Dot Crawl filter

Describe the change or feature you'd like to see added to HandBrake:

Add a Dot Crawl filter. Something similar to https://github.com/tp7/checkmate/ for avisynth.
There is no perfect solution, but checkmate is one of the most recommended and looks like a somewhat simple algorithm.
One complication, sometimes it works best before detelecine and deinterlace, sometimes after (depends on source).

What version of HandBrake are you currently using? (e.g., 1.0.0)

1.10

What operating system and version are you running? (e.g., Ubuntu 16.04 LTS, macOS 10.3 High Sierra, Windows 10 Creators Update)

Windows 10

HandBrake Activity Log required (see https://handbrake.fr/docs/en/latest/help/activity-log.html)

If the request is off the back of failure or unsupported file format, please post a lot as it can help us track down what is missing.

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