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Re: [gNewSense-users] ubuntu/media/gspcav1 full of hex tables

From: Brian Brazil
Subject: Re: [gNewSense-users] ubuntu/media/gspcav1 full of hex tables
Date: Sat, 28 Jun 2008 22:10:49 +0100

On Tue, Jun 24, 2008 at 4:53 PM, Sam Geeraerts <address@hidden> wrote:
Karl Goetz wrote:
On Mon, 2008-06-23 at 12:37 -0700, Peter and Jesse wrote:
On Sat, 2008-06-21 at 22:20 +0200, Carsten Agger wrote:
On Sat, 2008-06-21 at 15:12 +0200, Sam Geeraerts wrote:
Peter and Jesse wrote:
Maybe it would be a good idea to contact some of the individuals
credited with the code or perhaps somebody knowledgeable in this kind of
development to clear this up - possibly somebody in kernel development
or similarly? Who would that be?

I have contacted the copyright holders for
ubuntu/media/gspcav1/Vimicro/cs2102.h. I have received the following:
"These values are reverse engineered the usb protocole between the
webcam and a windoze box."

I don't think it make sense to try to contact the authors of every file.
cs2102.h seems to be one of the most hex-intensive files, so if it is
reverse-engineered, I think that similar files probably are as well. I
am inclined to mark these as free.

If its the prefered form of modification (which i'm guessing it is) then
it would be free.

I think the original manufacturer's source code would be much clearer (although you never now with some cheap crap), which would make it the preferred form of modification. The reverse engineered form would then be the preferred form of modification for lack of something better. :)

While the manufacturer's source code would be best, anything that can be easily understood and modified would be free. Unintelligible streams of numbers like these aren't free - unless you can find some good docs explaining what they do.


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