Scenecut glitch detect

gistfile1.txt

raw = last
RemoveGrain(mode=19)

denoised = last

super = MSuper()
vectors = MAnalyse(super, isb=false, delta=1, search=5, chroma=false)
mask = MMask(vectors,thscd1=100).Grayscale()

raw



global diff_to_next = denoised.Crop(0, 16, 0, -16).YDifferenceToNext
global diff_to_next_top = raw.Crop(0, 0, 0, 8).YDifferenceToNext

global prev_diff_from_prev = denoised.DuplicateFrame(0).Crop(0, 16, 0, -16).YDifferenceFromPrevious
global prev_diff_from_prev_bottom = raw.DuplicateFrame(0).Crop(0, height-8, 0, 0).YDifferenceFromPrevious

global motion_score = mask.AverageLuma

Subtitle("Frame: " + string(current_frame))

Subtitle("DifferenceToNext (Main): " + string(diff_to_next), y=20)
Subtitle("DifferenceToNext (Top): " + string(diff_to_next_top), y=40)

Subtitle("(Prev Frame) DifferenceFromPrevious (Main): " + string(prev_diff_from_prev), y=100)
Subtitle("(Prev Frame) DifferenceFromPrevious (Bottom): " + string(prev_diff_from_prev_bottom), y=120)

Subtitle("Motion score: " + string(motion_score), y=140)

function is_bad_frame(float "opt_out_thresh", float "opt_in_thresh") {
    opt_out_thresh = Default(opt_out_thresh, 35.0)
    opt_in_thresh = Default(opt_in_thresh, 1.0)
    
    opt_out = motion_score > 50
    
    opt_in = (prev_diff_from_prev_bottom > 5 && prev_diff_from_prev_bottom > prev_diff_from_prev * opt_in_thresh)
    
    return opt_in && !opt_out

}