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[Self-hosted] Screen share could not be published with a compatible video codec, so it was stopped

(#851) Bug Needs triage self-hosting video
by RexSystem originally by @KostaS10 on GitHub

Observed behaviour

When trying to screen share for people to watch, there is an error: Screen share could not be published with a compatible video codec, so it was stopped Happens on both Windows and Linux desktop apps, screen sharing works in Web App. Attaching the screenshot of an error image

Reproduction steps

  1. Start sharing screen
  2. User tries to join screen share
  3. It does not work and attached error appears

Build information

Canary Desktop 2026.913.210037, Web 2026.916.143514, Windows 11 10.0.26200 (x64), Electron 44.1.1, Chrome 152.0.7977.65, Node 24.19.0, Locale en-US

Platform

Self-hosting

  • 654550352-d6344e83-5d42-4fde-af4c-8f411aba2cdd.png

    654550352-d6344e83-5d42-4fde-af4c-8f411aba2cdd.png

    538×296 | 17 kB

5 comments

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Comment by @Geralt43
RexSystem 1 vote originally by @Geralt43 on GitHub
Please devs help! I can't screen share to my friends! and I want to move away from discord!
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Comment by Hampus
HampusStaff 1 vote originally by @hampus-fluxer on GitHub
image Minus the instruction about emailing it (you could instead upload it as a gist and share the link to it here instead), feel free to share your voice diagnostics (they don't contain anything more sensitive than the brands of your input and output devices and your graphics card).
  • 654594416-f036aa1c-3705-4db1-b75b-fb35b785a5c3.png

    654594416-f036aa1c-3705-4db1-b75b-fb35b785a5c3.png

    1494×1188 | 269 kB

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