Question / Help Passing 608 embedded closed captions to a live stream

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griefk

New Member
I need to live stream a prerecorded video file to Facebook. We generated CEA-608 embedded captions in Premiere. If we add the file in OBS as a source and stream it, the captions do not seem to pass. Is there a proven workflow to do this?
 
Would it be bad to burn a video with the captions already showing in Premiere? That would ensure that they sync up. I mean the user isn't going to be able to control whether or not to show them or not, so why not just embed them into the source?
 
grimmit said:
Would it be bad to burn a video with the captions already showing in Premiere? That would ensure that they sync up. I mean the user isn't going to be able to control whether or not to show them or not, so why not just embed them into the source?
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Facebook live does have the ability to show or hide embedded 608 captions. I need to be able get them to their server embedded.
 
This won't happen in OBS because the developers are not interested in passing through media streams. Everything gets re-encoded before upload or recording. FFmpeg, the encoding engine, does not support embedded CEA-608 streams.
 
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