tracks(withMediaCharacteristic:)
Returns tracks that contain media of a specified characteristic.
Declaration
func tracks(withMediaCharacteristic mediaCharacteristic: AVMediaCharacteristic) -> [AVCompositionTrack]Parameters
- mediaCharacteristic:
The media characteristic of the tracks to return.
Return Value
An array of tracks, which is empty if no tracks with the media characteristic exist.
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.