From eae2018b5402c5c5f7aae91deeadc41e0b4b9b35 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Tue, 7 Feb 2023 22:09:49 +0000
Subject: nixos/go2rtc: init

---
 nixos/modules/services/video/go2rtc/default.nix | 111 ++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 nixos/modules/services/video/go2rtc/default.nix

(limited to 'nixos/modules/services/video/go2rtc')

diff --git a/nixos/modules/services/video/go2rtc/default.nix b/nixos/modules/services/video/go2rtc/default.nix
new file mode 100644
index 000000000000..45506d551f1c
--- /dev/null
+++ b/nixos/modules/services/video/go2rtc/default.nix
@@ -0,0 +1,111 @@
+{ lib
+, config
+, options
+, pkgs
+, ...
+}:
+
+let
+  inherit (lib)
+    literalExpression
+    mdDoc
+    mkEnableOption
+    mkOption
+    mkPackageOptionMD
+    types
+    ;
+
+  cfg = config.services.go2rtc;
+  opt = options.services.go2rtc;
+
+  format = pkgs.formats.yaml {};
+  configFile = format.generate "go2rtc.yaml" cfg.settings;
+in
+
+{
+  meta.buildDocsInSandbox = false;
+
+  options.services.go2rtc = with types; {
+    enable = mkEnableOption (mdDoc "go2rtc streaming server");
+
+    package = mkPackageOptionMD pkgs "go2rtc" { };
+
+    settings = mkOption {
+      default = {};
+      description = mdDoc ''
+        go2rtc configuration as a Nix attribute set.
+
+        See the [wiki](https://github.com/AlexxIT/go2rtc/wiki/Configuration) for possible configuration options.
+      '';
+      type = submodule {
+        freeformType = format.type;
+        options = {
+          # https://github.com/AlexxIT/go2rtc/blob/v1.5.0/README.md#module-api
+          api = {
+            listen = mkOption {
+              type = str;
+              default = ":1984";
+              example = "127.0.0.1:1984";
+              description = mdDoc ''
+                API listen address, conforming to a Go address string.
+              '';
+            };
+          };
+
+          # https://github.com/AlexxIT/go2rtc/blob/v1.5.0/README.md#source-ffmpeg
+          ffmpeg = {
+            bin = mkOption {
+              type = path;
+              default = "${lib.getBin pkgs.ffmpeg_6-headless}/bin/ffmpeg";
+              defaultText = literalExpression "\${lib.getBin pkgs.ffmpeg_6-headless}/bin/ffmpeg";
+              description = mdDoc ''
+                The ffmpeg package to use for transcoding.
+              '';
+            };
+          };
+
+          # TODO: https://github.com/AlexxIT/go2rtc/blob/v1.5.0/README.md#module-rtsp
+          rtsp = {
+          };
+
+          streams = mkOption {
+            type = attrsOf (either str (listOf str));
+            default = {};
+            example = literalExpression ''
+              {
+                cam1 = "onvif://admin:password@192.168.1.123:2020";
+                cam2 = "tcp://192.168.1.123:12345";
+              }
+            '';
+            description = mdDoc ''
+              Stream source configuration. Multiple source types are supported.
+
+              Check the [configuration reference](https://github.com/AlexxIT/go2rtc/blob/v${cfg.package.version}/README.md#module-streams) for possible options.
+            '';
+          };
+
+          # TODO: https://github.com/AlexxIT/go2rtc/blob/v1.5.0/README.md#module-webrtc
+          webrtc = {
+          };
+        };
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.go2rtc = {
+      after = [
+        "network-online.target"
+      ];
+      wantedBy = [
+        "multi-user.target"
+      ];
+      serviceConfig = {
+        DynamicUser = true;
+        User = "go2rtc";
+        StateDirectory = "go2rtc";
+        ExecStart = "${cfg.package}/bin/go2rtc -config ${configFile}";
+      };
+    };
+  };
+}
-- 
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