1 .TH XvQueryExtension __libmansuffix__ __vendorversion__ "libXv Functions"
3 XvQueryExtension \- return version and release of extension
6 .B #include <X11/extensions/Xvlib.h>
9 .BI "int XvQueryExtension(Display *" dpy ", unsigned int *" p_version ","
10 .BI " unsigned int *" p_revision ","
11 .BI " unsigned int *" p_request_base ","
12 .BI " unsigned int *" p_event_base ","
13 .BI " unsigned int *" p_error_base ");"
18 Specifies the connection to the X server.
19 .IP \fIp_version\fR 15
20 Pointer to where the current version number of the \fIXv\fP video extension
22 .IP \fIp_revision\fR 15
23 Pointer to where the revision number of the \fIXv\fP video extension
25 .IP \fIp_request_base\fR 15
26 Pointer to where the extension major request number is returned
27 .IP \fIp_event_base\fR 15
28 Pointer to where the extension event base is returned
29 .IP \fIp_error_base\fR 15
30 Pointer to where the extension error base is returned
35 .BR XvQueryExtension (__libmansuffix__)
36 returns the version and release numbers for the Xv video extension
37 currently loaded on the system. The extension major request number,
38 event base, and error base are also returned.
43 .BR XvQueryExtension (__libmansuffix__)
44 completed successfully.
45 .IP [XvBadExtension] 8
46 Returned if the Xv video extension is not available for the named display.
48 .BR Xv (__libmansuffix__)