[FFmpeg-trac] #1686(documentation:new): Dataloss because ffmpeg manpage about -passlogfile is wrong

[FFmpeg]

#1686: Dataloss because ffmpeg manpage about -passlogfile is wrong
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             Reporter:  jonb         |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  minor        |                Component:
              Version:  0.7.13       |  documentation
             Keywords:  passlogfile  |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by jonb):

 Replying to [comment:25 cehoyos]:
 > Thanks to your work, we know now that the original bug was fixed between
 the time 0.7 was branched (June 2011 iirc) and yesterday's git head.
 > Unfortunately, several thousand changes were in-between, so we don't
 know (yet) if this is reproducible with 0.8, 0.9, 0.10 or 0.11...
 > If you want to help, please consider using git bisect to find the change
 fixing the original problem.

 Does that mean I have to read code. I'm not so good at that. Couldnt we
 just start to write in the documentation that it has been discovered that
 there in some versions is a possibility for a dataloss when using libx264
 and passlogfile?

 Then we can look for the versions that overwrite or not.

 I might script something that checks out every version from git between
 0.7.13 and head and finds out when it was fixed.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1686#comment:26>
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