---
title: CMFormatDescription.MediaSubType
framework: coremedia
role: symbol
role_heading: Structure
path: coremedia/cmformatdescription/mediasubtype-swift.struct
---

# CMFormatDescription.MediaSubType

A type that describes format description media subtypes.

## Declaration

```swift
struct MediaSubType
```

## Topics

### Media Subtypes

- [aLaw](coremedia/cmformatdescription/mediasubtype-swift.struct/alaw.md)
- [aacAudibleProtected](coremedia/cmformatdescription/mediasubtype-swift.struct/aacaudibleprotected.md)
- [aacLCProtected](coremedia/cmformatdescription/mediasubtype-swift.struct/aaclcprotected.md)
- [ac3](coremedia/cmformatdescription/mediasubtype-swift.struct/ac3.md)
- [aes3](coremedia/cmformatdescription/mediasubtype-swift.struct/aes3.md)
- [amr](coremedia/cmformatdescription/mediasubtype-swift.struct/amr.md)
- [amr_WB](coremedia/cmformatdescription/mediasubtype-swift.struct/amr_wb.md)
- [animation](coremedia/cmformatdescription/mediasubtype-swift.struct/animation.md)
- [appleIMA4](coremedia/cmformatdescription/mediasubtype-swift.struct/appleima4.md)
- [appleLossless](coremedia/cmformatdescription/mediasubtype-swift.struct/applelossless.md)
- [atsc](coremedia/cmformatdescription/mediasubtype-swift.struct/atsc.md)
- [audible](coremedia/cmformatdescription/mediasubtype-swift.struct/audible.md)
- [boxed](coremedia/cmformatdescription/mediasubtype-swift.struct/boxed.md)
- [cea608](coremedia/cmformatdescription/mediasubtype-swift.struct/cea608.md)
- [cea708](coremedia/cmformatdescription/mediasubtype-swift.struct/cea708.md)
- [cinepak](coremedia/cmformatdescription/mediasubtype-swift.struct/cinepak.md)
- [counter32](coremedia/cmformatdescription/mediasubtype-swift.struct/counter32.md)
- [counter64](coremedia/cmformatdescription/mediasubtype-swift.struct/counter64.md)
- [dv](coremedia/cmformatdescription/mediasubtype-swift.struct/dv.md)
- [dvcNTSC](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcntsc.md)
- [dvcPAL](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcpal.md)
- [dvcPROHD1080i50](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcprohd1080i50.md)
- [dvcPROHD1080i60](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcprohd1080i60.md)
- [dvcPROHD1080p25](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcprohd1080p25.md)
- [dvcPROHD1080p30](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcprohd1080p30.md)
- [dvcPROHD720p50](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcprohd720p50.md)
- [dvcPROHD720p60](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcprohd720p60.md)
- [dvcPro50NTSC](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcpro50ntsc.md)
- [dvcPro50PAL](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcpro50pal.md)
- [dvcProPAL](coremedia/cmformatdescription/mediasubtype-swift.struct/dvcpropal.md)
- [dviIntelIMA](coremedia/cmformatdescription/mediasubtype-swift.struct/dviintelima.md)
- [emsg](coremedia/cmformatdescription/mediasubtype-swift.struct/emsg.md)
- [enhancedAC3](coremedia/cmformatdescription/mediasubtype-swift.struct/enhancedac3.md)
- [flac](coremedia/cmformatdescription/mediasubtype-swift.struct/flac.md)
- [h263](coremedia/cmformatdescription/mediasubtype-swift.struct/h263.md)
- [h264](coremedia/cmformatdescription/mediasubtype-swift.struct/h264.md)
- [hevc](coremedia/cmformatdescription/mediasubtype-swift.struct/hevc.md)
- [hevcWithAlpha](coremedia/cmformatdescription/mediasubtype-swift.struct/hevcwithalpha.md)
- [iLBC](coremedia/cmformatdescription/mediasubtype-swift.struct/ilbc.md)
- [icy](coremedia/cmformatdescription/mediasubtype-swift.struct/icy.md)
- [id3](coremedia/cmformatdescription/mediasubtype-swift.struct/id3.md)
- [iec60958AC3](coremedia/cmformatdescription/mediasubtype-swift.struct/iec60958ac3.md)
- [jpeg](coremedia/cmformatdescription/mediasubtype-swift.struct/jpeg.md)
- [jpeg_OpenDML](coremedia/cmformatdescription/mediasubtype-swift.struct/jpeg_opendml.md)
- [linearPCM](coremedia/cmformatdescription/mediasubtype-swift.struct/linearpcm.md)
- [mace3](coremedia/cmformatdescription/mediasubtype-swift.struct/mace3.md)
- [mace6](coremedia/cmformatdescription/mediasubtype-swift.struct/mace6.md)
- [microsoftGSM](coremedia/cmformatdescription/mediasubtype-swift.struct/microsoftgsm.md)
- [midiStream](coremedia/cmformatdescription/mediasubtype-swift.struct/midistream.md)
- [mobile3GPP](coremedia/cmformatdescription/mediasubtype-swift.struct/mobile3gpp.md)
- [mpeg1System](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg1system.md)
- [mpeg1Video](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg1video.md)
- [mpeg2Program](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg2program.md)
- [mpeg2Transport](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg2transport.md)
- [mpeg2Video](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg2video.md)
- [mpeg4AAC](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4aac.md)
- [mpeg4AAC_ELD](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4aac_eld.md)
- [mpeg4AAC_ELD_SBR](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4aac_eld_sbr.md)
- [mpeg4AAC_ELD_V2](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4aac_eld_v2.md)
- [mpeg4AAC_HE](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4aac_he.md)
- [mpeg4AAC_HE_V2](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4aac_he_v2.md)
- [mpeg4AAC_LD](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4aac_ld.md)
- [mpeg4AAC_Spatial](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4aac_spatial.md)
- [mpeg4CELP](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4celp.md)
- [mpeg4HVXC](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4hvxc.md)
- [mpeg4TwinVQ](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4twinvq.md)
- [mpeg4Video](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeg4video.md)
- [mpegD_USAC](coremedia/cmformatdescription/mediasubtype-swift.struct/mpegd_usac.md)
- [mpegLayer1](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeglayer1.md)
- [mpegLayer2](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeglayer2.md)
- [mpegLayer3](coremedia/cmformatdescription/mediasubtype-swift.struct/mpeglayer3.md)
- [opus](coremedia/cmformatdescription/mediasubtype-swift.struct/opus.md)
- [parameterValueStream](coremedia/cmformatdescription/mediasubtype-swift.struct/parametervaluestream.md)
- [pixelFormat_16BE555](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_16be555.md)
- [pixelFormat_16BE565](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_16be565.md)
- [pixelFormat_16LE555](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_16le555.md)
- [pixelFormat_16LE5551](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_16le5551.md)
- [pixelFormat_16LE565](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_16le565.md)
- [pixelFormat_24RGB](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_24rgb.md)
- [pixelFormat_32ARGB](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_32argb.md)
- [pixelFormat_32BGRA](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_32bgra.md)
- [pixelFormat_422YpCbCr10](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_422ypcbcr10.md)
- [pixelFormat_422YpCbCr16](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_422ypcbcr16.md)
- [pixelFormat_422YpCbCr8](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_422ypcbcr8.md)
- [pixelFormat_422YpCbCr8_yuvs](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_422ypcbcr8_yuvs.md)
- [pixelFormat_4444YpCbCrA8](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_4444ypcbcra8.md)
- [pixelFormat_444YpCbCr10](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_444ypcbcr10.md)
- [pixelFormat_444YpCbCr8](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_444ypcbcr8.md)
- [pixelFormat_8IndexedGray_WhiteIsZero](coremedia/cmformatdescription/mediasubtype-swift.struct/pixelformat_8indexedgray_whiteiszero.md)
- [proRes422](coremedia/cmformatdescription/mediasubtype-swift.struct/prores422.md)
- [proRes422HQ](coremedia/cmformatdescription/mediasubtype-swift.struct/prores422hq.md)
- [proRes422LT](coremedia/cmformatdescription/mediasubtype-swift.struct/prores422lt.md)
- [proRes422Proxy](coremedia/cmformatdescription/mediasubtype-swift.struct/prores422proxy.md)
- [proRes4444](coremedia/cmformatdescription/mediasubtype-swift.struct/prores4444.md)
- [proRes4444XQ](coremedia/cmformatdescription/mediasubtype-swift.struct/prores4444xq.md)
- [proResRAW](coremedia/cmformatdescription/mediasubtype-swift.struct/proresraw.md)
- [proResRAWHQ](coremedia/cmformatdescription/mediasubtype-swift.struct/proresrawhq.md)
- [qDesign](coremedia/cmformatdescription/mediasubtype-swift.struct/qdesign.md)
- [qDesign2](coremedia/cmformatdescription/mediasubtype-swift.struct/qdesign2.md)
- [qt](coremedia/cmformatdescription/mediasubtype-swift.struct/qt.md)
- [qualcomm](coremedia/cmformatdescription/mediasubtype-swift.struct/qualcomm.md)
- [sorensonVideo](coremedia/cmformatdescription/mediasubtype-swift.struct/sorensonvideo.md)
- [sorensonVideo3](coremedia/cmformatdescription/mediasubtype-swift.struct/sorensonvideo3.md)
- [timeCode](coremedia/cmformatdescription/mediasubtype-swift.struct/timecode.md)
- [timeCode32](coremedia/cmformatdescription/mediasubtype-swift.struct/timecode32.md)
- [timeCode64](coremedia/cmformatdescription/mediasubtype-swift.struct/timecode64.md)
- [uLaw](coremedia/cmformatdescription/mediasubtype-swift.struct/ulaw.md)
- [webVTT](coremedia/cmformatdescription/mediasubtype-swift.struct/webvtt.md)
- [embeddedDeviceScreenRecording](coremedia/cmformatdescription/mediasubtype-swift.struct/embeddeddevicescreenrecording.md)
- [tbgr](coremedia/cmformatdescription/mediasubtype-swift.struct/tbgr.md)

## Relationships

### Conforms To

- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [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.TimeCode](coremedia/cmformatdescription/timecode.md)
- [CMFormatDescription.EqualityMask](coremedia/cmformatdescription/equalitymask.md)
- [CMFormatDescription.Extensions](coremedia/cmformatdescription/extensions-swift.struct.md)
- [CMFormatDescription.ParameterSetCollection](coremedia/cmformatdescription/parametersetcollection.md)