Fair enough, that’s interesting. I assume this only applies to the non-web clients. On the web, it would not be possible.
You can verify by looking at the outgoing network requests on this random video for example: https://invidious.privacyredirect.com/watch?v=qKMcKQCQxxI
Because of the CORS settings on Google’s servers would tell your browser to not go forward with the request.
There are two ways it could eventually be possible:
By opening the video in a new page/tab that only contains the video, with the YouTube player, which defeats the purpose a bit.
Fair enough, that’s interesting. I assume this only applies to the non-web clients. On the web, it would not be possible. You can verify by looking at the outgoing network requests on this random video for example: https://invidious.privacyredirect.com/watch?v=qKMcKQCQxxI
Why not?
Because of the CORS settings on Google’s servers would tell your browser to not go forward with the request. There are two ways it could eventually be possible:
I haven’t checked the CORS headers for YouTube videos but wouldn’t access have to be fairly open to allow embedded videos to work?
For that they use iframes, which have a different security system.