[FFmpeg-trac] #5048(undetermined:closed): -map 0:v causes segfaults on 2pass libvpx-vp9 on multi video-track file

[FFmpeg]

#5048: -map 0:v causes segfaults on 2pass libvpx-vp9 on multi video-track file
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             Reporter:  kagami       |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:  libvpx       |               Resolution:  invalid
  crash SIGSEGV                      |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by kagami):

 What version of libvpx do you have? I tried with 1.4.0 and still getting
 the same segfault. I think the problem is that ffmpeg uses same logfile
 for two different video tracks which is incorrent; segfault is just the
 consequence of passing corrupted logfile. Even if your version of libvpx
 can tolerate that, ffmpeg's behaviour is still wrong.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5048#comment:2>
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