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Thread: Transcoder iOS not supported

  1. #1
    Join Date
    Mar 2014

    Default Transcoder iOS not supported


    I want to broadcast from iOS with RTMP protocol to our Wowza Server but transcoder doesn't start:

    WARN server comment - TranscodingSession.handlePacket[live/_definst_]: Video codec is not supported by transcoder. Can only be used as PassThru: SPARK
    WARN server comment - TranscodingSession.handlePacket[live/_definst_]: Audio codec is not supported by transcoder. Can only be used as PassThru: NELLYMOSER_16MONO
    INFO server comment - LiveStreamPacketizerPacketHandler.handlePacket[live/_definst_/513]: Video codec:SPARK isCompatible:false
    INFO server comment - LiveStreamPacketizerPacketHandler.handlePacket[live/_definst_/513]: Audio codec:NELLYMOSER_16MONO isCompatible:false
    Wowza Transcoder doesn't support this codecs?
    What should I do to broadcast and record file from iOS?

    Thank you in advance,

  2. #2


    Right, Transcoder does not support these codecs. If you can set up the encoder to send H.264 and Speexs audio to the Transcoder it will work.

    Take a look at these guides for how to set this up:
    How to convert Flash Player 11 output from H.264 + Speex audio to H.264 + AAC audio using Wowza Transcoder AddOn

    How to set up a Flash application to publish H.264 video and Speex audio to Wowza Transcoder AddOn


  3. #3
    Join Date
    Mar 2014


    Hi Salvadore,

    But if I want to broadcast through iOS, what should I do?

    Need I to change library to another which supports h.264? Do you know anyone?

    Thank you so much!

    Best regards,

  4. #4


    Have you considered the Wowza GoCoder app?:
    How to use Wowza GoCoder video broadcasting iOS app with Wowza Media Server


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