Grids should be within actual video frame and not the entire window.

src/FlightDisplay/FlightDisplayViewVideo.qml

@@ -50,34 +50,34 @@ Item {
             display:        QGroundControl.videoManager.videoSurface
             receiver:       QGroundControl.videoManager.videoReceiver
             visible:        QGroundControl.videoManager.videoRunning
+            Rectangle {
+                color:  Qt.rgba(1,1,1,0.5)
+                height: parent.height
+                width:  1
+                x:      parent.width * 0.33
+                visible: _showGrid
+            }
+            Rectangle {
+                color:  Qt.rgba(1,1,1,0.5)
+                height: parent.height
+                width:  1
+                x:      parent.width * 0.66
+                visible: _showGrid
+            }
+            Rectangle {
+                color:  Qt.rgba(1,1,1,0.5)
+                width:  parent.width
+                height: 1
+                y:      parent.height * 0.33
+                visible: _showGrid
+            }
+            Rectangle {
+                color:  Qt.rgba(1,1,1,0.5)
+                width:  parent.width
+                height: 1
+                y:      parent.height * 0.66
+                visible: _showGrid
+            }
         }
     }
-    Rectangle {
-        color:  Qt.rgba(1,1,1,0.5)
-        height: parent.height
-        width:  1
-        x:      parent.width * 0.33
-        visible: _showGrid
-    }
-    Rectangle {
-        color:  Qt.rgba(1,1,1,0.5)
-        height: parent.height
-        width:  1
-        x:      parent.width * 0.66
-        visible: _showGrid
-    }
-    Rectangle {
-        color:  Qt.rgba(1,1,1,0.5)
-        width:  parent.width
-        height: 1
-        y:      parent.height * 0.33
-        visible: _showGrid
-    }
-    Rectangle {
-        color:  Qt.rgba(1,1,1,0.5)
-        width:  parent.width
-        height: 1
-        y:      parent.height * 0.66
-        visible: _showGrid
-    }
 }