ksvideosrc error

[doon]

I trying to use webcam for streaming video on Windows 7:
gst-launch-1.0 ksvideosrc  device-index=0 num-buffers=1 !  x264enc !
rtph264pay ! udpsink host=192.168.0.102 port=1235

But get output:

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
ERROR: from element /GstPipeline:pipeline0/GstKsVideoSrc:ksvideosrc0:
Internal d
ata flow error.
Additional debug info:
gstbasesrc.c(2933): gst_base_src_loop ():
/GstPipeline:pipeline0/GstKsVideoSrc:k
svideosrc0:
streaming task paused, reason not-negotiated (-4)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...

How I can resolve this problem?



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