qt-everywhere-src-5.15.1/qtmultimedia/src/gsttools/qgstreamervideowindow_p.h

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#ifndef QGSTREAMERVIDEOWINDOW_H
#define QGSTREAMERVIDEOWINDOW_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <private/qgsttools_global_p.h>
#include <qvideowindowcontrol.h>

#include "qgstreamervideorendererinterface_p.h"
#include <private/qgstreamerbushelper_p.h>
#include <private/qgstreamervideooverlay_p.h>
#include <QtGui/qcolor.h>

QT_BEGIN_NAMESPACE
class QAbstractVideoSurface;

class Q_GSTTOOLS_EXPORT QGstreamerVideoWindow :
        public QVideoWindowControl,
        public QGstreamerVideoRendererInterface,
        public QGstreamerSyncMessageFilter,
        public QGstreamerBusMessageFilter
{
    Q_OBJECT
    Q_INTERFACES(QGstreamerVideoRendererInterface QGstreamerSyncMessageFilter QGstreamerBusMessageFilter)
public:
    explicit QGstreamerVideoWindow(QObject *parent = 0, const QByteArray &elementName = QByteArray());
    ~QGstreamerVideoWindow();

    WId winId() const override;
    void setWinId(WId id) override;

    QRect displayRect() const override;
    void setDisplayRect(const QRect &rect) override;

    bool isFullScreen() const override;
    void setFullScreen(bool fullScreen) override;

    QSize nativeSize() const override;

    Qt::AspectRatioMode aspectRatioMode() const override;
    void setAspectRatioMode(Qt::AspectRatioMode mode) override;

    void repaint() override;

    int brightness() const override;
    void setBrightness(int brightness) override;

    int contrast() const override;
    void setContrast(int contrast) override;

    int hue() const override;
    void setHue(int hue) override;

    int saturation() const override;
    void setSaturation(int saturation) override;

    QAbstractVideoSurface *surface() const;

    GstElement *videoSink() override;

    bool processSyncMessage(const QGstreamerMessage &message) override;
    bool processBusMessage(const QGstreamerMessage &message) override;
    bool isReady() const override { return m_windowId != 0; }

signals:
    void sinkChanged();
    void readyChanged(bool);

private:
    QGstreamerVideoOverlay m_videoOverlay;
    WId m_windowId = 0;
    QRect m_displayRect;
    bool m_fullScreen = false;
    mutable QColor m_colorKey = QColor::Invalid;
};

QT_END_NAMESPACE

#endif