Max simultaneous lives created on your instance <x id="START_TAG_SPAN" ctype="x-span" equiv-text="<span class="text-muted">"/>(-1 for "unlimited")<x id="CLOSE_TAG_SPAN" ctype="x-span" equiv-text="</span>"/>
You can import any URL <x id="START_LINK" ctype="x-a" equiv-text="<a>"/>supported by youtube-dl<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> or URL that points to a raw MP4 file. You should make sure you have diffusion rights over the content it points to, otherwise it could cause legal trouble to yourself and your instance.