[pulseaudio-discuss] [RFC] Add configure option to specify default autospawn behavior

[Felipe Sateler]

On Mon, Dec 8, 2014 at 8:57 AM, Tanu Kaskinen
<tanu.kaskinen at linux.intel.com> wrote:
>
> On Mon, 2014-12-01 at 13:18 -0300, Felipe Sateler wrote:
> > On Mon, Dec 1, 2014 at 10:55 AM, David Henningsson
> > <david.henningsson at canonical.com> wrote:
> > > So, excuse me if this comes from a systemd newbie. But here's my reasoning:
> > >
> > > As of now, we have seen some reduced functionality because PulseAudio can't
> > > access D-Bus. (And we don't know how far D-Bus is from moving from
> > > per-session to per-user, so we assume the bus is per session for now.)
> > >
> > > This means that at least module-jackdbus-detect and the device reservation
> > > protocol are regressed. I don't know what implications the lack of
> > > server-lookup has. module-dbus-protocol is also broken, but that module is
> > > (AFAIK) still broken in other ways too.
> > >
> > > Let's then assume we think this is severe enough not to recommend people to
> > > use systemd activation by default, because all distros I know of have
> > > already removed it.
> > >
> > > Then our upstream default becomes:
> > >  * Ship with autospawn=yes
> > >  * Ship with files for enabling systemd activation
> > >  * Ship without "systemctl --global enable pulseaudio.socket" (if that's the
> > > same as building it in, but not enabling it).
> > >
> > > In essence, if we ship without "systemctl --global enable pulseaudio.socket"
> > > already, the only difference we need to do is to re-enable autospawning even
> > > if systemd activation is built in. (In an ideal world, the "systemctl
> > > --global enable pulseaudio.socket" should also disable autospawning...)
> > >
> > > Would that not give what Felipe is after, i e, building it in for people
> > > that want to experiment, but have it remain disabled?
> >
> > The only difference between your proposal and my patch  is that the
> > default would not be configurable. But if the default is the same that
> > I want (autospawn = true) then I'm ok with that too :)
>
> (Disclaimer: I might not have read follow-up messages if they were sent
> to another thread.) I think the best way forward would be to do as David
> suggested, i.e. don't bother with adding a configure option. If I
> understood correctly, we just need to change the default autospawn value
> to be always "yes". Would you be willing to write a patch for that?
> (Another disclaimer: perhaps someone sent such patch already, but I
> didn't notice it yet, since I'm reading mails in oldest-first order.)

There has been no patches yet. But reverting commit 7276faca should go
back to the autospawn = true behavior, as that was the only change in
that commit.

The wiki page that says socket activation is the preferred way[1]
should be modified as well.


[1] http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Running/
-- 

Saludos,
Felipe Sateler