---
title: AVSampleBufferDisplayLayerOutputObscuredDueToInsufficientExternalProtectionDidChange
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/nsnotification/name-swift.struct/avsamplebufferdisplaylayeroutputobscuredduetoinsufficientexternalprotectiondidchange
---

# AVSampleBufferDisplayLayerOutputObscuredDueToInsufficientExternalProtectionDidChange

A notification the system posts when the current device configuration doesn’t support the external content protection mechanism.

## Declaration

```swift
static let AVSampleBufferDisplayLayerOutputObscuredDueToInsufficientExternalProtectionDidChange: NSNotification.Name
```

## See Also

### AVFoundation

- [AVAssetChapterMetadataGroupsDidChange](foundation/nsnotification/name-swift.struct/avassetchaptermetadatagroupsdidchange.md)
- [AVAssetContainsFragmentsDidChange](foundation/nsnotification/name-swift.struct/avassetcontainsfragmentsdidchange.md)
- [AVAssetDurationDidChange](foundation/nsnotification/name-swift.struct/avassetdurationdidchange.md)
- [AVAssetMediaSelectionGroupsDidChange](foundation/nsnotification/name-swift.struct/avassetmediaselectiongroupsdidchange.md)
- [AVAssetTrackSegmentsDidChange](foundation/nsnotification/name-swift.struct/avassettracksegmentsdidchange.md)
- [AVAssetTrackTimeRangeDidChange](foundation/nsnotification/name-swift.struct/avassettracktimerangedidchange.md)
- [AVAssetTrackTrackAssociationsDidChange](foundation/nsnotification/name-swift.struct/avassettracktrackassociationsdidchange.md)
- [AVAssetWasDefragmented](foundation/nsnotification/name-swift.struct/avassetwasdefragmented.md)
- [subjectAreaDidChangeNotification](avfoundation/avcapturedevice/subjectareadidchangenotification.md)
- [wasConnectedNotification](avfoundation/avcapturedevice/wasconnectednotification.md)
- [wasDisconnectedNotification](avfoundation/avcapturedevice/wasdisconnectednotification.md)
- [formatDescriptionDidChangeNotification](avfoundation/avcaptureinput/port/formatdescriptiondidchangenotification.md)
- [didStartRunningNotification](avfoundation/avcapturesession/didstartrunningnotification.md)
- [didStopRunningNotification](avfoundation/avcapturesession/didstoprunningnotification.md)
- [interruptionEndedNotification](avfoundation/avcapturesession/interruptionendednotification.md)