KisLibavEncoderContext Class Reference

#include <KisLibavEncoderContext.h>

Inheritance diagram for KisLibavEncoderContext:

Public Member Functions
bool	convertFrame (QImage &inOutImage, AVPixelFormat &outPixelFormat) const
SwsContext *	getSwsContextFor (int inputWidth, int inputHeight, AVPixelFormat inputFormat, int outputWidth, int outputHeight, AVPixelFormat outputFormat, int flags)
int	getSwsFlags (const QString &scaleFilter) const
	KisLibavEncoderContext (QString *outErrorMessage=nullptr)
void	setErrorMessage (const QString &errorMessage)
void	setInternalErrorMessage (const QString &detail)
virtual	~KisLibavEncoderContext ()

Private Attributes
QString *	m_outErrorMessage
SwsContext *	m_swsContext = nullptr

Detailed Description

Definition at line 20 of file KisLibavEncoderContext.h.

Constructor & Destructor Documentation

KisLibavEncoderContext()

KisLibavEncoderContext::KisLibavEncoderContext ( QString * outErrorMessage = nullptr )

inlineexplicit

Definition at line 24 of file KisLibavEncoderContext.h.

        : m_outErrorMessage(outErrorMessage)
    {
    }

~KisLibavEncoderContext()

virtual KisLibavEncoderContext::~KisLibavEncoderContext ( )

inlinevirtual

Definition at line 29 of file KisLibavEncoderContext.h.

    {
        sws_freeContext(m_swsContext);
    };

References m_swsContext.

Member Function Documentation

convertFrame()

bool KisLibavEncoderContext::convertFrame ( QImage & inOutImage, AVPixelFormat & outPixelFormat ) const

inline

Definition at line 34 of file KisLibavEncoderContext.h.

    {
        switch (inOutImage.format()) {
        case QImage::Format_RGB32:
            outPixelFormat = AV_PIX_FMT_BGR0;
            break;
        case QImage::Format_ARGB32:
            outPixelFormat = AV_PIX_FMT_BGRA;
            break;
        default:
            // The above are the only formats I can get the the recorder to
            // produce, so I'm not gonna get experimental with this.
            outPixelFormat = AV_PIX_FMT_BGRA;
            inOutImage = inOutImage.convertToFormat(QImage::Format_ARGB32);
            if (inOutImage.isNull()) {
                warnFile << "Frame conversion from" << inOutImage.format() << "failed";
                return false;
            }
            break;
        }
        return true;
    }

References warnFile.

getSwsContextFor()

SwsContext * KisLibavEncoderContext::getSwsContextFor ( int inputWidth, int inputHeight, AVPixelFormat inputFormat, int outputWidth, int outputHeight, AVPixelFormat outputFormat, int flags )

inline

Definition at line 76 of file KisLibavEncoderContext.h.

    {
        return sws_getCachedContext(m_swsContext,
                                    inputWidth,
                                    inputHeight,
                                    inputFormat,
                                    outputWidth,
                                    outputHeight,
                                    outputFormat,
                                    flags,
                                    nullptr,
                                    nullptr,
                                    nullptr);
    }

References m_swsContext.

getSwsFlags()

int KisLibavEncoderContext::getSwsFlags ( const QString & scaleFilter ) const

inline

Definition at line 57 of file KisLibavEncoderContext.h.

    {
        // These are the values provided by KisDlgAnimationRenderer.
        if (scaleFilter.isEmpty() || scaleFilter == QStringLiteral("bilinear")) {
            return SWS_FAST_BILINEAR;
        } else if (scaleFilter == QStringLiteral("bicubic")) {
            return SWS_BICUBIC;
        } else if (scaleFilter == QStringLiteral("lanczos")) {
            return SWS_LANCZOS;
        } else if (scaleFilter == QStringLiteral("neighbor")) {
            return 0;
        } else if (scaleFilter == QStringLiteral("spline")) {
            return SWS_SPLINE;
        } else {
            warnFile.nospace() << "Unhandled scale filter '" << scaleFilter << "'";
            return SWS_FAST_BILINEAR;
        }
    }

References warnFile.

setErrorMessage()

void KisLibavEncoderContext::setErrorMessage ( const QString & errorMessage )

inline

Definition at line 105 of file KisLibavEncoderContext.h.

    {
        if (m_outErrorMessage) {
            *m_outErrorMessage = errorMessage;
        }
    }

References m_outErrorMessage.

setInternalErrorMessage()

void KisLibavEncoderContext::setInternalErrorMessage ( const QString & detail )

inline

Definition at line 97 of file KisLibavEncoderContext.h.

    {
        warnFile << "Media encoder error:" << detail;
        // Internal encoder errors are only really useful for developers,
        // so there's no point in translating them.
        setErrorMessage(i18n("Internal error (%1)", detail));
    }

References setErrorMessage(), and warnFile.

Member Data Documentation

m_outErrorMessage

QString* KisLibavEncoderContext::m_outErrorMessage

private

Definition at line 113 of file KisLibavEncoderContext.h.

m_swsContext

SwsContext* KisLibavEncoderContext::m_swsContext = nullptr

private

Definition at line 114 of file KisLibavEncoderContext.h.

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The documentation for this class was generated from the following file:

• libs/ui/animation/KisLibavEncoderContext.h