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

   1 /*****************************************************************************
   2  * vlcproc.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 #include <vlc/aout.h>
  26 #include <vlc/vout.h>
  27 #include <aout_internal.h>
  28
  29 #include "vlcproc.hpp"
  30 #include "os_factory.hpp"
  31 #include "os_timer.hpp"
  32 #include "var_manager.hpp"
  33 #include "theme.hpp"
  34 #include "window_manager.hpp"
  35 #include "../commands/async_queue.hpp"
  36 #include "../commands/cmd_change_skin.hpp"
  37 #include "../commands/cmd_show_window.hpp"
  38 #include "../commands/cmd_quit.hpp"
  39 #include "../commands/cmd_resize.hpp"
  40 #include "../commands/cmd_vars.hpp"
  41 #include "../utils/var_bool.hpp"
  42 #include <sstream>
  43
  44
  45 VlcProc *VlcProc::instance( intf_thread_t *pIntf )
  46 {
  47     if( pIntf->p_sys->p_vlcProc == NULL )
  48     {
  49         pIntf->p_sys->p_vlcProc = new VlcProc( pIntf );
  50     }
  51
  52     return pIntf->p_sys->p_vlcProc;
  53 }
  54
  55
  56 void VlcProc::destroy( intf_thread_t *pIntf )
  57 {
  58     if( pIntf->p_sys->p_vlcProc )
  59     {
  60         delete pIntf->p_sys->p_vlcProc;
  61         pIntf->p_sys->p_vlcProc = NULL;
  62     }
  63 }
  64
  65
  66 VlcProc::VlcProc( intf_thread_t *pIntf ): SkinObject( pIntf ),
  67     m_varVoutSize( pIntf ), m_varEqBands( pIntf ),
  68     m_pVout( NULL ), m_pAout( NULL ), m_cmdManage( this )
  69 {
  70     // Create a timer to poll the status of the vlc
  71     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  72     m_pTimer = pOsFactory->createOSTimer( m_cmdManage );
  73     m_pTimer->start( 100, false );
  74
  75     // Create and register VLC variables
  76     VarManager *pVarManager = VarManager::instance( getIntf() );
  77
  78 #define REGISTER_VAR( var, type, name ) \
  79     var = VariablePtr( new type( getIntf() ) ); \
  80     pVarManager->registerVar( var, name );
  81     REGISTER_VAR( m_cPlaylist, Playlist, "playlist" )
  82     pVarManager->registerVar( getPlaylistVar().getPositionVarPtr(),
  83                               "playlist.slider" );
  84     REGISTER_VAR( m_cVarRandom, VarBoolImpl, "playlist.isRandom" )
  85     REGISTER_VAR( m_cVarLoop, VarBoolImpl, "playlist.isLoop" )
  86     REGISTER_VAR( m_cVarRepeat, VarBoolImpl, "playlist.isRepeat" )
  87     REGISTER_VAR( m_cPlaytree, Playtree, "playtree" )
  88     pVarManager->registerVar( getPlaytreeVar().getPositionVarPtr(),
  89                               "playtree.slider" );
  90     pVarManager->registerVar( m_cVarRandom, "playtree.isRandom" );
  91     pVarManager->registerVar( m_cVarLoop, "playtree.isLoop" );
  92     pVarManager->registerVar( m_cVarRepeat, "playtree.isRepeat" );
  93     REGISTER_VAR( m_cVarTime, StreamTime, "time" )
  94     REGISTER_VAR( m_cVarVolume, Volume, "volume" )
  95     REGISTER_VAR( m_cVarMute, VarBoolImpl, "vlc.isMute" )
  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     REGISTER_VAR( m_cVarSeekable, VarBoolImpl, "vlc.isSeekable" )
 100     REGISTER_VAR( m_cVarEqualizer, VarBoolImpl, "equalizer.isEnabled" )
 101 #undef REGISTER_VAR
 102     m_cVarStreamName = VariablePtr( new VarText( getIntf(), false ) );
 103     pVarManager->registerVar( m_cVarStreamName, "streamName" );
 104     m_cVarStreamURI = VariablePtr( new VarText( getIntf(), false ) );
 105     pVarManager->registerVar( m_cVarStreamURI, "streamURI" );
 106
 107     // Register the equalizer bands
 108     for( int i = 0; i < EqualizerBands::kNbBands; i++)
 109     {
 110         stringstream ss;
 111         ss << "equalizer.band(" << i << ")";
 112         pVarManager->registerVar( m_varEqBands.getBand( i ), ss.str() );
 113     }
 114
 115     // XXX WARNING XXX
 116     // The object variable callbacks are called from other VLC threads,
 117     // so they must put commands in the queue and NOT do anything else
 118     // (X11 calls are not reentrant)
 119
 120     // Called when the playlist changes
 121     var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
 122                      onIntfChange, this );
 123     // Called when a playlist item is added
 124     // TODO: properly handle item-append
 125     var_AddCallback( pIntf->p_sys->p_playlist, "item-append",
 126                      onIntfChange, this );
 127     // Called when a playlist item is deleted
 128     // TODO: properly handle item-deleted
 129     var_AddCallback( pIntf->p_sys->p_playlist, "item-deleted",
 130                      onIntfChange, this );
 131     // Called when the "interface shower" wants us to show the skin
 132     var_AddCallback( pIntf->p_sys->p_playlist, "intf-show",
 133                      onIntfShow, this );
 134     // Called when the current played item changes
 135     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-current",
 136                      onPlaylistChange, this );
 137     // Called when a playlist item changed
 138     var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
 139                      onItemChange, this );
 140     // Called when our skins2 demux wants us to load a new skin
 141     var_AddCallback( pIntf, "skin-to-load", onSkinToLoad, this );
 142
 143     // Callbacks for vout requests
 144     getIntf()->pf_request_window = &getWindow;
 145     getIntf()->pf_release_window = &releaseWindow;
 146     getIntf()->pf_control_window = &controlWindow;
 147
 148     getIntf()->p_sys->p_input = NULL;
 149 }
 150
 151
 152 VlcProc::~VlcProc()
 153 {
 154     m_pTimer->stop();
 155     delete( m_pTimer );
 156     if( getIntf()->p_sys->p_input )
 157     {
 158         vlc_object_release( getIntf()->p_sys->p_input );
 159     }
 160
 161     // Callbacks for vout requests
 162     getIntf()->pf_request_window = NULL;
 163     getIntf()->pf_release_window = NULL;
 164     getIntf()->pf_control_window = NULL;
 165
 166     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
 167                      onIntfChange, this );
 168     var_DelCallback( getIntf()->p_sys->p_playlist, "item-append",
 169                      onIntfChange, this );
 170     var_DelCallback( getIntf()->p_sys->p_playlist, "item-deleted",
 171                      onIntfChange, this );
 172     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-show",
 173                      onIntfShow, this );
 174     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-current",
 175                      onPlaylistChange, this );
 176     var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
 177                      onItemChange, this );
 178     var_DelCallback( getIntf(), "skin-to-load", onSkinToLoad, this );
 179 }
 180
 181
 182 void VlcProc::registerVoutWindow( void *pVoutWindow )
 183 {
 184     m_handleSet.insert( pVoutWindow );
 185     // Reparent the vout window
 186     if( m_pVout )
 187     {
 188         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 189             vout_Control( m_pVout, VOUT_CLOSE );
 190     }
 191 }
 192
 193
 194 void VlcProc::unregisterVoutWindow( void *pVoutWindow )
 195 {
 196     m_handleSet.erase( pVoutWindow );
 197 }
 198
 199
 200 void VlcProc::dropVout()
 201 {
 202     if( m_pVout )
 203     {
 204         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 205             vout_Control( m_pVout, VOUT_CLOSE );
 206         m_pVout = NULL;
 207     }
 208 }
 209
 210
 211 void VlcProc::manage()
 212 {
 213     // Did the user requested to quit vlc ?
 214     if( getIntf()->b_die || getIntf()->p_vlc->b_die )
 215     {
 216         CmdQuit *pCmd = new CmdQuit( getIntf() );
 217         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 218         pQueue->push( CmdGenericPtr( pCmd ) );
 219     }
 220
 221     // Get the VLC variables
 222     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 223     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 224     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 225     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 226     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 227     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 228     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 229     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 230
 231     // Refresh audio variables
 232     refreshAudio();
 233
 234    // Update the input
 235     if( getIntf()->p_sys->p_input == NULL )
 236     {
 237         getIntf()->p_sys->p_input = (input_thread_t *)vlc_object_find(
 238             getIntf(), VLC_OBJECT_INPUT, FIND_ANYWHERE );
 239     }
 240     else if( getIntf()->p_sys->p_input->b_dead )
 241     {
 242         vlc_object_release( getIntf()->p_sys->p_input );
 243         getIntf()->p_sys->p_input = NULL;
 244     }
 245
 246     input_thread_t *pInput = getIntf()->p_sys->p_input;
 247
 248     if( pInput && !pInput->b_die )
 249     {
 250         // Refresh time variables
 251         vlc_value_t pos;
 252         var_Get( pInput, "position", &pos );
 253         pTime->set( pos.f_float, false );
 254
 255         // Get the status of the playlist
 256         playlist_status_t status =
 257             getIntf()->p_sys->p_playlist->status.i_status;
 258
 259         pVarPlaying->set( status == PLAYLIST_RUNNING );
 260         pVarStopped->set( status == PLAYLIST_STOPPED );
 261         pVarPaused->set( status == PLAYLIST_PAUSED );
 262
 263         pVarSeekable->set( pos.f_float != 0.0 );
 264     }
 265     else
 266     {
 267         pVarPlaying->set( false );
 268         pVarPaused->set( false );
 269         pVarStopped->set( true );
 270         pVarSeekable->set( false );
 271         pTime->set( 0, false );
 272     }
 273
 274     // Refresh the random variable
 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     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 281     pVarLoop->set( val.b_bool != 0 );
 282
 283     // Refresh the repeat variable
 284     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 285     pVarRepeat->set( val.b_bool != 0 );
 286 }
 287
 288
 289 void VlcProc::CmdManage::execute()
 290 {
 291     // Just forward to VlcProc
 292     m_pParent->manage();
 293 }
 294
 295
 296 void VlcProc::refreshAudio()
 297 {
 298     char *pFilters = NULL;
 299
 300     // Check if the audio output has changed
 301     aout_instance_t *pAout = (aout_instance_t *)vlc_object_find( getIntf(),
 302             VLC_OBJECT_AOUT, FIND_ANYWHERE );
 303     if( pAout )
 304     {
 305         if( pAout != m_pAout )
 306         {
 307             // Register the equalizer callback
 308             if( !var_AddCallback( pAout, "equalizer-bands",
 309                                  onEqBandsChange, this ) )
 310             {
 311                 m_pAout = pAout;
 312                 //char * psz_bands = var_GetString( p_aout, "equalizer-bands" );
 313             }
 314         }
 315         // Get the audio filters
 316         pFilters = var_GetString( pAout, "audio-filter" );
 317         vlc_object_release( pAout );
 318     }
 319     else
 320     {
 321         // Get the audio filters
 322         pFilters = config_GetPsz( getIntf(), "audio-filter" );
 323     }
 324
 325     // Refresh sound volume
 326     audio_volume_t volume;
 327     aout_VolumeGet( getIntf(), &volume );
 328     Volume *pVolume = (Volume*)m_cVarVolume.get();
 329     pVolume->set( (double)volume * 2.0 / AOUT_VOLUME_MAX );
 330
 331     // Set the mute variable
 332     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 333     pVarMute->set( volume == 0 );
 334
 335     // Refresh the equalizer variable
 336     VarBoolImpl *pVarEqualizer = (VarBoolImpl*)m_cVarEqualizer.get();
 337     pVarEqualizer->set( pFilters && strstr( pFilters, "equalizer" ) );
 338 }
 339
 340
 341 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 342                            vlc_value_t oldVal, vlc_value_t newVal,
 343                            void *pParam )
 344 {
 345     VlcProc *pThis = (VlcProc*)pParam;
 346
 347     // Update the stream variable
 348     playlist_t *p_playlist = (playlist_t*)pObj;
 349     pThis->updateStreamName(p_playlist);
 350
 351     // Create a playlist notify command
 352     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 353     // Create a playtree notify command
 354     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 355
 356     // Push the command in the asynchronous command queue
 357     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 358     pQueue->push( CmdGenericPtr( pCmd ) );
 359     pQueue->push( CmdGenericPtr( pCmdTree ) );
 360
 361     return VLC_SUCCESS;
 362 }
 363
 364
 365 int VlcProc::onIntfShow( vlc_object_t *pObj, const char *pVariable,
 366                          vlc_value_t oldVal, vlc_value_t newVal,
 367                          void *pParam )
 368 {
 369     if (newVal.i_int)
 370     {
 371         VlcProc *pThis = (VlcProc*)pParam;
 372
 373         // Create a raise all command
 374         CmdRaiseAll *pCmd = new CmdRaiseAll( pThis->getIntf(),
 375             pThis->getIntf()->p_sys->p_theme->getWindowManager() );
 376
 377         // Push the command in the asynchronous command queue
 378         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 379         pQueue->push( CmdGenericPtr( pCmd ) );
 380     }
 381
 382     return VLC_SUCCESS;
 383 }
 384
 385
 386 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 387                            vlc_value_t oldVal, vlc_value_t newVal,
 388                            void *pParam )
 389 {
 390     VlcProc *pThis = (VlcProc*)pParam;
 391
 392     // Update the stream variable
 393     playlist_t *p_playlist = (playlist_t*)pObj;
 394     pThis->updateStreamName(p_playlist);
 395
 396     // Create a playlist notify command
 397     // TODO: selective update
 398     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 399     // Create a playtree notify command
 400     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 401                                                          newVal.i_int );
 402
 403     // Push the command in the asynchronous command queue
 404     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 405     pQueue->push( CmdGenericPtr( pCmd ) );
 406     pQueue->push( CmdGenericPtr( pCmdTree ), false );
 407
 408     return VLC_SUCCESS;
 409 }
 410
 411
 412 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 413                                vlc_value_t oldVal, vlc_value_t newVal,
 414                                void *pParam )
 415 {
 416     VlcProc *pThis = (VlcProc*)pParam;
 417
 418     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 419
 420     // Update the stream variable
 421     playlist_t *p_playlist = (playlist_t*)pObj;
 422     pThis->updateStreamName(p_playlist);
 423
 424     // Create a playlist notify command
 425     // TODO: selective update
 426     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 427     // Create a playtree notify command
 428     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 429
 430     // Push the command in the asynchronous command queue
 431     pQueue->push( CmdGenericPtr( pCmd ) );
 432     pQueue->push( CmdGenericPtr( pCmdTree ) );
 433
 434     return VLC_SUCCESS;
 435 }
 436
 437
 438 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 439                            vlc_value_t oldVal, vlc_value_t newVal,
 440                            void *pParam )
 441 {
 442     VlcProc *pThis = (VlcProc*)pParam;
 443
 444     // Create a playlist notify command
 445     CmdChangeSkin *pCmd =
 446         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 447
 448     // Push the command in the asynchronous command queue
 449     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 450     pQueue->push( CmdGenericPtr( pCmd ) );
 451
 452     return VLC_SUCCESS;
 453 }
 454
 455
 456 void VlcProc::updateStreamName( playlist_t *p_playlist )
 457 {
 458     if( p_playlist->p_input )
 459     {
 460         VarText &rStreamName = getStreamNameVar();
 461         VarText &rStreamURI = getStreamURIVar();
 462         // XXX: we should not need to access p_input->psz_source directly, a
 463         // getter should be provided by VLC core
 464         string name = p_playlist->p_input->input.p_item->psz_name;
 465         // XXX: This should be done in VLC core, not here...
 466         // Remove path information if any
 467         OSFactory *pFactory = OSFactory::instance( getIntf() );
 468         string::size_type pos = name.rfind( pFactory->getDirSeparator() );
 469         if( pos != string::npos )
 470         {
 471             name = name.substr( pos + 1, name.size() - pos + 1 );
 472         }
 473         UString srcName( getIntf(), name.c_str() );
 474         UString srcURI( getIntf(),
 475                          p_playlist->p_input->input.p_item->psz_uri );
 476
 477         // Create commands to update the stream variables
 478         CmdSetText *pCmd1 = new CmdSetText( getIntf(), rStreamName, srcName );
 479         CmdSetText *pCmd2 = new CmdSetText( getIntf(), rStreamURI, srcURI );
 480         // Push the commands in the asynchronous command queue
 481         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 482         pQueue->push( CmdGenericPtr( pCmd1 ), false );
 483         pQueue->push( CmdGenericPtr( pCmd2 ), false );
 484     }
 485 }
 486
 487
 488 void *VlcProc::getWindow( intf_thread_t *pIntf, vout_thread_t *pVout,
 489                           int *pXHint, int *pYHint,
 490                           unsigned int *pWidthHint,
 491                           unsigned int *pHeightHint )
 492 {
 493     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 494     pThis->m_pVout = pVout;
 495     if( pThis->m_handleSet.empty() )
 496     {
 497         return NULL;
 498     }
 499     else
 500     {
 501         // Get the window handle
 502         void *pWindow = *pThis->m_handleSet.begin();
 503         // Post a resize vout command
 504         CmdResizeVout *pCmd = new CmdResizeVout( pThis->getIntf(), pWindow,
 505                                                  *pWidthHint, *pHeightHint );
 506         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 507         pQueue->push( CmdGenericPtr( pCmd ) );
 508         return pWindow;
 509     }
 510 }
 511
 512
 513 void VlcProc::releaseWindow( intf_thread_t *pIntf, void *pWindow )
 514 {
 515     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 516     pThis->m_pVout = NULL;
 517 }
 518
 519
 520 int VlcProc::controlWindow( intf_thread_t *pIntf, void *pWindow,
 521                             int query, va_list args )
 522 {
 523     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 524
 525     switch( query )
 526     {
 527         case VOUT_SET_SIZE:
 528         {
 529             if( pThis->m_pVout )
 530             {
 531                 unsigned int i_width  = va_arg( args, unsigned int );
 532                 unsigned int i_height = va_arg( args, unsigned int );
 533                 if( !i_width ) i_width = pThis->m_pVout->i_window_width;
 534                 if( !i_height ) i_height = pThis->m_pVout->i_window_height;
 535
 536                 // Post a resize vout command
 537                 CmdResizeVout *pCmd =
 538                     new CmdResizeVout( pThis->getIntf(), pWindow,
 539                                        i_width, i_height );
 540                 AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 541                 pQueue->push( CmdGenericPtr( pCmd ) );
 542             }
 543         }
 544
 545         default:
 546             msg_Dbg( pIntf, "control query not supported" );
 547             break;
 548     }
 549
 550     return VLC_SUCCESS;
 551 }
 552
 553
 554 int VlcProc::onEqBandsChange( vlc_object_t *pObj, const char *pVariable,
 555                               vlc_value_t oldVal, vlc_value_t newVal,
 556                               void *pParam )
 557 {
 558     VlcProc *pThis = (VlcProc*)pParam;
 559
 560     // Post a set equalizer bands command
 561     CmdSetEqBands *pCmd = new CmdSetEqBands( pThis->getIntf(),
 562                                              pThis->m_varEqBands,
 563                                              newVal.psz_string );
 564     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 565     pQueue->push( CmdGenericPtr( pCmd ) );
 566
 567     return VLC_SUCCESS;
 568 }
 569