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X11R7.4 - man page for xvselectportnotify (x11r4 section 3)

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XvSelectPortNotify(3)							    XvSelectPortNotify(3)

       XvSelectPortNotify - enable or disable XvPortNotify(3) events

       #include <X11/extensions/Xvlib.h>

       XvSelectPortNotify(Display *dpy, XvPortID port, Bool onoff);

       dpy     Specifies the connection to the X server.

       port    Specifies  the  port  for  which  PortNotify  events  are to be generated when its
	       attributes are changed using XvSetPortAttribute(3).

       onoff   Specifies whether notification is to be enabled or disabled.

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

Returned Values
	       Returned if XvSelectPortNotify(3) completed successfully.

	       Returned if the Xv extension is unavailable.

	       Returned if  XvSelectPortNotify(3)  failed  to  allocate  memory  to  process  the

	       Generated if the requested port does not exist.

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

X Version 11				   libXv 1.0.4			    XvSelectPortNotify(3)
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