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Re: [AG-TECH] VIC menu slowness under linux



Hi Jim,

Is your machine heavily loaded when you're having these problems, or
do you only see the problem when you turn on encryption?

Piers.

On 12/22/05, Jim Miller <millerjw@psc.edu> wrote:
> Yes, I am talking on the capture machine itself.  The machine is running
> the servicemanager with 3 video feeds (hauppauge cards) and an audio
> RAT.  The RAT is very responsive, the VIC is not.  I have attempted to
> adjust framerates from 20-30fps with no change in response time.  VIC is
> just slow.  I am running a 2.4 kernel, but I noticed this same thing in
> older Linux and VIC versions as well dating back to AG 1 days.  It has
> become an issue lately due to meetings that we attend being encrypted.
> It takes forever to manipulate through 3 VIC windows to set up
> encryption for every stream.
> Thanks,
> Jim
>
>
> Christoph Willing wrote:
> >
> > On 22/12/2005, at 4:39 AM, Jim Miller wrote:
> >
> >> I am having an issue with my capture node with VIC being painfully
> >> slow to respond to pretty much anything.  If I try and manipulate  the
> >> menu, I can't do anything except click, wait 2 min, click again.
> >> Is there a known fix?
> >
> >
> > Jim,
> >
> > Is this a new phenomenon?
> >
> > When you "manipulate the menu", do you mean the vic menu(s) on the
> > capture machine itself, or the "Manage my Node" menu (back on the
> > display machine) to configure vic via VideoProducer instance(s)?
> >
> > What frame rate are you attempting? For PAL, 24fps is usually the max
> > for standard composite/s-video bt878 capture boards, rather than the
> > expected 25fps. Perhaps there's a similar problem for NTSC (try using
> > 29fps, rather than the expected 30fps)? Also, any USB camera running
> > with 2.4.x kernels is _very_ inefficient, and will cause the symptoms
> > you describe, at greater than 21fps.
> >
> > Any other apps running on the capture machine chewing up cpu cycles?
> >
> > Are other applications on the capture machine affected the same way
> > (slow to respond)?
> >
> >
> > chris
> >
> >
> > Christoph Willing                           +61 7 3365 8350
> > QPSF Access Grid Manager
> > University of Queensland
> >
> >
>
>