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