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Thread: Live stream multicast synchronization

  1. #1
    Join Date
    Dec 2011
    Posts
    2

    Default Live stream multicast synchronization

    I've got the following setup:

    FME --(RTMP)--> Wowza --(RTMP|RTSP|HTTPLive)--> Clients

    That is, Wowza is consuming a live RTMP stream and multiple clients are consuming the multicast in either RTMP, RTSP or HTTP Live.

    It's all working fine, but the HTTP Live stream takes significantly longer to transcode and introduces a 15-20 second offset between it and the other two formats.

    Is there any way to configure Wowza to synchronize the output streams to be as close as possible to each other at the expense of all streams being less 'live' then necessary? In my situation the various format streams being in sync is more important then them being as quick as possible.

  2. #2
    Join Date
    Sep 2011
    Posts
    1,931

    Default

    Hi
    Yes this can be done, you would have to write a custom module or have someone else write it for you.
    If you are going to write this by yourself then be sure that everything else works works after you have applied the module.

    If you can't do this yourself then you can ask for a independent list of consultants from Support@wowza.com
    Be sure to get more than one quote to get the best price.

    Jason

  3. #3
    Join Date
    Dec 2011
    Posts
    2

    Default

    Thanks for the reply.

    Do you have any pointers on where I can go to get information on writing this module? Is there a module writing guide somewhere or something similar?

    Thanks!

    Jason


    Quote Originally Posted by JasonH View Post
    Hi
    Yes this can be done, you would have to write a custom module or have someone else write it for you.
    If you are going to write this by yourself then be sure that everything else works works after you have applied the module.

    If you can't do this yourself then you can ask for a independent list of consultants from Support@wowza.com
    Be sure to get more than one quote to get the best price.

    Jason

  4. #4
    Join Date
    Dec 2007
    Posts
    21,962

    Default

    I don't think this can be done.

    fyi, you are not doing "multicast" streaming. You are streaming to multiple client types, but each stream is a unicast stream.

    Richard

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