XvSelectPortNotify

XvSelectPortNotify(3X)				       XvSelectPortNotify(3X)



Name
       XvSelectPortNotify - enable or disable XvPortNotify(3X) events

Syntax
       #include <X11/extensions/Xvlib.h>

       XvSelectPortNotify(dpy, port, onoff)

       Display *dpy;
       XvPortID port;
       Bool onoff;

Arguments
       dpy     Specifies  the  display	screen	on  which  the X Server is to
	       accept requests from X clients.	If the display option is  not
	       specified, X uses the display screen specified by your DISPLAY
	       environment variable.  The display option has the format host-
	       name:number.   Using  two colons (::) instead of one (:) indi-
	       cates that DECnet is to be used for transport.

       port    Specifies the port for which PortNotify events are to be	 gen-
	       erated  when  its  attributes  are  changed using XvSetPortAt-
	       tribute(3X).

       onoff   Specifies whether notification is to be enabled or disabled.

Description
       XvSelectPortNotify(3X) enables or disables PortNotify  event  delivery
       to  the requesting client.  XvPortNotify(3X) events are generated when
       port attributes are changed using XvSetPortAttribute(3X).

Returned Values
       [Success]
	       Returned if XvSelectPortNotify(3X) completed successfully.

       [XvBadExtension]
	       Returned if the Xv extension is unavailable.

       [XvBadAlloc]
	       Returned if XvSelectPortNotify(3X) failed to  allocate  memory
	       to process the request.

Diagnostics
       [XvBadPort]
	       Generated if the requested port does not exist.

See Also
       XvSetPortNotify(3X), XvSetPortAttribute(3X), XvPortNotify(3X)



X.Org				Version 6.8.2	       XvSelectPortNotify(3X)