sl@0: // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef MAUDIOSTREAMADAPTATIONOBSERVER_H
sl@0: #define MAUDIOSTREAMADAPTATIONOBSERVER_H
sl@0: 
sl@0: 
sl@0: enum TPhysicalEvent
sl@0: 	{
sl@0: 	EOperationComplete,
sl@0: 	EOperationIncomplete, 
sl@0: 	};
sl@0: 
sl@0: // TO DO Use real Uid
sl@0: const TUid KUidAudioStreamAdaptationObserver = {0x102834D2};
sl@0: 
sl@0: class MAudioStreamAdaptationObserver
sl@0: 	{
sl@0: public:
sl@0: 	virtual void PhysicalAdaptationEvent(TPhysicalEvent aEvent, TInt aError) = 0;
sl@0: 	virtual void StateEvent(TInt aReason, TAudioState aNewState) = 0;
sl@0: 	virtual void AddProcessingUnitComplete(TUid aType, TInt aError) = 0;
sl@0: 	virtual void RemoveProcessingUnitComplete(TUid aType, TInt aError) = 0;
sl@0: 	virtual void ProcessingFinished() = 0;
sl@0: 	virtual void FlushComplete(TInt aError) = 0;
sl@0: 	};
sl@0: 
sl@0: #endif  // MAUDIOSTREAMADAPTATIONOBSERVER_H