---
title: MTLIOCompressionMethod.lz4
framework: metal
role: symbol
role_heading: Case
path: metal/mtliocompressionmethod/lz4
---

# MTLIOCompressionMethod.lz4

Indicates that a file uses the LZ4 compression algorithm codec.

## Declaration

```swift
case lz4
```

## Discussion

Discussion For more information on the LZ4 codec, see: Algorithm.lz4 COMPRESSION_LZ4

## See Also

### Compression codecs

- [MTLIOCompressionMethod.zlib](metal/mtliocompressionmethod/zlib.md)
- [MTLIOCompressionMethod.lzfse](metal/mtliocompressionmethod/lzfse.md)
- [MTLIOCompressionMethod.lzma](metal/mtliocompressionmethod/lzma.md)
- [MTLIOCompressionMethod.lzBitmap](metal/mtliocompressionmethod/lzbitmap.md)