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Thread: Support for IP-Multicast on RTMPE live streams?

  1. #1
    Join Date
    Sep 2010
    Posts
    13

    Default Support for IP-Multicast on RTMPE live streams?

    Hi,
    is this possible to send normal Sorenson Spark stream from Flash client app to Wowza, on Wowza publish it with using IP-Multicast?
    Or to change incoming stream to UDP and then play it on another flash client?

    I'm asking because we discovered that sometimes audio / video hangs when TCP packet retransmission occurs (this hanging takes 2-3 sec, we check this on WireShark so we are sure that hanging is connected with packet retransmission). Is this possible to avoid this retransmissions?

    Regards

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

    Default

    You can't publish from Flash over UDP. You can publish from Flash 11 with h.264 video and Speex audio, and using the Wowza Transcoder transcode to h.264/AAC, then use the multi-cast addon to push a multicast stream, but I don't think that's what you really want to do, for one thing you will be limited to your LAN (assuming it supports multi-cast) and VLC or Quicktime clients.

    Richard

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