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/*=====================================================================
QGroundControl Open Source Ground Control Station
(c) 2009, 2015 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
This file is part of the QGROUNDCONTROL project
QGROUNDCONTROL is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
QGROUNDCONTROL is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
======================================================================*/
/**
* @file
* @brief QGC Video Surface
* @author Gus Grubba <mavlink@grubba.com>
*/
#ifndef VIDEO_SURFACE_H
#define VIDEO_SURFACE_H
#include <QtCore/QObject>
#if defined(QGC_GST_STREAMING)
#include <gst/gst.h>
#endif
#if defined(QGC_GST_STREAMING)
class VideoSurfacePrivate;
#endif
class VideoSurface : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(VideoSurface)
public:
explicit VideoSurface(QObject *parent = 0);
virtual ~VideoSurface();
/*! Returns the video sink element that provides this surface's image.
* The element will be constructed the first time that this function
* is called. The surface will always keep a reference to this element.
*/
#if defined(QGC_GST_STREAMING)
GstElement* videoSink() const;
#endif
protected:
#if defined(QGC_GST_STREAMING)
void onUpdate();
static void onUpdateThunk(GstElement* sink, gpointer data);
#endif
private:
friend class VideoItem;
#if defined(QGC_GST_STREAMING)
VideoSurfacePrivate * const _data;
#endif
};
Q_DECLARE_METATYPE(VideoSurface*)
#endif // VIDEO_SURFACE_H