git.sesse.net Git - vlc/blob - modules/gui/skins2/src/vlcproc.cpp

   1 /*****************************************************************************
   2  * vlcproc.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
   8  *          Olivier Teulière <ipkiss@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include <vlc_common.h>
  30 #include <vlc_aout.h>
  31 #include <vlc_vout.h>
  32 #include <vlc_playlist.h>
  33
  34 #include "vlcproc.hpp"
  35 #include "os_factory.hpp"
  36 #include "os_loop.hpp"
  37 #include "os_timer.hpp"
  38 #include "var_manager.hpp"
  39 #include "vout_manager.hpp"
  40 #include "theme.hpp"
  41 #include "window_manager.hpp"
  42 #include "../commands/async_queue.hpp"
  43 #include "../commands/cmd_change_skin.hpp"
  44 #include "../commands/cmd_show_window.hpp"
  45 #include "../commands/cmd_quit.hpp"
  46 #include "../commands/cmd_resize.hpp"
  47 #include "../commands/cmd_vars.hpp"
  48 #include "../commands/cmd_dialogs.hpp"
  49 #include "../commands/cmd_update_item.hpp"
  50 #include "../utils/var_bool.hpp"
  51 #include <sstream>
  52
  53
  54 VlcProc *VlcProc::instance( intf_thread_t *pIntf )
  55 {
  56     if( pIntf->p_sys->p_vlcProc == NULL )
  57     {
  58         pIntf->p_sys->p_vlcProc = new VlcProc( pIntf );
  59     }
  60
  61     return pIntf->p_sys->p_vlcProc;
  62 }
  63
  64
  65 void VlcProc::destroy( intf_thread_t *pIntf )
  66 {
  67     delete pIntf->p_sys->p_vlcProc;
  68     pIntf->p_sys->p_vlcProc = NULL;
  69 }
  70
  71
  72 VlcProc::VlcProc( intf_thread_t *pIntf ): SkinObject( pIntf ),
  73     m_varVoutSize( pIntf ), m_varEqBands( pIntf ),
  74     m_pVout( NULL ), m_pAout( NULL ), m_cmdManage( this )
  75 {
  76     // Create a timer to poll the status of the vlc
  77     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  78     m_pTimer = pOsFactory->createOSTimer( m_cmdManage );
  79     m_pTimer->start( 100, false );
  80
  81     // Create and register VLC variables
  82     VarManager *pVarManager = VarManager::instance( getIntf() );
  83
  84 #define REGISTER_VAR( var, type, name ) \
  85     var = VariablePtr( new type( getIntf() ) ); \
  86     pVarManager->registerVar( var, name );
  87     REGISTER_VAR( m_cVarRandom, VarBoolImpl, "playlist.isRandom" )
  88     REGISTER_VAR( m_cVarLoop, VarBoolImpl, "playlist.isLoop" )
  89     REGISTER_VAR( m_cVarRepeat, VarBoolImpl, "playlist.isRepeat" )
  90     REGISTER_VAR( m_cPlaytree, Playtree, "playtree" )
  91     pVarManager->registerVar( getPlaytreeVar().getPositionVarPtr(),
  92                               "playtree.slider" );
  93     pVarManager->registerVar( m_cVarRandom, "playtree.isRandom" );
  94     pVarManager->registerVar( m_cVarLoop, "playtree.isLoop" );
  95
  96     REGISTER_VAR( m_cVarPlaying, VarBoolImpl, "vlc.isPlaying" )
  97     REGISTER_VAR( m_cVarStopped, VarBoolImpl, "vlc.isStopped" )
  98     REGISTER_VAR( m_cVarPaused, VarBoolImpl, "vlc.isPaused" )
  99
 100     /* Input variables */
 101     pVarManager->registerVar( m_cVarRepeat, "playtree.isRepeat" );
 102     REGISTER_VAR( m_cVarTime, StreamTime, "time" )
 103     REGISTER_VAR( m_cVarSeekable, VarBoolImpl, "vlc.isSeekable" )
 104     REGISTER_VAR( m_cVarDvdActive, VarBoolImpl, "dvd.isActive" )
 105
 106     /* Vout variables */
 107     REGISTER_VAR( m_cVarFullscreen, VarBoolImpl, "vlc.isFullscreen" )
 108     REGISTER_VAR( m_cVarHasVout, VarBoolImpl, "vlc.hasVout" )
 109
 110     /* Aout variables */
 111     REGISTER_VAR( m_cVarHasAudio, VarBoolImpl, "vlc.hasAudio" )
 112     REGISTER_VAR( m_cVarVolume, Volume, "volume" )
 113     REGISTER_VAR( m_cVarMute, VarBoolImpl, "vlc.isMute" )
 114     REGISTER_VAR( m_cVarEqualizer, VarBoolImpl, "equalizer.isEnabled" )
 115     REGISTER_VAR( m_cVarEqPreamp, EqualizerPreamp, "equalizer.preamp" )
 116
 117 #undef REGISTER_VAR
 118     m_cVarStreamName = VariablePtr( new VarText( getIntf(), false ) );
 119     pVarManager->registerVar( m_cVarStreamName, "streamName" );
 120     m_cVarStreamURI = VariablePtr( new VarText( getIntf(), false ) );
 121     pVarManager->registerVar( m_cVarStreamURI, "streamURI" );
 122     m_cVarStreamBitRate = VariablePtr( new VarText( getIntf(), false ) );
 123     pVarManager->registerVar( m_cVarStreamBitRate, "bitrate" );
 124     m_cVarStreamSampleRate = VariablePtr( new VarText( getIntf(), false ) );
 125     pVarManager->registerVar( m_cVarStreamSampleRate, "samplerate" );
 126
 127     // Register the equalizer bands
 128     for( int i = 0; i < EqualizerBands::kNbBands; i++)
 129     {
 130         stringstream ss;
 131         ss << "equalizer.band(" << i << ")";
 132         pVarManager->registerVar( m_varEqBands.getBand( i ), ss.str() );
 133     }
 134
 135     // XXX WARNING XXX
 136     // The object variable callbacks are called from other VLC threads,
 137     // so they must put commands in the queue and NOT do anything else
 138     // (X11 calls are not reentrant)
 139
 140     // Called when the playlist changes
 141     var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
 142                      onIntfChange, this );
 143     // Called when a playlist item is added
 144     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-item-append",
 145                      onItemAppend, this );
 146     // Called when a playlist item is deleted
 147     // TODO: properly handle item-deleted
 148     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-item-deleted",
 149                      onItemDelete, this );
 150     // Called when the "interface shower" wants us to show the skin
 151     var_AddCallback( pIntf->p_libvlc, "intf-show",
 152                      onIntfShow, this );
 153     // Called when the current played item changes
 154     var_AddCallback( pIntf->p_sys->p_playlist, "item-current",
 155                      onPlaylistChange, this );
 156     // Called when a playlist item changed
 157     var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
 158                      onItemChange, this );
 159     // Called when our skins2 demux wants us to load a new skin
 160     var_AddCallback( pIntf, "skin-to-load", onSkinToLoad, this );
 161
 162     // Called when we have an interaction dialog to display
 163     var_Create( pIntf, "interaction", VLC_VAR_ADDRESS );
 164     var_AddCallback( pIntf, "interaction", onInteraction, this );
 165     interaction_Register( pIntf );
 166
 167     getIntf()->p_sys->p_input = NULL;
 168 }
 169
 170
 171 VlcProc::~VlcProc()
 172 {
 173     m_pTimer->stop();
 174     delete( m_pTimer );
 175     if( getIntf()->p_sys->p_input )
 176     {
 177         vlc_object_release( getIntf()->p_sys->p_input );
 178         getIntf()->p_sys->p_input = NULL;
 179     }
 180
 181     interaction_Unregister( getIntf() );
 182
 183     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
 184                      onIntfChange, this );
 185     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-item-append",
 186                      onItemAppend, this );
 187     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-item-deleted",
 188                      onItemDelete, this );
 189     var_DelCallback( getIntf()->p_libvlc, "intf-show",
 190                      onIntfShow, this );
 191     var_DelCallback( getIntf()->p_sys->p_playlist, "item-current",
 192                      onPlaylistChange, this );
 193     var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
 194                      onItemChange, this );
 195     var_DelCallback( getIntf(), "skin-to-load", onSkinToLoad, this );
 196     var_DelCallback( getIntf(), "interaction", onInteraction, this );
 197 }
 198
 199 void VlcProc::manage()
 200 {
 201     // Did the user request to quit vlc ?
 202     if( !vlc_object_alive( getIntf() ) )
 203     {
 204         // Get the instance of OSFactory
 205         OSFactory *pOsFactory = OSFactory::instance( getIntf() );
 206
 207         // Exit the main OS loop
 208         pOsFactory->getOSLoop()->exit();
 209
 210         return;
 211     }
 212
 213     refreshPlaylist();
 214     refreshAudio();
 215     refreshInput();
 216 }
 217
 218 void VlcProc::CmdManage::execute()
 219 {
 220     // Just forward to VlcProc
 221     m_pParent->manage();
 222 }
 223
 224 void VlcProc::refreshAudio()
 225 {
 226     char *pFilters;
 227
 228     // Check if the audio output has changed
 229     aout_instance_t *pAout = (aout_instance_t *)vlc_object_find( getIntf(),
 230             VLC_OBJECT_AOUT, FIND_ANYWHERE );
 231     if( pAout )
 232     {
 233         if( pAout != m_pAout )
 234         {
 235             // Register the equalizer callbacks
 236             if( !var_AddCallback( pAout, "equalizer-bands",
 237                                   onEqBandsChange, this ) &&
 238                 !var_AddCallback( pAout, "equalizer-preamp",
 239                                   onEqPreampChange, this ) )
 240             {
 241                 m_pAout = pAout;
 242                 //char * psz_bands = var_GetString( p_aout, "equalizer-bands" );
 243             }
 244         }
 245         // Get the audio filters
 246         pFilters = var_GetNonEmptyString( pAout, "audio-filter" );
 247         vlc_object_release( pAout );
 248     }
 249     else
 250     {
 251         // Get the audio filters
 252         pFilters = config_GetPsz( getIntf(), "audio-filter" );
 253     }
 254
 255     // Refresh sound volume
 256     audio_volume_t volume;
 257     aout_VolumeGet( getIntf()->p_sys->p_playlist, &volume );
 258     Volume *pVolume = (Volume*)m_cVarVolume.get();
 259     pVolume->set( (double)volume * 2.0 / AOUT_VOLUME_MAX );
 260
 261     // Set the mute variable
 262     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 263     pVarMute->set( volume == 0 );
 264
 265     // Refresh the equalizer variable
 266     VarBoolImpl *pVarEqualizer = (VarBoolImpl*)m_cVarEqualizer.get();
 267     pVarEqualizer->set( pFilters && strstr( pFilters, "equalizer" ) );
 268     free( pFilters );
 269 }
 270
 271 void VlcProc::refreshPlaylist()
 272 {
 273     // Refresh the random variable
 274     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 275     vlc_value_t val;
 276     var_Get( getIntf()->p_sys->p_playlist, "random", &val );
 277     pVarRandom->set( val.b_bool != 0 );
 278
 279     // Refresh the loop variable
 280     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 281     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 282     pVarLoop->set( val.b_bool != 0 );
 283
 284     // Refresh the repeat variable
 285     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 286     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 287     pVarRepeat->set( val.b_bool != 0 );
 288 }
 289
 290 void VlcProc::refreshInput()
 291 {
 292     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 293     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 294     VarBoolImpl *pVarDvdActive = (VarBoolImpl*)m_cVarDvdActive.get();
 295     VarBoolImpl *pVarHasVout = (VarBoolImpl*)m_cVarHasVout.get();
 296     VarBoolImpl *pVarHasAudio = (VarBoolImpl*)m_cVarHasAudio.get();
 297     VarText *pBitrate = (VarText*)m_cVarStreamBitRate.get();
 298     VarText *pSampleRate = (VarText*)m_cVarStreamSampleRate.get();
 299     VarBoolImpl *pVarFullscreen = (VarBoolImpl*)m_cVarFullscreen.get();
 300     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 301     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 302     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 303
 304     // Update the input
 305     if( getIntf()->p_sys->p_input == NULL )
 306     {
 307         getIntf()->p_sys->p_input =
 308             playlist_CurrentInput( getIntf()->p_sys->p_playlist );
 309     }
 310     else if( getIntf()->p_sys->p_input->b_dead )
 311     {
 312         vlc_object_release( getIntf()->p_sys->p_input );
 313         getIntf()->p_sys->p_input = NULL;
 314     }
 315
 316     input_thread_t *pInput = getIntf()->p_sys->p_input;
 317
 318     if( pInput && vlc_object_alive (pInput) )
 319     {
 320         // Refresh time variables
 321         vlc_value_t pos;
 322         var_Get( pInput, "position", &pos );
 323         pTime->set( pos.f_float, false );
 324         pVarSeekable->set( pos.f_float != 0.0 );
 325
 326         // Refresh DVD detection
 327         vlc_value_t chapters_count;
 328         var_Change( pInput, "chapter", VLC_VAR_CHOICESCOUNT,
 329                         &chapters_count, NULL );
 330         pVarDvdActive->set( chapters_count.i_int > 0 );
 331
 332         // Get the input bitrate
 333         int bitrate = var_GetInteger( pInput, "bit-rate" ) / 1000;
 334         pBitrate->set( UString::fromInt( getIntf(), bitrate ) );
 335
 336         // Get the audio sample rate
 337         int sampleRate = var_GetInteger( pInput, "sample-rate" ) / 1000;
 338         pSampleRate->set( UString::fromInt( getIntf(), sampleRate ) );
 339
 340         // Do we have audio
 341         vlc_value_t audio_es;
 342         var_Change( pInput, "audio-es", VLC_VAR_CHOICESCOUNT,
 343                         &audio_es, NULL );
 344         pVarHasAudio->set( audio_es.i_int > 0 );
 345
 346         // Refresh fullscreen status
 347         vout_thread_t *pVout = input_GetVout( pInput );
 348         pVarHasVout->set( pVout != NULL );
 349         if( pVout )
 350         {
 351             pVarFullscreen->set( var_GetBool( pVout, "fullscreen" ) );
 352             vlc_object_release( pVout );
 353         }
 354
 355         // Refresh play/pause status
 356         int state = var_GetInteger( pInput, "state" );
 357         pVarStopped->set( false );
 358         pVarPlaying->set( state != PAUSE_S );
 359         pVarPaused->set( state == PAUSE_S );
 360     }
 361     else
 362     {
 363         pVarSeekable->set( false );
 364         pVarDvdActive->set( false );
 365         pTime->set( 0, false );
 366         pVarFullscreen->set( false );
 367         pVarHasAudio->set( false );
 368         pVarHasVout->set( false );
 369         pVarStopped->set( true );
 370         pVarPlaying->set( false );
 371         pVarPaused->set( false );
 372     }
 373 }
 374
 375 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 376                            vlc_value_t oldVal, vlc_value_t newVal,
 377                            void *pParam )
 378 {
 379     VlcProc *pThis = (VlcProc*)pParam;
 380
 381     // Update the stream variable
 382     pThis->updateStreamName();
 383
 384     // Create a playtree notify command (for new style playtree)
 385     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 386
 387     // Push the command in the asynchronous command queue
 388     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 389     pQueue->push( CmdGenericPtr( pCmdTree ) );
 390
 391     return VLC_SUCCESS;
 392 }
 393
 394
 395 int VlcProc::onIntfShow( vlc_object_t *pObj, const char *pVariable,
 396                          vlc_value_t oldVal, vlc_value_t newVal,
 397                          void *pParam )
 398 {
 399     if (newVal.b_bool)
 400     {
 401         VlcProc *pThis = (VlcProc*)pParam;
 402
 403         // Create a raise all command
 404         CmdRaiseAll *pCmd = new CmdRaiseAll( pThis->getIntf(),
 405             pThis->getIntf()->p_sys->p_theme->getWindowManager() );
 406
 407         // Push the command in the asynchronous command queue
 408         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 409         pQueue->push( CmdGenericPtr( pCmd ) );
 410     }
 411
 412     return VLC_SUCCESS;
 413 }
 414
 415
 416 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 417                            vlc_value_t oldval, vlc_value_t newval,
 418                            void *pParam )
 419 {
 420     VlcProc *pThis = (VlcProc*)pParam;
 421     input_item_t *p_item = static_cast<input_item_t*>(newval.p_address);
 422
 423     // Update the stream variable
 424     pThis->updateStreamName();
 425
 426     // Create a playtree notify command
 427     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 428                                                          p_item->i_id );
 429
 430     // Push the command in the asynchronous command queue
 431     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 432     pQueue->push( CmdGenericPtr( pCmdTree ), true );
 433
 434     return VLC_SUCCESS;
 435 }
 436
 437 int VlcProc::onItemAppend( vlc_object_t *pObj, const char *pVariable,
 438                            vlc_value_t oldVal, vlc_value_t newVal,
 439                            void *pParam )
 440 {
 441     VlcProc *pThis = (VlcProc*)pParam;
 442
 443     playlist_add_t *p_add = (playlist_add_t*)malloc( sizeof(
 444                                                 playlist_add_t ) ) ;
 445
 446     memcpy( p_add, newVal.p_address, sizeof( playlist_add_t ) ) ;
 447
 448     CmdGenericPtr ptrTree;
 449     CmdPlaytreeAppend *pCmdTree = new CmdPlaytreeAppend( pThis->getIntf(),
 450                                                              p_add );
 451     ptrTree = CmdGenericPtr( pCmdTree );
 452
 453     // Push the command in the asynchronous command queue
 454     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 455     pQueue->push( ptrTree , false );
 456
 457     return VLC_SUCCESS;
 458 }
 459
 460 int VlcProc::onItemDelete( vlc_object_t *pObj, const char *pVariable,
 461                            vlc_value_t oldVal, vlc_value_t newVal,
 462                            void *pParam )
 463 {
 464     VlcProc *pThis = (VlcProc*)pParam;
 465
 466     int i_id = newVal.i_int;
 467
 468     CmdGenericPtr ptrTree;
 469     CmdPlaytreeDelete *pCmdTree = new CmdPlaytreeDelete( pThis->getIntf(),
 470                                                          i_id);
 471     ptrTree = CmdGenericPtr( pCmdTree );
 472
 473     // Push the command in the asynchronous command queue
 474     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 475     pQueue->push( ptrTree , false );
 476
 477     return VLC_SUCCESS;
 478 }
 479
 480
 481 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 482                                vlc_value_t oldval, vlc_value_t newval,
 483                                void *pParam )
 484 {
 485     VlcProc *pThis = (VlcProc*)pParam;
 486     input_item_t *p_item = static_cast<input_item_t*>(newval.p_address);
 487
 488     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 489
 490     // Update the stream variable
 491     pThis->updateStreamName();
 492
 493     // Create two playtree notify commands: one for old item, one for new
 494 #if 0 /* FIXME: Heck, no! You cannot do that.
 495          There is no warranty that the old item is still valid. */
 496     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 497                                                          oldVal.i_int );
 498     pQueue->push( CmdGenericPtr( pCmdTree ) , true );
 499 #endif
 500     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(), p_item->i_id );
 501     pQueue->push( CmdGenericPtr( pCmdTree ) , true );
 502
 503     return VLC_SUCCESS;
 504 }
 505
 506
 507 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 508                            vlc_value_t oldVal, vlc_value_t newVal,
 509                            void *pParam )
 510 {
 511     VlcProc *pThis = (VlcProc*)pParam;
 512
 513     // Create a playlist notify command
 514     CmdChangeSkin *pCmd =
 515         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 516
 517     // Push the command in the asynchronous command queue
 518     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 519     pQueue->push( CmdGenericPtr( pCmd ) );
 520
 521     return VLC_SUCCESS;
 522 }
 523
 524 int VlcProc::onInteraction( vlc_object_t *pObj, const char *pVariable,
 525                             vlc_value_t oldVal, vlc_value_t newVal,
 526                             void *pParam )
 527 {
 528     VlcProc *pThis = (VlcProc*)pParam;
 529     interaction_dialog_t *p_dialog = (interaction_dialog_t *)(newVal.p_address);
 530
 531     CmdInteraction *pCmd = new CmdInteraction( pThis->getIntf(), p_dialog );
 532     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 533     pQueue->push( CmdGenericPtr( pCmd ) );
 534     return VLC_SUCCESS;
 535 }
 536
 537
 538 void VlcProc::updateStreamName()
 539 {
 540     // Create a update item command
 541     CmdUpdateItem *pCmdItem = new CmdUpdateItem( getIntf(), getStreamNameVar(), getStreamURIVar() );
 542
 543     // Push the command in the asynchronous command queue
 544     AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 545     pQueue->push( CmdGenericPtr( pCmdItem ) );
 546 }
 547
 548 int VlcProc::onEqBandsChange( vlc_object_t *pObj, const char *pVariable,
 549                               vlc_value_t oldVal, vlc_value_t newVal,
 550                               void *pParam )
 551 {
 552     VlcProc *pThis = (VlcProc*)pParam;
 553
 554     // Post a set equalizer bands command
 555     CmdSetEqBands *pCmd = new CmdSetEqBands( pThis->getIntf(),
 556                                              pThis->m_varEqBands,
 557                                              newVal.psz_string );
 558     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 559     pQueue->push( CmdGenericPtr( pCmd ) );
 560
 561     return VLC_SUCCESS;
 562 }
 563
 564
 565 int VlcProc::onEqPreampChange( vlc_object_t *pObj, const char *pVariable,
 566                                vlc_value_t oldVal, vlc_value_t newVal,
 567                                void *pParam )
 568 {
 569     VlcProc *pThis = (VlcProc*)pParam;
 570     EqualizerPreamp *pVarPreamp = (EqualizerPreamp*)(pThis->m_cVarEqPreamp.get());
 571
 572     // Post a set preamp command
 573     CmdSetEqPreamp *pCmd = new CmdSetEqPreamp( pThis->getIntf(), *pVarPreamp,
 574                                               (newVal.f_float + 20.0) / 40.0 );
 575     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 576     pQueue->push( CmdGenericPtr( pCmd ) );
 577
 578     return VLC_SUCCESS;
 579 }
 580