You’re barking up the wrong tree and fucking up your life by doing this.

Split the streaming/gaming duty to a different device that can be operated in the way the user expects.

Wherever you disconnect shutdown signals from will be relied upon by something down the road and you’ll end up with a weird messed up broken update when that happens.

Debian: the worst Linux distribution, except for all the other ones.

Long time Debian user and governance appreciator. Welcome. If you want some schizophrenia inducing reading material you should go back and check the long and well documented history of Debian voting.

First time?

From Portuguese to English.

Use ffmpeg to fix your files first so you have fewer problems.