The Strobe Media Player supports wowza captions on livestream?
The OSMF player has plugins for captions, but doesn’t do captions out of the box.
We’re not sure what caption types they support though
It takes a bit of work to integrate them, and we don’t have any guides for this.
You’ll have less work to do if you use JW player or Flow Player
Here’s the main Live CC article.
These sub sections cover JW player playback configuration