On Sunday 04 Jul 2004 19:20, Avleen Vig wrote: > > I am actually in a similar situation. > I know some C, and want to write a device driver for a USB device (web > cam), but I have no idea where to start. > I've searched for a "beginners guide to writing device drivers" but > failed miserably :-(
I briefly looked into this as well, and in summery, webcams are a bit of a pain. Unlike Linux folks, there's no Video4BSD (although there was some talk of one a while back), and so there's no standard way of doing it. The only proven video in API is the one used by meteora (I think) and bktr, and thats by all accounts hideous, which leaves you needing to write a lot more code than you first thought, and that was enough to put me off. A standard thing to do with the video stream having extracted it from the webcam which applications like gnomemeeting understand would make the job much easier. -- Mark 'If it compiles, ship it'
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