[FFmpeg-trac] #11411(avformat:new): VVC generated by FFmpeg not playing by same-bundled FFplay?

[FFmpeg]

#11411: VVC generated by FFmpeg not playing by same-bundled FFplay?
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:  (none)
  MasterQuestionable                 |
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  vvc          |               Blocked By:
  matroska                           |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  1            |
-------------------------------------+-------------------------------------
Changes (by Frank Plowman):

 * component:  avcodec => avformat
 * keywords:  libvvenc vvc => vvc matroska

Comment:

 Matroska does not support VVC.  I feel like there should be an error
 message or warning if you try to encode a Matroska VVC file, but this is
 out of my ballpark.

 Without the container involved, the sample plays fine:
 `ffmpeg -f lavfi -i "testsrc2=1920x1080:30:d=5" -map 0 -c:v libvvenc -f
 data "out.vvc"`

 `ffplay out.vvc`
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Ticket URL: <https://trac.ffmpeg.org/ticket/11411#comment:1>
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