𝗖𝗨𝗥𝗥𝗘𝗡𝗧 𝗙𝗜𝗟𝗘 : /usr/share/wireplumber/scripts/monitors/libcamera//create-node.lua
-- WirePlumber
--
-- Copyright © 2023 Collabora Ltd.
-- @author Ashok Sidipotu <ashok.sidipotu@collabora.com>
--
-- SPDX-License-Identifier: MIT
cutils = require ("common-utils")
mutils = require ("monitor-utils")
log = Log.open_topic ("s-monitors-libcamera")
config = {}
config.rules = Conf.get_section_as_json ("monitor.libcamera.rules", Json.Array {})
SimpleEventHook {
name = "monitor/libcamera/create-node",
after = "monitor/libcamera/name-node",
interests = {
EventInterest {
Constraint { "event.type", "=", "create-libcamera-device-node" },
},
},
execute = function(event)
local properties = event:get_data ("node-properties")
local parent = event:get_subject ()
local id = event:get_data ("node-sub-id")
-- apply properties from rules defined in JSON .conf file
properties = JsonUtils.match_rules_update_properties (config.rules, properties)
if cutils.parseBool (properties["node.disabled"]) then
log:notice ("libcam node" .. properties ["node.name"] .. " disabled")
return
end
-- create the node
local node = Node ("spa-node-factory", properties)
node:activate (Feature.Proxy.BOUND)
parent:store_managed_object (id, node)
end
}:register ()
