$ gst-launch-0.10 fakesrc ! coloreffects ! fakesink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /GstPipeline:pipeline0/GstColorEffects:coloreffects0: not negotiated
Additional debug info:
gstbasetransform.c(2247): gst_base_transform_handle_buffer (): /GstPipeline:pipeline0/GstColorEffects:coloreffects0:
not negotiated
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...