feat(systemd): add config

home/dot_config/wireplumber/wireplumber.conf.d/99-user-scripts.conf

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+wireplumber.components = [
+  {
+    name = auto-connect-ports.lua, type = script/lua
+    provides = custom.auto-connect-ports
+  }
+]
+
+wireplumber.profiles = {
+  main = {
+    custom.auto-connect-ports = required
+  }
+}
+

home/private_dot_local/private_share/wireplumber/scripts/auto-connect-ports.lua

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+-- As explained on: https://bennett.dev/auto-link-pipewire-ports-wireplumber/
+--
+-- This script keeps my stereo-null-sink connected to whatever output I'm currently using.
+-- I do this so Pulseaudio (and Wine) always sees a stereo output plus I can swap the output
+-- without needing to reconnect everything.
+
+-- Link two ports together
+function link_port(output_port, input_port)
+  if not input_port or not output_port then
+    return nil
+  end
+
+  local link_args = {
+    ["link.input.node"] = input_port.properties["node.id"],
+    ["link.input.port"] = input_port.properties["object.id"],
+
+    ["link.output.node"] = output_port.properties["node.id"],
+    ["link.output.port"] = output_port.properties["object.id"],
+    
+    -- The node never got created if it didn't have this field set to something
+    ["object.id"] = nil,
+
+    -- I was running into issues when I didn't have this set
+    ["object.linger"] = true,
+
+    ["node.description"] = "Link created by auto_connect_ports"
+  }
+
+  local link = Link("link-factory", link_args)
+  link:activate(1)
+
+  return link
+end
+
+-- Automatically link ports together by their specific audio channels.
+--
+-- ┌──────────────────┐         ┌───────────────────┐
+-- │                  │         │                   │
+-- │               FL ├────────►│ AUX0              │
+-- │      OUTPUT      │         │                   │
+-- │               FR ├────────►│ AUX1  INPUT       │
+-- │                  │         │                   │
+-- └──────────────────┘         │ AUX2              │
+--                              │                   │
+--                              └───────────────────┘
+-- 
+-- -- Call this method inside a script in global scope
+--
+-- auto_connect_ports {
+--
+--   -- A constraint for all the required ports of the output device 
+--   output = Constraint { "node.name"}
+--
+--   -- A constraint for all the required ports of the input device 
+--   input = Constraint { .. }
+--
+--   -- A mapping of output audio channels to input audio channels
+--
+--   connections = {
+--     ["FL"] = "AUX0"
+--     ["FR"] = "AUX1"
+--   }
+--
+-- }
+--
+function auto_connect_ports(args)
+  local output_om = ObjectManager {
+    Interest {
+      type = "port",
+      args["output"],
+      Constraint { "port.direction", "equals", "out" }
+    }
+  }
+
+  local links = {}
+
+  local input_om = ObjectManager {
+    Interest {
+      type = "port",
+      args["input"],
+      Constraint { "port.direction", "equals", "in" }
+    }
+  }
+
+  local all_links = ObjectManager {
+    Interest {
+      type = "link",
+    }
+  }
+
+  local unless = nil
+
+  if args["unless"] then
+    unless = ObjectManager {
+      Interest {
+        type = "port",
+        args["unless"],
+        Constraint { "port.direction", "equals", "in" }
+      }
+    }
+  end
+
+  function _connect()
+    local delete_links = unless and unless:get_n_objects() > 0
+
+    if delete_links then
+      for _i, link in pairs(links) do
+        link:request_destroy()
+      end
+
+      links = {}
+
+      return
+    end
+
+    for output_name, input_names in pairs(args.connect) do
+      local input_names = input_names[1] == nil and { input_names } or input_names
+
+      if delete_links then
+      else
+        -- Iterate through all the output ports with the correct channel name
+        for output in output_om:iterate { Constraint { "audio.channel", "equals", output_name } } do
+          for _i, input_name in pairs(input_names) do
+            -- Iterate through all the input ports with the correct channel name
+            for input in input_om:iterate { Constraint { "audio.channel", "equals", input_name } } do
+              -- Link all the nodes
+              local link = link_port(output, input)
+
+              if link then
+                table.insert(links, link)
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+
+  output_om:connect("object-added", _connect)
+  input_om:connect("object-added", _connect)
+  all_links:connect("object-added", _connect)
+
+  output_om:activate()
+  input_om:activate()
+  all_links:activate()
+
+  if unless then
+    unless:connect("object-added", _connect)
+    unless:connect("object-removed", _connect)
+    unless:activate()
+  end
+end
+
+-- pw-cli list-objects | grep object.path
+
+-- Connect to speakers
+auto_connect_ports {
+  output = Constraint { "object.path", "matches", "speakers:*" },
+  input = Constraint { "object.path", "matches", "alsa:acp:C8Pre:0:playback:*" },
+  connect = {
+    ["FL"] = "AUX0",
+    ["FR"] = "AUX1"
+  }
+}
+

home/private_dot_local/private_share/wireplumber/scripts/dump-ports.lua

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+-- Dump all Wireplumber ports
+
+function dump(o)
+   if type(o) == 'table' then
+      local s = '{ '
+      for k,v in pairs(o) do
+         if type(k) ~= 'number' then k = '"'..k..'"' end
+         s = s .. '['..k..'] = ' .. dump(v) .. ',\n'
+      end
+      return s .. '} '
+   else
+      return tostring(o)
+   end
+end
+
+local port_om = ObjectManager {
+  Interest {
+    type = "port",
+  }
+}
+
+port_om:connect("object-added", function (om, port)
+  print(dump(port.properties) .. '\n\n')
+end)
+
+port_om:activate()

home/user/es-9.service

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+[Unit]
+Description=ES-9 Audio Interface
+BindsTo=dev-snd-by\x2did-usb\x2dExpert_Sleepers_Ltd_ES\x2d9\x2d01.device
+After=dev-snd-by\x2did-usb\x2dExpert_Sleepers_Ltd_ES\x2d9\x2d01.device
+Requisite=dev-snd-by\x2did-usb\x2dExpert_Sleepers_Ltd_ES\x2d9\x2d01.device
+
+[Install]
+WantedBy=dev-snd-by\x2did-usb\x2dExpert_Sleepers_Ltd_ES\x2d9\x2d01.device
+
+[Service]
+Type=oneshot
+RemainAfterExit=true
+ExecStart=%h/.config/scripts/audio/es9start.sh
+ExecStop=%h/.config/scripts/audio/es9stop.sh

home/user/i3wm-close-window.service

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+[Unit]
+Description=i3wm close window service
+
+[Service]
+RemainAfterExit=true
+ExecStart=python %h/.config/scripts/desktop/i3wm-close-window.py
+Restart=always
+RestartSec=1
+
+[Install]
+WantedBy=multi-user.target

home/user/polybar.service

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+[Unit]
+Description=Polybar
+
+[Service]
+Type=oneshot
+RemainAfterExit=true
+ExecStart=%h/bin/desktop/polybar-start.sh
+ExecStop=killall -q polybar

home/user/snapcast.service

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+[Unit]
+Description=Snapcast
+After=pipewire.service
+Requires=pipewire.service
+
+[Install]
+WantedBy=default.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=true
+ExecStart=%h/git/audio/snapcast/bin/snapclient
+ExecStop=killall -q snapclient

home/user/streamdeck.service

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+[Unit]
+Description=Streamdeck
+After=multi-user.target
+#Conflicts=getty@tty1.service
+#After=graphical.target
+#After = network.target
+
+[Service]
+#Type=simple
+Type=idle
+Restart=on-failure
+#WorkingDirectory=/home/aqua
+#User=aqua
+#RemainAfterExit=true
+ExecStart=/usr/bin/python /home/aqua/git/streamdeck/streamdeck.py
+ExecStop=pkill -9 -f streamdeck.py
+#StandardInput=tty-force
+
+#StandardOutput=append:/home/aqua/streamdeck.log
+#StandardError=append:/home/aqua/streamdeck.log
+
+
+[Install]
+WantedBy = multi-user.target