[FFmpeg-trac] #7438(undetermined:new): Transcoding multiple HLS outputs causes corruption in m3u8 index filename

[FFmpeg]

#7438: Transcoding multiple HLS outputs causes corruption in m3u8 index filename
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             Reporter:  ehollander   |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Summary of the bug:Encoding 1 input file to 4 different outputs causes 2nd
 and 3rd m3u8 index filenames to be corrupt (additional junk characters
 appended) on Windows 10. (Input file was a large 4K video)
 How to reproduce:
 issue the following command on Windows 10:
 ffmpeg -i %video% -c:v libx264 -profile:v high -level 3.1 -s 1920x1080
 -b:v 800k -maxrate 800k -bufsize 2M -flags +cgop -g 600 -hls_list_size 0
 -hls_time 10 -f hls %folder%/out0800_.m3u8^
  -c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 1000k
 -maxrate 1000k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
 10 -f hls %folder%/out1000_.m3u8^
  -c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 1500k
 -maxrate 1500k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
 10 -f hls %folder%/out1500_.m3u8​^
  -c:v libx264 -profile:v high -level:v 3.1 -s 1920x1080 -b:v 2500k
 -maxrate 2500k -bufsize 1M -flags +cgop -g 30 -hls_list_size 0 -hls_time
 10 -f hls %folder%/out2500_.m3u8​
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7438>
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