/**
     * Updates this <tt>RTPStatsMap</tt> with information it gets from the <tt>RawPacket</tt>.
     *
     * @param pkt the <tt>RawPacket</tt> that is being transmitted.
     */
    public void apply(RawPacket pkt) {
      int ssrc = pkt.getSSRC();
      if (this.containsKey(ssrc)) {
        RTPStatsEntry oldRtpStatsEntry = this.get(ssrc);

        // Replace whatever was in there before. A feature of the two's
        // complement encoding (which is used by Java integers) is that
        // the bitwise results for add, subtract, and multiply are the
        // same if both inputs are interpreted as signed values or both
        // inputs are interpreted as unsigned values. (Other encodings
        // like one's complement and signed magnitude don't have this
        // properly.)
        this.put(
            ssrc,
            new RTPStatsEntry(
                ssrc,
                oldRtpStatsEntry.getBytesSent()
                    + pkt.getLength()
                    - pkt.getHeaderLength()
                    - pkt.getPaddingSize(),
                oldRtpStatsEntry.getPacketsSent() + 1));
      } else {
        // Add a new <tt>RTPStatsEntry</tt> in this map.
        this.put(
            ssrc,
            new RTPStatsEntry(
                ssrc, pkt.getLength() - pkt.getHeaderLength() - pkt.getPaddingSize(), 1));
      }
    }
예제 #2
0
 private void handleRtpPacket(RawPacket pkt) {
   if (pkt != null && pkt.getPayloadType() == vp8PayloadType) {
     int ssrc = pkt.getSSRC();
     if (!activeVideoSsrcs.contains(ssrc & 0xffffffffL)) {
       synchronized (activeVideoSsrcs) {
         if (!activeVideoSsrcs.contains(ssrc & 0xffffffffL)) {
           activeVideoSsrcs.add(ssrc & 0xffffffffL);
           rtcpFeedbackSender.sendFIR(ssrc);
         }
       }
     }
   }
 }