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diff --git a/src/3rdparty/phonon/qt7/audioconnection.h b/src/3rdparty/phonon/qt7/audioconnection.h
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+++ b/src/3rdparty/phonon/qt7/audioconnection.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_QT7_AudioConnection_H
+#define Phonon_QT7_AudioConnection_H
+
+#include <QtCore/QObject>
+#include "backendheader.h"
+
+#include <AudioToolbox/AudioToolbox.h>
+#include <AudioUnit/AudioUnit.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace QT7
+{
+    class MediaNode;
+    class AudioNode;
+    class AudioGraph;
+
+    class AudioConnection {
+    public:
+        AudioConnection();
+        AudioConnection(MediaNode *sink);
+        AudioConnection(MediaNode *source, int output, MediaNode *sink, int input);
+
+        AudioConnection(AudioNode *sink);
+        AudioConnection(AudioNode *source, int output, AudioNode *sink, int input);
+
+        ~AudioConnection();
+
+        bool connect(AudioGraph *graph);
+        bool disconnect(AudioGraph *graph);
+
+        bool updateStreamSpecification();
+        bool isBetween(MediaNode *source, MediaNode *sink);
+        bool isValid();
+        bool isSinkOnly();
+        void freeMemoryAllocations();
+        void invalidate();
+        
+        MediaNode *m_source;
+        AudioNode *m_sourceAudioNode;
+        int m_sourceOutputBus;
+
+        MediaNode *m_sink;
+        AudioNode *m_sinkAudioNode;
+        int m_sinkInputBus;
+
+        AudioChannelLayout *m_sourceChannelLayout;
+    	UInt32 m_sourceChannelLayoutSize;
+
+        AudioChannelLayout *m_sinkChannelLayout;
+    	UInt32 m_sinkChannelLayoutSize;
+
+        AudioStreamBasicDescription m_sourceStreamDescription;
+        AudioStreamBasicDescription m_sinkStreamDescription;
+
+        bool m_hasSourceSpecification;
+        bool m_hasSinkSpecification;
+        bool m_connected;
+    };
+
+}} // namespace Phonon::QT7
+
+QT_END_NAMESPACE
+
+#endif // Phonon_QT7_AudioConnection_H