$ GST_DEBUG=vaapi:4,vaapisink:5 gst-launch-1.0 filesrc location=Sintel.2010.1080p.mp4 ! qtdemux ! vaapidecode ! vaapisink
0:00:00.071601130 20775      0x131c550 INFO                   vaapi gstvaapidisplay.c:112:libgstvaapi_init_once: gstreamer-vaapi version 0.5.5
Setting pipeline to PAUSED ...
ERROR: Pipeline doesn't want to pause.
Setting pipeline to NULL ...
Freeing pipeline ...