// 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