---
title: AVVideoMaxKeyFrameIntervalKey
framework: avfoundation
role: symbol
role_heading: Global Variable
path: avfoundation/avvideomaxkeyframeintervalkey
---

# AVVideoMaxKeyFrameIntervalKey

A key to access the maximum interval between keyframes.

## Declaration

```swift
let AVVideoMaxKeyFrameIntervalKey: String
```

## Discussion

Discussion The value for this key is an instance of NSNumber. A value of 1 signifies keyframes only.

## See Also

### Compression

- [AVVideoCompressionPropertiesKey](avfoundation/avvideocompressionpropertieskey.md)
- [AVVideoDecompressionPropertiesKey](avfoundation/avvideodecompressionpropertieskey.md)
- [AVVideoAverageBitRateKey](avfoundation/avvideoaveragebitratekey.md)
- [AVVideoQualityKey](avfoundation/avvideoqualitykey.md)
- [AVVideoMaxKeyFrameIntervalDurationKey](avfoundation/avvideomaxkeyframeintervaldurationkey.md)
- [AVVideoAllowFrameReorderingKey](avfoundation/avvideoallowframereorderingkey.md)
- [AVVideoAppleProRAWBitDepthKey](avfoundation/avvideoappleprorawbitdepthkey.md)