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External Programs and Systems Wolfram Language Connected Devices

OBS virtual camera installed, now can't get rid of it

Posted 3 years ago

I installed OBS Studio on my iMac. It created a Virtual Camera which Mathematica recognizes as the primary camera. OBS Studio was installed for trying this application out but I don't have a need for it. There is no uninstall process, but according to online discussions, I just needed to delete the application in the /Applications directory, and its folder in the /Library/Application Support directory. I've done both, deleted the contents of Trash and rebooted. Running $ImagingDevices I get the output {"OBS Virtual Camera", "FaceTime HD Camera (Built-in)"} just as I had before deleting the OBS app and directory. When I execute CurrentImage[] The output is the OBS icon for the unconnected virtual camera. Does anyone have a solution to this problem?

POSTED BY: Lawrence Winkler

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Posted 3 years ago

Could you check if there's a file for the OBS Virtual Camera device in `/Library/CoreMediaIO/Plug-Ins/DAL/`? If so, try moving it to another location and restarting Mathematica.

POSTED BY: Jesse Friedman

Posted 3 years ago

Thank you. Followup question. How does Mathematica get it's hardware information? And where does it store that information? I had expected, once I killed the virtual camera (I think I have) I would have expected Mathematica to "forget" that camera had ever existed. It didn't.

POSTED BY: Lawrence Winkler

Posted 3 years ago

POSTED BY: Alec Graves

Posted 3 years ago

You should be able to do something like the following: `mathematica CurrentImage[ ImagingDevice->$ImagingDevices[[2]] ]` This is according to the CurrentImage documentation

POSTED BY: Alec Graves

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