__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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-- WirePlumber
--
-- Copyright © 2022-2023 The WirePlumber project contributors
-- @author Dmitry Sharshakov <d3dx12.xx@gmail.com>
--
-- SPDX-License-Identifier: MIT
log = Log.open_topic("s-node")
config = {}
config.rules = Conf.get_section_as_json("node.software-dsp.rules", Json.Array{})
-- TODO: port from Obj Manager to Hooks
clients_om = ObjectManager {
Interest { type = "client" }
}
filter_nodes = {}
hidden_nodes = {}
SimpleEventHook {
name = "node/dsp/create-dsp-node",
interests = {
EventInterest {
Constraint { "event.type", "=", "node-added" },
},
},
execute = function(event)
local node = event:get_subject()
JsonUtils.match_rules (config.rules, node.properties, function (action, value)
if action == "create-filter" then
local props = value:parse (1)
log:debug("DSP rule found for " .. node.properties["node.name"])
if props["filter-graph"] then
log:debug("Loading filter graph for " .. node.properties["node.name"])
filter_nodes[node.id] = LocalModule("libpipewire-module-filter-chain", props["filter-graph"], {})
elseif props["filter-path"] then
log:debug("Loading filter graph for " .. node.properties["node.name"] .. " from disk")
local conf = Conf(props["filter-path"], {
["as-section"] = "node.software-dsp.graph",
["no-fragments"] = true
})
local err = conf:open()
if not err then
local args = conf:get_section_as_json("node.software-dsp.graph"):to_string()
filter_nodes[node.id] = LocalModule("libpipewire-module-filter-chain", args, {})
else
log:warning("Unable to load filter graph for " .. node.properties["node.name"])
end
end
if props["hide-parent"] then
log:debug("Setting permissions to '-' on " .. node.properties["node.name"] .. " for open clients")
for client in clients_om:iterate{ type = "client" } do
if not client["properties"]["wireplumber.daemon"] then
client:update_permissions{ [node["bound-id"]] = "-" }
end
end
hidden_nodes[node["bound-id"]] = node.id
end
end
end)
end
}:register()
SimpleEventHook {
name = "node/dsp/free-dsp-node",
interests = {
EventInterest {
Constraint { "event.type", "=", "node-removed" },
},
},
execute = function(event)
local node = event:get_subject()
if filter_nodes[node.id] then
log:debug("Freeing filter on node " .. node.id)
filter_nodes[node.id] = nil
hidden_nodes[node["bound-id"]] = nil
end
end
}:register()
clients_om:connect("object-added", function (om, client)
for id, _ in pairs(hidden_nodes) do
if not client["properties"]["wireplumber.daemon"] then
client:update_permissions { [id] = "-" }
end
end
end)
clients_om:activate()