Guide: Getting Wireplumber to work without D-Bus
Had some struggles getting Wireplumber and Pipewire to properly behave on my laptop running greetd (which launches sway via a script) after an update to Wireplumber a few months ago. Finally got off my butt to find out why that was and thought it might be useful to share in-case other people are suffering like I was.
The Problem: Wireplumber added configuration options which assume the system is running in environment where D-Bus is available, these were largely undocumented until a later commit. They are part of the lua configuration files which are a bit of a funky system where you can override certain parts of the configs by changing them in a file with a later number than the one who first initialized them.
Solution: Adding two configuration files under $HOME/.config/wireplumber/ disabling the D-Bus requiring options.
- Create the config file directories:
mkdir -p ~/.config/wireplumber/{bluetooth.lua.d,main.lua.d} - Disable user arbitration logind functionality for bluetooth by adding a file under the newly created bluetooth.lua.d directory called for example 80-disable-logind.lua
touch ~/.config/wireplumber/bluetooth.lua.d/80-disable-logind.lua
which should contain:
-- Disable arbitration of user allowance of bluetooth via D-Bus user session
bluez_monitor.properties["with-logind"] = false
- Disable flatpak portal and reserving devices via D-Bus user session by adding a file under ~/.config/wireplumber/main.lua.d directory called for example 80-disable-dbus.lua
touch ~/.config/wireplumber/main.lua.d/80-disable-dbus.lua
which should contain:
-- Disable reserving devices via D-Bus user session
alsa_monitor.properties["alsa.reserve"] = false
-- Disable use of flatpak portal integration
default_access.properties["enable-flatpak-portal"] = false
To verify that the configuration files are loaded you can start wireplumber in the following way:
WIREPLUMBER_DEBUG=4 wireplumber
and search for the m-lua-scripting section to see if your newly created files are loaded.
...
I 13:53:14.673581 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/00-functions.lua
I 13:53:14.673716 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/20-default-access.lua
I 13:53:14.673775 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/30-alsa-monitor.lua
I 13:53:14.673839 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/30-libcamera-monitor.lua
I 13:53:14.673904 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/30-v4l2-monitor.lua
I 13:53:14.673953 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/40-device-defaults.lua
I 13:53:14.674027 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/40-stream-defaults.lua
I 13:53:14.674086 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/50-alsa-config.lua
I 13:53:14.674159 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/50-default-access-config.lua
I 13:53:14.674218 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/50-libcamera-config.lua
I 13:53:14.674268 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/50-v4l2-config.lua
I 13:53:14.674319 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /home/curious/.config/wireplumber/main.lua.d/80-disable-dbus.lua
I 13:53:14.674359 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/main.lua.d/90-enable-all.lua
...
I 13:53:14.677784 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/bluetooth.lua.d/00-functions.lua
I 13:53:14.677874 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/bluetooth.lua.d/30-bluez-monitor.lua
I 13:53:14.677928 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/bluetooth.lua.d/50-bluez-config.lua
I 13:53:14.678003 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /home/curious/.config/wireplumber/bluetooth.lua.d/80-disable-logind.lua
I 13:53:14.678048 m-lua-scripting ../wireplumber/modules/module-lua-scripting/api/config.c:104:load_file: loading config file: /usr/share/wireplumber/bluetooth.lua.d/90-enable-all.lua
D 13:53:14.678163 m-lua-scripting ../wireplumber/modules/module-lua-scripting
...
Once you have verified it works you can simply start wireplumber on login either by adding to your .xinitrc, sway config or wherever else you launch programs on login.
Hope this helps! <3
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