--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/refacladapt/src/shared/maudiostreamadaptationobserver.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,40 @@
+// Copyright (c) 2006-2009 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 MAUDIOSTREAMADAPTATIONOBSERVER_H
+#define MAUDIOSTREAMADAPTATIONOBSERVER_H
+
+
+enum TPhysicalEvent
+	{
+	EOperationComplete,
+	EOperationIncomplete, 
+	};
+
+// TO DO Use real Uid
+const TUid KUidAudioStreamAdaptationObserver = {0x102834D2};
+
+class MAudioStreamAdaptationObserver
+	{
+public:
+	virtual void PhysicalAdaptationEvent(TPhysicalEvent aEvent, TInt aError) = 0;
+	virtual void StateEvent(TInt aReason, TAudioState aNewState) = 0;
+	virtual void AddProcessingUnitComplete(TUid aType, TInt aError) = 0;
+	virtual void RemoveProcessingUnitComplete(TUid aType, TInt aError) = 0;
+	virtual void ProcessingFinished() = 0;
+	virtual void FlushComplete(TInt aError) = 0;
+	};
+
+#endif  // MAUDIOSTREAMADAPTATIONOBSERVER_H
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