diff -r 000000000000 -r bde4ae8d615e os/mm/devsound/devsoundrefplugin/src/plugin/audio/mmfpcmU16TopcmS16HwDevice.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/devsound/devsoundrefplugin/src/plugin/audio/mmfpcmU16TopcmS16HwDevice.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,62 @@
+/*
+* Copyright (c) 2002-2003 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:
+*
+*/
+
+#ifndef __MMF_PCMU16_TO_PCM16_HW_DEVICE_H__
+#define __MMF_PCMU16_TO_PCM16_HW_DEVICE_H__
+
+#include <mmf/server/mmfswcodecwrapper.h>
+#include "MMFAudioCodec.h"
+#include "MMFAudioU16ToS16PcmCodec.h"
+
+
+const TInt KPCMU16ToPCM16SourceBufferSize = 0x1000;
+const TInt KPCMU16ToPCM16SinkBufferSize = KPCMU16ToPCM16SourceBufferSize; 
+
+/*
+*
+* class CMMFPcmU16ToPcm16HwDevice
+*
+*/
+class CMMFPcmU16ToPcm16HwDevice : public CMMFSwCodecWrapper
+	{
+public:
+	static  CMMFPcmU16ToPcm16HwDevice* NewL();
+	virtual CMMFSwCodec& Codec();
+    ~CMMFPcmU16ToPcm16HwDevice(); 
+private:
+	void ConstructL();
+	};
+
+/*
+*
+* class CMMFPcmU16ToPcm16Codec converts Pcm16 Unsigned to Pcm16
+*
+*/
+class CMMFPcmU16ToPcm16Codec : public CMMFSwCodec
+	{
+public:
+	virtual TCodecProcessResult ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest);
+	virtual TUint SourceBufferSize() {return KPCMU16ToPCM16SourceBufferSize;};
+	virtual TUint SinkBufferSize() {return KPCMU16ToPCM16SourceBufferSize;};
+private:
+	TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer );
+private:
+	TMMFAudioU16ToS16PcmCodec iAudioU16ToS16Pcm ;
+	};
+
+#endif //__MMF_PCMU16_TO_PCM16_HW_DEVICE_H__
+