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Name

XvSelectPortNotify - enable or disable XvPortNotify(3X) events

Syntax

#include <X11/extensions/Xvlib.h>

XvSelectPortNotify(dpy, port, onoff)

Display *dpy;
XvPortID port;
Bool onoff;

Arguments

dpy
Specifies the display screen on which the X Server is to accept requests from X clients. If the display option is not specified, X uses the display screen specified by your DISPLAY environment variable. The display option has the format hostname:number. Using two colons (::) instead of one (:) indicates that DECnet is to be used for transport.
port
Specifies the port for which PortNotify events are to be generated when its attributes are changed using XvSetPortAttribute(3X) .
onoff
Specifies whether notification is to be enabled or disabled.

Description

Returned Values

[Success]
Returns True if XvSelectPortNotify(3X) completed successfully.
[XvBadExtension]
Returned if the Xv extension is unavailable.
[XvBadAlloc]
Returned if XvSelectPortNotify(3X) failed to allocate memory to process the request.

Diagnostics

[XvBadPort]
Generated if the requested port does not exist.

See Also



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