nixpkgs/nixos/modules/hardware/video/uvcvideo/default.nix

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2018-06-09 05:59:21 +00:00
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.uvcvideo;
uvcdynctrl-udev-rules = packages: pkgs.callPackage ./uvcdynctrl-udev-rules.nix {
drivers = packages;
udevDebug = false;
};
in
{
options = {
services.uvcvideo.dynctrl = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable <command>uvcvideo</command> dynamic controls.
Note that enabling this brings the <command>uvcdynctrl</command> tool
into your environement and register all dynamic controls from
specified <command>packages</command> to the <command>uvcvideo</command> driver.
'';
};
packages = mkOption {
type = types.listOf types.path;
example = literalExample "[ pkgs.tiscamera ]";
description = ''
List of packages containing <command>uvcvideo</command> dynamic controls
rules. All files found in
<filename><replaceable>pkg</replaceable>/share/uvcdynctrl/data</filename>
will be included.
Note that these will serve as input to the <command>libwebcam</command>
package which through its own <command>udev</command> rule will register
the dynamic controls from specified packages to the <command>uvcvideo</command>
driver.
'';
apply = map getBin;
};
};
};
config = mkIf cfg.dynctrl.enable {
services.udev.packages = [
(uvcdynctrl-udev-rules cfg.dynctrl.packages)
];
environment.systemPackages = [
pkgs.libwebcam
];
};
}