/*

 * Copyright (c) 2004-2009 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 LOGICALAUDIOCODEC_H

 #define LOGICALAUDIOCODEC_H

 #include <e32base.h>

 #include <a3f/a3f_trace_utils.h>

 #include <a3f/a3fbase.h>

 #include <a3f/maudiocodec.h>

 #include "componentparameters.h"

 #include "audioprocessingunit.h"

 #include "mconfigurationhelper.h"

 // Remove when the MMRC server is ready

 #include "maudiocodecadaptationobserver.h"

 class MLogicalSettingObserver;

 class MAudioProcessingUnitObserver;

 class MConfigurationHelper;

 /**

 	This is the reference implementation of MAudioCodec API.

 	@lib logicalaudiocodec.lib

  */

 NONSHARABLE_CLASS(CLogicalAudioCodec) : public CAudioProcessingUnit,

 										public MAudioCodec,

 										public MAudioCodecAdaptationObserver

 	{

 friend class CAudioContext;

 friend class CLogicalAudioStream;

 public:

 	/**

 	Create a new instance.

 	*/

 	static CLogicalAudioCodec* NewL(TAny* aParam);

 	/**

 	Destructor.

 	Deletes all objects and releases all resource owned by this instance.

 	*/

 	virtual ~CLogicalAudioCodec();

 	// from base class MAudioCodec

 	TInt SetFormat(TUid aFormat);

 	TInt SetSampleRate(TInt aSampleRate);

 	TInt SetMode(TUid aMode);

 	TInt GetSupportedSamplesRates(RArray<TInt>& aSupportedRates);

 	TInt GetSupportedModes(RArray<TUid>& aSupportedModes);

 	TInt RegisterAudioCodecObserver(MAudioCodecObserver& aObserver);

 	void UnregisterAudioCodecObserver(MAudioCodecObserver& aObserver);

 	// Override just this

 	TBool IsTypeOf(TUid aTypeId) const;

 	TAny* Interface(TUid aType);

 	// from MAudioCodecAdaptationObserver

 	void AllBuffersProcessed();

 	void ProcessingUnitError(TInt aError);

 	void GetSupportedAModesComplete(TInt aError);

 	void GetSupportedARatesComplete(TInt aError);

 private:

 	/**

 	Second phase constructor

 	*/

 	void ConstructL();

 	/**

 	Constructor

 	*/

 	CLogicalAudioCodec(TAny* aParam);

 protected: // data

 	// Format uid

 	TUid	iFormat;

 	TInt				iSampleRateConfig;

 	TUid				iModeConfig;

 	RPointerArray<MAudioCodecObserver> iAudioCodecObserver;

 	MConfigurationHelper*		iAdaptationStream;

 	};

 #endif // LOGICALAUDIOCODEC_H