To make this work, your browser will need to be configured to tell xscreensaver that it is playing videos. I don't know if that is possible with any extant browsers. Either way, not an xscreensaver bug. https://www.jwz.org/xscreensaver/faq.html#dvd
-- Jamie Zawinski https://www.jwz.org/ https://www.dnalounge.com/
