/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:    DisplaySink subsystem.

*

*/

#ifndef CDISPLAYSINKDSA_H

#define CDISPLAYSINKDSA_H

//  INCLUDE FILES

#include "CDisplaySink.h"

#include "TDisplaySinkParamsDSA.h"

// CLASS DECLARATION

/**

*  Displaysink implementation for Direct Screen access.

*

*  @lib displaysink.lib

*  @since Series 60 3.1

*/

NONSHARABLE_CLASS( CDisplaySinkDSA ) : public CDisplaySink,

    public MVtImageRotatorObserver

    {

public: // static constructor

    /**

    * Static constructor that may leave.

    */

    static CDisplaySinkDSA* NewL( TDisplaySinkParams& aParams,

        const TDesC8& aInitData );

private: // constructors and destructor

    /**

    * C++ default constructor.

    */

    CDisplaySinkDSA();

    /**

    * destructor

    */

    ~CDisplaySinkDSA();

private: // from CDisplaySink

    /**

    * @see CDisplaySink::BaseConstructL

    */

    void BaseConstructL( TDisplaySinkParams& aParams,

        const TDesC8& aInitData );

    /**

    * @see CDisplaySink::BaseConvert

    */

    TBool BaseConvert( const TVtMMFDataBuffer& aBuffer );

    /**

    * @see CDisplaySink::BaseSinkThreadLogonL

    */

    void BaseSinkThreadLogonL();

    /**

    * @see CDisplaySink::BaseSinkThreadLogoff

    */

    void BaseSinkThreadLogoff();

    /**

    * @see CDisplaySink::BaseUpdateSinkParamsL

    */

    void BaseUpdateSinkParamsL( const TDisplaySinkParams& aParams );

    /**

    * @see CDisplaySink::BaseDoUpdateParamsL

    */

    void BaseDoUpdateParamsL();

    /**

    * @see CDisplaySink::BaseDoUpdateParamsL

    */

    void BaseSetVideoFrameSizeL( const TSize& aSize );

    /**

    * @see CDisplaySink::BaseSizesMatch

    */

    TBool BaseSizesMatch( const TSize& aSize );

    /**

    * @see CDisplaySink::BitmapEntry

    */

    TBitmapEntry& BitmapEntry( TInt aIndex );

    /**

    * @see CDisplaySink::BaseEmptyBufferL

    */

    void BaseEmptyBufferL( TVtMMFDataBuffer& aVTMMFBuffer );

    /**

    * @see CDisplaySink::BaseSetBitmapAvailable

    */

    void BaseSetBitmapAvailable( TBitmapNo aBitmapNo );

    /**

    * @see CDisplaySink::BaseVideoFrameSizeChangedL

    */

    void BaseVideoFrameSizeChangedL( const TSize& aNewSize );

private: // from MVtImageRotatorObserver

    /**

    * @see MVtImageRotatorObserver::RotationFinished

    */

    void RotationFinished( TInt aError );

private: // new methods

    /**

    * Updates expected frame size.

    * @exception May leave with KErrNotSupported, if bitmap sizes do not match.

    */

    void UpdateExpectedFrameSizeL();

    /**

    * Converts image. Calls DoConvertL() to do the task.

    * @param "aBitmapNo" CFbsBitmap number to use for converted image.

    * @param "aConverted" Reference to boolean that will be ETrue if buffer

    * was converted, EFalse otherwise.

    * @return KErrNone or one of the system wide error codes.

    */

    void ConvertL( const TPtrC8& aBuffer, TBool& aConverted );

    /**

    * Convert YUV420Planar image to a CFbsBitmap.

    * @param "aBitmapNo" CFbsBitmap number to use for converted image.

    * @return KErrNone or one of the system wide error codes.

    */

    void DoConvertL( const TPtrC8& aBuffer, TBitmapNo aBitmapNo );

private: // new classes

    // Class containing bitmap related data

    class TBitmapEntryDSA : public TBitmapEntry

        {

    public: // data

        // Handle to target bitmap

        TInt iHandle; // QCIF

        };

private: // data

    // Array of bitmap related structures

    TBitmapEntryDSA iBitmapTable[ KBitmapTableCount ];

    // Converter for bitmap 1, created into Protocol thread's heap

    CVTYUVFbsBitmapConverter* iYUVBitmapConverter1; // owned

    // Converter for bitmap 2, created into Protocol thread's heap

    CVTYUVFbsBitmapConverter* iYUVBitmapConverter2; // owned

    // Converter for bitmap, created into VT thread's heap

    CVTYUVFbsBitmapConverter* iYUVBitmapConverterVT;

    // Pointer to image rotator instance.

    CVtImageRotator* iRotator; // owned

    // Source YUV image for image transforms

    CVtImageIYUV* iSourceImg;

    // Target YUV image for image transforms

    CVtImageIYUV* iTargetImg;

    // Rotation angle

    CVtImageRotator::TRotationAngle iRotationAngle;

    // Store for saving new parameters in UpdateSinkParamsL() call

    TDisplaySinkParamsDSA iNewParams;

    };

#endif // CDISPLAYSINKDSA_H

// End of File