AVPlayerItemTrackMBS.assetTrack as AVAssetTrackMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

The asset track for which the player item represents presentation state. (read-only)

(Read only property)

AVPlayerItemTrackMBS.currentVideoFrameRate as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	AVFoundation	MBS AVFoundation Plugin	14.0	✅ Yes	❌ No	❌ No	✅ Yes	All

For video media types, indicates the current frame rate of the track as it plays. (read-only)

If the media type of the assetTrack is AVMediaTypeVideo, the property indicates the current frame rate of the track as it plays, in units of frames per second.

If the item is not playing, or if the media type of the track is not video, the value of this property is 0.0.

This property is not key-value observable.
Available in OS X v10.9 and later.
(Read only property)

AVPlayerItemTrackMBS.Enabled as Boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Indicates whether the track is enabled for presentation during playback.

(Read and Write property)

AVPlayerItemTrackMBS.Handle as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

The internal object reference.

(Read and Write property)