CVTime

A structure used for storing Core Video time values.

Overview

Core video uses the CVTime and CVTimeStamp structures for storing Core Video time values. You use them to interact with the Core Video display link.

Topics

Inspecting the Host Clock

CVGetCurrentHostTime

Returns the current system time.

CVGetHostClockFrequency

Returns the frequency of updates to the system time.

CVGetHostClockMinimumTimeDelta

Returns the smallest possible increment in the system time.

Data Types

CVTime

A structure for reporting Core Video time values.

CVTimeStamp

A structure for representing a display timestamp.

CVSMPTETime

A structure for holding an SMPTE time.

Constants

CVTime Values

Keys that represent Core Video time values.

See Also

Time Management

CVDisplayLink

A high-priority thread that notifies your app when a given display will need each frame.