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AVMutableCompositionTrackMBS class

Super class: AVCompositionTrackMBS

Type Topic Plugin Version macOS Windows Linux Console & Web iOS
class AVFoundation MBS AVFoundation Plugin 13.2 Yes No No Yes, macOS only No
Function: 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).
Notes:
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.

Feedback, Comments & Corrections

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 which use this class:


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


AVMutableCompositionMBS   -   AVMutableMetadataItemMBS




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