Re: libv4l does not work!

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On Wed, 14 Oct 2009 12:02:43 -0300
Guilherme Longo <grlongo.ireland@xxxxxxxxx> wrote:

> Do we need include any other header file than
> 
> libv4l2.h
> libv4lconvert.h
> 
> to get libv4l working?
> 
> I read Hans saying that:
> 
> Just replace open("dev/video0", ...) with v4l2_open
> ("dev/video0", ...), ioctl with v4l2_ioctl, etc. libv4l2 will then do
> conversion of any known (webcam) pixelformats to bgr24 or yuv420.
> 
> But I am getting undefined reference to 'v4l2_open' and 'v4l2_ioctl'.
> Can I get some help?

 You must also "link" your program with necessary libraries, for example

 gcc  code.c -lv4l2


-- 
 Onur Küçük                                      Knowledge speaks,
 <onur.--.-.delipenguen.net>                     but wisdom listens

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