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diff --git a/src/3rdparty/phonon/ds9/backendnode.h b/src/3rdparty/phonon/ds9/backendnode.h
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+++ b/src/3rdparty/phonon/ds9/backendnode.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_BACKENDNODE_H
+#define PHONON_BACKENDNODE_H
+
+#include "phononds9_namespace.h"
+
+#include <QtCore/QObject>
+#include <QtCore/QVector>
+
+#include "compointer.h"
+
+QT_BEGIN_NAMESPACE
+
+
+
+namespace Phonon
+{
+    namespace DS9
+    {
+        class MediaObject;
+        typedef ComPointer<IPin> InputPin;
+        typedef ComPointer<IPin> OutputPin;
+        typedef ComPointer<IBaseFilter> Filter;
+        typedef ComPointer<IGraphBuilder> Graph;
+
+        class BackendNode : public QObject
+        {
+            Q_OBJECT
+
+        public:
+            BackendNode(QObject *parent);
+            virtual ~BackendNode();
+
+            MediaObject *mediaObject() const {return m_mediaObject;}
+
+            static QList<InputPin> pins(const Filter &, PIN_DIRECTION);
+
+            Filter filter(int index) const { return m_filters[index]; }
+            //add a pointer to the base Media Object (giving access to the graph and error management)
+            void setMediaObject(MediaObject *mo);
+
+            //called by the connections to tell the node that it's been connection to anothe one through its 'inpin' input port
+            virtual void connected(BackendNode *, const InputPin& inpin) {}
+
+            private Q_SLOTS:
+                void mediaObjectDestroyed();
+
+        protected:
+            Filter m_filters[FILTER_COUNT];
+            MediaObject *m_mediaObject;
+        };
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif