[K12OSN] vlc multicast (whoohoo! ) pulling preferences : HOW-TO

[Peter Hartmann]

Sure!  I think there might be other ways to do this but the way I've
set it up depends on having a multicast capable switch.  Go to the
http interface of your switch and browse to the Muticast Group
section.  Apparently you don't want Multicast Forwarding because it
seems that forwarding sends multicast packets to all hosts whether
they request the muticast or not. I can't imagine that would be good
for maintaining a solid  X connection with a terminal.  Group is the
way to go.  I selected all the ports on my switch as well as the link
aggregation group (ie bond0)  to be members of the Multicast Group.
You should see a dedicated range of ip addresses to use for
multicasting. in my case it's shown as 224-128|0.0.1.  Load a file in
vlc and check the "stream output" box.  click settings and in the udp
field put and address in the muilticast range. If you have a Dell
switch I'd be happy to send you screenshots of my setup. I chose
224.0.0.1 keeping the port 1234. I haven't yet gotten around to
figuring out how to copy a .vlc folder into everyones home folder.
but I found a pretty easy solution for guaranteeing that the multicast
will come off without a hitch regardless of the users default settings
for vlc.  from the command line you can specify a configuration file
with all the stuff you need.  to do that I first ran vlc and using the
advanced configuration chose 'Simple DirectMedia Layer video output"
and "EsounD output" then saved the settings. i then copied the vlcrc
file (in .vlc folder of users home) to a world readable place.   Then
in Fl_Teachertool I run this command for the users that I want to view
the multicast:

vlc --config /path/to/my/good/config/file/vlcrc  udp:@224.0.0.1

That's about it.  I hope I haven't left anything out.



Have fun!


Peter



On 7/27/06, Dean Mumby <dean at mumby.co.za> wrote:
> Peter Hartmann wrote:
> > Hey all,
> > i finally got vlc multicast working.  Wow, I can't beleive how well it
> > works and syncs in a lab!  Even the sound syncs perfectly!  But I'm
> > trying to get the right settings for vlc for everyone. I tried putting
> > a  .vlc folder in /etc/skel with all the right stuff but it doen't get
> > pulled from there when I start vlc from a client. Does anybody know
> > how to do this?
> >
> > Thanks!
> > peter
> >
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> care to share ?
>
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