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Diffstat (limited to 'usr.sbin/qcamcontrol/qcamcontrol.1')
-rw-r--r-- | usr.sbin/qcamcontrol/qcamcontrol.1 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/usr.sbin/qcamcontrol/qcamcontrol.1 b/usr.sbin/qcamcontrol/qcamcontrol.1 new file mode 100644 index 0000000..33f7a96 --- /dev/null +++ b/usr.sbin/qcamcontrol/qcamcontrol.1 @@ -0,0 +1,64 @@ +.Dd Feburary 29, 1996 +.Dt QCAMCONTROL 1 +.Os FreeBSD +.Sh NAME +.Nm qcamcontrol +.Nd Connectix QuickCam control utility +.Sh SYNOPSIS +.Nm qcamcontrol +.Op Fl b Ar brightness +.Op Fl c Ar contrast +.Op Fl d Ar depth +.Op Fl p Ar device +.Op Fl w Ar whitebalance +.Op Fl x Ar xsize +.Op Fl y Ar ysize +.Op Fl z Ar zoom +.Sh DESCRIPTION +.Nm qcamcontrol +is a program to demonstrate control over the Connectix QuickCam(TM) +parallel port camera and to take a single frame picture. +.Pp +If the device not specified, "/dev/qcam0" is assumed. +If no command is given, then +.Nm qcamcontrol +will use its defaults to grab a single frame from the camera. The control +program will output a portable pixmap (ppm) file to stdout. +.Pp +The following options are available: +.Bl -tag -width "flag whitebalance" +.It Fl b Ar brightness +control the brightness of the picture (0..255) +.It Fl c Ar contrast +control the contrast of the picture (0..255) +.It Fl d Ar depth +16 or 64 shades of gray (specified as 4 or 6 bits per pixel) +.It Fl p Ar device +quickcam device (port) (default is /dev/qcam0) +.It Fl w Ar whitebalance +amount of white in the picture (0..255) +.It Fl x Ar xsize +width of image (320 or less) +.It Fl y Ar ysize +height of image (240 or less) +.It Fl z Ar zoom +zoom in (1, 1.5x, or 2x) +.El +.Sh BUGS +.Nm qcamcontrol +does not enforce a proper aspect ratio for x y sizes. +In practice, standard picture sizes are 320x240 and 180x160 and all smaller +sizes that maintain a similar aspect ratio. +Also, the camera is notoriously finicky until you get just the right +combination of white-balance, contrast, and brightness. Improper values +will return all-black or all-white pictures. +.Sh FILES +.Bl -tag -width /dev/qcam0 -compact +.It Pa /dev/qcam0 +.El +.Sh AUTHOR +Paul Traina +.Sh HISTORY +The +.Nm qcamcontrol +command appeared in FreeBSD 2.1.1 |