91 lines
2.8 KiB
Lua
91 lines
2.8 KiB
Lua
-- WirePlumber
|
|
--
|
|
-- Copyright © 2023 Collabora Ltd.
|
|
-- @author Ashok Sidipotu <ashok.sidipotu@collabora.com>
|
|
--
|
|
-- SPDX-License-Identifier: MIT
|
|
|
|
mutils = require ("monitor-utils")
|
|
|
|
log = Log.open_topic ("s-monitors-libcamera")
|
|
|
|
SimpleEventHook {
|
|
name = "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 dev_props = parent.properties
|
|
local factory = event:get_data ("factory")
|
|
local id = event:get_data ("node-sub-id")
|
|
local location = properties ["api.libcamera.location"]
|
|
|
|
-- set the device id and spa factory name; REQUIRED, do not change
|
|
properties ["device.id"] = parent ["bound-id"]
|
|
properties ["factory.name"] = factory
|
|
|
|
-- set the default pause-on-idle setting
|
|
properties ["node.pause-on-idle"] = false
|
|
|
|
-- set the node name
|
|
local name =
|
|
(factory:find ("sink") and "libcamera_output") or
|
|
(factory:find ("source") and "libcamera_input" or factory)
|
|
.. "." ..
|
|
(dev_props ["device.name"]:gsub ("^libcamera_device%.(.+)", "%1") or
|
|
dev_props ["device.name"] or
|
|
dev_props ["device.nick"] or
|
|
dev_props ["device.alias"] or
|
|
"libcamera-device")
|
|
-- sanitize name
|
|
name = name:gsub ("([^%w_%-%.])", "_")
|
|
|
|
properties ["node.name"] = name
|
|
|
|
-- deduplicate nodes with the same name
|
|
for counter = 2, 99, 1 do
|
|
if mutils.find_duplicate (parent, id, "node.name", properties ["node.name"]) then
|
|
properties ["node.name"] = name .. "." .. counter
|
|
else
|
|
break
|
|
end
|
|
end
|
|
|
|
-- set the node description
|
|
local desc = dev_props ["device.description"] or "libcamera-device"
|
|
if location == "front" then
|
|
desc = I18n.gettext ("Built-in Front Camera")
|
|
elseif location == "back" then
|
|
desc = I18n.gettext ("Built-in Back Camera")
|
|
end
|
|
-- sanitize description, replace ':' with ' '
|
|
properties ["node.description"] = desc:gsub ("(:)", " ")
|
|
|
|
-- set the node nick
|
|
local nick = properties ["node.nick"] or
|
|
dev_props ["device.product.name"] or
|
|
dev_props ["device.description"] or
|
|
dev_props ["device.nick"]
|
|
properties ["node.nick"] = nick:gsub ("(:)", " ")
|
|
|
|
-- set priority
|
|
if not properties ["priority.session"] then
|
|
local priority = 700
|
|
if location == "external" then
|
|
priority = priority + 150
|
|
elseif location == "front" then
|
|
priority = priority + 100
|
|
elseif location == "back" then
|
|
priority = priority + 50
|
|
end
|
|
properties ["priority.session"] = priority
|
|
end
|
|
|
|
event:set_data ("node-properties", properties)
|
|
end
|
|
}:register ()
|