V4L2CTL

Deepak Chaudhari deepak.27aug at gmail.com
Wed Feb 13 01:17:14 PST 2013


Hello Guys ,

Can some one help me "How to write a Gst-Plugin" for V4l2 Source and V4l2
Sink, I gone through Plugin's Writer Guide of Gstreamer, but hardly
understood.

Thanks & Regards
Deepak C

On Wed, Feb 13, 2013 at 1:29 PM, David Röthlisberger <david at rothlis.net>wrote:

> On 12 Feb 2013, at 21:14, Andre Bella wrote:
> >
> > I'm trying to add the V4L2 controller to a driver and I think something
> is missing cause I get this error,
> > WARNING: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Could
> not get parameters on device '/dev/video0'
> > Additional debug info:
> > v4l2src_calls.c(235): gst_v4l2src_set_capture ():
> /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
> > and I trace it back to here:
> >
> https://github.com/krad-radio/gstreamer-plugins-good-krad/blob/master/sys/v4l2/v4l2src_calls.c
> > what parameter I'm missing in the driver? which v4l2ctl I'm missing?
>
> Have you run your driver through the v4l2-compliance tool? It might give
> you some hints as to what's missing.
>
> http://git.linuxtv.org/v4l-utils.git/tree/HEAD:/utils/v4l2-compliance
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>



-- 
      Regards,
 Deepak Chaudhari
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