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| |
| #ifndef QDECLARATIVEVIDEOOUTPUT_RENDER_P_H |
| #define QDECLARATIVEVIDEOOUTPUT_RENDER_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 <private/qdeclarativevideooutput_backend_p.h> |
| #include <private/qsgvideonode_yuv_p.h> |
| #include <private/qsgvideonode_rgb_p.h> |
| #include <private/qsgvideonode_texture_p.h> |
| |
| #include <QtCore/qmutex.h> |
| #include <QtMultimedia/qabstractvideosurface.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSGVideoItemSurface; |
| class QVideoRendererControl; |
| class QOpenGLContext; |
| class QAbstractVideoFilter; |
| class QVideoFilterRunnable; |
| |
| class QDeclarativeVideoRendererBackend : public QDeclarativeVideoBackend |
| { |
| public: |
| QDeclarativeVideoRendererBackend(QDeclarativeVideoOutput *parent); |
| ~QDeclarativeVideoRendererBackend(); |
| |
| bool init(QMediaService *service) override; |
| void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &changeData) override; |
| void releaseSource() override; |
| void releaseControl() override; |
| QSize nativeSize() const override; |
| void updateGeometry() override; |
| QSGNode *updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) override; |
| QAbstractVideoSurface *videoSurface() const override; |
| QRectF adjustedViewport() const override; |
| QOpenGLContext *glContext() const; |
| |
| friend class QSGVideoItemSurface; |
| void present(const QVideoFrame &frame); |
| void stop(); |
| |
| void appendFilter(QAbstractVideoFilter *filter) override; |
| void clearFilters() override; |
| void releaseResources() override; |
| void invalidateSceneGraph() override; |
| |
| private: |
| void scheduleDeleteFilterResources(); |
| |
| QPointer<QVideoRendererControl> m_rendererControl; |
| QList<QSGVideoNodeFactoryInterface*> m_videoNodeFactories; |
| QSGVideoItemSurface *m_surface; |
| QVideoSurfaceFormat m_surfaceFormat; |
| QOpenGLContext *m_glContext; |
| QVideoFrame m_frame; |
| QVideoFrame m_frameOnFlush; |
| bool m_frameChanged; |
| QSGVideoNodeFactory_YUV m_i420Factory; |
| QSGVideoNodeFactory_RGB m_rgbFactory; |
| QSGVideoNodeFactory_Texture m_textureFactory; |
| QMutex m_frameMutex; |
| QRectF m_renderedRect; // Destination pixel coordinates, clipped |
| QRectF m_sourceTextureRect; // Source texture coordinates |
| |
| struct Filter { |
| Filter() : filter(0), runnable(0) { } |
| Filter(QAbstractVideoFilter *filter) : filter(filter), runnable(0) { } |
| QAbstractVideoFilter *filter; |
| QVideoFilterRunnable *runnable; |
| }; |
| QList<Filter> m_filters; |
| }; |
| |
| class QSGVideoItemSurface : public QAbstractVideoSurface |
| { |
| Q_OBJECT |
| public: |
| explicit QSGVideoItemSurface(QDeclarativeVideoRendererBackend *backend, QObject *parent = 0); |
| ~QSGVideoItemSurface(); |
| QList<QVideoFrame::PixelFormat> supportedPixelFormats(QAbstractVideoBuffer::HandleType handleType) const override; |
| bool start(const QVideoSurfaceFormat &format) override; |
| void stop() override; |
| bool present(const QVideoFrame &frame) override; |
| void scheduleOpenGLContextUpdate(); |
| |
| private slots: |
| void updateOpenGLContext(); |
| |
| private: |
| QDeclarativeVideoRendererBackend *m_backend; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |