Show stock image as background when Waiting For Video (#10604)

Add background to make it easier to read


Update

qgcresources.qrc

@@ -31,6 +31,7 @@
         <file alias="LockClosed.svg">resources/LockClosed.svg</file>
         <file alias="LockOpen.svg">resources/LockOpen.svg</file>
         <file alias="notile.png">resources/notile.png</file>
+        <file alias="NoVideoBackground.jpg">resources/NoVideoBackground.jpg</file>
         <file alias="Pause.svg">resources/Pause.svg</file>
         <file alias="pause-mission.svg">resources/pause-mission.svg</file>
         <file alias="pencil.svg">resources/pencil.svg</file>

src/FlightDisplay/FlightDisplayViewVideo.qml

@@ -38,12 +38,24 @@ Item {
 
     property double _thermalHeightFactor: 0.85 //-- TODO
 
-    Rectangle {
+        Image {
             id:             noVideo
             anchors.fill:   parent
-        color:          Qt.rgba(0,0,0,0.75)
+            source:         "/res/NoVideoBackground.jpg"
+            fillMode:       Image.PreserveAspectCrop
             visible:        !(QGroundControl.videoManager.decoding)
+
+            Rectangle {
+                anchors.centerIn:   parent
+                width:              noVideoLabel.contentWidth + ScreenTools.defaultFontPixelHeight
+                height:             noVideoLabel.contentHeight + ScreenTools.defaultFontPixelHeight
+                radius:             ScreenTools.defaultFontPixelWidth / 2
+                color:              "black"
+                opacity:            0.5
+            }
+
             QGCLabel {
+                id:                 noVideoLabel
                 text:               QGroundControl.settingsManager.videoSettings.streamEnabled.rawValue ? qsTr("WAITING FOR VIDEO") : qsTr("VIDEO DISABLED")
                 font.family:        ScreenTools.demiboldFontFamily
                 color:              "white"
@@ -51,6 +63,7 @@ Item {
                 anchors.centerIn:   parent
             }
         }
+
     Rectangle {
         anchors.fill:   parent
         color:          "black"