Date   : Mon, 06 Mar 2006 18:12:47 +0000
From   : Phil Blundell <philb@...>
Subject: Re: Warning: Sad case on list!

On Mon, 2006-03-06 at 17:53 +0000, Jules Richardson wrote:
> Hmm, too slow to have a camera hooked up to it producing colour images
> and then reducing colour depth / dithering [1] before splitting into
> chunks and farming off to each BBC for subsequent display.

Mmm.  I hadn't thought about the dithering thing.  Still, it kind of
feels like the dissemination of data to the Beebs is going to be the
limiting factor.  What sort of data link did you plan on using for that?

> I'm suspecting that the controller needs to be pretty pokey - maybe a RiscPC 
> or somesuch. (how to actually attach a camera is still a total unknown, which 
> may mean I'm better off with something like an SGI Indy)

Video digitizers for RiscPCs ought to be pretty easy to come by.  Here's
one on ebay, though I have no idea of its capabilities:

http://cgi.ebay.co.uk/ACORN-VIDEO-DIGITISER_W0QQitemZ8773412676QQcategoryZ4193QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

p.