> I'm 90% certain that they use jpeg-lite with this chipset. Here's some
> documentation on the compression:
>
>http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=/netahtml/search-bool.html&r=1&f=G&l=50&co1=AND&d=ft00&s1=divio.ASNM.&OS=AN/divio&RS=AN/divio
Great link. I've n
> Fortunately, it looks like all of the claims involve compression and not
> decompression, so you can probably implement a decompressor without
> being sued (you should ask a patent attorney to be sure, though).
Or live outside the United States of America and include a geographical
restrictio
Sylvain Munaut wrote:
>I've find many doc about this chip. But it's made by divio and this
>company seems very proud of their compression format jpeg-lite so there
>are chances that this format is used for their webcam too.
>
I'm 90% certain that they use jpeg-lite with this chipset. Here's some
> Just make sure this is NEW chipset. It could be a rehash of an old one,
> already known and with a driver available.
OOpps, i've made an error in my initial post, it's not NW812 but NW802 ...
( mystyping error ). It doesn't change manythings but ...
Believe me, if i started writing my own dri
> Don't forget to put a warning with the driver that users shouldn't buy
> cameras with this chipset because the vendor is an idiot :)
Hehehe. But if i should throw away all hardware where the vendor refuse to
give out spec, I'll throw away half of my PC ;) ( Yeah i know i should
choose my hardw
> On the sourceforge pages for the 3com homeconnect
> (http://homeconnectusb.sourceforge.net) we've chronicled the details of our
> reverse engineering efforts.
Tanx but i can't find where it is. On the "old project home page" there is
a link to "His page detailing his investigations is here."
On Friday 19 April 2002 09:57 am, Munaut Sylvain wrote:
> Hi
>
> My first question is : Are all usb webcam using about the same protocol
> ( i mean is there a lot of similarities between protocols or are they
> all completel different ? )
Never twice the same protocol it seems (okay, there may be
On 2002.04.19 18:57:23 +0200 Munaut Sylvain wrote:
> Hi
>
> I'm new to the USB world, and to this ml so ...
>
> I've a webcam based on the NW812 chip which is not supported under
> linux. And i'd like to write a driver for it. But the firm that sell
> this chip don't want to release technic
On Fri, 2002-04-19 at 09:57, Munaut Sylvain wrote:
> I've a webcam based on the NW812 chip which is not supported under
> linux. And i'd like to write a driver for it. But the firm that sell
> this chip don't want to release technical spec about this chip ... So
> I'd like to "guess" it's pro
Hi
I'm new to the USB world, and to this ml so ...
I've a webcam based on the NW812 chip which is not supported under
linux. And i'd like to write a driver for it. But the firm that sell
this chip don't want to release technical spec about this chip ... So
I'd like to "guess" it's protocol .
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