[FFmpeg-trac] #9090(ffmpeg:new): In the process of screen recording, adjusting the volume will cause confusion of screen recording progress bar

[FFmpeg]

#9090: In the process of screen recording, adjusting the volume will cause
confusion of screen recording progress bar
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             Reporter:  HouLei  |                     Type:  defect
               Status:  new     |                 Priority:  important
            Component:  ffmpeg  |                  Version:  git-master
             Keywords:          |               Blocked By:
             Blocking:          |  Reproduced by developer:  0
Analyzed by developer:  0       |
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 1. On Linux platform, execute: ffmpeg - F x11grab - fragment 25 - video_
 size 1920*1080 -i :0.0 out.mp4

 2. Adjust the volume of Linux system repeatedly

 3. Save the screen video


 Problem: play the screen recording file and observe the progress bar. The
 progress bar goes backward and gets stuck

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Ticket URL: <https://trac.ffmpeg.org/ticket/9090>
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