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Thread: DVB-S to Transcoder

  1. #1

    Default DVB-S to Transcoder


    We have several streams coming from DVB-S de-modulators and pushed to VLC players as UDP/IP Unicast streams. VLC seems to be having some issues with the stability and hence we want to replcace it with Wowza Transcoder. I see that Wowza Transcoder accepts MPEG-2 streams. But, will it accepts UDP/IP streams like VLC? If so, how I can access them?

    If not, what is the best way to get the DVB-S stream directly into Wowza transcoder?

    FYI - We have 20+ streams.

    Thank you for your time!

  2. #2
    Join Date
    Dec 2007


    Follow this guide to set up an application and start streams:

    Also enable Wowza Transcoder in that application. When you start the stream in Stream Manager, the Transcoder is started.


  3. #3


    Hello Richard,

    Thank you for your quick reply. With your instructions, I am able to start the transcoder.

    But, I am able to get only audio stream in HLS output. I think video stream is missing in the generated .m3u8 file.

    My source is in H.264 (part 10)- MP4 format. Is this a problem?

    I see that the Transcoder accepts H.264 (Part-2) in the documentation.

    Thank you

  4. #4



    I see lot of "WARN server comment - RTPPacketFragmentListReader.skip: Bad" messages in the log.

    I also see the following:

    INFO server comment - RTPDePacketizerMPEGTS.handleRTPPacket: IMPORT: videoPID[prg:0xd,pid:0x14b5,filter:none]: streamType:H264:27
    INFO server comment - LiveStreamPacketizerSanJose.handlePacket[live/_definst_/]: Video codec: H264
    INFO server comment - LiveStreamPacketizerCupertino.handlePacket[live/_definst_/]: Video codec:H264 isCompatible:true

  5. #5


    Posting more of the logs might help. Knowing the make/model of the encoder would, and a better analysis of the stream such as the output of VLC Tools->Codec Information or from the Mediainfo program would also help. I found this post which may indicate a similar problem:

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