Update

2026-03-24 22:53:51 -04:00
parent fe74e79404
commit 89dc5175d9
115 changed files with 1709 additions and 437 deletions
--- a/pipewire/.config/wireplumber/scripts/device/apply-routes.lua
+++ b/pipewire/.config/wireplumber/scripts/device/apply-routes.lua
@@ -0,0 +1,107 @@
+-- WirePlumber
+--
+-- Copyright © 2021-2022 Collabora Ltd.
+--    @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+--
+-- Based on default-routes.c from pipewire-media-session
+-- Copyright © 2020 Wim Taymans
+--
+-- SPDX-License-Identifier: MIT
+--
+-- Set the Route param as part of the "select-routes" event run
+
+devinfo = require ("device-info-cache")
+log = Log.open_topic ("s-device")
+
+AsyncEventHook {
+  name = "device/apply-routes",
+  after = { "device/find-stored-routes",
+            "device/find-best-routes",
+            "device/apply-route-props" },
+  interests = {
+    EventInterest {
+      Constraint { "event.type", "=", "select-routes" },
+    },
+  },
+  steps = {
+    start = {
+      next = "none",
+      execute = function (event, transition)
+        local device = event:get_subject ()
+        local selected_routes = event:get_data ("selected-routes")
+
+        local dev_info = devinfo:get_device_info (device)
+        assert (dev_info)
+
+        if not selected_routes then
+          log:info (device, "No routes selected to set on " .. dev_info.name)
+          transition:advance ()
+          return
+        end
+
+        for device_id, route in pairs (selected_routes) do
+           -- JSON to lua table
+          route = Json.Raw (route):parse ()
+
+           -- steal the props
+          local props = route.props or {}
+
+          -- replace with the full route info
+          local route_info = devinfo.find_route_info (dev_info, route)
+          if not route_info then
+            goto skip_route
+          end
+
+          -- ensure default values
+          local is_input = (route_info.direction == "Input")
+          props.mute = props.mute or false
+          props.channelVolumes = props.channelVolumes or
+              { is_input and Settings.get_float ("device.routes.default-source-volume")
+                          or Settings.get_float ("device.routes.default-sink-volume") }
+
+          -- prefix the props with correct IDs to create a Pod.Object
+          table.insert (props, 1, "Spa:Pod:Object:Param:Props")
+          table.insert (props, 2, "Route")
+
+          -- convert arrays to Spa Pod
+          if props.channelVolumes then
+            table.insert (props.channelVolumes, 1, "Spa:Float")
+            props.channelVolumes = Pod.Array (props.channelVolumes)
+          end
+          if props.channelMap then
+            table.insert (props.channelMap, 1, "Spa:Enum:AudioChannel")
+            props.channelMap = Pod.Array (props.channelMap)
+          end
+          if props.iec958Codecs then
+            table.insert (props.iec958Codecs, 1, "Spa:Enum:AudioIEC958Codec")
+            props.iec958Codecs = Pod.Array (props.iec958Codecs)
+          end
+
+          -- construct Route param
+          local param = Pod.Object {
+            "Spa:Pod:Object:Param:Route", "Route",
+            index = route_info.index,
+            device = device_id,
+            props = Pod.Object (props),
+            save = route_info.save,
+          }
+
+          log:debug (param,
+            string.format ("setting route(%s) on for device(%s)(%s)",
+              route_info.name, dev_info.name, tostring (device)))
+
+          device:set_param ("Route", param)
+
+          ::skip_route::
+        end
+
+        -- FIXME: add cancellability
+        -- sync on the pipewire connection to ensure that the params
+        -- have been configured on the remote device object
+        Core.sync (function ()
+          transition:advance ()
+        end)
+      end
+    },
+  }
+}:register()