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#ifndef QABSTRACTVIDEOSURFACE_H
#define QABSTRACTVIDEOSURFACE_H
#include <QtCore/qobject.h>
#include <QtMultimedia/qvideoframe.h>
QT_BEGIN_NAMESPACE
class QRectF;
class QVideoSurfaceFormat;
class QAbstractVideoSurfacePrivate;
class Q_MULTIMEDIA_EXPORT QAbstractVideoSurface : public QObject
{
Q_OBJECT
Q_PROPERTY(QSize nativeResolution READ nativeResolution NOTIFY nativeResolutionChanged)
public:
enum Error
{
NoError,
UnsupportedFormatError,
IncorrectFormatError,
StoppedError,
ResourceError
};
explicit QAbstractVideoSurface(QObject *parent = 0);
~QAbstractVideoSurface();
virtual QList<QVideoFrame::PixelFormat> supportedPixelFormats(
QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const = 0;
virtual bool isFormatSupported(const QVideoSurfaceFormat &format) const;
virtual QVideoSurfaceFormat nearestFormat(const QVideoSurfaceFormat &format) const;
QVideoSurfaceFormat surfaceFormat() const;
QSize nativeResolution() const;
virtual bool start(const QVideoSurfaceFormat &format);
virtual void stop();
bool isActive() const;
virtual bool present(const QVideoFrame &frame) = 0;
Error error() const;
Q_SIGNALS:
void activeChanged(bool active);
void surfaceFormatChanged(const QVideoSurfaceFormat &format);
void supportedFormatsChanged();
void nativeResolutionChanged(const QSize &);
protected:
void setError(Error error);
void setNativeResolution(const QSize &resolution);
private:
Q_DECLARE_PRIVATE(QAbstractVideoSurface)
QScopedPointer<QAbstractVideoSurfacePrivate> d_ptr;
};
#ifndef QT_NO_DEBUG_STREAM
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, const QAbstractVideoSurface::Error &);
#endif
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QAbstractVideoSurface*)
Q_DECLARE_METATYPE(QAbstractVideoSurface::Error)
#endif
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