I know this isn't the point, but here's my nixos script for using a canon DSLR as a webcam https://codeberg.org/traverseda/nixos-config/src/commit/ee3f891e72a5

I know this isn't the point, but here's my nixos script for using a canon DSLR as a webcam https://codeberg.org/traverseda/nixos-config/src/commit/ee3f891e72a59c92acb3f9d74c6e81d8cb61a935/nixos/misc/dslr-webcam.nix https://codeberg.org/traverseda/nixos-config/src/commit/ee3f... To get this out of nixos you need to create 4 files dslrWebcamConfContent goes into your modprobe config dslrUdevRule goes into your udev rules dslrWebcamScript goes somewhere, probably /opt dslrWebcamService is a systemd service.