IABSD.fr/xenocara/app/xvctl/xvctl.1

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• Author : espie
  Date : 2013-08-26 19:25:10
  Hash : 6d7d1297
  Message : revisit old program of mine, make it look a bit more like sysctl after simplifications. okay matthieu@

• app/xvctl/xvctl.1

• .\"	$OpenBSD: xvctl.1,v 1.3 2013/08/26 19:25:10 espie Exp $
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  .\" Copyright (c) 2001 Marc Espie
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  .Dd November 9, 2001
  .Dt XVCTL 1
  .Os
  .Sh NAME
  .Nm xvctl
  .Nd get or set xv extension values
  .Sh SYNOPSIS
  .Nm xvctl
  .Op Fl n
  .Op Fl d Ar display
  .Op Fl s Ar screen
  .Op Fl A Ar adaptor
  .Ar name ...
  .Nm xvctl
  .Op Fl n
  .Op Fl d Ar display
  .Op Fl s Ar screen
  .Op Fl A Ar adaptor
  .Fl w
  .Ar name=value ...
  .Nm xvctl
  .Op Fl n
  .Op Fl d Ar display
  .Op Fl s Ar screen
  .Op Fl A Ar adaptor
  .Fl a
  .Sh DESCRIPTION
  The
  .Nm
  utility retrieves the Xvideo extension attributes and
  allows the user to set them.
  .Pp
  For instance, this can be used to change the contrast or brightness of an
  external video program.
  .Pp
  The options are as follows:
  .Bl -tag -width xxx
  .It Fl d Ar display
  affect the display named
  .Ar display , 
  instead of the default display.
  .It Fl s Ar screen
  affect screen #
  .Ar screen .
  By default, the first screen with video adaptors will be chosen.
  .It Fl A Ar adaptor
  affect adaptor #
  .Ar adaptor .
  By default, the first display adaptor will be chosen.
  .It Fl a 
  list all the currently available gettable attributes.
  This is the default, if no parameters are givne.
  .It Fl n
  suppress printing of the field name, only output the field value.
  Useful for setting shell variables.
  .El
  .Sh SEE ALSO
  .Xr xvinfo 1 ,
  .Xr Xv 3x