[FFmpeg-trac] #6350(ffmpeg:new): n3.3 corrupts when remuxing mp4->mp4 or mp4->mkv

[FFmpeg]

#6350: n3.3 corrupts when remuxing mp4->mp4 or mp4->mkv
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             Reporter:  carstenmattner  |                    Owner:
                 Type:  defect          |                   Status:  new
             Priority:  important       |                Component:  ffmpeg
              Version:  unspecified     |               Resolution:
             Keywords:                  |               Blocked By:
             Blocking:                  |  Reproduced by developer:  0
Analyzed by developer:  0               |
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Comment (by carstenmattner):

 I've also noticed that some streaming sites have already updated to the
 new ffmpeg version since I see the same corruption and `RefPicListX` and
 `co located POCs` error in pristine mp4 files downloaded from the HTML5
 media element's link. I didn't touch the downloaded file and tested with a
 2nd download to be sure.

 It's up to ffmpeg devs how to prioritize this but I think it's a serious
 regression. The `n3.3` release announcement says

 > We strongly recommend users, distributors, and system integrators to
 upgrade unless they use current git master.

 so it's normal that distros and admins have already updated.

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Ticket URL: <https://trac.ffmpeg.org/ticket/6350#comment:3>
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