diff -r 33a5d2bbf6fc -r 73a1feb507fb tsrc/musenginestub/inc/musengaudioroutingobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tsrc/musenginestub/inc/musengaudioroutingobserver.h	Tue Aug 31 15:12:07 2010 +0300
@@ -0,0 +1,53 @@
+/*
+* Copyright (c) 2005 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 MUSENGAUDIOROUTINGOBSERVER_H
+#define MUSENGAUDIOROUTINGOBSERVER_H
+
+
+// CLASS DECLARATION
+
+/**
+* An interface to be implemented by users of Multimedia Sharing Engine if 
+* they wish to be notified about changes in audio routing.
+*
+*/
+class MMusEngAudioRoutingObserver
+    {
+
+    public:
+
+        /**
+        * Indicates that some other application has changed audio routing.
+        * @param aShowNote ETrue if notification of current change should be
+        *        shown.
+        *
+        */
+        virtual void AudioRoutingChanged( TBool aShowNote ) = 0;
+
+        /**
+        * Observer is required to give information whether audio route change
+        * is allowed currently.
+        * @param ETrue if change is allowed, otherwise EFalse
+        *
+        */
+        virtual TBool AudioRouteChangeAllowed() const = 0;
+        
+    };
+
+#endif // INCLUDE GUARD
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