var player = new Clappr.Player({source: "https://hls.streambtw.com/live/stream_1.m3u8",
    plugins: [LevelSelector],
  levelSelectorConfig: {
    title: 'Quality',
    labels: {
        1: '5100kbps ', // 240kbps
        0: '1500kbps ', // 120kbps
    },
    labelCallback: function(playbackLevel, customLabel) {
        return customLabel + playbackLevel.level.height+'p'; // High 720p
    }
  }, parentId: 
  "#player",  width: '100%',
        height: '100%',});