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Date:      17 May 2002 17:04:13 +0930
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        Marco Molteni <molter@tin.it>
Cc:        Carlos Ugarte <cau@cs.arizona.edu>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: writing a driver for the IBM ultraport camera (USB)
Message-ID:  <1021620858.21403.71.camel@chowder.gsoft.com.au>
In-Reply-To: <20020517072741.9472.qmail@cobweb.example.org>
References:  <20020516091509.1671.qmail@cobweb.example.org> <15588.12506.65605.999864@pc-ugarte.research.att.com>  <20020517072741.9472.qmail@cobweb.example.org>

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On Fri, 2002-05-17 at 16:57, Marco Molteni wrote:
> Exactly! I know nothing about video, but I understand it would be crazy
> (or masochistic) to provide a different API per video driver. I am aware
> too of video4linux, which good or bad is at least a standard. Looking
> for a standard I found SANE (http://www.mostang.com/sane/) which is or
> tries to be the Unix (better?) equivalent of TWAIN. Although SANE means
> Scanner Access Now Easy, it talks also about video cameras.
> 
> Any ideas on this?

Generally web cams produce the same end data anyway.

The things that vary are resolution and colour depth.

V4L support would be nice but it's a lot of infrastructure.

You could look at how the bktr driver API works and provide a subset of
that.

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 9A8C 569F 685A D928 5140  AE4B 319B 41F4 5D17 FDD5


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