qt-everywhere-src-5.14.1/qtmultimedia/src/qtmultimediaquicktools/qdeclarativevideooutput_window_p.h

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#ifndef QDECLARATIVEVIDEOOUTPUT_WINDOW_P_H
#define QDECLARATIVEVIDEOOUTPUT_WINDOW_P_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/qdeclarativevideooutput_backend_p.h>

QT_BEGIN_NAMESPACE

class QVideoWindowControl;

class QDeclarativeVideoWindowBackend : public QDeclarativeVideoBackend
{
public:
    QDeclarativeVideoWindowBackend(QDeclarativeVideoOutput *parent);
    ~QDeclarativeVideoWindowBackend();

    bool init(QMediaService *service) override;
    void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &changeData) override;
    void releaseSource() override;
    void releaseControl() override;
    QSize nativeSize() const override;
    void updateGeometry() override;
    QSGNode *updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) override;
    QAbstractVideoSurface *videoSurface() const override;
    QRectF adjustedViewport() const override;

private:
    QPointer<QVideoWindowControl> m_videoWindowControl;
    bool m_visible;
};

QT_END_NAMESPACE

#endif