Fmp4Config.fromJson constructor
      
      Fmp4Config.fromJson(
    
    
- Map json_
Implementation
Fmp4Config.fromJson(core.Map json_)
  : this(codecTag: json_['codecTag'] as core.String?);Fmp4Config.fromJson(core.Map json_)
  : this(codecTag: json_['codecTag'] as core.String?);