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 #include <vlc_window.h>
  34
  35 #include "vlcproc.hpp"
  36 #include "os_factory.hpp"
  37 #include "os_timer.hpp"
  38 #include "var_manager.hpp"
  39 #include "theme.hpp"
  40 #include "window_manager.hpp"
  41 #include "../commands/async_queue.hpp"
  42 #include "../commands/cmd_change_skin.hpp"
  43 #include "../commands/cmd_show_window.hpp"
  44 #include "../commands/cmd_quit.hpp"
  45 #include "../commands/cmd_resize.hpp"
  46 #include "../commands/cmd_vars.hpp"
  47 #include "../commands/cmd_dialogs.hpp"
  48 #include "../commands/cmd_update_item.hpp"
  49 #include "../utils/var_bool.hpp"
  50 #include <sstream>
  51
  52
  53 VlcProc *VlcProc::instance( intf_thread_t *pIntf )
  54 {
  55     if( pIntf->p_sys->p_vlcProc == NULL )
  56     {
  57         pIntf->p_sys->p_vlcProc = new VlcProc( pIntf );
  58     }
  59
  60     return pIntf->p_sys->p_vlcProc;
  61 }
  62
  63
  64 void VlcProc::destroy( intf_thread_t *pIntf )
  65 {
  66     if( pIntf->p_sys->p_vlcProc )
  67     {
  68         delete pIntf->p_sys->p_vlcProc;
  69         pIntf->p_sys->p_vlcProc = NULL;
  70     }
  71 }
  72
  73
  74 VlcProc::VlcProc( intf_thread_t *pIntf ): SkinObject( pIntf ),
  75     m_varVoutSize( pIntf ), m_varEqBands( pIntf ),
  76     m_pVout( NULL ), m_pAout( NULL ), m_cmdManage( this )
  77 {
  78     // Create a timer to poll the status of the vlc
  79     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  80     m_pTimer = pOsFactory->createOSTimer( m_cmdManage );
  81     m_pTimer->start( 100, false );
  82
  83     // Create and register VLC variables
  84     VarManager *pVarManager = VarManager::instance( getIntf() );
  85
  86 #define REGISTER_VAR( var, type, name ) \
  87     var = VariablePtr( new type( getIntf() ) ); \
  88     pVarManager->registerVar( var, name );
  89     REGISTER_VAR( m_cVarRandom, VarBoolImpl, "playlist.isRandom" )
  90     REGISTER_VAR( m_cVarLoop, VarBoolImpl, "playlist.isLoop" )
  91     REGISTER_VAR( m_cVarRepeat, VarBoolImpl, "playlist.isRepeat" )
  92     REGISTER_VAR( m_cPlaytree, Playtree, "playtree" )
  93     pVarManager->registerVar( getPlaytreeVar().getPositionVarPtr(),
  94                               "playtree.slider" );
  95     pVarManager->registerVar( m_cVarRandom, "playtree.isRandom" );
  96     pVarManager->registerVar( m_cVarLoop, "playtree.isLoop" );
  97
  98     REGISTER_VAR( m_cVarPlaying, VarBoolImpl, "vlc.isPlaying" )
  99     REGISTER_VAR( m_cVarStopped, VarBoolImpl, "vlc.isStopped" )
 100     REGISTER_VAR( m_cVarPaused, VarBoolImpl, "vlc.isPaused" )
 101
 102     /* Input variables */
 103     pVarManager->registerVar( m_cVarRepeat, "playtree.isRepeat" );
 104     REGISTER_VAR( m_cVarTime, StreamTime, "time" )
 105     REGISTER_VAR( m_cVarSeekable, VarBoolImpl, "vlc.isSeekable" )
 106     REGISTER_VAR( m_cVarDvdActive, VarBoolImpl, "dvd.isActive" )
 107
 108     /* Vout variables */
 109     REGISTER_VAR( m_cVarFullscreen, VarBoolImpl, "vlc.isFullscreen" )
 110     REGISTER_VAR( m_cVarHasVout, VarBoolImpl, "vlc.hasVout" )
 111
 112     /* Aout variables */
 113     REGISTER_VAR( m_cVarHasAudio, VarBoolImpl, "vlc.hasAudio" )
 114     REGISTER_VAR( m_cVarVolume, Volume, "volume" )
 115     REGISTER_VAR( m_cVarMute, VarBoolImpl, "vlc.isMute" )
 116     REGISTER_VAR( m_cVarEqualizer, VarBoolImpl, "equalizer.isEnabled" )
 117     REGISTER_VAR( m_cVarEqPreamp, EqualizerPreamp, "equalizer.preamp" )
 118
 119 #undef REGISTER_VAR
 120     m_cVarStreamName = VariablePtr( new VarText( getIntf(), false ) );
 121     pVarManager->registerVar( m_cVarStreamName, "streamName" );
 122     m_cVarStreamURI = VariablePtr( new VarText( getIntf(), false ) );
 123     pVarManager->registerVar( m_cVarStreamURI, "streamURI" );
 124     m_cVarStreamBitRate = VariablePtr( new VarText( getIntf(), false ) );
 125     pVarManager->registerVar( m_cVarStreamBitRate, "bitrate" );
 126     m_cVarStreamSampleRate = VariablePtr( new VarText( getIntf(), false ) );
 127     pVarManager->registerVar( m_cVarStreamSampleRate, "samplerate" );
 128
 129     // Register the equalizer bands
 130     for( int i = 0; i < EqualizerBands::kNbBands; i++)
 131     {
 132         stringstream ss;
 133         ss << "equalizer.band(" << i << ")";
 134         pVarManager->registerVar( m_varEqBands.getBand( i ), ss.str() );
 135     }
 136
 137     // XXX WARNING XXX
 138     // The object variable callbacks are called from other VLC threads,
 139     // so they must put commands in the queue and NOT do anything else
 140     // (X11 calls are not reentrant)
 141
 142     // Called when the playlist changes
 143     var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
 144                      onIntfChange, this );
 145     // Called when a playlist item is added
 146     var_AddCallback( pIntf->p_sys->p_playlist, "item-append",
 147                      onItemAppend, this );
 148     // Called when a playlist item is deleted
 149     // TODO: properly handle item-deleted
 150     var_AddCallback( pIntf->p_sys->p_playlist, "item-deleted",
 151                      onItemDelete, this );
 152     // Called when the "interface shower" wants us to show the skin
 153     var_AddCallback( pIntf->p_libvlc, "intf-show",
 154                      onIntfShow, this );
 155     // Called when the current played item changes
 156     var_AddCallback( pIntf->p_sys->p_playlist, "item-current",
 157                      onPlaylistChange, this );
 158     // Called when a playlist item changed
 159     var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
 160                      onItemChange, this );
 161     // Called when our skins2 demux wants us to load a new skin
 162     var_AddCallback( pIntf, "skin-to-load", onSkinToLoad, this );
 163
 164     // Called when we have an interaction dialog to display
 165     var_Create( pIntf, "interaction", VLC_VAR_ADDRESS );
 166     var_AddCallback( pIntf, "interaction", onInteraction, this );
 167     interaction_Register( pIntf );
 168
 169     getIntf()->p_sys->p_input = NULL;
 170 }
 171
 172
 173 VlcProc::~VlcProc()
 174 {
 175     m_pTimer->stop();
 176     delete( m_pTimer );
 177     if( getIntf()->p_sys->p_input )
 178     {
 179         vlc_object_release( getIntf()->p_sys->p_input );
 180     }
 181
 182     interaction_Unregister( getIntf() );
 183
 184     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
 185                      onIntfChange, this );
 186     var_DelCallback( getIntf()->p_sys->p_playlist, "item-append",
 187                      onItemAppend, this );
 188     var_DelCallback( getIntf()->p_sys->p_playlist, "item-deleted",
 189                      onItemDelete, this );
 190     var_DelCallback( getIntf()->p_libvlc, "intf-show",
 191                      onIntfShow, this );
 192     var_DelCallback( getIntf()->p_sys->p_playlist, "item-current",
 193                      onPlaylistChange, this );
 194     var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
 195                      onItemChange, this );
 196     var_DelCallback( getIntf(), "skin-to-load", onSkinToLoad, this );
 197 }
 198
 199
 200 void VlcProc::registerVoutWindow( void *pVoutWindow )
 201 {
 202     m_handleSet.insert( pVoutWindow );
 203     // Reparent the vout window
 204     if( m_pVout )
 205     {
 206         vout_Control( m_pVout, VOUT_REPARENT, 0 );
 207     }
 208 }
 209
 210
 211 void VlcProc::unregisterVoutWindow( void *pVoutWindow )
 212 {
 213     m_handleSet.erase( pVoutWindow );
 214 }
 215
 216
 217 void VlcProc::dropVout()
 218 {
 219     if( m_pVout )
 220     {
 221         vout_Control( m_pVout, VOUT_REPARENT, 0 );
 222         m_pVout = NULL;
 223     }
 224 }
 225
 226
 227 void VlcProc::manage()
 228 {
 229     // Did the user request to quit vlc ?
 230     if( !vlc_object_alive( getIntf() ) )
 231     {
 232         CmdQuit *pCmd = new CmdQuit( getIntf() );
 233         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 234         pQueue->push( CmdGenericPtr( pCmd ) );
 235     }
 236
 237     refreshPlaylist();
 238     refreshAudio();
 239     refreshInput();
 240 }
 241 void VlcProc::CmdManage::execute()
 242 {
 243     // Just forward to VlcProc
 244     m_pParent->manage();
 245 }
 246
 247 void VlcProc::refreshAudio()
 248 {
 249     char *pFilters;
 250
 251     // Check if the audio output has changed
 252     aout_instance_t *pAout = (aout_instance_t *)vlc_object_find( getIntf(),
 253             VLC_OBJECT_AOUT, FIND_ANYWHERE );
 254     if( pAout )
 255     {
 256         if( pAout != m_pAout )
 257         {
 258             // Register the equalizer callbacks
 259             if( !var_AddCallback( pAout, "equalizer-bands",
 260                                   onEqBandsChange, this ) &&
 261                 !var_AddCallback( pAout, "equalizer-preamp",
 262                                   onEqPreampChange, this ) )
 263             {
 264                 m_pAout = pAout;
 265                 //char * psz_bands = var_GetString( p_aout, "equalizer-bands" );
 266             }
 267         }
 268         // Get the audio filters
 269         pFilters = var_GetNonEmptyString( pAout, "audio-filter" );
 270         vlc_object_release( pAout );
 271     }
 272     else
 273     {
 274         // Get the audio filters
 275         pFilters = config_GetPsz( getIntf(), "audio-filter" );
 276     }
 277
 278     // Refresh sound volume
 279     audio_volume_t volume;
 280     aout_VolumeGet( getIntf(), &volume );
 281     Volume *pVolume = (Volume*)m_cVarVolume.get();
 282     pVolume->set( (double)volume * 2.0 / AOUT_VOLUME_MAX );
 283
 284     // Set the mute variable
 285     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 286     pVarMute->set( volume == 0 );
 287
 288     // Refresh the equalizer variable
 289     VarBoolImpl *pVarEqualizer = (VarBoolImpl*)m_cVarEqualizer.get();
 290     pVarEqualizer->set( pFilters && strstr( pFilters, "equalizer" ) );
 291     free( pFilters );
 292 }
 293
 294 void VlcProc::refreshPlaylist()
 295 {
 296     // Refresh the random variable
 297     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 298     vlc_value_t val;
 299     var_Get( getIntf()->p_sys->p_playlist, "random", &val );
 300     pVarRandom->set( val.b_bool != 0 );
 301
 302     // Refresh the loop variable
 303     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 304     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 305     pVarLoop->set( val.b_bool != 0 );
 306
 307     // Refresh the repeat variable
 308     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 309     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 310     pVarRepeat->set( val.b_bool != 0 );
 311 }
 312
 313 void VlcProc::refreshInput()
 314 {
 315     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 316     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 317     VarBoolImpl *pVarDvdActive = (VarBoolImpl*)m_cVarDvdActive.get();
 318     VarBoolImpl *pVarHasVout = (VarBoolImpl*)m_cVarHasVout.get();
 319     VarBoolImpl *pVarHasAudio = (VarBoolImpl*)m_cVarHasAudio.get();
 320     VarText *pBitrate = (VarText*)m_cVarStreamBitRate.get();
 321     VarText *pSampleRate = (VarText*)m_cVarStreamSampleRate.get();
 322     VarBoolImpl *pVarFullscreen = (VarBoolImpl*)m_cVarFullscreen.get();
 323     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 324     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 325     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 326
 327     // Update the input
 328     if( getIntf()->p_sys->p_input == NULL )
 329     {
 330         getIntf()->p_sys->p_input =
 331             playlist_CurrentInput( getIntf()->p_sys->p_playlist );
 332     }
 333     else if( getIntf()->p_sys->p_input->b_dead )
 334     {
 335         vlc_object_release( getIntf()->p_sys->p_input );
 336         getIntf()->p_sys->p_input = NULL;
 337     }
 338
 339     input_thread_t *pInput = getIntf()->p_sys->p_input;
 340
 341     if( pInput && vlc_object_alive (pInput) )
 342     {
 343         // Refresh time variables
 344         vlc_value_t pos;
 345         var_Get( pInput, "position", &pos );
 346         pTime->set( pos.f_float, false );
 347         pVarSeekable->set( pos.f_float != 0.0 );
 348
 349         // Refresh DVD detection
 350         vlc_value_t chapters_count;
 351         var_Change( pInput, "chapter", VLC_VAR_CHOICESCOUNT,
 352                         &chapters_count, NULL );
 353         pVarDvdActive->set( chapters_count.i_int > 0 );
 354
 355         // Get the input bitrate
 356         int bitrate = var_GetInteger( pInput, "bit-rate" ) / 1000;
 357         pBitrate->set( UString::fromInt( getIntf(), bitrate ) );
 358
 359         // Get the audio sample rate
 360         int sampleRate = var_GetInteger( pInput, "sample-rate" ) / 1000;
 361         pSampleRate->set( UString::fromInt( getIntf(), sampleRate ) );
 362
 363         // Do we have audio
 364         vlc_value_t audio_es;
 365         var_Change( pInput, "audio-es", VLC_VAR_CHOICESCOUNT,
 366                         &audio_es, NULL );
 367         pVarHasAudio->set( audio_es.i_int > 0 );
 368
 369         // Refresh fullscreen status
 370         vout_thread_t *pVout = input_GetVout( pInput );
 371         pVarHasVout->set( pVout != NULL );
 372         if( pVout )
 373         {
 374             pVarFullscreen->set( pVout->b_fullscreen );
 375             vlc_object_release( pVout );
 376         }
 377
 378         // Refresh play/pause status
 379         int state = var_GetInteger( pInput, "state" );
 380         pVarStopped->set( false );
 381         pVarPlaying->set( state != PAUSE_S );
 382         pVarPaused->set( state == PAUSE_S );
 383     }
 384     else
 385     {
 386         pVarSeekable->set( false );
 387         pVarDvdActive->set( false );
 388         pTime->set( 0, false );
 389         pVarFullscreen->set( false );
 390         pVarHasAudio->set( false );
 391         pVarHasVout->set( false );
 392         pVarStopped->set( true );
 393         pVarPlaying->set( false );
 394         pVarPaused->set( false );
 395     }
 396 }
 397
 398 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 399                            vlc_value_t oldVal, vlc_value_t newVal,
 400                            void *pParam )
 401 {
 402     VlcProc *pThis = (VlcProc*)pParam;
 403
 404     // Update the stream variable
 405     pThis->updateStreamName();
 406
 407     // Create a playtree notify command (for new style playtree)
 408     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 409
 410     // Push the command in the asynchronous command queue
 411     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 412     pQueue->push( CmdGenericPtr( pCmdTree ) );
 413
 414     return VLC_SUCCESS;
 415 }
 416
 417
 418 int VlcProc::onIntfShow( vlc_object_t *pObj, const char *pVariable,
 419                          vlc_value_t oldVal, vlc_value_t newVal,
 420                          void *pParam )
 421 {
 422     if (newVal.b_bool)
 423     {
 424         VlcProc *pThis = (VlcProc*)pParam;
 425
 426         // Create a raise all command
 427         CmdRaiseAll *pCmd = new CmdRaiseAll( pThis->getIntf(),
 428             pThis->getIntf()->p_sys->p_theme->getWindowManager() );
 429
 430         // Push the command in the asynchronous command queue
 431         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 432         pQueue->push( CmdGenericPtr( pCmd ) );
 433     }
 434
 435     return VLC_SUCCESS;
 436 }
 437
 438
 439 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 440                            vlc_value_t oldVal, vlc_value_t newVal,
 441                            void *pParam )
 442 {
 443     VlcProc *pThis = (VlcProc*)pParam;
 444
 445     // Update the stream variable
 446     pThis->updateStreamName();
 447
 448     // Create a playtree notify command
 449     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 450                                                          newVal.i_int );
 451
 452     // Push the command in the asynchronous command queue
 453     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 454     pQueue->push( CmdGenericPtr( pCmdTree ), true );
 455
 456     return VLC_SUCCESS;
 457 }
 458
 459 int VlcProc::onItemAppend( vlc_object_t *pObj, const char *pVariable,
 460                            vlc_value_t oldVal, vlc_value_t newVal,
 461                            void *pParam )
 462 {
 463     VlcProc *pThis = (VlcProc*)pParam;
 464
 465     playlist_add_t *p_add = (playlist_add_t*)malloc( sizeof(
 466                                                 playlist_add_t ) ) ;
 467
 468     memcpy( p_add, newVal.p_address, sizeof( playlist_add_t ) ) ;
 469
 470     CmdGenericPtr ptrTree;
 471     CmdPlaytreeAppend *pCmdTree = new CmdPlaytreeAppend( pThis->getIntf(),
 472                                                              p_add );
 473     ptrTree = CmdGenericPtr( pCmdTree );
 474
 475     // Push the command in the asynchronous command queue
 476     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 477     pQueue->push( ptrTree , false );
 478
 479     return VLC_SUCCESS;
 480 }
 481
 482 int VlcProc::onItemDelete( vlc_object_t *pObj, const char *pVariable,
 483                            vlc_value_t oldVal, vlc_value_t newVal,
 484                            void *pParam )
 485 {
 486     VlcProc *pThis = (VlcProc*)pParam;
 487
 488     int i_id = newVal.i_int;
 489
 490     CmdGenericPtr ptrTree;
 491     CmdPlaytreeDelete *pCmdTree = new CmdPlaytreeDelete( pThis->getIntf(),
 492                                                          i_id);
 493     ptrTree = CmdGenericPtr( pCmdTree );
 494
 495     // Push the command in the asynchronous command queue
 496     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 497     pQueue->push( ptrTree , false );
 498
 499     return VLC_SUCCESS;
 500 }
 501
 502
 503 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 504                                vlc_value_t oldVal, vlc_value_t newVal,
 505                                void *pParam )
 506 {
 507     VlcProc *pThis = (VlcProc*)pParam;
 508
 509     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 510
 511     // Update the stream variable
 512     pThis->updateStreamName();
 513
 514     // Create two playtree notify commands: one for old item, one for new
 515     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 516                                                          oldVal.i_int );
 517     pQueue->push( CmdGenericPtr( pCmdTree ) , true );
 518     pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(), newVal.i_int );
 519     pQueue->push( CmdGenericPtr( pCmdTree ) , true );
 520
 521     return VLC_SUCCESS;
 522 }
 523
 524
 525 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 526                            vlc_value_t oldVal, vlc_value_t newVal,
 527                            void *pParam )
 528 {
 529     VlcProc *pThis = (VlcProc*)pParam;
 530
 531     // Create a playlist notify command
 532     CmdChangeSkin *pCmd =
 533         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 534
 535     // Push the command in the asynchronous command queue
 536     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 537     pQueue->push( CmdGenericPtr( pCmd ) );
 538
 539     return VLC_SUCCESS;
 540 }
 541
 542 int VlcProc::onInteraction( vlc_object_t *pObj, const char *pVariable,
 543                             vlc_value_t oldVal, vlc_value_t newVal,
 544                             void *pParam )
 545 {
 546     VlcProc *pThis = (VlcProc*)pParam;
 547     interaction_dialog_t *p_dialog = (interaction_dialog_t *)(newVal.p_address);
 548
 549     CmdInteraction *pCmd = new CmdInteraction( pThis->getIntf(), p_dialog );
 550     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 551     pQueue->push( CmdGenericPtr( pCmd ) );
 552     return VLC_SUCCESS;
 553 }
 554
 555
 556 void VlcProc::updateStreamName()
 557 {
 558     // Create a update item command
 559     CmdUpdateItem *pCmdItem = new CmdUpdateItem( getIntf(), getStreamNameVar(), getStreamURIVar() );
 560
 561     // Push the command in the asynchronous command queue
 562     AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 563     pQueue->push( CmdGenericPtr( pCmdItem ) );
 564 }
 565
 566 void *VlcProc::getWindow( intf_thread_t *pIntf, vout_thread_t *pVout,
 567                           int *pXHint, int *pYHint,
 568                           unsigned int *pWidthHint,
 569                           unsigned int *pHeightHint )
 570 {
 571     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 572     if( pThis->m_handleSet.empty() )
 573     {
 574         return NULL;
 575     }
 576     else
 577     {
 578         pThis->m_pVout = pVout;
 579         // Get the window handle
 580         void *pWindow = *pThis->m_handleSet.begin();
 581         // Post a resize vout command
 582         CmdResizeVout *pCmd = new CmdResizeVout( pThis->getIntf(), pWindow,
 583                                                  *pWidthHint, *pHeightHint );
 584         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 585         pQueue->push( CmdGenericPtr( pCmd ) );
 586         return pWindow;
 587     }
 588 }
 589
 590
 591 void VlcProc::releaseWindow( intf_thread_t *pIntf, void *pWindow )
 592 {
 593     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 594     pThis->m_pVout = NULL;
 595 }
 596
 597
 598 int VlcProc::controlWindow( struct vout_window_t *pWnd,
 599                             int query, va_list args )
 600 {
 601     intf_thread_t *pIntf = (intf_thread_t *)pWnd->p_private;
 602     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 603
 604     switch( query )
 605     {
 606         case VOUT_SET_SIZE:
 607         {
 608             if( pThis->m_pVout )
 609             {
 610                 unsigned int i_width  = va_arg( args, unsigned int );
 611                 unsigned int i_height = va_arg( args, unsigned int );
 612                 if( !i_width ) i_width = pThis->m_pVout->i_window_width;
 613                 if( !i_height ) i_height = pThis->m_pVout->i_window_height;
 614
 615                 // Post a resize vout command
 616                 CmdResizeVout *pCmd =
 617                     new CmdResizeVout( pThis->getIntf(), pWnd->handle.hwnd,
 618                                        i_width, i_height );
 619                 AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 620                 pQueue->push( CmdGenericPtr( pCmd ) );
 621             }
 622         }
 623
 624         default:
 625             msg_Dbg( pWnd, "control query not supported" );
 626             break;
 627     }
 628
 629     return VLC_SUCCESS;
 630 }
 631
 632
 633 int VlcProc::onEqBandsChange( vlc_object_t *pObj, const char *pVariable,
 634                               vlc_value_t oldVal, vlc_value_t newVal,
 635                               void *pParam )
 636 {
 637     VlcProc *pThis = (VlcProc*)pParam;
 638
 639     // Post a set equalizer bands command
 640     CmdSetEqBands *pCmd = new CmdSetEqBands( pThis->getIntf(),
 641                                              pThis->m_varEqBands,
 642                                              newVal.psz_string );
 643     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 644     pQueue->push( CmdGenericPtr( pCmd ) );
 645
 646     return VLC_SUCCESS;
 647 }
 648
 649
 650 int VlcProc::onEqPreampChange( vlc_object_t *pObj, const char *pVariable,
 651                                vlc_value_t oldVal, vlc_value_t newVal,
 652                                void *pParam )
 653 {
 654     VlcProc *pThis = (VlcProc*)pParam;
 655     EqualizerPreamp *pVarPreamp = (EqualizerPreamp*)(pThis->m_cVarEqPreamp.get());
 656
 657     // Post a set preamp command
 658     CmdSetEqPreamp *pCmd = new CmdSetEqPreamp( pThis->getIntf(), *pVarPreamp,
 659                                               (newVal.f_float + 20.0) / 40.0 );
 660     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 661     pQueue->push( CmdGenericPtr( pCmd ) );
 662
 663     return VLC_SUCCESS;
 664 }
 665