method load

Source

static Future<SoundSprite> load(
    String url, [SoundLoadOptions soundLoadOptions]) async {

  SoundSprite soundSprite = new SoundSprite();

  var soundSpriteJson = await HttpRequest.getString(url);
  var data = JSON.decode(soundSpriteJson);
  var urls = data['urls'] as List;
  var segments = data["sprite"];
  var soundUrls = new List<String>();

  if (segments is Map) {
    for (String segment in segments.keys) {
      var segmentList = segments[segment] as List;
      var startTime = ensureNum(segmentList[0]);
      var duration = ensureNum(segmentList[1]);
      var loop = ensureBool(segmentList.length > 2 && segmentList[2]);
      var sss = new SoundSpriteSegment(soundSprite, segment, startTime, duration, loop);
      soundSprite._segments.add(sss);
    }
  }

  soundUrls.addAll(urls.map((String u) => replaceFilename(url, u)));
  soundLoadOptions = (soundLoadOptions ?? Sound.defaultLoadOptions).clone();
  soundLoadOptions.alternativeUrls = soundUrls.skip(1).toList();
  soundSprite._sound = await Sound.load(soundUrls[0], soundLoadOptions);
  return soundSprite;
}