[vlc-devel] Re: VLC Network Bug?
jgerecke at uoregon.edu
Thu Feb 22 17:43:24 CET 2007
Thank you so much!
Division of Student Affairs Support
From: vlc-devel-bounce at videolan.org [mailto:vlc-devel-bounce at videolan.org]
On Behalf Of Jean-Paul Saman
Sent: Thursday, February 22, 2007 3:24 AM
To: vlc-devel at videolan.org
Subject: [vlc-devel] Re: VLC Network Bug?
Change applied to our contrib system. In nightly builds a new contrib will
be built that has this option on by default.
Jason Gerecke wrote:
> Firstly, pardon me if this message has been sent to the wrong list. There
were quite a few to choose from, and this seemed to fit closest to the
content. I was going to post this in the VLC forum, but my account appears
to be "inactive" and I could find no way to get in touch with a moderator.
> I have been using VLC in a project here at the University of Oregon for
quite a while now. We are using it to record MPEG4 streams via RTSP from
Axis IP cameras. We have a Java applet connecting to its telnet interface to
create & control the streams and for the most part suits our needs. However,
the VLC service we have running on our server is crashing every few weeks.
> The error message found in the Event Log is "Faulting application vlc.exe,
version 0.8.5.0, faulting module libvlc.dll, version 0.0.0.0, fault address
0x0010559e." Dr. Watson provides "The application, C:\Program
Files\VideoLAN\VLC\vlc.exe, generated an application error The error
occurred on 02/07/2007 @ 11:43:01.464 The exception generated was c0000005
at address 62EC558D (libvlc!our_random)"
> After a bit of googling for "our_random", it appears to be included within
a Live555 streaming component (groupsock/inet.c:
http://www.live555.com/liveMedia/doxygen/html/inet_8c-source.html) as a
random number generator for systems which do not provide their own rand() or
srand() functions. Other people have reported issues with this function
segfaulting (never in conjuction with VLC however), possibly because of
multithreading issues, and the fix issued by the Live555 developers was to
provide an "#ifdef USE_SYSTEM_RANDOM" for builds on supporing systems (http:
> I have not been able to find this particular function after a cursory
search through the VLC source on Trac, but have found quite a bit of
anecdotal evidence that VLC is built with/against Live555 libraries. Given
that defining USE_SYSTEM_RANDOM while building this code seems to solve
these segfault issues, I am wondering if VLC is making use of this for its
Microsoft Windows builds. I did not want to post a "bug" to Trac if my
(many!) assumptions regarding the nature of this problem were incorrect.
> Thank you for your time,
> Jason Gerecke
> Division of Student Affairs Support
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