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

Creates a new frame rate conversion configuration with specified flow width and height.

```
init?(frameWidth: Int, frameHeight: Int, usePrecomputedFlow: Bool, qualityPrioritization: VTFrameRateConversionConfiguration.QualityPrioritization, revision: VTFrameRateConversionConfiguration.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.

`usePrecomputedFlow`

If true the optical flow will be provided by the user, else this configuration will compute the optical flow on the fly.

`qualityPrioritization`

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

`revision`

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

## Discussion

Initialization fails if the dimensions are out of range or if the revision is unsupported.

---

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