I found some other infos here :
http://forum.gleitz.info/showthread.php?t=23244 (german) and http://forum.doom9.org/showthread.php?p=663660#post663660 (english) BUT it seems all windows related :-(
I don't think that vdr/xine can play it out of the box, I wish I am wrong.
Anyone have an idea how I can grab a test from linux ?