𝗖𝗨𝗥𝗥𝗘𝗡𝗧 𝗙𝗜𝗟𝗘 : /usr/share/wireplumber/scripts/default-nodes//apply-default-node.lua
-- WirePlumber
--
-- Copyright © 2022 Collabora Ltd.
--
-- SPDX-License-Identifier: MIT
log = Log.open_topic ("s-default-nodes")
SimpleEventHook {
name = "default-nodes/apply-default-node",
after = { "default-nodes/find-best-default-node",
"default-nodes/find-selected-default-node",
"default-nodes/find-stored-default-node" },
interests = {
EventInterest {
Constraint { "event.type", "=", "select-default-node" },
},
},
execute = function (event)
local source = event:get_source ()
local props = event:get_properties ()
local def_node_type = props ["default-node.type"]
local selected_node = event:get_data ("selected-node")
local om = source:call ("get-object-manager", "metadata")
local metadata = om:lookup { Constraint { "metadata.name", "=", "default" } }
if selected_node then
local key = "default." .. def_node_type
log:info ("set default node for " .. key .. " " .. selected_node)
metadata:set (0, key, "Spa:String:JSON",
Json.Object { ["name"] = selected_node }:to_string ())
else
metadata:set (0, "default." .. def_node_type, nil, nil)
end
end
}:register ()
