Date: Wed, 31 Jan 1996 10:32:21 -0500 From: chuck@fang.cs.sunyit.edu To: Paul Traina <pst@shockwave.com> Cc: hackers@freebsd.org Subject: Re: Any interest in Quickcam Driver Message-ID: <199601311532.KAA17716@fang.cs.sunyit.edu> In-Reply-To: Paul Traina <pst@shockwave.com> "Re: Any interest in Quickcam Driver" (Jan 30, 11:31pm)
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On Jan 30, 11:31pm, Paul Traina wrote: } Subject: Re: Any interest in Quickcam Driver } } From: Paul LaFollette <lafollet@andante.cis.temple.edu> } Subject: Any interest in Quickcam Driver } I managed to fall off of the hackers list a while back, so I don't know } how much activity there already may be in the Connectix Quickcam, but } I finally have a driver working which I would be more than happy to } share if there is interest and no one else has already done a better job. } } Grrr... too bad you didn't write this about 4 hours ago. I'm about 70% } done with a linux-compatible quick-cam driver too. :-) } } I have received no information from the company, signed no non-disclosure } documents, and have based this entirely on information I have gleaned } from the net and my own experimentation. } } It works tolerably well, appears to be stable, and supports all of the } features of the camera that I know of except the bidirectional port (which } I am currently working on.) } } I am getting frame reates of around 20/sec in 80 x 60 mode and about 3 } or 4/sec in 320 x 240. } } Bummer, I was hoping we'd see a significant speedup with the move out of } user mode, but direct I/O is direct I/O. I've coded up support for mmaping } memory directly into the buffer, but polling that lpt port is still the } bottleneck. } } If you are intersted, I would be happy to tar it up along with a } demo program and a little documentation and stick it in /pub/incoming } somewhere (only please tell me where.) Wanted to check first though } that someone hasn't already done it and that y'all aren't concerned about } the fact that the Quickcam folks don't seem to be enthusiastic about } details of their product being known. (All the more reason to make them know } as far as I am concerned, but that is just me.) } } I rather hope you are interested. A couple years ago you traded me a } major device number in return for the ctx driver. It's a nice integer and } I use it often, but it is starting to get a little shabby and I was hoping } to maybe pick up a second one. :) } } Guess who's driver and major number I ripped off as a starting point. :-) }-- End of excerpt from Paul Traina Not to belittle the effort that Paul LaFollette went to to do his port, I think it would be more benifitial to wait and use the driver Paul Traina is working on. This way any and all work on Quickcam applications can be cross developed on FreeBSD and Linux. -- Charles Green, PRC Inc. UN*X System Administration 22 Powell Ave. Apt. B UN*X Security & Whitesboro, NY 13492 Programming
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