Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help
XvQueryExtension(3)		libXv Functions		   XvQueryExtension(3)

NAME
       XvQueryExtension	- return version and release of	extension

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

       int XvQueryExtension(Display *dpy, unsigned int *p_version,
			   unsigned int	*p_revision,
			   unsigned int	*p_request_base,
			   unsigned int	*p_event_base,
			   unsigned int	*p_error_base);

ARGUMENTS
       dpy	      Specifies	the connection to the X	server.

       p_version      Pointer  to  where  the current version number of	the Xv
		      video extension is written.

       p_revision     Pointer to where the revision number of the Xv video ex-
		      tension is written.

       p_request_base Pointer  to  where the extension major request number is
		      returned

       p_event_base   Pointer to where the extension event base	is returned

       p_error_base   Pointer to where the extension error base	is returned

DESCRIPTION
       XvQueryExtension(3) returns the version and release numbers for the  Xv
       video  extension	 currently  loaded on the system.  The extension major
       request number, event base, and error base are also returned.

RETURN VALUES
       [Success]
	       Returned	if XvQueryExtension(3) completed successfully.

       [XvBadExtension]
	       Returned	if the Xv video	extension is  not  available  for  the
	       named display.

SEE ALSO
       Xv(3)

X Version 11			 libXv 1.0.11		   XvQueryExtension(3)

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURN VALUES | SEE ALSO

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=XvQueryExtension&sektion=3&manpath=FreeBSD+12.0-RELEASE+and+Ports>

home | help