A video player for Plan 9
c2f18c2d — Sigrid Solveig Haflínudóttir 7 months ago
semi-working pause
acc732ac — Sigrid Solveig Haflínudóttir 7 months ago
add stupid pause that does not sync audio and video (yet)
c6f38fcc — Sigrid Solveig Haflínudóttir 8 months ago
h264: move decoder-specific logic where it belongs (more)


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You can also use your local clone with git send-email.


A video player for 9front.


Builds (and works) on 386, amd64 and arm64. Builds on arm but was not tested.

Supported container formats:

  • mp4
  • mkv/webm

Supported video formats:

  • h.264
  • av1
  • vp8
  • vp9

Supported audio formats:

  • aac
  • flac
  • opus
  • vorbis
  • mp3


rm -rf /tmp/treason
mkdir /tmp/treason
cd /tmp/treason
hget https://ftrv.se/_/treason.gz | gunzip | disk/mkext -d .


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 (irc.oftc.net/#cat-v).