toJson method
转换为可用于播放器的配置映射
Convert to a configuration map that can be used by the player
Implementation
@override
Map<String, dynamic> toJson() {
return {
'sourceType': sourceType.toString(),
'vid': vid,
'accessKeyId': accessKeyId,
'accessKeySecret': accessKeySecret,
'securityToken': securityToken,
'region': region,
};
}