Fix missing Subnautica audio on agx-l14

Author: AgenttiX

drivers/pipewire/crackling.conf drivers/pipewire/agx-custom.confdrivers/pipewire/crackling.conf renamed to drivers/pipewire/agx-custom.conf

@@ -1,7 +1,8 @@
-# This configuration is very preliminary and has not been tested yet.
+# https://www.reddit.com/r/linux_gaming/comments/1gao420/low_latency_guide_for_linux_using_pipewire/
 
 context.modules = [
     {
+        # Use realtime scheduling to boost the audio thread priorities.
         # https://www.reddit.com/r/linux_gaming/comments/14rghc5/solution_crackly_audio_while_gaming_w_pipewire/
         name = libpipewire-module-rt
         args = {
@@ -15,6 +16,8 @@ context.modules = [
 ]
 
 context.properties = {
+    # This should be as low as possible, as long as you can hear audio at all and there is no crackling.
+    # https://bbs.archlinux.org/viewtopic.php?id=306981
     # https://www.reddit.com/r/linux_gaming/comments/1gy347h/newbie_here_ive_tried_almost_all_fixes_theres/
     default.clock.min-quantum = 1024
 }

drivers/pipewire/configure-pipewire.sh

@@ -1,14 +1,19 @@
 #!/usr/bin/env bash
 set -eu
 
-if [ "${EUID}" -ne 0 ]; then
-  echo "This script should be run as root."
+if [ "${EUID}" -eq 0 ]; then
+  echo "This script should not be run as root."
   exit 1
 fi
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+PIPEWIRE_CONF_DIR="/usr/share/pipewire"
 
-mkdir -p /etc/pipewire/pipewire.conf.d
-cp "${SCRIPT_DIR}/crackling.conf" "/etc/pipewire/pipewire.conf.d/crackling.conf"
+if [ ! -d "${PIPEWIRE_CONF_DIR}" ]; then
+  echo "PipeWire configuration directory was not found at \"${PIPEWIRE_CONF_DIR}\"."
+  exit 1
+fi
+
+sudo cp "${SCRIPT_DIR}/agx-custom.conf" "${PIPEWIRE_CONF_DIR}/agx-custom.conf"
 
 systemctl --user restart pipewire.service pipewire-pulse.service