Re: Per-app volume

From: Daniel Wilkins <>
Date: Fri, 4 Sep 2015 16:04:24 -0400
Fantastic, so my complaint would be a missing feature in mixerctl
rather than sndio itself. Unrelated, but is there any audio boost
in sndio? On Linux in Pulse I often find myself having to push
speakers to about 150% volume, and I'm wondering if sndio supports
the same natively or if that'd have to be added in.
On Fri, Sep 04, 2015 at 09:47:38AM +0200, Alexandre Ratchov wrote:
> On Fri, Sep 04, 2015 at 02:07:22AM -0400, Daniel Wilkins wrote:
> > Hey, this is something that's been on my wishlist for a while
> > and I finally got around to poking in the source and it actually
> > kinda seems like there's support for it in there, there's a volume
> > per-stream at least. Is this a feature that's already in sndio but
> > not exposed, or was I misunderstanding?
> You're right, there's per-program volume and a master volume knob
> in the daemon. It's exposed through standarized midi messages, so
> in theory it can be controlled by either a hardware midi control
> surface or by software.
> You could try this utility:
> ex:
> sardine:~$ aucatctl              
> aucat0=127
> mplayer0=105
> audacio0=127
> master=127
> $ aucatctl mplayer0=90 
> mplayer0 -> 90
> This is not satisying, and the plan is to add a "real" mixer api to
> expose both sndiod and hardware knobs over the network. But the
> code is not ready yet, so it's not enabled yet.
Received on Fri Sep 04 2015 - 22:04:24 CEST

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