git.sesse.net Git - vlc/blob - src/osd/osd.c

   1 /*****************************************************************************
   2  * osd.c - The OSD Menu core code.
   3  *****************************************************************************
   4  * Copyright (C) 2005 M2X
   5  * $Id$
   6  *
   7  * Authors: Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
   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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #include <vlc/vlc.h>
  31 #include <vlc_keys.h>
  32 #include <vlc_osd.h>
  33
  34 #undef OSD_MENU_DEBUG
  35
  36 /*****************************************************************************
  37  * Local prototypes
  38  *****************************************************************************/
  39
  40 static void osd_UpdateState( osd_menu_state_t *, int, int, int, int, picture_t * );
  41 static inline osd_state_t *osd_VolumeStateChange( osd_state_t *, int );
  42 static int osd_VolumeStep( vlc_object_t *, int, int );
  43 static vlc_bool_t osd_isVisible( osd_menu_t *p_osd );
  44
  45 static vlc_bool_t osd_isVisible( osd_menu_t *p_osd )
  46 {
  47     vlc_value_t val;
  48
  49     var_Get( p_osd, "osd-menu-visible", &val );
  50     return val.b_bool;
  51 }
  52
  53 /*****************************************************************************
  54  * OSD menu Funtions
  55  *****************************************************************************/
  56 osd_menu_t *__osd_MenuCreate( vlc_object_t *p_this, const char *psz_file )
  57 {
  58     osd_menu_t  *p_osd = NULL;
  59     vlc_value_t lockval;
  60     int         i_volume = 0;
  61     int         i_steps = 0;
  62
  63     /* to be sure to avoid multiple creation */
  64     var_Create( p_this->p_libvlc, "osd_mutex", VLC_VAR_MUTEX );
  65     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
  66     vlc_mutex_lock( lockval.p_address );
  67
  68     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
  69     if( p_osd == NULL )
  70     {
  71         vlc_value_t val;
  72
  73         msg_Dbg( p_this, "creating OSD menu object" );
  74         if( ( p_osd = vlc_object_create( p_this, VLC_OBJECT_OSDMENU ) ) == NULL )
  75         {
  76             msg_Err( p_this, "out of memory" );
  77             vlc_mutex_unlock( lockval.p_address );
  78             return NULL;
  79         }
  80
  81         /* Parse configuration file */
  82         if( osd_ConfigLoader( p_this, psz_file, &p_osd ) )
  83             goto error;
  84
  85         /* Setup default button (first button) */
  86         p_osd->p_state->p_visible = p_osd->p_button;
  87         p_osd->p_state->p_visible->p_current_state =
  88             osd_StateChange( p_osd->p_state->p_visible->p_states, OSD_BUTTON_SELECT );
  89         p_osd->i_width  = p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch;
  90         p_osd->i_height = p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_lines;
  91
  92         if( p_osd->p_state->p_volume )
  93         {
  94             /* Update the volume state images to match the current volume */
  95             i_volume = config_GetInt( p_this, "volume" );
  96             i_steps = osd_VolumeStep( p_this, i_volume, p_osd->p_state->p_volume->i_ranges );
  97             p_osd->p_state->p_volume->p_current_state = osd_VolumeStateChange(
  98                                     p_osd->p_state->p_volume->p_states, i_steps );
  99         }
 100         /* Initialize OSD state */
 101         osd_UpdateState( p_osd->p_state, p_osd->i_x, p_osd->i_y,
 102                          p_osd->i_width, p_osd->i_height, NULL );
 103
 104         vlc_object_yield( p_osd );
 105         vlc_object_attach( p_osd, p_this->p_libvlc );
 106
 107         /* Signal when an update of OSD menu is needed */
 108         var_Create( p_osd, "osd-menu-update", VLC_VAR_BOOL );
 109         var_Create( p_osd, "osd-menu-visible", VLC_VAR_BOOL );
 110
 111         val.b_bool = VLC_FALSE;
 112         var_Set( p_osd, "osd-menu-update", val );
 113         var_Set( p_osd, "osd-menu-visible", val );
 114     }
 115     vlc_mutex_unlock( lockval.p_address );
 116     return p_osd;
 117
 118 error:
 119     msg_Err( p_this, "creating OSD menu object failed" );
 120     vlc_mutex_unlock( lockval.p_address );
 121     vlc_object_destroy( p_osd );
 122     return NULL;
 123 }
 124
 125 void __osd_MenuDelete( vlc_object_t *p_this, osd_menu_t *p_osd )
 126 {
 127     vlc_value_t lockval;
 128
 129     if( !p_osd || !p_this ) return;
 130
 131     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 132     vlc_mutex_lock( lockval.p_address );
 133
 134     vlc_object_release( p_osd );
 135     if( p_osd->i_refcount > 0 )
 136     {
 137         vlc_mutex_unlock( lockval.p_address );
 138         return;
 139     }
 140
 141     var_Destroy( p_osd, "osd-menu-visible" );
 142     var_Destroy( p_osd, "osd-menu-update" );
 143
 144     osd_ConfigUnload( p_this, &p_osd );
 145     vlc_object_detach( p_osd );
 146     vlc_object_destroy( p_osd );
 147     p_osd = NULL;
 148
 149     vlc_mutex_unlock( lockval.p_address );
 150 }
 151
 152 osd_state_t *__osd_StateChange( osd_state_t *p_states, const int i_state )
 153 {
 154     osd_state_t *p_current = p_states;
 155     osd_state_t *p_temp = NULL;
 156     int i = 0;
 157
 158     for( i=0; p_current != NULL; i++ )
 159     {
 160         if( p_current->i_state == i_state )
 161             return p_current;
 162         p_temp = p_current->p_next;
 163         p_current = p_temp;
 164     }
 165     return p_states;
 166 }
 167
 168 /* The volume can be modified in another interface while the OSD Menu
 169  * has not been instantiated yet. This routines updates the "volume OSD menu item"
 170  * to reflect the current state of the GUI.
 171  */
 172 static inline osd_state_t *osd_VolumeStateChange( osd_state_t *p_current, int i_steps )
 173 {
 174     osd_state_t *p_temp = NULL;
 175     int i;
 176
 177     if( i_steps < 0 ) i_steps = 0;
 178
 179     for( i=0; (i < i_steps) && (p_current != NULL); i++ )
 180     {
 181         p_temp = p_current->p_next;
 182         if( !p_temp ) return p_current;
 183         p_current = p_temp;
 184     }
 185     return (!p_temp) ? p_current : p_temp;
 186 }
 187
 188 /* Update the state of the OSD Menu */
 189 static void osd_UpdateState( osd_menu_state_t *p_state, int i_x, int i_y,
 190         int i_width, int i_height, picture_t *p_pic )
 191 {
 192     p_state->i_x = i_x;
 193     p_state->i_y = i_y;
 194     p_state->i_width = i_width;
 195     p_state->i_height = i_height;
 196     p_state->p_pic = p_pic;
 197 }
 198
 199 void __osd_MenuShow( vlc_object_t *p_this )
 200 {
 201     osd_menu_t *p_osd = NULL;
 202     osd_button_t *p_button = NULL;
 203     vlc_value_t lockval;
 204
 205     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
 206     if( p_osd == NULL )
 207     {
 208         msg_Err( p_this, "osd_MenuNext failed" );
 209         return;
 210     }
 211
 212     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 213     vlc_mutex_lock( lockval.p_address );
 214
 215 #if defined(OSD_MENU_DEBUG)
 216     msg_Dbg( p_osd, "menu on" );
 217 #endif
 218     p_button = p_osd->p_state->p_visible;
 219     if( p_button )
 220     {
 221         if( !p_button->b_range )
 222             p_button->p_current_state = osd_StateChange( p_button->p_states, OSD_BUTTON_UNSELECT );
 223         p_osd->p_state->p_visible = p_osd->p_button;
 224
 225         if( !p_osd->p_state->p_visible->b_range )
 226             p_osd->p_state->p_visible->p_current_state =
 227                 osd_StateChange( p_osd->p_state->p_visible->p_states, OSD_BUTTON_SELECT );
 228
 229         osd_UpdateState( p_osd->p_state,
 230                 p_osd->p_state->p_visible->i_x, p_osd->p_state->p_visible->i_y,
 231                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
 232                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
 233                 p_osd->p_state->p_visible->p_current_state->p_pic );
 234         osd_SetMenuUpdate( p_osd, VLC_TRUE );
 235     }
 236     osd_SetMenuVisible( p_osd, VLC_TRUE );
 237
 238     vlc_object_release( (vlc_object_t*) p_osd );
 239     vlc_mutex_unlock( lockval.p_address );
 240 }
 241
 242 void __osd_MenuHide( vlc_object_t *p_this )
 243 {
 244     osd_menu_t *p_osd = NULL;
 245     vlc_value_t lockval;
 246
 247     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
 248     if( p_osd == NULL )
 249     {
 250         msg_Err( p_this, "osd_MenuNext failed" );
 251         return;
 252     }
 253
 254     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 255     vlc_mutex_lock( lockval.p_address );
 256
 257 #if defined(OSD_MENU_DEBUG)
 258     msg_Dbg( p_osd, "menu off" );
 259 #endif
 260     osd_UpdateState( p_osd->p_state,
 261                 p_osd->p_state->i_x, p_osd->p_state->i_y,
 262                 0, 0, NULL );
 263     osd_SetMenuUpdate( p_osd, VLC_TRUE );
 264
 265     vlc_object_release( (vlc_object_t*) p_osd );
 266     vlc_mutex_unlock( lockval.p_address );
 267 }
 268
 269 void __osd_MenuActivate( vlc_object_t *p_this )
 270 {
 271     osd_menu_t *p_osd = NULL;
 272     osd_button_t *p_button = NULL;
 273     vlc_value_t lockval;
 274
 275     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
 276     if( p_osd == NULL )
 277     {
 278         msg_Err( p_this, "osd_MenuNext failed" );
 279         return;
 280     }
 281
 282     if( osd_isVisible( p_osd ) == VLC_FALSE )
 283     {
 284         vlc_object_release( (vlc_object_t*) p_osd );
 285         return;
 286     }
 287
 288     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 289     vlc_mutex_lock( lockval.p_address );
 290
 291 #if defined(OSD_MENU_DEBUG)
 292     msg_Dbg( p_osd, "select" );
 293 #endif
 294     p_button = p_osd->p_state->p_visible;
 295     /*
 296      * Is there a menu item above or below? If so, then select it.
 297      */
 298     if( p_button && p_button->p_up)
 299     {
 300         vlc_object_release( (vlc_object_t*) p_osd );
 301         vlc_mutex_unlock( lockval.p_address );
 302         __osd_MenuUp( p_this );   /* "menu select" means go to menu item above. */
 303         return;
 304     }
 305     if( p_button && p_button->p_down)
 306     {
 307         vlc_object_release( (vlc_object_t*) p_osd );
 308         vlc_mutex_unlock( lockval.p_address );
 309         __osd_MenuDown( p_this ); /* "menu select" means go to menu item below. */
 310         return;
 311     }
 312
 313     if( p_button && !p_button->b_range )
 314     {
 315         p_button->p_current_state = osd_StateChange( p_button->p_states, OSD_BUTTON_PRESSED );
 316         osd_UpdateState( p_osd->p_state,
 317                 p_button->i_x, p_button->i_y,
 318                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
 319                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
 320                 p_button->p_current_state->p_pic );
 321         osd_SetMenuUpdate( p_osd, VLC_TRUE );
 322         osd_SetMenuVisible( p_osd, VLC_TRUE );
 323         osd_SetKeyPressed( VLC_OBJECT(p_osd->p_libvlc), config_GetInt( p_osd, p_button->psz_action ) );
 324 #if defined(OSD_MENU_DEBUG)
 325         msg_Dbg( p_osd, "select (%d, %s)", config_GetInt( p_osd, p_button->psz_action ), p_button->psz_action );
 326 #endif
 327     }
 328     vlc_object_release( (vlc_object_t*) p_osd );
 329     vlc_mutex_unlock( lockval.p_address );
 330 }
 331
 332 void __osd_MenuNext( vlc_object_t *p_this )
 333 {
 334     osd_menu_t *p_osd = NULL;
 335     osd_button_t *p_button = NULL;
 336     vlc_value_t lockval;
 337
 338     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
 339     if( p_osd == NULL )
 340     {
 341         msg_Err( p_this, "osd_MenuNext failed" );
 342         return;
 343     }
 344
 345     if( osd_isVisible( p_osd ) == VLC_FALSE )
 346     {
 347         vlc_object_release( (vlc_object_t*) p_osd );
 348         return;
 349     }
 350
 351     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 352     vlc_mutex_lock( lockval.p_address );
 353
 354     p_button = p_osd->p_state->p_visible;
 355     if( p_button )
 356     {
 357         if( !p_button->b_range )
 358             p_button->p_current_state = osd_StateChange( p_button->p_states, OSD_BUTTON_UNSELECT );
 359         if( p_button->p_next )
 360             p_osd->p_state->p_visible = p_button->p_next;
 361         else
 362             p_osd->p_state->p_visible = p_osd->p_button;
 363
 364         if( !p_osd->p_state->p_visible->b_range )
 365             p_osd->p_state->p_visible->p_current_state =
 366                 osd_StateChange( p_osd->p_state->p_visible->p_states, OSD_BUTTON_SELECT );
 367
 368         osd_UpdateState( p_osd->p_state,
 369                 p_osd->p_state->p_visible->i_x, p_osd->p_state->p_visible->i_y,
 370                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
 371                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
 372                 p_osd->p_state->p_visible->p_current_state->p_pic );
 373         osd_SetMenuUpdate( p_osd, VLC_TRUE );
 374     }
 375 #if defined(OSD_MENU_DEBUG)
 376     msg_Dbg( p_osd, "direction right [button %s]", p_osd->p_state->p_visible->psz_action );
 377 #endif
 378
 379     vlc_object_release( (vlc_object_t*) p_osd );
 380     vlc_mutex_unlock( lockval.p_address );
 381 }
 382
 383 void __osd_MenuPrev( vlc_object_t *p_this )
 384 {
 385     osd_menu_t *p_osd = NULL;
 386     osd_button_t *p_button = NULL;
 387     vlc_value_t lockval;
 388
 389     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
 390     if( p_osd == NULL )
 391     {
 392         msg_Err( p_this, "osd_MenuPrev failed" );
 393         return;
 394     }
 395
 396     if( osd_isVisible( p_osd ) == VLC_FALSE )
 397     {
 398         vlc_object_release( (vlc_object_t*) p_osd );
 399         return;
 400     }
 401
 402     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 403     vlc_mutex_lock( lockval.p_address );
 404
 405     p_button = p_osd->p_state->p_visible;
 406     if( p_button )
 407     {
 408         if( !p_button->b_range )
 409             p_button->p_current_state = osd_StateChange( p_button->p_states, OSD_BUTTON_UNSELECT );
 410         if( p_button->p_prev )
 411             p_osd->p_state->p_visible = p_button->p_prev;
 412         else
 413             p_osd->p_state->p_visible = p_osd->p_last_button;
 414
 415         if( !p_osd->p_state->p_visible->b_range )
 416             p_osd->p_state->p_visible->p_current_state =
 417                 osd_StateChange( p_osd->p_state->p_visible->p_states, OSD_BUTTON_SELECT );
 418
 419         osd_UpdateState( p_osd->p_state,
 420                 p_osd->p_state->p_visible->i_x, p_osd->p_state->p_visible->i_y,
 421                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
 422                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
 423                 p_osd->p_state->p_visible->p_current_state->p_pic );
 424         osd_SetMenuUpdate( p_osd, VLC_TRUE );
 425     }
 426 #if defined(OSD_MENU_DEBUG)
 427     msg_Dbg( p_osd, "direction left [button %s]", p_osd->p_state->p_visible->psz_action );
 428 #endif
 429
 430     vlc_object_release( (vlc_object_t*) p_osd );
 431     vlc_mutex_unlock( lockval.p_address );
 432 }
 433
 434 void __osd_MenuUp( vlc_object_t *p_this )
 435 {
 436     osd_menu_t *p_osd = NULL;
 437     osd_button_t *p_button = NULL;
 438     vlc_value_t lockval;
 439 #if defined(OSD_MENU_DEBUG)
 440     vlc_value_t val;
 441 #endif
 442     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
 443     if( p_osd == NULL )
 444     {
 445         msg_Err( p_this, "osd_MenuDown failed" );
 446         return;
 447     }
 448
 449     if( osd_isVisible( p_osd ) == VLC_FALSE )
 450     {
 451         vlc_object_release( (vlc_object_t*) p_osd );
 452         return;
 453     }
 454
 455     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 456     vlc_mutex_lock( lockval.p_address );
 457
 458     p_button = p_osd->p_state->p_visible;
 459     if( p_button )
 460     {
 461         if( !p_button->b_range )
 462         {
 463             p_button->p_current_state = osd_StateChange( p_button->p_states, OSD_BUTTON_SELECT );
 464             if( p_button->p_up )
 465                 p_osd->p_state->p_visible = p_button->p_up;
 466         }
 467
 468         if( p_button->b_range && p_osd->p_state->p_visible->b_range )
 469         {
 470             osd_state_t *p_temp = p_osd->p_state->p_visible->p_current_state;
 471             if( p_temp && p_temp->p_next )
 472                 p_osd->p_state->p_visible->p_current_state = p_temp->p_next;
 473         }
 474         else if( !p_osd->p_state->p_visible->b_range )
 475         {
 476             p_osd->p_state->p_visible->p_current_state =
 477                 osd_StateChange( p_osd->p_state->p_visible->p_states, OSD_BUTTON_SELECT );
 478         }
 479
 480         osd_UpdateState( p_osd->p_state,
 481                 p_osd->p_state->p_visible->i_x, p_osd->p_state->p_visible->i_y,
 482                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
 483                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
 484                 p_osd->p_state->p_visible->p_current_state->p_pic );
 485         osd_SetMenuUpdate( p_osd, VLC_TRUE );
 486         /* If this is a range style action with associated images of only one state,
 487             * then perform "menu select" on every menu navigation
 488             */
 489         if( p_button->b_range )
 490         {
 491             osd_SetKeyPressed( VLC_OBJECT(p_osd->p_libvlc), config_GetInt(p_osd, p_button->psz_action) );
 492 #if defined(OSD_MENU_DEBUG)
 493             msg_Dbg( p_osd, "select (%d, %s)", val.i_int, p_button->psz_action );
 494 #endif
 495         }
 496     }
 497 #if defined(OSD_MENU_DEBUG)
 498     msg_Dbg( p_osd, "direction up [button %s]", p_osd->p_state->p_visible->psz_action );
 499 #endif
 500
 501     vlc_object_release( (vlc_object_t*) p_osd );
 502     vlc_mutex_unlock( lockval.p_address );
 503 }
 504
 505 void __osd_MenuDown( vlc_object_t *p_this )
 506 {
 507     osd_menu_t *p_osd = NULL;
 508     osd_button_t *p_button = NULL;
 509     vlc_value_t lockval;
 510 #if defined(OSD_MENU_DEBUG)
 511     vlc_value_t val;
 512 #endif
 513
 514     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
 515     if( p_osd == NULL )
 516     {
 517         msg_Err( p_this, "osd_MenuDown failed" );
 518         return;
 519     }
 520
 521     if( osd_isVisible( p_osd ) == VLC_FALSE )
 522     {
 523         vlc_object_release( (vlc_object_t*) p_osd );
 524         return;
 525     }
 526
 527     var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 528     vlc_mutex_lock( lockval.p_address );
 529
 530     p_button = p_osd->p_state->p_visible;
 531     if( p_button )
 532     {
 533         if( !p_button->b_range )
 534         {
 535             p_button->p_current_state = osd_StateChange( p_button->p_states, OSD_BUTTON_SELECT );
 536             if( p_button->p_down )
 537                 p_osd->p_state->p_visible = p_button->p_down;
 538         }
 539
 540         if( p_button->b_range && p_osd->p_state->p_visible->b_range )
 541         {
 542             osd_state_t *p_temp = p_osd->p_state->p_visible->p_current_state;
 543             if( p_temp && p_temp->p_prev )
 544                 p_osd->p_state->p_visible->p_current_state = p_temp->p_prev;
 545         }
 546         else if( !p_osd->p_state->p_visible->b_range )
 547         {
 548             p_osd->p_state->p_visible->p_current_state =
 549                 osd_StateChange( p_osd->p_state->p_visible->p_states, OSD_BUTTON_SELECT );
 550         }
 551
 552         osd_UpdateState( p_osd->p_state,
 553                 p_osd->p_state->p_visible->i_x, p_osd->p_state->p_visible->i_y,
 554                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
 555                 p_osd->p_state->p_visible->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
 556                 p_osd->p_state->p_visible->p_current_state->p_pic );
 557         osd_SetMenuUpdate( p_osd, VLC_TRUE );
 558         /* If this is a range style action with associated images of only one state,
 559          * then perform "menu select" on every menu navigation
 560          */
 561         if( p_button->b_range )
 562         {
 563             osd_SetKeyPressed( VLC_OBJECT(p_osd->p_libvlc), config_GetInt(p_osd, p_button->psz_action_down) );
 564 #if defined(OSD_MENU_DEBUG)
 565             msg_Dbg( p_osd, "select (%d, %s)", val.i_int, p_button->psz_action_down );
 566 #endif
 567         }
 568     }
 569 #if defined(OSD_MENU_DEBUG)
 570     msg_Dbg( p_osd, "direction down [button %s]", p_osd->p_state->p_visible->psz_action );
 571 #endif
 572
 573     vlc_object_release( (vlc_object_t*) p_osd );
 574     vlc_mutex_unlock( lockval.p_address );
 575 }
 576
 577 static int osd_VolumeStep( vlc_object_t *p_this, int i_volume, int i_steps )
 578 {
 579     int i_volume_step = 0;
 580     (void)i_steps;
 581
 582     i_volume_step = config_GetInt( p_this->p_libvlc, "volume-step" );
 583     return (i_volume/i_volume_step);
 584 }
 585
 586 /**
 587  * Display current audio volume bitmap
 588  *
 589  * The OSD Menu audio volume bar is updated to reflect the new audio volume. Call this function
 590  * when the audio volume is updated outside the OSD menu command "menu up", "menu down" or "menu select".
 591  */
 592 void __osd_Volume( vlc_object_t *p_this )
 593 {
 594     osd_menu_t *p_osd = NULL;
 595     osd_button_t *p_button = NULL;
 596     vlc_value_t lockval;
 597     int i_volume = 0;
 598     int i_steps = 0;
 599
 600     p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
 601     if( p_osd == NULL )
 602     {
 603         msg_Err( p_this, "OSD menu volume update failed" );
 604         return;
 605     }
 606
 607     if( p_osd->p_state && p_osd->p_state->p_volume )
 608     {
 609         var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
 610         vlc_mutex_lock( lockval.p_address );
 611
 612         p_button = p_osd->p_state->p_volume;
 613         if( p_osd->p_state->p_volume )
 614             p_osd->p_state->p_visible = p_osd->p_state->p_volume;
 615         if( p_button && p_button->b_range )
 616         {
 617             /* Update the volume state images to match the current volume */
 618             i_volume = config_GetInt( p_this, "volume" );
 619             i_steps = osd_VolumeStep( p_this, i_volume, p_button->i_ranges );
 620             p_button->p_current_state = osd_VolumeStateChange( p_button->p_states, i_steps );
 621
 622             osd_UpdateState( p_osd->p_state,
 623                     p_button->i_x, p_button->i_y,
 624                     p_button->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
 625                     p_button->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
 626                     p_button->p_current_state->p_pic );
 627             osd_SetMenuUpdate( p_osd, VLC_TRUE );
 628             osd_SetMenuVisible( p_osd, VLC_TRUE );
 629         }
 630         vlc_object_release( (vlc_object_t*) p_osd );
 631         vlc_mutex_unlock( lockval.p_address );
 632     }
 633 }