meta-agl: split wireplumber to run in multiple instances

[AGL/meta-agl.git] / meta-pipewire / recipes-multimedia / wireplumber / wireplumber-config-agl / host.lua.d / 40-device-defaults.lua

diff --git a/meta-pipewire/recipes-multimedia/wireplumber/wireplumber-config-agl/host.lua.d/40-device-defaults.lua b/meta-pipewire/recipes-multimedia/wireplumber/wireplumber-config-agl/host.lua.d/40-device-defaults.lua
new file mode 100644 (file)
index 0000000..365bab5
--- /dev/null
+++ b/meta-pipewire/recipes-multimedia/wireplumber/wireplumber-config-agl/host.lua.d/40-device-defaults.lua
@@ -0,0 +1,26 @@
+device_defaults = {}
+
+device_defaults.properties = {
+  -- store preferences to the file system and restore them at startup;
+  -- when set to false, default nodes and routes are selected based on
+  -- their priorities and any runtime changes do not persist after restart
+  ["use-persistent-storage"] = false,
+}
+
+function device_defaults.enable()
+  -- Selects appropriate default nodes and enables saving and restoring them
+  load_module("default-nodes", device_defaults.properties)
+
+  -- Selects appropriate default routes ("ports" in pulseaudio terminology)
+  -- and enables saving and restoring them together with
+  -- their properties (per-route/port volume levels, channel maps, etc)
+  load_script("default-routes.lua", device_defaults.properties)
+
+  if device_defaults.properties["use-persistent-storage"] then
+    -- Enables functionality to save and restore default device profiles
+    load_module("default-profile")
+
+    -- Save and restore stream-specific properties
+    load_script("restore-stream.lua")
+  end
+end