/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description:  

*

*/

#include "VedVideoClipGenerator.h"

#include "VedMovieImp.h"

#include "VedVideoClip.h"

#include <e32std.h>

EXPORT_C CVedVideoClipGenerator::CVedVideoClipGenerator()

        : iVideoClip(0), iIsOwnedByVideoClip(EFalse), iMaximumFramerate(KVEdMaxFrameRate)

    {

    }

EXPORT_C CVedVideoClipGenerator::~CVedVideoClipGenerator()

    {

    }

EXPORT_C TBool CVedVideoClipGenerator::IsInserted() const

    {

    return (iVideoClip != 0);

    }

EXPORT_C CVedMovie* CVedVideoClipGenerator::Movie() const

    {

    __ASSERT_ALWAYS(iVideoClip != 0,

                    TVedPanic::Panic(TVedPanic::EVideoClipGeneratorNotInserted));

    return iVideoClip->Movie();

    }

EXPORT_C TInt CVedVideoClipGenerator::VideoClipIndex() const

    {

    __ASSERT_ALWAYS(iVideoClip != 0,

                    TVedPanic::Panic(TVedPanic::EVideoClipGeneratorNotInserted));

    return iVideoClip->Index();

    }

EXPORT_C TBool CVedVideoClipGenerator::IsOwnedByVideoClip() const

    {

    __ASSERT_ALWAYS(iVideoClip != 0,

                    TVedPanic::Panic(TVedPanic::EVideoClipGeneratorNotInserted));

    return iIsOwnedByVideoClip;

    }

void CVedVideoClipGenerator::SetVideoClip(CVedVideoClip& aVideoClip,

                                          TBool aIsOwnedByVideoClip)

    {

    __ASSERT_ALWAYS(iVideoClip == 0,

                    TVedPanic::Panic(TVedPanic::EVideoClipGeneratorAlreadyInserted));

    iVideoClip = &aVideoClip;

    iIsOwnedByVideoClip = aIsOwnedByVideoClip;

    }

EXPORT_C void CVedVideoClipGenerator::ReportDurationChanged() const

    {

    if (iVideoClip != 0)

        {

        iVideoClip->Movie()->RecalculateVideoClipTimings(iVideoClip);

        iVideoClip->Movie()->FireVideoClipTimingsChanged(iVideoClip->Movie(), iVideoClip);

        }

    }

EXPORT_C void CVedVideoClipGenerator::ReportSettingsChanged() const

    {

    if (iVideoClip != 0)

        {

        iVideoClip->Movie()->FireVideoClipGeneratorSettingsChanged(iVideoClip->Movie(), iVideoClip);

        }

    }

EXPORT_C void CVedVideoClipGenerator::ReportDescriptiveNameChanged() const

    {

    if (iVideoClip != 0)

        {

        iVideoClip->Movie()->FireVideoClipDescriptiveNameChanged(iVideoClip->Movie(), iVideoClip);

        }

    }

EXPORT_C TInt CVedVideoClipGenerator::CalculateFrameComplexityFactor(CFbsBitmap* /*aFrame*/) const

    {

    RDebug::Print(_L("CVedVideoClipGenerator::CalculateFrameComplexityFactor IN"));

    return 10;

    // Disabled since the calculation takes too long and is not very accurate

    /*if ( !aFrame ) 

        {

        return 0;

        }

    TInt height = aFrame->SizeInPixels().iHeight;

    TInt width = aFrame->SizeInPixels().iWidth;

    TInt numberOfPixels = height * width;

    TInt mean = 0;

    TInt y; 

    TInt x;

    for (y = 0; y < height; y++) 

        {

        for (x = 0; x < width; x++)

            {

            TRgb color;

            TPoint point(x, y);

            aFrame->GetPixel(color, point);

            mean += color.Green();   

            }

        }

    mean = (TInt)((TReal)mean/(TReal)numberOfPixels + 0.5);

    TInt moment = 0;

    TInt tmp;

    for (y = 0; y < height; y++) 

        {

        for (x = 0; x < width; x++)

            {

            TRgb color;

            TPoint point(x, y);

            aFrame->GetPixel(color, point);

            tmp = color.Green() - mean;

            if (tmp<0)

                tmp = -tmp;

            moment += tmp;

            }

        }

    moment = (TInt)((TReal)moment/(TReal)numberOfPixels + 0.5);

    moment *= 10;

    RDebug::Print(_L("CVedVideoClipGenerator::CalculateFrameComplexityFactor returning moment: %d"), moment);

    return moment;*/

    }

// End of file