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# CMMediaType

Constants that represent media types.

```
typealias CMMediaType = FourCharCode
```

## Topics

### Constants

[`kCMMediaType_Audio`](/documentation/CoreMedia/kCMMediaType_Audio)

Audio media.

[`kCMMediaType_AuxiliaryPicture`](/documentation/CoreMedia/kCMMediaType_AuxiliaryPicture)

[`kCMMediaType_ClosedCaption`](/documentation/CoreMedia/kCMMediaType_ClosedCaption)

Closed-caption media.

[`kCMMediaType_Metadata`](/documentation/CoreMedia/kCMMediaType_Metadata)

Meta data.

[`kCMMediaType_Muxed`](/documentation/CoreMedia/kCMMediaType_Muxed)

Muxed media.

[`kCMMediaType_Subtitle`](/documentation/CoreMedia/kCMMediaType_Subtitle)

Subtitle media.

[`kCMMediaType_Text`](/documentation/CoreMedia/kCMMediaType_Text)

Text media.

[`kCMMediaType_TimeCode`](/documentation/CoreMedia/kCMMediaType_TimeCode)

Time code media.

[`kCMMediaType_Video`](/documentation/CoreMedia/kCMMediaType_Video)

Video media.

[`kCMMediaType_TaggedBufferGroup`](/documentation/CoreMedia/kCMMediaType_TaggedBufferGroup)

Media containing a tagged buffer group.


---

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