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C++ QVideoSurfaceFormat::frameSize方法代码示例

本文整理汇总了C++中QVideoSurfaceFormat::frameSize方法的典型用法代码示例。如果您正苦于以下问题：C++ QVideoSurfaceFormat::frameSize方法的具体用法？C++ QVideoSurfaceFormat::frameSize怎么用？C++ QVideoSurfaceFormat::frameSize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QVideoSurfaceFormat的用法示例。


在下文中一共展示了QVideoSurfaceFormat::frameSize方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: presentImage

bool myVideoPlayer::presentImage(const QImage &image)
{
	QVideoFrame frame(image);

	if (!frame.isValid())
		return false;

	QVideoSurfaceFormat currentFormat = surface->surfaceFormat();

	if (frame.pixelFormat() != currentFormat.pixelFormat()
		|| frame.size() != currentFormat.frameSize()) 
	{
		QVideoSurfaceFormat format(frame.size(), frame.pixelFormat());

		if (!surface->start(format))
			return false;
	}

	if (!surface->present(frame)) 
	{
		surface->stop();

		return false;
	} 
	else
	{
		return true;
	}
}
开发者ID:umbcdavincilab，项目名称:pathBubbles，代码行数:29，代码来源:VideoPlayer.cpp

示例2: isFormatSupported

bool QVideoSurfaceRasterPainter::isFormatSupported(
        const QVideoSurfaceFormat &format, QVideoSurfaceFormat *) const
{
    return format.handleType() == QAbstractVideoBuffer::NoHandle
            && m_imagePixelFormats.contains(format.pixelFormat())
            && !format.frameSize().isEmpty();
}
开发者ID:，项目名称:，代码行数:7，代码来源:

示例3: isFormatSupported

bool VideoWidgetSurface::isFormatSupported(const QVideoSurfaceFormat &format, QVideoSurfaceFormat *similar) const
{
    Q_UNUSED(similar);

    const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
    const QSize size = format.frameSize();

    return imageFormat != QImage::Format_Invalid && !size.isEmpty() && format.handleType() == QAbstractVideoBuffer::NoHandle;
}
开发者ID:yumechua，项目名称:ivp，代码行数:9，代码来源:videowidgetsurface.cpp

示例4: start

bool VideoSurface::start(const QVideoSurfaceFormat &format)
{
    if (isActive()) {
        stop();
    } else if (!format.frameSize().isEmpty()) {
        return QAbstractVideoSurface::start(format);
    }
    return false;
}
开发者ID:Adam-Strupczewski，项目名称:Reconstruction，代码行数:9，代码来源:videosurface.cpp

示例5: start

bool ChilitagsSurface::start(const QVideoSurfaceFormat &format) {
    QVideoSurfaceFormat outputFormat(format.frameSize(),
                                     QVideoFrame::Format_ARGB32);
    //if (m_videoSurface) {
    //    qDebug() << m_videoSurface->supportedPixelFormats();
    //    qDebug() << m_videoSurface->isFormatSupported(outputFormat);
    //    qDebug() << outputFormat;
    //}
    if (m_videoSurface) return m_videoSurface->start(outputFormat)
            && QAbstractVideoSurface::start(format);
    return QAbstractVideoSurface::start(format);
}
开发者ID:heejeongkim，项目名称:qimchi，代码行数:12，代码来源:chilitagssurface.cpp

示例6: start

QAbstractVideoSurface::Error QVideoSurfaceRasterPainter::start(const QVideoSurfaceFormat &format)
{
    m_frame = QVideoFrame();
    m_imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
    m_imageSize = format.frameSize();
    m_scanLineDirection = format.scanLineDirection();

    return format.handleType() == QAbstractVideoBuffer::NoHandle
            && m_imageFormat != QImage::Format_Invalid
            && !m_imageSize.isEmpty()
            ? QAbstractVideoSurface::NoError
            : QAbstractVideoSurface::UnsupportedFormatError;
}
开发者ID:，项目名称:，代码行数:13，代码来源:

示例7: start

bool MyVideoSurface::start(const QVideoSurfaceFormat &format)
{
    m_videoFormat = format;
    const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
    const QSize size = format.frameSize();

    if (imageFormat != QImage::Format_Invalid && !size.isEmpty()) {
        m_imageFormat = imageFormat;
        QAbstractVideoSurface::start(format);
        return true;
    } else {
        return false;
    }
}
开发者ID:Afreeca，项目名称:qt，代码行数:14，代码来源:cameraexample.cpp

示例8: foreach

QDebug operator<<(QDebug dbg, const QVideoSurfaceFormat &f)
{
    dbg.nospace() << "QVideoSurfaceFormat(" << f.pixelFormat();
    dbg.nospace() << ", " << f.frameSize();
    dbg.nospace() << ", viewport=" << f.viewport();
    dbg.nospace() << ", pixelAspectRatio=" << f.pixelAspectRatio();
    dbg.nospace() << ", handleType=" << f.handleType();
    dbg.nospace() << ", yCbCrColorSpace=" << f.yCbCrColorSpace();
    dbg.nospace() << ")";

    foreach(const QByteArray& propertyName, f.propertyNames())
        dbg << "\n    " << propertyName.data() << " = " << f.property(propertyName.data());

    return dbg.space();
}
开发者ID:SchleunigerAG，项目名称:WinEC7_Qt5.3.1_Fixes，代码行数:15，代码来源:qvideosurfaceformat.cpp

示例9: constructNull

void tst_QVideoSurfaceFormat::constructNull()
{
    QVideoSurfaceFormat format;

    QVERIFY(!format.isValid());
    QCOMPARE(format.handleType(), QAbstractVideoBuffer::NoHandle);
    QCOMPARE(format.pixelFormat(), QVideoFrame::Format_Invalid);
    QCOMPARE(format.frameSize(), QSize());
    QCOMPARE(format.frameWidth(), -1);
    QCOMPARE(format.frameHeight(), -1);
    QCOMPARE(format.viewport(), QRect());
    QCOMPARE(format.scanLineDirection(), QVideoSurfaceFormat::TopToBottom);
    QCOMPARE(format.frameRate(), 0.0);
    QCOMPARE(format.pixelAspectRatio(), QSize(1, 1));
    QCOMPARE(format.yCbCrColorSpace(), QVideoSurfaceFormat::YCbCr_Undefined);
}
开发者ID:，项目名称:，代码行数:16，代码来源:

示例10: start

bool VideoItem::start(const QVideoSurfaceFormat &format)
{
    if (isFormatSupported(format)) {
        imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
        imageSize = format.frameSize();
        framePainted = true;

        QAbstractVideoSurface::start(format);

        prepareGeometryChange();

        return true;
    } else {
        return false;
    }
}
开发者ID:RobertoMalatesta，项目名称:emscripten-qt，代码行数:16，代码来源:videoitem.cpp

示例11: start

bool AndroidVideoSurface::start(const QVideoSurfaceFormat &format)
{
    const QImage::Format m_imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
    const QSize size = format.frameSize();

    if (m_imageFormat != QImage::Format_Invalid && !size.isEmpty()) {
        this->m_imageFormat = m_imageFormat;
        m_imageSize = size;
        m_sourceRect = format.viewport();
        emit(surfaceStarted(format));
        m_widget->updateGeometry();
        updateVideoRect();
        return true;
    } else {
        return false;
    }
}
开发者ID:KDE，项目名称:android-qt-mobility，代码行数:17，代码来源:androidvideosurface.cpp

示例12: start

bool AVL_QT_DLL_EXPORT WidgetSurface::start(const QVideoSurfaceFormat & format){
	const QSize size = format.frameSize();

	if (size.isEmpty()==false) {
		imageSize.set(size.width(),size.height());
		sourceRect = format.viewport();

		QAbstractVideoSurface::start(format);

		widget->updateGeometry();
		updateVideoRect();

		return true;
	}else{
		return false;
	}
}
开发者ID:Argoday，项目名称:IPL，代码行数:17，代码来源:WidgetSurface.cpp

示例13: start

//! [2]
bool VideoWidgetSurface::start(const QVideoSurfaceFormat &format)
{
    const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
    const QSize size = format.frameSize();

    if (imageFormat != QImage::Format_Invalid && !size.isEmpty()) {
        this->imageFormat = imageFormat;
        imageSize = size;
        sourceRect = format.viewport();

        QAbstractVideoSurface::start(format);

        widget->updateGeometry();
        updateVideoRect();

        return true;
    } else {
        return false;
    }
}
开发者ID:Kwangsub，项目名称:qt-openwebos，代码行数:21，代码来源:videowidgetsurface.cpp

示例14: start

bool MyVideoSurface::start(const QVideoSurfaceFormat &format)
{
    QImage::Format imageFormat =
        QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());

    if (imageFormat == QImage::Format_Invalid)
        imageFormat = QImage::Format_RGB32;

    const QSize frameSize = format.frameSize();

    if ((imageFormat != QImage::Format_Invalid) && !frameSize.isEmpty()) {
        QAbstractVideoSurface::start(format);

        emit frameSizeChanged(frameSize);

        return true;
    }

    return false;
}
开发者ID:chili-epfl，项目名称:chiliq，代码行数:20，代码来源:myvideosurface.cpp

示例15: isValid

/* Test case for api isValid */
void tst_QVideoSurfaceFormat::isValid()
{
    /* When both pixel format and framesize is not valid */
    QVideoSurfaceFormat format;
    QVERIFY(!format.isValid());

    /* When framesize is valid and pixel format is not valid */
    format.setFrameSize(64,64);
    QVERIFY(format.frameSize() == QSize(64,64));
    QVERIFY(!format.pixelFormat());
    QVERIFY(!format.isValid());

    /* When both the pixel format and framesize is valid. */
    QVideoSurfaceFormat format1(QSize(32, 32), QVideoFrame::Format_AYUV444);
    QVERIFY(format1.isValid());

    /* When pixel format is valid and frame size is not valid */
    format1.setFrameSize(-1,-1);
    QVERIFY(!format1.frameSize().isValid());
    QVERIFY(!format1.isValid());
}
开发者ID:，项目名称:，代码行数:22，代码来源:


注：本文中的QVideoSurfaceFormat::frameSize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。