inverse 60i to 50i

[death733]

sometimes is instead of deinterlacing to 29.97, i like to convert the deinterlaced video to fully progressive at 59.94fps XviD.
the code i use for that is

complementparity
separatefields
SmoothDeinterlace(tff=true, doublerate=true)

but i've come across some video that is a clear 50i to 60i conversion. the motion is still good but does have some field blending (like other pal to ntsc stuff) so i was wondering if there was a good way to go from 60 back to 50 fields with out affecting the motion (then i would do the separatefields and smoothdeinterlace or just plain kerneldeint)
or would i just be better off leaving it in the 59.94fps?

[Terranigma]

Are you trying to do something that's similar to this (http://forum.doom9.org/showthread.php?p=968314#post968314) thread?

[death733]

i read through that and i think that thread deals with stuff that had a 25p to 60i conversion not a 50i to 60i convertion like what i'm trying to figure out how to undo.
i'm trying to get the output file to be 50fps

but i was curious about how to do 60i to 25p too. i tested that on some stuff i had and the motion was as good as regular deinterlacing but no blending so that works nicely