Re: [PD-dev] webcam color balance from gem

2011-11-17 Thread IOhannes m zmoelnig
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On 2011-11-17 02:07, Ricardo Fabbri wrote:
 Hi,
 
 would there be a straightforward way to adjust the hardware color
 balance of a webcam through GEM? Do you have experience in
 getting/setting those attributes with the PS3 eye webcam which has
 been used in a lot of Pd projects? perhaps installing a new driver
 with more controls?
 
 I am under Ubuntu 11.10 64bit with a 3.0.0-12 kernel.
 
 I am also trying to develop/improve v4l2 handling in gem and pdp, but
 I'd like to get some of the community input and wisdom first.

you can adjust each and every ctl available via the v4l2 driver from
within Gem.
see the [pd properties] subpatch in the help for pix_video.

the ps3eye gives me 10 controls with stock drivers (none of them dealing
with color correction, if they are labelled correctly).
i haven't tried the patch at [1] for a long time, but i remember having
good results back then (i mainly needed it the patch for being able to
adjust the imagesize/framerate, but it seems that it also allows some
color correction)

fgmasdr
IOhannes
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Re: [PD-dev] webcam color balance from gem

2011-11-17 Thread Ricardo Fabbri
thanks.

ps: you referred to [1]  but I see no link.

best,

On Thursday, November 17, 2011, IOhannes m zmoelnig zmoel...@iem.at wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 On 2011-11-17 02:07, Ricardo Fabbri wrote:
 Hi,

 would there be a straightforward way to adjust the hardware color
 balance of a webcam through GEM? Do you have experience in
 getting/setting those attributes with the PS3 eye webcam which has
 been used in a lot of Pd projects? perhaps installing a new driver
 with more controls?

 I am under Ubuntu 11.10 64bit with a 3.0.0-12 kernel.

 I am also trying to develop/improve v4l2 handling in gem and pdp, but
 I'd like to get some of the community input and wisdom first.

 you can adjust each and every ctl available via the v4l2 driver from
 within Gem.
 see the [pd properties] subpatch in the help for pix_video.

 the ps3eye gives me 10 controls with stock drivers (none of them dealing
 with color correction, if they are labelled correctly).
 i haven't tried the patch at [1] for a long time, but i remember having
 good results back then (i mainly needed it the patch for being able to
 adjust the imagesize/framerate, but it seems that it also allows some
 color correction)

 fgmasdr
 IOhannes
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-- 

Ricardo Fabbri
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri
labmacambira.sf.net
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Re: [PD-dev] webcam color balance from gem

2011-11-17 Thread IOhannes m zmoelnig
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On 2011-11-17 09:25, Ricardo Fabbri wrote:
 thanks.
 
 ps: you referred to [1]  but I see no link.

doh,

[1] http://bear24rw.blogspot.com/2009/11/ps3-eye-driver-patch.html


fgmasdr
IOhannes
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