[PD] logitech webcam and GEM

Jack jack at rybn.org
Fri Sep 21 17:23:11 CEST 2007


With GEM and [pix_video] you can send the message [driver 0( or  
[driver 1( to switch between drivers (e.g: v4l and ieee1394).
I can't test here.

Jack


Le 21 sept. 07 à 17:08, Jack a écrit :

> I don't really know Linux, but have you test your configuration (usb
> webcam) with pdp object ([pdp_v4l]) ?
> I know it's not a good answer, but it could help to know if your
> webcam work with your system.
> Sorry !
>
> Jack
>
>
> Le 21 sept. 07 à 16:40, altern a écrit :
>
>> hi
>>
>> i am trying to use a USB webcam with GEM on my IBM laptop with Ubuntu
>> Studio but pd gives me an error
>>
>> error: failed opening device '/dev/video0'
>>
>> the same camera runs perfectly on the same laptop under XP and  
>> also on
>> my desktop machine with Ubuntu Studio. All using the same patch and
>> same
>> versions of PD and GEM.
>>
>> The camera is a logitech quickcam communicate STX
>> PD 0.39.3 extended-rc5
>> Linux r2d2-desktop 2.6.20-16-lowlatency #2 SMP PREEMPT Fri Aug 31
>> 00:58:46 UTC 2007 i686 GNU/Linux
>>
>> The camera seems to be recognised, if i plug it on i can see the
>> camera's blue light flashing and dmesg gives this :
>>
>> [27776.980572] ubuntu/media/gspcav1/gspca_core.c: USB SPCA5XX camera
>> found.(ZC3XX)
>>
>> same message as in the desktop machine.
>>
>> Comparing the PD output from both machines i can see that after  
>> saying
>>
>> - GEM start rendering
>> my desktop says :
>> - v4l::thread starting
>> but the laptop says:
>> - error: failed opening device '/dev/video0'
>>
>> i searched with synaptic for v4l and compared all stuff installed in
>> both machines just in case i was missing some library in the
>> laptop, but
>> it is exactly the same in both...
>>
>> my bet is that some module is missing, but i dont know which ones
>> might
>> be as i havent mess around with modules very much so far, i am
>> comparing
>> the lsmod from the desktop and laptop at the moment, there are few
>> differences but i dont really know where to start from, any one has
>> any
>> idea?
>>
>> thanks!
>>
>> enrike
>>
>>
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>
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