[FFmpeg-user] Add soft subtitles to YouTube Stream Now?

[Moritz Barsnick]

On Wed, Nov 20, 2019 at 16:05:12 +0100, Moritz Barsnick wrote:
> > and this page saying that the captions can be pushed via RTMP:
> > https://ghuntley.com/notes/closed-captioning/ <https://ghuntley.com/notes/closed-captioning/>
> > I know this is somewhat OT for ffmpeg, but can I push two RTMP streams to YouTube, one for the a/v, and one for the captions?
>
> As far as I understand YouTube's docs, these methods are not supported.

Sorry, I missed this. I noticed this option when fiddling with my
YouTube livestream. I don't know how to create this HTTP caption stream
though, I couldn't find documentation.

Moritz