[alsa-devel] [RFC] Add scenario management

Stefan Schmidt stefan at datenfreihafen.org
Fri Oct 2 11:55:16 CEST 2009


On Fri, 2009-10-02 at 11:12, Takashi Iwai wrote:
> At Thu,  1 Oct 2009 11:47:14 +0200,
> Stefan Schmidt wrote:
> > 
> > This patchset add support for scenario management, aka use cases, in alsa-lib
> > and example programs in alsa-utils. It allows to adjust the current audio kcontrol
> > settings from a prespective of a changed use case like the switch from listening
> > to music on your phone to an incoming phone call and back.
> Great, I've been waiting for this :)


> > To achieve this it offers control aliasing for playback, capture master and
> > switch as well as the option to post- and prefix a sequence of control changes
> > avoiding pops and other unwanted noise.
> > 
> > This is of course not meant to replace gstreamer, PulseAudio or a sound server,
> > but is meant to work in tandem with such audio software. We think alsa-lib is
> > the best place for this as it will be used on small embedded system which only
> > use alsa from the full stack of audio libs in linux. We see potential for
> > desktop usage as well though.
> Agreed.  If any need, I can merge it to salsa-lib, too.

Do you prefer doing that yourself or should I sent you another patch for salsa?
We definetly want it there, too. I already downloaded the last salsa release but
was waiting if everyone is happy with the updated patch I sent yesterday.

Stefan Schmidt

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