Well, VLC certainly stays in fullscreen even if a stream is interrupted (or the next stream in playlist is not present), that's why I thought there is a way to force VLC in that mode. I really don't want to add a dummy video from hard disk as first item in playlist just to get VLC to go to fullscree...
I have a setup where I play a RTP stream with VLC in fullscreen mode, e.g. by calling vlc -f rtp://@224.0.0.1:1234. Important for the setup is that VLC goes into fullscreen mode as soon as it is called. Now the problem is that my streaming source is unreliable, i.e. the video stream may not be prese...