1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmhais/a3facl/src/audiocodec/logicalaudiocodec.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,107 @@
1.4 +/*
1.5 +* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +
1.23 +#ifndef LOGICALAUDIOCODEC_H
1.24 +#define LOGICALAUDIOCODEC_H
1.25 +
1.26 +#include <e32base.h>
1.27 +#include <a3f/a3f_trace_utils.h>
1.28 +#include <a3f/a3fbase.h>
1.29 +#include <a3f/maudiocodec.h>
1.30 +
1.31 +#include "componentparameters.h"
1.32 +#include "audioprocessingunit.h"
1.33 +#include "mconfigurationhelper.h"
1.34 +
1.35 +// Remove when the MMRC server is ready
1.36 +#include "maudiocodecadaptationobserver.h"
1.37 +
1.38 +class MLogicalSettingObserver;
1.39 +class MAudioProcessingUnitObserver;
1.40 +class MConfigurationHelper;
1.41 +
1.42 +/**
1.43 + This is the reference implementation of MAudioCodec API.
1.44 + @lib logicalaudiocodec.lib
1.45 + */
1.46 +
1.47 +NONSHARABLE_CLASS(CLogicalAudioCodec) : public CAudioProcessingUnit,
1.48 + public MAudioCodec,
1.49 + public MAudioCodecAdaptationObserver
1.50 + {
1.51 +friend class CAudioContext;
1.52 +friend class CLogicalAudioStream;
1.53 +public:
1.54 + /**
1.55 + Create a new instance.
1.56 + */
1.57 + static CLogicalAudioCodec* NewL(TAny* aParam);
1.58 +
1.59 + /**
1.60 + Destructor.
1.61 + Deletes all objects and releases all resource owned by this instance.
1.62 + */
1.63 + virtual ~CLogicalAudioCodec();
1.64 +
1.65 + // from base class MAudioCodec
1.66 + TInt SetFormat(TUid aFormat);
1.67 + TInt SetSampleRate(TInt aSampleRate);
1.68 + TInt SetMode(TUid aMode);
1.69 + TInt GetSupportedSamplesRates(RArray<TInt>& aSupportedRates);
1.70 + TInt GetSupportedModes(RArray<TUid>& aSupportedModes);
1.71 + TInt RegisterAudioCodecObserver(MAudioCodecObserver& aObserver);
1.72 + void UnregisterAudioCodecObserver(MAudioCodecObserver& aObserver);
1.73 +
1.74 + // Override just this
1.75 + TBool IsTypeOf(TUid aTypeId) const;
1.76 + TAny* Interface(TUid aType);
1.77 +
1.78 + // from MAudioCodecAdaptationObserver
1.79 + void AllBuffersProcessed();
1.80 + void ProcessingUnitError(TInt aError);
1.81 + void GetSupportedAModesComplete(TInt aError);
1.82 + void GetSupportedARatesComplete(TInt aError);
1.83 +
1.84 +private:
1.85 +
1.86 + /**
1.87 + Second phase constructor
1.88 + */
1.89 + void ConstructL();
1.90 +
1.91 + /**
1.92 + Constructor
1.93 + */
1.94 + CLogicalAudioCodec(TAny* aParam);
1.95 +
1.96 +protected: // data
1.97 +
1.98 + // Format uid
1.99 +
1.100 + TUid iFormat;
1.101 +
1.102 + TInt iSampleRateConfig;
1.103 + TUid iModeConfig;
1.104 + RPointerArray<MAudioCodecObserver> iAudioCodecObserver;
1.105 +
1.106 + MConfigurationHelper* iAdaptationStream;
1.107 +
1.108 + };
1.109 +
1.110 +#endif // LOGICALAUDIOCODEC_H