

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

'xvattr' 
	will give a list of the available attributes
	on different ports.

'xvattr -a <attribute name>'
	will show the current value of the attribute.

'xvattr -a <attribute name> -v <value>'
	will set the attribute to value.

'xvattr -p <port nr> ...'
	will set get the attribute on the specified port. 
	If -p is not set, the first available port is used.


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

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

> xvattr -a XV_COLORKEY -v 10
XV_COLORKEY set to 10

> xvattr -a XV_BRIGHTNESS
XV_BRIGHTNESS = 24

bugs:
Send bug reports to d4bjorn@dtek.chalmers.se
