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