---
title: kVTPixelTransferPropertyKey_DownsamplingMode
framework: videotoolbox
role: symbol
role_heading: Global Variable
path: videotoolbox/kvtpixeltransferpropertykey_downsamplingmode
---

# kVTPixelTransferPropertyKey_DownsamplingMode

The specific chroma downsampling technique to be used.

## Declaration

```swift
let kVTPixelTransferPropertyKey_DownsamplingMode: CFString
```

## Discussion

Discussion This property is ignored if chroma downsampling is not performed.

## See Also

### Configuration

- [kVTPixelTransferPropertyKey_ScalingMode](videotoolbox/kvtpixeltransferpropertykey_scalingmode.md)
- [Scaling Mode Constants](videotoolbox/scaling-mode-constants.md)
- [kVTPixelTransferPropertyKey_DestinationCleanAperture](videotoolbox/kvtpixeltransferpropertykey_destinationcleanaperture.md)
- [kVTPixelTransferPropertyKey_DestinationPixelAspectRatio](videotoolbox/kvtpixeltransferpropertykey_destinationpixelaspectratio.md)
- [Downsampling Mode Constants](videotoolbox/downsampling-mode-constants.md)
- [kVTPixelTransferPropertyKey_DestinationColorPrimaries](videotoolbox/kvtpixeltransferpropertykey_destinationcolorprimaries.md)
- [kVTPixelTransferPropertyKey_DestinationTransferFunction](videotoolbox/kvtpixeltransferpropertykey_destinationtransferfunction.md)
- [kVTPixelTransferPropertyKey_DestinationICCProfile](videotoolbox/kvtpixeltransferpropertykey_destinationiccprofile.md)
- [kVTPixelTransferPropertyKey_DestinationYCbCrMatrix](videotoolbox/kvtpixeltransferpropertykey_destinationycbcrmatrix.md)
- [kVTPixelTransferPropertyKey_RealTime](videotoolbox/kvtpixeltransferpropertykey_realtime.md)