#5276: Encoding with libvpx-vp9 produces corrupt results
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             Reporter:  Compizfox    |                     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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 I'm trying to produce some WebM files. VP8 encoding works fine, but I'd
 like to use VP9. To do this, I use the following command:

 ffmpeg -i input.avi -c:v libvpx-vp9 -crf 30 -b:v 0 -speed 2 -threads 4
 -c:a libvorbis output.webm

 This takes quite a long time (at ~2 fps) but after it's done, the
 resulting WebM is unplayable. I tested with VLC, Firefox and Chrome. VLC
 just plays the audio but no video, Chrome doesn't do anything (clicking
 the play button does nothing) and Firefox says "Video can't be played
 because the file is corrupt".

 The input file is a Lagarith-encoded AVI file.

 I'm using the latest version from http://ffmpeg.zeranoe.com/builds/
 (ffmpeg-20160227-git-5156578-win64-static).

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Ticket URL: <https://trac.ffmpeg.org/ticket/5276>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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