* modules/access/dvdnav.c, src/video_output/vout_subpictures.c: Use the proper palett...
[vlc.git] / modules / access / dvdnav.c
1 /*****************************************************************************
2  * dvdnav.c: DVD module using the dvdnav library.
3  *****************************************************************************
4  * Copyright (C) 2004 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
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
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
22  *****************************************************************************/
23
24 /*****************************************************************************
25  * Preamble
26  *****************************************************************************/
27 #include <stdlib.h>
28
29 #include <vlc/vlc.h>
30 #include <vlc/input.h>
31
32 #ifdef HAVE_UNISTD_H
33 #   include <unistd.h>
34 #endif
35 #ifdef HAVE_SYS_TYPES_H
36 #   include <sys/types.h>
37 #endif
38 #ifdef HAVE_SYS_STAT_H
39 #   include <sys/stat.h>
40 #endif
41 #ifdef HAVE_FCNTL_H
42 #   include <fcntl.h>
43 #endif
44
45 #include "vlc_keys.h"
46 #include "iso_lang.h"
47
48 /* FIXME we should find a better way than including that */
49 #include "../../src/misc/iso-639_def.h"
50
51
52 #include <dvdnav/dvdnav.h>
53
54 #include "../demux/ps.h"
55
56 /*****************************************************************************
57  * Module descriptor
58  *****************************************************************************/
59 #define ANGLE_TEXT N_("DVD angle")
60 #define ANGLE_LONGTEXT N_( \
61     "Allows you to select the default DVD angle." )
62
63 #define CACHING_TEXT N_("Caching value in ms")
64 #define CACHING_LONGTEXT N_( \
65     "Allows you to modify the default caching value for DVDnav streams. This "\
66     "value should be set in millisecond units." )
67 #define MENU_TEXT N_("Start directly in menu")
68 #define MENU_LONGTEXT N_( \
69     "Allows you to start the DVD directly in the main menu. This "\
70     "will try to skip all the useless warnings introductions." )
71
72 #define LANGUAGE_DEFAULT ("en")
73
74 static int  Open ( vlc_object_t * );
75 static void Close( vlc_object_t * );
76
77 vlc_module_begin();
78     set_shortname( _("DVD with menus") );
79     set_description( _("DVDnav Input") );
80     set_category( CAT_INPUT );
81     set_subcategory( SUBCAT_INPUT_ACCESS );
82     add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
83         ANGLE_LONGTEXT, VLC_FALSE );
84     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
85         CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
86     add_bool( "dvdnav-menu", VLC_TRUE, NULL,
87         MENU_TEXT, MENU_LONGTEXT, VLC_FALSE );
88     set_capability( "access_demux", 5 );
89     add_shortcut( "dvd" );
90     add_shortcut( "dvdnav" );
91     set_callbacks( Open, Close );
92 vlc_module_end();
93
94 /* Shall we use libdvdnav's read ahead cache? */
95 #define DVD_READ_CACHE 1
96
97 /*****************************************************************************
98  * Local prototypes
99  *****************************************************************************/
100 typedef struct
101 {
102     VLC_COMMON_MEMBERS
103
104     demux_t        *p_demux;
105     vlc_mutex_t     lock;
106
107     vlc_bool_t      b_moved;
108     vlc_bool_t      b_clicked;
109     vlc_bool_t      b_key;
110
111     vlc_bool_t      b_still;
112     int64_t         i_still_end;
113
114 } event_thread_t;
115
116 static int EventThread( vlc_object_t * );
117
118 struct demux_sys_t
119 {
120     dvdnav_t    *dvdnav;
121
122     /* track */
123     ps_track_t  tk[PS_TK_COUNT];
124     int         i_mux_rate;
125
126     /* for spu variables */
127     input_thread_t *p_input;
128
129     /* event */
130     event_thread_t *p_ev;
131
132     /* palette for menus */
133     uint32_t clut[16];
134     uint8_t  palette[4][4];
135
136     /* */
137     int i_aspect;
138
139     int           i_title;
140     input_title_t **title;
141
142     /* lenght of program group chain */
143     mtime_t     i_pgc_length;
144 };
145
146 static int Control( demux_t *, int, va_list );
147 static int Demux( demux_t * );
148 static int DemuxBlock( demux_t *, uint8_t *, int );
149
150 static void DemuxTitles( demux_t * );
151 static void ESSubtitleUpdate( demux_t * );
152 static void ButtonUpdate( demux_t *, vlc_bool_t );
153
154 static void ESNew( demux_t *, int );
155 static int ProbeDVD( demux_t *, char * );
156
157 static char *DemuxGetLanguageCode( demux_t *p_demux, char *psz_var );
158
159 /*****************************************************************************
160  * DemuxOpen:
161  *****************************************************************************/
162 static int Open( vlc_object_t *p_this )
163 {
164     demux_t     *p_demux = (demux_t*)p_this;
165     demux_sys_t *p_sys;
166     dvdnav_t    *p_dvdnav;
167     int         i_angle;
168     char        *psz_name;
169     char        *psz_code;
170     vlc_value_t val;
171
172     if( !p_demux->psz_path || !*p_demux->psz_path )
173     {
174         /* Only when selected */
175         if( !p_this->b_force ) return VLC_EGENERIC;
176
177         psz_name = var_CreateGetString( p_this, "dvd" );
178         if( !psz_name || !*psz_name )
179         {
180             if( psz_name ) free( psz_name );
181             return VLC_EGENERIC;
182         }
183     }
184     else psz_name = strdup( p_demux->psz_path );
185
186 #ifdef WIN32
187     if( psz_name[0] && psz_name[1] == ':' &&
188         psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
189 #endif
190
191     /* Try some simple probing to avoid going through dvdnav_open too often */
192     if( ProbeDVD( p_demux, psz_name ) != VLC_SUCCESS )
193     {
194         free( psz_name );
195         return VLC_EGENERIC;
196     }
197
198     /* Open dvdnav */
199     if( dvdnav_open( &p_dvdnav, psz_name ) != DVDNAV_STATUS_OK )
200     {
201         msg_Warn( p_demux, "cannot open dvdnav" );
202         free( psz_name );
203         return VLC_EGENERIC;
204     }
205     free( psz_name );
206
207     /* Fill p_demux field */
208     p_demux->pf_demux = Demux;
209     p_demux->pf_control = Control;
210     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
211     memset( p_sys, 0, sizeof( demux_sys_t ) );
212     p_sys->dvdnav = p_dvdnav;
213
214     ps_track_init( p_sys->tk );
215     p_sys->i_aspect = -1;
216     p_sys->i_mux_rate = 0;
217     p_sys->i_pgc_length = 0;
218
219     if( 1 )
220     {
221         // Hack for libdvdnav CVS.
222         // Without it dvdnav_get_number_of_titles() fails.
223         // Remove when fixed in libdvdnav CVS.
224         uint8_t buffer[DVD_VIDEO_LB_LEN];
225         int i_event, i_len;
226
227         if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
228               == DVDNAV_STATUS_ERR )
229         {
230             msg_Warn( p_demux, "dvdnav_get_next_block failed" );
231         }
232
233         dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
234     }
235
236     /* Configure dvdnav */
237     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
238           DVDNAV_STATUS_OK )
239     {
240         msg_Warn( p_demux, "cannot set read-a-head flag" );
241     }
242
243     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
244           DVDNAV_STATUS_OK )
245     {
246         msg_Warn( p_demux, "cannot set PGC positioning flag" );
247     }
248
249     /* Set menu language ("en")
250      * XXX: maybe it would be better to set it like audio/spu
251      * or to create a --menu-language option */
252     if( dvdnav_menu_language_select( p_sys->dvdnav,LANGUAGE_DEFAULT ) !=
253         DVDNAV_STATUS_OK )
254     {
255         msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
256                   LANGUAGE_DEFAULT, dvdnav_err_to_string( p_sys->dvdnav ) );
257     }
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, 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, LANGUAGE_DEFAULT );
282     }
283     free( psz_code );
284
285     DemuxTitles( p_demux );
286
287     var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
288     var_Get( p_demux, "dvdnav-menu", &val );
289     if( val.b_bool )
290     {
291         msg_Dbg( p_demux, "trying to go to dvd menu" );
292
293         if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
294         {
295             msg_Warn( p_demux, "cannot set title" );
296         }
297
298         if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
299             DVDNAV_STATUS_OK )
300         {
301             /* Try going to menu root */
302             if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
303                 DVDNAV_STATUS_OK )
304                     msg_Warn( p_demux, "cannot go to dvd menu" );
305         }
306     }
307
308     var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
309     var_Get( p_demux, "dvdnav-angle", &val );
310     i_angle = val.i_int > 0 ? val.i_int : 1;
311
312     /* Update default_pts to a suitable value for dvdnav access */
313     var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
314
315     /* FIXME hack hack hack hack FIXME */
316     /* Get p_input and create variable */
317     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
318     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
319     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
320     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
321     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
322     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
323     var_Create( p_sys->p_input, "menu-palette", VLC_VAR_ADDRESS );
324     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
325     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
326
327     /* Now create our event thread catcher */
328     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
329     p_sys->p_ev->p_demux = p_demux;
330     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
331                        VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
332
333     return VLC_SUCCESS;
334 }
335
336 /*****************************************************************************
337  * Close:
338  *****************************************************************************/
339 static void Close( vlc_object_t *p_this )
340 {
341     demux_t     *p_demux = (demux_t*)p_this;
342     demux_sys_t *p_sys = p_demux->p_sys;
343     int i;
344
345     /* stop the event handler */
346     p_sys->p_ev->b_die = VLC_TRUE;
347     vlc_thread_join( p_sys->p_ev );
348     vlc_object_destroy( p_sys->p_ev );
349
350     var_Destroy( p_sys->p_input, "highlight-mutex" );
351     var_Destroy( p_sys->p_input, "highlight" );
352     var_Destroy( p_sys->p_input, "x-start" );
353     var_Destroy( p_sys->p_input, "x-end" );
354     var_Destroy( p_sys->p_input, "y-start" );
355     var_Destroy( p_sys->p_input, "y-end" );
356     var_Destroy( p_sys->p_input, "color" );
357     var_Destroy( p_sys->p_input, "menu-palette" );
358
359     vlc_object_release( p_sys->p_input );
360
361     for( i = 0; i < PS_TK_COUNT; i++ )
362     {
363         ps_track_t *tk = &p_sys->tk[i];
364         if( tk->b_seen )
365         {
366             es_format_Clean( &tk->fmt );
367             if( tk->es ) es_out_Del( p_demux->out, tk->es );
368         }
369     }
370
371     dvdnav_close( p_sys->dvdnav );
372     free( p_sys );
373 }
374
375 /*****************************************************************************
376  * Control:
377  *****************************************************************************/
378 static int Control( demux_t *p_demux, int i_query, va_list args )
379 {
380     demux_sys_t *p_sys = p_demux->p_sys;
381     double f, *pf;
382     vlc_bool_t *pb;
383     int64_t *pi64;
384     input_title_t ***ppp_title;
385     int          *pi_int;
386     int i;
387
388     switch( i_query )
389     {
390         case DEMUX_SET_POSITION:
391         case DEMUX_GET_POSITION:
392         case DEMUX_GET_TIME:
393         case DEMUX_GET_LENGTH:
394         {
395             uint32_t pos, len;
396             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
397                   DVDNAV_STATUS_OK || len == 0 )
398             {
399                 return VLC_EGENERIC;
400             }
401
402             if( i_query == DEMUX_GET_POSITION )
403             {
404                 pf = (double*)va_arg( args, double* );
405                 *pf = (double)pos / (double)len;
406                 return VLC_SUCCESS;
407             }
408             else if( i_query == DEMUX_SET_POSITION )
409             {
410                 f = (double)va_arg( args, double );
411                 pos = f * len;
412                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
413                       DVDNAV_STATUS_OK )
414                 {
415                     return VLC_SUCCESS;
416                 }
417             }
418             else if( i_query == DEMUX_GET_TIME )
419             {
420                 pi64 = (int64_t*)va_arg( args, int64_t * );
421                 if( p_sys->i_pgc_length > 0 )
422                 {
423                     *pi64 = p_sys->i_pgc_length * pos / len;
424                     return VLC_SUCCESS;
425                 }
426             }
427             else if( i_query == DEMUX_GET_LENGTH )
428             {
429                 pi64 = (int64_t*)va_arg( args, int64_t * );
430                 if( p_sys->i_pgc_length > 0 )
431                 {
432                     *pi64 = (int64_t)p_sys->i_pgc_length;
433                     return VLC_SUCCESS;
434                 }
435             }
436
437             return VLC_EGENERIC;
438         }
439
440         /* Special for access_demux */
441         case DEMUX_CAN_PAUSE:
442         case DEMUX_CAN_CONTROL_PACE:
443             /* TODO */
444             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
445             *pb = VLC_TRUE;
446             return VLC_SUCCESS;
447
448         case DEMUX_SET_PAUSE_STATE:
449             return VLC_SUCCESS;
450
451         case DEMUX_GET_TITLE_INFO:
452             ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
453             pi_int    = (int*)va_arg( args, int* );
454             *((int*)va_arg( args, int* )) = 0; /* Title offset */
455             *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
456
457             /* Duplicate title infos */
458             *pi_int = p_sys->i_title;
459             *ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
460             for( i = 0; i < p_sys->i_title; i++ )
461             {
462                 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
463             }
464             return VLC_SUCCESS;
465
466         case DEMUX_SET_TITLE:
467             i = (int)va_arg( args, int );
468             if( ( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
469                   != DVDNAV_STATUS_OK ) ||
470                 ( i != 0 && dvdnav_title_play( p_sys->dvdnav, i )
471                   != DVDNAV_STATUS_OK ) )
472             {
473                 msg_Warn( p_demux, "cannot set title/chapter" );
474                 return VLC_EGENERIC;
475             }
476             p_demux->info.i_update |=
477                 INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
478             p_demux->info.i_title = i;
479             p_demux->info.i_seekpoint = 0;
480             return VLC_SUCCESS;
481
482         case DEMUX_SET_SEEKPOINT:
483             i = (int)va_arg( args, int );
484             if( p_demux->info.i_title == 0 )
485             {
486                 int i_ret;
487                 /* Special case */
488                 switch( i )
489                 {
490                 case 0:
491                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
492                     break;
493                 case 1:
494                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
495                     break;
496                 case 2:
497                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
498                     break;
499                 case 3:
500                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
501                     break;
502                 case 4:
503                     i_ret = dvdnav_menu_call( p_sys->dvdnav,
504                                               DVD_MENU_Subpicture );
505                     break;
506                 case 5:
507                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
508                     break;
509                 case 6:
510                     i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
511                     break;
512                 default:
513                     return VLC_EGENERIC;
514                 }
515
516                 if( i_ret != DVDNAV_STATUS_OK )
517                     return VLC_EGENERIC;
518             }
519             else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
520                                        i + 1 ) != DVDNAV_STATUS_OK )
521             {
522                 msg_Warn( p_demux, "cannot set title/chapter" );
523                 return VLC_EGENERIC;
524             }
525             p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
526             p_demux->info.i_seekpoint = i;
527             return VLC_SUCCESS;
528
529         case DEMUX_GET_PTS_DELAY:
530             pi64 = (int64_t*)va_arg( args, int64_t * );
531             *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
532             return VLC_SUCCESS;
533
534         /* TODO implement others */
535         default:
536             return VLC_EGENERIC;
537     }
538 }
539
540 /*****************************************************************************
541  * Demux:
542  *****************************************************************************/
543 static int Demux( demux_t *p_demux )
544 {
545     demux_sys_t *p_sys = p_demux->p_sys;
546
547     uint8_t buffer[DVD_VIDEO_LB_LEN];
548     uint8_t *packet = buffer;
549     int i_event;
550     int i_len;
551
552 #if DVD_READ_CACHE
553     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
554         == DVDNAV_STATUS_ERR )
555 #else
556     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
557         == DVDNAV_STATUS_ERR )
558 #endif
559     {
560         msg_Warn( p_demux, "cannot get next block (%s)",
561                   dvdnav_err_to_string( p_sys->dvdnav ) );
562         return -1;
563     }
564
565     switch( i_event )
566     {
567     case DVDNAV_BLOCK_OK:   /* mpeg block */
568         DemuxBlock( p_demux, packet, i_len );
569         break;
570
571     case DVDNAV_NOP:    /* Nothing */
572         msg_Dbg( p_demux, "DVDNAV_NOP" );
573         break;
574
575     case DVDNAV_STILL_FRAME:
576     {
577         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
578         vlc_mutex_lock( &p_sys->p_ev->lock );
579         if( !p_sys->p_ev->b_still )
580         {
581             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
582             msg_Dbg( p_demux, "     - length=0x%x", event->length );
583             p_sys->p_ev->b_still = VLC_TRUE;
584             if( event->length == 0xff )
585             {
586                 p_sys->p_ev->i_still_end = 0;
587             }
588             else
589             {
590                 p_sys->p_ev->i_still_end = (int64_t)event->length *
591                     1000000 + mdate() + p_sys->p_input->i_pts_delay;
592             }
593         }
594         vlc_mutex_unlock( &p_sys->p_ev->lock );
595         msleep( 40000 );
596         break;
597     }
598
599     case DVDNAV_SPU_CLUT_CHANGE:
600     {
601         int i;
602
603         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
604         /* Update color lookup table (16 *uint32_t in packet) */
605         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
606
607         /* HACK to get the SPU tracks registered in the right order */
608         for( i = 0; i < 0x1f; i++ )
609         {
610             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
611                 ESNew( p_demux, 0xbd20 + i );
612         }
613         /* END HACK */
614         break;
615     }
616
617     case DVDNAV_SPU_STREAM_CHANGE:
618     {
619         dvdnav_spu_stream_change_event_t *event =
620             (dvdnav_spu_stream_change_event_t*)packet;
621         int i;
622
623         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
624         msg_Dbg( p_demux, "     - physical_wide=%d",
625                  event->physical_wide );
626         msg_Dbg( p_demux, "     - physical_letterbox=%d",
627                  event->physical_letterbox);
628         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
629                  event->physical_pan_scan );
630
631         ESSubtitleUpdate( p_demux );
632
633         /* HACK to get the SPU tracks registered in the right order */
634         for( i = 0; i < 0x1f; i++ )
635         {
636             if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
637                 ESNew( p_demux, 0xbd20 + i );
638         }
639         /* END HACK */
640         break;
641     }
642
643     case DVDNAV_AUDIO_STREAM_CHANGE:
644     {
645         dvdnav_audio_stream_change_event_t *event =
646             (dvdnav_audio_stream_change_event_t*)packet;
647         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
648         msg_Dbg( p_demux, "     - physical=%d", event->physical );
649         /* TODO */
650         break;
651     }
652
653     case DVDNAV_VTS_CHANGE:
654     {
655         int32_t i_title = 0;
656         int32_t i_part  = 0;
657         int i;
658
659         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
660         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
661         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
662         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
663
664         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
665         /* TODO check if we always have VTS and CELL */
666         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
667
668         /* reset PCR */
669         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
670
671         for( i = 0; i < PS_TK_COUNT; i++ )
672         {
673             ps_track_t *tk = &p_sys->tk[i];
674             if( tk->b_seen )
675             {
676                 es_format_Clean( &tk->fmt );
677                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
678             }
679             tk->b_seen = VLC_FALSE;
680         }
681
682         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
683                                        &i_part ) == DVDNAV_STATUS_OK )
684         {
685             if( i_title >= 0 && i_title < p_sys->i_title &&
686                 p_demux->info.i_title != i_title )
687             {
688                 p_demux->info.i_update |= INPUT_UPDATE_TITLE;
689                 p_demux->info.i_title = i_title;
690             }
691         }
692         break;
693     }
694
695     case DVDNAV_CELL_CHANGE:
696     {
697         int32_t i_title = 0;
698         int32_t i_part  = 0;
699
700         dvdnav_cell_change_event_t *event =
701             (dvdnav_cell_change_event_t*)packet;
702         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
703         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
704         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
705         msg_Dbg( p_demux, "     - cell_length=%lld", event->cell_length );
706         msg_Dbg( p_demux, "     - pg_length=%lld", event->pg_length );
707         msg_Dbg( p_demux, "     - pgc_length=%lld", event->pgc_length );
708         msg_Dbg( p_demux, "     - cell_start=%lld", event->cell_start );
709         msg_Dbg( p_demux, "     - pg_start=%lld", event->pg_start );
710
711         /* Store the lenght in time of the current PGC */
712         p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
713
714         /* FIXME is it correct or there is better way to know chapter change */
715         if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
716                                        &i_part ) == DVDNAV_STATUS_OK )
717         {
718             if( i_title >= 0 && i_title < p_sys->i_title &&
719                 i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint &&
720                 p_demux->info.i_seekpoint != i_part - 1 )
721             {
722                 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
723                 p_demux->info.i_seekpoint = i_part - 1;
724             }
725         }
726         break;
727     }
728
729     case DVDNAV_NAV_PACKET:
730     {
731 #ifdef DVDNAV_DEBUG
732         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
733 #endif
734         /* A lot of thing to do here :
735          *  - handle packet
736          *  - fetch pts (for time display)
737          *  - ...
738          */
739         DemuxBlock( p_demux, packet, i_len );
740         break;
741     }
742
743     case DVDNAV_STOP:   /* EOF */
744         msg_Dbg( p_demux, "DVDNAV_STOP" );
745
746 #if DVD_READ_CACHE
747         dvdnav_free_cache_block( p_sys->dvdnav, packet );
748 #endif
749         return 0;
750
751     case DVDNAV_HIGHLIGHT:
752     {
753         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
754         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
755         msg_Dbg( p_demux, "     - display=%d", event->display );
756         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
757         ButtonUpdate( p_demux, 0 );
758         break;
759     }
760
761     case DVDNAV_HOP_CHANNEL:
762         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
763         /* We should try to flush all our internal buffer */
764         break;
765
766     case DVDNAV_WAIT:
767         msg_Dbg( p_demux, "DVDNAV_WAIT" );
768
769         dvdnav_wait_skip( p_sys->dvdnav );
770         break;
771
772     default:
773         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
774         break;
775     }
776
777 #if DVD_READ_CACHE
778     dvdnav_free_cache_block( p_sys->dvdnav, packet );
779 #endif
780
781     return 1;
782 }
783
784 /* Get a 2 char code
785  * FIXME: partiallyy duplicated from src/input/es_out.c
786  */
787 static char *DemuxGetLanguageCode( demux_t *p_demux, char *psz_var )
788 {
789     const iso639_lang_t *pl;
790     char *psz_lang;
791     char *p;
792
793     psz_lang = var_CreateGetString( p_demux, psz_var );
794     /* XXX: we will use only the first value
795      * (and ignore other ones in case of a list) */
796     if( ( p = strchr( psz_lang, ',' ) ) ) *p = '\0';
797
798     for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
799     {
800         if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
801             !strcasecmp( pl->psz_native_name, psz_lang ) ||
802             !strcasecmp( pl->psz_iso639_1, psz_lang ) ||
803             !strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
804             !strcasecmp( pl->psz_iso639_2B, psz_lang ) )
805             break;
806     }
807
808     free( psz_lang );
809
810     if( pl->psz_iso639_1 != NULL )
811         return strdup( pl->psz_iso639_1 );
812
813     return strdup(LANGUAGE_DEFAULT);
814 }
815
816 static void DemuxTitles( demux_t *p_demux )
817 {
818     demux_sys_t *p_sys = p_demux->p_sys;
819     input_title_t *t;
820     seekpoint_t *s;
821     int32_t i_titles;
822     int i;
823
824     /* Menu */
825     t = vlc_input_title_New();
826     t->b_menu = VLC_TRUE;
827     t->psz_name = strdup( "DVD Menu" );
828
829     s = vlc_seekpoint_New();
830     s->psz_name = strdup( "Resume" );
831     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
832
833     s = vlc_seekpoint_New();
834     s->psz_name = strdup( "Root" );
835     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
836
837     s = vlc_seekpoint_New();
838     s->psz_name = strdup( "Title" );
839     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
840
841     s = vlc_seekpoint_New();
842     s->psz_name = strdup( "Chapter" );
843     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
844
845     s = vlc_seekpoint_New();
846     s->psz_name = strdup( "Subtitle" );
847     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
848
849     s = vlc_seekpoint_New();
850     s->psz_name = strdup( "Audio" );
851     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
852
853     s = vlc_seekpoint_New();
854     s->psz_name = strdup( "Angle" );
855     TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
856
857     TAB_APPEND( p_sys->i_title, p_sys->title, t );
858
859     /* Find out number of titles/chapters */
860     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
861     for( i = 1; i <= i_titles; i++ )
862     {
863         int32_t i_chapters = 0;
864         int j;
865
866         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
867
868         t = vlc_input_title_New();
869         for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
870         {
871             s = vlc_seekpoint_New();
872             TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
873         }
874
875         TAB_APPEND( p_sys->i_title, p_sys->title, t );
876     }
877 }
878
879 /*****************************************************************************
880  * Update functions:
881  *****************************************************************************/
882 static void ButtonUpdate( demux_t *p_demux, vlc_bool_t b_mode )
883 {
884     demux_sys_t *p_sys = p_demux->p_sys;
885     vlc_value_t val;
886     int32_t i_title, i_part;
887
888     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
889
890     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
891     {
892         vlc_mutex_t *p_mutex = val.p_address;
893         dvdnav_highlight_area_t hl;
894         int32_t i_button;
895
896         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
897             != DVDNAV_STATUS_OK )
898         {
899             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
900             return;
901         }
902
903         if( i_button > 0 && i_title ==  0 )
904         {
905             int i;
906             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
907
908             dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
909
910             for( i = 0; i < 4; i++ )
911             {
912                 uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
913                 uint8_t i_alpha = (hl.palette>>(i*4))&0x0f;
914                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
915
916                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
917                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
918                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
919                 p_sys->palette[i][3] = i_alpha;
920             }
921
922             vlc_mutex_lock( p_mutex );
923             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
924             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
925             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
926             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
927
928             val.p_address = (void *)p_sys->palette;
929             var_Set( p_sys->p_input, "menu-palette", val );
930
931             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
932             vlc_mutex_unlock( p_mutex );
933
934             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
935         }
936         else
937         {
938             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
939                      i_button, i_title );
940
941             /* Show all */
942             vlc_mutex_lock( p_mutex );
943             val.b_bool = VLC_FALSE;
944             var_Set( p_sys->p_input, "highlight", val );
945             vlc_mutex_unlock( p_mutex );
946         }
947     }
948 }
949
950 static void ESSubtitleUpdate( demux_t *p_demux )
951 {
952     demux_sys_t *p_sys = p_demux->p_sys;
953     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
954     int32_t i_title, i_part;
955
956     ButtonUpdate( p_demux, 0 );
957
958     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
959     if( i_title > 0 ) return;
960
961     if( i_spu >= 0 && i_spu <= 0x1f )
962     {
963         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
964
965         ESNew( p_demux, 0xbd20 + i_spu );
966
967         /* be sure to unselect it (reset) */
968         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
969                         (vlc_bool_t)VLC_FALSE );
970
971         /* now select it */
972         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
973     }
974     else
975     {
976         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
977         {
978             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
979             if( tk->b_seen )
980             {
981                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
982                                 (vlc_bool_t)VLC_FALSE );
983             }
984         }
985     }
986 }
987
988 /*****************************************************************************
989  * DemuxBlock: demux a given block
990  *****************************************************************************/
991 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
992 {
993     demux_sys_t *p_sys = p_demux->p_sys;
994     uint8_t     *p = pkt;
995
996     while( p < &pkt[i_pkt] )
997     {
998         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
999         block_t *p_pkt;
1000         if( i_size <= 0 )
1001         {
1002             break;
1003         }
1004
1005         /* Create a block */
1006         p_pkt = block_New( p_demux, i_size );
1007         memcpy( p_pkt->p_buffer, p, i_size);
1008
1009         /* Parse it and send it */
1010         switch( 0x100 | p[3] )
1011         {
1012         case 0x1b9:
1013         case 0x1bb:
1014         case 0x1bc:
1015 #ifdef DVDNAV_DEBUG
1016             if( p[3] == 0xbc )
1017             {
1018                 msg_Warn( p_demux, "received a PSM packet" );
1019             }
1020             else if( p[3] == 0xbb )
1021             {
1022                 msg_Warn( p_demux, "received a SYSTEM packet" );
1023             }
1024 #endif
1025             block_Release( p_pkt );
1026             break;
1027
1028         case 0x1ba:
1029         {
1030             int64_t i_scr;
1031             int i_mux_rate;
1032             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
1033             {
1034                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
1035                 if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
1036             }
1037             block_Release( p_pkt );
1038             break;
1039         }
1040         default:
1041         {
1042             int i_id = ps_pkt_id( p_pkt );
1043             if( i_id >= 0xc0 )
1044             {
1045                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1046
1047                 if( !tk->b_seen )
1048                 {
1049                     ESNew( p_demux, i_id );
1050                 }
1051                 if( tk->b_seen && tk->es &&
1052                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
1053                 {
1054                     es_out_Send( p_demux->out, tk->es, p_pkt );
1055                 }
1056                 else
1057                 {
1058                     block_Release( p_pkt );
1059                 }
1060             }
1061             else
1062             {
1063                 block_Release( p_pkt );
1064             }
1065             break;
1066         }
1067         }
1068
1069         p += i_size;
1070     }
1071
1072     return VLC_SUCCESS;
1073 }
1074
1075 /*****************************************************************************
1076  * ESNew: register a new elementary stream
1077  *****************************************************************************/
1078 static void ESNew( demux_t *p_demux, int i_id )
1079 {
1080     demux_sys_t *p_sys = p_demux->p_sys;
1081     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
1082     vlc_bool_t  b_select = VLC_FALSE;
1083
1084     if( tk->b_seen ) return;
1085
1086     if( ps_track_fill( tk, 0, i_id ) )
1087     {
1088         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
1089         return;
1090     }
1091
1092     /* Add a new ES */
1093     if( tk->fmt.i_cat == VIDEO_ES )
1094     {
1095         if( p_sys->i_aspect >= 0 )
1096         {
1097             tk->fmt.video.i_aspect = p_sys->i_aspect;
1098         }
1099         b_select = VLC_TRUE;
1100     }
1101     else if( tk->fmt.i_cat == AUDIO_ES )
1102     {
1103         int i_audio = -1;
1104         /* find the audio number PLEASE find another way */
1105         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
1106         {
1107             i_audio = i_id&0x07;
1108         }
1109         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
1110         {
1111             i_audio = i_id&0xf;
1112         }
1113         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
1114         {
1115             i_audio = i_id&0x1f;
1116         }
1117         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
1118         {
1119             i_audio = i_id&0x1f;
1120         }
1121         if( i_audio >= 0 )
1122         {
1123             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
1124             if( i_lang != 0xffff )
1125             {
1126                 tk->fmt.psz_language = malloc( 3 );
1127                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1128                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1129                 tk->fmt.psz_language[2] = 0;
1130             }
1131             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1132             {
1133                 b_select = VLC_TRUE;
1134             }
1135         }
1136     }
1137     else if( tk->fmt.i_cat == SPU_ES )
1138     {
1139         int32_t i_title, i_part;
1140         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1141         if( i_lang != 0xffff )
1142         {
1143             tk->fmt.psz_language = malloc( 3 );
1144             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1145             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1146             tk->fmt.psz_language[2] = 0;
1147         }
1148
1149         /* Palette */
1150         tk->fmt.subs.spu.palette[0] = 0xBeef;
1151         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1152                 16 * sizeof( uint32_t ) );
1153
1154         /* We select only when we are not in the menu */
1155         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1156         if( i_title > 0 &&
1157             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1158         {
1159             b_select = VLC_TRUE;
1160         }
1161     }
1162
1163     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1164     if( b_select )
1165     {
1166         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1167     }
1168     tk->b_seen = VLC_TRUE;
1169
1170     if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, 0 );
1171 }
1172
1173 /*****************************************************************************
1174  * Event handler code
1175  *****************************************************************************/
1176 static int  EventMouse( vlc_object_t *, char const *,
1177                         vlc_value_t, vlc_value_t, void * );
1178 static int  EventKey  ( vlc_object_t *, char const *,
1179                         vlc_value_t, vlc_value_t, void * );
1180
1181 static int EventThread( vlc_object_t *p_this )
1182 {
1183     event_thread_t *p_ev = (event_thread_t*)p_this;
1184     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1185     vlc_object_t   *p_vout = NULL;
1186
1187     vlc_mutex_init( p_ev, &p_ev->lock );
1188     p_ev->b_moved   = VLC_FALSE;
1189     p_ev->b_clicked = VLC_FALSE;
1190     p_ev->b_key     = VLC_FALSE;
1191     p_ev->b_still   = VLC_FALSE;
1192
1193     /* catch all key event */
1194     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1195
1196     /* main loop */
1197     while( !p_ev->b_die )
1198     {
1199         vlc_bool_t b_activated = VLC_FALSE;
1200
1201         /* KEY part */
1202         if( p_ev->b_key )
1203         {
1204             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1205
1206             vlc_value_t valk;
1207             struct hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
1208             int i, i_action = -1;
1209
1210             vlc_mutex_lock( &p_ev->lock );
1211             var_Get( p_ev->p_vlc, "key-pressed", &valk );
1212             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
1213             {
1214                 if( p_hotkeys[i].i_key == valk.i_int )
1215                 {
1216                     i_action = p_hotkeys[i].i_action;
1217                 }
1218             }
1219
1220             switch( i_action )
1221             {
1222             case ACTIONID_NAV_LEFT:
1223                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1224                 break;
1225             case ACTIONID_NAV_RIGHT:
1226                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1227                 break;
1228             case ACTIONID_NAV_UP:
1229                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1230                 break;
1231             case ACTIONID_NAV_DOWN:
1232                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1233                 break;
1234             case ACTIONID_NAV_ACTIVATE:
1235                 b_activated = VLC_TRUE;
1236                 dvdnav_button_activate( p_sys->dvdnav, pci );
1237                 ButtonUpdate( p_ev->p_demux, VLC_TRUE );
1238                 break;
1239             default:
1240                 break;
1241             }
1242             p_ev->b_key = VLC_FALSE;
1243             vlc_mutex_unlock( &p_ev->lock );
1244         }
1245
1246         /* VOUT part */
1247         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1248         {
1249             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1250             vlc_value_t valx, valy;
1251
1252             vlc_mutex_lock( &p_ev->lock );
1253             var_Get( p_vout, "mouse-x", &valx );
1254             var_Get( p_vout, "mouse-y", &valy );
1255
1256             if( p_ev->b_moved )
1257             {
1258                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1259                                      valy.i_int );
1260             }
1261             if( p_ev->b_clicked )
1262             {
1263                 b_activated = VLC_TRUE;
1264                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1265                                        valy.i_int );
1266                 ButtonUpdate( p_ev->p_demux, VLC_TRUE );
1267             }
1268
1269             p_ev->b_moved = VLC_FALSE;
1270             p_ev->b_clicked = VLC_FALSE;
1271             vlc_mutex_unlock( &p_ev->lock );
1272         }
1273         if( p_vout && p_vout->b_die )
1274         {
1275             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1276             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1277             vlc_object_release( p_vout );
1278             p_vout = NULL;
1279         }
1280         if( p_vout == NULL )
1281         {
1282             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1283                                       FIND_CHILD );
1284             if( p_vout)
1285             {
1286                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1287                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1288             }
1289         }
1290
1291         /* Still part */
1292         vlc_mutex_lock( &p_ev->lock );
1293         if( p_ev->b_still )
1294         {
1295             if( /* b_activated || // This breaks menus */
1296                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1297             {
1298                 p_ev->b_still = VLC_FALSE;
1299                 dvdnav_still_skip( p_sys->dvdnav );
1300             }
1301         }
1302         vlc_mutex_unlock( &p_ev->lock );
1303
1304         /* Wait a bit */
1305         msleep( 10000 );
1306     }
1307
1308     /* Release callback */
1309     if( p_vout )
1310     {
1311         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1312         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1313         vlc_object_release( p_vout );
1314     }
1315     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1316
1317     vlc_mutex_destroy( &p_ev->lock );
1318
1319     return VLC_SUCCESS;
1320 }
1321
1322 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1323                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1324 {
1325     event_thread_t *p_ev = p_data;
1326     vlc_mutex_lock( &p_ev->lock );
1327     if( psz_var[6] == 'c' )
1328         p_ev->b_clicked = VLC_TRUE;
1329     else if( psz_var[6] == 'm' )
1330         p_ev->b_moved = VLC_TRUE;
1331     vlc_mutex_unlock( &p_ev->lock );
1332
1333     return VLC_SUCCESS;
1334 }
1335
1336 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1337                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1338 {
1339     event_thread_t *p_ev = p_data;
1340     vlc_mutex_lock( &p_ev->lock );
1341     p_ev->b_key = VLC_TRUE;
1342     vlc_mutex_unlock( &p_ev->lock );
1343
1344     return VLC_SUCCESS;
1345 }
1346
1347 /*****************************************************************************
1348  * ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
1349  *****************************************************************************/
1350 static int ProbeDVD( demux_t *p_demux, char *psz_name )
1351 {
1352 #ifdef HAVE_SYS_STAT_H
1353     struct stat stat_info;
1354     uint8_t pi_anchor[2];
1355     uint16_t i_tag_id = 0;
1356     int i_fd, i_ret;
1357
1358     if( stat( psz_name, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
1359     {
1360         /* Let dvdnav_open() do the probing */
1361         return VLC_SUCCESS;
1362     }
1363
1364     if( (i_fd = open( psz_name, O_RDONLY )) == -1 )
1365     {
1366         /* Let dvdnav_open() do the probing */
1367         return VLC_SUCCESS;
1368     }
1369
1370     /* Try to find the anchor (2 bytes at LBA 256) */
1371     i_ret = VLC_SUCCESS;
1372     if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) == -1 )
1373     {
1374         i_ret = VLC_EGENERIC;
1375     }
1376
1377     if( read( i_fd, pi_anchor, 2 ) == 2 )
1378     {
1379         i_tag_id = GetWLE(pi_anchor);
1380         if( i_tag_id != 2 ) i_ret = VLC_EGENERIC; /* Not an anchor */
1381     }
1382     else
1383     {
1384         i_ret = VLC_EGENERIC;
1385     }
1386
1387     close( i_fd );
1388
1389     return i_ret;
1390 #else
1391
1392     return VLC_SUCCESS;
1393 #endif
1394 }