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 ), m_pVout( NULL ),
  68     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 #undef REGISTER_VAR
 101     m_cVarStreamName = VariablePtr( new VarText( getIntf(), false ) );
 102     pVarManager->registerVar( m_cVarStreamName, "streamName" );
 103     m_cVarStreamURI = VariablePtr( new VarText( getIntf(), false ) );
 104     pVarManager->registerVar( m_cVarStreamURI, "streamURI" );
 105
 106     // Register the equalizer bands
 107     for( int i = 0; i < EqualizerBands::kNbBands; i++)
 108     {
 109         stringstream ss;
 110         ss << "equalizer.band(" << i << ")";
 111         pVarManager->registerVar( m_varEqBands.getBand( i ), ss.str() );
 112     }
 113
 114     // XXX WARNING XXX
 115     // The object variable callbacks are called from other VLC threads,
 116     // so they must put commands in the queue and NOT do anything else
 117     // (X11 calls are not reentrant)
 118
 119     // Called when the playlist changes
 120     var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
 121                      onIntfChange, this );
 122     // Called when a playlist item is added
 123     // TODO: properly handle item-append
 124     var_AddCallback( pIntf->p_sys->p_playlist, "item-append",
 125                      onIntfChange, this );
 126     // Called when a playlist item is deleted
 127     // TODO: properly handle item-deleted
 128     var_AddCallback( pIntf->p_sys->p_playlist, "item-deleted",
 129                      onIntfChange, this );
 130     // Called when the "interface shower" wants us to show the skin
 131     var_AddCallback( pIntf->p_sys->p_playlist, "intf-show",
 132                      onIntfShow, this );
 133     // Called when the current played item changes
 134     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-current",
 135                      onPlaylistChange, this );
 136     // Called when a playlist item changed
 137     var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
 138                      onItemChange, this );
 139     // Called when our skins2 demux wants us to load a new skin
 140     var_AddCallback( pIntf, "skin-to-load", onSkinToLoad, this );
 141
 142     // Callbacks for vout requests
 143     getIntf()->pf_request_window = &getWindow;
 144     getIntf()->pf_release_window = &releaseWindow;
 145     getIntf()->pf_control_window = &controlWindow;
 146
 147     getIntf()->p_sys->p_input = NULL;
 148 }
 149
 150
 151 VlcProc::~VlcProc()
 152 {
 153     m_pTimer->stop();
 154     delete( m_pTimer );
 155     if( getIntf()->p_sys->p_input )
 156     {
 157         vlc_object_release( getIntf()->p_sys->p_input );
 158     }
 159
 160     // Callbacks for vout requests
 161     getIntf()->pf_request_window = NULL;
 162     getIntf()->pf_release_window = NULL;
 163     getIntf()->pf_control_window = NULL;
 164
 165     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
 166                      onIntfChange, this );
 167     var_DelCallback( getIntf()->p_sys->p_playlist, "item-append",
 168                      onIntfChange, this );
 169     var_DelCallback( getIntf()->p_sys->p_playlist, "item-deleted",
 170                      onIntfChange, this );
 171     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-show",
 172                      onIntfShow, this );
 173     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-current",
 174                      onPlaylistChange, this );
 175     var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
 176                      onItemChange, this );
 177     var_DelCallback( getIntf(), "skin-to-load", onSkinToLoad, this );
 178 }
 179
 180
 181 void VlcProc::registerVoutWindow( void *pVoutWindow )
 182 {
 183     m_handleSet.insert( pVoutWindow );
 184     // Reparent the vout window
 185     if( m_pVout )
 186     {
 187         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 188             vout_Control( m_pVout, VOUT_CLOSE );
 189     }
 190 }
 191
 192
 193 void VlcProc::unregisterVoutWindow( void *pVoutWindow )
 194 {
 195     m_handleSet.erase( pVoutWindow );
 196 }
 197
 198
 199 void VlcProc::dropVout()
 200 {
 201     if( m_pVout )
 202     {
 203         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 204             vout_Control( m_pVout, VOUT_CLOSE );
 205         m_pVout = NULL;
 206     }
 207 }
 208
 209
 210 void VlcProc::manage()
 211 {
 212     // Did the user requested to quit vlc ?
 213     if( getIntf()->b_die || getIntf()->p_vlc->b_die )
 214     {
 215         CmdQuit *pCmd = new CmdQuit( getIntf() );
 216         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 217         pQueue->push( CmdGenericPtr( pCmd ) );
 218     }
 219
 220     // Get the VLC variables
 221     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 222     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 223     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 224     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 225     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 226     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 227     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 228     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 229
 230     // Refresh audio variables
 231     refreshAudio();
 232
 233    // Update the input
 234     if( getIntf()->p_sys->p_input == NULL )
 235     {
 236         getIntf()->p_sys->p_input = (input_thread_t *)vlc_object_find(
 237             getIntf(), VLC_OBJECT_INPUT, FIND_ANYWHERE );
 238     }
 239     else if( getIntf()->p_sys->p_input->b_dead )
 240     {
 241         vlc_object_release( getIntf()->p_sys->p_input );
 242         getIntf()->p_sys->p_input = NULL;
 243     }
 244
 245     input_thread_t *pInput = getIntf()->p_sys->p_input;
 246
 247     if( pInput && !pInput->b_die )
 248     {
 249         // Refresh time variables
 250         vlc_value_t pos;
 251         var_Get( pInput, "position", &pos );
 252         pTime->set( pos.f_float, false );
 253
 254         // Get the status of the playlist
 255         playlist_status_t status =
 256             getIntf()->p_sys->p_playlist->status.i_status;
 257
 258         pVarPlaying->set( status == PLAYLIST_RUNNING );
 259         pVarStopped->set( status == PLAYLIST_STOPPED );
 260         pVarPaused->set( status == PLAYLIST_PAUSED );
 261
 262         pVarSeekable->set( pos.f_float != 0.0 );
 263     }
 264     else
 265     {
 266         pVarPlaying->set( false );
 267         pVarPaused->set( false );
 268         pVarStopped->set( true );
 269         pVarSeekable->set( false );
 270         pTime->set( 0, false );
 271     }
 272
 273     // Refresh the random variable
 274     vlc_value_t val;
 275     var_Get( getIntf()->p_sys->p_playlist, "random", &val );
 276     pVarRandom->set( val.b_bool != 0 );
 277
 278     // Refresh the loop variable
 279     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 280     pVarLoop->set( val.b_bool != 0 );
 281
 282     // Refresh the repeat variable
 283     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 284     pVarRepeat->set( val.b_bool != 0 );
 285 }
 286
 287
 288 void VlcProc::CmdManage::execute()
 289 {
 290     // Just forward to VlcProc
 291     m_pParent->manage();
 292 }
 293
 294
 295 void VlcProc::refreshAudio()
 296 {
 297     // Check if the audio output has changed
 298     aout_instance_t *pAout = (aout_instance_t *)vlc_object_find( getIntf(),
 299             VLC_OBJECT_AOUT, FIND_ANYWHERE );
 300     if( pAout != NULL )
 301     {
 302         if( pAout != m_pAout )
 303         {
 304             // Register the equalizer callback
 305             if( !var_AddCallback( pAout, "equalizer-bands",
 306                                  onEqBandsChange, this ) )
 307             {
 308                 m_pAout = pAout;
 309
 310                 //char * psz_bands = var_GetString( p_aout, "equalizer-bands" );
 311             }
 312         }
 313         vlc_object_release( pAout );
 314     }
 315
 316     // Refresh sound volume
 317     audio_volume_t volume;
 318     aout_VolumeGet( getIntf(), &volume );
 319     Volume *pVolume = (Volume*)m_cVarVolume.get();
 320     pVolume->set( (double)volume * 2.0 / AOUT_VOLUME_MAX );
 321
 322     // Set the mute variable
 323     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 324     pVarMute->set( volume == 0 );
 325 }
 326
 327
 328 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 329                            vlc_value_t oldVal, vlc_value_t newVal,
 330                            void *pParam )
 331 {
 332     VlcProc *pThis = (VlcProc*)pParam;
 333
 334     // Update the stream variable
 335     playlist_t *p_playlist = (playlist_t*)pObj;
 336     pThis->updateStreamName(p_playlist);
 337
 338     // Create a playlist notify command
 339     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 340     // Create a playtree notify command
 341     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 342
 343     // Push the command in the asynchronous command queue
 344     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 345     pQueue->push( CmdGenericPtr( pCmd ) );
 346     pQueue->push( CmdGenericPtr( pCmdTree ) );
 347
 348     return VLC_SUCCESS;
 349 }
 350
 351
 352 int VlcProc::onIntfShow( vlc_object_t *pObj, const char *pVariable,
 353                          vlc_value_t oldVal, vlc_value_t newVal,
 354                          void *pParam )
 355 {
 356     if (newVal.i_int)
 357     {
 358         VlcProc *pThis = (VlcProc*)pParam;
 359
 360         // Create a raise all command
 361         CmdRaiseAll *pCmd = new CmdRaiseAll( pThis->getIntf(),
 362             pThis->getIntf()->p_sys->p_theme->getWindowManager() );
 363
 364         // Push the command in the asynchronous command queue
 365         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 366         pQueue->push( CmdGenericPtr( pCmd ) );
 367     }
 368
 369     return VLC_SUCCESS;
 370 }
 371
 372
 373 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 374                            vlc_value_t oldVal, vlc_value_t newVal,
 375                            void *pParam )
 376 {
 377     VlcProc *pThis = (VlcProc*)pParam;
 378
 379     // Update the stream variable
 380     playlist_t *p_playlist = (playlist_t*)pObj;
 381     pThis->updateStreamName(p_playlist);
 382
 383     // Create a playlist notify command
 384     // TODO: selective update
 385     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 386     // Create a playtree notify command
 387     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 388                                                          newVal.i_int );
 389
 390     // Push the command in the asynchronous command queue
 391     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 392     pQueue->push( CmdGenericPtr( pCmd ) );
 393     pQueue->push( CmdGenericPtr( pCmdTree ) );
 394
 395     return VLC_SUCCESS;
 396 }
 397
 398
 399 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 400                                vlc_value_t oldVal, vlc_value_t newVal,
 401                                void *pParam )
 402 {
 403     VlcProc *pThis = (VlcProc*)pParam;
 404
 405     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 406
 407     // Update the stream variable
 408     playlist_t *p_playlist = (playlist_t*)pObj;
 409     pThis->updateStreamName(p_playlist);
 410
 411     // Create a playlist notify command
 412     // TODO: selective update
 413     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 414     // Create a playtree notify command
 415     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 416
 417     // Push the command in the asynchronous command queue
 418     pQueue->push( CmdGenericPtr( pCmd ) );
 419     pQueue->push( CmdGenericPtr( pCmdTree ) );
 420
 421     return VLC_SUCCESS;
 422 }
 423
 424
 425 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 426                            vlc_value_t oldVal, vlc_value_t newVal,
 427                            void *pParam )
 428 {
 429     VlcProc *pThis = (VlcProc*)pParam;
 430
 431     // Create a playlist notify command
 432     CmdChangeSkin *pCmd =
 433         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 434
 435     // Push the command in the asynchronous command queue
 436     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 437     pQueue->push( CmdGenericPtr( pCmd ) );
 438
 439     return VLC_SUCCESS;
 440 }
 441
 442
 443 void VlcProc::updateStreamName( playlist_t *p_playlist )
 444 {
 445     if( p_playlist->p_input )
 446     {
 447         VarText &rStreamName = getStreamNameVar();
 448         VarText &rStreamURI = getStreamURIVar();
 449         // XXX: we should not need to access p_input->psz_source directly, a
 450         // getter should be provided by VLC core
 451         string name = p_playlist->p_input->input.p_item->psz_name;
 452         // XXX: This should be done in VLC core, not here...
 453         // Remove path information if any
 454         OSFactory *pFactory = OSFactory::instance( getIntf() );
 455         string::size_type pos = name.rfind( pFactory->getDirSeparator() );
 456         if( pos != string::npos )
 457         {
 458             name = name.substr( pos + 1, name.size() - pos + 1 );
 459         }
 460         UString srcName( getIntf(), name.c_str() );
 461         UString srcURI( getIntf(),
 462                          p_playlist->p_input->input.p_item->psz_uri );
 463
 464         // Create commands to update the stream variables
 465         CmdSetText *pCmd1 = new CmdSetText( getIntf(), rStreamName, srcName );
 466         CmdSetText *pCmd2 = new CmdSetText( getIntf(), rStreamURI, srcURI );
 467         // Push the commands in the asynchronous command queue
 468         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 469         pQueue->push( CmdGenericPtr( pCmd1 ) );
 470         pQueue->push( CmdGenericPtr( pCmd2 ) );
 471     }
 472 }
 473
 474
 475 void *VlcProc::getWindow( intf_thread_t *pIntf, vout_thread_t *pVout,
 476                           int *pXHint, int *pYHint,
 477                           unsigned int *pWidthHint,
 478                           unsigned int *pHeightHint )
 479 {
 480     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 481     pThis->m_pVout = pVout;
 482     if( pThis->m_handleSet.empty() )
 483     {
 484         return NULL;
 485     }
 486     else
 487     {
 488         // Get the window handle
 489         void *pWindow = *pThis->m_handleSet.begin();
 490         // Post a resize vout command
 491         CmdResizeVout *pCmd = new CmdResizeVout( pThis->getIntf(), pWindow,
 492                                                  *pWidthHint, *pHeightHint );
 493         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 494         pQueue->push( CmdGenericPtr( pCmd ) );
 495         return pWindow;
 496     }
 497 }
 498
 499
 500 void VlcProc::releaseWindow( intf_thread_t *pIntf, void *pWindow )
 501 {
 502     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 503     pThis->m_pVout = NULL;
 504 }
 505
 506
 507 int VlcProc::controlWindow( intf_thread_t *pIntf, void *pWindow,
 508                             int query, va_list args )
 509 {
 510     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 511
 512     switch( query )
 513     {
 514         case VOUT_SET_SIZE:
 515         {
 516             if( pThis->m_pVout )
 517             {
 518                 unsigned int i_width  = va_arg( args, unsigned int );
 519                 unsigned int i_height = va_arg( args, unsigned int );
 520                 if( !i_width ) i_width = pThis->m_pVout->i_window_width;
 521                 if( !i_height ) i_height = pThis->m_pVout->i_window_height;
 522
 523                 // Post a resize vout command
 524                 CmdResizeVout *pCmd =
 525                     new CmdResizeVout( pThis->getIntf(), pWindow,
 526                                        i_width, i_height );
 527                 AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 528                 pQueue->push( CmdGenericPtr( pCmd ) );
 529             }
 530         }
 531
 532         default:
 533             msg_Dbg( pIntf, "control query not supported" );
 534             break;
 535     }
 536
 537     return VLC_SUCCESS;
 538 }
 539
 540
 541 int VlcProc::onEqBandsChange( 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     // Post a set equalizer bands command
 548     CmdSetEqBands *pCmd = new CmdSetEqBands( pThis->getIntf(),
 549                                              pThis->m_varEqBands,
 550                                              newVal.psz_string );
 551     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 552     pQueue->push( CmdGenericPtr( pCmd ) );
 553
 554     return VLC_SUCCESS;
 555 }
 556