---
title: interleavingPeriod
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avmutablemovie/interleavingperiod
---

# interleavingPeriod

A time period indicating the duration for interleaving runs of samples for each track.

## Declaration

```swift
var interleavingPeriod: CMTime { get set }
```

## Discussion

Discussion Default value is 0.5 seconds.

## See Also

### Configuring a movie

- [isModified](avfoundation/avmutablemovie/ismodified.md)
- [timescale](avfoundation/avmutablemovie/timescale.md)
- [defaultMediaDataStorage](avfoundation/avmutablemovie/defaultmediadatastorage.md)