tvout/tvoutengine/inc/glxactivedecoder.h
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/*
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* Copyright (c) 2008-2009 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:    This is the decoder class used to decode Images to HDMI quality.
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*
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*/
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#ifndef GLXACTIVEDECODER_H_
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#define GLXACTIVEDECODER_H_
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// INCLUDES
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#include <aknapp.h>
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#include <imageconversion.h>
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#include "glxhdmisurfaceupdater.h"
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// Fwd decleration
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class CImageDecoder;
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/**
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 * Class Description
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 * This is the decoder class used to decode Images to HDMI quality.
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 * 
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 * Clients should create an instance of this class from CGlxHdmiSurfaceUpdater , with an 
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 * instance of it and call ConvertImageL() with approprriate parameters
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 */        
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class CGlxHdmiDecoderAO : public CActive
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    {
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public:
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    /**
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     * NewL()
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     * @param CGlxHdmiSurfaceUpdater
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     * @return CGlxHdmiDecoderAO object
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     */
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    static CGlxHdmiDecoderAO* NewL(CGlxHdmiSurfaceUpdater* aHdmiSurfaceUpdater);
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    /**
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     * Destructor
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     */
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    ~CGlxHdmiDecoderAO();
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    /**
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     * ConvertImageL() 
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     * This calls the asyncronous service request to ICL convert
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     * @param - Destination Bitmap
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     * @param - Image decoder 
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     */
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    void ConvertImageL(CFbsBitmap& iBitmap,CImageDecoder* aDecoder);
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protected:/// from CActive
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    void RunL();
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    void DoCancel();
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private:
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    /**
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     * Constructor
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     */
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    CGlxHdmiDecoderAO(CGlxHdmiSurfaceUpdater* aHdmiSurfaceUpdater);
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    /// not owned
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    CGlxHdmiSurfaceUpdater* iHdmiSurfaceUpdater; 
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    /// Image decoder instance
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    CImageDecoder* iDecoder;
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    };
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#endif /* GLXACTIVEDECODER_H_ */