---
title: streamMaxFrameDuration
framework: coremediaio
role: symbol
role_heading: Type Property
path: coremediaio/cmioextensionproperty/streammaxframeduration
---

# streamMaxFrameDuration

A property key for the maximum frame duration.

## Declaration

```swift
static let streamMaxFrameDuration: CMIOExtensionProperty
```

## Discussion

Discussion The property state for this property is a dictionary representation of a CMTime structure.

## See Also

### Stream Properties

- [streamActiveFormatIndex](coremediaio/cmioextensionproperty/streamactiveformatindex.md)
- [streamFrameDuration](coremediaio/cmioextensionproperty/streamframeduration.md)
- [streamSinkBufferQueueSize](coremediaio/cmioextensionproperty/streamsinkbufferqueuesize.md)
- [streamSinkBuffersRequiredForStartup](coremediaio/cmioextensionproperty/streamsinkbuffersrequiredforstartup.md)
- [streamSinkBufferUnderrunCount](coremediaio/cmioextensionproperty/streamsinkbufferunderruncount.md)
- [streamSinkEndOfData](coremediaio/cmioextensionproperty/streamsinkendofdata.md)