gstreamer/subprojects/gst-plugins-good/tests/examples/qt/qmloverlay/main.qml

import QtQuick 2.4
import QtQuick.Controls 1.1
import QtQuick.Controls.Styles 1.3
import QtQuick.Dialogs 1.2
import QtQuick.Window 2.1

import org.freedesktop.gstreamer.GLVideoItem 1.0

ApplicationWindow {
    id: window
    visible: true
    width: 640
    height: 480
    x: 30
    y: 30
    color: "black"

    Item {
        anchors.fill: parent

        GstGLVideoItem {
            id: video
            objectName: "videoItem"
            anchors.centerIn: parent
            width: parent.width
            height: parent.height
        }

        Text {
            anchors.bottom: parent.bottom
            anchors.horizontalCenter: parent.horizontalCenter
            text: "qmlglsink text"
            font.pointSize: 20
            color: "yellow"
            style: Text.Outline
            styleColor: "blue"
        }
    }
}