A video player for Plan 9

07e6c91 matroska: add support for header stripping with no lacing

~ft pushed to ~ft/mcfs git

3 days ago

af3ee88 update status and contact info

~ft pushed to ~ft/treason git

4 days ago


A video player for 9front.


  • Builds and runs on both 386 and amd64.
  • Builds on arm but does not work yet.
  • Does NOT build on arm64.

Supported container formats:

  • mp4
  • mkv/webm

Supported video formats:

  • h.264
  • av1
  • vp8
  • vp9

Supported audio formats:

  • aac
  • opus
  • vorbis
  • mp3


cd /tmp
hget https://git.sr.ht/~ft/treason/archive/mustard.tar.gz | tar xz && \
mv treason-mustard treason && \
cd treason && ./install.rc


See how to Youtube on ⑨.


You need a fast computer to play AV1. H.264 doesn't require as much.

Only 8-bit per component YUV 4:2:0 is supported atm, but I'm yet to find a video that has something else. Send a link?


sigrid on 9gridchan or IRC (freenode/#merveilles).