Deoldify Vapoursynth filter

[Dan64]

Hello Selur,

  I'm going to release a new version 4.6.7. I attached the RC1.
  The aim of this release is to remove the excessive red components that are often used to color the frames.
  Unfortunately all the picture color models are affected by this problem.

  The changes in this release will affect some Presets and the related custom section of the GUI.

  The changes are the following:

  1) Preset Speed: changed the mapping between Speed preset and Render Factors as displayed in the code below
   

presets = ['placebo', 'veryslow', 'slower', 'slow', 'medium', 'fast', 'faster', 'veryfast']
deoldify_rf = [32, 30, 28, 26, 24, 22, 20, 16]
ddcolor_rf = [44, 36, 32, 28, 24, 22, 20, 16]

  2) Preset Color Map added/renamed some color mapping as displayed in the following table:



  VERY IMPORTANT: when is assigned the preset Color map, its value must be reported in the custom section ONLY on the field Color map (see picture below)

  

  3) Preset Ref merge: added new weight as described below
    

Ref Merge allowed values are:
  0 = No RF merge (reference frames can be produced with any frequency)
  1 = RF-Merge VeryLow (reference frames are merged with weight=0.3)
  2 = RF-Merge Low (reference frames are merged with weight=0.4)
  3 = RF-Merge Med (reference frames are merged with weight=0.5)
  4 = RF-Merge High (reference frames are merged with weight=0.6)
  5 = RF-Merge VeryHigh (reference frames are merged with weight=0.7)

I hope that you can apply these changes in Hybrid

Thanks,
Dan

EDIT:
here some example of application of filter "red->brown" on HAVC colored frames:
https://imgsli.com/MzM5MjQ1
https://imgsli.com/MzM5MjQ2
https://imgsli.com/MzM5MjQ3