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/*
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* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef LOGICALAUDIOCODEC_H
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#define LOGICALAUDIOCODEC_H
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#include <e32base.h>
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#include <a3f/a3f_trace_utils.h>
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#include <a3f/a3fbase.h>
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#include <a3f/maudiocodec.h>
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#include "componentparameters.h"
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#include "audioprocessingunit.h"
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#include "mconfigurationhelper.h"
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// Remove when the MMRC server is ready
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#include "maudiocodecadaptationobserver.h"
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class MLogicalSettingObserver;
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class MAudioProcessingUnitObserver;
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class MConfigurationHelper;
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/**
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This is the reference implementation of MAudioCodec API.
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@lib logicalaudiocodec.lib
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*/
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NONSHARABLE_CLASS(CLogicalAudioCodec) : public CAudioProcessingUnit,
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public MAudioCodec,
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public MAudioCodecAdaptationObserver
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{
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friend class CAudioContext;
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friend class CLogicalAudioStream;
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public:
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/**
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Create a new instance.
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*/
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static CLogicalAudioCodec* NewL(TAny* aParam);
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/**
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Destructor.
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Deletes all objects and releases all resource owned by this instance.
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*/
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virtual ~CLogicalAudioCodec();
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// from base class MAudioCodec
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TInt SetFormat(TUid aFormat);
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TInt SetSampleRate(TInt aSampleRate);
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TInt SetMode(TUid aMode);
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TInt GetSupportedSamplesRates(RArray<TInt>& aSupportedRates);
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TInt GetSupportedModes(RArray<TUid>& aSupportedModes);
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TInt RegisterAudioCodecObserver(MAudioCodecObserver& aObserver);
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void UnregisterAudioCodecObserver(MAudioCodecObserver& aObserver);
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// Override just this
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TBool IsTypeOf(TUid aTypeId) const;
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TAny* Interface(TUid aType);
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// from MAudioCodecAdaptationObserver
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void AllBuffersProcessed();
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void ProcessingUnitError(TInt aError);
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void GetSupportedAModesComplete(TInt aError);
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void GetSupportedARatesComplete(TInt aError);
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private:
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/**
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Second phase constructor
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*/
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void ConstructL();
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/**
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Constructor
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*/
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CLogicalAudioCodec(TAny* aParam);
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protected: // data
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// Format uid
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TUid iFormat;
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TInt iSampleRateConfig;
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TUid iModeConfig;
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RPointerArray<MAudioCodecObserver> iAudioCodecObserver;
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MConfigurationHelper* iAdaptationStream;
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};
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#endif // LOGICALAUDIOCODEC_H
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