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- # FixChromaBleedingMod v1.33
- Function FixChromaBleedingMod (clip input, int "cxShift", int "cyShift", float "thr", float "strength", bool "f", float "opacity", bool "n", bool "xysh", bool "Bic") {
- xShift = default ( cxShift, -4 )
- yShift = default ( cyShift, -4 )
- thr = default ( thr, 4.0 )
- stre = default ( strength, 0.8 )
- f = default ( f, true )
- n = default ( n, false )
- sh = default ( xysh, false )
- Bic = default ( Bic, false )
- opacity = default ( opacity, 1 )
- # prepare to work on the V channel and reduce to speed up and filter noise
- vch = VersionNumber() < 2.60 ? input.tweak(sat=thr).VtoY : input.tweak(sat=thr).VtoY8
- area = f ? VersionNumber() < 2.60 ? vch.ConvertToyv12.ReduceBy2 : vch.ReduceBy2 : n ? VersionNumber() < 2.60 ? vch.ConvertToyv12.Blur(1) : vch.Blur(1) : VersionNumber() < 2.60 ? vch.ConvertToyv12 : vch
- # select and normalize both extremes of the scale
- red = area.Levels(255,1.0,255,255,0)
- blue = area.Levels(0,1.0,0,0,255)
- # merge both masks
- maskc = n ? MergeLuma(red, blue, 0.5).Levels(250,1.0,250,255,0) : f ? MergeLuma(red, blue, 0.5).Levels(250,1.0,250,255,0) : MergeLuma(red, blue, 0.5).Blur(1).Levels(250,1.0,250,255,0)
- # expand to cover beyond the bleeding areas and shift to compensate the resizing
- maskc = maskc.mt_edge("0 0 0 1 0 0 0 0 0", 0,255,0,255).mt_edge("1 1 1 1 1 1 0 0 0", 0,255,0,255)
- # back to full size and binarize (also a trick to expand)
- maskc = f ? Bic ? maskc.BicubicResize(Width(vch),Height(vch)).Levels(10,1.0,10,0,255) : maskc.BilinearResize(Width(vch),Height(vch)).Levels(10,1.0,10,0,255).mt_inflate() : maskc.Levels(10,1.0,10,0,255).mt_inflate()
- # prepare a version of the image that has its chroma shifted and less saturated
- input_c = sh ? input.ChromaShiftSP(x=xShift,y=yShift).tweak(sat=stre) : input.ChromaShift(C=xShift).tweak(sat=stre)
- # combine both images using the mask
- fu = VersionNumber() < 2.60 ? isyuy2(input) ? input.utoy.ConvertToyuy2.overlay(input_c.utoy.ConvertToyuy2,mask=maskc,mode="blend",opacity=opacity) : input.utoy.ConvertToyv12.overlay(input_c.utoy.ConvertToyv12,mask=maskc,mode="blend",opacity=opacity) : input.utoy8.overlay(input_c.utoy8,mask=maskc,mode="blend",opacity=opacity)
- fv = VersionNumber() < 2.60 ? isyuy2(input) ? input.vtoy.ConvertToyuy2.overlay(input_c.vtoy.ConvertToyuy2,mask=maskc,mode="blend",opacity=opacity) : input.vtoy.ConvertToyv12.overlay(input_c.vtoy.ConvertToyv12,mask=maskc,mode="blend",opacity=opacity) : input.vtoy8.overlay(input_c.vtoy8,mask=maskc,mode="blend",opacity=opacity)
- return YToUV(fU, fV, VersionNumber() < 2.60 ? isyuy2(input) ? input.ConvertToyuy2 : input.ConvertToyv12 : input.ConvertToy8)
- }
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