Problem playing raw (gray8) video

[John Stowers]

>> cat ./video.raw | gst-launch-0.10 fdsrc ! \
>>   videoparse format="gray8" width=640 height=480 ! xvimagesink
>
>
> this won't work, xvimagesink doesn't accept gray8, use ffmpegcolorspace
> before
> xvimagesink to convert it.

That works thanks.

FWIW I wasted some time assuming it was because I hadn't or couldn't
set the bpp correctly, getting confused because despite their being a
bpp property here

http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-bad-plugins/html/gst-plugins-bad-plugins-videoparse.html

I was unable to set it.

Thanks for your help

John