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#include <QApplication>
#include <QQmlApplicationEngine>
#include <QQuickWindow>
#include <QQuickItem>
#include <QRunnable>
#include <gst/gst.h>
class SetPlaying : public QRunnable
{
public:
SetPlaying(GstElement *);
~SetPlaying();
void run ();
private:
GstElement * pipeline_;
};
SetPlaying::SetPlaying (GstElement * pipeline)
{
this->pipeline_ = pipeline ? static_cast<GstElement *> (gst_object_ref (pipeline)) : NULL;
}
SetPlaying::~SetPlaying ()
{
if (this->pipeline_)
gst_object_unref (this->pipeline_);
}
void
SetPlaying::run ()
{
if (this->pipeline_)
gst_element_set_state (this->pipeline_, GST_STATE_PLAYING);
}
int main(int argc, char *argv[])
{
int ret;
QGuiApplication app(argc, argv);
gst_init (&argc, &argv);
GstElement *pipeline = gst_pipeline_new (NULL);
GstElement *src = gst_element_factory_make ("videotestsrc", NULL);
GstElement *glupload = gst_element_factory_make ("glupload", NULL);
/* the plugin must be loaded before loading the qml file to register the
* GstGLVideoItem qml item */
GstElement *sink = gst_element_factory_make ("qmlglsink", NULL);
g_assert (src && glupload && sink);
gst_bin_add_many (GST_BIN (pipeline), src, glupload, sink, NULL);
gst_element_link_many (src, glupload, sink, NULL);
QQmlApplicationEngine engine;
engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
QQuickItem *videoItem;
QQuickWindow *rootObject;
/* find and set the videoItem on the sink */
rootObject = static_cast<QQuickWindow *> (engine.rootObjects().first());
videoItem = rootObject->findChild<QQuickItem *> ("videoItem");
g_assert (videoItem);
g_object_set(sink, "widget", videoItem, NULL);
rootObject->scheduleRenderJob (new SetPlaying (pipeline),
QQuickWindow::BeforeSynchronizingStage);
ret = app.exec();
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gst_deinit ();
return ret;
}
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