Re: Tried Pulse Audio Again--No Good For A11y

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On Tue, 16.09.08 23:57, Colin Walters (walters@xxxxxxxxxx) wrote:

> >> > That's ConsoleKit deactivating the streams on the non-active console.
> >> > This is so mult-user-switching can work and each user can have their
> >> > own audio.
> >> >
> >> OK. Thanks for the explanation.
> >>
> >> So, the concept limits audio to a single console, even if the same user
> >> is logged in somewhere else? I guess running pa as a systen daemon would
> >> not exhibit this behavior?
> >>
> >
> > Actually, Lennart changed PA to not be strictly per-session, but
> > per-user, I think. But I don't know the details of how that works.
> 
> Which is broken because in reality per-session and per-user are the
> same thing.  You can't log in multiple times:
> http://cgwalters.livejournal.com/16885.html

As far as I know we again allow multiple simultaneous X logins by the
same user. Also, PA supports console logins now, where multiple logins
are the common case.

I'd love to have a per-homedir/per-machine bus in D-Bus. This would
allow me to start PA up via normal activation. Unfortunately we don't
have such a bus and adding it to D-Bus is admittedly questionnable
since only in the fewest cases using such a bus is valid. Those cases
are the ones where machine-specific resources are managed by a user
dbus service. Besides PA only the new V4L daemon (possibly) comes to
my mind that fall into this category. Adding such a bus for just two
users probably doesn't make too much sense. Especially since according
to Scott Upstart will eventually support starting per-user "singleton"
daemons easily. 

Lennart

-- 
Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net         ICQ# 11060553
http://0pointer.net/lennart/           GnuPG 0x1A015CC4

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