Structure

AUParameterEvent

A structure that describes a scheduled parameter event.

Declaration

typedef struct AUParameterEvent {
    ...
} AUParameterEvent;

Topics

Instance Properties

eventSampleTime

The sample time at which the event is scheduled to occur.

eventType

The type of render event. Must be AURenderEventParameter or AURenderEventParameterRamp.

next

The next event in a linked list of events.

parameterAddress

The parameter to change.

rampDurationSampleFrames

The ramp duration, in sample frames. Must be 0 for a non-ramped event; otherwise, must be greater than 0 for a ramped event.

reserved

Reserved field. Must be 0.

value

For a non-ramped event, this is the new parameter value. For a ramped event, this is the parameter value at the end of the ramp.