/*

* 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_PCM16_TO_MULAW_HW_DEVICE_H__

#define __MMF_PCM16_TO_MULAW_HW_DEVICE_H__

#include <mmf/server/mmfswcodecwrapper.h>

#include "MMFAudioCodec.h"

#include "MMFAudioSPcm16ToMuLawCodec.h"

const TInt KPCM16ToMuLawSrcBufferSize   = 0x2000;

const TInt KPCM16ToMuLawSinkBufferSize  = 0x1000;

/*

*

* CMMFPcm16ToMulawHwDevice 

*

*/

class CMMFPcm16ToMulawHwDevice : public CMMFSwCodecWrapper

	{	

public:

	static  CMMFPcm16ToMulawHwDevice* NewL();

	virtual CMMFSwCodec& Codec();

	~CMMFPcm16ToMulawHwDevice(); 

private:

	void ConstructL();

	};

/*

*

* class CMMFPcm16ToALawCodec coverts PCM16 to MuLaw

*  

*/

class CMMFPcm16ToMuLawCodec : public CMMFSwCodec

	{

public:

	virtual TCodecProcessResult ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest);

	virtual TUint SourceBufferSize() {return KPCM16ToMuLawSrcBufferSize;};

	virtual TUint SinkBufferSize() {return KPCM16ToMuLawSinkBufferSize;};

private:

	TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer );

private:

	TMMFAudioSPcm16ToMuLawCodec  iPcm16ToMuLaw;

	};

#endif  // __MMF_PCM16_TO_MULAW_HW_DEVICE_H__