diff -r 33a5d2bbf6fc -r 73a1feb507fb tsrc/musenginestub/inc/musengtwowaysessionobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tsrc/musenginestub/inc/musengtwowaysessionobserver.h	Tue Aug 31 15:12:07 2010 +0300
@@ -0,0 +1,43 @@
+/*
+* Copyright (c) 2007 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 MUSHENGTWOWAYSESSIONOBSERVER_H
+#define MUSHENGTWOWAYSESSIONOBSERVER_H
+
+
+
+// CLASS DECLARATION
+
+/**
+*  An interface to be implemented by clients of Multimedia Sharing Engine if 
+*  they wish to receive two-way sharing specific events.
+*/
+class MMusEngTwoWaySessionObserver
+    {
+    
+    public:
+    
+      /**    
+    	* Indicates that video receiving state has changed
+    	* @param aReceivingVideo, ETrue if receiving, EFalse if not receiving
+    	*/
+    	virtual void ReceivingStateChanged( TBool aReceivingVideo ) = 0;
+		
+    };
+
+#endif
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