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

   1 /*****************************************************************************
   2  * vlcproc.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 VideoLAN
   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 "../commands/async_queue.hpp"
  33 #include "../commands/cmd_change_skin.hpp"
  34 #include "../commands/cmd_quit.hpp"
  35 #include "../commands/cmd_vars.hpp"
  36 #include "../utils/var_bool.hpp"
  37
  38
  39 VlcProc *VlcProc::instance( intf_thread_t *pIntf )
  40 {
  41     if( pIntf->p_sys->p_vlcProc == NULL )
  42     {
  43         pIntf->p_sys->p_vlcProc = new VlcProc( pIntf );
  44     }
  45
  46     return pIntf->p_sys->p_vlcProc;
  47 }
  48
  49
  50 void VlcProc::destroy( intf_thread_t *pIntf )
  51 {
  52     if( pIntf->p_sys->p_vlcProc )
  53     {
  54         delete pIntf->p_sys->p_vlcProc;
  55         pIntf->p_sys->p_vlcProc = NULL;
  56     }
  57 }
  58
  59
  60 VlcProc::VlcProc( intf_thread_t *pIntf ): SkinObject( pIntf ),
  61                   m_pVoutWindow( NULL ), m_pVout( NULL )
  62 {
  63     // Create a timer to poll the status of the vlc
  64     OSFactory *pOsFactory = OSFactory::instance( pIntf );
  65     m_pTimer = pOsFactory->createOSTimer( Callback( this, &doManage ) );
  66     m_pTimer->start( 100, false );
  67
  68     // Create and register VLC variables
  69     VarManager *pVarManager = VarManager::instance( getIntf() );
  70
  71 #define REGISTER_VAR( var, type, name ) \
  72     var = VariablePtr( new type( getIntf() ) ); \
  73     pVarManager->registerVar( var, name );
  74     REGISTER_VAR( m_cPlaylist, Playlist, "playlist" )
  75     pVarManager->registerVar( getPlaylistVar().getPositionVarPtr(),
  76                               "playlist.slider" );
  77     REGISTER_VAR( m_cVarRandom, VarBoolImpl, "playlist.isRandom" )
  78     REGISTER_VAR( m_cVarLoop, VarBoolImpl, "playlist.isLoop" )
  79     REGISTER_VAR( m_cVarRepeat, VarBoolImpl, "playlist.isRepeat" )
  80     REGISTER_VAR( m_cVarTime, StreamTime, "time" )
  81     REGISTER_VAR( m_cVarVolume, Volume, "volume" )
  82     REGISTER_VAR( m_cVarStream, Stream, "stream" )
  83     REGISTER_VAR( m_cVarMute, VarBoolImpl, "vlc.isMute" )
  84     REGISTER_VAR( m_cVarPlaying, VarBoolImpl, "vlc.isPlaying" )
  85     REGISTER_VAR( m_cVarStopped, VarBoolImpl, "vlc.isStopped" )
  86     REGISTER_VAR( m_cVarPaused, VarBoolImpl, "vlc.isPaused" )
  87     REGISTER_VAR( m_cVarSeekable, VarBoolImpl, "vlc.isSeekable" )
  88 #undef REGISTER_VAR
  89
  90     // XXX WARNING XXX
  91     // The object variable callbacks are called from other VLC threads,
  92     // so they must put commands in the queue and NOT do anything else
  93     // (X11 calls are not reentrant)
  94
  95     // Called when the playlist changes
  96     var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
  97                      onIntfChange, this );
  98     // Called when the current played item changes
  99     var_AddCallback( pIntf->p_sys->p_playlist, "playlist-current",
 100                      onPlaylistChange, this );
 101     // Called when a playlist item changed
 102     var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
 103                      onItemChange, this );
 104     // Called when our skins2 demux wants us to load a new skin
 105     var_AddCallback( pIntf, "skin-to-load", onSkinToLoad, this );
 106
 107     // Callbacks for vout requests
 108     getIntf()->pf_request_window = &getWindow;
 109     getIntf()->pf_release_window = &releaseWindow;
 110     getIntf()->pf_control_window = &controlWindow;
 111
 112     getIntf()->p_sys->p_input = NULL;
 113 }
 114
 115
 116 VlcProc::~VlcProc()
 117 {
 118     m_pTimer->stop();
 119     delete( m_pTimer );
 120     if( getIntf()->p_sys->p_input )
 121     {
 122         vlc_object_release( getIntf()->p_sys->p_input );
 123     }
 124
 125     // Callbacks for vout requests
 126     getIntf()->pf_request_window = NULL;
 127     getIntf()->pf_release_window = NULL;
 128     getIntf()->pf_control_window = NULL;
 129
 130     var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
 131                      onIntfChange, this );
 132     var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-current",
 133                      onPlaylistChange, this );
 134     var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
 135                      onItemChange, this );
 136 }
 137
 138
 139 void VlcProc::setVoutWindow( void *pVoutWindow )
 140 {
 141     m_pVoutWindow = pVoutWindow;
 142     // Reparent the vout window
 143     if( m_pVout )
 144     {
 145         if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
 146             vout_Control( m_pVout, VOUT_CLOSE );
 147     }
 148 }
 149
 150
 151 void VlcProc::manage()
 152 {
 153     // Did the user requested to quit vlc ?
 154     if( getIntf()->b_die || getIntf()->p_vlc->b_die )
 155     {
 156         CmdQuit *pCmd = new CmdQuit( getIntf() );
 157         AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
 158         pQueue->push( CmdGenericPtr( pCmd ) );
 159     }
 160
 161     // Get the VLC variables
 162     StreamTime *pTime = (StreamTime*)m_cVarTime.get();
 163     Volume *pVolume = (Volume*)m_cVarVolume.get();
 164     VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
 165     VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
 166     VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
 167     VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
 168     VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
 169     VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
 170     VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
 171     VarBoolImpl *pVarRepeat = (VarBoolImpl*)m_cVarRepeat.get();
 172
 173     // Refresh sound volume
 174     audio_volume_t volume;
 175     aout_VolumeGet( getIntf(), &volume );
 176     pVolume->set( (double)volume / AOUT_VOLUME_MAX );
 177     // Set the mute variable
 178     pVarMute->set( volume == 0 );
 179
 180     // Update the input
 181     if( getIntf()->p_sys->p_input == NULL )
 182     {
 183         getIntf()->p_sys->p_input = (input_thread_t *)vlc_object_find(
 184             getIntf(), VLC_OBJECT_INPUT, FIND_ANYWHERE );
 185     }
 186     else if( getIntf()->p_sys->p_input->b_dead )
 187     {
 188         vlc_object_release( getIntf()->p_sys->p_input );
 189         getIntf()->p_sys->p_input = NULL;
 190     }
 191
 192     input_thread_t *pInput = getIntf()->p_sys->p_input;
 193
 194     if( pInput && !pInput->b_die )
 195     {
 196         // Refresh time variables
 197         vlc_value_t pos;
 198         var_Get( pInput, "position", &pos );
 199         pTime->set( pos.f_float, false );
 200
 201         // Get the status of the playlist
 202         playlist_status_t status = getIntf()->p_sys->p_playlist->i_status;
 203
 204         pVarPlaying->set( status == PLAYLIST_RUNNING );
 205         pVarStopped->set( status == PLAYLIST_STOPPED );
 206         pVarPaused->set( status == PLAYLIST_PAUSED );
 207
 208         pVarSeekable->set( pos.f_float != 0.0 );
 209     }
 210     else
 211     {
 212         pVarPlaying->set( false );
 213         pVarPaused->set( false );
 214         pVarStopped->set( true );
 215         pVarSeekable->set( false );
 216         pTime->set( 0, false );
 217     }
 218
 219     // Refresh the random variable
 220     vlc_value_t val;
 221     var_Get( getIntf()->p_sys->p_playlist, "random", &val );
 222     pVarRandom->set( val.b_bool );
 223
 224     // Refresh the loop variable
 225     var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
 226     pVarLoop->set( val.b_bool );
 227
 228     // Refresh the repeat variable
 229     var_Get( getIntf()->p_sys->p_playlist, "repeat", &val );
 230     pVarRepeat->set( val.b_bool );
 231 }
 232
 233
 234 void VlcProc::doManage( SkinObject *pObj )
 235 {
 236     VlcProc *pThis = (VlcProc*)pObj;
 237     pThis->manage();
 238 }
 239
 240
 241 int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
 242                            vlc_value_t oldVal, vlc_value_t newVal,
 243                            void *pParam )
 244 {
 245     VlcProc *pThis = ( VlcProc* )pParam;
 246
 247     // Create a playlist notify command
 248     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 249
 250     // Push the command in the asynchronous command queue
 251     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 252     pQueue->remove( "notify playlist" );
 253     pQueue->push( CmdGenericPtr( pCmd ) );
 254
 255     return VLC_SUCCESS;
 256 }
 257
 258
 259 int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
 260                            vlc_value_t oldVal, vlc_value_t newVal,
 261                            void *pParam )
 262 {
 263     VlcProc *pThis = ( VlcProc* )pParam;
 264
 265     // Create a playlist notify command
 266     // TODO: selective update
 267     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 268
 269     // Push the command in the asynchronous command queue
 270     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 271     pQueue->remove( "notify playlist" );
 272     pQueue->push( CmdGenericPtr( pCmd ) );
 273
 274     return VLC_SUCCESS;
 275 }
 276
 277
 278 int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
 279                                vlc_value_t oldVal, vlc_value_t newVal,
 280                                void *pParam )
 281 {
 282     VlcProc *pThis = ( VlcProc* )pParam;
 283
 284     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 285
 286     playlist_t *p_playlist = (playlist_t*)pObj;
 287     if( p_playlist->p_input )
 288     {
 289         // Create a command to update the stream variable
 290         // XXX: we should not need to access p_input->psz_source directly, a
 291         // getter should be provided by VLC core
 292         Stream *pStream = (Stream*)pThis->m_cVarStream.get();
 293 #warning "FIXME!"
 294         UString srcName( pThis->getIntf(),
 295                          p_playlist->p_input->input.p_item->psz_uri );
 296         CmdSetStream *pCmd = new CmdSetStream( pThis->getIntf(), *pStream,
 297                                                srcName, false );
 298         // Push the command in the asynchronous command queue
 299         pQueue->remove( "set stream" );
 300         pQueue->push( CmdGenericPtr( pCmd ) );
 301     }
 302
 303     // Create a playlist notify command
 304     // TODO: selective update
 305     CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
 306
 307     // Push the command in the asynchronous command queue
 308     pQueue->remove( "notify playlist" );
 309     pQueue->push( CmdGenericPtr( pCmd ) );
 310
 311     return VLC_SUCCESS;
 312 }
 313
 314
 315 int VlcProc::onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 316                            vlc_value_t oldVal, vlc_value_t newVal,
 317                            void *pParam )
 318 {
 319     VlcProc *pThis = ( VlcProc* )pParam;
 320
 321     // Create a playlist notify command
 322     CmdChangeSkin *pCmd =
 323         new CmdChangeSkin( pThis->getIntf(), newVal.psz_string );
 324
 325     // Push the command in the asynchronous command queue
 326     AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
 327     pQueue->remove( "change skin" );
 328     pQueue->push( CmdGenericPtr( pCmd ) );
 329
 330     return VLC_SUCCESS;
 331 }
 332
 333
 334 void *VlcProc::getWindow( intf_thread_t *pIntf, vout_thread_t *pVout,
 335                           int *pXHint, int *pYHint,
 336                           unsigned int *pWidthHint,
 337                           unsigned int *pHeightHint )
 338 {
 339     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 340     pThis->m_pVout = pVout;
 341     return pThis->m_pVoutWindow;
 342 }
 343
 344
 345 void VlcProc::releaseWindow( intf_thread_t *pIntf, void *pWindow )
 346 {
 347     VlcProc *pThis = pIntf->p_sys->p_vlcProc;
 348     pThis->m_pVout = NULL;
 349 }
 350
 351
 352 int VlcProc::controlWindow( intf_thread_t *pIntf, void *pWindow,
 353                             int query, va_list args )
 354 {
 355     return VLC_SUCCESS;
 356 }
 357