getDuration method
Returns maximum duration for DurationType.max and current duration for DurationType.current for playing media. The duration is in milliseconds, if no duration is available -1 is returned.
Default to Duration.max.
Implementation
Future<int> getDuration([DurationType? durationType]) async {
final duration = await AudioWaveformsInterface.instance
.getDuration(playerKey, durationType?.index ?? 1);
return duration ?? -1;
}