[PD] [GEM] PS3eye in Ubuntu 12.04?

[Ricardo Fabbri]

IOhannes,

guvcview can in fact control while Gem is running. Just use the right
parameter:

guvcview --control-only /dev/video0

Thats actually how I use it.

best,
Ricardo Fabbri
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri <http://www.lems.brown.edu/%7Erfabbri>
pt.wikipedia.org/wiki/IPRJ
labmacambira.sf.net


On Mon, May 14, 2012 at 10:18 AM, IOhannes m zmoelnig <zmoelnig at iem.at>wrote:

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> On 2012-05-12 10:49, Jaime Oliver wrote:
> > hi all,
> >
> > does anyone have experience with the ps3eye in ubuntu using
> > pd/gem?
> >
> > I am trying out ubuntu for one of my systems and have the following
> > issue.
> >
> > I am able to control the frame rate, autogain and several other
> > features of the PS3eye camera from GUVCViewer, but I cannot do it
> > from GEM.
>
> Gem won't (shan't) touch any settings of the device if it can help it.
> so setting the framerate before you start Gem should get you somewhere.
>
> furthermore, it should be possible to change some properties of the
> camera even while Gem is capturing.
>
> in the case of guvcview this might not work due to guvcview (which
> tries to also _capture_ images and fails doing so), but tools that
> only set properties should work ok.
> i'd recomment something simple like v4l2-ctl (on debian this is
> available in the v4l-utils package)
>
> $ v4l2-ctl -d /dev/video0 -p 120
>
>
> > Could anyone suggest a way of controlling the camera so that GEM
> > can use higher frame rates?
>
> nevertheless, setting the framerate is currently really missing in
> Gem's v4l2 backend. please file a feature-request (for Gem!).
>
> fgamsdr
> IOhannes
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>
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>


Ricardo Fabbri
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri <http://www.lems.brown.edu/%7Erfabbri>
pt.wikipedia.org/wiki/IPRJ
labmacambira.sf.net


On Mon, May 14, 2012 at 10:18 AM, IOhannes m zmoelnig <zmoelnig at iem.at>wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On 2012-05-12 10:49, Jaime Oliver wrote:
> > hi all,
> >
> > does anyone have experience with the ps3eye in ubuntu using
> > pd/gem?
> >
> > I am trying out ubuntu for one of my systems and have the following
> > issue.
> >
> > I am able to control the frame rate, autogain and several other
> > features of the PS3eye camera from GUVCViewer, but I cannot do it
> > from GEM.
>
> Gem won't (shan't) touch any settings of the device if it can help it.
> so setting the framerate before you start Gem should get you somewhere.
>
> furthermore, it should be possible to change some properties of the
> camera even while Gem is capturing.
>
> in the case of guvcview this might not work due to guvcview (which
> tries to also _capture_ images and fails doing so), but tools that
> only set properties should work ok.
> i'd recomment something simple like v4l2-ctl (on debian this is
> available in the v4l-utils package)
>
> $ v4l2-ctl -d /dev/video0 -p 120
>
>
> > Could anyone suggest a way of controlling the camera so that GEM
> > can use higher frame rates?
>
> nevertheless, setting the framerate is currently really missing in
> Gem's v4l2 backend. please file a feature-request (for Gem!).
>
> fgamsdr
> IOhannes
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.12 (GNU/Linux)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
>
> iEYEARECAAYFAk+xBiMACgkQkX2Xpv6ydvRk9QCgmgLkUxptSdPpcLe7+D1uiy/p
> S6MAn1BpARWuRcUq9UVcNXD6oE2j8+Xa
> =TeGw
> -----END PGP SIGNATURE-----
>
>
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