tracks(withMediaCharacteristic:)
Returns tracks that contain media of a specified characteristic.
Declaration
func tracks(withMediaCharacteristic mediaCharacteristic: AVMediaCharacteristic) -> [AVMutableCompositionTrack]Parameters
- mediaCharacteristic:
The media characteristic of the tracks to return.
Return Value
An array of composition tracks, which is empty if there are no matching tracks.
Discussion
Apple discourages using this method. Load tracks asynchronously using loadTracks(withMediaCharacteristic:completionHandler:) instead.