diff -r 000000000000 -r 40261b775718 mmhais/videohai/devvideo/inc/devvideohwdevicetunnelcustominterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/videohai/devvideo/inc/devvideohwdevicetunnelcustominterface.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,59 @@
+// Copyright (c) 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 DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H
+#define DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H
+
+#include <mmf/devvideo/devvideobase.h>
+
+/**
+KUidMmfVideoHwDeviceTunnel interface UID.
+
+@publishedPartner
+@released
+*/
+const TUid KUidMmfVideoHwDeviceTunnel = { 0x1028668C };
+
+/**
+HwDevice Tunneling custom interface.
+Controllers or other DevVideo clients can use this interface in order to setup
+a tunnel from one HwDevice to another. For instance this would allow a video
+decoder to be tunneled to a video encoder for transcoding use cases.
+
+Clients must query the HwDevice at both ends of the tunnel for the custom
+interface in order to ensure that both devices support tunneled operation.
+
+@publishedPartner
+@released
+*/
+class MMmfVideoHwDeviceTunnel
+	{
+public:
+	/**
+	Get the instance of the HwDevice at this end of the tunnel.
+
+	@return The HwDevice instance
+	*/
+	virtual CMMFVideoHwDevice* MmvhdtHwDevice() = 0; 
+
+	/**
+	Setup a tunnel to another HwDevice
+
+	@param aHwDevice The HwDevice to setup the tunnel to
+	*/
+	virtual void MmvhdtSetupTunnelL(CMMFVideoHwDevice* aHwDevice) = 0;
+	};
+
+#endif // DEVVIDEOHWDEVICETUNNELCUSTOMINTERFACE_H