ACIL FM

Nama	Ukuran	Aksi
access	-	Open
monitors	-	Open
create-item.lua	3.23 MB	View DL Edit
fallback-sink.lua	2.32 MB	View DL Edit
intended-roles.lua	2.03 MB	View DL Edit
policy-bluetooth.lua	10.88 MB	View DL Edit
policy-device-profile.lua	5.07 MB	View DL Edit
policy-device-routes.lua	13.74 MB	View DL Edit
policy-endpoint-client-links.lua	5.51 MB	View DL Edit
policy-endpoint-client.lua	6.95 MB	View DL Edit
policy-endpoint-device.lua	6.07 MB	View DL Edit
policy-node.lua	29.58 MB	View DL Edit
restore-stream.lua	12.66 MB	View DL Edit
static-endpoints.lua	910 B	View DL Edit
suspend-node.lua	1.46 MB	View DL Edit

Edit file: /usr/share/wireplumber/scripts/fallback-sink.lua

-- WirePlumber
--
-- Copyright © 2021 Collabora Ltd.
--    @author Frédéric Danis <frederic.danis@collabora.com>
--
-- SPDX-License-Identifier: MIT

local sink_ids = {}
local fallback_node = nil

node_om = ObjectManager {
  Interest {
    type = "node",
    Constraint { "media.class", "matches", "Audio/Sink", type = "pw-global" },
    -- Do not consider endpoints created by WirePlumber
    Constraint { "wireplumber.is-endpoint", "!", true, type = "pw" },
    -- or the fallback sink itself
    Constraint { "wireplumber.is-fallback", "!", true, type = "pw" },
  }
}

function createFallbackSink()
  if fallback_node then
    return
  end

Log.info("Create fallback sink")

local properties = {}

properties["node.name"] = "auto_null"
  properties["node.description"] = "Dummy Output"

properties["audio.rate"] = 48000
  properties["audio.channels"] = 2
  properties["audio.position"] = "FL,FR"

properties["media.class"] = "Audio/Sink"
  properties["factory.name"] = "support.null-audio-sink"
  properties["node.virtual"] = "true"
  properties["monitor.channel-volumes"] = "true"

properties["wireplumber.is-fallback"] = "true"
  properties["priority.session"] = 500

fallback_node = LocalNode("adapter", properties)
  fallback_node:activate(Feature.Proxy.BOUND)
end

function checkSinks()
  local sink_ids_items = 0
  for _ in pairs(sink_ids) do sink_ids_items = sink_ids_items + 1 end

if sink_ids_items > 0 then
    if fallback_node then
      Log.info("Remove fallback sink")
      fallback_node = nil
    end
  elseif not fallback_node then
    createFallbackSink()
  end
end

function checkSinksAfterTimeout()
  if timeout_source then
    timeout_source:destroy()
  end
  timeout_source = Core.timeout_add(1000, function ()
    checkSinks()
    timeout_source = nil
  end)
end

node_om:connect("object-added", function (_, node)
  Log.debug("object added: " .. node.properties["object.id"] .. " " ..
      tostring(node.properties["node.name"]))

sink_ids[node.properties["object.id"]] = node.properties["node.name"]

checkSinksAfterTimeout()
end)

node_om:connect("object-removed", function (_, node)
  Log.debug("object removed: " .. node.properties["object.id"] .. " " ..
      tostring(node.properties["node.name"]))

sink_ids[node.properties["object.id"]] = nil
  checkSinksAfterTimeout()
end)

node_om:activate()

checkSinksAfterTimeout()

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