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/*****************************************************************************
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*****************************************************************************
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* Copyright (C) 2003 VideoLAN
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* $Id: vlcproc.cpp 7713 2004-05-18 14:50:19Z gbazin $
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* Authors: Cyril Deguet <asmax@via.ecp.fr>
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* Olivier Teuliļæ½re <ipkiss@via.ecp.fr>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#include "vlcproc.hpp"
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#include "os_factory.hpp"
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#include "os_timer.hpp"
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#include "var_manager.hpp"
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#include "../commands/async_queue.hpp"
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#include "../commands/cmd_quit.hpp"
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#include "../commands/cmd_vars.hpp"
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#include "../utils/var_bool.hpp"
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VlcProc *VlcProc::instance( intf_thread_t *pIntf )
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if( pIntf->p_sys->p_vlcProc == NULL )
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pIntf->p_sys->p_vlcProc = new VlcProc( pIntf );
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return pIntf->p_sys->p_vlcProc;
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void VlcProc::destroy( intf_thread_t *pIntf )
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if( pIntf->p_sys->p_vlcProc )
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delete pIntf->p_sys->p_vlcProc;
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pIntf->p_sys->p_vlcProc = NULL;
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VlcProc::VlcProc( intf_thread_t *pIntf ): SkinObject( pIntf ),
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m_pVoutWindow( NULL ), m_pVout( NULL )
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// Create a timer to poll the status of the vlc
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OSFactory *pOsFactory = OSFactory::instance( pIntf );
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m_pTimer = pOsFactory->createOSTimer( Callback( this, &doManage ) );
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m_pTimer->start( 100, false );
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// Create and register VLC variables
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VarManager *pVarManager = VarManager::instance( getIntf() );
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#define REGISTER_VAR( var, type, name ) \
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var = VariablePtr( new type( getIntf() ) ); \
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pVarManager->registerVar( var, name );
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REGISTER_VAR( m_cPlaylist, Playlist, "playlist" )
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pVarManager->registerVar( getPlaylistVar().getPositionVarPtr(),
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REGISTER_VAR( m_cVarRandom, VarBoolImpl, "playlist.isRandom" )
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REGISTER_VAR( m_cVarLoop, VarBoolImpl, "playlist.isLoop" )
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REGISTER_VAR( m_cVarTime, StreamTime, "time" )
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REGISTER_VAR( m_cVarVolume, Volume, "volume" )
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REGISTER_VAR( m_cVarStream, Stream, "stream" )
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REGISTER_VAR( m_cVarMute, VarBoolImpl, "vlc.isMute" ) // XXX broken
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REGISTER_VAR( m_cVarPlaying, VarBoolImpl, "vlc.isPlaying" )
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REGISTER_VAR( m_cVarStopped, VarBoolImpl, "vlc.isStopped" )
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REGISTER_VAR( m_cVarPaused, VarBoolImpl, "vlc.isPaused" )
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REGISTER_VAR( m_cVarSeekable, VarBoolImpl, "vlc.isSeekable" )
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// The object variable callbacks are called from other VLC threads,
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// so they must put commands in the queue and NOT do anything else
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// (X11 calls are not reentrant)
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// Called when the playlist changes
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var_AddCallback( pIntf->p_sys->p_playlist, "intf-change",
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// Called when the current played item changes
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var_AddCallback( pIntf->p_sys->p_playlist, "playlist-current",
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onPlaylistChange, this );
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// Called when a playlist item changed
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var_AddCallback( pIntf->p_sys->p_playlist, "item-change",
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onItemChange, this );
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// Callbacks for vout requests
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getIntf()->pf_request_window = &getWindow;
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getIntf()->pf_release_window = &releaseWindow;
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getIntf()->pf_control_window = &controlWindow;
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getIntf()->p_sys->p_input = NULL;
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if( getIntf()->p_sys->p_input )
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vlc_object_release( getIntf()->p_sys->p_input );
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// Callbacks for vout requests
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getIntf()->pf_request_window = NULL;
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getIntf()->pf_release_window = NULL;
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getIntf()->pf_control_window = NULL;
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var_DelCallback( getIntf()->p_sys->p_playlist, "intf-change",
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onIntfChange, this );
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var_DelCallback( getIntf()->p_sys->p_playlist, "playlist-current",
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onPlaylistChange, this );
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var_DelCallback( getIntf()->p_sys->p_playlist, "item-change",
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onItemChange, this );
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void VlcProc::setVoutWindow( void *pVoutWindow )
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m_pVoutWindow = pVoutWindow;
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// Reparent the vout window
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if( vout_Control( m_pVout, VOUT_REPARENT ) != VLC_SUCCESS )
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vout_Control( m_pVout, VOUT_CLOSE );
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void VlcProc::manage()
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// Did the user requested to quit vlc ?
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if( getIntf()->b_die || getIntf()->p_vlc->b_die )
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CmdQuit *pCmd = new CmdQuit( getIntf() );
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AsyncQueue *pQueue = AsyncQueue::instance( getIntf() );
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pQueue->push( CmdGenericPtr( pCmd ) );
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// Get the VLC variables
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StreamTime *pTime = (StreamTime*)m_cVarTime.get();
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Volume *pVolume = (Volume*)m_cVarVolume.get();
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VarBoolImpl *pVarPlaying = (VarBoolImpl*)m_cVarPlaying.get();
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VarBoolImpl *pVarStopped = (VarBoolImpl*)m_cVarStopped.get();
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VarBoolImpl *pVarPaused = (VarBoolImpl*)m_cVarPaused.get();
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VarBoolImpl *pVarSeekable = (VarBoolImpl*)m_cVarSeekable.get();
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VarBoolImpl *pVarMute = (VarBoolImpl*)m_cVarMute.get();
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VarBoolImpl *pVarRandom = (VarBoolImpl*)m_cVarRandom.get();
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VarBoolImpl *pVarLoop = (VarBoolImpl*)m_cVarLoop.get();
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// Refresh sound volume
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audio_volume_t volume;
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aout_VolumeGet( getIntf(), &volume );
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pVolume->set( (double)volume / AOUT_VOLUME_MAX );
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// Set the mute variable
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pVarMute->set( volume == 0 );
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if( getIntf()->p_sys->p_input == NULL )
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getIntf()->p_sys->p_input = (input_thread_t *)vlc_object_find(
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getIntf(), VLC_OBJECT_INPUT, FIND_ANYWHERE );
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else if( getIntf()->p_sys->p_input->b_dead )
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vlc_object_release( getIntf()->p_sys->p_input );
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getIntf()->p_sys->p_input = NULL;
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input_thread_t *pInput = getIntf()->p_sys->p_input;
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if( pInput && !pInput->b_die )
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// Refresh time variables
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if( pInput->stream.b_seekable )
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// Refresh position in the stream
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var_Get( pInput, "position", &pos );
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if( pos.f_float >= 0.0 )
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pTime->set( pos.f_float, false );
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pTime->set( 0, false );
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// Get the status of the playlist
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playlist_status_t status = getIntf()->p_sys->p_playlist->i_status;
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pVarPlaying->set( status == PLAYLIST_RUNNING );
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pVarStopped->set( status == PLAYLIST_STOPPED );
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pVarPaused->set( status == PLAYLIST_PAUSED );
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pVarSeekable->set( pInput->stream.b_seekable );
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pVarPlaying->set( false );
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pVarPaused->set( false );
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pVarStopped->set( true );
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pVarSeekable->set( false );
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pTime->set( 0, false );
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// Refresh the random variable
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var_Get( getIntf()->p_sys->p_playlist, "random", &val );
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pVarRandom->set( val.b_bool );
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// Refresh the loop variable
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var_Get( getIntf()->p_sys->p_playlist, "loop", &val );
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pVarLoop->set( val.b_bool );
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void VlcProc::doManage( SkinObject *pObj )
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VlcProc *pThis = (VlcProc*)pObj;
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int VlcProc::onIntfChange( vlc_object_t *pObj, const char *pVariable,
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vlc_value_t oldVal, vlc_value_t newVal,
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VlcProc *pThis = ( VlcProc* )pParam;
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// Create a playlist notify command
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CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
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// Push the command in the asynchronous command queue
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AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
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pQueue->remove( "notify playlist" );
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pQueue->push( CmdGenericPtr( pCmd ) );
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int VlcProc::onItemChange( vlc_object_t *pObj, const char *pVariable,
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vlc_value_t oldVal, vlc_value_t newVal,
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VlcProc *pThis = ( VlcProc* )pParam;
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// Create a playlist notify command
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// TODO: selective update
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CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
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// Push the command in the asynchronous command queue
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AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
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pQueue->remove( "notify playlist" );
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pQueue->push( CmdGenericPtr( pCmd ) );
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int VlcProc::onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
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vlc_value_t oldVal, vlc_value_t newVal,
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VlcProc *pThis = ( VlcProc* )pParam;
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AsyncQueue *pQueue = AsyncQueue::instance( pThis->getIntf() );
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playlist_t *p_playlist = (playlist_t*)pObj;
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if( p_playlist->p_input )
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// Create a command to update the stream variable
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// XXX: we should not need to access p_inpu->psz_source directly, a
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// getter should be provided by VLC core
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Stream *pStream = (Stream*)pThis->m_cVarStream.get();
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UString srcName( pThis->getIntf(),
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p_playlist->p_input->psz_source );
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CmdSetStream *pCmd = new CmdSetStream( pThis->getIntf(), *pStream,
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// Push the command in the asynchronous command queue
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pQueue->remove( "set stream" );
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pQueue->push( CmdGenericPtr( pCmd ) );
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// Create a playlist notify command
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// TODO: selective update
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CmdNotifyPlaylist *pCmd = new CmdNotifyPlaylist( pThis->getIntf() );
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// Push the command in the asynchronous command queue
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pQueue->remove( "notify playlist" );
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pQueue->push( CmdGenericPtr( pCmd ) );
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void *VlcProc::getWindow( intf_thread_t *pIntf, vout_thread_t *pVout,
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int *pXHint, int *pYHint,
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unsigned int *pWidthHint,
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unsigned int *pHeightHint )
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VlcProc *pThis = pIntf->p_sys->p_vlcProc;
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pThis->m_pVout = pVout;
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return pThis->m_pVoutWindow;
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void VlcProc::releaseWindow( intf_thread_t *pIntf, void *pWindow )
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VlcProc *pThis = pIntf->p_sys->p_vlcProc;
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pThis->m_pVout = NULL;
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int VlcProc::controlWindow( intf_thread_t *pIntf, void *pWindow,
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int query, va_list args )