Hi John,

First I should apologize about the case problems. I mistakenly assembled
the Linux distribution on a Windows machine that mangled all of our cases.
I will be putting up a new 2.33 distribution today that should fix that.

Second, it does indeed sould like you have a chanel problem. In the
simpleTest.c code there is a line:

char            *vconf = "-width=640 -height=480 -channel=1 -mode=NTSC -debug -contrast=0.4 -brightness=0.5";

You should try changing the channel flag to 0,1,2, etc to try and get
input from your different inputs on the TV tuner card.

We have been using ARToolKit under Linux here with the WinTV bttv card
with no trouble once we've selected the right channel.

I hope this helps,

		Mark

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mark Billinghurst 		| Human Interface Technology Laboratory
grof@h ..................	| University of Washington, Box 352-142
fax: +1-206-543-5380		| Seattle, WA 98195
On Tue, 24 Apr 2001, John Martirano wrote:

>
> The simpleTest for the linux distribution is not capturing.
> I have a bttv card with tv tuner, composite, s-video, etc.
> The simpleTest acknowledges the various channels but pops up
> a window with static at about 2 frames a second.
>
> setup is:
> 2.2.19 kernel, redhat 6.2, i2c, bttv, latest LInux download from
> http://www.hitl.washington.edu/research/shared_space/download/
>
> i found a DEFALUT_VIDEO_CHANNEL in include/ar/config.h
> (DEFALUT IS spelled that way, and ar has to be changed to AR
> there are a host of case problems)
>
> i tried changing that but cannot compile, 1st because of case problems
> which keep cropping up and then because the makefiles seem to have
> some recursive bug which opens several hundred makefiles and then
> dies
>
> Questions
> 1) could the capture problem be a channel problem? or something else?
>    i looked at video.c but not too indepth...
> 2) any more up to date version of ARToolkit for linux out there?
>
> i've run artoolkit on irix in the past with no problems...
>
> any response would be greatly appreciated,
> john
>
>

The simpleTest for the linux distribution is not capturing.
I have a bttv card with tv tuner, composite, s-video, etc.
The simpleTest acknowledges the various channels but pops up
a window with static at about 2 frames a second.

setup is:
2.2.19 kernel, redhat 6.2, i2c, bttv, latest LInux download from
http://www.hitl.washington.edu/research/shared_space/download/ 

i found a DEFALUT_VIDEO_CHANNEL in include/ar/config.h
(DEFALUT IS spelled that way, and ar has to be changed to AR
there are a host of case problems)

i tried changing that but cannot compile, 1st because of case problems
which keep cropping up and then because the makefiles seem to have
some recursive bug which opens several hundred makefiles and then
dies 

Questions 
1) could the capture problem be a channel problem? or something else?
   i looked at video.c but not too indepth...
2) any more up to date version of ARToolkit for linux out there?

i've run artoolkit on irix in the past with no problems...

any response would be greatly appreciated,
john

>The simpleTest acknowledges the various channels but pops up
>a window with static at about 2 frames a second.
>
>setup is:
>2.2.19 kernel, redhat 6.2, i2c, bttv, latest LInux download from
>http://www.hitl.washington.edu/research/shared_space/download/ 

Version number of i2c and bttv is also important.
It depends on the motherboard and video capture card.
Sometimes too slow, sometimes crash.
Please try late version of i2c and bttv.
http://www.strusel007.de/linux/bttv/

Also important thing is the version of XFree86.
You should use OpenGL accelerated XFree and graphics driver.
For example: XFree86 4.01 and nVidia driver for GeForce graphics cards.
http://www.nvidia.com/Products/Drivers.nsf/Linux.html

>i found a DEFALUT_VIDEO_CHANNEL in include/ar/config.h
>(DEFALUT IS spelled that way, and ar has to be changed to AR
>there are a host of case problems)

Sorry. English in the source codes is too bad.

>2) any more up to date version of ARToolkit for linux out there?

http://www.sys.im.hiroshima-cu.ac.jp/people/kato/etc/ARToolKit2.40.tar.gz


-- 
------------------------------------------------------------------
  Hirokazu Kato
  Faculty of Information Sciences
  Hiroshima City University               Phone: 082-830-1705
  Email: kato@s ........................     Fax: 082-830-1435
  URL: http://www.sys.im.hiroshima-cu.ac.jp/people/kato/