Improving video playback speed?

[balko]

I recommend using smplayer with mpv backend with x11 output driver selected in its settings for video output.

Also related topic about youtube playback (maybe you find something useful there):

HD video playback on Qubes OS / older computers

There are a lot of reports on forum about not being able to play Youtube properly in Firefox without lags (as users are used to on GNU/Linux). I myself had to update less than 10-years old laptop to have reasonable youtube experience. I made a HCL that describes it, if you are interested I can find the link. HCL also includes some ways to improve situation a bit, like using smtube, so the issue was important for me. Please post you CPU model, I will check its speed according to websites that…