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| |
| #ifndef QGSTVIDEORENDERERPLUGIN_P_H |
| #define QGSTVIDEORENDERERPLUGIN_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/qgsttools_global_p.h> |
| #include <qabstractvideobuffer.h> |
| #include <qvideosurfaceformat.h> |
| #include <QtCore/qobject.h> |
| #include <QtCore/qplugin.h> |
| |
| #include <gst/gst.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QAbstractVideoSurface; |
| |
| const QLatin1String QGstVideoRendererPluginKey("gstvideorenderer"); |
| |
| class Q_GSTTOOLS_EXPORT QGstVideoRenderer |
| { |
| public: |
| virtual ~QGstVideoRenderer() {} |
| |
| virtual GstCaps *getCaps(QAbstractVideoSurface *surface) = 0; |
| virtual bool start(QAbstractVideoSurface *surface, GstCaps *caps) = 0; |
| virtual void stop(QAbstractVideoSurface *surface) = 0; // surface may be null if unexpectedly deleted. |
| virtual bool proposeAllocation(GstQuery *query) = 0; // may be called from a thread. |
| |
| virtual bool present(QAbstractVideoSurface *surface, GstBuffer *buffer) = 0; |
| virtual void flush(QAbstractVideoSurface *surface) = 0; // surface may be null if unexpectedly deleted. |
| }; |
| |
| /* |
| Abstract interface for video buffers allocation. |
| */ |
| class Q_GSTTOOLS_EXPORT QGstVideoRendererInterface |
| { |
| public: |
| virtual ~QGstVideoRendererInterface() {} |
| |
| virtual QGstVideoRenderer *createRenderer() = 0; |
| }; |
| |
| #define QGstVideoRendererInterface_iid "org.qt-project.qt.gstvideorenderer/5.4" |
| Q_DECLARE_INTERFACE(QGstVideoRendererInterface, QGstVideoRendererInterface_iid) |
| |
| class Q_GSTTOOLS_EXPORT QGstVideoRendererPlugin : public QObject, public QGstVideoRendererInterface |
| { |
| Q_OBJECT |
| Q_INTERFACES(QGstVideoRendererInterface) |
| public: |
| explicit QGstVideoRendererPlugin(QObject *parent = 0); |
| virtual ~QGstVideoRendererPlugin() {} |
| |
| QGstVideoRenderer *createRenderer() override = 0; |
| |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |