I thought some fun might be appropriate while we all hide out from the zombie apocalypse.
Create a telecine that is judder free.
(I've tried to adjust text wrapping so that the lines don't wrap. I hope it works.)
Here are the 2 flavors of telecines (which I call "t30")
p24 = [A/a__________][B/b__________][C/c__________][D/d__________]
t30e = [A/a_______][B/b_______][B/c_______][C/d_______][D/d_______] ...2-3 pull-down
t30o = [A/a_______][A/b_______][B/c_______][C/c_______][D/d_______] ...3-2 pull-down
(I hope you see what my peculiar notation is trying to convey.)
Starting with t30e (i.e., 2-3 pull-down), make a 60 FPS that's judder free.
As you can see, applying the (cccupucncc) top fieldmatch filter, the result should be judder-free.
So using the appropriate fieldmatch, judder-free 60 FPS can be achieved from either t30e or t30o.
I assume this has not been tried before.
Can someone try it or help me to construct the appropriate command line?
PS: If this works, I'll next try to apply it (or something similar) to a 30 FPS stream that is a mix
of telecine & NTSC interlace (such as found in "Making of" movie extras).
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