qt-everywhere-src-5.14.1/qtmultimedia/src/gsttools/qgstreamervideowindow.cpp

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#include "qgstreamervideowindow_p.h"
#include <private/qgstutils_p.h>

#include <QtCore/qdebug.h>

QGstreamerVideoWindow::QGstreamerVideoWindow(QObject *parent, const QByteArray &elementName)
    : QVideoWindowControl(parent)
    , m_videoOverlay(this, !elementName.isEmpty() ? elementName : qgetenv("QT_GSTREAMER_WINDOW_VIDEOSINK"))
{
    connect(&m_videoOverlay, &QGstreamerVideoOverlay::nativeVideoSizeChanged,
            this, &QGstreamerVideoWindow::nativeSizeChanged);
    connect(&m_videoOverlay, &QGstreamerVideoOverlay::brightnessChanged,
            this, &QGstreamerVideoWindow::brightnessChanged);
    connect(&m_videoOverlay, &QGstreamerVideoOverlay::contrastChanged,
            this, &QGstreamerVideoWindow::contrastChanged);
    connect(&m_videoOverlay, &QGstreamerVideoOverlay::hueChanged,
            this, &QGstreamerVideoWindow::hueChanged);
    connect(&m_videoOverlay, &QGstreamerVideoOverlay::saturationChanged,
            this, &QGstreamerVideoWindow::saturationChanged);
}

QGstreamerVideoWindow::~QGstreamerVideoWindow()
{
}

GstElement *QGstreamerVideoWindow::videoSink()
{
    return m_videoOverlay.videoSink();
}

WId QGstreamerVideoWindow::winId() const
{
    return m_windowId;
}

void QGstreamerVideoWindow::setWinId(WId id)
{
    if (m_windowId == id)
        return;

    WId oldId = m_windowId;
    m_videoOverlay.setWindowHandle(m_windowId = id);

    if (!oldId)
        emit readyChanged(true);

    if (!id)
        emit readyChanged(false);
}

bool QGstreamerVideoWindow::processSyncMessage(const QGstreamerMessage &message)
{
    return m_videoOverlay.processSyncMessage(message);
}

bool QGstreamerVideoWindow::processBusMessage(const QGstreamerMessage &message)
{
    return m_videoOverlay.processBusMessage(message);
}

QRect QGstreamerVideoWindow::displayRect() const
{
    return m_displayRect;
}

void QGstreamerVideoWindow::setDisplayRect(const QRect &rect)
{
    m_videoOverlay.setRenderRectangle(m_displayRect = rect);
    repaint();
}

Qt::AspectRatioMode QGstreamerVideoWindow::aspectRatioMode() const
{
    return m_videoOverlay.aspectRatioMode();
}

void QGstreamerVideoWindow::setAspectRatioMode(Qt::AspectRatioMode mode)
{
    m_videoOverlay.setAspectRatioMode(mode);
}

void QGstreamerVideoWindow::repaint()
{
    m_videoOverlay.expose();
}

int QGstreamerVideoWindow::brightness() const
{
    return m_videoOverlay.brightness();
}

void QGstreamerVideoWindow::setBrightness(int brightness)
{
    m_videoOverlay.setBrightness(brightness);
}

int QGstreamerVideoWindow::contrast() const
{
    return m_videoOverlay.contrast();
}

void QGstreamerVideoWindow::setContrast(int contrast)
{
    m_videoOverlay.setContrast(contrast);
}

int QGstreamerVideoWindow::hue() const
{
    return m_videoOverlay.hue();
}

void QGstreamerVideoWindow::setHue(int hue)
{
    m_videoOverlay.setHue(hue);
}

int QGstreamerVideoWindow::saturation() const
{
    return m_videoOverlay.saturation();
}

void QGstreamerVideoWindow::setSaturation(int saturation)
{
    m_videoOverlay.setSaturation(saturation);
}

bool QGstreamerVideoWindow::isFullScreen() const
{
    return m_fullScreen;
}

void QGstreamerVideoWindow::setFullScreen(bool fullScreen)
{
    emit fullScreenChanged(m_fullScreen = fullScreen);
}

QSize QGstreamerVideoWindow::nativeSize() const
{
    return m_videoOverlay.nativeVideoSize();
}