On Sun, 27 Mar 2022 22:55:36 +1100 Brendan Tildesley <m...@brendan.scot> wrote:
> On 27/3/22 01:24, Josselin Poiret wrote: > > > Hello Brendan, > > > > Brendan Tildesley<m...@brendan.scot> writes: > >> I would like to replace pulseaudio with pipewire as the default in > >> %desktop-services, the only hurdle is how to launch the user > >> daemons in all the different desktop configurations one might use. > >> Other distros use systemd's socket activation to magically launch > >> pipewire. > >> > >> Otherwise XDG autostarts or some kind of guix home service could > >> launch it? > > The main issue for PipeWire is that it really doesn't support > > running a single system-wide daemon as we're doing with PulseAudio, > > so you would need to launch it through XDG autostart, guix home or > > something similar like you said! > > I think this is not right. Pulseaudio and Pipewire are both "user > services". The Guix (pulseaudio-service-type) merely sets up some > global configuration files and evironment variables. Actually these > could be a part of the user profile if one really wanted. The only > parts that actually need to be done by root is the udev service and > the alsa service setting two configuration files. > > Pulseaudio is automatically started by applications that make use of > it via DBUS. I don't understand how that works, but for whatever > reason Pipewire's official way to launch is via systemd sockets. > Systems without systemd use XDG autolaunch with a trivial script like > this one: > https://gitweb.gentoo.org/repo/gentoo.git/tree/media-video/pipewire/files/gentoo-pipewire-launcher.in > > So it is not difficult at all to run Pipewire, just a method must be > chosen. > > > > > One thing that I think is blocking right now is that PipeWire (or > > actually WirePlumber, I don't remember) would need to see some > > environment variables set by other user services eg. session D-Bus > > or even the compositor, which isn't possible yet with Shepherd. > > Which environment variables are you talking about? I'm running > pipewire on Guix System > > and it seems to work fine. > > > Best, This might be of interest. https://freeradical.zone/@craftyguy/107981283066383952 https://sr.ht/~craftyguy/superd