New answers tagged webvideos
If you're comparing PC games to Youtube video shot with a camera (as opposed to Youtube video of games captured via HDMI), then you're probably noticing the natural motion blur that cameras introduce. Gaming hardware can't reproduce this effect very well because it either has to render intermediate frames and blur them together or perform "optical flow" or ...
ffmpeg will do everything you request. It can capture both the screen and the video input, compose that to a single image, and stream it... You should look at it... Its a command line utility, but very well documented
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