sizeof(int) };
665 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
666 dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
667 return VLC_EGENERIC;
668 }
669 else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
670 i + 1 ) != DVDNAV_STATUS_OK )
671 {
672 msg_Warn( p_demux, "cannot set title/chapter" );
673 return VLC_EGENERIC;
674 }
675 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
676 p_demux->info.i_seekpoint = i;
677 return VLC_SUCCESS;
678
679 case DEMUX_GET_PTS_DELAY:
680 *va_arg( args, int64_t * ) =
681 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
682 return VLC_SUCCESS;
683
684 case DEMUX_GET_META:
685 {
686 const char *title_name = NULL;
687
688 dvdnav_get_title_string(p_sys->dvdnav, &title_name);
689 if( (NULL != title_name) && ('\0' != title_name[0]) )
690 {
691 vlc_meta_t *p_meta = va_arg( args, vlc_meta_t* );
692 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
693 return VLC_SUCCESS;
694 }
695 return VLC_EGENERIC;
696 }
697
698 case DEMUX_NAV_ACTIVATE:
699 {
700 pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
701
702 ButtonUpdate( p_demux, true );
703 dvdnav_button_activate( p_sys->dvdnav, pci );
704 break;
705 }
706
707 case DEMUX_NAV_UP:
708 {
709 pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
710
711 dvdnav_upper_button_select( p_sys->dvdnav, pci );
712 break;
713 }
714
715 case DEMUX_NAV_DOWN:
716 {
717 pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
718
719 dvdnav_lower_button_select( p_sys->dvdnav, pci );
720 break;
721 }
722
723 case DEMUX_NAV_LEFT:
724 {
725 pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
726
727 dvdnav_left_button_select( p_sys->dvdnav, pci );
728 break;
729 }
730
731 case DEMUX_NAV_RIGHT:
732 {
733 pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
734
735 dvdnav_right_button_select( p_sys->dvdnav, pci );
736 break;
737 }
738
739 case DEMUX_NAV_MENU:
740 {
741 if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title )
742 != DVDNAV_STATUS_OK )
743 {
744 msg_Warn( p_demux, "cannot select Title menu" );
745 if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
746 != DVDNAV_STATUS_OK )
747 {
748 msg_Warn( p_demux, "cannot select Root menu" );
749 return VLC_EGENERIC;
750 }
751 }
752 p_demux->info.i_update |=
753 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
754 p_demux->info.i_title = 0;
755 p_demux->info.i_seekpoint = 2;
756 break;
757 }
758
759 /* TODO implement others */
760 default:
761 return VLC_EGENERIC;
762 }
763
764 return VLC_SUCCESS;
765 }
766
767 static int ControlInternal( demux_t *p_demux, int i_query, ... )
768 {
769 va_list args;
770 int i_result;
771
772 va_start( args, i_query );
773 i_result = Control( p_demux, i_query, args );
774 va_end( args );
775
776 return i_result;
777 }
778 /*****************************************************************************
779 * Demux:
780 *****************************************************************************/
781 static int Demux( demux_t *p_demux )
782 {
783 demux_sys_t *p_sys = p_demux->p_sys;
784
785 uint8_t buffer[DVD_VIDEO_LB_LEN];
786 uint8_t *packet = buffer;
787 int i_event;
788 int i_len;
789 dvdnav_status_t status;
790
791 if( p_sys->b_readahead )
792 status = dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event,
793 &i_len );
794 else
795 status = dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event,
796 &i_len );
797 if( status == DVDNAV_STATUS_ERR )
798 {
799 msg_Warn( p_demux, "cannot get next block (%s)",
800 dvdnav_err_to_string( p_sys->dvdnav ) );
801 if( p_demux->info.i_title == 0 )
802 {
803 msg_Dbg( p_demux, "jumping to first title" );
804 return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
805 }
806 return -1;
807 }
808
809 switch( i_event )
810 {
811 case DVDNAV_BLOCK_OK: /* mpeg block */
812 vlc_mutex_lock( &p_sys->still.lock );
813 vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
814 p_sys->still.b_enabled = false;
815 vlc_mutex_unlock( &p_sys->still.lock );
816 if( p_sys->b_reset_pcr )
817 {
818 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
819 p_sys->b_reset_pcr = false;
820 }
821 DemuxBlock( p_demux, packet, i_len );
822 if( p_sys->i_vobu_index > 0 )
823 {
824 if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
825 DemuxForceStill( p_demux );
826 p_sys->i_vobu_index++;
827 }
828 break;
829
830 case DVDNAV_NOP: /* Nothing */
831 msg_Dbg( p_demux, "DVDNAV_NOP" );
832 break;
833
834 case DVDNAV_STILL_FRAME:
835 {
836 dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
837 bool b_still_init = false;
838
839 vlc_mutex_lock( &p_sys->still.lock );
840 if( !p_sys->still.b_enabled )
841 {
842 msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
843 msg_Dbg( p_demux, " - length=0x%x", event->length );
844 p_sys->still.b_enabled = true;
845
846 if( event->length != 0xff && p_sys->still.b_created )
847 {
848 mtime_t delay = event->length * CLOCK_FREQ;
849 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
850 }
851
852 b_still_init = true;
853 }
854 vlc_mutex_unlock( &p_sys->still.lock );
855
856 if( b_still_init )
857 {
858 DemuxForceStill( p_demux );
859 p_sys->b_reset_pcr = true;
860 }
861 msleep( 40000 );
862 break;
863 }
864
865 case DVDNAV_SPU_CLUT_CHANGE:
866 {
867 int i;
868
869 msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
870 /* Update color lookup table (16 *uint32_t in packet) */
871 memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
872
873 /* HACK to get the SPU tracks registered in the right order */
874 for( i = 0; i < 0x1f; i++ )
875 {
876 if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
877 ESNew( p_demux, 0xbd20 + i );
878 }
879 /* END HACK */
880 break;
881 }
882
883 case DVDNAV_SPU_STREAM_CHANGE:
884 {
885 dvdnav_spu_stream_change_event_t *event =
886 (dvdnav_spu_stream_change_event_t*)packet;
887 int i;
888
889 msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
890 msg_Dbg( p_demux, " - physical_wide=%d",
891 event->physical_wide );
892 msg_Dbg( p_demux, " - physical_letterbox=%d",
893 event->physical_letterbox);
894 msg_Dbg( p_demux, " - physical_pan_scan=%d",
895 event->physical_pan_scan );
896
897 ESSubtitleUpdate( p_demux );
898 p_sys->b_spu_change = true;
899
900 /* HACK to get the SPU tracks registered in the right order */
901 for( i = 0; i < 0x1f; i++ )
902 {
903 if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
904 ESNew( p_demux, 0xbd20 + i );
905 }
906 /* END HACK */
907 break;
908 }
909
910 case DVDNAV_AUDIO_STREAM_CHANGE:
911 {
912 dvdnav_audio_stream_change_event_t *event =
913 (dvdnav_audio_stream_change_event_t*)packet;
914 msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
915 msg_Dbg( p_demux, " - physical=%d", event->physical );
916 /* TODO */
917 break;
918 }
919
920 case DVDNAV_VTS_CHANGE:
921 {
922 int32_t i_title = 0;
923 int32_t i_part = 0;
924
925 dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
926 msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
927 msg_Dbg( p_demux, " - vtsN=%d", event->new_vtsN );
928 msg_Dbg( p_demux, " - domain=%d", event->new_domain );
929
930 /* reset PCR */
931 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
932
933 for( int i = 0; i < PS_TK_COUNT; i++ )
934 {
935 ps_track_t *tk = &p_sys->tk[i];
936 if( tk->b_configured )
937 {
938 es_format_Clean( &tk->fmt );
939 if( tk->es ) es_out_Del( p_demux->out, tk->es );
940 }
941 tk->b_configured = false;
942 }
943
944 uint32_t i_width, i_height;
945 if( dvdnav_get_video_resolution( p_sys->dvdnav,
946 &i_width, &i_height ) )
947 i_width = i_height = 0;
948 switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
949 {
950 case 0:
951 p_sys->sar.i_num = 4 * i_height;
952 p_sys->sar.i_den = 3 * i_width;
953 break;
954 case 3:
955 p_sys->sar.i_num = 16 * i_height;
956 p_sys->sar.i_den = 9 * i_width;
957 break;
958 default:
959 p_sys->sar.i_num = 0;
960 p_sys->sar.i_den = 0;
961 break;
962 }
963
964 if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
965 &i_part ) == DVDNAV_STATUS_OK )
966 {
967 if( i_title >= 0 && i_title < p_sys->i_title &&
968 p_demux->info.i_title != i_title )
969 {
970 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
971 p_demux->info.i_title = i_title;
972 }
973 }
974 break;
975 }
976
977 case DVDNAV_CELL_CHANGE:
978 {
979 int32_t i_title = 0;
980 int32_t i_part = 0;
981
982 dvdnav_cell_change_event_t *event =
983 (dvdnav_cell_change_event_t*)packet;
984 msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
985 msg_Dbg( p_demux, " - cellN=%d", event->cellN );
986 msg_Dbg( p_demux, " - pgN=%d", event->pgN );
987 msg_Dbg( p_demux, " - cell_length=%"PRId64, event->cell_length );
988 msg_Dbg( p_demux, " - pg_length=%"PRId64, event->pg_length );
989 msg_Dbg( p_demux, " - pgc_length=%"PRId64, event->pgc_length );
990 msg_Dbg( p_demux, " - cell_start=%"PRId64, event->cell_start );
991 msg_Dbg( p_demux, " - pg_start=%"PRId64, event->pg_start );
992
993 /* Store the length in time of the current PGC */
994 p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
995 p_sys->i_vobu_index = 0;
996 p_sys->i_vobu_flush = 0;
997
998 /* FIXME is it correct or there is better way to know chapter change */
999 if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
1000 &i_part ) == DVDNAV_STATUS_OK )
1001 {
1002 if( i_title >= 0 && i_title < p_sys->i_title )
1003 {
1004 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
1005 p_demux->info.i_title = i_title;
1006
1007 if( i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint )
1008 {
1009 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
1010 p_demux->info.i_seekpoint = i_part - 1;
1011 }
1012 }
1013 }
1014 break;
1015 }
1016
1017 case DVDNAV_NAV_PACKET:
1018 {
1019 p_sys->i_vobu_index = 1;
1020 p_sys->i_vobu_flush = 0;
1021
1022 /* Look if we have need to force a flush (and when) */
1023 const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
1024 if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
1025 {
1026 const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
1027 if( p_dsi_gi->vobu_3rdref_ea != 0 )
1028 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
1029 else if( p_dsi_gi->vobu_2ndref_ea != 0 )
1030 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
1031 else if( p_dsi_gi->vobu_1stref_ea != 0 )
1032 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
1033 }
1034
1035 #ifdef DVDNAV_DEBUG
1036 msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
1037 #endif
1038 /* A lot of thing to do here :
1039 * - handle packet
1040 * - fetch pts (for time display)
1041 * - ...
1042 */
1043 DemuxBlock( p_demux, packet, i_len );
1044 if( p_sys->b_spu_change )
1045 {
1046 ButtonUpdate( p_demux, false );
1047 p_sys->b_spu_change = false;
1048 }
1049 break;
1050 }
1051
1052 case DVDNAV_STOP: /* EOF */
1053 msg_Dbg( p_demux, "DVDNAV_STOP" );
1054
1055 if( p_sys->b_readahead )
1056 dvdnav_free_cache_block( p_sys->dvdnav, packet );
1057 return 0;
1058
1059 case DVDNAV_HIGHLIGHT:
1060 {
1061 dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
1062 msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
1063 msg_Dbg( p_demux, " - display=%d", event->display );
1064 msg_Dbg( p_demux, " - buttonN=%d", event->buttonN );
1065 ButtonUpdate( p_demux, false );
1066 break;
1067 }
1068
1069 case DVDNAV_HOP_CHANNEL:
1070 msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
1071 p_sys->i_vobu_index = 0;
1072 p_sys->i_vobu_flush = 0;
1073 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1074 break;
1075
1076 case DVDNAV_WAIT:
1077 msg_Dbg( p_demux, "DVDNAV_WAIT" );
1078
1079 bool b_empty;
1080 es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1081 if( !b_empty )
1082 {
1083 msleep( 40*1000 );
1084 }
1085 else
1086 {
1087 dvdnav_wait_skip( p_sys->dvdnav );
1088 p_sys->b_reset_pcr = true;
1089 }
1090 break;
1091
1092 default:
1093 msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
1094 break;
1095 }
1096
1097 if( p_sys->b_readahead )
1098 dvdnav_free_cache_block( p_sys->dvdnav, packet );
1099
1100 return 1;
1101 }
1102
1103 /* Get a 2 char code
1104 * FIXME: partiallyy duplicated from src/input/es_out.c
1105 */
1106 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
1107 {
1108 const iso639_lang_t *pl;
1109 char *psz_lang;
1110 char *p;
1111
1112 psz_lang = var_CreateGetString( p_demux, psz_var );
1113 if( !psz_lang )
1114 return strdup(LANGUAGE_DEFAULT);
1115
1116 /* XXX: we will use only the first value
1117 * (and ignore other ones in case of a list) */
1118 if( ( p = strchr( psz_lang, ',' ) ) )
1119 *p = '\0';
1120
1121 for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
1122 {
1123 if( *psz_lang == '\0' )
1124 continue;
1125 if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
1126 !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
1127 !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
1128 !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
1129 break;
1130 }
1131
1132 free( psz_lang );
1133
1134 if( pl->psz_eng_name != NULL )
1135 return strdup( pl->psz_iso639_1 );
1136
1137 return strdup(LANGUAGE_DEFAULT);
1138 }
1139
1140 static void DemuxTitles( demux_t *p_demux )
1141 {
1142 demux_sys_t *p_sys = p_demux->p_sys;
1143 input_title_t *t;
1144 seekpoint_t *s;
1145 int32_t i_titles;
1146
1147 /* Menu */
1148 t = vlc_input_title_New();
1149 t->i_flags = INPUT_TITLE_MENU | INPUT_TITLE_INTERACTIVE;
1150 t->psz_name = strdup( "DVD Menu" );
1151
1152 s = vlc_seekpoint_New();
1153 s->psz_name = strdup( "Resume" );
1154 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1155
1156 s = vlc_seekpoint_New();
1157 s->psz_name = strdup( "Root" );
1158 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1159
1160 s = vlc_seekpoint_New();
1161 s->psz_name = strdup( "Title" );
1162 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1163
1164 s = vlc_seekpoint_New();
1165 s->psz_name = strdup( "Chapter" );
1166 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1167
1168 s = vlc_seekpoint_New();
1169 s->psz_name = strdup( "Subtitle" );
1170 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1171
1172 s = vlc_seekpoint_New();
1173 s->psz_name = strdup( "Audio" );
1174 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1175
1176 s = vlc_seekpoint_New();
1177 s->psz_name = strdup( "Angle" );
1178 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1179
1180 TAB_APPEND( p_sys->i_title, p_sys->title, t );
1181
1182 /* Find out number of titles/chapters */
1183 dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
1184
1185 if( i_titles > 90 )
1186 msg_Err( p_demux, "This is probably an Arccos Protected DVD. This could take time..." );
1187
1188 for( int i = 1; i <= i_titles; i++ )
1189 {
1190 uint64_t i_title_length;
1191 uint64_t *p_chapters_time;
1192
1193 int32_t i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
1194 &p_chapters_time,
1195 &i_title_length );
1196 if( i_chapters < 1 )
1197 {
1198 i_title_length = 0;
1199 p_chapters_time = NULL;
1200 }
1201 t = vlc_input_title_New();
1202 t->i_length = i_title_length * 1000 / 90;
1203 for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
1204 {
1205 s = vlc_seekpoint_New();
1206 if( p_chapters_time )
1207 s->i_time_offset = p_chapters_time[j] * 1000 / 90;
1208 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1209 }
1210 free( p_chapters_time );
1211 TAB_APPEND( p_sys->i_title, p_sys->title, t );
1212 }
1213 }
1214
1215 /*****************************************************************************
1216 * Update functions:
1217 *****************************************************************************/
1218 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1219 {
1220 demux_sys_t *p_sys = p_demux->p_sys;
1221 int32_t i_title, i_part;
1222
1223 dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1224
1225 dvdnav_highlight_area_t hl;
1226 int32_t i_button;
1227 bool b_button_ok;
1228
1229 if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1230 != DVDNAV_STATUS_OK )
1231 {
1232 msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1233 return;
1234 }
1235
1236 b_button_ok = false;
1237 if( i_button > 0 && i_title == 0 )
1238 {
1239 pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1240
1241 b_button_ok = DVDNAV_STATUS_OK ==
1242 dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1243 }
1244
1245 if( b_button_ok )
1246 {
1247 for( unsigned i = 0; i < 4; i++ )
1248 {
1249 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1250 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1251
1252 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1253 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1254 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1255 p_sys->palette[i][3] = i_alpha;
1256 }
1257
1258 vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1259 var_SetInteger( p_demux->p_input, "x-start", hl.sx );
1260 var_SetInteger( p_demux->p_input, "x-end", hl.ex );
1261 var_SetInteger( p_demux->p_input, "y-start", hl.sy );
1262 var_SetInteger( p_demux->p_input, "y-end", hl.ey );
1263
1264 var_SetAddress( p_demux->p_input, "menu-palette", p_sys->palette );
1265 var_SetBool( p_demux->p_input, "highlight", true );
1266
1267 msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1268 }
1269 else
1270 {
1271 msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1272 i_button, i_title );
1273
1274 /* Show all */
1275 vlc_global_lock( VLC_HIGHLIGHT_MUTEX );
1276 var_SetBool( p_demux->p_input, "highlight", false );
1277 }
1278 vlc_global_unlock( VLC_HIGHLIGHT_MUTEX );
1279 }
1280
1281 static void ESSubtitleUpdate( demux_t *p_demux )
1282 {
1283 demux_sys_t *p_sys = p_demux->p_sys;
1284 int i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1285 int32_t i_title, i_part;
1286
1287 ButtonUpdate( p_demux, false );
1288
1289 dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1290 if( i_title > 0 ) return;
1291
1292 /* dvdnav_get_active_spu_stream sets (in)visibility flag as 0xF0 */
1293 if( i_spu >= 0 && i_spu <= 0x1f )
1294 {
1295 ps_track_t *tk = &p_sys->tk[ps_id_to_tk(0xbd20 + i_spu)];
1296
1297 ESNew( p_demux, 0xbd20 + i_spu );
1298
1299 /* be sure to unselect it (reset) */
1300 if( tk->es )
1301 {
1302 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1303 (bool)false );
1304
1305 /* now select it */
1306 es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1307 }
1308 }
1309 else
1310 {
1311 for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1312 {
1313 ps_track_t *tk = &p_sys->tk[ps_id_to_tk(0xbd20 + i_spu)];
1314 if( tk->es )
1315 {
1316 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1317 (bool)false );
1318 }
1319 }
1320 }
1321 }
1322
1323 /*****************************************************************************
1324 * DemuxBlock: demux a given block
1325 *****************************************************************************/
1326 static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
1327 {
1328 demux_sys_t *p_sys = p_demux->p_sys;
1329
1330 while( len > 0 )
1331 {
1332 int i_size = ps_pkt_size( p, len );
1333 if( i_size <= 0 || i_size > len )
1334 {
1335 break;
1336 }
1337
1338 /* Create a block */
1339 block_t *p_pkt = block_Alloc( i_size );
1340 memcpy( p_pkt->p_buffer, p, i_size);
1341
1342 /* Parse it and send it */
1343 switch( 0x100 | p[3] )
1344 {
1345 case 0x1b9:
1346 case 0x1bb:
1347 case 0x1bc:
1348 #ifdef DVDNAV_DEBUG
1349 if( p[3] == 0xbc )
1350 {
1351 msg_Warn( p_demux, "received a PSM packet" );
1352 }
1353 else if( p[3] == 0xbb )
1354 {
1355 msg_Warn( p_demux, "received a SYSTEM packet" );
1356 }
1357 #endif
1358 block_Release( p_pkt );
1359 break;
1360
1361 case 0x1ba:
1362 {
1363 int64_t i_scr;
1364 int i_mux_rate;
1365 if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1366 {
1367 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1368 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1369 }
1370 block_Release( p_pkt );
1371 break;
1372 }
1373 default:
1374 {
1375 int i_id = ps_pkt_id( p_pkt );
1376 if( i_id >= 0xc0 )
1377 {
1378 ps_track_t *tk = &p_sys->tk[ps_id_to_tk(i_id)];
1379
1380 if( !tk->b_configured )
1381 {
1382 ESNew( p_demux, i_id );
1383 }
1384 if( tk->es &&
1385 !ps_pkt_parse_pes( VLC_OBJECT(p_demux), p_pkt, tk->i_skip ) )
1386 {
1387 es_out_Send( p_demux->out, tk->es, p_pkt );
1388 }
1389 else
1390 {
1391 block_Release( p_pkt );
1392 }
1393 }
1394 else
1395 {
1396 block_Release( p_pkt );
1397 }
1398 break;
1399 }
1400 }
1401
1402 p += i_size;
1403 len -= i_size;
1404 }
1405
1406 return VLC_SUCCESS;
1407 }
1408
1409 /*****************************************************************************
1410 * Force still images to be displayed by sending EOS and stopping buffering.
1411 *****************************************************************************/
1412 static void DemuxForceStill( demux_t *p_demux )
1413 {
1414 static const uint8_t buffer[] = {
1415 0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1416 0x80, 0x00, 0x00,
1417 0x00, 0x00, 0x01, 0xB7,
1418 };
1419 DemuxBlock( p_demux, buffer, sizeof(buffer) );
1420
1421 bool b_empty;
1422 es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1423 }
1424
1425 /*****************************************************************************
1426 * ESNew: register a new elementary stream
1427 *****************************************************************************/
1428 static void ESNew( demux_t *p_demux, int i_id )
1429 {
1430 demux_sys_t *p_sys = p_demux->p_sys;
1431 ps_track_t *tk = &p_sys->tk[ps_id_to_tk(i_id)];
1432 bool b_select = false;
1433
1434 if( tk->b_configured ) return;
1435
1436 if( ps_track_fill( tk, 0, i_id, NULL, true ) )
1437 {
1438 msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1439 return;
1440 }
1441
1442 /* Add a new ES */
1443 if( tk->fmt.i_cat == VIDEO_ES )
1444 {
1445 tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1446 tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1447 b_select = true;
1448 }
1449 else if( tk->fmt.i_cat == AUDIO_ES )
1450 {
1451 int i_audio = -1;
1452 /* find the audio number PLEASE find another way */
1453 if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
1454 {
1455 i_audio = i_id&0x07;
1456 }
1457 else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
1458 {
1459 i_audio = i_id&0xf;
1460 }
1461 else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
1462 {
1463 i_audio = i_id&0x1f;
1464 }
1465 else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
1466 {
1467 i_audio = i_id&0x1f;
1468 }
1469 if( i_audio >= 0 )
1470 {
1471 int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1472 if( i_lang != 0xffff )
1473 {
1474 tk->fmt.psz_language = malloc( 3 );
1475 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1476 tk->fmt.psz_language[1] = (i_lang )&0xff;
1477 tk->fmt.psz_language[2] = 0;
1478 }
1479 if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1480 {
1481 b_select = true;
1482 }
1483 }
1484 }
1485 else if( tk->fmt.i_cat == SPU_ES )
1486 {
1487 int32_t i_title, i_part;
1488 int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1489 if( i_lang != 0xffff )
1490 {
1491 tk->fmt.psz_language = malloc( 3 );
1492 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1493 tk->fmt.psz_language[1] = (i_lang )&0xff;
1494 tk->fmt.psz_language[2] = 0;
1495 }
1496
1497 /* Palette */
1498 tk->fmt.subs.spu.palette[0] = SPU_PALETTE_DEFINED;
1499 memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1500 16 * sizeof( uint32_t ) );
1501
1502 /* We select only when we are not in the menu */
1503 dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1504 if( i_title > 0 &&
1505 dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1506 {
1507 b_select = true;
1508 }
1509 }
1510
1511 tk->fmt.i_id = i_id;
1512 tk->es = es_out_Add( p_demux->out, &tk->fmt );
1513 if( b_select && tk->es )
1514 {
1515 es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1516 }
1517 tk->b_configured = true;
1518
1519 if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1520 }
1521
1522 /*****************************************************************************
1523 * Still image end
1524 *****************************************************************************/
1525 static void StillTimer( void *p_data )
1526 {
1527 demux_sys_t *p_sys = p_data;
1528
1529 vlc_mutex_lock( &p_sys->still.lock );
1530 if( likely(p_sys->still.b_enabled) )
1531 {
1532 p_sys->still.b_enabled = false;
1533 dvdnav_still_skip( p_sys->dvdnav );
1534 }
1535 vlc_mutex_unlock( &p_sys->still.lock );
1536 }
1537
1538 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1539 vlc_value_t oldval, vlc_value_t val, void *p_data )
1540 {
1541 demux_t *p_demux = p_data;
1542 demux_sys_t *p_sys = p_demux->p_sys;
1543
1544 /* FIXME? PCI usage thread safe? */
1545 pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1546 int x = val.coords.x;
1547 int y = val.coords.y;
1548
1549 if( psz_var[6] == 'm' ) /* mouse-moved */
1550 dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1551 else
1552 {
1553 assert( psz_var[6] == 'c' ); /* mouse-clicked */
1554
1555 ButtonUpdate( p_demux, true );
1556 dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1557 }
1558 (void)p_vout;
1559 (void)oldval;
1560 return VLC_SUCCESS;
1561 }
1562
1563 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1564 vlc_value_t oldval, vlc_value_t val, void *p_data )
1565 {
1566 demux_t *p_demux = p_data;
1567 demux_sys_t *p_sys = p_demux->p_sys;
1568
1569 if (val.i_int == INPUT_EVENT_VOUT)
1570 {
1571 if( p_sys->p_vout != NULL )
1572 {
1573 var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1574 var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1575 vlc_object_release( p_sys->p_vout );
1576 }
1577
1578 p_sys->p_vout = input_GetVout( (input_thread_t *)p_input );
1579 if( p_sys->p_vout != NULL )
1580 {
1581 var_AddCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
1582 var_AddCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
1583 }
1584 }
1585 (void) psz_var; (void) oldval;
1586 return VLC_SUCCESS;
1587 }
1588
1589 /*****************************************************************************
1590 * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1591 *****************************************************************************/
1592 static int ProbeDVD( const char *psz_name )
1593 {
1594 if( !*psz_name )
1595 /* Triggers libdvdcss autodetection */
1596 return VLC_SUCCESS;
1597
1598 int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
1599 if( fd == -1 )
1600 #ifdef HAVE_FDOPENDIR
1601 return VLC_EGENERIC;
1602 #else
1603 return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
1604 #endif
1605
1606 int ret = VLC_EGENERIC;
1607 struct stat stat_info;
1608
1609 if( fstat( fd, &stat_info ) == -1 )
1610 goto bailout;
1611 if( !S_ISREG( stat_info.st_mode ) )
1612 {
1613 if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
1614 ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1615 goto bailout;
1616 }
1617
1618 /* ISO 9660 volume descriptor */
1619 char iso_dsc[6];
1620 if( lseek( fd, 0x8000 + 1, SEEK_SET ) == -1
1621 || read( fd, iso_dsc, sizeof (iso_dsc) ) < (int)sizeof (iso_dsc)
1622 || memcmp( iso_dsc, "CD001\x01", 6 ) )
1623 goto bailout;
1624
1625 /* Try to find the anchor (2 bytes at LBA 256) */
1626 uint16_t anchor;
1627
1628 if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1629 && read( fd, &anchor, 2 ) == 2
1630 && GetWLE( &anchor ) == 2 )
1631 ret = VLC_SUCCESS; /* Found a potential anchor */
1632 bailout:
1633 vlc_close( fd );
1634 return ret;
1635 }
VLC Development tree mirror