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);
- GstElement *sinkbin = gst_element_factory_make ("glsinkbin", NULL);
- g_assert (src && sink && sinkbin);
+ g_assert (src && glupload && sink);
- g_object_set (sinkbin, "sink", sink, NULL);
- g_object_unref (sink);
-
- gst_bin_add_many (GST_BIN (pipeline), src, sinkbin, NULL);
- gst_element_link_many (src, sinkbin, NULL);
+ 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")));
--- /dev/null
+grabqml
+qrc_qml.cpp
--- /dev/null
+TEMPLATE = app
+
+QT += qml quick widgets
+
+QT_CONFIG -= no-pkg-config
+CONFIG += link_pkgconfig debug
+PKGCONFIG = \
+ gstreamer-1.0 \
+ gstreamer-video-1.0
+
+DEFINES += GST_USE_UNSTABLE_API
+
+INCLUDEPATH += ../lib
+
+SOURCES += main.cpp
+
+RESOURCES += qml.qrc
+
+# Additional import path used to resolve QML modules in Qt Creator's code model
+QML_IMPORT_PATH =
--- /dev/null
+#include <QApplication>
+#include <QQmlApplicationEngine>
+#include <QQuickWindow>
+#include <QQuickItem>
+#include <QQuickView>
+#include <QRunnable>
+#include <QDebug>
+#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 ("qmlglsrc", NULL);
+ GstElement *sink = gst_element_factory_make ("glimagesink", NULL);
+
+ g_assert (src && sink);
+
+ gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+ gst_element_link_many (src, sink, NULL);
+
+ QQmlApplicationEngine engine;
+ engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
+
+ QQuickWindow *rootObject;
+
+ /* find and set the QQuickWindow on the src */
+ rootObject = static_cast<QQuickWindow *> (engine.rootObjects().first());
+ g_object_set(src, "window", rootObject, NULL);
+ g_object_set(src, "use-default-fbo", TRUE, NULL);
+ /* output buffer of qmlglsrc is vertical flip, get the image orientation tag */
+ g_object_set(sink, "rotate-method", 8, 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;
+}
--- /dev/null
+import QtQuick 2.4
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Dialogs 1.1
+import QtQuick.Window 2.1
+
+ApplicationWindow {
+ id: window
+ visible: true
+ width: 640
+ height: 480
+ x: 30
+ y: 30
+ color: "dodgerblue"
+
+ Item {
+ anchors.fill: parent
+
+ Rectangle {
+ color: Qt.rgba(1, 1, 1, 0.7)
+ border.width: 1
+ border.color: "white"
+ anchors.bottomMargin: 15
+ anchors.horizontalCenter: parent.horizontalCenter
+ width : parent.width - 30
+ height: parent.height - 30
+ radius: 8
+
+ Text {
+ id: text1
+ anchors.centerIn: parent
+ text: "Hello World!"
+ font.pointSize: 24
+ visible: timer.tex1_visible
+ }
+
+ Text {
+ id: text2
+ anchors.centerIn: parent
+ text: "This is qmlglsrc demo!"
+ font.pointSize: 24
+ visible: timer.tex2_visible
+ }
+
+ Timer {
+ id: timer
+ property int count: 0
+ property int tex1_visible: 1
+ property int tex2_visible: 0
+ interval: 30; running: true; repeat: true
+ onTriggered: {
+ count++;
+ if (count%2 == 0) {
+ tex1_visible = 1;
+ tex2_visible = 0;
+ }
+ else {
+ tex1_visible = 0;
+ tex2_visible = 1;
+ }
+ }
+ }
+ }
+ }
+}
--- /dev/null
+<RCC>
+ <qresource prefix="/">
+ <file>main.qml</file>
+ </qresource>
+</RCC>