]> git.sesse.net Git - vlc/blob - modules/control/hotkeys.c
* all: rework of the input.
[vlc] / 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                 p_intf->p_sys->p_channels[ i ] =
232                     vout_RegisterOSDChannel( p_vout );
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             int i_delay;
295             if( input_Control( p_input, INPUT_GET_SUBDELAY, &i_delay ) ==
296                 VLC_SUCCESS )
297             {
298                 i_delay--;
299                 input_Control( p_input, INPUT_SET_SUBDELAY, i_delay );
300                 ClearChannels( p_intf, p_vout );
301                 vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
302                                  i_delay*100);
303             }
304         }
305         else if( i_action == ACTIONID_SUBDELAY_UP )
306         {
307             int i_delay;
308             if( input_Control( p_input, INPUT_GET_SUBDELAY, &i_delay ) ==
309                 VLC_SUCCESS )
310             {
311                 i_delay++;
312                 input_Control( p_input, INPUT_SET_SUBDELAY, i_delay );
313                 ClearChannels( p_intf, p_vout );
314                 vout_OSDMessage( p_intf, DEFAULT_CHAN, "Subtitle delay %i ms",
315                                  i_delay*100);
316             }
317         }
318         else if( i_action == ACTIONID_FULLSCREEN && p_vout )
319         {
320             var_Get( p_vout, "fullscreen", &val );
321             var_Set( p_vout, "fullscreen", (vlc_value_t)!val.b_bool );
322         }
323         else if( i_action == ACTIONID_PLAY )
324         {
325             p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
326                                           FIND_ANYWHERE );
327             if( p_playlist )
328             {
329                 playlist_Play( p_playlist );
330                 vlc_object_release( p_playlist );
331             }
332         }
333         else if( i_action == ACTIONID_PLAY_PAUSE )
334         {
335             val.i_int = PLAYING_S;
336             if( p_input )
337             {
338                 var_Get( p_input, "state", &val );
339             }
340             if( p_input && val.i_int != PAUSE_S )
341             {
342                 ClearChannels( p_intf, p_vout );
343                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
344                               OSD_PAUSE_ICON );
345                 val.i_int = PAUSE_S;
346                 var_Set( p_input, "state", val );
347             }
348             else
349             {
350                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
351                                               FIND_ANYWHERE );
352                 if( p_playlist )
353                 {
354                     ClearChannels( p_intf, p_vout );
355                     vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
356                                   OSD_PLAY_ICON );
357                     playlist_Play( p_playlist );
358                     vlc_object_release( p_playlist );
359                 }
360             }
361         }
362         else if( p_input )
363         {
364             /* FIXME --fenrir
365              * How to get a valid value ?
366              * That's not that easy with some special stream
367              */
368             vlc_bool_t b_seekable = VLC_TRUE;
369
370             if( i_action == ACTIONID_PAUSE )
371             {
372                 ClearChannels( p_intf, p_vout );
373                 vout_OSDIcon( VLC_OBJECT( p_intf ), DEFAULT_CHAN,
374                               OSD_PAUSE_ICON );
375                 val.i_int = PAUSE_S;
376                 var_Set( p_input, "state", val );
377             }
378             else if( i_action == ACTIONID_JUMP_BACKWARD_10SEC && b_seekable )
379             {
380                 val.i_time = -10000000;
381                 var_Set( p_input, "time-offset", val );
382                 DisplayPosition( p_intf, p_vout, p_input );
383             }
384             else if( i_action == ACTIONID_JUMP_FORWARD_10SEC && b_seekable )
385             {
386                 val.i_time = 10000000;
387                 var_Set( p_input, "time-offset", val );
388                 DisplayPosition( p_intf, p_vout, p_input );
389             }
390             else if( i_action == ACTIONID_JUMP_BACKWARD_1MIN && b_seekable )
391             {
392                 val.i_time = -60000000;
393                 var_Set( p_input, "time-offset", val );
394                 DisplayPosition( p_intf, p_vout, p_input );
395             }
396             else if( i_action == ACTIONID_JUMP_FORWARD_1MIN && b_seekable )
397             {
398                 val.i_time = 60000000;
399                 var_Set( p_input, "time-offset", val );
400                 DisplayPosition( p_intf, p_vout, p_input );
401             }
402             else if( i_action == ACTIONID_JUMP_BACKWARD_5MIN && b_seekable )
403             {
404                 val.i_time = -300000000;
405                 var_Set( p_input, "time-offset", val );
406                 DisplayPosition( p_intf, p_vout, p_input );
407             }
408             else if( i_action == ACTIONID_JUMP_FORWARD_5MIN && b_seekable )
409             {
410                 val.i_time = 300000000;
411                 var_Set( p_input, "time-offset", val );
412                 DisplayPosition( p_intf, p_vout, p_input );
413             }
414             else if( i_action == ACTIONID_NEXT )
415             {
416                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
417                                               FIND_ANYWHERE );
418                 if( p_playlist )
419                 {
420                     playlist_Next( p_playlist );
421                     vlc_object_release( p_playlist );
422                 }
423             }
424             else if( i_action == ACTIONID_PREV )
425             {
426                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
427                                               FIND_ANYWHERE );
428                 if( p_playlist )
429                 {
430                     playlist_Prev( p_playlist );
431                     vlc_object_release( p_playlist );
432                 }
433             }
434             else if( i_action == ACTIONID_STOP )
435             {
436                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
437                                               FIND_ANYWHERE );
438                 if( p_playlist )
439                 {
440                     playlist_Stop( p_playlist );
441                     vlc_object_release( p_playlist );
442                 }
443             }
444             else if( i_action == ACTIONID_FASTER )
445             {
446                 vlc_value_t val; val.b_bool = VLC_TRUE;
447                 var_Set( p_input, "rate-faster", val );
448             }
449             else if( i_action == ACTIONID_SLOWER )
450             {
451                 vlc_value_t val; val.b_bool = VLC_TRUE;
452                 var_Set( p_input, "rate-slower", val );
453             }
454             else if( i_action == ACTIONID_POSITION && b_seekable )
455             {
456                 DisplayPosition( p_intf, p_vout, p_input );
457             }
458             else if( i_action >= ACTIONID_PLAY_BOOKMARK1 &&
459                      i_action <= ACTIONID_PLAY_BOOKMARK10 )
460             {
461                 PlayBookmark( p_intf, i_action - ACTIONID_PLAY_BOOKMARK1 + 1 );
462             }
463             else if( i_action >= ACTIONID_SET_BOOKMARK1 &&
464                      i_action <= ACTIONID_SET_BOOKMARK10 )
465             {
466                 SetBookmark( p_intf, i_action - ACTIONID_SET_BOOKMARK1 + 1 );
467             }
468         }
469     }
470 }
471
472 static int GetKey( intf_thread_t *p_intf)
473 {
474     vlc_mutex_lock( &p_intf->p_sys->change_lock );
475     if ( p_intf->p_sys->i_size == 0 )
476     {
477         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
478         return -1;
479     }
480     else
481     {
482         int i_return = p_intf->p_sys->p_keys[ 0 ];
483         int i;
484         p_intf->p_sys->i_size--;
485         for ( i = 0; i < BUFFER_SIZE - 1; i++)
486         {
487             p_intf->p_sys->p_keys[ i ] = p_intf->p_sys->p_keys[ i + 1 ];
488         }
489         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
490         return i_return;
491     }
492 }
493
494 /*****************************************************************************
495  * KeyEvent: callback for keyboard events
496  *****************************************************************************/
497 static int KeyEvent( vlc_object_t *p_this, char const *psz_var,
498                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
499 {
500     intf_thread_t *p_intf = (intf_thread_t *)p_data;
501     vlc_mutex_lock( &p_intf->p_sys->change_lock );
502     if ( p_intf->p_sys->i_size == BUFFER_SIZE )
503     {
504         msg_Warn( p_intf, "event buffer full, dropping keypress" );
505         vlc_mutex_unlock( &p_intf->p_sys->change_lock );
506         return VLC_EGENERIC;
507     }
508     else
509     {
510         p_intf->p_sys->p_keys[ p_intf->p_sys->i_size ] = newval.i_int;
511         p_intf->p_sys->i_size++;
512     }
513     vlc_mutex_unlock( &p_intf->p_sys->change_lock );
514
515     return VLC_SUCCESS;
516 }
517
518 static int ActionKeyCB( vlc_object_t *p_this, char const *psz_var,
519                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
520 {
521     vlc_t *p_vlc = (vlc_t *)p_this;
522     struct hotkey *p_hotkeys = p_vlc->p_hotkeys;
523     int i;
524
525     for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
526     {
527         if( !strcmp( p_hotkeys[i].psz_action, psz_var ) )
528         {
529             p_hotkeys[i].i_key = newval.i_int;
530         }
531     }
532
533     return VLC_SUCCESS;
534 }
535
536 static void PlayBookmark( intf_thread_t *p_intf, int i_num )
537 {
538     vlc_value_t val;
539     int i_position;
540     char psz_bookmark_name[11];
541     playlist_t *p_playlist =
542         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
543
544     sprintf( psz_bookmark_name, "bookmark%i", i_num );
545     var_Create( p_intf, psz_bookmark_name, VLC_VAR_STRING|VLC_VAR_DOINHERIT );
546     var_Get( p_intf, psz_bookmark_name, &val );
547
548     if( p_playlist )
549     {
550         char *psz_bookmark = strdup( val.psz_string );
551         for( i_position = 0; i_position < p_playlist->i_size; i_position++)
552         {
553             if( !strcmp( psz_bookmark,
554                          p_playlist->pp_items[i_position]->input.psz_uri ) )
555             {
556                 playlist_Goto( p_playlist, i_position );
557                 break;
558             }
559         }
560         vlc_object_release( p_playlist );
561     }
562 }
563
564 static void SetBookmark( intf_thread_t *p_intf, int i_num )
565 {
566     vlc_value_t val;
567     playlist_t *p_playlist =
568         vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
569     if( p_playlist )
570     {
571         char psz_bookmark_name[11];
572         sprintf( psz_bookmark_name, "bookmark%i", i_num );
573         var_Create( p_intf, psz_bookmark_name,
574                     VLC_VAR_STRING|VLC_VAR_DOINHERIT );
575         val.psz_string = strdup( p_playlist->pp_items[p_playlist->i_index]->input.psz_uri );
576         var_Set( p_intf, psz_bookmark_name, val );
577         msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num,
578                   val.psz_string );
579         vlc_object_release( p_playlist );
580     }
581 }
582
583 static void DisplayPosition( intf_thread_t *p_intf, vout_thread_t *p_vout,
584                              input_thread_t *p_input )
585 {
586     char psz_duration[MSTRTIME_MAX_SIZE];
587     char psz_time[MSTRTIME_MAX_SIZE];
588     vlc_value_t time, pos;
589     mtime_t i_seconds;
590
591     if( p_vout == NULL )
592     {
593         return;
594     }
595     ClearChannels( p_intf, p_vout );
596
597     var_Get( p_input, "time", &time );
598     i_seconds = time.i_time / 1000000;
599     secstotimestr ( psz_time, i_seconds );
600
601     var_Get( p_input, "length", &time );
602     if( time.i_time > 0 )
603     {
604         secstotimestr( psz_duration, time.i_time / 1000000 );
605         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, "%s / %s",
606                          psz_time, psz_duration );
607     }
608     else if( i_seconds > 0 )
609     {
610         vout_OSDMessage( p_input, POSITION_TEXT_CHAN, psz_time );
611     }
612
613     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
614     {
615         var_Get( p_input, "position", &pos );
616         vout_OSDSlider( VLC_OBJECT( p_input ), POSITION_WIDGET_CHAN,
617                         pos.f_float * 100, OSD_HOR_SLIDER );
618     }
619 }
620
621 static void DisplayVolume( intf_thread_t *p_intf, vout_thread_t *p_vout,
622                            audio_volume_t i_vol )
623 {
624     if( p_vout == NULL )
625     {
626         return;
627     }
628     ClearChannels( p_intf, p_vout );
629
630     if( !p_vout->p_parent_intf || p_vout->b_fullscreen )
631     {
632         vout_OSDSlider( VLC_OBJECT( p_vout ), VOLUME_WIDGET_CHAN,
633             i_vol*100/AOUT_VOLUME_MAX, OSD_VERT_SLIDER );
634     }
635     else
636     {
637         vout_OSDMessage( p_vout, VOLUME_TEXT_CHAN, "Vol %d%%",
638                          2*i_vol*100/AOUT_VOLUME_MAX );
639     }
640 }
641
642 static void ClearChannels( intf_thread_t *p_intf, vout_thread_t *p_vout )
643 {
644     int i;
645
646     vout_ClearOSDChannel( p_vout, DEFAULT_CHAN );
647     for( i = 0; i < CHANNELS_NUMBER; i++ )
648     {
649         vout_ClearOSDChannel( p_vout, p_intf->p_sys->p_channels[ i ] );
650     }
651 }