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
  28 #include "vlcproc.hpp"
  29 #include "os_factory.hpp"
  30 #include "os_timer.hpp"
  31 #include "var_manager.hpp"
  32 #include "theme.hpp"
  33 #include "window_manager.hpp"
  34 #include "../commands/async_queue.hpp"
  35 #include "../commands/cmd_change_skin.hpp"
  36 #include "../commands/cmd_show_window.hpp"
  37 #include "../commands/cmd_quit.hpp"
  38 #include "../commands/cmd_resize.hpp"
  39 #include "../commands/cmd_vars.hpp"
  40 #include "../utils/var_bool.hpp"
  41
  42
  43 VlcProc *VlcProc::instance( intf_thread_t *pIntf )
  44 {
  45     if( pIntf->p_sys->p_vlcProc == NULL )
  46     {
  47         pIntf->p_sys->p_vlcProc = new VlcProc( pIntf );
  48     }
  49
  50     return pIntf->p_sys->p_vlcProc;
  51 }
  52
  53
  54 void VlcProc::destroy( intf_thread_t *pIntf )
  55 {
  56     if( pIntf->p_sys->p_vlcProc )
  57     {
  58         delete pIntf->p_sys->p_vlcProc;
  59         pIntf->p_sys->p_vlcProc = NULL;
  60     }
  61 }
  62
  63
  64 VlcProc::VlcProc( intf_thread_t *pIntf ): SkinObject( pIntf ), m_pVout( NULL ),
  65     m_cmdManage( this )
  66 {
  67     // Create a timer to poll the status of the vlc
  68     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  69     m_pTimer = pOsFactory->createOSTimer( m_cmdManage );
  70     m_pTimer->start( 100, false );
  71
  72     // Create and register VLC variables
  73     VarManager *pVarManager = VarManager::instance( getIntf() );
  74
  75 #define REGISTER_VAR( var, type, name ) \
  76     var = VariablePtr( new type( getIntf() ) ); \
  77     pVarManager->registerVar( var, name );
  78     REGISTER_VAR( m_cPlaylist, Playlist, "playlist" )
  79     pVarManager->registerVar( getPlaylistVar().getPositionVarPtr(),
  80                               "playlist.slider" );
  81     REGISTER_VAR( m_cVarRandom, VarBoolImpl, "playlist.isRandom" )
  82     REGISTER_VAR( m_cVarLoop, VarBoolImpl, "playlist.isLoop" )
  83     REGISTER_VAR( m_cVarRepeat, VarBoolImpl, "playlist.isRepeat" )
  84     REGISTER_VAR( m_cPlaytree, Playtree, "playtree" )
  85     pVarManager->registerVar( getPlaytreeVar().getPositionVarPtr(),
  86                               "playtree.slider" );
  87     pVarManager->registerVar( m_cVarRandom, "playtree.isRandom" );
  88     pVarManager->registerVar( m_cVarLoop, "playtree.isLoop" );
  89     pVarManager->registerVar( m_cVarRepeat, "playtree.isRepeat" );
  90     REGISTER_VAR( m_cVarTime, StreamTime, "time" )
  91     REGISTER_VAR( m_cVarVolume, Volume, "volume" )
  92     REGISTER_VAR( m_cVarMute, VarBoolImpl, "vlc.isMute" )
  93     REGISTER_VAR( m_cVarPlaying, VarBoolImpl, "vlc.isPlaying" )
  94     REGISTER_VAR( m_cVarStopped, VarBoolImpl, "vlc.isStopped" )
  95     REGISTER_VAR( m_cVarPaused, VarBoolImpl, "vlc.isPaused" )
  96     REGISTER_VAR( m_cVarSeekable, VarBoolImpl, "vlc.isSeekable" )
  97 #undef REGISTER_VAR
  98     m_cVarStreamName = VariablePtr( new VarText( getIntf(), false ) );
  99     pVarManager->registerVar( m_cVarStreamName, "streamName" );
 100     m_cVarStreamURI = VariablePtr( new VarText( getIntf(), false ) );
 101     pVarManager->registerVar( m_cVarStreamURI, "streamURI" );
 102
 103     // XXX WARNING XXX
 104     // The object variable callbacks are called from other VLC threads,
 105     // so they must put commands in the queue and NOT do anything else
 106     // (X11 calls are not reentrant)
 107
 108     // Called when the playlist changes
 109     var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
 110                      onIntfChange, this );
 111     // Called when a playlist item is added
 112     // TODO: properly handle item-append
 113     var_AddCallback( pIntf->p_sys->p_playlist, "item-append",
 114                      onIntfChange, this );
 115     // Called when a playlist item is deleted
 116     // TODO: properly handle item-deleted
 117     var_AddCallback( pIntf->p_sys->p_playlist, "item-deleted",
 118                      onIntfChange, this );
 119     // Called when the "interface shower" wants us to show the skin
 120     var_AddCallback( pIntf->p_sys->p_playlist, "intf-show",
 121                      onIntfShow, this );
 122     // Called when the current played item changes
 123     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-current",
 124                      onPlaylistChange, this );
 125     // Called when a playlist item changed
 126     var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
 127                      onItemChange, this );
 128     // Called when our skins2 demux wants us to load a new skin
 129     var_AddCallback( pIntf, "skin-to-load", onSkinToLoad, this );
 130
 131     // Callbacks for vout requests
 132     getIntf()->pf_request_window = &getWindow;
 133     getIntf()->pf_release_window = &releaseWindow;
 134     getIntf()->pf_control_window = &controlWindow;
 135
 136     getIntf()->p_sys->p_input = NULL;
 137 }
 138
 139
 140 VlcProc::~VlcProc()
 141 {
 142     m_pTimer->stop();
 143     delete( m_pTimer );
 144     if( getIntf()->p_sys->p_input )
 145     {
 146         vlc_object_release( getIntf()->p_sys->p_input );
 147     }
 148
 149     // Callbacks for vout requests
 150     getIntf()->pf_request_window = NULL;
 151     getIntf()->pf_release_window = NULL;
 152     getIntf()->pf_control_window = NULL;
 153
 154     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
 155                      onIntfChange, this );
 156     var_DelCallback( getIntf()->p_sys->p_playlist, "item-append",
 157                      onIntfChange, this );
 158     var_DelCallback( getIntf()->p_sys->p_playlist, "item-deleted",
 159                      onIntfChange, this );
 160     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-show",
 161                      onIntfShow, this );
 162     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-current",
 163                      onPlaylistChange, this );
 164     var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
 165                      onItemChange, this );
 166     var_DelCallback( getIntf(), "skin-to-load", onSkinToLoad, this );
 167 }
 168
 169
 170 void VlcProc::registerVoutWindow( void *pVoutWindow )
 171 {
 172     m_handleSet.insert( pVoutWindow );
 173     // Reparent the vout window
 174     if( m_pVout )
 175     {
 176         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 177             vout_Control( m_pVout, VOUT_CLOSE );
 178     }
 179 }
 180
 181
 182 void VlcProc::unregisterVoutWindow( void *pVoutWindow )
 183 {
 184     m_handleSet.erase( pVoutWindow );
 185 }
 186
 187
 188 void VlcProc::dropVout()
 189 {
 190     if( m_pVout )
 191     {
 192         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 193             vout_Control( m_pVout, VOUT_CLOSE );
 194         m_pVout = NULL;
 195     }
 196 }
 197
 198
 199 void VlcProc::manage()
 200 {
 201     // Did the user requested to quit vlc ?
 202     if( getIntf()->b_die || getIntf()->p_vlc->b_die )
 203     {
 204         CmdQuit *pCmd = new CmdQuit( getIntf() );
 205         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 206         pQueue->push( CmdGenericPtr( pCmd ) );
 207     }
 208
 209     // Get the VLC variables
 210     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 211     Volume *pVolume = (Volume*)m_cVarVolume.get();
 212     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 213     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 214     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 215     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 216     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 217     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 218     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 219     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 220
 221     // Refresh sound volume
 222     audio_volume_t volume;
 223     aout_VolumeGet( getIntf(), &volume );
 224     pVolume->set( (double)volume * 2.0 / AOUT_VOLUME_MAX );
 225     // Set the mute variable
 226     pVarMute->set( volume == 0 );
 227
 228     // Update the input
 229     if( getIntf()->p_sys->p_input == NULL )
 230     {
 231         getIntf()->p_sys->p_input = (input_thread_t *)vlc_object_find(
 232             getIntf(), VLC_OBJECT_INPUT, FIND_ANYWHERE );
 233     }
 234     else if( getIntf()->p_sys->p_input->b_dead )
 235     {
 236         vlc_object_release( getIntf()->p_sys->p_input );
 237         getIntf()->p_sys->p_input = NULL;
 238     }
 239
 240     input_thread_t *pInput = getIntf()->p_sys->p_input;
 241
 242     if( pInput && !pInput->b_die )
 243     {
 244         // Refresh time variables
 245         vlc_value_t pos;
 246         var_Get( pInput, "position", &pos );
 247         pTime->set( pos.f_float, false );
 248
 249         // Get the status of the playlist
 250         playlist_status_t status =
 251             getIntf()->p_sys->p_playlist->status.i_status;
 252
 253         pVarPlaying->set( status == PLAYLIST_RUNNING );
 254         pVarStopped->set( status == PLAYLIST_STOPPED );
 255         pVarPaused->set( status == PLAYLIST_PAUSED );
 256
 257         pVarSeekable->set( pos.f_float != 0.0 );
 258     }
 259     else
 260     {
 261         pVarPlaying->set( false );
 262         pVarPaused->set( false );
 263         pVarStopped->set( true );
 264         pVarSeekable->set( false );
 265         pTime->set( 0, false );
 266     }
 267
 268     // Refresh the random variable
 269     vlc_value_t val;
 270     var_Get( getIntf()->p_sys->p_playlist, "random", &val );
 271     pVarRandom->set( val.b_bool != 0 );
 272
 273     // Refresh the loop variable
 274     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 275     pVarLoop->set( val.b_bool != 0 );
 276
 277     // Refresh the repeat variable
 278     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 279     pVarRepeat->set( val.b_bool != 0 );
 280 }
 281
 282
 283 void VlcProc::CmdManage::execute()
 284 {
 285     // Just forward to VlcProc
 286     m_pParent->manage();
 287 }
 288
 289
 290 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 291                            vlc_value_t oldVal, vlc_value_t newVal,
 292                            void *pParam )
 293 {
 294     VlcProc *pThis = (VlcProc*)pParam;
 295
 296     // Update the stream variable
 297     playlist_t *p_playlist = (playlist_t*)pObj;
 298     pThis->updateStreamName(p_playlist);
 299
 300     // Create a playlist notify command
 301     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 302     // Create a playtree notify command
 303     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 304
 305     // Push the command in the asynchronous command queue
 306     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 307     pQueue->remove( "notify playlist" );
 308     pQueue->remove( "playtree changed" );
 309     pQueue->push( CmdGenericPtr( pCmd ) );
 310     pQueue->push( CmdGenericPtr( pCmdTree ) );
 311
 312     return VLC_SUCCESS;
 313 }
 314
 315
 316 int VlcProc::onIntfShow( vlc_object_t *pObj, const char *pVariable,
 317                          vlc_value_t oldVal, vlc_value_t newVal,
 318                          void *pParam )
 319 {
 320     if (newVal.i_int)
 321     {
 322         VlcProc *pThis = (VlcProc*)pParam;
 323
 324         // Create a raise all command
 325         CmdRaiseAll *pCmd = new CmdRaiseAll( pThis->getIntf(),
 326             pThis->getIntf()->p_sys->p_theme->getWindowManager() );
 327
 328         // Push the command in the asynchronous command queue
 329         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 330         pQueue->remove( "raise all windows" );
 331         pQueue->push( CmdGenericPtr( pCmd ) );
 332     }
 333
 334     return VLC_SUCCESS;
 335 }
 336
 337
 338 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 339                            vlc_value_t oldVal, vlc_value_t newVal,
 340                            void *pParam )
 341 {
 342     VlcProc *pThis = (VlcProc*)pParam;
 343
 344     // Update the stream variable
 345     playlist_t *p_playlist = (playlist_t*)pObj;
 346     pThis->updateStreamName(p_playlist);
 347
 348     // Create a playlist notify command
 349     // TODO: selective update
 350     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 351     // Create a playtree notify command
 352     CmdPlaytreeUpdate *pCmdTree = new CmdPlaytreeUpdate( pThis->getIntf(),
 353                                                          newVal.i_int );
 354
 355     // Push the command in the asynchronous command queue
 356     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 357     pQueue->remove( "notify playlist" );
 358     pQueue->remove( "playtree update" );
 359     pQueue->push( CmdGenericPtr( pCmd ) );
 360     pQueue->push( CmdGenericPtr( pCmdTree ) );
 361
 362     return VLC_SUCCESS;
 363 }
 364
 365
 366 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 367                                vlc_value_t oldVal, vlc_value_t newVal,
 368                                void *pParam )
 369 {
 370     VlcProc *pThis = (VlcProc*)pParam;
 371
 372     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 373
 374     // Update the stream variable
 375     playlist_t *p_playlist = (playlist_t*)pObj;
 376     pThis->updateStreamName(p_playlist);
 377
 378     // Create a playlist notify command
 379     // TODO: selective update
 380     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 381     // Create a playtree notify command
 382     CmdPlaytreeChanged *pCmdTree = new CmdPlaytreeChanged( pThis->getIntf() );
 383
 384     // Push the command in the asynchronous command queue
 385     pQueue->remove( "notify playlist" );
 386     pQueue->remove( "playtree changed" );
 387     pQueue->push( CmdGenericPtr( pCmd ) );
 388     pQueue->push( CmdGenericPtr( pCmdTree ) );
 389
 390     return VLC_SUCCESS;
 391 }
 392
 393
 394 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 395                            vlc_value_t oldVal, vlc_value_t newVal,
 396                            void *pParam )
 397 {
 398     VlcProc *pThis = (VlcProc*)pParam;
 399
 400     // Create a playlist notify command
 401     CmdChangeSkin *pCmd =
 402         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 403
 404     // Push the command in the asynchronous command queue
 405     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 406     pQueue->remove( "change skin" );
 407     pQueue->push( CmdGenericPtr( pCmd ) );
 408
 409     return VLC_SUCCESS;
 410 }
 411
 412
 413 void VlcProc::updateStreamName( playlist_t *p_playlist )
 414 {
 415     if( p_playlist->p_input )
 416     {
 417         VarText &rStreamName = getStreamNameVar();
 418         VarText &rStreamURI = getStreamURIVar();
 419         // XXX: we should not need to access p_input->psz_source directly, a
 420         // getter should be provided by VLC core
 421         string name = p_playlist->p_input->input.p_item->psz_name;
 422         // XXX: This should be done in VLC core, not here...
 423         // Remove path information if any
 424         OSFactory *pFactory = OSFactory::instance( getIntf() );
 425         string::size_type pos = name.rfind( pFactory->getDirSeparator() );
 426         if( pos != string::npos )
 427         {
 428             name = name.substr( pos + 1, name.size() - pos + 1 );
 429         }
 430         UString srcName( getIntf(), name.c_str() );
 431         UString srcURI( getIntf(),
 432                          p_playlist->p_input->input.p_item->psz_uri );
 433
 434         // Create commands to update the stream variables
 435         CmdSetText *pCmd1 = new CmdSetText( getIntf(), rStreamName, srcName );
 436         CmdSetText *pCmd2 = new CmdSetText( getIntf(), rStreamURI, srcURI );
 437         // Push the commands in the asynchronous command queue
 438         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 439         pQueue->push( CmdGenericPtr( pCmd1 ) );
 440         pQueue->push( CmdGenericPtr( pCmd2 ) );
 441     }
 442 }
 443
 444
 445 void *VlcProc::getWindow( intf_thread_t *pIntf, vout_thread_t *pVout,
 446                           int *pXHint, int *pYHint,
 447                           unsigned int *pWidthHint,
 448                           unsigned int *pHeightHint )
 449 {
 450     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 451     pThis->m_pVout = pVout;
 452     if( pThis->m_handleSet.empty() )
 453     {
 454         return NULL;
 455     }
 456     else
 457     {
 458         // Get the window handle
 459         void *pWindow = *pThis->m_handleSet.begin();
 460         // Post a resize vout command
 461         CmdResizeVout *pCmd = new CmdResizeVout( pThis->getIntf(), pWindow,
 462                                                  *pWidthHint, *pHeightHint );
 463         AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 464         pQueue->remove( "resize vout" );
 465         pQueue->push( CmdGenericPtr( pCmd ) );
 466         return pWindow;
 467     }
 468 }
 469
 470
 471 void VlcProc::releaseWindow( intf_thread_t *pIntf, void *pWindow )
 472 {
 473     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 474     pThis->m_pVout = NULL;
 475 }
 476
 477
 478 int VlcProc::controlWindow( intf_thread_t *pIntf, void *pWindow,
 479                             int query, va_list args )
 480 {
 481     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 482
 483     switch( query )
 484     {
 485         case VOUT_SET_ZOOM:
 486         {
 487             if( pThis->m_pVout )
 488             {
 489                 // Post a resize vout command
 490                 CmdResizeVout *pCmd =
 491                     new CmdResizeVout( pThis->getIntf(), pWindow,
 492                                        pThis->m_pVout->i_window_width,
 493                                        pThis->m_pVout->i_window_height );
 494                 AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 495                 pQueue->remove( "resize vout" );
 496                 pQueue->push( CmdGenericPtr( pCmd ) );
 497             }
 498         }
 499
 500         default:
 501             msg_Dbg( pIntf, "control query not supported" );
 502             break;
 503     }
 504
 505     return VLC_SUCCESS;
 506 }
 507