From b3646bc382fba20201e1010bfe969963ab447c33 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20R=C3=B6ger?= <jonas.roeger@tu-dortmund.de>
Date: Wed, 25 Jun 2025 01:41:26 +0200
Subject: [PATCH] System Gen79 @ 2025-06-25-01:41:25 by jonas@monolith

---
 modules/hardware/sound.nix | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/modules/hardware/sound.nix b/modules/hardware/sound.nix
index 3b7802f..f9c24da 100644
--- a/modules/hardware/sound.nix
+++ b/modules/hardware/sound.nix
@@ -48,7 +48,23 @@ in {
       requires = ["pipewire.service"];
       serviceConfig = {
         Type = "oneshot";
-        ExecStart = "${pkgs.noisetorch}/bin/noisetorch -i -t ${toString cfg.noisetorch-threshold}";
+        ExecStart = "${pkgs.writeShellScript "load-noisetorch" ''
+          set -euo pipefail
+          NOISETORCH="${pkgs.noisetorch}/bin/noisetorch"
+          WPCTL="${pkgs.wireplumber}/bin/wpctl"
+          GREP="${pkgs.gnugrep}/bin/grep"
+          AWK="${pkgs.gawk}/bin/awk"
+          HEAD="${pkgs.coreutils}/bin/head"
+
+          $NOISETORCH -i -t ${toString cfg.noisetorch-threshold};
+          sleep 2
+          FILTER_ID=$($WPCTL status | $GREP "NoiseTorch" | $AWK '{print $2}' | $HEAD -c-2)
+          if [ -n "$FILTER_ID" ]; then
+            $WPCTL set-default $FILTER_ID
+          else
+            echo "Noisetorch filter not found, skipping setting default source."
+          fi
+        ''}";
         ExecStop = "${pkgs.noisetorch}/bin/noisetorch -u";
         RemainAfterExit = true;
       };