// 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