/*

* Copyright (c) 2008-2009 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:

*

*/

/**

@file

@internalComponent

*/

#ifndef COMXILCLOCKPROCESSINGFUNCTION_H

#define COMXILCLOCKPROCESSINGFUNCTION_H

#include <openmax/il/common/omxilprocessingfunction.h>

#include "clocksupervisor.h"

#include "clockthreadnotifier.h"

class COmxILClockComponent;

class COmxILClockProcessingFunction : public COmxILProcessingFunction

	{

public:

	static COmxILClockProcessingFunction* NewL(MOmxILCallbackNotificationIf& aCallbacks, COmxILClockComponent& aComponent);

	~COmxILClockProcessingFunction();

	OMX_ERRORTYPE ProduceRequest(OMX_INDEXTYPE aIdx, CClockSupervisor::TEntryPoint aEntryPoint, TAny* pComponentConfigStructure);

	// from COmxILProcessingFunction

	OMX_ERRORTYPE StateTransitionIndication(TStateIndex aNewState);

	OMX_ERRORTYPE BufferFlushingIndication(TUint32 aPortIndex, OMX_DIRTYPE aDirection);

	OMX_ERRORTYPE ParamIndication(OMX_INDEXTYPE aParamIndex, const TAny* apComponentParameterStructure);

	OMX_ERRORTYPE ConfigIndication(OMX_INDEXTYPE aConfigIndex, const TAny* apComponentConfigStructure);

	OMX_ERRORTYPE BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection);

	OMX_BOOL BufferRemovalIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection);

	// used by CClockSupervisor

	OMX_BUFFERHEADERTYPE* AcquireBuffer(TInt aPortIndex);

	void SendBuffer(OMX_BUFFERHEADERTYPE* aBuffer);

	TBool PortEnabled(TInt aPortIndex) const;

	TBool IsExecuting() const;

	void InvalidateComponent();

private:

	COmxILClockProcessingFunction(MOmxILCallbackNotificationIf& aCallbacks, COmxILClockComponent& aComponent);

	void ConstructL();

	void DoBufferFlushingIndication(TUint32 aPortIndex);

private:

	CClockSupervisor* iClock;

	CClockThreadNotifier* iThreadNotifier;

	COmxILClockComponent& iComponent;

	RPointerArray<CCirBuf<OMX_BUFFERHEADERTYPE*> > iBufferQueues;

	RMutex iBufferMutex;

	TBool iExecuting;

  	};

#endif //COMXILCLOCKPROCESSINGFUNCTION_H