Description of the issue:
When I play some video on this particular site www.mojevideo.sk. I can hear the sound but video ist not playing. Other pages look ok and video ist playing.
In other browsers video on that site work gut.
Thanks for taking the time to reach out to us. Please go to Settings > Background video playback and disable it, then fully close Brave and reopen it again, once you are back on Brave follow the same steps to enable it to see if it works.