realtime musio production module

flake.lock

@@ -418,6 +418,26 @@
         "type": "github"
       }
     },
+    "musnix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1719810225,
+        "narHash": "sha256-/2loMwYYMrBYSOWjNJ253xlwYhnQZ+PVmyE7NDI/xJA=",
+        "owner": "musnix",
+        "repo": "musnix",
+        "rev": "2197ffe9fa4c2b62e33d656ee443b086dbb4f151",
+        "type": "github"
+      },
+      "original": {
+        "owner": "musnix",
+        "repo": "musnix",
+        "type": "github"
+      }
+    },
     "neovim-nightly-overlay": {
       "inputs": {
         "flake-compat": "flake-compat",
@@ -572,6 +592,7 @@
         "home-manager": "home-manager",
         "hosts": "hosts",
         "ide": "ide",
+        "musnix": "musnix",
         "nid": "nid",
         "nixpkgs": "nixpkgs",
         "parts": "parts",

flake.nix

@@ -25,6 +25,10 @@
       url = "github:nix-community/nix-index-database";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    musnix = {
+      url = "github:musnix/musnix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     catppuccin.url = "github:catppuccin/nix";
   };
   outputs = inputs: inputs.parts.lib.mkFlake { inherit inputs; } { imports = [ ./. ]; };

nixos/configs/default.nix

@@ -14,7 +14,8 @@ in
           ./nova-hardware.nix
           inputs.hosts.nixosModule
           inputs.catppuccin.nixosModules.catppuccin
-        ] ++ (with toplevel.config.flake.nixosModules; [ grub base sound wayland security ivand wireless wireguard style ]);
+          inputs.musnix.nixosModules.musnix
+        ] ++ (with toplevel.config.flake.nixosModules; [ grub base sound music wayland security ivand wireless wireguard style ]);
       });
     vm = withSystem system (ctx@{ config, inputs', ... }:
       inputs.nixpkgs.lib.nixosSystem {

nixos/modules/default.nix

@@ -70,6 +70,34 @@
         };
       };
     });
+    music = moduleWithSystem (toplevel@{ ... }: perSystem@{ pkgs, ... }: {
+      environment.systemPackages = with pkgs; [
+        (writeScriptBin "guitar" ''
+          ${jack2}/bin/jackd -dalsa -r96000 -p512 -n3 -D -Chw:U192k -Phw:U192k &
+          sleep 1
+          ${guitarix}/bin/guitarix
+        '')
+      ];
+      musnix = {
+        enable = true;
+        rtcqs.enable = true;
+        soundcardPciId = "00:1f.3";
+
+        kernel = {
+          realtime = true;
+          packages = pkgs.linuxPackages_6_8_rt;
+        };
+
+        # magic to me
+        rtirq = {
+          # highList = "snd_hrtimer";
+          resetAll = 1;
+          prioLow = 0;
+          enable = true;
+          nameList = "rtc0 snd";
+        };
+      };
+    });
     wayland = moduleWithSystem (toplevel@{ ... }: perSystem@{ ... }: {
       hardware.graphics.enable = true;
       security.pam.services.swaylock = { };