I just created a demo of the nostr HLS playback.
https://github.com/1l0/video_testbed
The key point is that you can use a data URI to play the .m3u8 on the fly.
Discussion
nostr:npub1v0lxxxxutpvrelsksy8cdhgfux9l6a42hsj2qzquu2zk7vc9qnkszrqj49 How about this? No server is required other than relays and Blossom servers. I’m wondering if we could achieve seamless playback of a sequence of dynamically generated .m3u8 data URIs on the fly for live streaming.