feat(sound-levels-maintainer): init

home.nix

@@ -65,6 +65,7 @@
       ./home/obs
       ./home/picom.nix
       ./home/redshift.nix
+      ./home/sound-levels-maintainer
       ./home/starship
       ./home/stylix
       ./home/syncthing

home/sound-levels-maintainer/default.nix

@@ -0,0 +1,15 @@
+# Maintain input/output gain/volume levels
+{
+  pkgs,
+  osConfig,
+  ...
+}: let
+  isBoar = osConfig.networking.hostName == "boar";
+  sound-levels-maintainer = pkgs.writers.writeBashBin "sound-levels-maintainer" (
+    if isBoar
+    then (builtins.readFile ./scripts/sound-levels-maintainer-boar.sh)
+    else (builtins.readFile ./scripts/sound-levels-maintainer-flexbox.sh)
+  );
+in {
+  home.packages = [sound-levels-maintainer];
+}

home/sound-levels-maintainer/scripts/sound-levels-maintainer-boar.sh

@@ -0,0 +1,17 @@
+set -euo pipefail
+
+VIRTUAL_SPEAKER_ID=86
+OBS_MIC_ID=92
+
+wpctl set-volume $VIRTUAL_SPEAKER_ID 1.0
+wpctl set-volume $OBS_MIC_ID 1.0
+
+while true; do
+	current_volume_virtual_speaker=$(wpctl get-volume $VIRTUAL_SPEAKER_ID | awk '{print $2}')
+	current_volume_obs_mic=$(wpctl get-volume $OBS_MIC_ID | awk '{print $2}')
+
+	[ "$current_volume_virtual_speaker" != "1.0" ] && wpctl set-volume $VIRTUAL_SPEAKER_ID 1.0
+	[ "$current_volume_obs_mic" != "1.0" ] && wpctl set-volume $OBS_MIC_ID 1.0
+
+	sleep 1
+done