<!--
{
  "documentType" : "article",
  "framework" : "CoreMedia",
  "identifier" : "/documentation/CoreMedia/media-type-constants",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "Media Type Constants"
}
-->

# Media Type Constants

Constants that represent media types.

## Topics

### Constants

[`var kCMMediaType_Audio: CMMediaType`](/documentation/CoreMedia/kCMMediaType_Audio)

Audio media.

[`var kCMMediaType_AuxiliaryPicture: CMMediaType`](/documentation/CoreMedia/kCMMediaType_AuxiliaryPicture)

[`var kCMMediaType_ClosedCaption: CMMediaType`](/documentation/CoreMedia/kCMMediaType_ClosedCaption)

Closed-caption media.

[`var kCMMediaType_Metadata: CMMediaType`](/documentation/CoreMedia/kCMMediaType_Metadata)

Meta data.

[`var kCMMediaType_Muxed: CMMediaType`](/documentation/CoreMedia/kCMMediaType_Muxed)

Muxed media.

[`var kCMMediaType_Subtitle: CMMediaType`](/documentation/CoreMedia/kCMMediaType_Subtitle)

Subtitle media.

[`var kCMMediaType_Text: CMMediaType`](/documentation/CoreMedia/kCMMediaType_Text)

Text media.

[`var kCMMediaType_TimeCode: CMMediaType`](/documentation/CoreMedia/kCMMediaType_TimeCode)

Time code media.

[`var kCMMediaType_Video: CMMediaType`](/documentation/CoreMedia/kCMMediaType_Video)

Video media.

[`var kCMMediaType_TaggedBufferGroup: CMMediaType`](/documentation/CoreMedia/kCMMediaType_TaggedBufferGroup)

Media containing a tagged buffer group.


---

Copyright &copy; 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)