AVAssetDurationDidChange
A notification the system posts when a fragmented asset minder observes a change to a fragmented asset’s duration.
Declaration
static let AVAssetDurationDidChange: NSNotification.NameDiscussion
The system posts this notification only for changes that occur after an asset’s duration property reaches a AVKeyValueStatus.loaded status.
See Also
AVFoundation
AVAssetChapterMetadataGroupsDidChangeAVAssetContainsFragmentsDidChangeAVAssetMediaSelectionGroupsDidChangeAVAssetTrackSegmentsDidChangeAVAssetTrackTimeRangeDidChangeAVAssetTrackTrackAssociationsDidChangeAVAssetWasDefragmentedsubjectAreaDidChangeNotificationwasConnectedNotificationwasDisconnectedNotificationformatDescriptionDidChangeNotificationdidStartRunningNotificationdidStopRunningNotificationinterruptionEndedNotificationruntimeErrorNotification