[Haskell-cafe] Re: Video for Linux (v4l) library for Haskell

Maciej Piechotka uzytkownik2 at gmail.com
Sun Dec 27 17:51:11 EST 2009

On Sun, 2009-12-27 at 14:28 -0800, Rogan Creswick wrote:
> On Sun, Dec 27, 2009 at 2:17 PM, Christopher Done
> <chrisdone at googlemail.com> wrote:
> > Hackage and Google turn up nothing¹, so I am asking here; has anyone
> written
> > a v4l library for Haskell?
> >
> > I have been reading the v4l documentation² and I am ready to
> implement a
> > Haskell interface for webcams, but it would be a waste of effort if
> > someone's already got one knocking about. I could hack on theirs!
> If you end up starting from scratch, I'd suggest looking into  Xuggler
> (http://xuggle.com) as a starting point.
> I was recently considering V4L for a java project, but I found that
> Xuggler was "better" (unfortunately I really can't remember what the
> definition of "better" was in that case...).  Xuggler uses FFMPEG,
> which (as far as I could tell..) gave it a lot more capabilities than
> V4L.
> I'm no expert, and Xuggle may simply not do what you want, but it's
> worth a look.
> --Rogan 

Isn't v4l an interface of linux kernel and therefore limiting the
capabilities. ffmpeg on the other hand only converts one format into
another and as itself cannot contact webcam or tv tuner without v4l
(althought it seems to have wrappers around v4l).


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