Re: LoopBack Feature?

I was thinking on something like effectv do. It uses the vloopback
system to feed a virtual video device with the effects it generates. 
I guess I would need to have a vloopback-like system, but for v4l2, and
a cheese support to work with that. Sure the system need to be a kernel
module, like vloopback itself. But cheese need to talk to it. 

I think v4l2d (Jean-Michel Bouffard) may work for this, but I'll need to
take a better look on it, and the version I have here is outdated (early
2005) and I cant find any new on new versions of it. The main idea of
vloopback is to create pipes so multiple software can access video, and
that is not necessary on v4l2, so I guess is because of that nobody
works on vloopback for v4l2... That is another reason why I'm writing
here, maybe more people are interested on finding a solution to use the
effects for video streaming on amsn, skype, ekiga, etc, wich would be a
other use for a vloopback like system. 

Em Qui, 2007-12-06 às 22:10 +0100, Jaap A. Haitsma escreveu:
> Hi Cristian,
> I don't think this is so easy to add to cheese, because we use
> gstreamer which works on a higher level than devices. I also have
> doubts  if this functionality would fit an application as cheese. What
> you're looking for is some low level feature which in my opinion
> should be in a specific program such as vloopback and not a desktop
> app
> Jaap
> On Dec 6, 2007 5:36 PM, Cristian Thiago Moecke <birkoff inf ufsc br> wrote:
> > Hello Cheese Developers and Users!
> >
> > I found cheese while looking for a program to fix a problem with my
> > notebook webcam: It's image is upside down on Linux. Sure it should be
> > fixes on driver (uvc), but while this does not happen, i was looking for
> > a workaround.
> >
> > So I've tried vloopback, that would invert the webcam and create a new
> > virtual webcam loopback that I could use. But vloopback is v4l only, ive
> > got a v4l2 device... Then I found effectv, that has many effects, but
> > only works as loopback using vloopback, so v4l only too.
> >
> > Ive searched a lot, and found out this nice app, that among many other
> > effects, can do that what I need: flip the image, and is v4l2 compatible
> >
> > But there is no loopback-like feature... So I would like to ask if they
> > are any plans to do somehting like that (and if not, leave this like a
> > strong suggestion... wouldn't it be nice to feed skype, amsn, kopete and
> > other software with nice effects on images? All M$ friends would be
> > jealous about it lol)
> >
> > If not, I would be happy to try it out, Im a programmer (but not
> > experienced on C/CPP, but I want to try something on that languages this
> > sumer (brazilian summer, december-january))... I guess using the v4lsd
> > project I may manaje to make something out of this... anyone would like
> > to join?
> >
> > _______________________________________________
> > Cheese-list mailing list
> > Cheese-list gnome org
> >
> >

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