Rebase to flake parts #6

2026-05-08 19:05:10 -03:00
parent d51f41566c
commit 1015cf4577
18 changed files with 934 additions and 35 deletions
@@ -0,0 +1,98 @@
+{ ... }: {
+  flake.nixosModules.systemAudio =
+    { config, lib, ... }:
+    let
+      cfg = config.chiasson.system.audio;
+    in
+    {
+      options.chiasson.system.audio = {
+        enable = lib.mkEnableOption ''
+          PipeWire (ALSA + Pulse), RTKit, optional WirePlumber tweak to kill idle suspend pop on devices.
+        '';
+
+        rtkit.enable = lib.mkOption {
+          type = lib.types.bool;
+          default = true;
+          description = "Enable `security.rtkit.enable` (recommended with PipeWire).";
+        };
+
+        pipewire = {
+          alsa = {
+            enable = lib.mkOption {
+              type = lib.types.bool;
+              default = true;
+              description = "PipeWire ALSA support.";
+            };
+            support32Bit = lib.mkOption {
+              type = lib.types.bool;
+              default = true;
+              description = "32-bit ALSA support on x86_64.";
+            };
+          };
+          pulse.enable = lib.mkOption {
+            type = lib.types.bool;
+            default = true;
+            description = "PipeWire PulseAudio compatibility (`pulseaudio` clients).";
+          };
+          jack.enable = lib.mkOption {
+            type = lib.types.bool;
+            default = false;
+            description = "PipeWire JACK support (e.g. pro-audio / low-latency apps).";
+          };
+        };
+
+        preventIdleSuspend = lib.mkOption {
+          type = lib.types.bool;
+          default = true;
+          description = ''
+            WirePlumber + clock hints so ALSA nodes do not sleep (~0.5s glitch on resume otherwise).
+          '';
+        };
+      };
+
+      config = lib.mkIf cfg.enable (lib.mkMerge [
+        {
+          services.pulseaudio.enable = false;
+          security.rtkit.enable = cfg.rtkit.enable;
+
+          services.pipewire = lib.mkMerge [
+            {
+              enable = true;
+              alsa.enable = cfg.pipewire.alsa.enable;
+              alsa.support32Bit = cfg.pipewire.alsa.support32Bit;
+              pulse.enable = cfg.pipewire.pulse.enable;
+            }
+            (lib.mkIf cfg.pipewire.jack.enable {
+              jack.enable = true;
+            })
+            (lib.mkIf cfg.preventIdleSuspend {
+              extraConfig.pipewire = {
+                "context.properties" = {
+                  "default.clock.quantum" = 1024;
+                  "default.clock.min-quantum" = 32;
+                  "default.clock.max-quantum" = 8192;
+                };
+              };
+            })
+          ];
+        }
+        (lib.mkIf cfg.preventIdleSuspend {
+          environment.etc."wireplumber/wireplumber.conf.d/99-prevent-suspend.conf".text = ''
+            monitor.alsa.rules = [
+              {
+                matches = [
+                  { node.name = "~alsa_output.*" }
+                  { node.name = "~alsa_input.*" }
+                ]
+                actions = {
+                  update-props = {
+                    session.suspend-timeout-seconds = 0
+                  }
+                }
+              }
+            ]
+          '';
+        })
+      ]);
+    };
+}