[FFmpeg-trac] #11056(avformat:closed): Position of key frame incorrect

[FFmpeg]

#11056: Position of key frame incorrect
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             Reporter:  David        |                    Owner:  (none)
  Johansen                           |
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  avformat
              Version:  6.1.1        |               Resolution:  invalid
             Keywords:  ffprobe pos  |               Blocked By:
  mp4                                |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by MasterQuestionable):

 ͏    "extra_keyframes_example.mp4":
 ͏    https://drive.usercontent.google.com/download?export=download&id
 =1WxOrSi-GNB45nLUUiR4PT7c4H2VurtKk
 ͏    (~ 18.34 MiB)

 ͏    Simple concatenation via !`cat` alike seems to do garbage.
 ͏    Your commands also look problematic. (haven't detailedly verified)
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Ticket URL: <https://trac.ffmpeg.org/ticket/11056#comment:16>
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