Re: support autofocus / autogain in libv4l2

From: Pali RohÃr
Date: Tue Apr 25 2017 - 07:30:26 EST


On Tuesday 25 April 2017 13:23:30 Pavel Machek wrote:
> Hi!
> On Tue 2017-04-25 10:08:15, Pali RohÃr wrote:
> > On Tuesday 25 April 2017 10:05:38 Pavel Machek wrote:
> > > > > It would be nice if more than one application could be accessing the
> > > > > camera at the same time... (I.e. something graphical running preview
> > > > > then using command line tool to grab a picture.) This one is
> > > > > definitely not solveable inside a library...
> > > >
> > > > Someone once suggested to have something like pulseaudio for V4L.
> > > > For such usage, a server would be interesting. Yet, I would code it
> > > > in a way that applications using libv4l will talk with such daemon
> > > > in a transparent way.
> > >
> > > Yes, we need something like pulseaudio for V4L. And yes, we should
> > > make it transparent for applications using libv4l.
> >
> > IIRC there is already some effort in writing such "video" server which
> > would support accessing more application into webcam video, like
> > pulseaudio server for accessing more applications to microphone input.
>
> Do you have project name / url / something?

Pinos (renamed from PulseVideo)

https://blogs.gnome.org/uraeus/2015/06/30/introducing-pulse-video/
https://cgit.freedesktop.org/~wtay/pinos/

But from git history it looks like it is probably dead now...

--
Pali RohÃr
pali.rohar@xxxxxxxxx