[Octave-bug-tracker] [bug #43897] image-acquisition freezes when trying getsnapshot(obj);

[anonymous]

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

                 Summary: image-acquisition freezes when trying
getsnapshot(obj);
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Sat 27 Dec 2014 06:36:22 PM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Crash
                  Status: None
             Assigned to: None
         Originator Name: Greg
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.2
        Operating System: GNU/Linux

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Details:

Image acquisition freezes when trying getsnapshot(obj).
Example:

octave:4> test @videoinput/getsnapshot
^C^C^C^C^CPress Control-C again to abort.
^Cpanic: Interrupt -- stopping myself...


Doesn't work with test functions as well as simple functions like:
img=getsnapshot(obj); preview(obj); etc.

the log file keeps on growing, and after 368 lines just keeps repeating the
error:

request == VIDIOC_DQBUF
  timestamp 0.000000
result == -1 (Resource temporarily unavailable)



Setup:
- BeagleBone Black (connected via SSH/Putty), with or without additional 5V/2A
power supply behaves the same.
- Logitech C200 camera (functional on windows).
- Ubuntu 14.04
- Octave 3.8.2
- image-acquisition 0.1.2




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File Attachments:


-------------------------------------------------------
Date: Sat 27 Dec 2014 06:36:22 PM UTC  Name: libv4l2_debug.log  Size: 14kB  
By: None

<http://savannah.gnu.org/bugs/download.php?file_id=32721>
-------------------------------------------------------
Date: Sat 27 Dec 2014 06:36:22 PM UTC  Name: terminal output.txt  Size: 2kB  
By: None

<http://savannah.gnu.org/bugs/download.php?file_id=32722>

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

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