Fedi.TipsPeerTube is the Fediverse's video platform. You can follow and interact with PeerTube accounts from Mastodon, but if you want to upload videos you will need to join a PeerTube server. There is a beginner's guide to PeerTube at:
➡️ https://fedi.tips/peertube-video-hosting-on-the-fediverse
My other account Fedi.Video shares nice PeerTube videos and suggests PeerTube accounts to follow:
➡️ @FediVideo
I also run a site which lets you browse and search PeerTube videos safely:
schoolingdiana