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| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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-- 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 ()