From owner-freebsd-hackers Fri May 17 0:37: 0 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from cain.gsoft.com.au (genesi.lnk.telstra.net [139.130.136.161]) by hub.freebsd.org (Postfix) with ESMTP id CACFD37B401 for ; Fri, 17 May 2002 00:36:53 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by cain.gsoft.com.au (8.12.2/8.12.2) with ESMTP id g4H7YDBh074845; Fri, 17 May 2002 17:04:14 +0930 (CST) (envelope-from doconnor@gsoft.com.au) Subject: Re: writing a driver for the IBM ultraport camera (USB) From: "Daniel O'Connor" To: Marco Molteni Cc: Carlos Ugarte , freebsd-hackers@FreeBSD.ORG 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> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.5 Date: 17 May 2002 17:04:13 +0930 Message-Id: <1021620858.21403.71.camel@chowder.gsoft.com.au> Mime-Version: 1.0 X-Spam-Status: No, hits=-5 required=5 X-Spam-Level: (-5) X-Scanned-By: MIMEDefang 2.6 (www dot roaringpenguin dot com slash mimedefang) Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message