Motion and green image ?

Forum: Multimedia
Topic: Motion and green image ?
started by: tanguy

Posted by tanguy on Feb. 15 2006,09:33

i've installed the motion dsl extension, but i've a problem with my webcam a 840K Philips,
motion recognize it but the image is green

i've another old webcam a philips again
but it could be not initialized ( problem of decompression module in pcw if i understand )

Anyone have recompiled a version with new version of pwc driver
< >

If you use this package could you say what model of webcam you use
Many thanks

Posted by newOldUser on Feb. 15 2006,12:06
I use it once in a while with an old Dlink dsb-c100 camera that I bought for $10 years ago.

I thought the picture was fuzzy, out-of-focus and hard to look at but then I realized that was just the way I looked.  

Have you downloaded GQCam from MyDSL and tried the camera with that? If you can get it working with GQCam then it's just a config problem in motion.

I thought the Philips series of webcams were suppose to work OK.

I know the logitech series of webcams need the spca5xx driver that dsl doesn't have. There's an interesting page over at the < Ubuntu Forum > that talks about compiling the driver if someone is adventurous.

Have you looked around on the < Motion Home Page > to see if there is anything about your camera?

-Good luck

Posted by tanguy on Feb. 16 2006,06:58
Thanks for answer

I've install GQCam  and i've a little black and white image

My screen is decomposed in three part
at the top i see the real image three times in very small
in the middle a band of something !! who change a bit when i moved my webcam
at the bottom a large band of grey with nothing

image | image | image
band with something
large grey band with nothing

If you can an idea
or can give a name of a webcam you test and working

Many thanks for your help again

Posted by xandor on Feb. 18 2006,14:14
That's what I found on usenet Quote:
From: KarlD - view profile
Date: Thurs, Aug 25 2005 6:03 pm
Not yet rated
show options

Update on webcam installation on Mdk 10.0.

I finally got a Logitech quickcam 4000 pro working. The steps I
did is outlined below.
I haven't figured out how to get the microphone on the cam to
work yet. I don't know what audio module I need to load to get
the USB audio class properly registered but the webcam
works fine in 640x480 resolution at 15 fps.

The main issue I had was that the pwc module that
was shipped with the Mdk 10.0 distribution and whas loaded
when I first plugged in the camera did not work. Apparently
I needed som extra compression module that was not included.
The development of the Philips pwc driver has been
transferred over from Nemosoft to
< >
and the new version does not need the separate pwcx
decompression module.

I downloaded the pwc-10.0.4.tar.bz2 package and
compiled it and removed the old driver:
# rm /lib/modules/2.6.3-7mdk/kernel/drivers/usb/media/pwc.ko.gz
# cp pwc.ko /lib/modules/2.6.3-7mdk/kernel/drivers/usb/media/
# depmod -a
# rmmod pwc
# rmmod pwcx
# modprobe pwc

and the camera worked on the fly, tried xawtv and camstream

Quote end.
As  DSL_OS is kernel 2.4.x we should try to compile a module for it. If I had some more time I'd do it. Let's see.


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