[arch-general] OT: [arch-dev-public] polkit package upgrade patch

[Ralf Mardorf]

On Sun, 2012-08-12 at 01:41 +0200, Jan Steffens wrote:
> On Sun, Aug 12, 2012 at 1:23 AM, Fons Adriaensen <fons at linuxaudio.org> wrote:
> > If that is true it is completely wrong from the start. Because
> > that setup can't be maintained when a second app starts playing
> > which can happen at any time. Suppose that first (single) app has
> > its volume set to some low value, and PA uses the soundcard PCM
> > gain control to achieve that as you claim it does. Now suddenly
> > there's a second app which wants a higher level. The only way to
> > achieve that is to raise the hardware gain - you can't compensate
> > for a low setting there by sending a louder signal, it would just
> > clip. So PA now has to adjust the hardware gain and at the same
> > time start scaling down the output from the first app.
> > It's impossible to do that in any acceptable way.
> 
> Yet that's exactly what it does. And on my system (HDAudio) I have not
> noticed any changes in the volume of the first stream, even as the
> "Master" mixer control jumped levels.
> 
> Maybe ask the devs for details.

http://mailman.archlinux.org/pipermail/arch-general/2012-August/029596.html