Overlay

  # let's say, we decided to fix 3 lines on the all sides: left, top, right, bottom, then:

    FFVideoSource("E:\300 MUX\300MUX.MKV").Crop(0,140,0,-140)

    safe = Crop(4,4,-4,-6) # safe area where we won't change the colorspace

    ConvertToYV24() # now we go to YV24 to fix our lines because we can't fix odd lines with YV12

    base1 = Crop(4,0,-4,0) # here we choose the area where we'll fix lines on the left/right

    l1 = Crop(0, 0, 1 - Width(), 0).Tweak(cont=1.10)           # 1st line on the left
    l2 = Crop(1, 0, 2 - Width(), 0).Tweak(cont=1.06)           # 2nd line on the left
    l3 = Crop(2, 0, 3 - Width(), 0).Tweak(cont=1.02)             # 3d line on the left
    l4 = Crop(3, 0, 4 - Width(), 0)                           # 4th line, we won't fix this line, so don't need changes here

    r4 = Crop(Width() - 4, 0, -3, 0)                          # 4th line, we won't fix this line, so don't need changes here too
    r3 = Crop(Width() - 3, 0, -2, 0).Tweak(cont=1.00)            # 3d line on the right
    r2 = Crop(Width() - 2, 0, -1, 0).Tweak(cont=1.00)          # 2nd line on the right
    r1 = Crop(Width() - 1, 0, 0, 0).Tweak(cont=1.00)           # 1st line on the right

    StackHorizontal(l1, l2, l3, l4, base1, r4, r3, r2, r1)    # after fixing we stack those fixed lines with the 1st area (base1)

    base2 = Crop(0,4,0,-6) # now we take the area where we'll fix lines on the top/bottom

    t1 = Crop(0, 0, 0, 1 - Height()).Tweak(cont=1.00)          # 1st line on the top
    t2 = Crop(0, 1, 0, 2 - Height()).Tweak(cont=0.99)          # 2nd line on the top
    t3 = Crop(0, 2, 0, 3 - Height()).Tweak(cont=1.00)            # 3d line on the top
    t4 = Crop(0, 3, 0, 4 - Height())                          # 4th line, for example we don't need to fix this line, so don't need changes here

    b6 = Crop(0, Height() - 6, 0, -5)
    b5 = Crop(0, Height() - 5, 0, -4).Tweak(cont=0.99)
    b4 = Crop(0, Height() - 4, 0, -3).Tweak(cont=0.98)
    b3 = Crop(0, Height() - 3, 0, -2).Tweak(cont=0.98)           # 3d line on the bottom
    b2 = Crop(0, Height() - 2, 0, -1).Tweak(cont=0.99)         # 2nd line on the bottom
    b1 = Crop(0, Height() - 1, 0, 0).Tweak(cont=0.99)          # 1st line on the bottom

    StackVertical(t1, t2, t3, t4, base2, b6, b5, b4, b3, b2, b1)      # after fixing on the top/bottom we stack those fixed lines with the 2nd area (base2)

    ConvertToYV12(matrix="Rec709") # back to normal YV12 colorspace

    # here we use balancebordersgt over all fixed lines to prevent color changes from scene to scene
    # so we don't need to do an overlay for each scene of our video (BB options may vary in different cases)

    BalanceBordersGT(3,3,3,3)
    BalanceBordersGT(3,3,3,3,thresh=4,blur=10)

    Overlay(last, safe, x=4, y=4)           # now we get the final pic "inserting" our safe area into fixed area via overlay function

    Spline36Resize(1280,534)