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<TITLE>sane-devel: Re: newbie tryin to use SANE w/ webcam</TITLE>
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<META NAME="Author" CONTENT="Henning Meier-Geinitz (hmg-ml@gmx.de)">
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<META NAME="Subject" CONTENT="Re: newbie tryin to use SANE w/ webcam">
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<H1>Re: newbie tryin to use SANE w/ webcam</H1>
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<!-- received="Sun Sep 17 11:03:04 2000" -->
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<STRONG>From:</STRONG> Henning Meier-Geinitz (<A HREF="mailto:hmg-ml@gmx.de?Subject=Re:%20newbie%20tryin%20to%20use%20SANE%20w/%20webcam&In-Reply-To=<20000917194231.A397@hmg1.vortex.swb.de>"><EM>hmg-ml@gmx.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sun Sep 17 2000 - 10:42:31 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0163.html">Henning Meier-Geinitz: "Re: Mustek 600IICD DTC3181E or 53c810"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0161.html">Henning Meier-Geinitz: "Re: Additional entries for .desc files and sane-backends.html"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0160.html">Keith Warno: "newbie tryin to use SANE w/ webcam"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0164.html">Ian Stirling: "Future-proofing SANE."</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0164.html">Ian Stirling: "Future-proofing SANE."</A>
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<HR NOSHADE><P>
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<P>
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On Sun, Sep 17, 2000 at 09:31:02AM -0400, Keith Warno wrote:
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<BR>
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<EM>> I grabbed SANE 1.0.3 yesterday and I must say the compile process
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</EM><BR>
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<EM>> produced a LOT of warnings, mostly about unused variables and
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</EM><BR>
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<EM>> comparisons between signed and unsigned.
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</EM><BR>
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<P>This isn't nice but it isn't not unusual either. If you want to see some
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<BR>
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more warnings try ./configure --enable-warnings :^) I try to fix the
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<BR>
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warnings in my backend and the global parts of sane I understand. The rest
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<BR>
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must be done by the other backend maintainers. But not all backends are
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<BR>
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maintained, so ...
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<BR>
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<P><EM>> egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)"). The compile
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</EM><BR>
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<EM>> process was also pretty slow; my machine is lightly loaded and
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</EM><BR>
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<EM>> relatively fast (pIII 500, 256MB RAM, blah blah).
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</EM><BR>
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<P>There are many different backends to compile and link ...
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<BR>
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If you know what backend(s) you want to use you can change the
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<BR>
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"PRELOADABLE_BACKENDS=" line in backend/Makefile to only include the
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<BR>
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backends you need.
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<BR>
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<P><EM>> On to the real issue. I have an old US Robotics Big Picture
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</EM><BR>
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<EM>> camera. This thing comes with a video capture board made by
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</EM><BR>
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<EM>> Hauppaugue Computer Works, the Win/TV people. The board is the
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</EM><BR>
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<EM>> "Brooktree Bt848 (rev 17)". The kernel (2.2.17) has the bttv built
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</EM><BR>
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<EM>> in but I haven't been able to get the camera to do anything at all
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</EM><BR>
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<EM>> with SANE, or with any programs for that matter.
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</EM><BR>
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<P>I don't have much experience with cameras but I think if your camera isn't
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<BR>
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supported by the kernel you won't have success with SANE. SANE has direct
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<BR>
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support for some cameras (see README) but the rest is supported by the v4l
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<BR>
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backend which is an interface to the Video for Linux kernel driver. So if
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<BR>
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your camera doesn't work with e.g. KWinTv and Video for Linux you probably
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<BR>
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won't have success with SANE.
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<BR>
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<P><EM>> I tried using xcam but it gives me nothing. I would have expected
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</EM><BR>
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<EM>> the capture board to show up in xcam's device list but it
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</EM><BR>
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<EM>> doesn't. It's no where to be found.
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</EM><BR>
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<P>Is it found by the kernel?
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<BR>
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<P><EM>> xcam seems to have a few issues. It's segfaulted on me a number of
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</EM><BR>
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<EM>> times. Namely when attempting to change stuff in the Preferences
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</EM><BR>
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<EM>> menu (like "Show Advanced Options"). Maybe my gtk version is
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</EM><BR>
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<EM>> flaky? I have both glib and gtk version 1.2.8. :/
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</EM><BR>
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<P>I don't think that gtk is the reason. Since 2 1/2 years nobody touched xcam
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<BR>
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and it's without a maintainer. Would you like to maintain this program?
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<BR>
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<P>Bye,
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<BR>
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Henning
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20newbie%20tryin%20to%20use%20SANE%20w/%20webcam&In-Reply-To=<20000917194231.A397@hmg1.vortex.swb.de>">majordomo@mostang.com</A>
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<LI><STRONG>Next message:</STRONG> <A HREF="0163.html">Henning Meier-Geinitz: "Re: Mustek 600IICD DTC3181E or 53c810"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0161.html">Henning Meier-Geinitz: "Re: Additional entries for .desc files and sane-backends.html"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0160.html">Keith Warno: "newbie tryin to use SANE w/ webcam"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0164.html">Ian Stirling: "Future-proofing SANE."</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0164.html">Ian Stirling: "Future-proofing SANE."</A>
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