<!--
{
  "availability" : [
    "iOS: 11.0.0 -",
    "iPadOS: 11.0.0 -",
    "macCatalyst: 14.0.0 -",
    "macOS: 10.15.0 -",
    "tvOS: 17.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "AVFoundation",
  "identifier" : "/documentation/AVFoundation/AVCaptureOutput/DataDroppedReason/lateData",
  "metadataVersion" : "0.1.0",
  "role" : "Case",
  "symbol" : {
    "kind" : "Case",
    "modules" : [
      "AVFoundation"
    ],
    "preciseIdentifier" : "c:@E@AVCaptureOutputDataDroppedReason@AVCaptureOutputDataDroppedReasonLateData"
  },
  "title" : "AVCaptureOutput.DataDroppedReason.lateData"
}
-->

# AVCaptureOutput.DataDroppedReason.lateData

The system dropped data because you’ve configured capture output to drop data when delegate queue is in a blocked state, and there’s data to deliver.

```
case lateData
```

## Discussion

Use the [`alwaysDiscardsLateVideoFrames`](/documentation/AVFoundation/AVCaptureVideoDataOutput/alwaysDiscardsLateVideoFrames) property of [`AVCaptureVideoDataOutput`](/documentation/AVFoundation/AVCaptureVideoDataOutput) or the [`alwaysDiscardsLateDepthData`](/documentation/AVFoundation/AVCaptureDepthDataOutput/alwaysDiscardsLateDepthData) property of [`AVCaptureDepthDataOutput`](/documentation/AVFoundation/AVCaptureDepthDataOutput) to choose whether the capture output discards data.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)