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/****************************************************************************
*
* (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
*
* QGroundControl is licensed according to the terms in the file
* COPYING.md in the root of the source code directory.
*
****************************************************************************/
/**
* @file
* @brief QGC Video Surface
* @author Gus Grubba <mavlink@grubba.com>
*/
#if defined(QGC_GST_STREAMING)
#endif
#include "VideoSurface.h"
#include <QtCore/QDebug>
#include <QtQuick/QQuickItem>
VideoSurface::VideoSurface(QObject *parent)
: QObject(parent)
#if defined(QGC_GST_STREAMING)
#if defined(QGC_GST_STREAMING)
if (!_refed && _data->videoSink != NULL) {
gst_element_set_state(_data->videoSink, GST_STATE_NULL);
}
delete _data;
#if defined(QGC_GST_STREAMING)
GstElement* VideoSurface::videoSink()
{
if (_data->videoSink == NULL) {
if ((_data->videoSink = gst_element_factory_make("qtquick2videosink", NULL)) == NULL) {
qCritical("Failed to create qtquick2videosink. Make sure it is installed correctly");
return NULL;
}
g_object_set(G_OBJECT(_data->videoSink), "sync", gboolean(false), NULL);
g_signal_connect(_data->videoSink, "update", G_CALLBACK(onUpdateThunk), (void* )this);
}
return _data->videoSink;
}
void VideoSurface::onUpdate()
{
Q_FOREACH(QQuickItem *item, _data->items) {
item->update();
}
}
void VideoSurface::onUpdateThunk(GstElement* sink, gpointer data)
{
Q_UNUSED(sink);
VideoSurface* pThis = (VideoSurface* )data;
pThis->onUpdate();
}