// Copyright (c) 2005-2009 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 PCMPROCESSINGUNIT_H

#define PCMPROCESSINGUNIT_H

#include <e32std.h>

#include <e32base.h>

#include <omxprocessingunit.h>

class CPcmOutputPort;

class CPcmInputPort;

enum TPcmDataType

		{

		EPCM8,

		EPCMU8,

		EPCM16

		};

class CPcmProcessingUnit : public COmxProcessingUnit

	{

public:

	// entry points for each codec variant

	static CPcmProcessingUnit* NewP8P16L();

	static CPcmProcessingUnit* NewP16P8L();

	static CPcmProcessingUnit* NewPU8P16L();

	static CPcmProcessingUnit* NewP16PU8L();

	virtual TInt Create(const MMdfProcessingUnitObserver& aProcessingUnitObserver);

	virtual TInt Configure(const TPuConfig& aConfigurationSetup);

	virtual ~CPcmProcessingUnit();

private:

	CPcmProcessingUnit();

	void ConstructL(TPcmDataType aSrcDataType, TPcmDataType aDestDataType);

private:

	CPcmInputPort* 				iInputPort;

	CPcmOutputPort* 			iOutputPort;

	TPcmDataType				iSrcDataType;

	TPcmDataType				iDestDataType;

	};

#endif // PCMPROCESSINGUNIT_H