[pulseaudio-discuss] set volume all sinks

[poort]

On Monday 15 February 2010 21:22:26 Colin Guthrie wrote:
> 'Twas brillig, and poort at 15/02/10 19:32 did gyre and gimble:
> > It's about public multiseat computer.That's one computer(ubuntu) with
> > several users.
> > Each screen or display or seat has an usb soundcard.Every user always
> > logs in on the same seat/display.No problem there.
> > So let's say that a person logs in on screen1(seat1) ,mutes the sound.
> > A next person logs in at same screen1(seat1) with same
> > username/passwd(these are public computers), but founds no sound(sound is
> > muted by last person before him), so usualy than i get a phone call about
> > the no sound and have to tell to the person to unmute the sound.
> > So I have to make sure that the sound volume gets unmuted again at login.
> > So I am thinking to write a script with:
> > set-sink-volume 0 55000
> > to be called with gdm postlogin default.
> > But as there are for example six soundcards, I cannot determine the
> > default sink for the users (so i could set the script per user),
>
> Hmm I'm a bit confused here. Each seat should only see one USB audio
> card each. Perhaps you should look to console-kit here to make sure the
> ACLs are written on the USB devices appropriately. If this is setup
> right each seat would only see one card.
>
> I'm beginning to think that you are running PA in system wide mode
> here.... which is really not the right way to do things for such a setup.
>
>
> i have to put all the
>
> > sinks outputs set-sink-volume at login:
> > set-sink-volume 0 55000
> > set-sink-volume 1 55000
> > set-sink-volume 2 55000
> > set-sink-volume 3 55000
> > and so on..
> > This works ok because the default sinks changing sometimes also:
> > when one usb-soundcards fails or did not wake up in time, the sinks order
> > is changing, so I have to re-assign the correct sinks to the correct
> > screen/user.(i have also a script for this however).
>
> Assuming you run in the default per-user mode:
>
> Is there any reason not to clear out the user's home directory after
> logout? I'd have thought that if the data was kept then one user could
> leave things in a pretty nasty state for the next user generally? (i.e.
> homepage reset, desktop background changed to an inappropriate image etc.).
>
> If this was done then the user's choice of muted audio should be reset
> (assuming that the aforementioned bug is fixed), and the gdm default
> should take over and be applied for the "first" login of the user.
>
> So with that in mind, I still maintain that fixing the bug will solve
> your problem with the GDM user's volume being the reference.
>
> Col

Thanks, good hint, I did clean out the home dir and the hidden .kde, but not 
the .pulse.
Now it's resetting volumes as the .pulse is replaced at login with gdm.

poort