From b8f2c0458372c6772bdf29e23b19523c628889ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20B=C3=A4dorf?= <hello@benjaminbaedorf.eu>
Date: Tue, 5 Dec 2023 22:43:03 +0100
Subject: [PATCH] chocolatebar/audio: move audio settings, add RT pipewire
 config

---
 hosts/chocolatebar/audio.nix         | 36 ++++++++++++++++++++++++++++
 hosts/chocolatebar/configuration.nix |  5 ----
 hosts/chocolatebar/default.nix       |  1 +
 3 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100644 hosts/chocolatebar/audio.nix

diff --git a/hosts/chocolatebar/audio.nix b/hosts/chocolatebar/audio.nix
new file mode 100644
index 0000000..ef65c2c
--- /dev/null
+++ b/hosts/chocolatebar/audio.nix
@@ -0,0 +1,36 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; let
+  psCfg = config.pub-solar;
+  xdg = config.home-manager.users."${psCfg.user.name}".xdg;
+in {
+  musnix = {
+    enable = true;
+    kernel.realtime = true;
+    soundcardPciId = "0d:00.4";
+  };
+
+  users.users."${psCfg.user.name}".extraGroups = ["realtime"];
+
+  home-manager.users."${psCfg.user.name}" = {
+    home.packages = with pkgs; [
+      lmms
+      audacity
+    ];
+  };
+
+  environment.etc = {
+    "pipewire/pipewire.conf.d/92-low-latency.conf".text = ''
+      context.properties = {
+        default.clock.rate = 48000
+        default.clock.quantum = 32
+        default.clock.min-quantum = 32
+        default.clock.max-quantum = 32
+      }
+    '';
+  };
+}
diff --git a/hosts/chocolatebar/configuration.nix b/hosts/chocolatebar/configuration.nix
index 14fe9ca..1dc6bbe 100644
--- a/hosts/chocolatebar/configuration.nix
+++ b/hosts/chocolatebar/configuration.nix
@@ -58,11 +58,6 @@ in {
     ];
   };
 
-  musnix = {
-    enable = true;
-    kernel.realtime = true;
-  };
-
   # For OpenProject development with https
   security.pki.certificates = [
     (builtins.readFile ./step-roots.pem)
diff --git a/hosts/chocolatebar/default.nix b/hosts/chocolatebar/default.nix
index 283e273..1152c2d 100644
--- a/hosts/chocolatebar/default.nix
+++ b/hosts/chocolatebar/default.nix
@@ -4,6 +4,7 @@
     ./hardware-configuration.nix
 
     ./networking.nix
+    ./audio.nix
     ./virtualisation
     # ./factorio
   ];