support autofocus / autogain in libv4l2

[Pavel Machek]

On Tue 2017-04-25 13:30:09, Pali Rohár wrote:
> On Tuesday 25 April 2017 13:23:30 Pavel Machek wrote:
> > Hi!
> > On Tue 2017-04-25 10:08:15, Pali Rohár 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...

Actually, last commit is an hour ago on "work" branch. Seems alive to
me ;-).

Thanks for pointer...
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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