Thanks for that guys, Jason's solution worked once I realised something else
silly I did wrong whilst testing my setup.
I might try and look into that source code that Chris has linked to there to
see if there is an easy patch to fix the bug.
It looks like the UI is simply set up in the wrong state upon start up, won't
know until I look into the code I guess.
I'll let you know what I find.
Cheers
Andrew
From: Christoph Willing [mailto:c.will...@uq.edu.au]
Sent: Thursday, 5 December 2013 1:55 PM
To: Andrew Danson
Cc: accessgrid-tech@lists.sourceforge.net
Subject: Re: [AG-TECH] VPCScreen under Linux
On 05/12/2013, at 11:54 AM, Andrew Danson
<andrew.dan...@newcastle.edu.au<mailto:andrew.dan...@newcastle.edu.au>> wrote:
Hi Guys,
Recently I've set up the AG software on a RHEL 6.4 workstation machine, and it
works nicely apart from one niggling issue I've been having.
Basically VPCScreen capture software doesn't work, when you attempt to start
the capture it crashes without so much as an error message.
I just found the same thing (maybe) on my most recent Slackware build. Running
in debug mode (VenueClient3.py -d in a terminal) actually mentioned an
unsatisfied shared object library version - it was looking for libavcodec.so.54
whereas my system has a newer libavcodec.so.55 so, yes, a rebuild would fix
that. In the meantime, I was able to make a symbolic link from the ...so.55
library to ...so.54 which was enough to make VPCScreen work (yes, a bad hack
but confirms cause of problem).
I thought perhaps with the X servers being trimmed down significantly
(specifically some extensions removed) is it possible that it simply is try to
use an extension no longer in Xorg? Older programs that can capture the screen
such as XV and Vic both work ok, so perhaps a rebuild is all that's required.
Unfortunately Vic doesn't really have any means to control the captured area,
so it's not really adequate.
If there is some source available somewhere I wouldn't mind having a hack at
trying to fix it, but I've not seen any documentation about where to find the
latest source (or any for that matter).
Are you using the Centos builds for your RHEL 6.4? If so, there are SRPMs that
you could rebuild from at:
http://www.vislab.uq.edu.au/centos/6/SRPMS/
The source code repo is at:
http://sourceforge.net/projects/if-media.accessgrid.p
chris
Christoph Willing +61 7 3365 8316
Research Computing Centre
University of Queensland
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