[FFmpeg-trac] #5276(undetermined:new): Encoding with libvpx-vp9 produces corrupt results

[FFmpeg]

#5276: Encoding with libvpx-vp9 produces corrupt results
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             Reporter:  Compizfox    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  libvpx       |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by Compizfox):

 Replying to [comment:1 cehoyos]:
 > Please provide your complete, uncut console output to make this a valid
 ticket.
 > Either test with {{{-f lavfi -i testsrc}}} or provide your input sample.

 Alright. I did another test with the following command:

 ffmpeg -v 9 -loglevel 99 -report -f lavfi -i testsrc -t 10 -c:v libvpx-vp9
 -crf 30 -b:v 0 -speed 2 -threads 4 -c:a libvorbis out.webm

 I get the same results: the output file is not playable.

 I'll attach the log file.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5276#comment:2>
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