---
title: METrackInfo
framework: MediaExtension
role: symbol
role_heading: Class
platforms: [macOS 14.0+]
path: mediaextension/metrackinfo
---

# METrackInfo

An object that includes track properties parsed from the media asset.

## Declaration

```swift
class METrackInfo
```

## Topics

### Inspecting track information

- [mediaType](mediaextension/metrackinfo/mediatype.md)
- [trackID](mediaextension/metrackinfo/trackid.md)
- [isEnabled](mediaextension/metrackinfo/isenabled.md)
- [naturalTimescale](mediaextension/metrackinfo/naturaltimescale.md)
- [extendedLanguageTag](mediaextension/metrackinfo/extendedlanguagetag.md)
- [naturalSize](mediaextension/metrackinfo/naturalsize.md)
- [preferredTransform](mediaextension/metrackinfo/preferredtransform.md)
- [nominalFrameRate](mediaextension/metrackinfo/nominalframerate.md)
- [requiresFrameReordering](mediaextension/metrackinfo/requiresframereordering.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Track readers

- [METrackReader](mediaextension/metrackreader.md)