---
title: manualRenderingMaximumFrameCount
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudioengine/manualrenderingmaximumframecount
---

# manualRenderingMaximumFrameCount

The maximum number of PCM sample frames the engine produces in any single render call in manual rendering mode.

## Declaration

```swift
var manualRenderingMaximumFrameCount: AVAudioFrameCount { get }
```

## Discussion

Discussion If you get this property when the engine isn’t in manual rendering mode, it returns zero.

## See Also

### Getting Manual Rendering Properties

- [AVAudioEngineManualRenderingBlock](avfaudio/avaudioenginemanualrenderingblock.md)
- [manualRenderingBlock](avfaudio/avaudioengine/manualrenderingblock.md)
- [manualRenderingFormat](avfaudio/avaudioengine/manualrenderingformat.md)
- [manualRenderingMode](avfaudio/avaudioengine/manualrenderingmode.md)
- [manualRenderingSampleTime](avfaudio/avaudioengine/manualrenderingsampletime.md)
- [isAutoShutdownEnabled](avfaudio/avaudioengine/isautoshutdownenabled.md)
- [isInManualRenderingMode](avfaudio/avaudioengine/isinmanualrenderingmode.md)