---
title: "init(sourceFrame:previousFrame:interpolationPhase:destinationFrames:)"
framework: videotoolbox
role: symbol
role_heading: Initializer
path: "videotoolbox/vtlowlatencyframeinterpolationparameters/init(sourceframe:previousframe:interpolationphase:destinationframes:)"
---

# init(sourceFrame:previousFrame:interpolationPhase:destinationFrames:)

## Declaration

```swift
convenience init?(sourceFrame: VTFrameProcessorFrame, previousFrame: VTFrameProcessorFrame, interpolationPhase: [Float], destinationFrames: [VTFrameProcessorFrame])
```