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