getSpuTracksCount method
Return the number of subtitle tracks (both embedded and inserted)
Implementation
Future<int?> getSpuTracksCount() async {
_throwIfNotInitialized('getSpuTracksCount');
var spuTracksCount = await vlcPlayerPlatform.getSpuTracksCount(_viewId);
value = value.copyWith(spuTracksCount: spuTracksCount);
return spuTracksCount;
}