XvSelectPortNotify(3)
NAME
XvSelectPortNotify - enable or disable XvPortNotify events
SYNOPSIS
#include <X11/extensions/Xvlib.h> int XvSelectPortNotify(Display *dpy, XvPortID port, Bool onoff);
ARGUMENTS
dpy Specifies the connection to the X server.
- port Specifies the port for which PortNotify events are to be gener
- ated when its attributes are changed using XvSetPortAttribute(3)
- onoff Specifies whether notification is to be enabled or disabled.
DESCRIPTION
XvSelectPortNotify(3) enables or disables PortNotify event delivery to the requesting client. XvPortNotify(3) events are generated when port attributes are changed using XvSetPortAttribute(3).
RETURN VALUES
- [Success]
- Returned if XvSelectPortNotify(3) completed successfully.
- [XvBadExtension]
- Returned if the Xv extension is unavailable.
- [XvBadAlloc]
- Returned if XvSelectPortNotify(3) failed to allocate memory to process the request.
DIAGNOSTICS
- [XvBadPort]
- Generated if the requested port does not exist.