test.prototype.onsourceopen = function()

in 2020/media/conformanceTest.js [785:822]
37 lines of code
4 McCabe index (conditional complexity)

  test.prototype.onsourceopen = function() {
    var runner = this.runner;
    var video = this.video;
    var maxTimeDiff = 0;
    var baseTimeDiff = 0;
    var times = 0;
    var videoSb = this.ms.addSourceBuffer(videoStream.mimetype);
    var audioSb = this.ms.addSourceBuffer(audioStream.mimetype);

    var videoXhr = runner.XHRManager.createRequest(
        videoStream.src, function(e) {
      videoSb.appendBuffer(this.getResponseData());
      video.addEventListener('timeupdate', function(e) {
        if (times === 0) {
          baseTimeDiff = util.ElapsedTimeInS() - video.currentTime;
        } else {
          var timeDiff = util.ElapsedTimeInS() - video.currentTime;
          maxTimeDiff = Math.max(
              Math.abs(timeDiff - baseTimeDiff), maxTimeDiff);
        }
        if (times > 500 || video.currentTime > 10) {
          runner.checkLE(
              maxTimeDiff, 0.25, 'media.currentTime diff during playback');
          runner.succeed();
        }
        ++times;
      });
      video.addEventListener('canplaythrough', function(e) {
        video.play();
      });
    }, 0, 2500000);
    var audioXhr = runner.XHRManager.createRequest(
        audioStream.src, function(e) {
      audioSb.appendBuffer(this.getResponseData());
      videoXhr.send();
    }, 0, 2500000);
    audioXhr.send();
  };