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Thread: File duration requires 64-bit atom structures

  1. #1
    Join Date
    Feb 2014
    Posts
    16

    Default File duration requires 64-bit atom structures

    Hi,

    wowzastreamingengine_error.log file is getting filled by messages,

    WARN    server    comment    2015-11-30    05:26:49    -    -    -    -    -    1845.614    -    -    -    -    -    -    -    -    QTWriterUtils.writeMOOVAtom[/var/storage1/camera_4/4_20151130045658233253_1342.mp4]: File duration requires 64-bit atom structures. File may not play properly in QuickTime for Windows.
    WARN    server    comment    2015-11-30    05:26:50
    This happened after updated to version 4.3.0.01

    What is wrong with?

    Regards,

    Nineesh

  2. #2

    Default

    Hi,

    This message is indicating that the duration of the file is so long that it won't fit into a 32-bit integer, which is used in version 0 of some of the MP4 atoms to store the duration. Therefore we have to use version 1 of those atoms which supports 64 bit durations.

    However, some versions of QuickTime for windows do not support version 1 atoms, which is what this message is warning about. Unless you try to play the file in certain releases of QuickTime on Windows then you can ignore this message.


    Paul

  3. #3
    Join Date
    Feb 2014
    Posts
    16

    Default

    Hello Paul,

    Thank you for the information.

    However is it possible to stop writing these messages into log files?

    Nineesh

  4. #4
    Join Date
    Jan 2015
    Posts
    357

    Default

    Hi Nineesh,

    These lines are only informational, and you can safely ignore them. However, you can opt to shorten the segmentDuration for your livestream recordings so that the duration can be recorded to version 0 of the MP4 atom.

    Michelle

  5. #5
    Join Date
    Feb 2014
    Posts
    16

    Default

    Hello Michelle,

    Thank you for the information. Now I understand !

    Regards,

    Nineesh

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