bug#42175: closed ("pulseaudio? #f" setting does not prevent pulseaudio from autostarting)

[GNU bug Tracking System]

Your message dated Mon, 31 Jan 2022 21:27:59 -0500
with message-id <878ruvl3rk.fsf@gmail.com>
and subject line Re: bug#42175: "pulseaudio? #f" setting does not prevent 
pulseaudio from autostarting
has caused the debbugs.gnu.org bug report #42175,
regarding "pulseaudio? #f" setting does not prevent pulseaudio from autostarting
to be marked as done.

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42175: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=42175
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> --- Begin Message ---
>
>
>
> Subject: 
>
> "pulseaudio? #f" setting does not prevent pulseaudio from autostarting
>
>
>
>
> Date: 
>
> Fri, 3 Jul 2020 04:00:40 -0500
>
>
>
>
> https://guix.gnu.org/manual/en/html_node/Sound-Services.html
>
> (define %my-services
>   ;; My very own list of services.
>   (modify-services %desktop-services
>     (alsa-service-type config =>
>                        (alsa-configuration
>                         (inherit config)
>                         (pulseaudio? #f)))))
>
> reconfigure, reboot, login to gnome, then
>
> bash-5.0$ pgrep pulseaudio
> 517
> 1261
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#42175: "pulseaudio? #f" setting does not prevent pulseaudio from autostarting
>
>
>
>
> Date: 
>
> Mon, 31 Jan 2022 21:27:59 -0500
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)
>
>
>
>
> Hello,
>
> Leo Prikler <leo.prikler@student.tugraz.at> writes:
>
> > I don't think pulseaudio autostarting is governed by alsa.  There are
> > two options you can try.
> >
> > 1. disable autospawning through configuration.  For that, try setting
> > the client-conf field of the pulseaudio-configuration to 
> >   '((autospawn . no))
> > 2. Removing the pulseaudio package from gnome and anywhere else it
> > might be propagated.  (I don't think it is propagated in other
> > services).
>
> Indeed, if you look at (gnu services sound), you'll see that what
> pulseaudio? #t does (the default) is to add this to ALSA's asound.conf
> file:
>
> --8<---------------cut here---------------start------------->8---
> `("# Use PulseAudio by default
> pcm_type.pulse {
>   lib \"" ,#~(string-append #$alsa-plugins:pulseaudio
>                             "/lib/alsa-lib/libasound_module_pcm_pulse.so") "\"
> }
>
> ctl_type.pulse {
>   lib \"" ,#~(string-append #$alsa-plugins:pulseaudio
>                             "/lib/alsa-lib/libasound_module_ctl_pulse.so") "\"
> }
>
> pcm.!default {
>   type pulse
>   fallback \"sysdefault\"
>   hint {
>     show on
>     description \"Default ALSA Output (currently PulseAudio Sound Server)\"
>   }
> }
>
> ctl.!default {
>   type pulse
>   fallback \"sysdefault\"
> }\n\n"
> --8<---------------cut here---------------end--------------->8---
>
> This configures ALSA applications to use pulseaudio as its default
> output.  Many non-ALSA applications will attempt to use pulseaudio and
> the configuration of it being allowed to autostart or not is to be made
> at the level of pulseaudio-service-type, as pointed out in Liliana's
> reply (thanks!).
>
> Closing,
>
> Maxim
>
>
> --- End Message ---