       ssrc: null
 
     nalUnitLen = nalUnit.length
-    rtpBuffer = Buffer.concat [new Buffer(rtpHeader), nalUnit],
-      rtp.RTP_HEADER_LEN + nalUnitLen
 
     for clientID, client of stream.rtspClients
       if client.isWaitingForKeyFrame and isKeyFrame

        client.isWaitingForKeyFrame = false

      if client.isPlaying
        rtp.replaceSSRCInRTP rtpBuffer, client.videoSSRC

        client.videoPacketCount++

      isEnd: true

    nalUnitLen = nalUnit.length

    for clientID, client of stream.rtspClients
      if client.isWaitingForKeyFrame and isKeyFrame
        client.isPlaying = true
        client.isWaitingForKeyFrame = false

      if client.isPlaying
        rtpBuffer = Buffer.concat [new Buffer(rtpData), nalUnit],
          rtp.RTP_HEADER_LEN + 2 + nalUnitLen
        rtp.replaceSSRCInRTP rtpBuffer, client.videoSSRC

        client.videoPacketCount++
