source: trunk/examples/multimedia/videowidget/videowidgetsurface.h

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#ifndef VIDEOWIDGETSURFACE_H
#define VIDEOWIDGETSURFACE_H

#include <QtCore/QRect>
#include <QtGui/QImage>
#include <QtMultimedia/QAbstractVideoSurface>
#include <QtMultimedia/QVideoFrame>

//! [0]
class VideoWidgetSurface : public QAbstractVideoSurface
{
    Q_OBJECT
public:
    VideoWidgetSurface(QWidget *widget, QObject *parent = 0);

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

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

    bool present(const QVideoFrame &frame);

    QRect videoRect() const { return targetRect; }
    void updateVideoRect();

    void paint(QPainter *painter);

private:
    QWidget *widget;
    QImage::Format imageFormat;
    QRect targetRect;
    QSize imageSize;
    QRect sourceRect;
    QVideoFrame currentFrame;
};
//! [0]

#endif