Initializes an audio player for playing the specified simple audio source.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
An audio source object.
A positional audio player object.
Using this initializer is typically not necessary. Instead, call the
audio method, which returns a cached audio player object if one for the specified audio source has already been created and is available for use.