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diff --git a/src/3rdparty/phonon/ds9/backend.h b/src/3rdparty/phonon/ds9/backend.h
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+++ b/src/3rdparty/phonon/ds9/backend.h
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+/*  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_BACKEND_H
+#define PHONON_BACKEND_H
+
+#include "phononds9_namespace.h"
+#include <phonon/backendinterface.h>
+#include <phonon/phononnamespace.h>
+
+#include <QtCore/QList>
+
+#include "compointer.h"
+#include "backendnode.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+    namespace DS9
+    {
+        class AudioOutput;
+        class MediaObject;
+
+        typedef Phonon::ObjectDescriptionType ObjectDescriptionType;
+
+        class Backend : public QObject, public Phonon::BackendInterface
+        {
+            Q_OBJECT
+                Q_INTERFACES(Phonon::BackendInterface)
+        public:
+            Backend(QObject *parent = 0, const QVariantList & = QVariantList());
+            virtual ~Backend();
+
+            QObject *createObject(Phonon::BackendInterface::Class, QObject *parent, const QList<QVariant> &args);
+
+            bool supportsVideo() const;
+            QStringList availableMimeTypes() const;
+
+            QList<int> objectDescriptionIndexes(Phonon::ObjectDescriptionType type) const;
+            QHash<QByteArray, QVariant> objectDescriptionProperties(Phonon::ObjectDescriptionType type, int index) const;
+
+            bool connectNodes(QObject *, QObject *);
+            bool disconnectNodes(QObject *, QObject *);
+
+            //transaction management
+            bool startConnectionChange(QSet<QObject *>);
+            bool endConnectionChange(QSet<QObject *>);
+
+            Filter getAudioOutputFilter(int index) const;
+
+        Q_SIGNALS:
+            void objectDescriptionChanged(ObjectDescriptionType);
+
+        private:
+            class AudioMoniker : public ComPointer<IMoniker>
+            {
+            public:
+                bool operator==(const AudioMoniker &other);
+            };
+            mutable QVector<AudioMoniker> m_audioOutputs;
+            mutable QVector<CLSID> m_audioEffects;
+        };
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // PHONON_BACKEND_H