Cant play video using gstreamer-1. 0 in weston/wayland

[Abin P]

Dear all

I am trying to build a player in R car-E2.(arm based board). I already
build weston,  gstreamer-1.0, waylandsink and fbdevsink  on  R car-E2. I
tested video rendering as gst-launch-1.0 !  Waylandsink. But i got plenty
of error messages like "ERROR:from element
/Gstpipeline:pipeline0/GstvideoTestsrc:videotestsrc0:internal data flow
error
Streaming task paused,  reason not-negitiated (-4).
ERROR:pipeline doesn't want to Preroll".
So i used fbdevsink to test rendering like gst-launch-1.0 videotestsrc !
Fbdevsink. It works but didnt play any video on Weston/wayland. Can anyone
help me to find the exact error behind this. When i debugged i saw linking
error between videotestsrc and waylandsink.

Yours
Faithfully
Abin
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