---
title: kVTCompressionPropertyKey_StereoCameraBaseline
framework: videotoolbox
role: symbol
role_heading: Global Variable
path: videotoolbox/kvtcompressionpropertykey_stereocamerabaseline
---

# kVTCompressionPropertyKey_StereoCameraBaseline

A value that specifies the distance between centers of the lenses of the camera system.

## Declaration

```swift
let kVTCompressionPropertyKey_StereoCameraBaseline: CFString
```

## Discussion

Discussion This property sets a value for the kCMFormatDescriptionExtension_StereoCameraBaseline format description on the output samples. The value is an unsigned 32-bit integer in micrometers, or thousandths of a millimeter (for example 63123 micrometers is 63.123 millimeters). This property is optional. Only specify a value if you know the specific distance.

## See Also

### Video Extended Usage (VEXU) Signaling

- [kVTCompressionPropertyKey_HasLeftStereoEyeView](videotoolbox/kvtcompressionpropertykey_hasleftstereoeyeview.md)
- [kVTCompressionPropertyKey_HasRightStereoEyeView](videotoolbox/kvtcompressionpropertykey_hasrightstereoeyeview.md)
- [kVTCompressionPropertyKey_HeroEye](videotoolbox/kvtcompressionpropertykey_heroeye.md)
- [kVTCompressionPropertyKey_HorizontalDisparityAdjustment](videotoolbox/kvtcompressionpropertykey_horizontaldisparityadjustment.md)
- [kVTCompressionPropertyKey_HorizontalFieldOfView](videotoolbox/kvtcompressionpropertykey_horizontalfieldofview.md)
- [kVTCompressionPropertyKey_ProjectionKind](videotoolbox/kvtcompressionpropertykey_projectionkind.md)
- [kVTCompressionPropertyKey_ViewPackingKind](videotoolbox/kvtcompressionpropertykey_viewpackingkind.md)