v4l2src does not support interlace video

[Tim Müller]

On Sun, 2014-06-15 at 08:51 -0700, Baby Octopus wrote:

> I'm trying to capture 1080i at 50 from a v4l2 device named "device0". I'm
> unable to capture interlaced content from the following pipeline but it
> gives negotiation issue but works fine if I make it progressive
> 
> *gst-launch-1.0 v4l2src !
> video/x-raw,width=1920,height=1080,interlace-mode=interleaved ! fakesink*
> 
> ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Internal
> data flow error.
> Additional debug info:
> gstbasesrc.c(2913): gst_base_src_loop ():
> /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
> streaming task paused, reason not-negotiated (-4)
> 
> Does v4l2src not support interlaced capture?

Try "interlace-mode=mixed"

 Cheers
  -Tim

-- 
Tim Müller, Centricular Ltd - http://www.centricular.com