---
title: "CMSwapBigEndianTimeCodeDescriptionToHost(_:_:)"
framework: coremedia
role: symbol
role_heading: Function
path: "coremedia/cmswapbigendiantimecodedescriptiontohost(_:_:)"
---

# CMSwapBigEndianTimeCodeDescriptionToHost(_:_:)

Converts a time code description data structure from big-endian to host-endian, in place.

## Declaration

```swift
func CMSwapBigEndianTimeCodeDescriptionToHost(_ timeCodeDescriptionData: UnsafeMutablePointer<UInt8>, _ timeCodeDescriptionSize: Int) -> OSStatus
```

## Parameters

- `timeCodeDescriptionData`: TimeCodeDescription data structure in big-endian byte ordering to be converted to host-endian byte ordering.
- `timeCodeDescriptionSize`: Size of TimeCodeDescription data structure.

## See Also

### Working with Time Code Descriptions

- [CMTimeCodeDescriptionFlavor](coremedia/cmtimecodedescriptionflavor.md)
- [CMTimeCodeFormatDescriptionCreate(allocator:timeCodeFormatType:frameDuration:frameQuanta:flags:extensions:formatDescriptionOut:)](coremedia/cmtimecodeformatdescriptioncreate(allocator:timecodeformattype:frameduration:framequanta:flags:extensions:formatdescriptionout:).md)
- [CMTimeCodeFormatDescriptionGetFrameDuration(_:)](coremedia/cmtimecodeformatdescriptiongetframeduration(_:).md)
- [CMTimeCodeFormatDescriptionGetFrameQuanta(_:)](coremedia/cmtimecodeformatdescriptiongetframequanta(_:).md)
- [CMTimeCodeFormatDescriptionGetTimeCodeFlags(_:)](coremedia/cmtimecodeformatdescriptiongettimecodeflags(_:).md)
- [CMTimeCodeFormatDescriptionCopyAsBigEndianTimeCodeDescriptionBlockBuffer(allocator:timeCodeFormatDescription:flavor:blockBufferOut:)](coremedia/cmtimecodeformatdescriptioncopyasbigendiantimecodedescriptionblockbuffer(allocator:timecodeformatdescription:flavor:blockbufferout:).md)
- [CMTimeCodeFormatDescriptionCreateFromBigEndianTimeCodeDescriptionBlockBuffer(allocator:bigEndianTimeCodeDescriptionBlockBuffer:flavor:formatDescriptionOut:)](coremedia/cmtimecodeformatdescriptioncreatefrombigendiantimecodedescriptionblockbuffer(allocator:bigendiantimecodedescriptionblockbuffer:flavor:formatdescriptionout:).md)
- [CMTimeCodeFormatDescriptionCreateFromBigEndianTimeCodeDescriptionData(allocator:bigEndianTimeCodeDescriptionData:size:flavor:formatDescriptionOut:)](coremedia/cmtimecodeformatdescriptioncreatefrombigendiantimecodedescriptiondata(allocator:bigendiantimecodedescriptiondata:size:flavor:formatdescriptionout:).md)
- [CMSwapHostEndianTimeCodeDescriptionToBig(_:_:)](coremedia/cmswaphostendiantimecodedescriptiontobig(_:_:).md)