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[Octave-bug-tracker] [bug #43897] image-acquisition freezes when trying


From: Andreas Weber
Subject: [Octave-bug-tracker] [bug #43897] image-acquisition freezes when trying getsnapshot(obj);
Date: Sat, 27 Dec 2014 20:45:21 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.3.0

Follow-up Comment #4, bug #43897 (project octave):

The "result == -1 (Resource temporarily unavailable)" in your log is almost
always a USB bus error. Usual faults are either not enough USB bandwidth,
power or a buggy driver. Do you see something with "dmesg"?

I think you could also use mplayer to test. Do you see a live image with

mplayer tv:// -tv driver=v4l2:device=/dev/video0


Can you also try image-acquisition 0.2.1? It isn't officially released yet but
you'll find it here: https://sourceforge.net/p/octave/package-releases/126/
Just download the tar.gz and install (don't unpack it) it within Octave via
"pkg install image-acquisition-0.2.1.tar.gz"

    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?43897>

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  http://savannah.gnu.org/




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