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#ifndef VIDEOWIDGETSURFACE_H
#define VIDEOWIDGETSURFACE_H

#include <QAbstractVideoSurface>
#include <QImage>
#include <QRect>
#include <QVideoFrame>
#include <QQuickPaintedItem>
#include <QMutex>
#include <QAbstractVideoFilter>
#include <QtCore/qloggingcategory.h>

//! [0]
class VideoWidgetSurface : public QAbstractVideoSurface
{
    Q_OBJECT

public:
    VideoWidgetSurface(QQuickPaintedItem *item, QObject *parent = 0);

    QList<QVideoFrame::PixelFormat> supportedPixelFormats(
            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const override;
    bool isFormatSupported(const QVideoSurfaceFormat &format) const override;

    bool start(const QVideoSurfaceFormat &format) override;
    void stop() override;

    bool present(const QVideoFrame &frame) override;

    void paint(QPainter *painter);

//private:

    QQuickPaintedItem *item;
    QImage::Format imageFormat;

    QVideoFrame m_frame;
    bool m_frameChanged;
    QMutex m_frameMutex;

    struct Filter {
        Filter() : filter(0), runnable(0) { }
        Filter(QAbstractVideoFilter *filter) : filter(filter), runnable(0) { }
        QAbstractVideoFilter *filter;
        QVideoFilterRunnable *runnable;
    };
    QList<Filter> m_filters;
    void appendFilter(QAbstractVideoFilter *filter);
    void clearFilters();
};
//! [0]

#endif