[FFmpeg-trac] #11462(undetermined:new): Cannot embed .scc file into .mp4 using -c:s copy

[FFmpeg]

#11462: Cannot embed .scc file into .mp4 using -c:s copy
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             Reporter:  Zach         |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  new
             Priority:  important    |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by softworkz):

 Replying to [comment:29 softworkz]:
 > This discussion made me wonder about whether it might be feasible to
 have decoders produce AVFrames where the side data is parsed out but the
 video data remains undecoded. This might also help for certain ffprobe
 scenarios (Marth64: you know what I'm up to.. :-)

 I realize this needs explanation:

 Currently ffmpeg already has a way for encoding CC data into video streams
 during encoding, and many encoders (even hardware video encoders like QSV)
 support this.
 This works simply by attaching the CC data as side data in AVFrames.
 That's the mechanism which allows preservation of CC data when transcoding
 video for example, and that's also how it will work with subtitle
 filtering:

 There will be a mergecc filter (a splitcc filter already exists) which
 encodes text subs as CC 608/708 and attaches it as side data to the video
 frames.

 If it would be possible to work with video frames which have non-decoded
 video data, then the filtering could also be used without re-encoding the
 video.

 (that's why I wouldn't think it makes sense to create separate topics)
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11462#comment:30>
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