42 lines
1.1 KiB
Lua
42 lines
1.1 KiB
Lua
-- WirePlumber
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--
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-- Copyright © 2022 Collabora Ltd.
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--
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-- SPDX-License-Identifier: MIT
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log = Log.open_topic ("s-default-nodes")
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nutils = require ("node-utils")
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SimpleEventHook {
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name = "default-nodes/find-best-default-node",
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interests = {
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EventInterest {
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Constraint { "event.type", "=", "select-default-node" },
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},
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},
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execute = function (event)
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local available_nodes = event:get_data ("available-nodes")
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local selected_prio = event:get_data ("selected-node-priority") or 0
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local selected_node = event:get_data ("selected-node")
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available_nodes = available_nodes and available_nodes:parse ()
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if not available_nodes then
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return
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end
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for _, node_props in ipairs (available_nodes) do
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-- Highest priority node wins
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local priority = nutils.get_session_priority (node_props)
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if priority > selected_prio or selected_node == nil then
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selected_prio = priority
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selected_node = node_props ["node.name"]
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end
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end
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event:set_data ("selected-node-priority", selected_prio)
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event:set_data ("selected-node", selected_node)
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end
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}:register ()
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