I have no idea how to use (iPhone, iOS 15.6.1). There is a pink background and a...

me_bx · on Aug 27, 2022

Same here on linux.

I'm guessing that other visitors get some content instead of the black box...

ambyjkl · on Aug 27, 2022

If you're on linux, you most likely need the H.264 ffmpeg codec package and things like the Cisco OpenH264 plugin for Firefox. Also, try unblocking WebRTC if you block it

me_bx · on Aug 31, 2022

Thanks. I just checked and all of these are installed / enabled.

Still, only a black rectangle is shown (also disabled ad blocker).

There are a couple of _warning_ messages in the dev console though, which might explain the origin of the issue:

> An AudioContext was prevented from starting automatically. It must be created or resumed after a user gesture on the page.

> Autoplay is only allowed when approved by the user, the site is activated by the user, or media is muted.