Get v4l2src width and height before pipeline runs?

[Edward Hervey]

Hi,

On Thu, 2011-10-27 at 12:10 -0700, wally_bkg wrote:
> I'm using appsink and appsrc, not a custom element.
> I guess that could be the problem.  The goal is to use gstreamer
> and as much of its "automation" as possible.
> 
> What I'll probably do is re-write the video capture front end to be v4l2
> (libv4l2) code and dispense with the appsink. 

  Why aren't you using the v4l2src/v4l2sink elements ? If you have
issues with them, please explain it in detail and/or file a bug report.

>  I've already used some v4l2
> code to set the norm (NTSC) and select the input (Composite) as the
> gst-tuner interface has not been reliable across the six types of capture
> devices I have to test against.
> 
> Thanks, seems you've confirmed my fears.
> 
> 
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