1 files changed, 6 insertions, 1 deletions
diff --git a/examples/multimedia/video/qmlvideofx/qml/qmlvideofx/EffectBlackAndWhite.qml b/examples/multimedia/video/qmlvideofx/qml/qmlvideofx/EffectBlackAndWhite.qml
index 8cfe5a78a..f1e53e005 100644
--- a/examples/multimedia/video/qmlvideofx/qml/qmlvideofx/EffectBlackAndWhite.qml
+++ b/examples/multimedia/video/qmlvideofx/qml/qmlvideofx/EffectBlackAndWhite.qml
@@ -39,10 +39,15 @@ Effect {
             name: "Threshold"
             value: 0.5
         }
+        onDataChanged: updateThreshold()
     }
 
+    function updateThreshold()
+    {
+            threshold = parameters.get(0).value;
+    }
     // Transform slider values, and bind result to shader uniforms
-    property real threshold: parameters.get(0).value
+    property real threshold: 0.5
 
     fragmentShaderFilename: "blackandwhite.fsh"
 }