1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 #ifndef PULOADER_H

    18 #define PULOADER_H

    19 

    20 #include <mdf/mdfpuloader.h>

    21 

    22 class TFourCC;

    23 

    24 /*

    25 ECom plugin for the utility class used by the HwDevice to load Processing Units.

    26 */

    27 class CPuLoader : public CMdfPuLoader

    28 	{

    29 public:

    30 	static CPuLoader* NewL();

    31 	

    32 	CMdfProcessingUnit* LoadProcessingUnitL(const MMdfProcessingUnitObserver& aProcessingUnitObserver, 

    33 		TUid aImplementationUid);   

    34 		

    35 	CMdfProcessingUnit* LoadProcessingUnitL( const MMdfProcessingUnitObserver& aProcessingUnitObserver, 

    36 		TFourCC aSrcDataType, TFourCC aDestDataType);

    37 	

    38 	CMdfProcessingUnit* LoadProcessingUnitL( const MMdfProcessingUnitObserver& aProcessingUnitObserver, 

    39 		const TDesC8& aSrcDataType, const TDesC8& aDestDataType, const TUid& aImplementationType);

    40 		

    41 	TInt TunnelSetup(MMdfOutputPort& aOutputPort, MMdfInputPort& aInputPort);

    42 	

    43 	void UnloadProcessingUnit(CMdfProcessingUnit*& aPu);

    44 	virtual ~CPuLoader();

    45 

    46 protected:

    47 

    48 	CPuLoader();

    49 

    50 	/**

    51 	Standard ConstructL() method.

    52 	*/

    53 	void ConstructL();

    54 	};

    55 

    56 #endif // PULOADER_H