---
title: "init(mNumberPackets:mNumberValidFrames:mPrimingFrames:mRemainderFrames:mPacketDescriptions:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/cafpackettableheader/init(mnumberpackets:mnumbervalidframes:mprimingframes:mremainderframes:mpacketdescriptions:)"
---

# init(mNumberPackets:mNumberValidFrames:mPrimingFrames:mRemainderFrames:mPacketDescriptions:)

## Declaration

```swift
init(mNumberPackets: Int64, mNumberValidFrames: Int64, mPrimingFrames: Int32, mRemainderFrames: Int32, mPacketDescriptions: UInt8)
```