scripts: add static-sessions.lua

Replaces the old create-session wireplumber.conf commands

src/config/config.lua

@@ -24,9 +24,9 @@ function load_pw_module(m)
   end
 end
 
-function load_script(s)
+function load_script(s, a)
   if not components[s] then
-    components[s] = { s, type = "script/lua" }
+    components[s] = { s, type = "script/lua", args = a }
   end
 end
 
@@ -88,6 +88,10 @@ function enable_bluetooth()
 end
 
 function enable_endpoints()
+  load_script("static-sessions.lua", {
+    ["audio"] = {},
+    ["video"] = {},
+  })
   load_script("create-endpoint.lua")
   load_script("policy-endpoint.lua")
 end

src/scripts/static-sessions.lua

@@ -0,0 +1,29 @@
+-- WirePlumber
+--
+-- Copyright © 2021 Collabora Ltd.
+--    @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+--
+-- SPDX-License-Identifier: MIT
+
+-- Receive script arguments from config.lua
+local sessions_config = ...
+
+if sessions_config then
+  sessions = {}
+
+  for k, v in pairs(sessions_config) do
+    Log.info("Creating session: " .. k)
+
+    sessions[k] = ImplSession()
+
+    if type(v) == "table" then
+      v["session.name"] = k
+      sessions[k]:update_properties(v)
+    else
+      sessions[k]:update_properties({
+        ["session.name"] = k
+      })
+    end
+    sessions[k]:activate()
+  end
+end