---
title: sourcePixelBufferAttributes
framework: videotoolbox
role: symbol
role_heading: Instance Property
path: videotoolbox/vtlowlatencyframeinterpolationconfiguration/sourcepixelbufferattributes
---

# sourcePixelBufferAttributes

Pixel buffer attributes dictionary that describes requirements for pixel buffers which represent source frames and reference frames.

## Declaration

```swift
var sourcePixelBufferAttributes: [String : any Sendable] { get }
```

## Discussion

Discussion Use CVPixelBufferCreateResolvedAttributesDictionary to combine this dictionary with your pixel buffer attributes dictionary.

## See Also

### Inspecting the configuration

- [frameWidth](videotoolbox/vtlowlatencyframeinterpolationconfiguration/framewidth.md)
- [frameHeight](videotoolbox/vtlowlatencyframeinterpolationconfiguration/frameheight.md)
- [numberOfInterpolatedFrames](videotoolbox/vtlowlatencyframeinterpolationconfiguration/numberofinterpolatedframes.md)
- [spatialScaleFactor](videotoolbox/vtlowlatencyframeinterpolationconfiguration/spatialscalefactor.md)
- [destinationPixelBufferAttributes](videotoolbox/vtlowlatencyframeinterpolationconfiguration/destinationpixelbufferattributes.md)
- [supportedPixelFormats](videotoolbox/vtlowlatencyframeinterpolationconfiguration/supportedpixelformats.md)