Are you sure you're running your camera on a High-speed USB 2.0 port and
not in Full-speed mode?
Cheers,
Martin
On Thu, 22 Mar 2007 06:13:49 -0700, Martijn Houtman <[EMAIL PROTECTED]>
wrote:
> Hello list,
>
> I have a Logitch Quickcam Pro 5000 which runs fine with linux-uvc
> drivers, but I was wondering on how to set the JPEG quality it gives.
> What I'd like is to have uncompressed output, and compress it myself,
> but according to luvcview, the YUYV output has size limitations. Is
> there any other way to grab a good quality, full-size image? The
> bandwidth must be a bottleneck, but the framerate can be low, as I am
> only interested in still images.
>
> $ ./luvcview -L
> luvcview version 0.2.0
> Video driver: x11
> A window manager is available
> video /dev/video0
> /dev/video0 does not support read i/o
> { pixelformat = 'MJPG', description = 'MJPEG' }
> { discrete: width = 160, height = 120 }
> Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5,
> { discrete: width = 176, height = 144 }
> Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5,
> { discrete: width = 320, height = 240 }
> Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5,
> { discrete: width = 352, height = 288 }
> Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5,
> { discrete: width = 640, height = 480 }
> Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5,
> { pixelformat = 'YUYV', description = 'Uncompressed' }
> { discrete: width = 160, height = 120 }
> Time interval between frame: 1/15, 1/10, 1/5,
> { discrete: width = 176, height = 144 }
> Time interval between frame: 1/15, 1/10, 1/5,
>
> With kind regards,
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