// 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:

// src\Plugin\HwDevice\Audio\MmfBtPcmU8ToPcm16HwDevice.h

// 

//

#ifndef __MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__

#define __MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__

#include <mmfbtswcodecwrapper.h>

#include "MmfBtAudioCodec.h"

#include "MMFAudioU8ToS16PcmCodec.h"

const TInt KPCMU8ToPCM16SourceBufferSize = 0x0800;

const TInt KPCMU8ToPCM16SinkBufferSize   = 0x1000; //sink buffer length is twice source

/*

* 

* class CMMFPcmU8ToPcm16HwDevice

*

*/

class CMMFPcmU8ToPcm16HwDevice : public CMMFSwCodecWrapper

	{

public:

	static  CMMFPcmU8ToPcm16HwDevice* NewL();

	virtual CMMFSwCodec& Codec();

    ~CMMFPcmU8ToPcm16HwDevice(); 

private:

	void ConstructL();

	};

/*

*

* class CMMFPcmU8ToPcm16Codec converts Pcm 8 unsigned to Pcm16

*

*/

class CMMFPcmU8ToPcm16Codec : public CMMFSwCodec

	{

public:

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

	virtual TUint SourceBufferSize() {return KPCMU8ToPCM16SourceBufferSize;};

	virtual TUint SinkBufferSize() {return KPCMU8ToPCM16SinkBufferSize;};

private:

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

private:

	TMMFAudioU8ToS16PcmCodec iAudioU8ToS16Pcm ;

	};

#endif //__MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__