---
title: CMFormatDescription.Extensions.Value
framework: coremedia
role: symbol
role_heading: Structure
path: coremedia/cmformatdescription/extensions-swift.struct/value
---

# CMFormatDescription.Extensions.Value

## Declaration

```swift
struct Value
```

## Topics

### Extension Values

- [alphaChannelMode(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/alphachannelmode(_:).md)
- [chromaLocation(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/chromalocation(_:).md)
- [cleanAperture(width:height:horizontalOffet:verticalOffset:)](coremedia/cmformatdescription/extensions-swift.struct/value/cleanaperture(width:height:horizontaloffet:verticaloffset:)-4b52p.md)
- [cleanAperture(width:height:horizontalOffet:verticalOffset:)](coremedia/cmformatdescription/extensions-swift.struct/value/cleanaperture(width:height:horizontaloffet:verticaloffset:)-2r4iq.md)
- [colorPrimaries(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/colorprimaries(_:).md)
- [data(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/data(_:).md)
- [fieldDetail(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/fielddetail(_:).md)
- [fontTable(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/fonttable(_:).md)
- [mobile3GPPTextColor(red:green:blue:alpha:)](coremedia/cmformatdescription/extensions-swift.struct/value/mobile3gpptextcolor(red:green:blue:alpha:).md)
- [mobile3GPPTextDefaultStyle(startChar:endChar:localFontID:fontFace:fontSize:foregroundColor:)](coremedia/cmformatdescription/extensions-swift.struct/value/mobile3gpptextdefaultstyle(startchar:endchar:localfontid:fontface:fontsize:foregroundcolor:).md)
- [mpeg2VideoProfile(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/mpeg2videoprofile(_:).md)
- [number(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/number(_:).md)
- [pixelAspectRatio(horizontalSpacing:verticalSpacing:)](coremedia/cmformatdescription/extensions-swift.struct/value/pixelaspectratio(horizontalspacing:verticalspacing:).md)
- [qtTextColor(red:green:blue:alpha:)](coremedia/cmformatdescription/extensions-swift.struct/value/qttextcolor(red:green:blue:alpha:).md)
- [qtTextDefaultStyle(startChar:height:ascent:localFontID:fontFace:fontSize:foregroundColor:defaultFontName:)](coremedia/cmformatdescription/extensions-swift.struct/value/qttextdefaultstyle(startchar:height:ascent:localfontid:fontface:fontsize:foregroundcolor:defaultfontname:).md)
- [sourceReferenceName(value:langCode:)](coremedia/cmformatdescription/extensions-swift.struct/value/sourcereferencename(value:langcode:).md)
- [string(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/string(_:)-52jj4.md)
- [string(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/string(_:)-6y3ip.md)
- [textDisplayFlags(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/textdisplayflags(_:).md)
- [textJustification(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/textjustification(_:).md)
- [textRect(top:left:bottom:right:)](coremedia/cmformatdescription/extensions-swift.struct/value/textrect(top:left:bottom:right:).md)
- [transferFunction(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction(_:).md)
- [vendor(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/vendor(_:)-1uvag.md)
- [vendor(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/vendor(_:)-5y6sw.md)
- [yCbCrMatrix(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/ycbcrmatrix(_:).md)

### Inspecting Extension Values

- [propertyListRepresentation](coremedia/cmformatdescription/extensions-swift.struct/value/propertylistrepresentation.md)

### Comparing Extension Values

- [==(_:_:)](coremedia/cmformatdescription/==(_:_:).md)

### Creating Extension Values

- [init(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/init(_:).md)

### Constants

- [CMFormatDescription.Extensions.Value.AlphaChannelMode](coremedia/cmformatdescription/extensions-swift.struct/value/alphachannelmode.md)
- [CMFormatDescription.Extensions.Value.ChromaLocation](coremedia/cmformatdescription/extensions-swift.struct/value/chromalocation.md)
- [CMFormatDescription.Extensions.Value.ColorPrimaries](coremedia/cmformatdescription/extensions-swift.struct/value/colorprimaries.md)
- [CMFormatDescription.Extensions.Value.FieldDetail](coremedia/cmformatdescription/extensions-swift.struct/value/fielddetail.md)
- [CMFormatDescription.Extensions.Value.FontFace](coremedia/cmformatdescription/extensions-swift.struct/value/fontface.md)
- [CMFormatDescription.Extensions.Value.MPEG2VideoProfile](coremedia/cmformatdescription/extensions-swift.struct/value/mpeg2videoprofile.md)
- [CMFormatDescription.Extensions.Value.TextDisplayFlags](coremedia/cmformatdescription/extensions-swift.struct/value/textdisplayflags.md)
- [CMFormatDescription.Extensions.Value.TextJustification](coremedia/cmformatdescription/extensions-swift.struct/value/textjustification.md)
- [CMFormatDescription.Extensions.Value.TransferFunction](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction.md)
- [CMFormatDescription.Extensions.Value.Vendor](coremedia/cmformatdescription/extensions-swift.struct/value/vendor.md)
- [CMFormatDescription.Extensions.Value.YCbCrMatrix](coremedia/cmformatdescription/extensions-swift.struct/value/ycbcrmatrix.md)

### Structures

- [CMFormatDescription.Extensions.Value.ContentColorVolume](coremedia/cmformatdescription/extensions-swift.struct/value/contentcolorvolume.md)
- [CMFormatDescription.Extensions.Value.HeroEye](coremedia/cmformatdescription/extensions-swift.struct/value/heroeye.md)
- [CMFormatDescription.Extensions.Value.LogTransferFunction](coremedia/cmformatdescription/extensions-swift.struct/value/logtransferfunction.md)
- [CMFormatDescription.Extensions.Value.ProjectionKind](coremedia/cmformatdescription/extensions-swift.struct/value/projectionkind.md)
- [CMFormatDescription.Extensions.Value.ViewPackingKind](coremedia/cmformatdescription/extensions-swift.struct/value/viewpackingkind.md)

### Type Methods

- [cameraCalibrationDataLensCollection(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/cameracalibrationdatalenscollection(_:).md)
- [heroEye(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/heroeye(_:).md)
- [logTransferFunction(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/logtransferfunction(_:).md)
- [projectionKind(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/projectionkind(_:).md)
- [viewPackingKind(_:)](coremedia/cmformatdescription/extensions-swift.struct/value/viewpackingkind(_:).md)

### Enumerations

- [CMFormatDescription.Extensions.Value.CameraCalibrationDataLensCollection](coremedia/cmformatdescription/extensions-swift.struct/value/cameracalibrationdatalenscollection.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Constants

- [CMFormatDescription.Extensions.Key](coremedia/cmformatdescription/extensions-swift.struct/key.md)