[FFmpeg-trac] #4219(ffmpeg:new): zeranoe win exe mp4 video freezes, audio ok

FFmpeg trac at avcodec.org
Sat Jan 3 12:36:45 CET 2015


#4219: zeranoe win exe mp4 video freezes, audio ok
-------------------------------------+-------------------------------------
             Reporter:  lekdrup      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:
             Keywords:  windows      |  unspecified
  video freeze                       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 We are trying to reduce mp4 file size with ffmpeg on Win7 64bit with
 critical updates done, Intel i3-2367M, using Zeranoe 32-bit precompiled
 exe.

 In a one minute video the image very often (90% of cases) freezes at some
 point during 20 first seconds and usually restarts later.  Audio continues
 normally.  In the example below the freezing happens in the very
 beginning.

 We could not reproduce the bug on another Windows PC, and on a Mac the
 same command line works fine.

 ffmpeg.exe -i in.mp4 -c:v libx264 -preset veryfast -crf 37 -report -c:a
 copy out.mp4 -v 9 -loglevel 99

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Ticket URL: <https://trac.ffmpeg.org/ticket/4219>
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