chromium/media/test/data/multi_frame_mse_player.html

<!DOCTYPE html>
<html>
  <head>
    <title>MSE Player</title>
  </head>
  <body onload="runTest();">
    <video controls></video>
    <script src='eme_player_js/app_loader.js' type='text/javascript'></script>
    <script type="text/javascript">
      var video = document.querySelector('video');

      // The test completes after media finishes playing all the segments.
      // The test stops when an error occurs unexpectedly.
      function runTest() {
        var testConfig = new TestConfig();
        testConfig.loadQueryParams();
        if (typeof(testConfig.mediaFile) == "string") {
          // Multiple media segments can be passed down separated by ';'
          testConfig.mediaFile = testConfig.mediaFile.split(';')
        }

        Utils.installTitleEventHandler(video, 'error');
        Utils.installTitleEventHandler(video, 'ended');
        MSEPlayerUtils.loadMediaSegmentsFromTestConfig(testConfig);
        video.play();
        
        // Configure the iframe to be an MSE video that plays the same file and params. 
        var loc = window.location.toString();
        var params = loc.split('?')[1];
        document.getElementById("subframe-mse").src = "mse_player.html?" + params;
      }
    </script>
    <iframe id="subframe-mse" title="Subframe with MSE Player">
    </iframe>
  </body>
</html>