---
title: CMFormatDescription.TimeCode
framework: coremedia
role: symbol
role_heading: Structure
path: coremedia/cmformatdescription/timecode
---

# CMFormatDescription.TimeCode

A type that describes format description time codes.

## Declaration

```swift
struct TimeCode
```

## Topics

### Constants

- [CMFormatDescription.TimeCode.Flag](coremedia/cmformatdescription/timecode/flag.md)

## Relationships

### Conforms To

- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Constants

- [extensionKeysCommonWithImageBuffers](coremedia/cmformatdescription/extensionkeyscommonwithimagebuffers.md)
- [typeID](coremedia/cmformatdescription/typeid.md)
- [CMFormatDescription.MediaType](coremedia/cmformatdescription/mediatype-swift.struct.md)
- [CMFormatDescription.MediaSubType](coremedia/cmformatdescription/mediasubtype-swift.struct.md)
- [CMFormatDescription.EqualityMask](coremedia/cmformatdescription/equalitymask.md)
- [CMFormatDescription.Extensions](coremedia/cmformatdescription/extensions-swift.struct.md)
- [CMFormatDescription.ParameterSetCollection](coremedia/cmformatdescription/parametersetcollection.md)