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<link rel="stylesheet" href="camstream.css" type="text/css">
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<p><a href="index.html" target="_top">Frames</a></p>
<h1>Frequently Asked Questions</h1>
<p>Here are some of the questions that have been asked a number of times,
with my answers.
<h3>General questions</h3>
<p class="question">Hey, great tool, but will you write a command-line version?</p>
<p class="answer">No. (Yes, sometimes I'm blunt. Think about it, though.)</p>
<p class="question">Whenever I switch desktops, minimize the camstream window
or do some other heavy stuff on the screen, the program stops with an
"error -22".
<p class="answer">It's a problem with your motherboard/USB controller. Due
to the heavy traffic on the PCI bus to your videocard, the USB controller
can't get through and produces an error. There is nothing I can do about
that, you may have to fiddle with 'setpci' to give your USB controller more
priority (increase the latency timer for USB, lower that of your video
card). This is a bit dangerous, though.</p>
<p class="answer">Alternatively, buy an AGP video card or a new motherboard.</p>
<p class="question">I've got a Philips cam (or related model), and I can only get a very small image.</p>
<p class="answer">This is really a <a
href="http://www.smcc.demon.nl/webcam/">PWC driver issue</a>. You must load
the additional PWCX module to get full resolution.</p>
<p class="question">I installed CamStream succesfully, but when I try to run it I get a 'cannot connect to X server :0'</p>
<p class="answer">You probably did an 'su' to install camstream and you
forgot to log out of superuser mode. This is one of those instances where
being root does <b>not</b> allow you to do something (the exact
reason is a bit technical). The solution is to logout of your superuser
shell, or simply take a different xterm/konsole/whatever and start camstream
as your normal self.</p>
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