[AG-TECH] Video cam advice for XP/linux laptop

Michael Daw mike.daw at man.ac.uk
Wed Nov 13 07:49:40 CST 2002


Chris,

Thanks for this. This Logitech 4000 doesn't exactly appear a perfect
candidate. Jim Miller of inSORS sent me a separate mail recommending the
3000 model. I wonder if the 3000 has similar problems to those you
describe...? Jim/anyone?

--Mike

> -----Original Message-----
> From: Christoph Willing [mailto:chris at vislab.usyd.edu.au]
> Sent: 12 November 2002 23:04
> To: Michael Daw
> Cc: AG Technical Developers
> Subject: Re: [AG-TECH] Video cam advice for XP/linux laptop
>
>
> On Wed, 2002-11-13 at 02:52, Michael Daw wrote:
> > Dear all,
> >
> > I'm about to configure a laptop to be a PIG-like machine and I
> need to buy a
> > camera. I'm going to make the laptop dual boot WinXP and Linux.
> >
> > I liked the look of those Kritter cams, but it seems they don't
> work under
> > Linux
> >
> (http://www-unix.mcs.anl.gov/web-mail-archive/lists/ag-tech/2002/0
> 6/msg00125
> > .html). Has anyone got any recommendation for a similar thing
> that has good
> > quality video and works under both OS's? The e-mail at the link
> above lists
> > quite a few cameras, but I'd be interested in personal
> > recommendations/advice on models.
> >
> > --Mike
> >
>
> Mike,
>
> I've been trying out a Logitech Quickcam Pro 4000 via usb on our single
> machine node under Linux. It uses the pwc philips module and requires a
> pre-install of usb-uhci module. For full picture size (640x480) you'll
> also need to post-install the pwcx-i386 module (separately supplied, as
> described in above email).
>
> It comes with installation CDs for Windows so I guess it works that way,
> but I haven't tried it.
>
> Its downsides for me are
>
> 1. doesn't work with "normal" vic. It _does_ work with openMash vic
> (which I quite like for other reasons) however openMash vic uses a lot
> of cpu whenever there are active video streams i.e. you've clicked on a
> thumbnail to open that streams window
>
> 2. the size of 640x480; when that is halved to fit into a H261 frame it
> leaves a fairly wide border around the image i.e. 320x240 image in
> 352x288 window
>
> 3. I can't achieve frame rate better than 10fps under openMash vic. UCL
> vic achieves 30fps but no picture.
>
> Maybe someone is interested in fixing either of the vic programs?
>
> chris
>
>
> --
> Chris Willing                      Telephone   (61-2) 9351 3005
> VisLab, A28                        Facsimile   (61-2) 9351 1880
> University of Sydney
> NSW 2006 Australia                http://www.vislab.usyd.edu.au
>
>
>




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