streaming task paused, reason not-negotiated (-4)

[pavan]

Hi, 

   I tried compiling and installing gstreamer 1.4.0 gst-plugins-base 1.4.0
gst-plugins-good 1.4.0 on my raspberry pi B and tried to start gstreamer
with the following simple pipeline.

                   gst-launch-1.0 v4l2src ! autovideosink.

but im getting error as v4l2src0: internal dataflow error
streaming task paused, reason not-negotiated (-4).

and the launch process in getting terminated.

I have tried the same command many times earlier, both on my pc and
raspberry pi but never faced this problem. Please provide me a solution to
rectify this.



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