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# AVCaptureTimecodeGeneratorDelegate

A protocol for receiving real-time timecode updates and error notifications from a timecode generator.

```
protocol AVCaptureTimecodeGeneratorDelegate : NSObjectProtocol
```

## Topics

### Responding to timecode events

[`timecodeGenerator(_:didReceiveUpdate:from:)`](/documentation/AVFoundation/AVCaptureTimecodeGeneratorDelegate/timecodeGenerator(_:didReceiveUpdate:from:))

Notifies the delegate when new, unaligned timecodes are parsed from the specified source.

[`timecodeGenerator(_:didUpdateAvailableSources:)`](/documentation/AVFoundation/AVCaptureTimecodeGeneratorDelegate/timecodeGenerator(_:didUpdateAvailableSources:))

Notifies the delegate when the list of available timecode synchronization sources is updated.

[`timecodeGenerator(_:transitionedTo:for:)`](/documentation/AVFoundation/AVCaptureTimecodeGeneratorDelegate/timecodeGenerator(_:transitionedTo:for:))

Notifies the delegate when the synchronization status of a timecode source changes.

[`AVCaptureTimecodeGenerator.SynchronizationStatus`](/documentation/AVFoundation/AVCaptureTimecodeGenerator/SynchronizationStatus)

Constants defining the synchronization status of a timecode generator .



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