code: function getLiveStream(options) {
      return raspivid(Object.assign({
          width: 960,
          height: 540,
          framerate: 20,
          profile: 'baseline',
          timeout: 0
      }, options))
      .pipe(new Splitter(NALseparator))
      .pipe(new stream.Transform({ transform: function (chunk, encoding, callback) {
          const chunkWithSeparator = Buffer.concat([NALseparator, chunk]);
  
          const chunkType = chunk[0] & 0b11111;
  
          // Capture the first SPS & PPS frames, so we can send stream parameters on connect.
          if (chunkType === 7 || chunkType === 8) {
              headerData.addParameterFrame(chunkWithSeparator);
          } else {
              // The live stream only includes the non-parameter chunks
              this.push(chunkWithSeparator);
  
              // Keep track of the latest IDR chunk, so we can start clients off with a near-current image
              if (chunkType === 5) {
                  headerData.idrFrame = chunkWithSeparator;
              }
          }
  
          callback();
      }}));
  }
docs: This returns the live stream only, without the parameter chunks