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XvSelectPortNotify - enable or disable XvPortNotify(3X)
events
#include
<X11/extensions/Xvlib.h>
XvSelectPortNotify(dpy, port, onoff)
Display *dpy;
XvPortID port;
Bool onoff;
- 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.
- [Success]
- Returned 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.
- [XvBadPort]
- Generated if the requested port does not exist.
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