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

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import QtQuick 2.4
import org.freedesktop.gstreamer.GLVideoItem 1.0
Item {
/* render upside down for GStreamer */
transform: Scale { origin.x : 0; origin.y : height / 2.; yScale : -1 }
GstGLVideoItem {
id: video
objectName: "inputVideoItem"
anchors.centerIn: parent
width: parent.width
height: parent.height
}
Text {
id: rotatingText
anchors.centerIn: parent
text: "Qt Quick\nrendered to\na texture"
font.pointSize: 20
color: "black"
style: Text.Outline
styleColor: "white"
RotationAnimator {
target: rotatingText;
from: 0;
to: 360;
duration: 5000
running: true
loops: Animation.Infinite
}
}
Text {
property int elapsedTime: 0
id: time
anchors.top: rotatingText.bottom
anchors.horizontalCenter: rotatingText.horizontalCenter
font.pointSize: 12
style: Text.Outline
styleColor: "black"
color: "white"
Timer {
interval: 1000
running: true
repeat: true
onTriggered: {
parent.elapsedTime += interval / 1000
parent.text = "overlay: " + parent.elapsedTime.toString() + " seconds"
}
}
}
}