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