xvctl man page on OpenBSD

xvctl man page on OpenBSD

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XVCTL(1)		   OpenBSD Reference Manual		      XVCTL(1)

NAME
     xvctl - get or set xv extension values

SYNOPSIS
     xvctl [-n] [-d display] [-s screen] [-A adaptor] name ...
     xvctl [-n] [-d display] [-s screen] [-A adaptor] -w name=value ...
     xvctl [-n] [-d display] [-s screen] [-A adaptor] -a

DESCRIPTION
     The xvctl utility retrieves the Xvideo extension attributes and allows
     the user to set them.

     For instance, this can be used to change the contrast or brightness of an
     external video program.

     The options are as follows:

     -d display
	  affect the display named display, instead of the default display.

     -s screen
	  affect screen # screen.  By default, the first screen with video
	  adaptors will be chosen.

     -A adaptor
	  affect adaptor # adaptor.  By default, the first display adaptor
	  will be chosen.

     -a	  list all the currently available gettable attributes.

     -n	  suppress printing of the field name, only output the field value.
	  Useful for setting shell variables.

     -w	  required to set a variable. The name should be followed by an equal
	  sign and the new value.

SEE ALSO
     xvinfo(1), Xv(3x)

OpenBSD 4.9		       November 9, 2001			   OpenBSD 4.9

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