---
title: kCVOpenGLBufferPoolMinimumBufferCountKey
framework: Core Video
role: symbol
role_heading: Global Variable
platforms: [macOS 10.4+]
path: corevideo/kcvopenglbufferpoolminimumbuffercountkey
---

# kCVOpenGLBufferPoolMinimumBufferCountKey

The minimum number of buffers to be kept in the pool (type CFNumber).

## Declaration

```swift
let kCVOpenGLBufferPoolMinimumBufferCountKey: CFString
```

## See Also

### Constants

- [kCVOpenGLBufferPoolMaximumBufferAgeKey](corevideo/kcvopenglbufferpoolmaximumbufferagekey.md)