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

# MESampleCursorChunk

An object that provides information about the chunk of media at the location of a sample.

## Declaration

```swift
class MESampleCursorChunk
```

## Overview

Overview The chunkDetails() method returns an instance of this class.

## Topics

### Creating a sample cursor chunk

- [init(byteSource:chunkStorageRange:chunkInfo:sampleIndexWithinChunk:)](mediaextension/mesamplecursorchunk/init(bytesource:chunkstoragerange:chunkinfo:sampleindexwithinchunk:).md)

### Inspecting a chunk

- [byteSource](mediaextension/mesamplecursorchunk/bytesource.md)
- [chunkStorageRange](mediaextension/mesamplecursorchunk/chunkstoragerange.md)
- [chunkInfo](mediaextension/mesamplecursorchunk/chunkinfo.md)
- [sampleIndexWithinChunk](mediaextension/mesamplecursorchunk/sampleindexwithinchunk.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

### Sample cursors

- [MESampleCursor](mediaextension/mesamplecursor.md)
- [MESampleLocation](mediaextension/mesamplelocation.md)
- [MEEstimatedSampleLocation](mediaextension/meestimatedsamplelocation.md)
- [MEHEVCDependencyInfo](mediaextension/mehevcdependencyinfo.md)