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