Re: [Alsa-user] Re: Re: SB Live! PCM control

[Ilia Mirkin <imirkin@MIT.EDU>]

The way that most (OSS at least) applications work is that they grab the
PCM volume control and use that instead of actually adjusting the
amplitude of the PCM samples. The problem that I was originally having
is that the Wave Surround level is not effected by the PCM level,
whereas the Master output is.

i.e. I have headphones plugged into master, aka "front" and a stereo
plugged into Wave Surround, aka "back", and the PCM control only adjusts
the volume of the "front" and not the "back". This is frustrating, since
that means that I can't easily adjust the volume coming out of my
stereo.

---
Ilia Mirkin
imirkin@mit.edu

On Sat, 2005-02-05 at 18:20 -0500, Lee Revell wrote:
> On Thu, 2005-02-03 at 22:35 +0000, James Courtier-Dutton wrote:
> > I think it is unwise to implement a Master volume control for the SBLive 
> > at this time. We had to remove it some time ago, and it can be 
> > implemented in a better way that in the DSP code.
> > 
> 
> Really?  This is certainly news to me.  Why did you remove it?  What's
> this "better way" you speak of?  And what's wrong with doing it in the
> DSP?
> 
> I wish you had said something sooner.  Users have been complaining
> vociferously about this as long as I have been involved with ALSA (not
> as long as some people, but long enough ;-).
> 
> Personally I never thought this was a big deal.  I don't use the Audigy
> master volume anyway, I just adjust the volume inside the app.  It seems
> broken to me for a program like mplayer to grab the master volume
> control anyway.  Shouldn't it just attenuate the PCM samples it's
> generating?
> 
> Lee
> 
> 
> 
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