Comparison

import awsmfunc as awf
import vapoursynth as vs
core = vs.get_core()
path=r'C:\Users\Kane\Videos\Straight.Outta.Compton.2015.Directors.Cut.PROPER.UHD.BluRay.2160p.DTS-X.7.1.HEVC.REMUX-FraMeSToR.mkv'
video=core.ffms2.Source(path)
video=core.std.CropRel(video,0,0,280,280)
video=awf.SelectRangeEvery(video, every=15000, length=250, offset=[1000, 5000])
#video.set_output()


path2=r'D:\Test\1080phdr.265'
encode=core.ffms2.Source(path2)
video=awf.FrameInfo(video, "Source")
encode=awf.FrameInfo(encode, "Encode")
comp=core.std.Interleave([video,encode])
comp.set_output()