And, you tried what @Mattches suggested:
Downloading Brave Beta and test to see if your webcam gets picked up/works there?
Note that downloading/installing the Beta will not overwrite your current installation or any information therein. Additionally, once you’re done testing, you’re welcome to uninstall it if you’d like.
Correct?
Note to Brave Support:
Bug report, but no resolution nor apparent interest by Brave developers:
November 24, 2024
Default camera not used und unable to switch. #42486