[FFmpeg-trac] #7677(undetermined:closed): Some converted video files fail miserably with Apple video players

[FFmpeg]

#7677: Some converted video files fail miserably with Apple video players
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             Reporter:  forthrin     |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:  duplicate
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by forthrin):

 @cehoyos: Unfortunately that's not possible, since the source files are
 hundreds of megabytes. Besides, what difference does it make if it's been
 through FFmpeg? The error is present in the submitted file just as much as
 in the original. In fact, even if you convert the file 100 times from mp4
 to mp4, the error "sticks". It's first when you convert via another format
 (like AVI) that you "get rid of" the error. So my unqualified hunch is
 that there's some metadata in the mp4 format that is "carried over" when
 going to mp4 to mp4. Or something like that.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7677#comment:45>
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