[cpia] Re: 2 cameras streaming at once?

Peter Pregler Peter_Pregler@email.com
Tue, 29 Aug 2000 08:22:06 +0200


On Mon, Aug 28, 2000 at 10:34:21AM -0700, Jobe Bittman wrote:
> I gav up on 2 cam streams. I have 2 USB Create WebCam IIs. I am trying to 
> replace the 2 windows machines my friend runs www.lizardcam.com on with one 
> pentium linux box. Using vidcat(from the w3cam package) and stamp I can get 
> the images but my cron job eventually locks up the video device after a 
> couple hours of screen captures every 30 seconds with cpia support compiled 
> into the kernel (2.4.0-test7).

There is definitly some driver-issue with mutliple cameras. However
due to various reasons I can neither stress test my parport/usb pair
nor do I have two USB cameras. So as for me it will take a few weeks
until I can debug it.

> I tried changing to kernel modules and loading an unloading the
> modules before each set of captures but that only prolongs it
> another couple hours until it dies again. When it dies as a module I
> get really funky errors, not just /dev/video not available. These
> last two tests were with the linux kernel driver not the cpia third
> party driver. I am going to try your driver tonight with kernel2.16
> and USB backport both ways. Is anyone using cpia-based cameras with
> linux for a webcam? Can you give me any tips on better ways to do my
> captures?

The kernel-driver and the driver at webcam.sourceforge.net are the
same source. There are no third-party driver.

-Peter

-- 
I will not waste chalk. --Bart Simpson at the blackboard
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