[cpia] more than one camera question ..

[Johannes Erdfelt]

On Sun, Jul 02, 2000, Ramprasad Rao <ramp@oddjob.uchicago.edu> wrote:
> 
> I am a newbie but was thrilled to get my ezcam USB to work. Thanks to all 
> the developers. I just have a couple of questions. 
> 
> 1. I was planning on getting a couple other cameras. How would the 
> device names be. Is the following correct -
> 
> mknod /dev/video1 c 81 1
> mknod /dev/video2 c 81 2

Looks good. I think. I don't have a reference right now.

> A related question - How far away can the camera be placed. The longest 
> available USB cable is 5 m but one could string HUBS in series. 

According to the USB specs, you can go 5 hubs deep. There is a maximum
distance of 30 meters I believe. This would give with 6 5meter cables.

> 2. Can one capture sound with this camera. The 'xawtv' program crashes 
> every time I try to use sound. 
> 
> Some details about my setup:
> iMac running linuxppc - kernel 2.2.17pre6 with a 2.4.0-test2 USB backport.
> 
> I apologize if this is a faq somewhere - Ram

The CPiA camera has no sound. You'll need to use an external microphone.

JE