mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/awbaudioplaycontroller/Src/AWBAudioPlayControllerDecoder.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:08:46 +0200
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/*
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* Copyright (c) 2004 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:  This file defines the AWB Play Controller Decoder class.
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*
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*/
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#ifndef CAWBPLAYCONTROLLERDECODER_H
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#define CAWBPLAYCONTROLLERDECODER_H
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// INCLUDES
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#include "AdvancedAudioDecoder.h"
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// FORWARD DECLARATIONS
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class CMMFCodec;
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class TAudioFrameInfo;
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// CLASS DECLARATION
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/**
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*  This class defines the AWB play controller decoder.
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*
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*  @lib AWBAudioPlayController.lib
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*  @since 3.0
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*/
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class CAWBAudioPlayControllerDecoder : public CAdvancedAudioDecoder
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    {
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	public:  // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        */
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        static CAWBAudioPlayControllerDecoder* NewL();
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        /**
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        * Destructor.
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        */
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        virtual ~CAWBAudioPlayControllerDecoder();
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	public:   // Functions from base classes
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        /**
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		* From CAdvancedAudioDecoder
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	    * Check if the audio converter is hardware accelerated.
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	    * @since 3.0
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	    * @return ETrue if hardare accelerated, otherwise, EFalse.
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	    */
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        TBool IsHwAccelerated();
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		TCodecProcessResult ProcessL(CMMFBuffer& aSrc, CMMFBuffer& aDst);
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		TInt CodecConfig(RArray<TInt>& aCodecConfigData);
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		TInt CodecCmd(TCodecCmd aCmd);
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    private: // Functions from base classes
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		void ResetL();
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        /**
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        * C++ default constructor.
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        */
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        CAWBAudioPlayControllerDecoder();
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        /**
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        * By default Symbian 2nd phase constructor is private.
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        */
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        void ConstructL();
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		void InitCodecConfigs();
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		TInt FrameInfo(const TUint8* aBuf,TInt aBufLen,	TAudioFrameInfo& aInfo);
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		TInt SeekSync(TUint8* aBuf, TInt aBufLen);
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		TInt FrameLength(const TUint8* aBuf, TInt aBufLen, TInt& aFrameLength);
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	private:	// Data
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	};
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#endif 		// CAWBPLAYCONTROLLERDECODER_H
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