OB Virtual Cam stopped working

J

jpoling

New Member
All of a sudden The OBS virtual camera is not showing up as a camera option in Google Chrome or Safari. It does show up and works fine in Firefox. I have gone through all the permissions in the Mac OS settings (i'm using 12.7.4 Monterey) and in the Chrome (Version 145.0.7632.110 (Official Build) (arm64)) settings. I removed the "real" cameras from the computer (to troubleshoot). OBS is running version 32.04. I have deleted the virtual camera file from /Library/CoreMediaIO/Plug-Ins/DAL and re-run OBS. Nada. I've made no software changes lately. Rebooted several times (power cycle). Re-installed OBS and Chrome, rebooted in between. Still nuthin.
 
Had this exact same thing happen to me on Monterey a while back. The DAL plugin gets out of sync sometimes after a Chrome update, even if you didn't touch OBS. What fixed it for me was quitting Chrome completely, then running this in Terminal:

sudo rm -rf /Library/CoreMediaIO/Plug-Ins/DAL/obs-mac-virtualcam.plugin

Then open OBS, start the virtual cam once, quit OBS, and reboot. Chrome should pick it up after that. The key part was the full reboot after OBS re-created the plugin, not before.

Also worth checking if Chrome's site permissions got reset for camera access on whatever page you're testing with.
 
Thanks for the reply. Out of frustration I upgraded the OS on the machine to Ventura and uninstalled/re-installed OBS. That seemed to fix it. But your theory as to why it happened makes sense so it's bound to happen again (unless it was just a Monterey issue). For that reason I'm saving your response for the day that happens.
 
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