Yan Seiner wrote:
> Has anyone tried using spca5xx with 2 webcams?
>
> I'm having a lot of trouble getting both webcams to send an image.
> One is always truncated.
>
> I suspect the spca5xxLE driver, since I can cause the webcams to fail
> to read based on the order invoked. ATM if I initialize /dev/video0
> first and /dev/video1 second, then /dev/video0 will provide corrupt
> images. If I reverse the order in which they are initialized, then
> the other camera will send corrupt images.
>
> One camera consistently sends the full image, and the other camera
> sends only the top 1/5 or so of the image.
>
> Hmmm....
>
> I've posted my very ugly and hacked up version of spcacat at
> <http://www.seiner.com/spca.tar.bz2>
>
> You should use the following line:
> spcacat -f jpg -g -N 1 -d /dev/video0 -d /dev/video1 -w 7070
>
> and then from a remote machine connect to it:
>
> nc 192.168.128.138 7070 > x.jpg
> nc 192.168.128.138 7071 > y.jpg
>
> nc should provide the full image. Alas, it does not. It's not a
> network problem; the read itself from the driver is short.
>
> --Yan
You likely don't have enough usb bandwidth. Try grabbing smaller images
sizes from the cameras.
--taco
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