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