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[vlc] / modules / access / dvdnav.c
1 /*****************************************************************************
2  * dvdnav.c: DVD module using the dvdnav library.
3  *****************************************************************************
4  * Copyright (C) 2004-2009 the VideoLAN team
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
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 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 General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write to the Free Software Foundation, Inc.,
21  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22  *****************************************************************************/
23
24 /*****************************************************************************
25  * Preamble
26  *****************************************************************************/
27
28 #ifdef HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31
32 #include <assert.h>
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
35 #include <vlc_input.h>
36 #include <vlc_access.h>
37 #include <vlc_demux.h>
38 #include <vlc_charset.h>
39 #include <vlc_fs.h>
40 #include <vlc_url.h>
41
42 #include <vlc_dialog.h>
43
44 #ifdef HAVE_UNISTD_H
45 #   include <unistd.h>
46 #endif
47 #include <sys/types.h>
48 #ifdef HAVE_SYS_STAT_H
49 #   include <sys/stat.h>
50 #endif
51 #ifdef HAVE_FCNTL_H
52 #   include <fcntl.h>
53 #endif
54
55 #include <vlc_keys.h>
56 #include <vlc_iso_lang.h>
57
58 /* FIXME we should find a better way than including that */
59 #include "../../src/text/iso-639_def.h"
60
61
62 #include <dvdnav/dvdnav.h>
63
64 #include "../demux/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 CACHING_TEXT N_("Caching value in ms")
74 #define CACHING_LONGTEXT N_( \
75     "Caching value for DVDs. This "\
76     "value should be set in milliseconds." )
77 #define MENU_TEXT N_("Start directly in menu")
78 #define MENU_LONGTEXT N_( \
79     "Start the DVD directly in the main menu. This "\
80     "will try to skip all the useless warning introductions." )
81
82 #define LANGUAGE_DEFAULT ("en")
83
84 static int  Open ( vlc_object_t * );
85 static void Close( vlc_object_t * );
86
87 vlc_module_begin ()
88     set_shortname( N_("DVD with menus") )
89     set_description( N_("DVDnav Input") )
90     set_category( CAT_INPUT )
91     set_subcategory( SUBCAT_INPUT_ACCESS )
92     add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
93         ANGLE_LONGTEXT, false )
94     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
95         CACHING_TEXT, CACHING_LONGTEXT, true )
96     add_bool( "dvdnav-menu", true, NULL,
97         MENU_TEXT, MENU_LONGTEXT, false )
98     set_capability( "access_demux", 5 )
99     add_shortcut( "dvd", "dvdnav", "file" )
100     set_callbacks( Open, Close )
101 vlc_module_end ()
102
103 /* Shall we use libdvdnav's read ahead cache? */
104 #define DVD_READ_CACHE 1
105
106 /*****************************************************************************
107  * Local prototypes
108  *****************************************************************************/
109 struct demux_sys_t
110 {
111     dvdnav_t    *dvdnav;
112
113     /* */
114     bool        b_reset_pcr;
115
116     struct
117     {
118         bool         b_created;
119         bool         b_enabled;
120         vlc_mutex_t  lock;
121         vlc_timer_t  timer;
122     } still;
123
124     /* track */
125     ps_track_t  tk[PS_TK_COUNT];
126     int         i_mux_rate;
127
128     /* for spu variables */
129     input_thread_t *p_input;
130
131     /* event */
132     vlc_object_t *p_vout;
133
134     /* palette for menus */
135     uint32_t clut[16];
136     uint8_t  palette[4][4];
137     bool b_spu_change;
138
139     /* Aspect ration */
140     struct {
141         unsigned i_num;
142         unsigned i_den;
143     } sar;
144
145     /* */
146     int           i_title;
147     input_title_t **title;
148
149     /* lenght of program group chain */
150     mtime_t     i_pgc_length;
151     int         i_vobu_index;
152     int         i_vobu_flush;
153 };
154
155 static int Control( demux_t *, int, va_list );
156 static int Demux( demux_t * );
157 static int DemuxBlock( demux_t *, const uint8_t *, int );
158 static void DemuxForceStill( demux_t * );
159
160 static void DemuxTitles( demux_t * );
161 static void ESSubtitleUpdate( demux_t * );
162 static void ButtonUpdate( demux_t *, bool );
163
164 static void ESNew( demux_t *, int );
165 static int ProbeDVD( demux_t *, char * );
166
167 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
168
169 static int ControlInternal( demux_t *, int, ... );
170
171 static void StillTimer( void * );
172
173 static int EventKey( vlc_object_t *, char const *,
174                      vlc_value_t, vlc_value_t, void * );
175 static int EventMouse( vlc_object_t *, char const *,
176                        vlc_value_t, vlc_value_t, void * );
177 static int EventIntf( vlc_object_t *, char const *,
178                       vlc_value_t, vlc_value_t, void * );
179
180 /*****************************************************************************
181  * DemuxOpen:
182  *****************************************************************************/
183 static int Open( vlc_object_t *p_this )
184 {
185     demux_t     *p_demux = (demux_t*)p_this;
186     demux_sys_t *p_sys;
187     dvdnav_t    *p_dvdnav;
188     int         i_angle;
189     char        *psz_name;
190     char        *psz_code;
191
192     if( !p_demux->psz_file || !*p_demux->psz_file )
193     {
194         /* Only when selected */
195         if( !p_demux->psz_access || !*p_demux->psz_access )
196             return VLC_EGENERIC;
197
198         psz_name = var_CreateGetString( p_this, "dvd" );
199         if( !psz_name )
200         {
201             psz_name = strdup("");
202         }
203     }
204     else
205         psz_name = ToLocaleDup( p_demux->psz_file );
206
207 #ifdef WIN32
208     /* Remove trailing backslash, otherwise dvdnav_open will fail */
209     if( *psz_name && *(psz_name + strlen(psz_name) - 1) == '\\' )
210     {
211         *(psz_name + strlen(psz_name) - 1) = '\0';
212     }
213 #endif
214
215     /* Try some simple probing to avoid going through dvdnav_open too often */
216     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
217     {
218         free( psz_name );
219         return VLC_EGENERIC;
220     }
221
222     /* Open dvdnav */
223     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
224     {
225         msg_Warn( p_demux, "cannot open dvdnav" );
226         free( psz_name );
227         return VLC_EGENERIC;
228     }
229     free( psz_name );
230
231     /* Fill p_demux field */
232     DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
233     p_sys->dvdnav = p_dvdnav;
234     p_sys->b_reset_pcr = false;
235
236     ps_track_init( p_sys->tk );
237     p_sys->sar.i_num = 0;
238     p_sys->sar.i_den = 0;
239     p_sys->i_mux_rate = 0;
240     p_sys->i_pgc_length = 0;
241     p_sys->b_spu_change = false;
242     p_sys->i_vobu_index = 0;
243     p_sys->i_vobu_flush = 0;
244
245     if( 1 )
246     {
247         // Hack for libdvdnav CVS.
248         // Without it dvdnav_get_number_of_titles() fails.
249         // Remove when fixed in libdvdnav CVS.
250         uint8_t buffer[DVD_VIDEO_LB_LEN];
251         int i_event, i_len;
252
253         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
254               == DVDNAV_STATUS_ERR )
255         {
256             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
257         }
258
259         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
260     }
261
262     /* Configure dvdnav */
263     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
264           DVDNAV_STATUS_OK )
265     {
266         msg_Warn( p_demux, "cannot set read-a-head flag" );
267     }
268
269     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
270           DVDNAV_STATUS_OK )
271     {
272         msg_Warn( p_demux, "cannot set PGC positioning flag" );
273     }
274
275     /* Set menu language
276      * XXX A menu-language may be better than sub-language */
277     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
278     if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
279         DVDNAV_STATUS_OK )
280     {
281         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
282                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
283         /* We try to fall back to 'en' */
284         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
285             dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
286     }
287     free( psz_code );
288
289     /* Set audio language */
290     psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
291     if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
292         DVDNAV_STATUS_OK )
293     {
294         msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
295                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
296         /* We try to fall back to 'en' */
297         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
298             dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
299     }
300     free( psz_code );
301
302     /* Set spu language */
303     psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
304     if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
305         DVDNAV_STATUS_OK )
306     {
307         msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
308                   psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
309         /* We try to fall back to 'en' */
310         if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
311             dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
312     }
313     free( psz_code );
314
315     DemuxTitles( p_demux );
316
317     if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
318     {
319         msg_Dbg( p_demux, "trying to go to dvd menu" );
320
321         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
322         {
323             msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
324             dialog_Fatal( p_demux, _("Playback failure"), "%s",
325                             _("VLC cannot set the DVD's title. It possibly "
326                               "cannot decrypt the entire disc.") );
327             dvdnav_close( p_sys->dvdnav );
328             free( p_sys );
329             return VLC_EGENERIC;
330         }
331
332         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
333             DVDNAV_STATUS_OK )
334         {
335             /* Try going to menu root */
336             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
337                 DVDNAV_STATUS_OK )
338                     msg_Warn( p_demux, "cannot go to dvd menu" );
339         }
340     }
341
342     i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
343     if( i_angle <= 0 ) i_angle = 1;
344
345     /* Update default_pts to a suitable value for dvdnav access */
346     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
347
348     /* FIXME hack hack hack hack FIXME */
349     /* Get p_input and create variable */
350     p_sys->p_input = demux_GetParentInput( p_demux );
351     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
352     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
353     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
354     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
355     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
356     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
357     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
358     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
359
360     /* catch all key event */
361     var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
362     /* catch vout creation event */
363     var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
364
365     p_sys->still.b_enabled = false;
366     vlc_mutex_init( &p_sys->still.lock );
367     if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
368         p_sys->still.b_created = true;
369
370     return VLC_SUCCESS;
371 }
372
373 /*****************************************************************************
374  * Close:
375  *****************************************************************************/
376 static void Close( vlc_object_t *p_this )
377 {
378     demux_t     *p_demux = (demux_t*)p_this;
379     demux_sys_t *p_sys = p_demux->p_sys;
380     int i;
381
382     /* Stop vout event handler */
383     var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
384     if( p_sys->p_vout != NULL )
385     {   /* Should not happen, but better be safe than sorry. */
386         msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
387         var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
388         var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
389     }
390
391     /* Stop key event handler (FIXME: should really be per-vout too) */
392     var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
393
394     /* Stop still image handler */
395     if( p_sys->still.b_created )
396         vlc_timer_destroy( p_sys->still.timer );
397     vlc_mutex_destroy( &p_sys->still.lock );
398
399     var_Destroy( p_sys->p_input, "highlight-mutex" );
400     var_Destroy( p_sys->p_input, "highlight" );
401     var_Destroy( p_sys->p_input, "x-start" );
402     var_Destroy( p_sys->p_input, "x-end" );
403     var_Destroy( p_sys->p_input, "y-start" );
404     var_Destroy( p_sys->p_input, "y-end" );
405     var_Destroy( p_sys->p_input, "color" );
406     var_Destroy( p_sys->p_input, "menu-palette" );
407
408     vlc_object_release( p_sys->p_input );
409
410     for( i = 0; i < PS_TK_COUNT; i++ )
411     {
412         ps_track_t *tk = &p_sys->tk[i];
413         if( tk->b_seen )
414         {
415             es_format_Clean( &tk->fmt );
416             if( tk->es ) es_out_Del( p_demux->out, tk->es );
417         }
418     }
419
420     dvdnav_close( p_sys->dvdnav );
421     free( p_sys );
422 }
423
424 /*****************************************************************************
425  * Control:
426  *****************************************************************************/
427 static int Control( demux_t *p_demux, int i_query, va_list args )
428 {
429     demux_sys_t *p_sys = p_demux->p_sys;
430     input_title_t ***ppp_title;
431     int i;
432
433     switch( i_query )
434     {
435         case DEMUX_SET_POSITION:
436         case DEMUX_GET_POSITION:
437         case DEMUX_GET_TIME:
438         case DEMUX_GET_LENGTH:
439         {
440             uint32_t pos, len;
441             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
442                   DVDNAV_STATUS_OK || len == 0 )
443             {
444                 return VLC_EGENERIC;
445             }
446
447             switch( i_query )
448             {
449             case DEMUX_GET_POSITION:
450                 *va_arg( args, double* ) = (double)pos / (double)len;
451                 return VLC_SUCCESS;
452
453             case DEMUX_SET_POSITION:
454                 pos = va_arg( args, double ) * len;
455                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
456                       DVDNAV_STATUS_OK )
457                 {
458                     return VLC_SUCCESS;
459                 }
460                 break;
461
462             case DEMUX_GET_TIME:
463                 if( p_sys->i_pgc_length > 0 )
464                 {
465                     *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
466                     return VLC_SUCCESS;
467                 }
468                 break;
469
470             case DEMUX_GET_LENGTH:
471                 if( p_sys->i_pgc_length > 0 )
472                 {
473                     *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
474                     return VLC_SUCCESS;
475                 }
476                 break;
477             }
478             return VLC_EGENERIC;
479         }
480
481         /* Special for access_demux */
482         case DEMUX_CAN_PAUSE:
483         case DEMUX_CAN_SEEK:
484         case DEMUX_CAN_CONTROL_PACE:
485             /* TODO */
486             *va_arg( args, bool * ) = true;
487             return VLC_SUCCESS;
488
489         case DEMUX_SET_PAUSE_STATE:
490             return VLC_SUCCESS;
491
492         case DEMUX_GET_TITLE_INFO:
493             ppp_title = va_arg( args, input_title_t*** );
494             *va_arg( args, int* ) = p_sys->i_title;
495             *va_arg( args, int* ) = 0; /* Title offset */
496             *va_arg( args, int* ) = 1; /* Chapter offset */
497
498             /* Duplicate title infos */
499             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
500             for( i = 0; i < p_sys->i_title; i++ )
501             {
502                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
503             }
504             return VLC_SUCCESS;
505
506         case DEMUX_SET_TITLE:
507             i = (int)va_arg( args, int );
508             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
509                   != DVDNAV_STATUS_OK ) ||
510                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
511                   != DVDNAV_STATUS_OK ) )
512             {
513                 msg_Warn( p_demux, "cannot set title/chapter" );
514                 return VLC_EGENERIC;
515             }
516             p_demux->info.i_update |=
517                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
518             p_demux->info.i_title = i;
519             p_demux->info.i_seekpoint = 0;
520             return VLC_SUCCESS;
521
522         case DEMUX_SET_SEEKPOINT:
523             i = va_arg( args, int );
524             if( p_demux->info.i_title == 0 )
525             {
526                 static const int argtab[] = {
527                     DVD_MENU_Escape,
528                     DVD_MENU_Root,
529                     DVD_MENU_Title,
530                     DVD_MENU_Part,
531                     DVD_MENU_Subpicture,
532                     DVD_MENU_Audio,
533                     DVD_MENU_Angle
534                 };
535                 enum { numargs = sizeof(argtab)/sizeof(int) };
536                 if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
537                            dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
538                     return VLC_EGENERIC;
539             }
540             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
541                                        i + 1 ) != DVDNAV_STATUS_OK )
542             {
543                 msg_Warn( p_demux, "cannot set title/chapter" );
544                 return VLC_EGENERIC;
545             }
546             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
547             p_demux->info.i_seekpoint = i;
548             return VLC_SUCCESS;
549
550         case DEMUX_GET_PTS_DELAY:
551             *va_arg( args, int64_t * )
552                  = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
553             return VLC_SUCCESS;
554
555         case DEMUX_GET_META:
556         {
557             const char *title_name = NULL;
558
559             dvdnav_get_title_string(p_sys->dvdnav, &title_name);
560             if( (NULL != title_name) && ('\0' != title_name[0]) )
561             {
562                 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
563                 vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
564                 return VLC_SUCCESS;
565             }
566             return VLC_EGENERIC;
567         }
568
569         /* TODO implement others */
570         default:
571             return VLC_EGENERIC;
572     }
573 }
574
575 static int ControlInternal( demux_t *p_demux, int i_query, ... )
576 {
577     va_list args;
578     int     i_result;
579
580     va_start( args, i_query );
581     i_result = Control( p_demux, i_query, args );
582     va_end( args );
583
584     return i_result;
585 }
586 /*****************************************************************************
587  * Demux:
588  *****************************************************************************/
589 static int Demux( demux_t *p_demux )
590 {
591     demux_sys_t *p_sys = p_demux->p_sys;
592
593     uint8_t buffer[DVD_VIDEO_LB_LEN];
594     uint8_t *packet = buffer;
595     int i_event;
596     int i_len;
597
598 #if DVD_READ_CACHE
599     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
600         == DVDNAV_STATUS_ERR )
601 #else
602     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
603         == DVDNAV_STATUS_ERR )
604 #endif
605     {
606         msg_Warn( p_demux, "cannot get next block (%s)",
607                   dvdnav_err_to_string( p_sys->dvdnav ) );
608         if( p_demux->info.i_title == 0 )
609         {
610             msg_Dbg( p_demux, "jumping to first title" );
611             return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
612         }
613         return -1;
614     }
615
616     switch( i_event )
617     {
618     case DVDNAV_BLOCK_OK:   /* mpeg block */
619         vlc_mutex_lock( &p_sys->still.lock );
620         vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
621         p_sys->still.b_enabled = false;
622         vlc_mutex_unlock( &p_sys->still.lock );
623         if( p_sys->b_reset_pcr )
624         {
625             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
626             p_sys->b_reset_pcr = false;
627         }
628         DemuxBlock( p_demux, packet, i_len );
629         if( p_sys->i_vobu_index > 0 )
630         {
631             if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
632                 DemuxForceStill( p_demux );
633             p_sys->i_vobu_index++;
634         }
635         break;
636
637     case DVDNAV_NOP:    /* Nothing */
638         msg_Dbg( p_demux, "DVDNAV_NOP" );
639         break;
640
641     case DVDNAV_STILL_FRAME:
642     {
643         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
644         bool b_still_init = false;
645
646         vlc_mutex_lock( &p_sys->still.lock );
647         if( !p_sys->still.b_enabled )
648         {
649             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
650             msg_Dbg( p_demux, "     - length=0x%x", event->length );
651             p_sys->still.b_enabled = true;
652
653             if( event->length != 0xff && p_sys->still.b_created )
654             {
655                 mtime_t delay = event->length * CLOCK_FREQ;
656                 vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
657             }
658
659             b_still_init = true;
660         }
661         vlc_mutex_unlock( &p_sys->still.lock );
662
663         if( b_still_init )
664         {
665             DemuxForceStill( p_demux );
666             p_sys->b_reset_pcr = true;
667         }
668         msleep( 40000 );
669         break;
670     }
671
672     case DVDNAV_SPU_CLUT_CHANGE:
673     {
674         int i;
675
676         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
677         /* Update color lookup table (16 *uint32_t in packet) */
678         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
679
680         /* HACK to get the SPU tracks registered in the right order */
681         for( i = 0; i < 0x1f; i++ )
682         {
683             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
684                 ESNew( p_demux, 0xbd20 + i );
685         }
686         /* END HACK */
687         break;
688     }
689
690     case DVDNAV_SPU_STREAM_CHANGE:
691     {
692         dvdnav_spu_stream_change_event_t *event =
693             (dvdnav_spu_stream_change_event_t*)packet;
694         int i;
695
696         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
697         msg_Dbg( p_demux, "     - physical_wide=%d",
698                  event->physical_wide );
699         msg_Dbg( p_demux, "     - physical_letterbox=%d",
700                  event->physical_letterbox);
701         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
702                  event->physical_pan_scan );
703
704         ESSubtitleUpdate( p_demux );
705         p_sys->b_spu_change = true;
706
707         /* HACK to get the SPU tracks registered in the right order */
708         for( i = 0; i < 0x1f; i++ )
709         {
710             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
711                 ESNew( p_demux, 0xbd20 + i );
712         }
713         /* END HACK */
714         break;
715     }
716
717     case DVDNAV_AUDIO_STREAM_CHANGE:
718     {
719         dvdnav_audio_stream_change_event_t *event =
720             (dvdnav_audio_stream_change_event_t*)packet;
721         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
722         msg_Dbg( p_demux, "     - physical=%d", event->physical );
723         /* TODO */
724         break;
725     }
726
727     case DVDNAV_VTS_CHANGE:
728     {
729         int32_t i_title = 0;
730         int32_t i_part  = 0;
731         int i;
732
733         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
734         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
735         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
736         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
737
738         /* reset PCR */
739         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
740
741         for( i = 0; i < PS_TK_COUNT; i++ )
742         {
743             ps_track_t *tk = &p_sys->tk[i];
744             if( tk->b_seen )
745             {
746                 es_format_Clean( &tk->fmt );
747                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
748             }
749             tk->b_seen = false;
750         }
751
752 #if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
753         uint32_t i_width, i_height;
754         if( dvdnav_get_video_resolution( p_sys->dvdnav,
755                                          &i_width, &i_height ) )
756             i_width = i_height = 0;
757         switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
758         {
759         case 0:
760             p_sys->sar.i_num = 4 * i_height;
761             p_sys->sar.i_den = 3 * i_width;
762             break;
763         case 3:
764             p_sys->sar.i_num = 16 * i_height;
765             p_sys->sar.i_den =  9 * i_width;
766             break;
767         default:
768             p_sys->sar.i_num = 0;
769             p_sys->sar.i_den = 0;
770             break;
771         }
772 #endif
773
774         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
775                                        &i_part ) == DVDNAV_STATUS_OK )
776         {
777             if( i_title >= 0 && i_title < p_sys->i_title &&
778                 p_demux->info.i_title != i_title )
779             {
780                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
781                 p_demux->info.i_title = i_title;
782             }
783         }
784         break;
785     }
786
787     case DVDNAV_CELL_CHANGE:
788     {
789         int32_t i_title = 0;
790         int32_t i_part  = 0;
791
792         dvdnav_cell_change_event_t *event =
793             (dvdnav_cell_change_event_t*)packet;
794         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
795         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
796         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
797         msg_Dbg( p_demux, "     - cell_length=%"PRId64, event->cell_length );
798         msg_Dbg( p_demux, "     - pg_length=%"PRId64, event->pg_length );
799         msg_Dbg( p_demux, "     - pgc_length=%"PRId64, event->pgc_length );
800         msg_Dbg( p_demux, "     - cell_start=%"PRId64, event->cell_start );
801         msg_Dbg( p_demux, "     - pg_start=%"PRId64, event->pg_start );
802
803         /* Store the lenght in time of the current PGC */
804         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
805         p_sys->i_vobu_index = 0;
806         p_sys->i_vobu_flush = 0;
807
808         /* FIXME is it correct or there is better way to know chapter change */
809         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
810                                        &i_part ) == DVDNAV_STATUS_OK )
811         {
812             if( i_title >= 0 && i_title < p_sys->i_title &&
813                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
814                 p_demux->info.i_seekpoint != i_part - 1 )
815             {
816                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
817                 p_demux->info.i_seekpoint = i_part - 1;
818             }
819         }
820         break;
821     }
822
823     case DVDNAV_NAV_PACKET:
824     {
825         p_sys->i_vobu_index = 1;
826         p_sys->i_vobu_flush = 0;
827
828         /* Look if we have need to force a flush (and when) */
829         const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
830         if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
831         {
832             const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
833             if( p_dsi_gi->vobu_3rdref_ea != 0 )
834                 p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
835             else if( p_dsi_gi->vobu_2ndref_ea != 0 )
836                 p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
837             else if( p_dsi_gi->vobu_1stref_ea != 0 )
838                 p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
839         }
840
841 #ifdef DVDNAV_DEBUG
842         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
843 #endif
844         /* A lot of thing to do here :
845          *  - handle packet
846          *  - fetch pts (for time display)
847          *  - ...
848          */
849         DemuxBlock( p_demux, packet, i_len );
850         if( p_sys->b_spu_change )
851         {
852             ButtonUpdate( p_demux, false );
853             p_sys->b_spu_change = false;
854         }
855         break;
856     }
857
858     case DVDNAV_STOP:   /* EOF */
859         msg_Dbg( p_demux, "DVDNAV_STOP" );
860
861 #if DVD_READ_CACHE
862         dvdnav_free_cache_block( p_sys->dvdnav, packet );
863 #endif
864         return 0;
865
866     case DVDNAV_HIGHLIGHT:
867     {
868         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
869         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
870         msg_Dbg( p_demux, "     - display=%d", event->display );
871         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
872         ButtonUpdate( p_demux, false );
873         break;
874     }
875
876     case DVDNAV_HOP_CHANNEL:
877         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
878         p_sys->i_vobu_index = 0;
879         p_sys->i_vobu_flush = 0;
880         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
881         break;
882
883     case DVDNAV_WAIT:
884         msg_Dbg( p_demux, "DVDNAV_WAIT" );
885
886         bool b_empty;
887         es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
888         if( !b_empty )
889         {
890             msleep( 40*1000 );
891         }
892         else
893         {
894             dvdnav_wait_skip( p_sys->dvdnav );
895             p_sys->b_reset_pcr = true;
896         }
897         break;
898
899     default:
900         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
901         break;
902     }
903
904 #if DVD_READ_CACHE
905     dvdnav_free_cache_block( p_sys->dvdnav, packet );
906 #endif
907
908     return 1;
909 }
910
911 /* Get a 2 char code
912  * FIXME: partiallyy duplicated from src/input/es_out.c
913  */
914 static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
915 {
916     const iso639_lang_t *pl;
917     char *psz_lang;
918     char *p;
919
920     psz_lang = var_CreateGetString( p_demux, psz_var );
921     if( !psz_lang )
922         return strdup(LANGUAGE_DEFAULT);
923
924     /* XXX: we will use only the first value
925      * (and ignore other ones in case of a list) */
926     if( ( p = strchr( psz_lang, ',' ) ) )
927         *p = '\0';
928
929     for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
930     {
931         if( *psz_lang == '\0' )
932             continue;
933         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
934             !strcasecmp( pl->psz_native_name, psz_lang ) ||
935             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
936             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
937             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
938             break;
939     }
940
941     free( psz_lang );
942
943     if( pl->psz_eng_name != NULL )
944         return strdup( pl->psz_iso639_1 );
945
946     return strdup(LANGUAGE_DEFAULT);
947 }
948
949 static void DemuxTitles( demux_t *p_demux )
950 {
951     demux_sys_t *p_sys = p_demux->p_sys;
952     input_title_t *t;
953     seekpoint_t *s;
954     int32_t i_titles;
955     int i;
956
957     /* Menu */
958     t = vlc_input_title_New();
959     t->b_menu = true;
960     t->psz_name = strdup( "DVD Menu" );
961
962     s = vlc_seekpoint_New();
963     s->psz_name = strdup( "Resume" );
964     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
965
966     s = vlc_seekpoint_New();
967     s->psz_name = strdup( "Root" );
968     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
969
970     s = vlc_seekpoint_New();
971     s->psz_name = strdup( "Title" );
972     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
973
974     s = vlc_seekpoint_New();
975     s->psz_name = strdup( "Chapter" );
976     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
977
978     s = vlc_seekpoint_New();
979     s->psz_name = strdup( "Subtitle" );
980     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
981
982     s = vlc_seekpoint_New();
983     s->psz_name = strdup( "Audio" );
984     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
985
986     s = vlc_seekpoint_New();
987     s->psz_name = strdup( "Angle" );
988     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
989
990     TAB_APPEND( p_sys->i_title, p_sys->title, t );
991
992     /* Find out number of titles/chapters */
993     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
994     for( i = 1; i <= i_titles; i++ )
995     {
996         int32_t i_chapters = 0;
997         int j;
998
999         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
1000
1001         t = vlc_input_title_New();
1002         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
1003         {
1004             s = vlc_seekpoint_New();
1005             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
1006         }
1007
1008         TAB_APPEND( p_sys->i_title, p_sys->title, t );
1009     }
1010 }
1011
1012 /*****************************************************************************
1013  * Update functions:
1014  *****************************************************************************/
1015 static void ButtonUpdate( demux_t *p_demux, bool b_mode )
1016 {
1017     demux_sys_t *p_sys = p_demux->p_sys;
1018     vlc_value_t val;
1019     int32_t i_title, i_part;
1020
1021     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1022
1023     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
1024     {
1025         vlc_mutex_t *p_mutex = val.p_address;
1026         dvdnav_highlight_area_t hl;
1027         int32_t i_button;
1028         bool    b_button_ok;
1029
1030         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
1031             != DVDNAV_STATUS_OK )
1032         {
1033             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
1034             return;
1035         }
1036
1037         b_button_ok = false;
1038         if( i_button > 0 && i_title ==  0 )
1039         {
1040             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1041
1042             b_button_ok = DVDNAV_STATUS_OK ==
1043                       dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
1044         }
1045
1046         if( b_button_ok )
1047         {
1048             int i;
1049             for( i = 0; i < 4; i++ )
1050             {
1051                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
1052                 uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
1053
1054                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
1055                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
1056                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
1057                 p_sys->palette[i][3] = i_alpha;
1058             }
1059
1060             vlc_mutex_lock( p_mutex );
1061             var_SetInteger( p_sys->p_input, "x-start", hl.sx );
1062             var_SetInteger( p_sys->p_input, "x-end",  hl.ex );
1063             var_SetInteger( p_sys->p_input, "y-start", hl.sy );
1064             var_SetInteger( p_sys->p_input, "y-end", hl.ey );
1065
1066             var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
1067
1068             var_SetBool( p_sys->p_input, "highlight", true );
1069             vlc_mutex_unlock( p_mutex );
1070
1071             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
1072         }
1073         else
1074         {
1075             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
1076                      i_button, i_title );
1077
1078             /* Show all */
1079             vlc_mutex_lock( p_mutex );
1080             var_SetBool( p_sys->p_input, "highlight", false );
1081             vlc_mutex_unlock( p_mutex );
1082         }
1083     }
1084 }
1085
1086 static void ESSubtitleUpdate( demux_t *p_demux )
1087 {
1088     demux_sys_t *p_sys = p_demux->p_sys;
1089     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
1090     int32_t i_title, i_part;
1091
1092     ButtonUpdate( p_demux, false );
1093
1094     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1095     if( i_title > 0 ) return;
1096
1097     if( i_spu >= 0 && i_spu <= 0x1f )
1098     {
1099         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1100
1101         ESNew( p_demux, 0xbd20 + i_spu );
1102
1103         /* be sure to unselect it (reset) */
1104         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1105                         (bool)false );
1106
1107         /* now select it */
1108         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1109     }
1110     else
1111     {
1112         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
1113         {
1114             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
1115             if( tk->b_seen )
1116             {
1117                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
1118                                 (bool)false );
1119             }
1120         }
1121     }
1122 }
1123
1124 /*****************************************************************************
1125  * DemuxBlock: demux a given block
1126  *****************************************************************************/
1127 static int DemuxBlock( demux_t *p_demux, const uint8_t *pkt, int i_pkt )
1128 {
1129     demux_sys_t *p_sys = p_demux->p_sys;
1130     const uint8_t     *p = pkt;
1131
1132     while( p < &pkt[i_pkt] )
1133     {
1134         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
1135         block_t *p_pkt;
1136         if( i_size <= 0 )
1137         {
1138             break;
1139         }
1140
1141         /* Create a block */
1142         p_pkt = block_New( p_demux, i_size );
1143         memcpy( p_pkt->p_buffer, p, i_size);
1144
1145         /* Parse it and send it */
1146         switch( 0x100 | p[3] )
1147         {
1148         case 0x1b9:
1149         case 0x1bb:
1150         case 0x1bc:
1151 #ifdef DVDNAV_DEBUG
1152             if( p[3] == 0xbc )
1153             {
1154                 msg_Warn( p_demux, "received a PSM packet" );
1155             }
1156             else if( p[3] == 0xbb )
1157             {
1158                 msg_Warn( p_demux, "received a SYSTEM packet" );
1159             }
1160 #endif
1161             block_Release( p_pkt );
1162             break;
1163
1164         case 0x1ba:
1165         {
1166             int64_t i_scr;
1167             int i_mux_rate;
1168             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1169             {
1170                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
1171                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1172             }
1173             block_Release( p_pkt );
1174             break;
1175         }
1176         default:
1177         {
1178             int i_id = ps_pkt_id( p_pkt );
1179             if( i_id >= 0xc0 )
1180             {
1181                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1182
1183                 if( !tk->b_seen )
1184                 {
1185                     ESNew( p_demux, i_id );
1186                 }
1187                 if( tk->b_seen && tk->es &&
1188                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1189                 {
1190                     es_out_Send( p_demux->out, tk->es, p_pkt );
1191                 }
1192                 else
1193                 {
1194                     block_Release( p_pkt );
1195                 }
1196             }
1197             else
1198             {
1199                 block_Release( p_pkt );
1200             }
1201             break;
1202         }
1203         }
1204
1205         p += i_size;
1206     }
1207
1208     return VLC_SUCCESS;
1209 }
1210
1211 /*****************************************************************************
1212  * Force still images to be displayed by sending EOS and stopping buffering.
1213  *****************************************************************************/
1214 static void DemuxForceStill( demux_t *p_demux )
1215 {
1216     static const uint8_t buffer[] = {
1217         0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
1218         0x80, 0x00, 0x00,
1219         0x00, 0x00, 0x01, 0xB7,
1220     };
1221     DemuxBlock( p_demux, buffer, sizeof(buffer) );
1222
1223     bool b_empty;
1224     es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
1225 }
1226
1227 /*****************************************************************************
1228  * ESNew: register a new elementary stream
1229  *****************************************************************************/
1230 static void ESNew( demux_t *p_demux, int i_id )
1231 {
1232     demux_sys_t *p_sys = p_demux->p_sys;
1233     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1234     bool  b_select = false;
1235
1236     if( tk->b_seen ) return;
1237
1238     if( ps_track_fill( tk, 0, i_id ) )
1239     {
1240         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1241         return;
1242     }
1243
1244     /* Add a new ES */
1245     if( tk->fmt.i_cat == VIDEO_ES )
1246     {
1247         tk->fmt.video.i_sar_num = p_sys->sar.i_num;
1248         tk->fmt.video.i_sar_den = p_sys->sar.i_den;
1249         b_select = true;
1250     }
1251     else if( tk->fmt.i_cat == AUDIO_ES )
1252     {
1253         int i_audio = -1;
1254         /* find the audio number PLEASE find another way */
1255         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1256         {
1257             i_audio = i_id&0x07;
1258         }
1259         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1260         {
1261             i_audio = i_id&0xf;
1262         }
1263         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1264         {
1265             i_audio = i_id&0x1f;
1266         }
1267         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1268         {
1269             i_audio = i_id&0x1f;
1270         }
1271         if( i_audio >= 0 )
1272         {
1273             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1274             if( i_lang != 0xffff )
1275             {
1276                 tk->fmt.psz_language = malloc( 3 );
1277                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1278                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1279                 tk->fmt.psz_language[2] = 0;
1280             }
1281             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1282             {
1283                 b_select = true;
1284             }
1285         }
1286     }
1287     else if( tk->fmt.i_cat == SPU_ES )
1288     {
1289         int32_t i_title, i_part;
1290         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1291         if( i_lang != 0xffff )
1292         {
1293             tk->fmt.psz_language = malloc( 3 );
1294             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1295             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1296             tk->fmt.psz_language[2] = 0;
1297         }
1298
1299         /* Palette */
1300         tk->fmt.subs.spu.palette[0] = 0xBeef;
1301         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1302                 16 * sizeof( uint32_t ) );
1303
1304         /* We select only when we are not in the menu */
1305         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1306         if( i_title > 0 &&
1307             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1308         {
1309             b_select = true;
1310         }
1311     }
1312
1313     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1314     if( b_select )
1315     {
1316         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1317     }
1318     tk->b_seen = true;
1319
1320     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
1321 }
1322
1323 /*****************************************************************************
1324  * Still image end
1325  *****************************************************************************/
1326 static void StillTimer( void *p_data )
1327 {
1328     demux_sys_t    *p_sys = p_data;
1329
1330     vlc_mutex_lock( &p_sys->still.lock );
1331     if( likely(p_sys->still.b_enabled) )
1332     {
1333         p_sys->still.b_enabled = false;
1334         dvdnav_still_skip( p_sys->dvdnav );
1335     }
1336     vlc_mutex_unlock( &p_sys->still.lock );
1337 }
1338
1339 static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
1340                        vlc_value_t oldval, vlc_value_t val, void *p_data )
1341 {
1342     demux_t *p_demux = p_data;
1343     demux_sys_t *p_sys = p_demux->p_sys;
1344
1345     /* FIXME? PCI usage thread safe? */
1346     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1347     int x = val.coords.x;
1348     int y = val.coords.y;
1349
1350     if( psz_var[6] == 'm' ) /* mouse-moved */
1351         dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
1352     else
1353     {
1354         assert( psz_var[6] == 'c' ); /* mouse-clicked */
1355
1356         ButtonUpdate( p_demux, true );
1357         dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
1358     }
1359     (void)p_vout;
1360     (void)oldval;
1361     return VLC_SUCCESS;
1362 }
1363
1364 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1365                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1366 {
1367     demux_t *p_demux = p_data;
1368     demux_sys_t *p_sys = p_demux->p_sys;
1369
1370     /* FIXME: thread-safe ? */
1371     pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1372
1373     switch( newval.i_int )
1374     {
1375     case ACTIONID_NAV_LEFT:
1376         dvdnav_left_button_select( p_sys->dvdnav, pci );
1377         break;
1378     case ACTIONID_NAV_RIGHT:
1379         dvdnav_right_button_select( p_sys->dvdnav, pci );
1380         break;
1381     case ACTIONID_NAV_UP:
1382         dvdnav_upper_button_select( p_sys->dvdnav, pci );
1383         break;
1384     case ACTIONID_NAV_DOWN:
1385         dvdnav_lower_button_select( p_sys->dvdnav, pci );
1386         break;
1387     case ACTIONID_NAV_ACTIVATE:
1388         ButtonUpdate( p_demux, true );
1389         dvdnav_button_activate( p_sys->dvdnav, pci );
1390         break;
1391     }
1392
1393     (void)p_this;    (void)psz_var;    (void)oldval;
1394     return VLC_SUCCESS;
1395 }
1396
1397 static int EventIntf( vlc_object_t *p_input, char const *psz_var,
1398                       vlc_value_t oldval, vlc_value_t val, void *p_data )
1399 {
1400     demux_t *p_demux = p_data;
1401     demux_sys_t *p_sys = p_demux->p_sys;
1402
1403     if (val.i_int == INPUT_EVENT_VOUT)
1404     {
1405         vlc_object_t *p_vout;
1406
1407         p_vout = p_sys->p_vout;
1408         if( p_vout != NULL )
1409         {
1410             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_demux );
1411             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_demux );
1412             vlc_object_release( p_vout );
1413         }
1414
1415         p_vout = (vlc_object_t *)input_GetVout( (input_thread_t *)p_input );
1416         p_sys->p_vout = p_vout;
1417         if( p_vout != NULL )
1418         {
1419             var_AddCallback( p_vout, "mouse-moved", EventMouse, p_demux );
1420             var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_demux );
1421         }
1422     }
1423     (void) psz_var; (void) oldval;
1424     return VLC_SUCCESS;
1425 }
1426
1427 /*****************************************************************************
1428  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1429  *****************************************************************************/
1430 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1431 {
1432     (void)p_demux;
1433 #ifdef HAVE_SYS_STAT_H
1434     struct stat stat_info;
1435     uint8_t pi_anchor[2];
1436     int i_fd, i_ret;
1437
1438     if( !*psz_name )
1439     {
1440         /* Triggers libdvdcss autodetection */
1441         return VLC_SUCCESS;
1442     }
1443
1444     if( (i_fd = vlc_open( psz_name, O_RDONLY |O_NONBLOCK )) == -1 )
1445     {
1446         return VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1447     }
1448
1449     i_ret = VLC_EGENERIC;
1450
1451     if( fstat( i_fd, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1452     {
1453         if( !S_ISFIFO( stat_info.st_mode ) )
1454             i_ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
1455         goto bailout;
1456     }
1457
1458     /* Try to find the anchor (2 bytes at LBA 256) */
1459     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
1460      && read( i_fd, pi_anchor, 2 ) == 2
1461      && GetWLE( pi_anchor ) == 2 )
1462         i_ret = VLC_SUCCESS; /* Found a potential anchor */
1463
1464 bailout:
1465     close( i_fd );
1466
1467     return i_ret;
1468 #else
1469
1470     return VLC_SUCCESS;
1471 #endif
1472 }