---
title: AudioQueueProcessingTapCallback
framework: audiotoolbox
role: symbol
role_heading: Type Alias
path: audiotoolbox/audioqueueprocessingtapcallback
---

# AudioQueueProcessingTapCallback

## Declaration

```swift
typealias AudioQueueProcessingTapCallback = (UnsafeMutableRawPointer, AudioQueueProcessingTapRef, UInt32, UnsafeMutablePointer<AudioTimeStamp>, UnsafeMutablePointer<AudioQueueProcessingTapFlags>, UnsafeMutablePointer<UInt32>, UnsafeMutablePointer<AudioBufferList>) -> Void
```

## See Also

### Data Types

- [AudioQueueChannelAssignment](audiotoolbox/audioqueuechannelassignment.md)
- [AudioQueueProcessingTapFlags](audiotoolbox/audioqueueprocessingtapflags.md)
- [AudioQueueBuffer](audiotoolbox/audioqueuebuffer.md)
- [AudioQueueBufferRef](audiotoolbox/audioqueuebufferref.md)
- [AudioQueueLevelMeterState](audiotoolbox/audioqueuelevelmeterstate.md)
- [AudioQueueParameterEvent](audiotoolbox/audioqueueparameterevent.md)
- [AudioQueueParameterID](audiotoolbox/audioqueueparameterid.md)
- [AudioQueueParameterValue](audiotoolbox/audioqueueparametervalue.md)
- [AudioQueueProcessingTapRef](audiotoolbox/audioqueueprocessingtapref.md)