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XvPortNotify(3) libXv Functions XvPortNotify(3)
NAME XvPortNotify - event generated when port attributes change
SYNOPSIS #include <X11/extensions/Xvlib.h>

typedef union { int type; XvVideoNotifyEvent xvvideo; XvPortNotifyEvent xvport; long pad[24]; } XvEvent;
typedef struct { int type; unsigned long serial; Bool send_event; Display *display; XvPortID port_id; Time time; Atom attribute; long value; } XvPortNotifyEvent;

type Specifies the type of event: XvPortNotify.
serial Number of the last request processed by the server.
send_event True if the event was generated by a SendEvent request.
display A pointer to the display the event was read from.
port_id The port whose attribute has changed.
attribute An atom specifying the attribute that changed.
value The new value of the attribute.
DESCRIPTION XvPortNotify events are generated when a port attribute is set using the XvSetPortAttribute(3) function.
SEE ALSO XvSetPortAttribute(3), XvGetPortAttribute(3), XvSelectPortNotify(3).
X Version 11 libXv 1.0.12 XvPortNotify(3)