code: public void play2(String oldStreamName, int start, String transition, int length, double offset, String streamName) {
          Map<String, Object> playOptions = new HashMap<String, Object>();
          playOptions.put("oldStreamName", oldStreamName);
          playOptions.put("streamName", streamName);
          playOptions.put("start", start);
          playOptions.put("len", length);
          playOptions.put("offset", offset);
          play2(playOptions);
      }
docs: Dynamic streaming play method. This is a convenience method.
  
  @param oldStreamName
  old
  @param start
  start pos
  @param transition
  type of transition
  @param length
  length to play
  @param offset
  offset
  @param streamName
  stream name