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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 = nullptr); |
| ~QAbstractVideoSurface(); |
| |
| virtual QList<QVideoFrame::PixelFormat> supportedPixelFormats( |
| QAbstractVideoBuffer::HandleType type = 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 &resolution); |
| |
| 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 |