Hi!
The video and audio comes out just fine, but the subtitle packets all have a
length of 30 bytes, and the data appears to be garbage (well, could be raw
data I've not explored that).
Are you getting bitmap subtitles? If AVSubtitle::format == 0, you have
bitmap subtitles.
The format is not immediately obvious, have a look at these posts for
some help on how to use them:
https://stackoverflow.com/a/54143538
https://stackoverflow.com/a/60560764
The former has a code snippet that lets you convert an AVSubtitle into
an AVFrame that can be input into an encoder to make an image or video
stream for overlay.
--
\\// Peter - http://www.softwolves.pp.se/
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