coderBitRate</label>
    <input id="encoderBitRate" type="number" value="" />
  </div>

  <div>
    <label>encoderApplication</label>
    <input id="encoderApplication" type="number" value="" />
  </div>

  <div>
    <label>encoderComplexity</label>
    <input id="encoderComplexity" type="number" value="" />
  </div>

  <div>
    <button id="init">Init recorder with options</button>
  </div>

  <h2>Recorder Commands</h2>
  <button id="start" disabled>Start</button>
  <button id="pause" disabled>Pause</butto