[sugar] [OLPC-GSoC] GSoC Status Report: Vision Processing

Joel Stanley joel.stan
Mon Jun 30 20:45:14 EDT 2008

Hello Nirav,

On Mon, Jun 30, 2008 at 4:34 PM,  <nrpatel at gmail.com> wrote:
> Thanks for testing.  The python you were using looks fine.  I can't
> say for sure without the hardware, but if it's crashing intermittently
> during cam.start(), its very likely to be a driver issue.  Does the
> webcam work with xawtv?  You might also check dmesg to see if the
> driver is complaining about anything.

I updated to the latest svn version of uvcvideo - there were a few
changes, not sure if they were applicable to my camera though.  I
haven't been able to reproduce any errors this morning, so perhaps the
bug is gone.

There doesn't appear to be anything about in dmesg. The camera works
fine with cheese[1], and xawtv.  There was some warnings thrown by
xawtv, I'm not familiar with it so I'm not sure if they're normal or
not.  I've included them below.



[1] http://www.gnome.org/projects/cheese/


$ xawtv
This is xawtv-3.95.dfsg.1, running on Linux/x86_64 (2.6.26-2-generic)
xinerama 0: 1440x900+0+0
/dev/video0 [v4l2]: no overlay support
v4l-conf had some trouble, trying to continue anyway
Warning: Cannot convert string
"-*-ledfixed-medium-r-*--39-*-*-*-c-*-*-*" to type FontStruct
ioctl: VIDIOC_G_STD(std=0x7fff4ffae3b4
Invalid argument
ioctl: VIDIOC_S_STD(std=0x0 []): Invalid argument

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