Initial threaded audio work

src/libtomahawk/CMakeLists.txt

@@ -292,7 +292,7 @@ set( libSources
     sip/sipinfo.cpp
 
     audio/audioengine.cpp
-
+    audio/audioenginethread.cpp
 
     database/database.cpp
     database/fuzzyindex.cpp
@@ -408,6 +408,7 @@ set( libHeaders
     sip/sipinfo.h
 
     audio/audioengine.h
+    audio/audioenginethread.h
 
     database/database.h
     database/fuzzyindex.h

src/libtomahawk/audio/audioengine.cpp

@@ -100,6 +100,7 @@ AudioEngine::~AudioEngine()
 
     delete m_audioOutput;
     delete m_mediaObject;
+    s_instance = 0;
 }
 
 

src/libtomahawk/audio/audioengine.h

@@ -19,8 +19,9 @@
 #ifndef AUDIOENGINE_H
 #define AUDIOENGINE_H
 
-#include <QObject>
-#include <QTimer>
+#include <QtCore/QObject>
+#include <QtCore/QTimer>
+#include <QtCore/QMutex>
 
 #include <phonon/MediaObject>
 #include <phonon/AudioOutput>

src/libtomahawk/audio/audioenginethread.cpp

@@ -0,0 +1,41 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
+ *
+ *   Tomahawk is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Tomahawk is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Tomahawk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "audioenginethread.h"
+#include <utils/logger.h>
+#include <audio/audioengine.h>
+
+AudioEngineThread::AudioEngineThread( QObject *parent )
+    : QThread( parent )
+{
+    tDebug() << Q_FUNC_INFO;
+}
+
+AudioEngineThread::~AudioEngineThread()
+{
+    tDebug() << Q_FUNC_INFO;
+}
+
+void
+AudioEngineThread::AudioEngineThread::run()
+{
+    m_audioEngine = QWeakPointer< AudioEngine >( new AudioEngine() );
+    exec();
+    if( !m_audioEngine.isNull() )
+        delete m_audioEngine.data();
+}

src/libtomahawk/audio/audioenginethread.h

@@ -0,0 +1,44 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
+ *
+ *   Tomahawk is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Tomahawk is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Tomahawk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef AUDIOENGINETHREAD_H
+#define AUDIOENGINETHREAD_H
+
+#include <QtCore/QObject>
+#include <QtCore/QThread>
+#include <QtCore/QWeakPointer>
+
+#include "dllmacro.h"
+
+class AudioEngine;
+
+class DLLEXPORT AudioEngineThread : public QThread
+{
+    Q_OBJECT
+
+public:
+    AudioEngineThread( QObject *parent = 0 );
+    virtual ~AudioEngineThread();
+
+    void run();
+
+private:
+    QWeakPointer< AudioEngine > m_audioEngine;
+};
+
+#endif // AUDIOENGINETHREAD_H

src/tomahawkapp.cpp

@@ -21,14 +21,15 @@
 
 #include <iostream>
 
-#include <QPluginLoader>
-#include <QDir>
-#include <QMetaType>
-#include <QTime>
-#include <QNetworkReply>
-#include <QFile>
-#include <QFileInfo>
-#include <QNetworkProxy>
+#include <QtCore/QPluginLoader>
+#include <QtCore/QDir>
+#include <QtCore/QMetaType>
+#include <QtCore/QTime>
+#include <QtNetwork/QNetworkReply>
+#include <QtCore/QFile>
+#include <QtCore/QFileInfo>
+#include <QtNetwork/QNetworkProxy>
+#include <QtCore/QThread>
 
 #include "actioncollection.h"
 #include "artist.h"
@@ -57,6 +58,7 @@
 #include "EchonestCatalogSynchronizer.h"
 
 #include "audio/audioengine.h"
+#include "audio/audioenginethread.h"
 #include "utils/xspfloader.h"
 #include "utils/jspfloader.h"
 #include "utils/logger.h"
@@ -70,7 +72,7 @@
     #include "AtticaManager.h"
     #include "tomahawkwindow.h"
     #include "settingsdialog.h"
-    #include <QMessageBox>
+    #include <QtGui/QMessageBox>
     #include "widgets/HeaderLabel.h"
 
 #endif
@@ -165,7 +167,9 @@ TomahawkApp::init()
     // Cause the creation of the nam, but don't need to address it directly, so prevent warning
     Q_UNUSED( TomahawkUtils::nam() );
 
-    m_audioEngine = QWeakPointer<AudioEngine>( new AudioEngine );
+    m_audioEngineThread = QWeakPointer< AudioEngineThread >( new AudioEngineThread( this ) );
+    m_audioEngineThread.data()->start( QThread::HighPriority );
+    
     m_scanManager = QWeakPointer< ScanManager >( new ScanManager( this ) );
     new Pipeline( this );
 
@@ -198,16 +202,17 @@ TomahawkApp::init()
 #endif
 
     // Connect up shortcuts
-    if ( !m_shortcutHandler.isNull() )
+    if ( !m_shortcutHandler.isNull() && AudioEngine::instance() )
     {
-        connect( m_shortcutHandler.data(), SIGNAL( playPause() ), m_audioEngine.data(), SLOT( playPause() ) );
-        connect( m_shortcutHandler.data(), SIGNAL( pause() ), m_audioEngine.data(), SLOT( pause() ) );
-        connect( m_shortcutHandler.data(), SIGNAL( stop() ), m_audioEngine.data(), SLOT( stop() ) );
-        connect( m_shortcutHandler.data(), SIGNAL( previous() ), m_audioEngine.data(), SLOT( previous() ) );
-        connect( m_shortcutHandler.data(), SIGNAL( next() ), m_audioEngine.data(), SLOT( next() ) );
-        connect( m_shortcutHandler.data(), SIGNAL( volumeUp() ), m_audioEngine.data(), SLOT( raiseVolume() ) );
-        connect( m_shortcutHandler.data(), SIGNAL( volumeDown() ), m_audioEngine.data(), SLOT( lowerVolume() ) );
-        connect( m_shortcutHandler.data(), SIGNAL( mute() ), m_audioEngine.data(), SLOT( mute() ) );
+        AudioEngine* audioEngine = AudioEngine::instance();
+        connect( m_shortcutHandler.data(), SIGNAL( playPause() ), audioEngine, SLOT( playPause() ) );
+        connect( m_shortcutHandler.data(), SIGNAL( pause() ), audioEngine, SLOT( pause() ) );
+        connect( m_shortcutHandler.data(), SIGNAL( stop() ), audioEngine, SLOT( stop() ) );
+        connect( m_shortcutHandler.data(), SIGNAL( previous() ), audioEngine, SLOT( previous() ) );
+        connect( m_shortcutHandler.data(), SIGNAL( next() ), audioEngine, SLOT( next() ) );
+        connect( m_shortcutHandler.data(), SIGNAL( volumeUp() ), audioEngine, SLOT( raiseVolume() ) );
+        connect( m_shortcutHandler.data(), SIGNAL( volumeDown() ), audioEngine, SLOT( lowerVolume() ) );
+        connect( m_shortcutHandler.data(), SIGNAL( mute() ), audioEngine, SLOT( mute() ) );
     }
 
     tDebug() << "Init InfoSystem.";
@@ -293,8 +298,14 @@ TomahawkApp::~TomahawkApp()
     if ( !m_scanManager.isNull() )
         delete m_scanManager.data();
 
-    if ( !m_audioEngine.isNull() )
-        delete m_audioEngine.data();
+    if ( AudioEngine::instance() )
+    {
+        m_audioEngineThread.data()->quit();
+        m_audioEngineThread.data()->wait( 60000 );
+        
+        delete m_audioEngineThread.data();
+        m_audioEngineThread.clear();
+    }
 
     if ( !m_infoSystem.isNull() )
         delete m_infoSystem.data();

src/tomahawkapp.h

@@ -24,11 +24,11 @@
 #include "headlesscheck.h"
 #include "config.h"
 
-#include <QRegExp>
-#include <QFile>
-#include <QSettings>
-#include <QDir>
-#include <QPersistentModelIndex>
+#include <QtCore/QRegExp>
+#include <QtCore/QFile>
+#include <QtCore/QSettings>
+#include <QtCore/QDir>
+#include <QtCore/QPersistentModelIndex>
 
 #include "QxtHttpServerConnector"
 #include "QxtHttpSessionManager"
@@ -38,6 +38,7 @@
 #include "utils/tomahawkutils.h"
 #include "thirdparty/kdsingleapplicationguard/kdsingleapplicationguard.h"
 
+class AudioEngineThread;
 class AudioEngine;
 class Database;
 class ScanManager;
@@ -113,7 +114,7 @@ private:
 
     QWeakPointer<Database> m_database;
     QWeakPointer<ScanManager> m_scanManager;
-    QWeakPointer<AudioEngine> m_audioEngine;
+    QWeakPointer<AudioEngineThread> m_audioEngineThread;
     QWeakPointer<Servent> m_servent;
     QWeakPointer<Tomahawk::InfoSystem::InfoSystem> m_infoSystem;
     QWeakPointer<XMPPBot> m_xmppBot;