Again thought about the problem:
I am not an expert so it is quite likely that I do something wrong.
On the other hand: the embedded video of the heise website worked for me with a previous version. And I changed nothing except installing the latest Wayfarer version. So, could it be an issue of Wayfarer and X5000 or something like that?
AmigaOne X5000 @ 2GHz / 4GB RAM / Radeon X1650 / AmigaOS 4.1 Final Edition / MorphOS 3.17
Amiga1200 / Blizzard 1230 IV PiStorm32-lite / 128 MB RAM / AmigaOS 3.9