you have different options, if you want to host your data you can get some storage for sats at satellite.earth and then post the links to this videos via #[2] or Highlighter.

if you want to do that for free you may still need to rely on posting on YouTube and then embedding that link in either of the previously mentioned clients.

at least for long videos,

if you doing short stories/reels type videos most clients allow you to upload seamlessly and #olas is aiming at replicating a more instragram kind of experience.