# CVDisplayLinkTranslateTime(_:_:_:) Translates the time in the display link’s time base from one representation to another. ``` func CVDisplayLinkTranslateTime(_ displayLink: CVDisplayLink, _ inTime: UnsafePointer, _ outTime: UnsafeMutablePointer) -> CVReturn ``` ## Parameters `displayLink` The display link whose time base should be used to do the translation. `inTime` A pointer to a `CVTimeStamp` structure containing the source time to translate. `outTime` A pointer to a `CVTimeStamp` structure into which the target time is written. Before calling, you must set the version field (currently `0`) to indicate which version of the structure you want. You should also set the `flags` field to specify which representations to translate to. ## Return Value A Core Video result code. See [Core Video Constants](/documentation/CoreVideo/core-video-constants) for possible values. ## Discussion Note that the display link has to be running for this call to succeed. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)