[FFmpeg-trac] #8807(ffmpeg:new): Remuxing MKV to MP4 fails when using -map 0 but works fine when Remuxing MP4 to MKV (was: Remuxing MKV to MP4 fails when using -map 0)

[FFmpeg]

#8807: Remuxing MKV to MP4 fails when using -map 0 but works fine when Remuxing
MP4 to MKV
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             Reporter:  SwiftMove    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  ffmpeg
              Version:  unspecified  |               Resolution:
             Keywords:  ffmpeg map   |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Ticket URL: <https://trac.ffmpeg.org/ticket/8807#comment:1>
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