[AG-TECH] Problems using webcam?

[Michael Miller]

Doug,

Here's what I get when running vic alone.  Once vic is running I go to the 
menu and click transmit.  Any ideas?

Michael

resource device Vic
resource enableBVC Vic
resource smallfont Vic
resource defaultPort(v4l- Logitech QuickCam Pro 4000 /dev/video0) Vic
resource smallfont Vic
resource contrast Vic
resource brightness Vic
resource hue Vic
resource saturation Vic
resource quality Vic
resource transmitOnStartup Vic
Got grid width 3
resource ag_enable_window_grid Vic
enable=
Did not find monitor list
Using monitor list {0 0 1024 768 main 0}
have monitor 'idx=0' '0 0 1024 768 main 0'
v4l: mmap()'ed buffer size = 0xe1000
Got pict, palette=15
ioctl VIDIOCSPICT: Invalid argument
Got pict again, palette=15
ioctl VIDIOCMCAPTURE even: Invalid argument
ioctl VIDIOCMCAPTURE odd: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
resource relateInterface Vic
resource smallfont Vic
resource background Vic
resource smallfont Vic
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument
ioctl VIDIOCSYNC: Invalid argument
ioctl VIDIOMCAPTURE: Invalid argument


At 03:28 AM 8/9/2004, Douglas Kosovic wrote:
>Hi Michael,
>
> > So I finally got the Fedora 2 kernel upgraded and the pwc module is
> > loaded.  I went and got Doug's updated vic from the tar file and put it in
> > /home/mimiller/.AccessGrid/local_services/VideoProducerService
>
>That's the correct location, unless you are using VideoService instead.
>
>The new Fedora AGTk 2.3 beta 1 RPMs contain versions of vic which
>incorporate the patch.
>
> > I moved the old one out of the way of course.
> >
> > However, I still get the green screen from the QuickCam.  Did I put the
>new
> > vic in the wrong place?
>
>You could try running vic directly from the command-line, e.g:
>   cd ~/.AccessGrid/local_services/VideoProducerService
>   ./vic 234.5.6.7/18000
>
>Click the menu button, then click transmit and then see if there are any
>useful diagnostic messages being printed out.
>
>You might also want to have a look at /var/log/messages and see if there are
>any hints there as to what could be going wrong.
>
>Perhaps your webcam doesn't support either YUV422P or YUV420P pixel formats
>for capture that vic requires.
>
>
>Cheers,
>Doug

Thanx,

Michael Miller
System Engineer
Visualization Technology Support
Computing and Data Management
National Center for Supercomputing Applications
University of Illinois - UC
217-649-0747

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