[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 David Johansen):

 Replying to [comment:16 MasterQuestionable]:
 > ͏    Simple concatenation via !`cat` alike seems to do garbage.
 > ͏    Your commands also look problematic. (haven't detailedly verified)

 The resulting video plays correctly in QuickTime and VLC and isn't HLS
 playback of a fragmented MP4 doing this as well?
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Ticket URL: <https://trac.ffmpeg.org/ticket/11056#comment:17>
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