[FFmpeg-trac] #7186(undetermined:new): use " -c copy "， but the output's duration and file size doubled

[FFmpeg]

#7186: use  " -c  copy "， but  the output's duration and file size doubled
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             Reporter:  zjj1209354   |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by zjj1209354):

 {{{
 another sample file url:
         https://www.datafilehost.com/d/bf1d611b

 if the first url is invalid, try this one.
 thanks very much!

 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/7186#comment:1>
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