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| |
| #ifndef QGSTREAMERVIDEOOVERLAY_P_H |
| #define QGSTREAMERVIDEOOVERLAY_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/qgstreamerbushelper_p.h> |
| #include <private/qgstreamerbufferprobe_p.h> |
| #include <QtGui/qwindowdefs.h> |
| #include <QtCore/qsize.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QGstreamerSinkProperties; |
| class QGstreamerVideoOverlay |
| : public QObject |
| , public QGstreamerSyncMessageFilter |
| , public QGstreamerBusMessageFilter |
| , private QGstreamerBufferProbe |
| { |
| Q_OBJECT |
| Q_INTERFACES(QGstreamerSyncMessageFilter QGstreamerBusMessageFilter) |
| public: |
| explicit QGstreamerVideoOverlay(QObject *parent = 0, const QByteArray &elementName = QByteArray()); |
| virtual ~QGstreamerVideoOverlay(); |
| |
| GstElement *videoSink() const; |
| void setVideoSink(GstElement *); |
| QSize nativeVideoSize() const; |
| |
| void setWindowHandle(WId id); |
| void expose(); |
| void setRenderRectangle(const QRect &rect); |
| |
| bool isActive() const; |
| |
| Qt::AspectRatioMode aspectRatioMode() const; |
| void setAspectRatioMode(Qt::AspectRatioMode mode); |
| |
| 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 processSyncMessage(const QGstreamerMessage &message) override; |
| bool processBusMessage(const QGstreamerMessage &message) override; |
| |
| Q_SIGNALS: |
| void nativeVideoSizeChanged(); |
| void activeChanged(); |
| void brightnessChanged(int brightness); |
| void contrastChanged(int contrast); |
| void hueChanged(int hue); |
| void saturationChanged(int saturation); |
| |
| private: |
| void setWindowHandle_helper(WId id); |
| void updateIsActive(); |
| void probeCaps(GstCaps *caps) override; |
| static void showPrerollFrameChanged(GObject *, GParamSpec *, QGstreamerVideoOverlay *); |
| |
| GstElement *m_videoSink = nullptr; |
| QSize m_nativeVideoSize; |
| bool m_isActive = false; |
| |
| QGstreamerSinkProperties *m_sinkProperties = nullptr; |
| WId m_windowId = 0; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QGSTREAMERVIDEOOVERLAY_P_H |
| |