--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/gstreamer/backend.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,101 @@
+/*  This file is part of the KDE project.
+
+    Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+    This library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 2.1 or 3 of the License.
+
+    This library 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef Phonon_GSTREAMER_BACKEND_H
+#define Phonon_GSTREAMER_BACKEND_H
+
+#include "common.h"
+#include "devicemanager.h"
+#include "medianode.h"
+
+#include <phonon/objectdescription.h>
+#include <phonon/backendinterface.h>
+
+#include <QtCore/QList>
+#include <QtCore/QPointer>
+#include <QtCore/QStringList>
+#include <QtCore/QTimer>
+
+#include <gst/gst.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace Gstreamer
+{
+class AudioOutput;
+class MediaNode;
+class MediaObject;
+class EffectManager;
+
+class Backend : public QObject, public BackendInterface
+{
+    Q_OBJECT
+    Q_INTERFACES(Phonon::BackendInterface)
+
+public:
+
+    enum DebugLevel {NoDebug, Warning, Info, Debug};
+    Backend(QObject *parent = 0, const QVariantList & = QVariantList());
+    virtual ~Backend();
+
+    DeviceManager* deviceManager() const;
+    EffectManager* effectManager() const;
+
+    QObject *createObject(BackendInterface::Class, QObject *parent, const QList<QVariant> &args);
+
+    bool isValid() const;
+    bool supportsVideo() const;
+    QStringList availableMimeTypes() const;
+
+    QList<int> objectDescriptionIndexes(ObjectDescriptionType type) const;
+    QHash<QByteArray, QVariant> objectDescriptionProperties(ObjectDescriptionType type, int index) const;
+
+    bool startConnectionChange(QSet<QObject *>);
+    bool connectNodes(QObject *, QObject *);
+    bool disconnectNodes(QObject *, QObject *);
+    bool endConnectionChange(QSet<QObject *>);
+
+    DebugLevel debugLevel() const;
+
+    void addBusWatcher(MediaObject* node);
+    void removeBusWatcher(MediaObject* node);
+    void logMessage(const QString &message, int priority = 2, QObject *obj=0) const;
+    bool checkDependencies() const;
+
+Q_SIGNALS:
+    void objectDescriptionChanged(ObjectDescriptionType);
+
+private Q_SLOTS:
+    void handleBusMessage(Message);
+
+private:
+    static gboolean busCall(GstBus *bus, GstMessage *msg, gpointer data);
+    QList<QPointer<AudioOutput> > m_audioOutputs;
+
+    DeviceManager *m_deviceManager;
+    EffectManager *m_effectManager;
+    DebugLevel m_debugLevel;
+    bool m_isValid;
+};
+}
+} // namespace Phonon::Gstreamer
+
+QT_END_NAMESPACE
+
+#endif // Phonon_GSTREAMER_BACKEND_H