I went to the Philips web site, and even downloaded a .pdf that should have
specs for the Philips PCVC680K Vesta Pro camera. But I couldn't find the
answer to a simple question: what if any compression does the camera have
built into it? For it to do 640x480@30fps, wouldn't it need compression to
get the bitrate down to USB speeds?
Peter Kaczowka
Mark Cooke wrote:
> On Sun, 14 May 2000, Roger Hardiman wrote:
>
> > Mark,
> >
> > > I've finally got around to trying to spend some time getting the above
> > > combination to work. The camera itself connects to a bt878 based
> > > board, that has virtually nothing except the 878 on it.
> >
> > The camera on the Pace Bt878 card is a digital camera.
> > It is not a PAL video camera.
>
> <snip>
>
> > There are full datasheets for the other Brooktree chip on the
> > Brooktree (now called Connextant) web site.
> > It also includes a reference design using a camera which looks
> > identical to the Pace Camera.
>
> Yes. I had very brief contact with an ex-PMC employee sometime last
> year who said their kit was just the reference design, but I didn't
> get any pointers to where said design was to be found - or the fact
> the camera wasn't PAL based.
>
> > However, you are best buying a PAL video camera from Maplins
> > and connecting it to the compisite video in on the card.
>
> Aye. I booted windows and looked at the quality of the PMC kit output
> - it was pretty shoddy (much more so that I remember last time I ran
> it with Windows) - magenta and green flickering snowstorm effect. I
> guess being stuffed into the bottom of my 'pc junk' box didn't do it
> any good even though it was all anti-static bagged.
>
> I've taken your advice and ordered a new camera - actually a USB
> based device, listed as working on linux-usb and supposedly capable of
> 640x480@30fps (Philips PCVC680K Vesta Pro). Not that I ever plan to
> run it harder than a few per second for video conferencing.
>
> Thanks for taking the time to fill me in on the pmc camera, Roger.
>
> Cheers,
>
> Mark
>
> +-------------------------------------------------------------------------+
> Mark Cooke The views expressed above are mine and are not
> Systems Programmer necessarily representative of university policy
> University Of Birmingham URL: http://www.sr.bham.ac.uk/~mpc/
> +-------------------------------------------------------------------------+
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