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| |
| #ifndef QPAINTERVIDEOSURFACE_P_H |
| #define QPAINTERVIDEOSURFACE_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 <qtmultimediawidgetdefs.h> |
| #include <QtCore/qsize.h> |
| #include <QtGui/qimage.h> |
| #include <QtGui/qmatrix4x4.h> |
| #include <QtGui/qpaintengine.h> |
| #include <qabstractvideosurface.h> |
| #include <qvideoframe.h> |
| |
| QT_USE_NAMESPACE |
| |
| QT_BEGIN_NAMESPACE |
| |
| class Q_AUTOTEST_EXPORT QVideoSurfacePainter |
| { |
| public: |
| virtual ~QVideoSurfacePainter(); |
| |
| virtual QList<QVideoFrame::PixelFormat> supportedPixelFormats( |
| QAbstractVideoBuffer::HandleType handleType) const = 0; |
| |
| virtual bool isFormatSupported(const QVideoSurfaceFormat &format) const = 0; |
| |
| virtual QAbstractVideoSurface::Error start(const QVideoSurfaceFormat &format) = 0; |
| virtual void stop() = 0; |
| |
| virtual QAbstractVideoSurface::Error setCurrentFrame(const QVideoFrame &frame) = 0; |
| |
| virtual QAbstractVideoSurface::Error paint( |
| const QRectF &target, QPainter *painter, const QRectF &source) = 0; |
| |
| virtual void updateColors(int brightness, int contrast, int hue, int saturation) = 0; |
| virtual void viewportDestroyed() {} |
| }; |
| |
| class QOpenGLContext; |
| class Q_AUTOTEST_EXPORT QPainterVideoSurface : public QAbstractVideoSurface |
| { |
| Q_OBJECT |
| public: |
| explicit QPainterVideoSurface(QObject *parent = 0); |
| ~QPainterVideoSurface(); |
| |
| 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; |
| |
| int brightness() const; |
| void setBrightness(int brightness); |
| |
| int contrast() const; |
| void setContrast(int contrast); |
| |
| int hue() const; |
| void setHue(int hue); |
| |
| int saturation() const; |
| void setSaturation(int saturation); |
| |
| bool isReady() const; |
| void setReady(bool ready); |
| |
| void paint(QPainter *painter, const QRectF &target, const QRectF &source = QRectF(0, 0, 1, 1)); |
| |
| #if QT_CONFIG(opengl) |
| const QOpenGLContext *glContext() const; |
| void updateGLContext(); |
| |
| enum ShaderType |
| { |
| NoShaders = 0x00, |
| FragmentProgramShader = 0x01, |
| GlslShader = 0x02 |
| }; |
| |
| Q_DECLARE_FLAGS(ShaderTypes, ShaderType) |
| |
| ShaderTypes supportedShaderTypes() const; |
| |
| ShaderType shaderType() const; |
| void setShaderType(ShaderType type); |
| #endif |
| |
| public Q_SLOTS: |
| void viewportDestroyed(); |
| |
| Q_SIGNALS: |
| void frameChanged(); |
| |
| private: |
| void createPainter(); |
| |
| QVideoSurfacePainter *m_painter; |
| #if QT_CONFIG(opengl) |
| QOpenGLContext *m_glContext; |
| ShaderTypes m_shaderTypes; |
| ShaderType m_shaderType; |
| #endif |
| int m_brightness; |
| int m_contrast; |
| int m_hue; |
| int m_saturation; |
| |
| QVideoFrame::PixelFormat m_pixelFormat; |
| QSize m_frameSize; |
| QRect m_sourceRect; |
| bool m_colorsDirty; |
| bool m_ready; |
| }; |
| |
| #if QT_CONFIG(opengl) |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QPainterVideoSurface::ShaderTypes) |
| #endif |
| |
| QT_END_NAMESPACE |
| |
| |
| #endif |