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