I dig a little and there is an option on the GUI to easily stream. On the media menu, there is a stream option (CTRL+S) which allows you to stream a file using the interface you want. It will create a server and it’s up to you to make that server available to your friends (port forwarding). They will the open your video from a network interface link.
Though, while I did manage to stream between two instances of VLC on the same machine. It was after many attempts and I did not have any sound.
Not incredible, I will admit, but I’m quite confident it can work well once you understand what parameters to use.
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