When selecting a video-source (e.g. “2”) that is visible in VD, but has no material (video, or active video-input):
- Selecting that video-source resulting
- freezed image of last active video-source (e.g. last frame from “1”)
- instead of giving a blank/black-screen that is visible in VD source-selector.
BlackScreen looks me safer/better then a freezed last-frame.