<!--
{
  "availability" : [
    "iOS: 26.0.0 -",
    "iPadOS: 26.0.0 -",
    "macCatalyst: 26.0.0 -",
    "macOS: 15.4.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "VideoToolbox",
  "identifier" : "/documentation/VideoToolbox/VTOpticalFlowConfiguration/init(frameWidth:frameHeight:qualityPrioritization:revision:)",
  "metadataVersion" : "0.1.0",
  "role" : "Initializer",
  "symbol" : {
    "kind" : "Initializer",
    "modules" : [
      "Video Toolbox"
    ],
    "preciseIdentifier" : "c:objc(cs)VTOpticalFlowConfiguration(im)initWithFrameWidth:frameHeight:qualityPrioritization:revision:"
  },
  "title" : "init(frameWidth:frameHeight:qualityPrioritization:revision:)"
}
-->

# init(frameWidth:frameHeight:qualityPrioritization:revision:)

```
init?(frameWidth: Int, frameHeight: Int, qualityPrioritization: VTOpticalFlowConfiguration.QualityPrioritization, revision: VTOpticalFlowConfiguration.Revision)
```

## Parameters

`frameWidth`

The width of source frame in pixels. The maximum value is 8192 pixels for macOS, and 4096 pixels for iOS.

`frameHeight`

The height of source frame in pixels. The maximum value is 4320 pixels for macOS, and 2160 pixels for iOS.

`qualityPrioritization`

Instance to control quality and performance levels. See VEFrameRateConversionConfigurationQualityPrioritization for more information.

`revision`

The specific algorithm or configuration revision that is to be used to perform the request.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)