[PLUG-AV] Fwd: Next AV Project meet-up.

[Tim Bowden]

On 21 March 2011 13:02, James Bromberger <james at rcpt.to> wrote:
> On 21/03/2011 12:33 PM, Tim Bowden wrote:
>
> <sigh>
> Pity they don't have any suitable AMD mobo's.  Never dealt with them,
> and no idea how 'reasonable' their prices or kit are (though it would
> be hard for a business to offer cheaper second hand prices.
>
> Ah, they're over east. I was looking for a suitable local refurbishing
> place. Ross and McClerrnons (sp?) auction houses, as Nick ahs pointed out,
> seem the clearest options.
>
> <shrug>
>
> I guess if we can't get anything better, maybe we'll have to shell out
> some dollars for something.  I'll do another request to the plug list
> 'just because'.  I'm a little surprised we can't get a loaner from
> someone in PLUG.
>
> Thanks.
>
>
> How much grunt do we need for our DVSwitch host for the first few
> trials?  If it's 'not that much' for simple stuff (and not minding a
> few skipped frames etc), maybe the newer of the old boxes *might* do
> at a stretch, though it is single core.  We'd need a replacement
> camera box though.
>
>
> Well spec on DVSwitch page suggests
> (http://dvswitch.alioth.debian.org/wiki/component_interaction/)
>
> DVSwitch GUI does require at least a 1 Ghz cpu, but the GUI will flicker
> until about 2Ghz. I have run clients on P2 300 cpu just fine.
> The important part of this is the bandwidth and CPU requirements: the
> connection from dvswitch to dvsink-command is a single dv stream, just like
> all the others. ffmpeg2theora is going to need a lot of CPU. Exactly how
> much depends on the stream you create. For anything with text I prefer to
> keep the full resolution and drop the fps, even if it starts getting choppy.
> The above command maxes out a P4-1.7ghz
>
> So I think we need a dual core system, whre one core will just be the Theora
> compression (to send off to icecast). The other core is the primary video
> frame grabbing. Indeed, it would be nice if we were quad core, becuase then
> we'd have some spare cores to do some effects on (and have murmur/mumble
> nicely out the way).
>
> I'll add tonight's rendez-vous at Artifactory to the PLUG calendar give you
> guys (Nick and Tim) are confirmed going? Anyone else available?
>
>
>   James
>

I'll be there unless everyone else drops out.  Nick, was your locker
locked?  I'll start on doing the fresh install when I get there.

4core box for the grant request!

Tim