1 // Copyright (c) 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 #ifndef DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H

    17 #define DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H

    18 

    19 #include <mmf/devvideo/devvideobase.h>

    20 

    21 /**

    22 KUidMmfVideoHwDeviceTunnel interface UID.

    23 

    24 @publishedPartner

    25 @released

    26 */

    27 const TUid KUidMmfVideoHwDeviceTunnel = { 0x1028668C };

    28 

    29 /**

    30 HwDevice Tunneling custom interface.

    31 Controllers or other DevVideo clients can use this interface in order to setup

    32 a tunnel from one HwDevice to another. For instance this would allow a video

    33 decoder to be tunneled to a video encoder for transcoding use cases.

    34 

    35 Clients must query the HwDevice at both ends of the tunnel for the custom

    36 interface in order to ensure that both devices support tunneled operation.

    37 

    38 @publishedPartner

    39 @released

    40 */

    41 class MMmfVideoHwDeviceTunnel

    42 	{

    43 public:

    44 	/**

    45 	Get the instance of the HwDevice at this end of the tunnel.

    46 

    47 	@return The HwDevice instance

    48 	*/

    49 	virtual CMMFVideoHwDevice* MmvhdtHwDevice() = 0; 

    50 

    51 	/**

    52 	Setup a tunnel to another HwDevice

    53 

    54 	@param aHwDevice The HwDevice to setup the tunnel to

    55 	*/

    56 	virtual void MmvhdtSetupTunnelL(CMMFVideoHwDevice* aHwDevice) = 0;

    57 	};

    58 

    59 #endif // DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H