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 "../commands/cmd_audio.hpp"
  51 #include "../utils/var_bool.hpp"
  52 #include <sstream>
  53
  54
  55 VlcProc *VlcProc::instance( intf_thread_t *pIntf )
  56 {
  57     if( pIntf->p_sys->p_vlcProc == NULL )
  58     {
  59         pIntf->p_sys->p_vlcProc = new VlcProc( pIntf );
  60     }
  61
  62     return pIntf->p_sys->p_vlcProc;
  63 }
  64
  65
  66 void VlcProc::destroy( intf_thread_t *pIntf )
  67 {
  68     delete pIntf->p_sys->p_vlcProc;
  69     pIntf->p_sys->p_vlcProc = NULL;
  70 }
  71
  72
  73 VlcProc::VlcProc( intf_thread_t *pIntf ): SkinObject( pIntf ),
  74     m_varVoutSize( pIntf ), m_varEqBands( pIntf ),
  75     m_pVout( NULL ), m_pAout( NULL ), m_cmdManage( this )
  76 {
  77     // Create a timer to poll the status of the vlc
  78     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  79     m_pTimer = pOsFactory->createOSTimer( m_cmdManage );
  80     m_pTimer->start( 100, false );
  81
  82     // Create and register VLC variables
  83     VarManager *pVarManager = VarManager::instance( getIntf() );
  84
  85 #define REGISTER_VAR( var, type, name ) \
  86     var = VariablePtr( new type( getIntf() ) ); \
  87     pVarManager->registerVar( var, name );
  88     REGISTER_VAR( m_cVarRandom, VarBoolImpl, "playlist.isRandom" )
  89     REGISTER_VAR( m_cVarLoop, VarBoolImpl, "playlist.isLoop" )
  90     REGISTER_VAR( m_cVarRepeat, VarBoolImpl, "playlist.isRepeat" )
  91     REGISTER_VAR( m_cPlaytree, Playtree, "playtree" )
  92     pVarManager->registerVar( getPlaytreeVar().getPositionVarPtr(),
  93                               "playtree.slider" );
  94     pVarManager->registerVar( m_cVarRandom, "playtree.isRandom" );
  95     pVarManager->registerVar( m_cVarLoop, "playtree.isLoop" );
  96
  97     REGISTER_VAR( m_cVarPlaying, VarBoolImpl, "vlc.isPlaying" )
  98     REGISTER_VAR( m_cVarStopped, VarBoolImpl, "vlc.isStopped" )
  99     REGISTER_VAR( m_cVarPaused, VarBoolImpl, "vlc.isPaused" )
 100
 101     /* Input variables */
 102     pVarManager->registerVar( m_cVarRepeat, "playtree.isRepeat" );
 103     REGISTER_VAR( m_cVarTime, StreamTime, "time" )
 104     REGISTER_VAR( m_cVarSeekable, VarBoolImpl, "vlc.isSeekable" )
 105     REGISTER_VAR( m_cVarDvdActive, VarBoolImpl, "dvd.isActive" )
 106
 107     /* Vout variables */
 108     REGISTER_VAR( m_cVarFullscreen, VarBoolImpl, "vlc.isFullscreen" )
 109     REGISTER_VAR( m_cVarHasVout, VarBoolImpl, "vlc.hasVout" )
 110
 111     /* Aout variables */
 112     REGISTER_VAR( m_cVarHasAudio, VarBoolImpl, "vlc.hasAudio" )
 113     REGISTER_VAR( m_cVarVolume, Volume, "volume" )
 114     REGISTER_VAR( m_cVarMute, VarBoolImpl, "vlc.isMute" )
 115     REGISTER_VAR( m_cVarEqualizer, VarBoolImpl, "equalizer.isEnabled" )
 116     REGISTER_VAR( m_cVarEqPreamp, EqualizerPreamp, "equalizer.preamp" )
 117
 118 #undef REGISTER_VAR
 119     m_cVarStreamName = VariablePtr( new VarText( getIntf(), false ) );
 120     pVarManager->registerVar( m_cVarStreamName, "streamName" );
 121     m_cVarStreamURI = VariablePtr( new VarText( getIntf(), false ) );
 122     pVarManager->registerVar( m_cVarStreamURI, "streamURI" );
 123     m_cVarStreamBitRate = VariablePtr( new VarText( getIntf(), false ) );
 124     pVarManager->registerVar( m_cVarStreamBitRate, "bitrate" );
 125     m_cVarStreamSampleRate = VariablePtr( new VarText( getIntf(), false ) );
 126     pVarManager->registerVar( m_cVarStreamSampleRate, "samplerate" );
 127
 128     // Register the equalizer bands
 129     for( int i = 0; i < EqualizerBands::kNbBands; i++)
 130     {
 131         stringstream ss;
 132         ss << "equalizer.band(" << i << ")";
 133         pVarManager->registerVar( m_varEqBands.getBand( i ), ss.str() );
 134     }
 135
 136     // XXX WARNING XXX
 137     // The object variable callbacks are called from other VLC threads,
 138     // so they must put commands in the queue and NOT do anything else
 139     // (X11 calls are not reentrant)
 140
 141     // Called when volume sound changes
 142     var_AddCallback( pIntf->p_libvlc, "volume-change",
 143                      onVolumeChanged, this );
 144     // Called when the playlist changes
 145     var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
 146                      onIntfChange, this );
 147     // Called when a playlist item is added
 148     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-item-append",
 149                      onItemAppend, this );
 150     // Called when a playlist item is deleted
 151     // TODO: properly handle item-deleted
 152     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-item-deleted",
 153                      onItemDelete, this );
 154     // Called when the "interface shower" wants us to show the skin
 155     var_AddCallback( pIntf->p_libvlc, "intf-show",
 156                      onIntfShow, this );
 157     // Called when the current played item changes
 158     var_AddCallback( pIntf->p_sys->p_playlist, "item-current",
 159                      onPlaylistChange, this );
 160     // Called when a playlist item changed
 161     var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
 162                      onItemChange, this );
 163     // Called when our skins2 demux wants us to load a new skin
 164     var_AddCallback( pIntf, "skin-to-load", onSkinToLoad, this );
 165
 166     // Called when we have an interaction dialog to display
 167     var_Create( pIntf, "interaction", VLC_VAR_ADDRESS );
 168     var_AddCallback( pIntf, "interaction", onInteraction, this );
 169     interaction_Register( pIntf );
 170
 171     getIntf()->p_sys->p_input = NULL;
 172 }
 173
 174
 175 VlcProc::~VlcProc()
 176 {
 177     m_pTimer->stop();
 178     delete( m_pTimer );
 179     if( getIntf()->p_sys->p_input )
 180     {
 181         vlc_object_release( getIntf()->p_sys->p_input );
 182         getIntf()->p_sys->p_input = NULL;
 183     }
 184
 185     interaction_Unregister( getIntf() );
 186
 187     var_DelCallback( getIntf()->p_libvlc, "volume-change",
 188                      onVolumeChanged, this );
 189     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
 190                      onIntfChange, this );
 191     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-item-append",
 192                      onItemAppend, this );
 193     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-item-deleted",
 194                      onItemDelete, this );
 195     var_DelCallback( getIntf()->p_libvlc, "intf-show",
 196                      onIntfShow, this );
 197     var_DelCallback( getIntf()->p_sys->p_playlist, "item-current",
 198                      onPlaylistChange, this );
 199     var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
 200                      onItemChange, this );
 201     var_DelCallback( getIntf(), "skin-to-load", onSkinToLoad, this );
 202     var_DelCallback( getIntf(), "interaction", onInteraction, this );
 203 }
 204
 205 void VlcProc::manage()
 206 {
 207     // Did the user request to quit vlc ?
 208     if( !vlc_object_alive( getIntf() ) )
 209     {
 210         // Get the instance of OSFactory
 211         OSFactory *pOsFactory = OSFactory::instance( getIntf() );
 212
 213         // Exit the main OS loop
 214         pOsFactory->getOSLoop()->exit();
 215
 216         return;
 217     }
 218
 219     refreshPlaylist();
 220     refreshAudio();
 221     refreshInput();
 222 }
 223
 224 void VlcProc::CmdManage::execute()
 225 {
 226     // Just forward to VlcProc
 227     m_pParent->manage();
 228 }
 229
 230 void VlcProc::refreshAudio()
 231 {
 232     char *pFilters;
 233     aout_instance_t *pAout = NULL;
 234
 235     playlist_t *pPlaylist = getIntf()->p_sys->p_playlist;
 236     input_thread_t *pInput = playlist_CurrentInput( pPlaylist );
 237     if( pInput )
 238         pAout = input_GetAout( pInput );
 239
 240     if( pAout )
 241     {
 242         // Check if the audio output has changed
 243         if( pAout != m_pAout )
 244         {
 245             // Register the equalizer callbacks
 246             if( !var_AddCallback( pAout, "equalizer-bands",
 247                                   onEqBandsChange, this ) &&
 248                 !var_AddCallback( pAout, "equalizer-preamp",
 249                                   onEqPreampChange, this ) )
 250             {
 251                 m_pAout = pAout;
 252                 //char * psz_bands = var_GetString( p_aout, "equalizer-bands" );
 253             }
 254         }
 255         // Get the audio filters
 256         pFilters = var_GetNonEmptyString( pAout, "audio-filter" );
 257     }
 258     else
 259     {
 260         // Get the audio filters
 261         pFilters = config_GetPsz( getIntf(), "audio-filter" );
 262     }
 263
 264     // Refresh the equalizer variable
 265     VarBoolImpl *pVarEqualizer = (VarBoolImpl*)m_cVarEqualizer.get();
 266     pVarEqualizer->set( pFilters && strstr( pFilters, "equalizer" ) );
 267     free( pFilters );
 268
 269     if( pAout )
 270         vlc_object_release( pAout );
 271     if( pInput )
 272         vlc_object_release( pInput );
 273 }
 274
 275 void VlcProc::refreshVolume()
 276 {
 277     // Refresh sound volume
 278     audio_volume_t volume;
 279     aout_VolumeGet( getIntf()->p_sys->p_playlist, &volume );
 280     Volume *pVolume = (Volume*)m_cVarVolume.get();
 281     pVolume->set( (double)volume * 2.0 / AOUT_VOLUME_MAX , false );
 282
 283     // Set the mute variable
 284     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 285     pVarMute->set( volume == 0 );
 286 }
 287
 288 void VlcProc::refreshPlaylist()
 289 {
 290     // Refresh the random variable
 291     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 292     vlc_value_t val;
 293     var_Get( getIntf()->p_sys->p_playlist, "random", &val );
 294     pVarRandom->set( val.b_bool != 0 );
 295
 296     // Refresh the loop variable
 297     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 298     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 299     pVarLoop->set( val.b_bool != 0 );
 300
 301     // Refresh the repeat variable
 302     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 303     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 304     pVarRepeat->set( val.b_bool != 0 );
 305 }
 306
 307 void VlcProc::refreshInput()
 308 {
 309     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 310     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 311     VarBoolImpl *pVarDvdActive = (VarBoolImpl*)m_cVarDvdActive.get();
 312     VarBoolImpl *pVarHasVout = (VarBoolImpl*)m_cVarHasVout.get();
 313     VarBoolImpl *pVarHasAudio = (VarBoolImpl*)m_cVarHasAudio.get();
 314     VarText *pBitrate = (VarText*)m_cVarStreamBitRate.get();
 315     VarText *pSampleRate = (VarText*)m_cVarStreamSampleRate.get();
 316     VarBoolImpl *pVarFullscreen = (VarBoolImpl*)m_cVarFullscreen.get();
 317     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 318     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 319     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 320
 321     // Update the input
 322     if( getIntf()->p_sys->p_input == NULL )
 323     {
 324         getIntf()->p_sys->p_input =
 325             playlist_CurrentInput( getIntf()->p_sys->p_playlist );
 326     }
 327     else if( getIntf()->p_sys->p_input->b_dead )
 328     {
 329         vlc_object_release( getIntf()->p_sys->p_input );
 330         getIntf()->p_sys->p_input = NULL;
 331     }
 332
 333     input_thread_t *pInput = getIntf()->p_sys->p_input;
 334
 335     if( pInput && vlc_object_alive (pInput) )
 336     {
 337         // Refresh time variables
 338         vlc_value_t pos;
 339         var_Get( pInput, "position", &pos );
 340         pTime->set( pos.f_float, false );
 341         pVarSeekable->set( pos.f_float != 0.0 );
 342
 343         // Refresh DVD detection
 344         vlc_value_t chapters_count;
 345         var_Change( pInput, "chapter", VLC_VAR_CHOICESCOUNT,
 346                         &chapters_count, NULL );
 347         pVarDvdActive->set( chapters_count.i_int > 0 );
 348
 349         // Get the input bitrate
 350         int bitrate = var_GetInteger( pInput, "bit-rate" ) / 1000;
 351         pBitrate->set( UString::fromInt( getIntf(), bitrate ) );
 352
 353         // Get the audio sample rate
 354         int sampleRate = var_GetInteger( pInput, "sample-rate" ) / 1000;
 355         pSampleRate->set( UString::fromInt( getIntf(), sampleRate ) );
 356
 357         // Do we have audio
 358         vlc_value_t audio_es;
 359         var_Change( pInput, "audio-es", VLC_VAR_CHOICESCOUNT,
 360                         &audio_es, NULL );
 361         pVarHasAudio->set( audio_es.i_int > 0 );
 362
 363         // Refresh fullscreen status
 364         vout_thread_t *pVout = input_GetVout( pInput );
 365         pVarHasVout->set( pVout != NULL );
 366         if( pVout )
 367         {
 368             pVarFullscreen->set( var_GetBool( pVout, "fullscreen" ) );
 369             vlc_object_release( pVout );
 370         }
 371
 372         // Refresh play/pause status
 373         int state = var_GetInteger( pInput, "state" );
 374         pVarStopped->set( false );
 375         pVarPlaying->set( state != PAUSE_S );
 376         pVarPaused->set( state == PAUSE_S );
 377     }
 378     else
 379     {
 380         pVarSeekable->set( false );
 381         pVarDvdActive->set( false );
 382         pTime->set( 0, false );
 383         pVarFullscreen->set( false );
 384         pVarHasAudio->set( false );
 385         pVarHasVout->set( false );
 386         pVarStopped->set( true );
 387         pVarPlaying->set( false );
 388         pVarPaused->set( false );
 389     }
 390 }
 391
 392 int VlcProc::onVolumeChanged( vlc_object_t *pObj, const char *pVariable,
 393                            vlc_value_t oldVal, vlc_value_t newVal,
 394                            void *pParam )
 395 {
 396     VlcProc *pThis = (VlcProc*)pParam;
 397
 398     // Create a playtree notify command (for new style playtree)
 399     CmdVolumeChanged *pCmd = new CmdVolumeChanged( pThis->getIntf() );
 400
 401     // Push the command in the asynchronous command queue
 402     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 403     pQueue->push( CmdGenericPtr( pCmd ) );
 404
 405     return VLC_SUCCESS;
 406 }
 407
 408
 409 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 410                            vlc_value_t oldVal, vlc_value_t newVal,
 411                            void *pParam )
 412 {
 413     VlcProc *pThis = (VlcProc*)pParam;
 414
 415     // Update the stream variable
 416     pThis->updateStreamName();
 417
 418     // Create a playtree notify command (for new style playtree)
 419     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 420
 421     // Push the command in the asynchronous command queue
 422     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 423     pQueue->push( CmdGenericPtr( pCmdTree ) );
 424
 425     return VLC_SUCCESS;
 426 }
 427
 428
 429 int VlcProc::onIntfShow( vlc_object_t *pObj, const char *pVariable,
 430                          vlc_value_t oldVal, vlc_value_t newVal,
 431                          void *pParam )
 432 {
 433     if (newVal.b_bool)
 434     {
 435         VlcProc *pThis = (VlcProc*)pParam;
 436
 437         // Create a raise all command
 438         CmdRaiseAll *pCmd = new CmdRaiseAll( pThis->getIntf(),
 439             pThis->getIntf()->p_sys->p_theme->getWindowManager() );
 440
 441         // Push the command in the asynchronous command queue
 442         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 443         pQueue->push( CmdGenericPtr( pCmd ) );
 444     }
 445
 446     return VLC_SUCCESS;
 447 }
 448
 449
 450 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 451                            vlc_value_t oldval, vlc_value_t newval,
 452                            void *pParam )
 453 {
 454     VlcProc *pThis = (VlcProc*)pParam;
 455     input_item_t *p_item = static_cast<input_item_t*>(newval.p_address);
 456
 457     // Update the stream variable
 458     pThis->updateStreamName();
 459
 460     // Create a playtree notify command
 461     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 462                                                          p_item->i_id );
 463
 464     // Push the command in the asynchronous command queue
 465     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 466     pQueue->push( CmdGenericPtr( pCmdTree ), true );
 467
 468     return VLC_SUCCESS;
 469 }
 470
 471 int VlcProc::onItemAppend( vlc_object_t *pObj, const char *pVariable,
 472                            vlc_value_t oldVal, vlc_value_t newVal,
 473                            void *pParam )
 474 {
 475     VlcProc *pThis = (VlcProc*)pParam;
 476
 477     playlist_add_t *p_add = (playlist_add_t*)malloc( sizeof(
 478                                                 playlist_add_t ) ) ;
 479
 480     memcpy( p_add, newVal.p_address, sizeof( playlist_add_t ) ) ;
 481
 482     CmdGenericPtr ptrTree;
 483     CmdPlaytreeAppend *pCmdTree = new CmdPlaytreeAppend( pThis->getIntf(),
 484                                                              p_add );
 485     ptrTree = CmdGenericPtr( pCmdTree );
 486
 487     // Push the command in the asynchronous command queue
 488     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 489     pQueue->push( ptrTree , false );
 490
 491     return VLC_SUCCESS;
 492 }
 493
 494 int VlcProc::onItemDelete( vlc_object_t *pObj, const char *pVariable,
 495                            vlc_value_t oldVal, vlc_value_t newVal,
 496                            void *pParam )
 497 {
 498     VlcProc *pThis = (VlcProc*)pParam;
 499
 500     int i_id = newVal.i_int;
 501
 502     CmdGenericPtr ptrTree;
 503     CmdPlaytreeDelete *pCmdTree = new CmdPlaytreeDelete( pThis->getIntf(),
 504                                                          i_id);
 505     ptrTree = CmdGenericPtr( pCmdTree );
 506
 507     // Push the command in the asynchronous command queue
 508     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 509     pQueue->push( ptrTree , false );
 510
 511     return VLC_SUCCESS;
 512 }
 513
 514
 515 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 516                                vlc_value_t oldval, vlc_value_t newval,
 517                                void *pParam )
 518 {
 519     VlcProc *pThis = (VlcProc*)pParam;
 520     input_item_t *p_item = static_cast<input_item_t*>(newval.p_address);
 521
 522     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 523
 524     // Update the stream variable
 525     pThis->updateStreamName();
 526
 527     // Create two playtree notify commands: one for old item, one for new
 528 #if 0 /* FIXME: Heck, no! You cannot do that.
 529          There is no warranty that the old item is still valid. */
 530     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 531                                                          oldVal.i_int );
 532     pQueue->push( CmdGenericPtr( pCmdTree ) , true );
 533 #endif
 534     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(), p_item->i_id );
 535     pQueue->push( CmdGenericPtr( pCmdTree ) , true );
 536
 537     return VLC_SUCCESS;
 538 }
 539
 540
 541 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 542                            vlc_value_t oldVal, vlc_value_t newVal,
 543                            void *pParam )
 544 {
 545     VlcProc *pThis = (VlcProc*)pParam;
 546
 547     // Create a playlist notify command
 548     CmdChangeSkin *pCmd =
 549         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 550
 551     // Push the command in the asynchronous command queue
 552     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 553     pQueue->push( CmdGenericPtr( pCmd ) );
 554
 555     return VLC_SUCCESS;
 556 }
 557
 558 int VlcProc::onInteraction( vlc_object_t *pObj, const char *pVariable,
 559                             vlc_value_t oldVal, vlc_value_t newVal,
 560                             void *pParam )
 561 {
 562     VlcProc *pThis = (VlcProc*)pParam;
 563     interaction_dialog_t *p_dialog = (interaction_dialog_t *)(newVal.p_address);
 564
 565     CmdInteraction *pCmd = new CmdInteraction( pThis->getIntf(), p_dialog );
 566     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 567     pQueue->push( CmdGenericPtr( pCmd ) );
 568     return VLC_SUCCESS;
 569 }
 570
 571
 572 void VlcProc::updateStreamName()
 573 {
 574     // Create a update item command
 575     CmdUpdateItem *pCmdItem = new CmdUpdateItem( getIntf(), getStreamNameVar(), getStreamURIVar() );
 576
 577     // Push the command in the asynchronous command queue
 578     AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 579     pQueue->push( CmdGenericPtr( pCmdItem ) );
 580 }
 581
 582 int VlcProc::onEqBandsChange( vlc_object_t *pObj, const char *pVariable,
 583                               vlc_value_t oldVal, vlc_value_t newVal,
 584                               void *pParam )
 585 {
 586     VlcProc *pThis = (VlcProc*)pParam;
 587
 588     // Post a set equalizer bands command
 589     CmdSetEqBands *pCmd = new CmdSetEqBands( pThis->getIntf(),
 590                                              pThis->m_varEqBands,
 591                                              newVal.psz_string );
 592     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 593     pQueue->push( CmdGenericPtr( pCmd ) );
 594
 595     return VLC_SUCCESS;
 596 }
 597
 598
 599 int VlcProc::onEqPreampChange( vlc_object_t *pObj, const char *pVariable,
 600                                vlc_value_t oldVal, vlc_value_t newVal,
 601                                void *pParam )
 602 {
 603     VlcProc *pThis = (VlcProc*)pParam;
 604     EqualizerPreamp *pVarPreamp = (EqualizerPreamp*)(pThis->m_cVarEqPreamp.get());
 605
 606     // Post a set preamp command
 607     CmdSetEqPreamp *pCmd = new CmdSetEqPreamp( pThis->getIntf(), *pVarPreamp,
 608                                               (newVal.f_float + 20.0) / 40.0 );
 609     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 610     pQueue->push( CmdGenericPtr( pCmd ) );
 611
 612     return VLC_SUCCESS;
 613 }
 614