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| |
| #ifndef QDECLARATIVEVIDEOOUTPUT_P_H |
| #define QDECLARATIVEVIDEOOUTPUT_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 <QtCore/qrect.h> |
| #include <QtCore/qsharedpointer.h> |
| #include <QtQuick/qquickitem.h> |
| #include <QtCore/qpointer.h> |
| #include <QtMultimedia/qcamerainfo.h> |
| #include <QtMultimedia/qabstractvideofilter.h> |
| |
| #include <private/qtmultimediaquickdefs_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QMediaObject; |
| class QMediaService; |
| class QDeclarativeVideoBackend; |
| class QVideoOutputOrientationHandler; |
| |
| class Q_MULTIMEDIAQUICK_EXPORT QDeclarativeVideoOutput : public QQuickItem |
| { |
| Q_OBJECT |
| Q_DISABLE_COPY(QDeclarativeVideoOutput) |
| Q_PROPERTY(QObject* source READ source WRITE setSource NOTIFY sourceChanged) |
| Q_PROPERTY(FillMode fillMode READ fillMode WRITE setFillMode NOTIFY fillModeChanged) |
| Q_PROPERTY(int orientation READ orientation WRITE setOrientation NOTIFY orientationChanged) |
| Q_PROPERTY(bool autoOrientation READ autoOrientation WRITE setAutoOrientation NOTIFY autoOrientationChanged REVISION 2) |
| Q_PROPERTY(QRectF sourceRect READ sourceRect NOTIFY sourceRectChanged) |
| Q_PROPERTY(QRectF contentRect READ contentRect NOTIFY contentRectChanged) |
| Q_PROPERTY(QQmlListProperty<QAbstractVideoFilter> filters READ filters); |
| Q_PROPERTY(FlushMode flushMode READ flushMode WRITE setFlushMode NOTIFY flushModeChanged REVISION 13) |
| Q_ENUMS(FlushMode) |
| Q_ENUMS(FillMode) |
| |
| public: |
| |
| enum FlushMode |
| { |
| EmptyFrame, |
| FirstFrame, |
| LastFrame |
| }; |
| |
| enum FillMode |
| { |
| Stretch = Qt::IgnoreAspectRatio, |
| PreserveAspectFit = Qt::KeepAspectRatio, |
| PreserveAspectCrop = Qt::KeepAspectRatioByExpanding |
| }; |
| |
| QDeclarativeVideoOutput(QQuickItem *parent = 0); |
| ~QDeclarativeVideoOutput(); |
| |
| QObject *source() const { return m_source.data(); } |
| void setSource(QObject *source); |
| |
| FillMode fillMode() const; |
| void setFillMode(FillMode mode); |
| |
| int orientation() const; |
| void setOrientation(int); |
| |
| bool autoOrientation() const; |
| void setAutoOrientation(bool); |
| |
| QRectF sourceRect() const; |
| QRectF contentRect() const; |
| |
| Q_INVOKABLE QPointF mapPointToItem(const QPointF &point) const; |
| Q_INVOKABLE QRectF mapRectToItem(const QRectF &rectangle) const; |
| Q_INVOKABLE QPointF mapNormalizedPointToItem(const QPointF &point) const; |
| Q_INVOKABLE QRectF mapNormalizedRectToItem(const QRectF &rectangle) const; |
| Q_INVOKABLE QPointF mapPointToSource(const QPointF &point) const; |
| Q_INVOKABLE QRectF mapRectToSource(const QRectF &rectangle) const; |
| Q_INVOKABLE QPointF mapPointToSourceNormalized(const QPointF &point) const; |
| Q_INVOKABLE QRectF mapRectToSourceNormalized(const QRectF &rectangle) const; |
| |
| enum SourceType { |
| NoSource, |
| MediaObjectSource, |
| VideoSurfaceSource |
| }; |
| SourceType sourceType() const; |
| |
| QQmlListProperty<QAbstractVideoFilter> filters(); |
| |
| FlushMode flushMode() const { return m_flushMode; } |
| void setFlushMode(FlushMode mode); |
| |
| Q_SIGNALS: |
| void sourceChanged(); |
| void fillModeChanged(QDeclarativeVideoOutput::FillMode); |
| void orientationChanged(); |
| void autoOrientationChanged(); |
| void sourceRectChanged(); |
| void contentRectChanged(); |
| void flushModeChanged(); |
| |
| protected: |
| QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override; |
| void itemChange(ItemChange change, const ItemChangeData &changeData) override; |
| void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override; |
| void releaseResources() override; |
| |
| private Q_SLOTS: |
| void _q_updateMediaObject(); |
| void _q_updateCameraInfo(); |
| void _q_updateNativeSize(); |
| void _q_updateGeometry(); |
| void _q_screenOrientationChanged(int); |
| void _q_invalidateSceneGraph(); |
| |
| private: |
| bool createBackend(QMediaService *service); |
| |
| static void filter_append(QQmlListProperty<QAbstractVideoFilter> *property, QAbstractVideoFilter *value); |
| static int filter_count(QQmlListProperty<QAbstractVideoFilter> *property); |
| static QAbstractVideoFilter *filter_at(QQmlListProperty<QAbstractVideoFilter> *property, int index); |
| static void filter_clear(QQmlListProperty<QAbstractVideoFilter> *property); |
| |
| SourceType m_sourceType; |
| |
| QPointer<QObject> m_source; |
| QPointer<QMediaObject> m_mediaObject; |
| QPointer<QMediaService> m_service; |
| QCameraInfo m_cameraInfo; |
| |
| FillMode m_fillMode; |
| QSize m_nativeSize; |
| |
| bool m_geometryDirty; |
| QRectF m_lastRect; // Cache of last rect to avoid recalculating geometry |
| QRectF m_contentRect; // Destination pixel coordinates, unclipped |
| int m_orientation; |
| bool m_autoOrientation; |
| QVideoOutputOrientationHandler *m_screenOrientationHandler; |
| |
| QScopedPointer<QDeclarativeVideoBackend> m_backend; |
| |
| QList<QAbstractVideoFilter *> m_filters; |
| FlushMode m_flushMode = EmptyFrame; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QDECLARATIVEVIDEOOUTPUT_H |