sl@0: /*
sl@0: * Copyright (c) 2004-2009 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: 
sl@0: 
sl@0: 
sl@0: #ifndef LOGICALAUDIOCODEC_H
sl@0: #define LOGICALAUDIOCODEC_H
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <a3f/a3f_trace_utils.h>
sl@0: #include <a3f/a3fbase.h>
sl@0: #include <a3f/maudiocodec.h>
sl@0: 
sl@0: #include "componentparameters.h"
sl@0: #include "audioprocessingunit.h"
sl@0: #include "mconfigurationhelper.h"
sl@0: 
sl@0: // Remove when the MMRC server is ready
sl@0: #include "maudiocodecadaptationobserver.h"
sl@0: 
sl@0: class MLogicalSettingObserver;
sl@0: class MAudioProcessingUnitObserver;
sl@0: class MConfigurationHelper;
sl@0: 
sl@0: /**
sl@0: 	This is the reference implementation of MAudioCodec API.
sl@0: 	@lib logicalaudiocodec.lib
sl@0:  */
sl@0: 
sl@0: NONSHARABLE_CLASS(CLogicalAudioCodec) : public CAudioProcessingUnit,
sl@0: 										public MAudioCodec,
sl@0: 										public MAudioCodecAdaptationObserver
sl@0: 	{
sl@0: friend class CAudioContext;
sl@0: friend class CLogicalAudioStream;
sl@0: public:
sl@0: 	/**
sl@0: 	Create a new instance.
sl@0: 	*/
sl@0: 	static CLogicalAudioCodec* NewL(TAny* aParam);
sl@0: 
sl@0: 	/**
sl@0: 	Destructor.
sl@0: 	Deletes all objects and releases all resource owned by this instance.
sl@0: 	*/
sl@0: 	virtual ~CLogicalAudioCodec();
sl@0: 
sl@0: 	// from base class MAudioCodec
sl@0: 	TInt SetFormat(TUid aFormat);
sl@0: 	TInt SetSampleRate(TInt aSampleRate);
sl@0: 	TInt SetMode(TUid aMode);
sl@0: 	TInt GetSupportedSamplesRates(RArray<TInt>& aSupportedRates);
sl@0: 	TInt GetSupportedModes(RArray<TUid>& aSupportedModes);
sl@0: 	TInt RegisterAudioCodecObserver(MAudioCodecObserver& aObserver);
sl@0: 	void UnregisterAudioCodecObserver(MAudioCodecObserver& aObserver);
sl@0: 
sl@0: 	// Override just this
sl@0: 	TBool IsTypeOf(TUid aTypeId) const;
sl@0: 	TAny* Interface(TUid aType);
sl@0: 
sl@0: 	// from MAudioCodecAdaptationObserver
sl@0: 	void AllBuffersProcessed();
sl@0: 	void ProcessingUnitError(TInt aError);
sl@0: 	void GetSupportedAModesComplete(TInt aError);
sl@0: 	void GetSupportedARatesComplete(TInt aError);
sl@0: 
sl@0: private:
sl@0: 
sl@0: 	/**
sl@0: 	Second phase constructor
sl@0: 	*/
sl@0: 	void ConstructL();
sl@0: 
sl@0: 	/**
sl@0: 	Constructor
sl@0: 	*/
sl@0: 	CLogicalAudioCodec(TAny* aParam);
sl@0: 
sl@0: protected: // data
sl@0: 
sl@0: 	// Format uid
sl@0: 
sl@0: 	TUid	iFormat;
sl@0: 
sl@0: 	TInt				iSampleRateConfig;
sl@0: 	TUid				iModeConfig;
sl@0: 	RPointerArray<MAudioCodecObserver> iAudioCodecObserver;
sl@0: 
sl@0: 	MConfigurationHelper*		iAdaptationStream;
sl@0: 
sl@0: 	};
sl@0: 
sl@0: #endif // LOGICALAUDIOCODEC_H