Find any video with 4k@60hz. Set manually max resolution. Go to next video (next button). Check and set max resolution. Choose vp9 codec every time. After some interations video quality should remain max possible with vp9 codec.
Find any video with 4k@60hz. Set manually max resolution. Go to next video (next button). Check and set max resolution. Choose vp9 codec every time. After some interations video quality should remain max possible with vp9 codec.