I have DirectFB-0.9.25.1 installed in my machine . Presently I am trying to play a gstreamer  video/audio application with the help of dfbvideosink element of gst-plugins-bad-0.10.3 plugin. I have tried to create a DFBSurface where my video
data needs to be rendered with automatic flipping . So I have set DSDESC_CAPS with DSCAPS_FLIPPING , but the video is not visible even if the pipeline is conveying that it is playing.
     Then I tried with DSDESC_CAPS set to DSCAPS_PRIMARY , but it showed an segmentation fault .
     Then I again tried with both DSCAPS_PRIMARY && DSCAPS_FLIPPING set,
but I am unable to get keyboard input response , after a thorough debugging I found  that when I am keying the input ,it is entering the IDirectFBEventBuffer_AddItem function body in  $(DirectFB_Home)/src/input/idirectfbinputbuffer.c  where it is checking for a condition as :  if(data->filter && data->filter(&item->evt,data->filter_ctx) and the condition having been satisfied  is exiting without further processing of the keyboard input event.
  Could anybody please suggest a possible solution or the cause behind this problem.

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