---
title: "init(buffer:presentationTimeStamp:)"
framework: videotoolbox
role: symbol
role_heading: Initializer
path: "videotoolbox/vtframeprocessorframe/init(buffer:presentationtimestamp:)"
---

# init(buffer:presentationTimeStamp:)

Creates a frame object with a pixel buffer and presentation time.

## Declaration

```swift
init?(buffer: CVPixelBuffer, presentationTimeStamp: CMTime)
```

## Parameters

- `buffer`: A pixel buffer for the frame. This value must be non-NULL and IOSurface backed.
- `presentationTimeStamp`: The presentation timestamp of the buffer.

## Discussion

Discussion Initialization fails if you specify a NULL buffer or one that isn’t backed by an IOSurface.