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AVMutableCompositionTrackMBS class

Super class: AVCompositionTrackMBS

Type Topic Plugin Version macOS Windows Linux iOS Targets
class AVFoundation MBS AVFoundation Plugin 13.2 ✅ Yes ❌ No ❌ No ✅ Yes All
AVMutableCompositionTrack is a mutable subclass of AVCompositionTrack that lets you for insert, remove, and scale track segments without affecting their low-level representation (that is, the operations you perform are non-destructive on the original).

AVCompositionTrack defines constraints for the temporal alignment of the track segments. If you set the array of track segments in a mutable composition (see trackSegments), you can test whether the segments meet the constraints using validateTrackSegments.
Subclass of the AVCompositionTrackMBS class.

Super class AVCompositionTrackMBS

Super class AVAssetTrackMBS

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.

This class has no sub classes.

Some methods using this class:

Some examples using this class:


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


AVMutableCompositionMBS   -   AVMutableMetadataItemMBS


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