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Thread: Transcodin to low FPS

  1. #1
    Join Date
    Mar 2016
    Posts
    7

    Default Transcodin to low FPS

    Hello,

    I wish to achieve to transcoding from 720p60 to 720p30 for an RTMP stream.
    I cannot find the setting to lower the FPS, just bitrate, key frame, audio.

    Any suggestions? Please. I already checked the tutorial for transcoder.

    Thank you!

  2. #2

    Default

    Hello there and welcome to the Wowza support forum.

    Please take a look at this guide to achieve your desired results:
    How to reduce the frame rate in a transcoded stream (SkipFrameCount)

    Regards,

    Salvadore

  3. #3
    Join Date
    Mar 2016
    Posts
    7

    Default

    Hello Salvadore,

    Thank you very much for the assistance. Works out almost perfect.

    Any way to apply CBR on the transcode ?

    Thanks,
    Eduard
    Last edited by Eduardme; 03-09-2016 at 11:36 AM.

  4. #4

    Default

    Eduard, you have to turn on logVideoEncodingParameters.

    Then from the output (something like):
    INFO server comment  # long: bit_rate_mode: bit rate stuff: 0=H264_CBR, 1=H264_CQT, 2=H264_VBR or 3=H264_TQM
    You can then use this information to create a <Parameter> block to add to the <Parameters> container to change the entropy method being used:
    <Parameter>
    <Name>mainconcept.bit_rate_mode</Name>
    <Value>0</Value>
    <Type>Long</Type>
    </Parameter>
    Regards,

    Salvadore

  5. #5
    Join Date
    Mar 2016
    Posts
    7

    Default

    Hello Salvadore,

    Thanks! for the instructions, I will apply them tomorrow!

    Regards,
    Eduard

  6. #6
    Join Date
    Mar 2016
    Posts
    7

    Default

    I'm sorry, I am new to the wowza systems.
    Could you please give me more details ?

    In the transcoding profile I added the logVideoEncodingParameters, then added the <Parameter> you mentioned, but no result.

  7. #7
    Join Date
    Mar 2016
    Posts
    133

    Default

    Hello,

    Please open a ticket at: https://www.wowza.com/support/open-ticket and attach the [install-dir]/transcoder zipped log for Wowza Support to further investigate.

    How to zip log files: http://www.wowza.com/forums/content....c-OS-and-Linux

    Best,

    Jason Tuchler
    Wowza Media Systems

  8. #8
    Join Date
    Feb 2016
    Posts
    1

    Default

    welcome to wowza media system.

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