feat(mediabox): wyoming

nixos/wyoming/openwakeword.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkIf mkDefault;
+  cfg = config.services.wyoming.openwakeword;
+in {
+  imports = [./wyoming.nix];
+  services.wyoming.openwakeword = {
+    enable = mkDefault true;
+    uri = mkDefault "tcp://0.0.0.0:10400";
+    # models: https://github.com/dscripka/openWakeWord?tab=readme-ov-file#pre-trained-models
+    preloadModels = mkDefault [
+      "ok_nabu"
+      "hey_rhasspy"
+    ];
+  };
+
+  # allow access to LAN satellites
+  networking.firewall.interfaces.local.allowedTCPPorts = mkIf cfg.enable [cfg.port];
+}

nixos/wyoming/piper.nix

@@ -0,0 +1,18 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkDefault;
+in {
+  imports = [./wyoming.nix];
+  services.wyoming.piper = {
+    # voices: https://rhasspy.github.io/piper-samples/
+    servers.piper = {
+      enable = mkDefault true;
+      uri = mkDefault "tcp://0.0.0.0:10200";
+      voice = mkDefault "en_GB-semaine-medium";
+      speaker = mkDefault 0;
+    };
+  };
+}

nixos/wyoming/whisper.nix

@@ -0,0 +1,40 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkIf mkForce mkDefault;
+  cfg = config.services.wyoming.faster-whisper;
+  inherit (cfg.servers) whisper;
+  useRocm = false; # broken...
+in {
+  imports = [./wyoming.nix];
+  services.wyoming.faster-whisper = {
+    # models: https://github.com/rhasspy/wyoming-faster-whisper/releases/tag/v2.0.0
+    servers.whisper = {
+      enable = mkDefault true;
+      language = mkDefault "en";
+      model = let
+        #distil = "distil";
+        #distil = "distil-whisper/distil-whisper";
+        distil = "Systran/faster-distil-whisper";
+        #size = "small.en";
+        size = "medium.en";
+        #size = "large-v3";
+      in
+        mkDefault "${distil}-${size}";
+      uri = mkDefault "tcp://0.0.0.0:10300";
+      device = mkIf useRocm "cuda";
+    };
+  };
+  systemd.services.wyoming-faster-whisper-whisper = mkIf whisper.enable {
+    serviceConfig = mkIf (whisper.device != "cpu" && useRocm) {
+      DeviceAllow = [
+        "char-drm"
+        "char-kfd"
+      ];
+      SupplementaryGroups = ["render"];
+      PrivateDevices = mkForce false;
+    };
+  };
+}

nixos/wyoming/wyoming.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib.modules) mkIf mkMerge;
+  inherit (lib.attrsets) mapAttrsToList;
+  cfgs = config.services.wyoming;
+in {
+  config = {
+    networking.firewall.interfaces.lan.allowedTCPPorts = let
+      mkServerPort = _: server: mkIf (server.enable && server ? port) server.port;
+      mkServicePorts = name: cfg:
+        mapAttrsToList mkServerPort
+        cfg.servers
+        or {
+          ${name} = cfg;
+        };
+    in
+      mkMerge (mapAttrsToList mkServicePorts cfgs);
+  };
+}