---
title: kVTCompressionPropertyKey_BaseLayerFrameRate
framework: videotoolbox
role: symbol
role_heading: Global Variable
path: videotoolbox/kvtcompressionpropertykey_baselayerframerate
---

# kVTCompressionPropertyKey_BaseLayerFrameRate

## Declaration

```swift
let kVTCompressionPropertyKey_BaseLayerFrameRate: CFString
```

## See Also

### Temporal Scalability

- [kVTCompressionPropertyKey_BaseLayerBitRateFraction](videotoolbox/kvtcompressionpropertykey_baselayerbitratefraction.md)
- [kVTCompressionPropertyKey_BaseLayerFrameRateFraction](videotoolbox/kvtcompressionpropertykey_baselayerframeratefraction.md)