AVAssetTrackMBS class

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New in Version 22.2 22.3 22.4 22.5 23.0 23.1 23.2 23.3 23.4 23.5 24.0 24.1

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AVAssetTrackMBS class

Type Topic Plugin Version macOS Windows Linux iOS Targets
class AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
An AVAssetTrack object provides provides the track-level inspection interface for all assets.

AVAssetTrack adopts the AVAsynchronousKeyValueLoading protocol. You should use methods in the protocol to access a track's properties without blocking the current thread. To cancel load requests for all keys of AVAssetTrack you must message the parent AVAsset object (for example, [track.asset cancelLoading]).
This is an abstract class. You can't create an instance, but you can get one from various plugin functions.

Load Status Constants

Constant Value Description
AVKeyValueStatusCancelled 4 Indicates that the attempt to load the property was cancelled.
AVKeyValueStatusFailed 3 Indicates that the attempt to load the property failed.
AVKeyValueStatusLoaded 2 Indicates that the property is ready for use.
AVKeyValueStatusLoading 1 Indicates that the property is not fully loaded.
AVKeyValueStatusUnknown 0 Indicates that the property status is unknown.

Sub classes:

Some methods using this class:

Some properties using for this class:

Some examples using this class:

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


AVAssetTrackGroupMBS   -   AVAssetTrackSegmentMBS


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