// 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:

//

#ifndef __MMF_PCMS16_TO_PCMS8_HW_DEVICE_H__

#define __MMF_PCMS16_TO_PCMS8_HW_DEVICE_H__

#include <mmf/server/mmfswcodecwrapper.h>

#include "MMFAudioCodec.h"

#include "MMFAudioPcmS16ToPcmS8Codec.h"

const TInt KPCM16ToPCM8SourceBufferSize = 0x1000;

const TInt KPCM16ToPCM8SinkBufferSize   = 0x800; 

/*

*

* class CMMFPcmS16ToPcmS8HwDevice

*

*/

class CMMFPcmS16ToPcmS8HwDevice: public CMMFSwCodecWrapper

	{

public:

	static  CMMFPcmS16ToPcmS8HwDevice* NewL();

	virtual CMMFSwCodec& Codec();

	~CMMFPcmS16ToPcmS8HwDevice(); 

private:

	void ConstructL();

	};

/*

*

* class CMMFPcmS16ToPcmS8Codec converts Pcms16 to Pcm 8 signed

*

*/

class CMMFPcmS16ToPcmS8Codec : public CMMFSwCodec

	{

public:

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

	virtual TUint SourceBufferSize() {return KPCM16ToPCM8SourceBufferSize;};

	virtual TUint SinkBufferSize() {return KPCM16ToPCM8SinkBufferSize;};

private:

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

private:

	TMMFAudioPcmS16ToPcmS8Codec iAudioPcmS16ToPcmS8;

	};

#endif //__MMF_PCMS16_TO_PCMS8_HW_DEVICE_H__