From 35ca8b27be70bbabf07030a9ded0982f3856f67e Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Tue, 8 Jul 2025 10:33:39 -0700
Subject: [PATCH] add back easyeffects

---
 home-manager/home-mreow.nix                   |   2 +
 .../progs/framework-13-easyeffects.nix        | 121 ++++++++++++++++++
 2 files changed, 123 insertions(+)
 create mode 100644 home-manager/progs/framework-13-easyeffects.nix

diff --git a/home-manager/home-mreow.nix b/home-manager/home-mreow.nix
index 67a7a0b..a2068cb 100644
--- a/home-manager/home-mreow.nix
+++ b/home-manager/home-mreow.nix
@@ -21,6 +21,8 @@
     ./progs/dunst.nix
 
     ./progs/borg.nix
+
+    ./progs/framework-13-easyeffects.nix
   ];
 
   home.packages = with pkgs; [
diff --git a/home-manager/progs/framework-13-easyeffects.nix b/home-manager/progs/framework-13-easyeffects.nix
new file mode 100644
index 0000000..1dca4e1
--- /dev/null
+++ b/home-manager/progs/framework-13-easyeffects.nix
@@ -0,0 +1,121 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+{
+
+  # https://community.frame.work/t/speakers-sound-quality/1078/83
+  # Filter: ON HPQ  Fc 100.0   Hz   Gain  0.0   dB  Q 1.0
+  # Filter: ON PK   Fc 150.0   Hz   Gain  4.02  dB  Q 3.0
+  # Filter: ON PK   Fc 600.0   Hz   Gain -5.07  dB  Q 4.000000000000008
+  # Filter: ON PK   Fc 1200.0  Hz   Gain -3.49  dB  Q 4.17
+  # Filter: ON PK   Fc 2000.0  Hz   Gain  1.43  dB  Q 4.0
+  # Filter: ON PK   Fc 5300.0  Hz   Gain  3.84  dB  Q 2.64
+  # Filter: ON HSC  Fc 6000.0  Hz   Gain  4.02  dB  Q 4.36
+  # Filter: ON PK   Fc 7500.0  Hz   Gain -2.09  dB  Q 3.0
+  # Filter: ON PK   Fc 8000.0  Hz   Gain  2.01  dB  Q 4.36
+  # Filter: ON PK   Fc 900.0   Hz   Gain -4.12  dB  Q 5.909999999999967
+  home.file.".config/easyeffects/output/${config.services.easyeffects.preset}.json".text =
+    let
+      baseBand = {
+        mode = "RLC (BT)";
+        mute = false;
+        solo = false;
+        slope = "1x";
+        type = "Bell";
+      };
+
+      bandList = [
+        {
+          frequency = 100.0;
+          gain = 0.0;
+          q = 1.0;
+          slope = "x4";
+          type = "Hi-pass";
+        }
+        {
+          frequency = 150.0;
+          gain = 4.02;
+          q = 3.0;
+        }
+        {
+          frequency = 600.0;
+          gain = -5.07;
+          q = 4.000000000000008;
+        }
+        {
+          frequency = 1200.0;
+          gain = -3.49;
+          q = 4.17;
+        }
+        {
+          frequency = 2000.0;
+          gain = 1.43;
+          q = 4.0;
+        }
+        {
+          frequency = 5300.0;
+          gain = 3.84;
+          q = 2.64;
+        }
+        {
+          frequency = 6000.0;
+          gain = 4.02;
+          q = 4.36;
+          type = "Hi-shelf";
+        }
+        {
+          frequency = 7500.0;
+          gain = -2.09;
+          q = 3.0;
+        }
+        {
+          frequency = 8000.0;
+          gain = 2.01;
+          q = 4.36;
+        }
+        {
+          frequency = 900.0;
+          gain = -4.12;
+          q = 5.909999999999967;
+        }
+      ];
+
+      bands = builtins.listToAttrs (
+        map (f: {
+          name = "band${toString f.snd}";
+          value = baseBand // f.fst;
+        }) (lib.lists.zipLists bandList (lib.range 0 (lib.length (bandList))))
+      );
+
+    in
+    builtins.toJSON {
+      output = {
+        blocklist = [ ];
+        equalizer = {
+          balance = 0.0;
+          bypass = false;
+          input-gain = 0.0;
+          left = bands;
+          right = bands;
+          mode = "IIR";
+          num-bands = 10;
+          output-gain = -1.5;
+          pitch-left = 0.0;
+          pitch-right = 0.0;
+          split-channels = false;
+        };
+        plugins_order = [
+          "equalizer"
+        ];
+      };
+    };
+
+  services.easyeffects = {
+    enable = true;
+    package = pkgs.easyeffects;
+    preset = "framework";
+  };
+}