if you use VLC you can try this setting. Otherwise there are no solution, rendering is done using the CPU on Qubes OS, and the larger the display area, the more it uses CPU.
Throwing more cpu to that qube may help.
if you use VLC you can try this setting. Otherwise there are no solution, rendering is done using the CPU on Qubes OS, and the larger the display area, the more it uses CPU.
Throwing more cpu to that qube may help.