qcset1

Usage

Overview

qcset is a tool for manipulating the registrers of the Logitech QuickCam camera, and the kernel module parameters.

It operates on /dev/video0 by default, but you can specify a different device as a first argument.

Options

The val values should be between 0...65535 inclusive, 32768 is the default.

-h

Display this help

-i

Display camera information

-r

Display all known registers of camera

-a

Display all (including empty) registers of camera

-b val

Set brightness (camera exposure time)

-u val

Set hue (not supported with all sensors)

-o val

Set color strength (increase when setting hue)

-c val

Set contrast (camera gain)

-w val

Set whiteness (image sharpness when quality=best)

-s r

Settings read (from STDIN)

-s w

Settings write (to STDOUT)

-g v

Enable gamma correction with the given gamma value

-g rg:gg:bg

Specify different gamma value for each color channel

-g rg:gg:bg:rw:gw:bw

Specify also white balance (0.55:0.55:0.55:1.0:1.0:1.0)

-g +

Enable software lookup-table

-e +

Same as '-g +'

-g -

Disable software lookup-table

-e -

Same as '-g -'

-g '?'

Display software lookup-table status and contents

-e '?'

Same as '-g '?''

-e filename.ppm

Generate static equalization based on image in given raw PNM/PPM file.

Module parameters

Module parameters are modified and queried using the following syntax:

parameter=value

parameter?

The values are integers or a list of symbolic names separated by commas. This is the list of possible parameters and its symbolic values:

debug

user, camera, init, logic, errors, adaptation, controlurbs, bitstream, interrupts, mutex, common, frame, all

qcdebug

user, camera, init, logic, errors, adaptation, controlurbs, bitstream, interrupts, mutex, common, frame, all

keepsettings

y, n

settle

number

subsample

y, n

compress

y, n

frameskip

number

quality

fastest, good, horizontal, bilinear, better, best

adaptive

y, n

equalize

y, n

userlut

y, n

retryerrors

y, n

compatible

16x, dblbuf, torgb

video_nr

number