---
title: kMTAudioProcessingTapFlag_StartOfStream
framework: mediatoolbox
role: symbol
role_heading: Global Variable
path: mediatoolbox/kmtaudioprocessingtapflag_startofstream
---

# kMTAudioProcessingTapFlag_StartOfStream

Signifies that the source audio is the beginning of a continuous stream.

## Declaration

```swift
var kMTAudioProcessingTapFlag_StartOfStream: MTAudioProcessingTapFlags { get }
```

## Discussion

Discussion Returned from MTAudioProcessingTapGetSourceAudio(_:_:_:_:_:_:).

## See Also

### Flags

- [kMTAudioProcessingTapFlag_EndOfStream](mediatoolbox/kmtaudioprocessingtapflag_endofstream.md)