tracks(withMediaCharacteristic:)
Retrieve tracks in the movie that present media of the specified characteristic.
Declaration
func tracks(withMediaCharacteristic mediaCharacteristic: AVMediaCharacteristic) -> [AVMutableMovieTrack]Parameters
- mediaCharacteristic:
The media characteristic of the tracks to return.
Return Value
An array of tracks, which is empty if there are no tracks with the media characteristic.
Discussion
Apple discourages using this method in iOS 15, tvOS 15, macOS 12, and watchOS 8 or later. Load tracks asynchronously using loadTracks(withMediaCharacteristic:completionHandler:) instead.