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Thread: Possible to buffer the live stream?

  1. #1

    Default Possible to buffer the live stream?

    Is it possible to "buffer" the live stream in order to make it smoother?

    Like... to hold a small buffer before it starts playing.
    Then play from that buffer so it is smoother and better quality?

    Is that something that can be done through a custom wowza module?

    Thanks

  2. #2
    Join Date
    Sep 2011
    Posts
    1,933

    Default

    Hi,
    If this is a lack of bandwidth at the player end then you will need to lower he bitrate of the stream as adding a sortbuffer will only fix the stream for the duration of the buffer.
    A buffer can be added on the player side specifically JW player and Flowplayer have a buffer which is configurable.

    If it's a problem from the source and the packets are out of order and this is effecting the stream then you can add a buffer in Wowza which will allow time to manage packets before the client plays them.
    To do this, In the Application.xml file add the following Property blocks to the Streams/Properties section:

    <Property> 
            <Name>sortPackets</Name> 
            <Value>true</Value> 
            <Type>Boolean</Type> 
    </Property> 
    <Property> 
            <Name>sortBufferSize</Name> 
            <Value>2000</Value> 
            <Type>Integer</Type> 
    </Property>
    The "sortBufferSize" value is in milliseconds.

    Jason

  3. #3

    Default

    Thank you so much. So if the wowza server is a place with low bandwidth we can set this buffer... I will give it a shot.

    thanks again

  4. #4
    Join Date
    Sep 2011
    Posts
    1,933

    Default

    Hi,
    No, if the source stream is sending packets which are out of order adding a buffer will give Wowza time to sort the packets out before the client plays them.
    This is not a necessarily a bandwidth issue from the source just packets are being sent out of order.

    If you do have a bandwidth issue you will have to reduce the bitrate so that you are within the bandwidth limitation.

    Jason

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