I just randomly stumbled upon a nice little streaming Dapp for Hive. I have not yet tried it myself but took a look at the very few livestreams currently available (A gamer, a dj and a goat!) and everything seems to work as it should.
It is called vimm.tv and it can be found here:
The project is just two weeks old so don't expect heaps of content. It might be a good tool for doing gaming streaming, with a cleaner interface than for example Theta tv.
Easy login is guaranteed with Hive signer.
Low visitors for now, but that is expected for a newborn Dapp.