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

本文整理汇总了C++中QVideoSurfaceFormat::viewport方法的典型用法代码示例。如果您正苦于以下问题：C++ QVideoSurfaceFormat::viewport方法的具体用法？C++ QVideoSurfaceFormat::viewport怎么用？C++ QVideoSurfaceFormat::viewport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::viewport方法的8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: start

    // Overridden from QAbstractVideoSurface
    virtual bool start( const QVideoSurfaceFormat &format )
    {
        m_mutex.lock();

        m_flipped = ( format.scanLineDirection() == QVideoSurfaceFormat::BottomToTop );
        m_frameFormat = QVideoFrame::imageFormatFromPixelFormat( format.pixelFormat() );
        m_viewport = format.viewport();
        m_valid = 1;

        // We want to unlock it before calling the parent function, which may call present() and deadlock
        m_mutex.unlock();

        return QAbstractVideoSurface::start( format );
    }
开发者ID:thetazzbot，项目名称:karaokeplayer，代码行数:15，代码来源:universalplayer.cpp

示例2: 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3: 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4: start

bool QX11VideoSurface::start(const QVideoSurfaceFormat &format)
{
    if (m_image)
        XFree(m_image);

    int xvFormatId = 0;
    for (int i = 0; i < m_supportedPixelFormats.count(); ++i) {
        if (m_supportedPixelFormats.at(i) == format.pixelFormat()) {
            xvFormatId = m_formatIds.at(i);
            break;
        }
    }

    if (xvFormatId == 0) {
        setError(UnsupportedFormatError);
    } else {
        XvImage *image = XvCreateImage(
                QX11Info::display(),
                m_portId,
                xvFormatId,
                0,
                format.frameWidth(),
                format.frameHeight());

        if (!image) {
            setError(ResourceError);
        } else {
            m_viewport = format.viewport();
            m_image = image;

            QVideoSurfaceFormat newFormat = format;
            newFormat.setProperty("portId", QVariant(quint64(m_portId)));
            newFormat.setProperty("xvFormatId", xvFormatId);
            newFormat.setProperty("dataSize", image->data_size);

            return QAbstractVideoSurface::start(newFormat);
        }
    }

    if (m_image) {
        m_image = 0;

        QAbstractVideoSurface::stop();
    }

    return false;
}
开发者ID:kuailexs，项目名称:symbiandump-mw3，代码行数:47，代码来源:qx11videosurface.cpp

示例5: 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6: 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7: 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8: switch

QDebug operator<<(QDebug dbg, const QVideoSurfaceFormat &f)
{
    QString typeName;
    switch (f.pixelFormat()) {
    case QVideoFrame::Format_Invalid:
        typeName = QLatin1String("Format_Invalid");
        break;
    case QVideoFrame::Format_ARGB32:
        typeName = QLatin1String("Format_ARGB32");
        break;
    case QVideoFrame::Format_ARGB32_Premultiplied:
        typeName = QLatin1String("Format_ARGB32_Premultiplied");
        break;
    case QVideoFrame::Format_RGB32:
        typeName = QLatin1String("Format_RGB32");
        break;
    case QVideoFrame::Format_RGB24:
        typeName = QLatin1String("Format_RGB24");
        break;
    case QVideoFrame::Format_RGB565:
        typeName = QLatin1String("Format_RGB565");
        break;
    case QVideoFrame::Format_RGB555:
        typeName = QLatin1String("Format_RGB555");
        break;
    case QVideoFrame::Format_ARGB8565_Premultiplied:
        typeName = QLatin1String("Format_ARGB8565_Premultiplied");
        break;
    case QVideoFrame::Format_BGRA32:
        typeName = QLatin1String("Format_BGRA32");
        break;
    case QVideoFrame::Format_BGRA32_Premultiplied:
        typeName = QLatin1String("Format_BGRA32_Premultiplied");
        break;
    case QVideoFrame::Format_BGR32:
        typeName = QLatin1String("Format_BGR32");
        break;
    case QVideoFrame::Format_BGR24:
        typeName = QLatin1String("Format_BGR24");
        break;
    case QVideoFrame::Format_BGR565:
        typeName = QLatin1String("Format_BGR565");
        break;
    case QVideoFrame::Format_BGR555:
        typeName = QLatin1String("Format_BGR555");
        break;
    case QVideoFrame::Format_BGRA5658_Premultiplied:
        typeName = QLatin1String("Format_BGRA5658_Premultiplied");
        break;
    case QVideoFrame::Format_AYUV444:
        typeName = QLatin1String("Format_AYUV444");
        break;
    case QVideoFrame::Format_AYUV444_Premultiplied:
        typeName = QLatin1String("Format_AYUV444_Premultiplied");
        break;
    case QVideoFrame::Format_YUV444:
        typeName = QLatin1String("Format_YUV444");
        break;
    case QVideoFrame::Format_YUV420P:
        typeName = QLatin1String("Format_YUV420P");
        break;
    case QVideoFrame::Format_YV12:
        typeName = QLatin1String("Format_YV12");
        break;
    case QVideoFrame::Format_UYVY:
        typeName = QLatin1String("Format_UYVY");
        break;
    case QVideoFrame::Format_YUYV:
        typeName = QLatin1String("Format_YUYV");
        break;
    case QVideoFrame::Format_NV12:
        typeName = QLatin1String("Format_NV12");
        break;
    case QVideoFrame::Format_NV21:
        typeName = QLatin1String("Format_NV21");
        break;
    case QVideoFrame::Format_IMC1:
        typeName = QLatin1String("Format_IMC1");
        break;
    case QVideoFrame::Format_IMC2:
        typeName = QLatin1String("Format_IMC2");
        break;
    case QVideoFrame::Format_IMC3:
        typeName = QLatin1String("Format_IMC3");
        break;
    case QVideoFrame::Format_IMC4:
        typeName = QLatin1String("Format_IMC4");
        break;
    case QVideoFrame::Format_Y8:
        typeName = QLatin1String("Format_Y8");
        break;
    case QVideoFrame::Format_Y16:
        typeName = QLatin1String("Format_Y16");
    default:
        typeName = QString(QLatin1String("UserType(%1)" )).arg(int(f.pixelFormat()));
    }

    dbg.nospace() << "QVideoSurfaceFormat(" << typeName;
    dbg.nospace() << ", " << f.frameSize();
    dbg.nospace() << ", viewport=" << f.viewport();
//.........这里部分代码省略.........
开发者ID:maxxant，项目名称:qt，代码行数:101，代码来源:qvideosurfaceformat.cpp


注：本文中的QVideoSurfaceFormat::viewport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。