* ALL: separation of the SPU engine from the VOUT.
[vlc.git] / modules / control / hotkeys.c
1 /*****************************************************************************
2  * hotkeys.c: Hotkey handling for vlc
3  *****************************************************************************
4  * Copyright (C) 2004 VideoLAN
5  * $Id$
6  *
7  * Authors: Sigmund Augdal <sigmunau@idi.ntnu.no>
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>                                      /* malloc(), free() */
28
29 #include <vlc/vlc.h>
30 #include <vlc/intf.h>
31 #include <vlc/input.h>
32 #include <vlc/vout.h>
33 #include <vlc/aout.h>
34 #include <osd.h>
35
36 #include "vlc_keys.h"
37
38 #define BUFFER_SIZE 10
39
40 #define CHANNELS_NUMBER 4
41 #define VOLUME_TEXT_CHAN     p_intf->p_sys->p_channels[ 0 ]
42 #define VOLUME_WIDGET_CHAN   p_intf->p_sys->p_channels[ 1 ]
43 #define POSITION_TEXT_CHAN   p_intf->p_sys->p_channels[ 2 ]
44 #define POSITION_WIDGET_CHAN p_intf->p_sys->p_channels[ 3 ]
45 /*****************************************************************************
46  * intf_sys_t: description and status of FB interface
47  *****************************************************************************/
48 struct intf_sys_t
49 {
50     vlc_mutex_t         change_lock;  /* mutex to keep the callback
51                                        * and the main loop from
52                                        * stepping on each others
53                                        * toes */
54     int                 p_keys[ BUFFER_SIZE ]; /* buffer that contains
55                                                 * keyevents */
56     int                 i_size;        /* number of events in buffer */
57     int                 p_channels[ CHANNELS_NUMBER ]; /* contains registered
58                                                         * channel IDs */
59     input_thread_t *    p_input;       /* pointer to input */
60     vout_thread_t *     p_vout;        /* pointer to vout object */
61 };
62
63 /*****************************************************************************
64  * Local prototypes
65  *****************************************************************************/
66 static int  Open    ( vlc_object_t * );
67 static void Close   ( vlc_object_t * );
68 static void Run     ( intf_thread_t * );
69 static int  GetKey  ( intf_thread_t *);
70 static int  KeyEvent( vlc_object_t *, char const *,
71                       vlc_value_t, vlc_value_t, void * );
72 static int  ActionKeyCB( vlc_object_t *, char const *,
73                          vlc_value_t, vlc_value_t, void * );
74 static void PlayBookmark( intf_thread_t *, int );
75 static void SetBookmark ( intf_thread_t *, int );
76 static void DisplayPosition( intf_thread_t *, vout_thread_t *, input_thread_t * );
77 static void DisplayVolume  ( intf_thread_t *, vout_thread_t *, audio_volume_t );
78 static void ClearChannels  ( intf_thread_t *, vout_thread_t * );
79
80 /*****************************************************************************
81  * Module descriptor
82  *****************************************************************************/
83 #define BOOKMARK1_TEXT N_("Playlist bookmark 1")
84 #define BOOKMARK2_TEXT N_("Playlist bookmark 2")
85 #define BOOKMARK3_TEXT N_("Playlist bookmark 3")
86 #define BOOKMARK4_TEXT N_("Playlist bookmark 4")
87 #define BOOKMARK5_TEXT N_("Playlist bookmark 5")
88 #define BOOKMARK6_TEXT N_("Playlist bookmark 6")
89 #define BOOKMARK7_TEXT N_("Playlist bookmark 7")
90 #define BOOKMARK8_TEXT N_("Playlist bookmark 8")
91 #define BOOKMARK9_TEXT N_("Playlist bookmark 9")
92 #define BOOKMARK10_TEXT N_("Playlist bookmark 10")
93 #define BOOKMARK_LONGTEXT N_( \
94     "This option allows you to define playlist bookmarks.")
95
96 vlc_module_begin();
97     set_description( _("Hotkeys management interface") );
98     add_string( "bookmark1", NULL, NULL,
99                 BOOKMARK1_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
100     add_string( "bookmark2", NULL, NULL,
101                 BOOKMARK2_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
102     add_string( "bookmark3", NULL, NULL,
103                 BOOKMARK3_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
104     add_string( "bookmark4", NULL, NULL,
105                 BOOKMARK4_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
106     add_string( "bookmark5", NULL, NULL,
107                 BOOKMARK5_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
108     add_string( "bookmark6", NULL, NULL,
109                 BOOKMARK6_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
110     add_string( "bookmark7", NULL, NULL,
111                 BOOKMARK7_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
112     add_string( "bookmark8", NULL, NULL,
113                 BOOKMARK8_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
114     add_string( "bookmark9", NULL, NULL,
115                 BOOKMARK9_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
116     add_string( "bookmark10", NULL, NULL,
117                 BOOKMARK10_TEXT, BOOKMARK_LONGTEXT, VLC_FALSE );
118
119     set_capability( "interface", 0 );
120     set_callbacks( Open, Close );
121 vlc_module_end();
122
123 /*****************************************************************************
124  * Open: initialize interface
125  *****************************************************************************/
126 static int Open( vlc_object_t *p_this )
127 {
128     intf_thread_t *p_intf = (intf_thread_t *)p_this;
129
130     /* Allocate instance and initialize some members */
131     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
132     if( p_intf->p_sys == NULL )
133     {
134         msg_Err( p_intf, "out of memory" );
135         return 1;
136     }
137     vlc_mutex_init( p_intf, &p_intf->p_sys->change_lock );
138     p_intf->p_sys->i_size = 0;
139     p_intf->pf_run = Run;
140
141     p_intf->p_sys->p_input = NULL;
142     p_intf->p_sys->p_vout = NULL;
143
144     var_AddCallback( p_intf->p_vlc, "key-pressed", KeyEvent, p_intf );
145     return 0;
146 }
147
148 /*****************************************************************************
149  * Close: destroy interface
150  *****************************************************************************/
151 static void Close( vlc_object_t *p_this )
152 {
153     intf_thread_t *p_intf = (intf_thread_t *)p_this;
154
155     if( p_intf->p_sys->p_input )
156     {
157         vlc_object_release( p_intf->p_sys->p_input );
158     }
159     if( p_intf->p_sys->p_vout )
160     {
161         vlc_object_release( p_intf->p_sys->p_vout );
162     }
163     /* Destroy structure */
164     free( p_intf->p_sys );
165 }
166
167 /*****************************************************************************
168  * Run: main loop
169  *****************************************************************************/
170 static void Run( intf_thread_t *p_intf )
171 {
172     playlist_t *p_playlist;
173     input_thread_t *p_input;
174     vout_thread_t *p_vout = NULL;
175     vout_thread_t *p_last_vout;
176     struct hotkey *p_hotkeys = p_intf->p_vlc->p_hotkeys;
177     vlc_value_t val;
178     int i;
179
180     /* Initialize hotkey structure */
181     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
182     {
183         var_Create( p_intf->p_vlc, p_hotkeys[i].psz_action,
184                     VLC_VAR_HOTKEY | VLC_VAR_DOINHERIT );
185
186         var_AddCallback( p_intf->p_vlc, p_hotkeys[i].psz_action,
187                          ActionKeyCB, NULL );
188         var_Get( p_intf->p_vlc, p_hotkeys[i].psz_action, &val );
189         var_Set( p_intf->p_vlc, p_hotkeys[i].psz_action, val );
190     }
191
192     while( !p_intf->b_die )
193     {
194         int i_key, i_action;
195
196         /* Sleep a bit */
197         msleep( INTF_IDLE_SLEEP );
198
199         /* Update the input */
200         if( p_intf->p_sys->p_input == NULL )
201         {
202             p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
203                                                       FIND_ANYWHERE );
204         }
205         else if( p_intf->p_sys->p_input->b_dead )
206         {
207             vlc_object_release( p_intf->p_sys->p_input );
208             p_intf->p_sys->p_input = NULL;
209         }
210         p_input = p_intf->p_sys->p_input;
211
212         /* Update the vout */
213         p_last_vout = p_intf->p_sys->p_vout;
214         if( p_vout == NULL )
215         {
216             p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
217             p_intf->p_sys->p_vout = p_vout;
218         }
219         else if( p_vout->b_die )
220         {
221             vlc_object_release( p_vout );
222             p_vout = NULL;
223             p_intf->p_sys->p_vout = NULL;
224         }
225
226         /* Register OSD channels */
227         if( p_vout && p_vout != p_last_vout )
228         {
229             for( i = 0; i < CHANNELS_NUMBER; i++ )
230             {
231                 spu_Control( p_vout->p_spu, SPU_CHANNEL_REGISTER,
232                              &p_intf->p_sys->p_channels[ i ] );
233             }
234         }
235
236         /* Find action triggered by hotkey */
237         i_action = 0;
238         i_key = GetKey( p_intf );
239         for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
240         {
241             if( p_hotkeys[i].i_key == i_key )
242             {
243                  i_action = p_hotkeys[i].i_action;
244             }
245         }
246
247         if( !i_action )
248         {
249             /* No key pressed, sleep a bit more */
250             msleep( INTF_IDLE_SLEEP );
251             continue;
252         }
253
254         if( i_action == ACTIONID_QUIT )
255         {
256             p_intf->p_vlc->b_die = VLC_TRUE;
257             ClearChannels( p_intf, p_vout );
258             vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Quit" ) );
259             continue;
260         }
261         else if( i_action == ACTIONID_VOL_UP )
262         {
263             audio_volume_t i_newvol;
264             aout_VolumeUp( p_intf, 1, &i_newvol );
265             DisplayVolume( p_intf, p_vout, i_newvol );
266         }
267         else if( i_action == ACTIONID_VOL_DOWN )
268         {
269             audio_volume_t i_newvol;
270             aout_VolumeDown( p_intf, 1, &i_newvol );
271             DisplayVolume( p_intf, p_vout, i_newvol );
272         }
273         else if( i_action == ACTIONID_VOL_MUTE )
274         {
275             audio_volume_t i_newvol = -1;
276             aout_VolumeMute( p_intf, &i_newvol );
277             if( p_vout )
278             {
279                 if( i_newvol == 0 )
280                 {
281                     ClearChannels( p_intf, p_vout );
282                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
283                                   OSD_MUTE_ICON );
284                 }
285                 else
286                 {
287                     DisplayVolume( p_intf, p_vout, i_newvol );
288                 }
289             }
290         }
291
292         else if( i_action == ACTIONID_SUBDELAY_DOWN )
293         {
294             int64_t i_delay = var_GetTime( p_input, "spu-delay" );
295
296             i_delay -= 10000;    /* 10 ms */
297
298             var_SetTime( p_input, "spu-delay", i_delay );
299             ClearChannels( p_intf, p_vout );
300             vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
301                                  (int)(i_delay/1000) );
302         }
303         else if( i_action == ACTIONID_SUBDELAY_UP )
304         {
305             int64_t i_delay = var_GetTime( p_input, "spu-delay" );
306
307             i_delay += 10000;    /* 10 ms */
308
309             var_SetTime( p_input, "spu-delay", i_delay );
310             ClearChannels( p_intf, p_vout );
311             vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
312                                  (int)(i_delay/1000) );
313         }
314         else if( i_action == ACTIONID_FULLSCREEN && p_vout )
315         {
316             var_Get( p_vout, "fullscreen", &val );
317             var_Set( p_vout, "fullscreen", (vlc_value_t)!val.b_bool );
318         }
319         else if( i_action == ACTIONID_PLAY )
320         {
321             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
322                                           FIND_ANYWHERE );
323             if( p_playlist )
324             {
325                 ClearChannels( p_intf, p_vout );
326                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
327                               OSD_PAUSE_ICON );
328                 playlist_Play( p_playlist );
329                 vlc_object_release( p_playlist );
330             }
331         }
332         else if( i_action == ACTIONID_PLAY_PAUSE )
333         {
334             val.i_int = PLAYING_S;
335             if( p_input )
336             {
337                 var_Get( p_input, "state", &val );
338             }
339             if( p_input && val.i_int != PAUSE_S )
340             {
341                 ClearChannels( p_intf, p_vout );
342                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
343                               OSD_PAUSE_ICON );
344                 val.i_int = PAUSE_S;
345                 var_Set( p_input, "state", val );
346             }
347             else
348             {
349                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
350                                               FIND_ANYWHERE );
351                 if( p_playlist )
352                 {
353                     ClearChannels( p_intf, p_vout );
354                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
355                                   OSD_PLAY_ICON );
356                     playlist_Play( p_playlist );
357                     vlc_object_release( p_playlist );
358                 }
359             }
360         }
361         else if( p_input )
362         {
363             /* FIXME --fenrir
364              * How to get a valid value ?
365              * That's not that easy with some special stream
366              */
367             vlc_bool_t b_seekable = VLC_TRUE;
368
369             if( i_action == ACTIONID_PAUSE )
370             {
371                 ClearChannels( p_intf, p_vout );
372                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
373                               OSD_PAUSE_ICON );
374                 val.i_int = PAUSE_S;
375                 var_Set( p_input, "state", val );
376             }
377             else if( i_action == ACTIONID_JUMP_BACKWARD_10SEC && b_seekable )
378             {
379                 val.i_time = -10000000;
380                 var_Set( p_input, "time-offset", val );
381                 DisplayPosition( p_intf, p_vout, p_input );
382             }
383             else if( i_action == ACTIONID_JUMP_FORWARD_10SEC && b_seekable )
384             {
385                 val.i_time = 10000000;
386                 var_Set( p_input, "time-offset", val );
387                 DisplayPosition( p_intf, p_vout, p_input );
388             }
389             else if( i_action == ACTIONID_JUMP_BACKWARD_1MIN && b_seekable )
390             {
391                 val.i_time = -60000000;
392                 var_Set( p_input, "time-offset", val );
393                 DisplayPosition( p_intf, p_vout, p_input );
394             }
395             else if( i_action == ACTIONID_JUMP_FORWARD_1MIN && b_seekable )
396             {
397                 val.i_time = 60000000;
398                 var_Set( p_input, "time-offset", val );
399                 DisplayPosition( p_intf, p_vout, p_input );
400             }
401             else if( i_action == ACTIONID_JUMP_BACKWARD_5MIN && b_seekable )
402             {
403                 val.i_time = -300000000;
404                 var_Set( p_input, "time-offset", val );
405                 DisplayPosition( p_intf, p_vout, p_input );
406             }
407             else if( i_action == ACTIONID_JUMP_FORWARD_5MIN && b_seekable )
408             {
409                 val.i_time = 300000000;
410                 var_Set( p_input, "time-offset", val );
411                 DisplayPosition( p_intf, p_vout, p_input );
412             }
413             else if( i_action == ACTIONID_AUDIO_TRACK )
414             {
415                 vlc_value_t val, list, list2;
416                 int i_count, i;
417                 var_Get( p_input, "audio-es", &val );
418                 var_Change( p_input, "audio-es", VLC_VAR_GETCHOICES,
419                             &list, &list2 );
420                 i_count = list.p_list->i_count;
421                 if( i_count <= 1 )
422                 {
423                     continue;
424                 }
425                 for( i = 0; i < i_count; i++ )
426                 {
427                     if( val.i_int == list.p_list->p_values[i].i_int )
428                     {
429                         break;
430                     }
431                 }
432                 /* value of audio-es was not in choices list */
433                 if( i == i_count )
434                 {
435                     msg_Warn( p_input,
436                               "invalid current audio track, selecting 0" );
437                     var_Set( p_input, "audio-es",
438                              list.p_list->p_values[0] );
439                     i = 0;
440                 }
441                 else if( i == i_count - 1 )
442                 {
443                     var_Set( p_input, "audio-es",
444                              list.p_list->p_values[1] );
445                     i = 1;
446                 }
447                 else
448                 {
449                     var_Set( p_input, "audio-es",
450                              list.p_list->p_values[i+1] );
451                     i++;
452                 }
453                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
454                                  _("Audio track: %s"),
455                                  list2.p_list->p_values[i].psz_string );
456             }
457             else if( i_action == ACTIONID_SUBTITLE_TRACK )
458             {
459                 vlc_value_t val, list, list2;
460                 int i_count, i;
461                 var_Get( p_input, "spu-es", &val );
462                 
463                 var_Change( p_input, "spu-es", VLC_VAR_GETCHOICES,
464                             &list, &list2 );
465                 i_count = list.p_list->i_count;
466                 if( i_count <= 1 )
467                 {
468                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Subtitle track: %s"), _("N/A") );
469                     continue;
470                 }
471                 for( i = 0; i < i_count; i++ )
472                 {
473                     if( val.i_int == list.p_list->p_values[i].i_int )
474                     {
475                         break;
476                     }
477                 }
478                 /* value of spu-es was not in choices list */
479                 if( i == i_count )
480                 {
481                     msg_Warn( p_input, "invalid current subtitle track, selecting 0" );
482                     var_Set( p_input, "spu-es", list.p_list->p_values[0] );
483                     i = 0;
484                 }
485                 else if( i == i_count - 1 )
486                 {
487                     var_Set( p_input, "spu-es", list.p_list->p_values[0] );
488                     i = 0;
489                 }
490                 else
491                 {
492                     var_Set( p_input, "spu-es", list.p_list->p_values[i+1] );
493                     i = i + 1;
494                 }
495                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
496                                  _("Subtitle track: %s"),
497                                  list2.p_list->p_values[i].psz_string );
498             }
499             else if( i_action == ACTIONID_NEXT )
500             {
501                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
502                                               FIND_ANYWHERE );
503                 if( p_playlist )
504                 {
505                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Next") );
506                     playlist_Next( p_playlist );
507                     vlc_object_release( p_playlist );
508                 }
509             }
510             else if( i_action == ACTIONID_PREV )
511             {
512                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
513                                               FIND_ANYWHERE );
514                 if( p_playlist )
515                 {
516                     vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Previous") );
517                     playlist_Prev( p_playlist );
518                     vlc_object_release( p_playlist );
519                 }
520             }
521             else if( i_action == ACTIONID_STOP )
522             {
523                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
524                                               FIND_ANYWHERE );
525                 if( p_playlist )
526                 {
527                     playlist_Stop( p_playlist );
528                     vlc_object_release( p_playlist );
529                 }
530             }
531             else if( i_action == ACTIONID_FASTER )
532             {
533                 vlc_value_t val; val.b_bool = VLC_TRUE;
534                 var_Set( p_input, "rate-faster", val );
535                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Faster") );
536             }
537             else if( i_action == ACTIONID_SLOWER )
538             {
539                 vlc_value_t val; val.b_bool = VLC_TRUE;
540                 var_Set( p_input, "rate-slower", val );
541                 vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN, _("Slower") );
542             }
543             else if( i_action == ACTIONID_POSITION && b_seekable )
544             {
545                 DisplayPosition( p_intf, p_vout, p_input );
546             }
547             else if( i_action >= ACTIONID_PLAY_BOOKMARK1 &&
548                      i_action <= ACTIONID_PLAY_BOOKMARK10 )
549             {
550                 PlayBookmark( p_intf, i_action - ACTIONID_PLAY_BOOKMARK1 + 1 );
551             }
552             else if( i_action >= ACTIONID_SET_BOOKMARK1 &&
553                      i_action <= ACTIONID_SET_BOOKMARK10 )
554             {
555                 SetBookmark( p_intf, i_action - ACTIONID_SET_BOOKMARK1 + 1 );
556             }
557         }
558     }
559 }
560
561 static int GetKey( intf_thread_t *p_intf)
562 {
563     vlc_mutex_lock( &p_intf->p_sys->change_lock );
564     if ( p_intf->p_sys->i_size == 0 )
565     {
566         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
567         return -1;
568     }
569     else
570     {
571         int i_return = p_intf->p_sys->p_keys[ 0 ];
572         int i;
573         p_intf->p_sys->i_size--;
574         for ( i = 0; i < BUFFER_SIZE - 1; i++)
575         {
576             p_intf->p_sys->p_keys[ i ] = p_intf->p_sys->p_keys[ i + 1 ];
577         }
578         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
579         return i_return;
580     }
581 }
582
583 /*****************************************************************************
584  * KeyEvent: callback for keyboard events
585  *****************************************************************************/
586 static int KeyEvent( vlc_object_t *p_this, char const *psz_var,
587                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
588 {
589     intf_thread_t *p_intf = (intf_thread_t *)p_data;
590     vlc_mutex_lock( &p_intf->p_sys->change_lock );
591     if ( p_intf->p_sys->i_size == BUFFER_SIZE )
592     {
593         msg_Warn( p_intf, "event buffer full, dropping keypress" );
594         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
595         return VLC_EGENERIC;
596     }
597     else
598     {
599         p_intf->p_sys->p_keys[ p_intf->p_sys->i_size ] = newval.i_int;
600         p_intf->p_sys->i_size++;
601     }
602     vlc_mutex_unlock( &p_intf->p_sys->change_lock );
603
604     return VLC_SUCCESS;
605 }
606
607 static int ActionKeyCB( vlc_object_t *p_this, char const *psz_var,
608                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
609 {
610     vlc_t *p_vlc = (vlc_t *)p_this;
611     struct hotkey *p_hotkeys = p_vlc->p_hotkeys;
612     int i;
613
614     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
615     {
616         if( !strcmp( p_hotkeys[i].psz_action, psz_var ) )
617         {
618             p_hotkeys[i].i_key = newval.i_int;
619         }
620     }
621
622     return VLC_SUCCESS;
623 }
624
625 static void PlayBookmark( intf_thread_t *p_intf, int i_num )
626 {
627     vlc_value_t val;
628     int i_position;
629     char psz_bookmark_name[11];
630     playlist_t *p_playlist =
631         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
632
633     sprintf( psz_bookmark_name, "bookmark%i", i_num );
634     var_Create( p_intf, psz_bookmark_name, VLC_VAR_STRING|VLC_VAR_DOINHERIT );
635     var_Get( p_intf, psz_bookmark_name, &val );
636
637     if( p_playlist )
638     {
639         char *psz_bookmark = strdup( val.psz_string );
640         for( i_position = 0; i_position < p_playlist->i_size; i_position++)
641         {
642             if( !strcmp( psz_bookmark,
643                          p_playlist->pp_items[i_position]->input.psz_uri ) )
644             {
645                 playlist_Goto( p_playlist, i_position );
646                 break;
647             }
648         }
649         vlc_object_release( p_playlist );
650     }
651 }
652
653 static void SetBookmark( intf_thread_t *p_intf, int i_num )
654 {
655     vlc_value_t val;
656     playlist_t *p_playlist =
657         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
658     if( p_playlist )
659     {
660         char psz_bookmark_name[11];
661         sprintf( psz_bookmark_name, "bookmark%i", i_num );
662         var_Create( p_intf, psz_bookmark_name,
663                     VLC_VAR_STRING|VLC_VAR_DOINHERIT );
664         val.psz_string = strdup( p_playlist->pp_items[p_playlist->i_index]->input.psz_uri );
665         var_Set( p_intf, psz_bookmark_name, val );
666         msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num,
667                   val.psz_string );
668         vlc_object_release( p_playlist );
669     }
670 }
671
672 static void DisplayPosition( intf_thread_t *p_intf, vout_thread_t *p_vout,
673                              input_thread_t *p_input )
674 {
675     char psz_duration[MSTRTIME_MAX_SIZE];
676     char psz_time[MSTRTIME_MAX_SIZE];
677     vlc_value_t time, pos;
678     mtime_t i_seconds;
679
680     if( p_vout == NULL )
681     {
682         return;
683     }
684     ClearChannels( p_intf, p_vout );
685
686     var_Get( p_input, "time", &time );
687     i_seconds = time.i_time / 1000000;
688     secstotimestr ( psz_time, i_seconds );
689
690     var_Get( p_input, "length", &time );
691     if( time.i_time > 0 )
692     {
693         secstotimestr( psz_duration, time.i_time / 1000000 );
694         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, "%s / %s",
695                          psz_time, psz_duration );
696     }
697     else if( i_seconds > 0 )
698     {
699         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, psz_time );
700     }
701
702     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
703     {
704         var_Get( p_input, "position", &pos );
705         vout_OSDSlider( VLC_OBJECT( p_input ), POSITION_WIDGET_CHAN,
706                         pos.f_float * 100, OSD_HOR_SLIDER );
707     }
708 }
709
710 static void DisplayVolume( intf_thread_t *p_intf, vout_thread_t *p_vout,
711                            audio_volume_t i_vol )
712 {
713     if( p_vout == NULL )
714     {
715         return;
716     }
717     ClearChannels( p_intf, p_vout );
718
719     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
720     {
721         vout_OSDSlider( VLC_OBJECT( p_vout ), VOLUME_WIDGET_CHAN,
722             i_vol*100/AOUT_VOLUME_MAX, OSD_VERT_SLIDER );
723     }
724     else
725     {
726         vout_OSDMessage( p_vout, VOLUME_TEXT_CHAN, "Vol %d%%",
727                          2*i_vol*100/AOUT_VOLUME_MAX );
728     }
729 }
730
731 static void ClearChannels( intf_thread_t *p_intf, vout_thread_t *p_vout )
732 {
733     int i;
734
735     if( p_vout )
736     {
737         spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR, DEFAULT_CHAN );
738         for( i = 0; i < CHANNELS_NUMBER; i++ )
739         {
740             spu_Control( p_vout->p_spu, SPU_CHANNEL_CLEAR,
741                          p_intf->p_sys->p_channels[ i ] );
742         }
743     }
744 }