Mark McClelland wrote:
> I believe this is your problem:
>
> CONFIG_USB_BANDWIDTH=y
>
> IIRC, that is the "Enforce Bandwidth Allocation" option. I could never get that to
>work reliably with ov511, even with only one camera. There is no real
> penalty for turning it off, to my knowledge.
Mark and others
Just an update on multiple cameras. I've upgraded to the webcam program in xawtv-3.41
and made a small amendment to allow multiple cameras each with its
own parameter file. Still the same problem of picture corruption with the quadrabus
card (OHCI). I've tried capturing from separate computers (one on the
quadrabus and the other using a UHCI card) and there is no corruption, so I think the
xawtv/webcam software is working fine.
I'm left with the conclusion that the problem lies with the four quadrabus inputs
sharing the same IRQ.
Maybe this is a kernel problem, rather than USB.
Anyone know who to forward this problem to?
Regards
Bill
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