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Thread: Packet loss - what can i do ??

  1. #1
    Join Date
    Jul 2015

    Default Packet loss - what can i do ??

    hi, guys

    i use RTSP/RTP streaming.

    sometimes i meet packet loss.

    WARN server comment 2015-08-24 01:15:05 - - - - - 338263.513 - - - - - - - - RTPDePacketizerWrapperPacketSorter.packetLoss[live/_definst_/1000:trackID=0]: last:551 curr:1170

    so, i check any method..

    but, i still have same trouble.

    what can i do another action?

  2. #2


    Is it possible you have another encoder on the same network pushing packets for the same channels, which could be causing a conflict? This behavior makes it look like some streams are losing packets.

    Do you see multiple errors like this:
    server  WARN    200 - RTPDePacketizerWrapperPacketSorter.packetLoss\[live/_definst_/streamOne.sdp:trackID=2\]: last:13066 curr:25584    
    server  WARN    200 - RTPDePacketizerWrapperPacketSorter.packetLoss\[live/_definst_/streamTwo.sdp:trackID=1\]: last:63732 curr:14634
    Another troubleshooting tip: Note the big discrepancy between the last and current values. If RTP, the values should be similar. The packet sorter only works if the stream is RTP. We use a sequence number in the RTP header to do packet re-ordering. Because the numbers are so far apart, it most likely means that the stream in question isn't RTP. Possibly the stream(s) that are causing these issues are MPEG-TS that aren't RTP-wrapped.



  3. #3
    Join Date
    Jul 2015


    Thanks, salvadore.

    but I use only one stream and channel.
    and I definitely use RTP.

  4. #4
    Join Date
    Jan 2015



    If you have not done so, please do send a support request with a zip copy of your Wowza conf/logs, since as Salvadore pointed out, the last and current values in the RTPDePacketizer is pointing to an issue in how your encoder's stream is being recognized in your Wowza server.


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