getSpuTrack method
Returns active spu track index
Implementation
Future<int?> getSpuTrack() async {
_throwIfNotInitialized('getSpuTrack');
var activeSpuTrack = await vlcPlayerPlatform.getSpuTrack(_viewId);
value = value.copyWith(activeSpuTrack: activeSpuTrack);
return activeSpuTrack;
}