https://forum.videohelp.com/threads/390710-Screenshots-and-respect-of-the-YUV-RGB-colorspace-conversion
https://forum.doom9.org/showthread.php?t=175125
https://stevens.li/guides/video/converting-hdr-to-sdr-with-ffmpeg/
https://www.personal-view.com/talks/discussion/10637/4k-downscaling-progress-topic/p4
Bandingin video:
http://dericed.com/2012/display-video-difference-with-ffmpegs-overlay-filter/
https://stackoverflow.com/questions/25774996/how-to-compare-show-the-difference-between-2-videos-in-ffmpeg
https://www.ianfeather.co.uk/compare-two-webpagetest-videos-using-ffmpeg/
.\..\ffmpeg -i [Input] -i [Output] -lavfi psnr="stats_file=psnr.log" -f null -
https://stackoverflow.com/questions/9462647/how-to-quantify-and-compare-video-quality
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