mirror of
https://gitlab.freedesktop.org/pipewire/wireplumber.git
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e4325bc41d
Setting node target by id is not safe due to id reuse, and so target.object which specifies the target by its object.serial was introduced, and is used e.g. by pipewire-pulse. Use target.object specifications in policy-node if they are present.
129 lines
3.2 KiB
Lua
129 lines
3.2 KiB
Lua
-- WirePlumber
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--
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-- Copyright © 2021 Collabora Ltd.
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-- @author Julian Bouzas <julian.bouzas@collabora.com>
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--
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-- SPDX-License-Identifier: MIT
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-- Receive script arguments from config.lua
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local config = ... or {}
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items = {}
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function configProperties(node)
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local np = node.properties
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local properties = {
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["item.node"] = node,
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["item.plugged.usec"] = GLib.get_monotonic_time(),
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["item.features.no-dsp"] = config["audio.no-dsp"],
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["item.features.monitor"] = true,
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["item.features.control-port"] = false,
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["node.id"] = node["bound-id"],
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["client.id"] = np["client.id"],
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["object.path"] = np["object.path"],
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["object.serial"] = np["object.serial"],
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["target.object"] = np["target.object"],
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["priority.session"] = np["priority.session"],
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["device.id"] = np["device.id"],
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["card.profile.device"] = np["card.profile.device"],
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}
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for k, v in pairs(np) do
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if k:find("^node") or k:find("^stream") or k:find("^media") then
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properties[k] = v
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end
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end
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local media_class = properties["media.class"] or ""
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if not properties["media.type"] then
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for _, i in ipairs({ "Audio", "Video", "Midi" }) do
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if media_class:find(i) then
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properties["media.type"] = i
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break
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end
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end
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end
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properties["item.node.type"] =
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media_class:find("^Stream/") and "stream" or "device"
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if media_class:find("Sink") or
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media_class:find("Input") or
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media_class:find("Duplex") then
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properties["item.node.direction"] = "input"
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elseif media_class:find("Source") or media_class:find("Output") then
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properties["item.node.direction"] = "output"
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end
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return properties
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end
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function addItem (node, item_type)
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local id = node["bound-id"]
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local item
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-- create item
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item = SessionItem ( item_type )
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items[id] = item
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-- configure item
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if not item:configure(configProperties(node)) then
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Log.warning(item, "failed to configure item for node " .. tostring(id))
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return
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end
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item:register ()
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-- activate item
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items[id]:activate (Features.ALL, function (item, e)
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if e then
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Log.message(item, "failed to activate item: " .. tostring(e));
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if item then
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item:remove ()
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end
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else
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Log.info(item, "activated item for node " .. tostring(id))
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-- Trigger object managers to update status
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item:remove ()
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if item["active-features"] ~= 0 then
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item:register ()
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end
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end
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end)
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end
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nodes_om = ObjectManager {
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Interest {
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type = "node",
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Constraint { "media.class", "#", "Stream/*", type = "pw-global" },
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},
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Interest {
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type = "node",
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Constraint { "media.class", "#", "Video/*", type = "pw-global" },
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},
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Interest {
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type = "node",
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Constraint { "media.class", "#", "Audio/*", type = "pw-global" },
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Constraint { "wireplumber.is-endpoint", "-", type = "pw" },
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},
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}
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nodes_om:connect("object-added", function (om, node)
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local media_class = node.properties['media.class']
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if string.find (media_class, "Audio") then
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addItem (node, "si-audio-adapter")
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else
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addItem (node, "si-node")
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end
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end)
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nodes_om:connect("object-removed", function (om, node)
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local id = node["bound-id"]
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if items[id] then
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items[id]:remove ()
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items[id] = nil
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end
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end)
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nodes_om:activate()
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