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xvattr

Langue: en

Version: 2009-07-29 (fedora - 01/12/10)

Section: 1 (Commandes utilisateur)

NAME

xvattr - Query/Set X11 XVideo Setting(s)

SYNOPSIS

xvattr [options...]

This program is used for getting and setting X11 Xv attributes such as XV_BRIGHTNESS, XV_CONTRAST, XV_SATURATION, XV_HUE, XV_COLORKEY, ...

For this program to work, you must have a version of X11 with the XVideo extension and a graphics card that has Xv graphics acceleration.

Note: On some cards XV_BRIGHTNESS and XV_CONTRAST are not listed among the available attributes, but they can still be set/changed.

OPTIONS

With no options, all parameters are displayed.

Long options are handled by GNU getopts and follow those rules. In particular, options that are specified with a double dash (--) rather than a single dash (-), can be abbreviated as long as they are unique. Long parameters that need a value specified may have the parameter and the value separated with blank space or an optional equals sign (and no intervening space).

For example the following are all equivalent:

xvattr -a XV_BRIGHTNESS xvattr --attribute XV_BRIGHTNESS xvattr --att XV_BRIGHTNESS xvattr --att=XV_BRIGHTNESS

Example:

   > xvattr
   Adaptor: 0
   Name: Matrox G-Series Backend Scaler
    Port: 46
     Name: XV_COLORKEY
      Flags: XvGettable XvSettable 
      Min value: 0
      Max value: 16777215
      Current value: 66046
 
 
{-a | --attribute} attribute name
Show value of attribute attribute name

Example:

   > xvattr -a XV_BRIGHTNESS
   XV_BRIGHTNESS = 24
 
 
{-a | --attribute} attribute name [-v | --value] value
Set attribute attribute name to value value.

Example:

   > xvattr -a XV_COLORKEY -v 10
   XV_COLORKEY set to 10
 
 
{-p | --port} port number
Get the attribute on the specified port. If -p is not set, the first available port is used.

Example:

   > xvattr -p 66
   Found Xv 2.2
   Adaptor: 0
   Name: SIS Video Overlay
    Port: 66
     Name: XV_COLORKEY
      Flags: XvGettable XvSettable 
      Min value: 0
      Max value: 16777215
      Current value: 66046
     Name: XV_BRIGHTNESS
      Flags: XvGettable XvSettable 
      Min value: -128
      Max value: 127
      Current value: 0
     Name: XV_CONTRAST
      Flags: XvGettable XvSettable 
      Min value: 0
      Max value: 255
      Current value: 128
 
 

AUTHOR

Bjo.rn Englund. Send bug reports to "d4bjorn@dtek.chalmers.se" "rocky@panix.com" turned the README into this document.

SEE ALSO

See also xvinfo and XvQueryAdaptors, XvSetPortAttribute, and XvGetPortAttribute.
   Copyright (C) 2001-2002 Bjo.rn Englund
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 
ABSURDE

M : Les verts veulent rétablir la paix au Kosovo en faisant la guerre !
P : Ce n'est qu'un début... Bientôt, ils lutteront contre la pollution en construisant des centrales nucléaires !