[FFmpeg-trac] #5764(undetermined:reopened): ffmpeg deadlock with first pass x264 encode with >=slower and bitrate set

[FFmpeg]

#5764: ffmpeg deadlock with first pass x264 encode with >=slower and bitrate set
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             Reporter:  MonoS        |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by MonoS):

 >(just run ffmpeg inside of gdb and wait for the hang)
 that's exactly what i did, but when ffmpeg hangs i don't exactly know what
 to do then, i've tried ctrl+c then bt, or just writing bt but nothing.
 It's my first time using gdb without outside of my IDE.

 >Can you reproduce the hang with x264 (the executable) alone without using
 FFmpeg?
 The problem doesn't appear using vanilla x264 compiled by komisar.

 >Can you reproduce the hang with FFmpeg if you compile without
 --enable-x264?
 i didn't tried, but i don't know how to reproduce the problem using other
 codecs, i've tried with x265 without success (using -x265-params option to
 set --pass parameters)

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Ticket URL: <https://trac.ffmpeg.org/ticket/5764#comment:7>
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