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RE: [LUG] USB Camera recomendations



Mark Said :

Can anyone recommend USB cameras which work well (or even at all)
with Linux? What I want is between 2 and 4 cameras which will be
fixed position and low framerate.

I will recant a recent tale involving me and some webcams (I will try and
keep it short).

About 3 or 4 months ago I purchased a Labtec webcam from a certain high
street chain (begins with Arrr and ends with gos). After a small amount of
research I found a driver for it and was fairly satisfied with the results
(im satisfied if the picture looks vaguely like me ... ). This is good I
thought now I need to get a second ( bought about 3 days ago)  so that I can
test point to point bidirectonal conferencing (gnomemeeting) with. So I went
back to the same store and bought the same model for the same price (or so I
thought).

Turned out that the second one I bought had a different USB device Id. After
some research I found that the driver for the previous camera I had bought
is based on the "older" driver for the newly bought camera that I had just
bought. In other words I had bought the newer version first and then the
older version after (same make and seemgly model).

Both cameras work but I have to admit the older (manufactured) version looks
better.

The moral of the story ? Well just like identical twins - theres always some
difference somewhere. Look carefully before you buy (or use cash so the
transaction is not traceable).

Anyway if your after low frame rate and not too fussy about quality look at
the Labtec offering at Arrr gos. Depending on the stock age of the model you
get you will need one or other of the drivers here

For older models 0x46d /  Product Id 0x840 0x850 0x870
http://qce-ga.sourceforge.net/

For newer model 0x46d / Product Id 0x921
http://home.tiscali.dk/tomasgc/labtec/

My cameras where Product Id 0x921 and 0x870 and worked / worked better
respectively, as to the the version you will get only the Gods (who like to
play tricks on unsuspecting Linux Users) know.

Caveat: Most of my experiance on the above has been based on gnomemeeting
use, xawtv and other V4L applications are an unknown ! 

Definately avoid the ViewCam £25 2 for 1 offer in Argos (for the moment),
there are people developing drivers ( I had a go myself and gave up) but
little that is stable or published at the moment. Interestingly though a lot
of the new webcams have the same SN9C102 chips for the USB control end of
the camera, including cameras for specific purposes (eg microscopes and
telescopes). It certainly would be nice to have a driver for these although
SN9C102 supports various different sensors. I just wish sonix would write a
linux driver (they support windows and mac).


Tom.

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