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# init(videoTracks:videoSettings:)

Creates an object that reads composited video frames from the specified video tracks.

```
init(videoTracks: [AVAssetTrack], videoSettings: [String : Any]?)
```

## Parameters

`videoTracks`

An array of asset tracks from which to read video frames for compositing. The media type of each track must be [`video`](/documentation/AVFoundation/AVMediaType/video).

`videoSettings`

Specifying a `nil` value configures the output to return samples in an uncompressed format.

## Discussion

---

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