Video Record issues

Video Record issues

List of my Video Record experiences  with Chrome and Firefox on macOS

1) Chrome on Mac

Cam only:
works, but doesn't provide camera selection. The recording is mirrored horizontally (unlike preview).

Screen only:
Whole screen - doesn't work, no matter which screen I select
Window - doesn't work, no matter which screen I select
Chrome-Tab - works

Screen + Cam:
Whole screen - doesn't work, no matter which screen I select
Window - doesn't work, no matter which screen I select
Chrome-Tab - works

2) Firefox on Mac

Everything works most of the time, sometimes the countdown freezes for whatever reason, after refreshing the browser sharing popup or the browser itself, video recording works again.

Cam Only:
works, provides camera selection. The recording is mirrored horizontally (unlike preview).

Screen only:
Whole screen - works
Window - works

Screen + Cam:
Whole screen - works
Window - works

Video recorded on Chrome cannot be displayed on Firefox, although same file format (.webm).

Screenshots: