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AVFoundationMBS.AVMetadataQuickTimeUserDataKeyProduct as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeyPublisher as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeySoftware as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeySpecialPlaybackRequirements as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeyTaggedCharacteristic as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeyTrack as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeyTrackName as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeyURLLink as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeyWarning as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVMetadataQuickTimeUserDataKeyWriter as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the possible metadata keys for QuickTime UserData.

AVFoundationMBS.AVNumberOfChannelsKey as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the Audio setting keys that apply to all audio formats handled by the AVAudioPlayer and AVAudioRecorder classes.

The number of channels expressed as an integer value.

Some examples using this method:

AVFoundationMBS.AVPlayerItemDidPlayToEndTimeNotification as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
Posted when the item has played to its end time.

The notification's object is the item that finished playing.

AVFoundationMBS.AVPlayerItemFailedToPlayToEndTimeErrorKey as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
Key to retrieve information from a notification's user info dictionary.

The key to retrieve an error object (NSError) from the user info dictionary of an AVPlayerItemTimeJumpedNotification notification.

AVFoundationMBS.AVPlayerItemFailedToPlayToEndTimeNotification as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
Posted when the item failed to play to its end time.

The notification's object is the item that finished playing.
The user info dictionary contains an error object that describes the problem—seeAVPlayerItemFailedToPlayToEndTimeErrorKey.

AVFoundationMBS.AVPlayerItemNewAccessLogEntryNotification as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
The notification name to use with NSNotificationObserverMBS class.

Posted when a new access log entry has been added.
The notification's object is the player item. The new log entry is accessible via accessLog.
Available on Mac OS X 10.9 or later.

AVFoundationMBS.AVPlayerItemNewErrorLogEntryNotification as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
The notification name to use with NSNotificationObserverMBS class.

Posted when a new error log entry has been added.
The notification's object is the player item. The new log entry is accessible via errorLog, respectively.
Available on Mac OS X 10.9 or later.

AVFoundationMBS.AVPlayerItemPlaybackStalledNotification as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
The notification name to use with NSNotificationObserverMBS class.

Posted when some media did not arrive in time to continue playback.
The notification's object is the AVPlayerItem instance whose playback was unable to continue because the necessary media isn't available yet, usually because it didn't arrive in a timely fashion from its source over a network. Playback will continue once a sufficient amount of media has subsequently been delivered.
Available on Mac OS X 10.9 or later.

AVFoundationMBS.AVPlayerItemTimeJumpedNotification as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
Posted when the item's current time has changed discontinuously.

The notification's object is the item.

AVFoundationMBS.AVSampleRateConverterAlgorithmKey as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
The algorithm for the rate conversion.

Can be AVSampleRateConverterAlgorithm_Mastering or AVSampleRateConverterAlgorithm_Normal.
Available in OS X v10.9 and later.

AVFoundationMBS.AVSampleRateConverterAlgorithm_Mastering as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the supported values for the AVEncoderBitRateStrategyKey encoder setting.

Available in OS X v10.9 and later.

AVFoundationMBS.AVSampleRateConverterAlgorithm_Normal as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the supported values for the AVEncoderBitRateStrategyKey encoder setting.

Available in OS X v10.9 and later.

AVFoundationMBS.AVSampleRateConverterAudioQualityKey as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
Sample rate converter audio quality settings.

Value is an integer value. See AVAudioQuality* constants.

AVFoundationMBS.AVSampleRateKey as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
One of the Audio setting keys that apply to all audio formats handled by the AVAudioPlayer and AVAudioRecorder classes.

A sample rate, in hertz, expressed as an floating point value.

Some examples using this method:

AVFoundationMBS.AVStreamingKeyDeliveryContentKeyType as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 21.2 ✅ Yes ❌ No ❌ No ✅ Yes All
A UTI for streaming key delivery content keys.

The value of this UTI is "com.apple.streamingkeydelivery.contentkey".

AVFoundationMBS.AVStreamingKeyDeliveryPersistentContentKeyType as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 21.2 ✅ Yes ❌ No ❌ No ✅ Yes All
A UTI for persistent streaming key delivery content keys

The value of this UTI is "com.apple.streamingkeydelivery.persistentcontentkey".

AVFoundationMBS.AVTrackAssociationTypeAudioFallback as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
Constants for identifying how other tracks are associated with a track.

An association from one audio track to another audio track. This constant indicates when one track contains the same content as another but in a more widely supported format. A player that does not support the format of the original track can use the "fallback" track instead.
For example, an asset may contain both stereo and a 5.1-channel audio tracks. In this case, marking the stereo track as the fallback for the 5.1-channel track would ensure that devices not capable of playing 5.1-channel audio can still play an equivalent track.
Available in OS X v10.9 and later.

AVFoundationMBS.AVTrackAssociationTypeChapterList as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
Constants for identifying how other tracks are associated with a track.

An association from a track to another track containing chapter information, which may be a text track, a video track, or a timed metadata track.
Available in OS X v10.9 and later.

AVFoundationMBS.AVTrackAssociationTypeForcedSubtitlesOnly as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
Constants for identifying how other tracks are associated with a track.

An association from one subtitle track, containing both forced and nonforced subtitles, to another subtitle track containing only forced subtitles for the same content.
Nonforced subtitles usually transcribe all "normal" dialogue in a media asset and are typically not presented by default. Forced subtitles are those that are essential for presentation even when normal subtitles are disabled (for example, when a character speaks in a language foreign to that of the audio track).
Available in OS X v10.9 and later.

AVFoundationMBS.AVTrackAssociationTypeSelectionFollower as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
Constants for identifying how other tracks are associated with a track.

An association from one track to another specifying that when the user selects the first track, the second should be considered an appropriate default selection.
For example, a follower for an audio track could be a subtitle track in the same language. When the user chooses a language for audio, the subtitle language "follows" the audio language selection.
Available in OS X v10.9 and later.

AVFoundationMBS.AVTrackAssociationTypeTimecode as string

Type Topic Plugin Version macOS Windows Linux iOS Targets
shared method AVFoundation MBS AVFoundation Plugin 14.0 ✅ Yes ❌ No ❌ No ✅ Yes All
Constants for identifying how other tracks are associated with a track.

An association from one track (of any type) to a timecode track containing timing information for the original track.
Available in OS X v10.9 and later.

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The items on this page are in the following plugins: MBS AVFoundation Plugin.


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