diff -r 000000000000 -r bde4ae8d615e os/mm/mmlibs/mmfw/src/server/BaseClasses/mmfutilitiespriv.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/mmlibs/mmfw/src/server/BaseClasses/mmfutilitiespriv.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,56 @@
+// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// include\mmf\common\mmfutilitiespriv.h
+// 
+//
+
+#ifndef MMFUTILITIESPRIV_H
+#define MMFUTILITIESPRIV_H
+
+#include <mmf/common/mmfutilities.h>
+
+#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
+#include <mmf/common/mmfhelper.h>
+#endif
+
+
+class CChannelAndSampleRateConverter;
+
+/*
+version of CMMFChannelAndSampleRateConverter that is implemented as adaptor to 
+CChannelAndSampleRateConverter class
+*/
+NONSHARABLE_CLASS (CMMFForwardingChannelAndSampleRateConverter) : public CMMFChannelAndSampleRateConverter
+	{
+public:
+	static CMMFForwardingChannelAndSampleRateConverter* NewL(TInt aFromRate,TInt aFromChannels,
+										    			      TInt aToRate,TInt aToChannels);
+										    			     
+	~CMMFForwardingChannelAndSampleRateConverter();
+
+protected:
+	CMMFForwardingChannelAndSampleRateConverter();
+	void ConstructL(TInt aFromRate,TInt aFromChannels,
+					TInt aToRate,TInt aToChannels);
+					
+	// from CMMFChannelAndSampleRateConverter
+	TInt Convert(const CMMFDataBuffer& aSrcBuffer, CMMFDataBuffer& aDstBuffer);
+	void Reset();
+	TUint MaxConvertBufferSize(TUint aSrcBufferSize);
+	
+private:
+	CChannelAndSampleRateConverter* iRealConverter;
+	};
+
+#endif