50 lines
1.6 KiB
Groff
50 lines
1.6 KiB
Groff
.TH XvQueryExtension __libmansuffix__ __vendorversion__
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.SH Name
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XvQueryExtension \- return version and release of extension
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.\"
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.SH Syntax
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.B #include <X11/extensions/Xvlib.h>
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.sp
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.nf
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.BI "XvQueryExtension(Display *" dpy ", unsigned int *" p_version ",
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.BI " unsigned int *" p_revision ",
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.BI " unsigned int *" p_request_base ",
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.BI " unsigned int *" p_event_base ",
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.BI " unsigned int *" p_error_base ");"
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.fi
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.SH Arguments
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.\"
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.IP \fIdpy\fR 15
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Specifies the connection to the X server.
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.IP \fIp_version\fR 15
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Pointer to where the current version number of the \fIXv\fP video extension
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is written.
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.IP \fIp_revision\fR 15
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Pointer to where the revision number of the \fIXv\fP video extension
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is written.
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.IP \fIp_request_base\fR 15
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Pointer to where the extension major request number is returned
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.IP \fIp_event_base\fR 15
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Pointer to where the extension event base is returned
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.IP \fIp_error_base\fR 15
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Pointer to where the extension error base is returned
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.\"
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.SH Description
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.\"
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.PP
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XvQueryExtension(__libmansuffix__) returns the version and release
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numbers for the Xv video extension currently loaded
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on the system. The extension major request number, event base, and error
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base are also returned.
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.\"
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.SH Returned Values
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.IP [Success] 8
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Returned if XvQueryExtension(__libmansuffix__) completed successfully.
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.IP [XvBadExtension] 8
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Returned if the Xv video extension is not available for
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the named display.
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.IP [XvBadAlloc] 8
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Returned if XvQueryExtension(__libmansuffix__) failed to allocate memory to process
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the request.
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.br
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