interpolation.py

import vapoursynth as vs

core = vs.get_core()
clip = video_in
dst_fps = display_fps

while (dst_fps > 60):
	dst_fps /= 2

if not (clip.width > 1920 or clip.height > 1080 or container_fps > 59):
	src_fps_num = int(container_fps * 1e8)
	src_fps_den = int(1e8)
	dst_fps_num = int(dst_fps * 1e4)
	dst_fps_den = int(1e4)

	clip = core.std.AssumeFPS(clip, fpsnum = src_fps_num, fpsden = src_fps_den)
	print("Reflowing from ", src_fps_num/src_fps_den, " fps to ", dst_fps_num/dst_fps_den, " fps.")
    
	sup  = core.mv.Super(clip, pel=2, hpad=16, vpad=16)
	bvec = core.mv.Analyse(sup, blksize=16, isb=True , chroma=True, search=3, searchparam=1)
	fvec = core.mv.Analyse(sup, blksize=16, isb=False, chroma=True, search=3, searchparam=1)
	clip = core.mv.BlockFPS(clip, sup, bvec, fvec, num=dst_fps_num, den=dst_fps_den, mode=3, thscd2=12)

clip.set_output()