XvPortNotify(3x)                                              XvPortNotify(3x)

       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.

               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.

               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(3x) function.

See Also
       XvSetPortAttribute(3x), XvGetPortAttribute(3x), XvSelectPortNotify(3x)

X Version 11                      libXv 1.0.1                 XvPortNotify(3x)