# Re: Hangs with B&W QuickCam

David Mosberger-Tang (davidm@azstarnet.com)
Mon, 14 Jul 1997 09:27:50 -0700

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>>>>> On Mon, 14 Jul 1997 11:24:53 -0400 (EDT), Andrew Kuchling <amk@magnet.com> said:

Andrew> Adding qc_reset(q) after the qc_lock() in sane_start
Andrew> (resetting things *before* the scan) seems to fix things,
Andrew> but I have no idea what else that might break on colour
Andrew> qcams, so I wouldn't consider that a fix just yet. Perhaps
Andrew> if qc_reset() was only called if q->version!=QC_COLOR?

(a) it will reduce the maximum frame rate
(b) it will loose the settings (such as brightness etc) on the second
through n-th image

Andrew> Another minor problem: run xscanimage using the qcam, and
Andrew> set it to high resolution. The dialog box isn't redrawn
Andrew> properly, with some doubled text; an xwd dump of the result
Andrew> is at http://starship.skyport.net/crew/amk/ocr/bug.xwd .
Andrew> The resulting scan doesn't work; does high resolution mode
Andrew> exist on the B&W qcam?

No, it should be disabled for b&w.

--david

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