@lansing : big thx for your reply, but too bad i can not test your solution, as i can not load FFT3D.dll, nor few others (eg VariableBlur.dll) I think its a Windows7 x64 issue...
@dogway : i will have a look into your advices, thank you for that.
also i uploaded another example direct from the mpg2:
(Sample 15 MB, mpeg2):
http://rapidshare.com/files/376421612/sample_cut.mpv