XvPortNotify(3)                 libXv Functions                XvPortNotify(3)

       XvPortNotify - event generated when port attributes change

       #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.

       XvPortNotify events are generated when a port attribute is set using
       the XvSetPortAttribute(3) function.

       XvSetPortAttribute(3), XvGetPortAttribute(3), XvSelectPortNotify(3).

X Version 11                     libXv 1.0.11                  XvPortNotify(3)