jit.qt.grab - greyscale only? - colorspace 0?

    Jul 29 2007 | 4:05 am
    I have just bought a new unibrain black/white camera. In SoftVNS I can just aquire as greyscale, but can not seem to do it in jitter. I have tried using "colorspace 0" but I still get 4 planes out. (in fact colorspace remains -1 when I getcolorspace) It is easy enough to throw away the 3 extra planes, but it seems like I could save some cpu if I could just get back 1-plane greyscale. Is there some undocumented (or something I overlooked) message to do this?
    Christopher Overstreet