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.TH XvSelectPortNotify __libmansuffix__ __vendorversion__ "libXv Functions"
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.SH NAME
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XvSelectPortNotify \- enable or disable XvPortNotify events
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.\"
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.SH SYNOPSIS
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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 "int XvSelectPortNotify(Display *" dpy ", XvPortID " port ", Bool " onoff ");"
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.fi
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.SH ARGUMENTS
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.\"
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.IP \fIdpy\fR 8
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Specifies the connection to the X server.
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.IP \fIport\fR 8
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Specifies the port for which PortNotify events are to be generated
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when its attributes are changed using
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.BR XvSetPortAttribute (__libmansuffix__)
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.
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.IP \fIonoff\fR 8
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Specifies whether notification is to be enabled or disabled.
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.\"
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.SH DESCRIPTION
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.\"
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.BR XvSelectPortNotify (__libmansuffix__)
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enables or disables PortNotify event delivery to the requesting client.
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.BR XvPortNotify (__libmansuffix__)
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events are generated when port attributes are changed using
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.BR XvSetPortAttribute (__libmansuffix__).
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.\"
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.SH RETURN VALUES
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.IP [Success] 8
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Returned if
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.BR XvSelectPortNotify (__libmansuffix__)
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completed successfully.
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.IP [XvBadExtension] 8
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Returned if the Xv extension is unavailable.
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.IP [XvBadAlloc] 8
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Returned if
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.BR XvSelectPortNotify (__libmansuffix__)
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failed to allocate memory to process the request.
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.SH DIAGNOSTICS
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.IP [XvBadPort] 8
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Generated if the requested port does not exist.
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.SH SEE ALSO
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.\"
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.BR XvSetPortNotify (__libmansuffix__),
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.BR XvSetPortAttribute (__libmansuffix__),
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.BR XvPortNotify (__libmansuffix__)
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