sl@0: // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H
sl@0: #define DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H
sl@0: 
sl@0: #include <mmf/devvideo/devvideobase.h>
sl@0: 
sl@0: /**
sl@0: KUidMmfVideoHwDeviceTunnel interface UID.
sl@0: 
sl@0: @publishedPartner
sl@0: @released
sl@0: */
sl@0: const TUid KUidMmfVideoHwDeviceTunnel = { 0x1028668C };
sl@0: 
sl@0: /**
sl@0: HwDevice Tunneling custom interface.
sl@0: Controllers or other DevVideo clients can use this interface in order to setup
sl@0: a tunnel from one HwDevice to another. For instance this would allow a video
sl@0: decoder to be tunneled to a video encoder for transcoding use cases.
sl@0: 
sl@0: Clients must query the HwDevice at both ends of the tunnel for the custom
sl@0: interface in order to ensure that both devices support tunneled operation.
sl@0: 
sl@0: @publishedPartner
sl@0: @released
sl@0: */
sl@0: class MMmfVideoHwDeviceTunnel
sl@0: 	{
sl@0: public:
sl@0: 	/**
sl@0: 	Get the instance of the HwDevice at this end of the tunnel.
sl@0: 
sl@0: 	@return The HwDevice instance
sl@0: 	*/
sl@0: 	virtual CMMFVideoHwDevice* MmvhdtHwDevice() = 0; 
sl@0: 
sl@0: 	/**
sl@0: 	Setup a tunnel to another HwDevice
sl@0: 
sl@0: 	@param aHwDevice The HwDevice to setup the tunnel to
sl@0: 	*/
sl@0: 	virtual void MmvhdtSetupTunnelL(CMMFVideoHwDevice* aHwDevice) = 0;
sl@0: 	};
sl@0: 
sl@0: #endif // DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H