[FFmpeg-trac] #5502(undetermined:new): wmv3 video track produced by GoToMeeting is transcoded to 1000 FPS h264

[FFmpeg]

#5502: wmv3 video track produced by GoToMeeting is transcoded to 1000 FPS h264
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             Reporter:  almson       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  gotomeeting  |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Summary of the bug:

 GoToMeeting produces screencaptures with wmv3 codec at a very low
 framerate (less than 1 fps). When transcoding to a different video format
 (like h264), ffmpeg makes a decision about what framerate to use for
 output. Unfortunately, instead of choosing something sane like 30 or 60,
 it chooses 1000. If the option -r 30 is added, transcoding works well.

 This is a big issue at my company, because we try to accept videos in any
 format and transcode them to h264 while preserving their framerate. This
 codec comes up a significant percent of the time. If you know of a
 workaround that would preserve the framerate for other videos, please let
 us know!

 How to reproduce:
 {{{
 % ffmpeg -i gotomeeting_screencapture.wmv -vcodec h264 -preset veryfast
 -acodec mp3 -f mp4 -y output.mp4
 ffmpeg version 2.8.6-1ubuntu2 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.1 (Ubuntu 5.3.1-11ubuntu1) 20160311

 also affects

 ffmpeg version N-53104-g0910488-static http://johnvansickle.com/ffmpeg/
 Copyright (c) 2000-2016 the FFmpeg developers
   built with gcc 5.3.1 (Debian 5.3.1-8) 20160205
 }}}

 I've uploaded gotomeeting_screencapture.wmv to the FTP_

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Ticket URL: <https://trac.ffmpeg.org/ticket/5502>
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