Bandwidth. Most USB cameras use most (more than half) of the USB
bandwidth. Putting 2 cameras on 1 bus will oversubscribe it. The current
code will allow you to do this, but it won't work well.
JE
On Fri, Jun 16, 2000, Bret Wallach <[EMAIL PROTECTED]> wrote:
> I need them both to go as fast as possible. Also, in a post on May 2nd to
> linux-usb, JE wrote:
>
> "As a side note, using 2 cameras at the same time won't work unless you
> have 2 seperate USB busses."
>
> I'm not sure why that is though.
>
> Bret
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > Jeroen Vreeken
> > Sent: Friday, June 16, 2000 10:02 AM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [linux-usb] Dual USB Controller and Video Camera
> > Configuration Question
> >
> >
> > Hi,
> >
> > Won't it be easier to use a hub?
> > I suppose there is only one connector on youre laptop...
> >
> > Jeroen
> >
> > Bret Wallach wrote:
> > >
> > > Hi:
> > >
> > > I need to get two USB video cameras working concurrently on
> > a laptop. I
> > > currently have one working well (OV511/OV7610 based) using
> > the on-board UHCI
> > > controller.
> > >
> > > My understanding is that I'll need to get a 2nd USB
> > controller. Can anybody
> > > recommend a USB controller (e.g. PCMCIA) that works with a laptop
> > > (specifically SONY VAIO PCG-Z505)?
> > >
> > > Does this configuration have any prayer of working? (I'm
> > certainly willing
> > > to hack the OV511 driver and anything else, if necessary).
> > >
> > > Thanks,
> > > Bret
> > >
> > >
> > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > > For additional commands, e-mail: [EMAIL PROTECTED]
> >
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
