AVAssetMediaSelectionGroupsDidChange
A notification the system posts when an asset’s media selection groups change.
Declaration
static let AVAssetMediaSelectionGroupsDidChange: NSNotification.NameDiscussion
The system posts this notification only after the value of an asset’s availableMediaCharacteristicsWithMediaSelectionOptions property reaches a status of AVKeyValueStatus.loaded.
See Also
AVFoundation
AVAssetChapterMetadataGroupsDidChangeAVAssetContainsFragmentsDidChangeAVAssetDurationDidChangeAVAssetTrackSegmentsDidChangeAVAssetTrackTimeRangeDidChangeAVAssetTrackTrackAssociationsDidChangeAVAssetWasDefragmentedsubjectAreaDidChangeNotificationwasConnectedNotificationwasDisconnectedNotificationformatDescriptionDidChangeNotificationdidStartRunningNotificationdidStopRunningNotificationinterruptionEndedNotificationruntimeErrorNotification