Original commit message from CVS:
2005-11-06  Julien MOUTTE  <julien@moutte.net>

* ext/directfb/Makefile.am: Add the example application.
* ext/directfb/dfb-example.c: (get_me_out), (main):
Here is an example application that runs videotestsrc for 20
seconds. It's included in the documentation.
* ext/directfb/dfbvideosink.c: (gst_dfbvideosink_enum_layers),
(gst_dfbvideosink_setup),
(gst_dfbvideosink_can_blit_from_format),
(gst_dfbvideosink_getcaps), (gst_dfbvideosink_buffer_alloc):
More fixes, calculate new size of the buffer when renegotiating.
This completely breaks ffmpegcolorspace but i need to discuss
that with Wim on monday. Add documentation.