src: scripts: add create-item.lua and remove create-endpoint.lua

src/scripts/create-item.lua

@@ -0,0 +1,56 @@
+-- WirePlumber
+--
+-- Copyright © 2021 Collabora Ltd.
+--    @author Julian Bouzas <julian.bouzas@collabora.com>
+--
+-- SPDX-License-Identifier: MIT
+
+items = {}
+
+function addItem (node, item_type)
+  local id = node["bound-id"]
+
+  -- create item
+  items[id] = SessionItem ( item_type )
+
+  -- configure item
+  if not items[id]:configure {
+      ["node"] = node,
+  } then
+    Log.warning(items[id], "failed to configure item for node " .. tostring(id))
+    return
+  end
+
+  -- activate item
+  items[id]:activate (Feature.SessionItem.ACTIVE, function (item)
+    Log.info(item, "activated item for node " .. tostring(id))
+    item:register ()
+  end)
+end
+
+nodes_om = ObjectManager { Interest { type = "node" } }
+
+nodes_om:connect("object-added", function (om, node)
+  local media_class = node.properties['media.class']
+
+  -- skip nodes without media class
+  if media_class == nil then
+    return
+  end
+
+  if string.find (media_class, "Audio") then
+    addItem (node, "si-audio-adapter")
+  else
+    addItem (node, "si-node")
+  end
+end)
+
+nodes_om:connect("object-removed", function (om, node)
+  local id = node["bound-id"]
+  if items[id] then
+    items[id]:remove ()
+    items[id] = nil
+  end
+end)
+
+nodes_om:activate()