gstreamer vaapi pipeline not working? (vaapidownload)

[David Kosir]

I'm experimenting with gstreamer-vaapi and I find this as working:
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gst-launch-0.10 -v filesource location=/path/to/file.mp4 ! qtdemux !
vaapidecode ! vaapisink
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I want to be able to output video to my window, so for the first step
I've tried this but without any success
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gst-launch-0.10 -v filesource location=/path/to/file.mp4 ! qtdemux !
vaapidecode ! vaapidownload | fakesink
---------


this example is trivial as I'm still learning gstreamer, so my idea is
to provide my own opengl texture for gstreamer to play vaapi-decoded
video. Any tips for that will be highly appreciated.

Thanks!