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<!-- received="Mon Jul 14 10:15:38 1997 MST" -->
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<!-- sent="Mon, 14 Jul 1997 09:27:50 -0700" -->
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<!-- name="David Mosberger-Tang" -->
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<!-- email="davidm@azstarnet.com" -->
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<!-- subject="Re: Hangs with B&W QuickCam" -->
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<!-- id="199707141627.JAA32039@panda.mosberger" -->
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<!-- inreplyto="199707141524.LAA16152@lemur.magnet.com" -->
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<title>sane-devel: Re: Hangs with B&W QuickCam</title>
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<h1>Re: Hangs with B&W QuickCam</h1>
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<b>David Mosberger-Tang</b> (<a href="mailto:davidm@azstarnet.com"><i>davidm@azstarnet.com</i></a>)<br>
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<i>Mon, 14 Jul 1997 09:27:50 -0700</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#59">[ date ]</a><a href="index.html#59">[ thread ]</a><a href="subject.html#59">[ subject ]</a><a href="author.html#59">[ author ]</a>
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<li> <b>Next message:</b> <a href="0060.html">Rildo Pragana: "Re: Cheap linux photo scanner"</a>
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<li> <b>Previous message:</b> <a href="0058.html">David Mosberger-Tang: "Re: Cheap linux photo scanner"</a>
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<li> <b>In reply to:</b> <a href="0057.html">Andrew Kuchling: "Re: Hangs with B&W QuickCam"</a>
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<i>>>>>> On Mon, 14 Jul 1997 11:24:53 -0400 (EDT), Andrew Kuchling <<a href="mailto:amk@magnet.com">amk@magnet.com</a>> said:</i><br>
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<p>
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Andrew> Adding qc_reset(q) after the qc_lock() in sane_start<br>
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Andrew> (resetting things *before* the scan) seems to fix things,<br>
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Andrew> but I have no idea what else that might break on colour<br>
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Andrew> qcams, so I wouldn't consider that a fix just yet. Perhaps<br>
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Andrew> if qc_reset() was only called if q->version!=QC_COLOR?<br>
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<p>
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(a) it will reduce the maximum frame rate<br>
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(b) it will loose the settings (such as brightness etc) on the second<br>
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through n-th image<br>
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<p>
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Andrew> Another minor problem: run xscanimage using the qcam, and<br>
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Andrew> set it to high resolution. The dialog box isn't redrawn<br>
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Andrew> properly, with some doubled text; an xwd dump of the result<br>
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Andrew> is at <a href="http://starship.skyport.net/crew/amk/ocr/bug.xwd">http://starship.skyport.net/crew/amk/ocr/bug.xwd</a> .<br>
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Andrew> The resulting scan doesn't work; does high resolution mode<br>
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Andrew> exist on the B&W qcam?<br>
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<p>
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No, it should be disabled for b&w.<br>
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<p>
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--david<br>
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<p>
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<pre>
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--
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</pre>
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0060.html">Rildo Pragana: "Re: Cheap linux photo scanner"</a>
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<li> <b>Previous message:</b> <a href="0058.html">David Mosberger-Tang: "Re: Cheap linux photo scanner"</a>
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<li> <b>In reply to:</b> <a href="0057.html">Andrew Kuchling: "Re: Hangs with B&W QuickCam"</a>
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