// Copyright (c) 2003-2009 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 __DEVVIDEOINTERNAL_H__

#define __DEVVIDEOINTERNAL_H__

#include <e32base.h>

#include <ecom/ecom.h>

/**

Static utilities class.

@internalComponent

*/

class DevVideoUtilities

	{

public:

	/** 

	Convert a text number into a real number using lexical analysis

	*/

	static TInt ConvertTextToTUint32(const TDesC8& aData, TUint32& aNumber);

	/**

	Inspect the plugin implementation information objects to see if the required pre/post proc type is supported. 

	If so, the UID of the plugin is appended to aMatchingPlugins

	*/

	static void MatchPrePostProcessorCapabilitiesL(const RImplInfoPtrArray& aPlugins, TUint32 aReqPrePostProcType, RArray<TUid>& aMatchingPlugins);

	/**

	Select a plug-in that supports the mime type. If a plug-in does not support the mime type it is removed

	from the array and deleted. Therefore after a call to this method "aImplInfoArray" contains only plug-in

	that support the supplied mime type or is null if none was found.

	*/

	static void SelectPluginBasedOnMatchType(const TDesC8& aMatchType, RImplInfoPtrArray& aImplInfoArray);

#ifdef SYMBIAN_MULTIMEDIA_CODEC_API

	static void FindVideoDecoderPluginsL(const TDesC8& aMimeType, RImplInfoPtrArray& aImplInfoArray);

	static void FindVideoEncoderPluginsL(const TDesC8& aMimeType, RImplInfoPtrArray& aImplInfoArray);

	static void CreatePuListL(RImplInfoPtrArray& aImplInfoArray);

	static const CImplementationInformation* FindPu(const RImplInfoPtrArray& aImplInfoArray, TUid aPuUid);

#endif // SYMBIAN_MULTIMEDIA_CODEC_API

	};

/** 

 * Template class CleanupResetAndDestroy to clean up the array

 * of implementation information from the cleanup stack.

 */

template <class T>

class CleanupResetAndDestroy

	{

public:

	inline static void PushL(T& aRef);

private:

	static void ResetAndDestroy(TAny *aPtr);

	};

template <class T>

inline void CleanupResetAndDestroyPushL(T& aRef);

template <class T>

inline void CleanupResetAndDestroy<T>::PushL(T& aRef)

	{CleanupStack::PushL(TCleanupItem(&ResetAndDestroy,&aRef));}

template <class T>

void CleanupResetAndDestroy<T>::ResetAndDestroy(TAny *aPtr)

	{(static_cast<T*>(aPtr))->ResetAndDestroy();}

template <class T>

inline void CleanupResetAndDestroyPushL(T& aRef)

	{CleanupResetAndDestroy<T>::PushL(aRef);}

#endif