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Thread: Very strange big delay

  1. #1

    Default Very strange big delay

    We use Wowza to build a conference system. Live-lowlatency audio stream

    Now we got an unreasonable delay. We found sometimes we didn't receive any audio package. Suddenly the client bufferlegnth grow up to more than 10 seconds.

    We use jconsole to monitor the server. We found RTMP MessgesLostBytes of IOPerformanceRTMP is always ZERO. It's impossilbe I think.

    It seems server never drop audio package. We use speex codec. It works well before. So maybe we change someting unintentionally.

    Below is my settings


    <Streams>
    <StreamType>live-lowlatency</StreamType>
    <StorageDir>${com.wowza.wms.context.VHostConfigHome}/content</StorageDir>
    <KeyDir>${com.wowza.wms.context.VHostConfigHome}/keys</KeyDir>
    <!-- LiveStreamPacketizers (separate with commas): cupertinostreamingpacketizer, smoothstreamingpacketizer, sanjosestreamingpacketizer, cupertinostreamingrepeater, smo\
    othstreamingrepeater, sanjosestreamingrepeater -->
    <LiveStreamPacketizers>cupertinostreamingpacketizer,smoothstreamingpacketizer,sanjosestreamingpacket izer</LiveStreamPacketizers>
    <!-- Properties defined here will override any properties defined in conf/Streams.xml for any streams types loaded by this application -->
    <Properties>
    <Property>
    <Name>maxliveaudiolatency</Name>
    <Value>3000</Value>
    </Property>
    <Property>
    <Name>instantOn</Name>
    <Value>false</Value>
    <Type>Boolean</Type>
    </Property>
    <Property>
    <Name>flushInterval</Name>
    <Value>50</Value>
    <Type>Integer</Type>
    </Property>
    <Property>
    <Name>onFlushNotifyClients</Name>
    <Value>true</Value>
    <Type>Boolean</Type>
    </Property>
    <Property>
    <Name>disableLowBandwidthThrottling</Name>
    <Value>false</Value>
    <Type>Boolean</Type>
    </Property>
    <Property>
    <Name>behindDropDFrames</Name>
    <Value>1000</Value>
    <Type>Integer</Type>
    </Property>
    <Property>
    <Name>behindDropPFrames</Name>
    <Value>2000</Value>
    <Type>Integer</Type>
    </Property>
    <Property>
    <Name>behindDropKFrames</Name>
    <Value>2500</Value>
    <Type>Integer</Type>
    </Property>
    <Property>
    <Name>behindDropAudio</Name>
    <Value>2500</Value>
    <Type>Integer</Type>
    </Property>
    <Property>
    <Name>isLive</Name>
    <Value>true</Value>
    <Type>Boolean</Type>
    </Property>
    </Properties>
    </Streams>

    Thanks!

  2. #2
    Join Date
    Dec 2007
    Posts
    21,962

    Default

    Did you make changes to /conf/Streams.xml ?

    Richard

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