Deinterlaced video with very jaggy edges

[perrymason]

Is there any way to reduce the jaggy edges for this poorly deinterlaced, heavily compressed and upscaled to 540p video?

[Selur]

Probably, not worth it, but one could crop the bottom, resize to 640x480, throw QTGMC(InputType=3) and Sangnom at it,...
script
Basic idea is to downscale, filter, upscale.
(in general, using that output and mixing it with the input using an edge mask might help to keep some more details, but there the source already hasn't that much details,..)

[Alwyn]

Here's my attempt with AVISynth.

ffms2("H:\Videohelp\Perrymason\Sample 1 minute.mkv")
ConvertToYV16()
spline64resize(640,480)
QTGMC(InputType=3)
SangNom2(order=1, aa=48, aac=0, dh=false, luma=true, chroma=false, opt=-1)
spline64resize(852,480)

[Alwyn]

The MKV's got a crazy framerate.