---
title: byteSource
framework: MediaExtension
role: symbol
role_heading: Instance Property
platforms: [macOS 14.0+]
path: mediaextension/meestimatedsamplelocation/bytesource
---

# byteSource

The byte source to use to read the data for the sample.

## Declaration

```swift
var byteSource: MEByteSource { get }
```

## See Also

### Inspecting an estimated sample location

- [estimatedSampleLocation](mediaextension/meestimatedsamplelocation/estimatedsamplelocation.md)
- [refinementDataLocation](mediaextension/meestimatedsamplelocation/refinementdatalocation.md)