Waveform.fromMap constructor
Implementation
factory Waveform.fromMap(Map<String, dynamic> map) {
return Waveform(
waveformData: List<int>.from(map["amplitudesData"] ?? <int>[]),
amplitudesForFirstSecond:
List<int>.from(map["amplitudesForFirstSecond"] ?? <int>[]),
duration: Duration(milliseconds: map["duration"] as int? ?? 0),
source: map["source"] as String? ?? '',
);
}