---
title: "init(allocate:deallocate:)"
framework: coremedia
role: symbol
role_heading: Initializer
path: "coremedia/cmmutabledatablockbuffer/blocksource/init(allocate:deallocate:)"
---

# init(allocate:deallocate:)

## Declaration

```swift
init(allocate: @escaping @Sendable (Int) -> UnsafeMutableRawBufferPointer, deallocate: @escaping @Sendable (UnsafeMutableRawBufferPointer) -> Void)
```