# CMSwapHostEndianTimeCodeDescriptionToBig(_:_:) Converts a time code description data structure from host-endian to big-endian, in place. ``` func CMSwapHostEndianTimeCodeDescriptionToBig(_ timeCodeDescriptionData: UnsafeMutablePointer, _ timeCodeDescriptionSize: Int) -> OSStatus ``` ## Parameters `timeCodeDescriptionData` TimeCodeDescription data structure in host-endian byte ordering to be converted to big-endian byte ordering. `timeCodeDescriptionSize` Size of TimeCodeDescription data structure. ## Discussion --- 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)