feat: add easyeffects

- enable easyeffects service
- add microphone config

home/felschr.nix

@@ -15,6 +15,7 @@
     ./ausweisapp.nix
     ./gaming
     ./services/languagetool.nix
+    ./services/easyeffects.nix
   ];
 
   programs.gpg.enable = true;

home/services/easyeffects.nix

@@ -0,0 +1,101 @@
+{ config, lib, pkgs, ... }:
+
+{
+  services.easyeffects.enable = true;
+
+  # based on https://gist.github.com/MateusRodCosta/a10225eb132cdcb97d7c458526f93085
+  xdg.configFile."easyeffects/input/optimised.json".text = builtins.toJSON {
+    input = {
+      blocklist = [ ];
+      compressor = {
+        attack = 20.0;
+        boost-amount = 6.0;
+        boost-threshold = -72.0;
+        bypass = false;
+        hpf-frequency = 10.0;
+        hpf-mode = "off";
+        input-gain = 0.0;
+        knee = -6.0;
+        lpf-frequency = 20000.0;
+        lpf-mode = "off";
+        makeup = 0.0;
+        mode = "Downward";
+        output-gain = 0.0;
+        ratio = 4.0;
+        release = 100.0;
+        release-threshold = -120.0;
+        sidechain = {
+          lookahead = 0.0;
+          mode = "RMS";
+          preamp = 0.0;
+          reactivity = 10.0;
+          source = "Middle";
+          type = "Feed-forward";
+        };
+        threshold = -12.0;
+      };
+      gate = {
+        attack = 10.0;
+        bypass = false;
+        curve-threshold = -24.0;
+        curve-zone = -6.0;
+        hpf-frequency = 10.0;
+        hpf-mode = "off";
+        hysteresis = false;
+        hysteresis-threshold = -12.0;
+        hysteresis-zone = -6.0;
+        input-gain = 0.0;
+        lpf-frequency = 20000.0;
+        lpf-mode = "off";
+        makeup = 0.0;
+        output-gain = 0.0;
+        reduction = -12.0;
+        release = 100.0;
+        sidechain = {
+          input = "Internal";
+          lookahead = 0.0;
+          mode = "RMS";
+          preamp = 0.0;
+          reactivity = 10.0;
+          source = "Middle";
+        };
+      };
+      limiter = {
+        alr = false;
+        alr-attack = 5.0;
+        alr-knee = 0.0;
+        alr-release = 50.0;
+        attack = 5.0;
+        bypass = false;
+        dithering = "None";
+        external-sidechain = false;
+        gain-boost = true;
+        input-gain = 0.0;
+        lookahead = 5.0;
+        mode = "Herm Thin";
+        output-gain = 0.0;
+        oversampling = "None";
+        release = 5.0;
+        sidechain-preamp = 0.0;
+        stereo-link = 100.0;
+        threshold = 0.0;
+      };
+      plugins_order = [ "gate" "compressor" "rnnoise" "limiter" ];
+      rnnoise = {
+        bypass = false;
+        input-gain = 0.0;
+        model-path = "";
+        output-gain = 0.0;
+      };
+    };
+  };
+
+  xdg.configFile."easyeffects/autoload/input/alsa_input.usb-Blue_Microphones_Yeti_Stereo_Microphone_REV8-00.analog-stereo:analog-input-mic.json".text =
+    builtins.toJSON {
+      device =
+        "alsa_input.usb-Blue_Microphones_Yeti_Stereo_Microphone_REV8-00.analog-stereo";
+      device-description = "Yeti Stereo Microphone Analog Stereo";
+      device-profile = "analog-input-mic";
+      preset-name = "optimised";
+    };
+}