[FFmpeg-devel] [RFC] Implementation of closed caption support

Kieran Kunhya kierank at obe.tv
Mon Aug 4 21:48:51 CEST 2014

> into the decoders. The decoder approch would also not work for insertion of
> closed captions (for h.264 that would be x264, and I can't see that CC has a
> place there really). I'm uncertain enough that I would prefere to here the
> opinion here before submitting a patch. As far as I can see it now:

It would work with x264 actually because x264 could read the side data
from an AVFrame.
See how it's done here:


You will have problems making sure the input to x264 is cfr however.


More information about the ffmpeg-devel mailing list