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Thread: HLS stream sudden skip

  1. #1

    Default HLS stream sudden skip

    Hi, we see random sudden skips on our HLS, the skip is always forward , not to a particular point and at no particular time, mediastreamvalidator results are fine, i can't find anything in the logs, any hint would be appreciated, the server CPU or I/O are not under any stress.

    (WMS 3.1.2 patch 4, Latest MediaCache)
    BR,
    Shay
    Update: we use BDNS i think the reason for the skip was that the player is not "sticky" so i used
    <Property>
    <Name>cupertinoRelativePlaylistPlaylists</Name>
    <Value>false</Value>
    <Type>Boolean</Type>
    </Property>
    together with:
    <Property>
    <Name>cupertinoPlaylistHostDomain</Name>
    <Value>test.com</Value>
    </Property>

    to force the player to a single server once it made the initial request

    I think that was the issue
    BR,
    Shay.
    Last edited by shay@mintmark.co.il; 08-23-2012 at 08:51 AM. Reason: Update

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

    Default

    You may have an odd key frame frequency which is not a factor of the default cupertinoChunkDurationTarget (which 10000 milliseconds or 10 seconds). Try changing the key frame frequency of the stream to 2 seconds. Or try changing cupertinoChunkDurationTarget to a multiple of key frame frequency. See this guide for more details:

    http://www.wowza.com/forums/content....tinostreaming)

    Richard

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