The current frame rate of the video track as it plays.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
If the media type of the
video, 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.
Configuring Track Properties
var isEnabled: Bool
A Boolean value that indicates whether the track is enabled for presentation during playback.