// Copyright (c) 2006-2009 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:

// omxinputport.h

// 

//

#ifndef OMXINPUTPORTBODY_H

#define OMXINPUTPORTBODY_H

#include <omxprocessingunit.h>

#include <omxinputport.h>

class MMdfOutputPort;

class MMdfOutputPortObserver;

class COmxProcessingUnit;

class CMMFBuffer;

/**

Base class for OpenMAX Input Ports.

*/

class COmxInputPort::CBody : public CBase,

					public MOmxInputPortCallbacks

	{

public:

	static CBody* NewL(TInt aPortIndex, COmxProcessingUnit* aComponent, COmxInputPort* aParent);

	// from MMdfInputPort

	TInt MipConfigure(const TPuConfig&  aConfiguration);

	TInt MipGetConfig(TPuConfig& aConfigurationSetup);

	void MipInitialize();

	void MipSetObserver(const MMdfInputPortObserver& aInputPortObserver);

	CMMFBuffer* MipCreateBuffer(TInt aBufferSize);

	TInt MipUseBuffer(CMMFBuffer& aBuffer);

	TInt MipFreeBuffer(CMMFBuffer* aBuffer);

	TInt MipTunnelRequest(const MMdfOutputPort& aOutputPortToBeConnectedTo,

		TTunnelFlags& aTunnelFlags, TSupplierType& aSupplierType);

	void MipWriteData(CMMFBuffer& aBuffer);

	void MipDisconnectTunnel();

	void MipRestartTunnel();

	TBool MipIsTunnelled() const;

	TInt MipIndex() const;

	TUint32 MipBufferSize() const;

	TInt MipCreateCustomInterface(TUid aUid);

	TAny* MipCustomInterface(TUid aUid);

	// from MOmxInputPortCallbacks

	TInt EmptyBufferDone(OMX_HANDLETYPE aComponent, const CMMFBuffer* aBuffer);

	MMdfInputPortObserver* Observer() const;

	COmxProcessingUnit* Component() const;

private:

	CBody(TInt aPortIndex, COmxProcessingUnit* aComponent, COmxInputPort* aParent);

private:

	TInt 					iPortIndex;

	TBool 					iConnectedPort;

	MMdfOutputPort* 		iPortConnectedTo;

	COmxProcessingUnit* 	iComponent;

	MMdfInputPortObserver*	iObserver;

	COmxInputPort* 			iParent;

	};

#endif // OMXINPUTPORTBODY_H