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262 lines
6.9 KiB
262 lines
6.9 KiB
/***************************************************************************
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kdemmengine.cpp - KDE Multimedia (KDEMM) interface
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-------------------
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begin : 2004-10-01
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copyright : (C) 2004 by Roland Gigler
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email : rolandg@web.de
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what : interface to the KDE Multimedia interface (KDEMM)
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***************************************************************************/
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/***************************************************************************
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* *
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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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* *
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***************************************************************************/
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#include "enginebase.h"
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#include "engineobserver.h"
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#include <assert.h>
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#include <math.h> //setVolume(), timerEvent()
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#include <string>
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#include <vector>
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#include <tqdir.h>
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#include <tqdom.h>
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#include <tqfile.h>
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#include <tqlayout.h>
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#include <tqstring.h>
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#include <tqtextstream.h>
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#include <tqtimer.h>
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#include <kapplication.h>
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#include <kconfig.h>
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#include <kdebug.h>
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#include <kfileitem.h>
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#include <kgenericfactory.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kmimetype.h>
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#include <kstandarddirs.h>
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#include <kurl.h>
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#include <kdemm/simpleplayer.h>
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#include "kdemmengine.h"
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#define KDEMM_TIMER 250
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AMAROK_EXPORT_PLUGIN( KDEMMEngine )
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using namespace KDE::Multimedia;
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KDEMMEngine::KDEMMEngine( )
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: Engine::Base()
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// , m_scopeId( 0 )
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// , m_xfadeFadeout( false )
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// , m_xfadeValue( 0.0 )
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// , m_xfadeCurrent( "invalue2" )
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, m_state( Engine::Empty )
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, m_pPlayingTimer( new TQTimer( this ) )
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{
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kdDebug() << k_funcinfo << endl;
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m_player = new SimplePlayer();
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}
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KDEMMEngine::~KDEMMEngine()
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{
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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m_pPlayingTimer->stop();
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delete m_player;
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kdDebug() << "END " << k_funcinfo << endl;
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}
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bool KDEMMEngine::init()
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{
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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/*
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m_scopeSize = 1 << scopeSize;
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m_restoreEffects = restoreEffects;
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m_mixerHW = -1; //initialize
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*/
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connect ( m_pPlayingTimer, TQT_SIGNAL( timeout() ), this, TQT_SLOT( playingTimeout() ) );
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kdDebug() << "END " << k_funcinfo << endl;
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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// PUBLIC METHODS
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////////////////////////////////////////////////////////////////////////////////
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bool KDEMMEngine::canDecode( const KURL &url ) const
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{
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static TQStringList list;
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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kdDebug() << " Param: url: " << url << endl;
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//kdDebug() << " url.protocol() >" << url.protocol() <<"<"<< endl;
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if (url.protocol() == "http" ) return false;
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// TODO determine list of supported MimeTypes/Extensions from KDEMM
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list += TQString("audio/x-mp3");
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KFileItem fileItem( KFileItem::Unknown, KFileItem::Unknown, url, false ); //false = determineMimeType straight away
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KMimeType::Ptr mimetype = fileItem.determineMimeType();
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kdDebug() << "mimetype: " << mimetype->name().latin1() << endl;
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return list.contains( mimetype->name().latin1() );
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} // canDecode
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bool KDEMMEngine::load( const KURL& url, bool stream )
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{
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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m_isStream = stream;
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kdDebug() << " m_url: " << m_url << endl;
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kdDebug() << " Param: stream: " << stream << endl;
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kdDebug() << " Param: url " << url << endl;
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if ( !url.isLocalFile() ) { // for now
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return false;
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}
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if ( m_url == url ) {
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return true;
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} else {
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stop();
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}
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m_url = url;
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// the KDEMM SimplePlayer dows the loading in the play method
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m_state = Engine::Idle;
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kdDebug() << "END " << k_funcinfo << endl;
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return true;
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} // load
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bool KDEMMEngine::play( unsigned int offset)
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{
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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kdDebug() << " param: offset " << offset << endl;
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m_player->play(m_url);
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m_pPlayingTimer->start(KDEMM_TIMER, false);
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m_state = Engine::Playing;
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emit stateChanged( Engine::Playing );
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kdDebug() << "END " << k_funcinfo << endl;
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return true;
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} // play
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/*
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* return current position in milli seconds
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*/
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uint KDEMMEngine::position() const
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{
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uint pos=0;
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//kdDebug() << "BEGIN " << k_funcinfo << endl;
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//kdDebug() << " totalTime: " << m_player->totalTime() << endl;
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//kdDebug() << " currentTime: " << m_player->currentTime() << endl;
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pos = m_player->currentTime();
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//kdDebug() << "END " << k_funcinfo << endl;
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return (pos);
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} // position
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//////////////////////////////////////////////////////////////////////
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void KDEMMEngine::stop()
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{
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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//switch xfade channels
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/* m_xfadeCurrent = ( m_xfadeCurrent == "invalue1" ) ? "invalue2" : "invalue1";
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if ( m_xfadeValue == 0.0 )
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m_xfadeValue = 1.0;
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*/
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m_player->stop();
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m_pPlayingTimer->stop();
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m_state = Engine::Idle; // Empty
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emit stateChanged( m_state );
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kdDebug() << "END " << k_funcinfo << endl;
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}
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void KDEMMEngine::pause()
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{
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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// KDEMM: pause() cannot do un-pause, do it manually
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if (m_state == Engine::Paused){
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m_player->play(m_url);
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m_pPlayingTimer->start(KDEMM_TIMER, false);
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m_state = Engine::Playing;
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} else {
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m_player->pause();
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m_pPlayingTimer->stop();
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m_state = Engine::Paused;
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}
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emit stateChanged( m_state );
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kdDebug() << "END " << k_funcinfo << endl;
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} // pause
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void KDEMMEngine::seek( unsigned int ms )
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{
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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kdDebug() << " param: ms " << ms << endl;
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m_player->seek(ms);
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kdDebug() << "END " << k_funcinfo << endl;
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} // seek
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void KDEMMEngine::setVolumeSW( unsigned int percent )
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{
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kdDebug() << "BEGIN " << k_funcinfo << endl;
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kdDebug() << " Param: percent " << percent << endl;
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float vol = percent*0.01;
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kdDebug() << " setting vol to " << vol << endl;
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m_player->setVolume(vol);
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kdDebug() << "END " << k_funcinfo << endl;
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} // setVolumeSW
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////////////////////////////////////////////////////////////////////////////////
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// PRIVATE METHODS
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////////////////////////////////////////////////////////////////////////////////
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void KDEMMEngine::playingTimeout() //SLOT
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{
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//kdDebug() << "BEGIN " << k_funcinfo << endl;
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if( !m_player->isPlaying() ) {
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m_pPlayingTimer->stop();
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m_state = Engine::Idle;
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emit trackEnded();
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}
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//kdDebug() << "END " << k_funcinfo << endl;
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} // playingTimeout
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#include "kdemmengine.moc"
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