[AG-TECH] linux + Logitech USB Quickcam Pro 9000 + VIC gives QCIF image?

[Douglas Kosovic]

Hi Andrew,

> Is anyone using a Logitech Quickcam Pro 9000 USB camera under Linux and 
> been
> able to get a VIC image larger than 176x144 (QCIF)?
>
> If I run 'luvcview' I can get something that resembles 352x288/CIF 
> although
> i'm not sure what size it is exactly!

Could you provide the output of 'luvcview -L' which list the available 
resolutions and pixelformats, I've appended the ouput from a Creative UVC 
webcam at the bottom of this email.

> I've built the latest uvcvideo kernel module source from
> http://linux-uvc.berlios.de/


> vic-2.8ucl1.4.0-0.1.20080714svn.fc8
>
> V4L2: start
> V4L2: format cifdecimate: 2
> V4L2: setting input port to 0
> V4L2: failed to set format! requested 352x288, got 176x144

It's the UVC driver, not VIC which selects 176x144 as the nearest resolution 
to 352x288, hopefully the 'luvcview -L' output will explain why.

Cheers,
Doug

Device information:
  Device path:  /dev/video1
/dev/video1 does not support read i/o
{ pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
{ discrete: width = 640, height = 480 }
        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 = 160, height = 120 }
        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 = 176, height = 144 }
        Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5,
{ discrete: width = 1280, height = 960 }
        Time interval between frame: 2/15, 1/5,
{ discrete: width = 1600, height = 1200 }
        Time interval between frame: 1/5,
{ pixelformat = 'MJPG', description = 'MJPEG' }
{ discrete: width = 640, height = 480 }
        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 = 160, height = 120 }
        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 = 176, height = 144 }
        Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 1/5,
{ discrete: width = 1280, height = 960 }
        Time interval between frame: 1/10, 1/5,