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Old 7th October 2019, 21:44   #11  |  Link
Goggen240
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Join Date: Sep 2019
Posts: 14
Problem solved.

https://postimg.cc/cvLGBZD1

That was easy.
Huh.

Upper left side is the downloaded 1280x720 version, and bottom what deinterlaced looks like (2x). Lots of wavy edges.
Upper right side is the DeCubicResized 1024x572 version, and bottom what deinterlaced looks like (2x). Looks fine!

You'll need JPSDR's DeBicubicResizeMT plugin for AviSynth+
https://forum.doom9.org/showthread.php?t=174248

And here's the script that works for a video that was messed up by scaling up from 1024x572i50 to 1280x720p25 without deinterlacing first:

Quote:
#Input file
DirectShowSource("G:\720p.mp4")

#Reverse Upscale
DeBicubicResizeMT(1024, 572)
More info:
The file was cropped slightly to get rid of the half lines top and bottom, it should have been 576 lines. Also, there are a few crossfades that are out-of-sync top-to-bottom, but I assume that 1967 live broadcast video technology might have caused that.

Now, this is not a solution for videos that are downscaled, such as 576 lines to 540 lines like in the other example picture earlier.
So I'll keep tinkering along on those.
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