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    Jellyfin Forum Support Troubleshooting Inconsistent playback of 4k UHD across devices and apps

     
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    Inconsistent playback of 4k UHD across devices and apps

    Direct Streaming stuttering video?
    fuelraccoon12
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    #11
    2025-01-10, 11:28 PM (This post was last modified: 2025-01-10, 11:30 PM by fuelraccoon12. Edited 1 time in total.)
    Findings below. Behavior still persists. iOS Swiftfin with Native Player showed new behavior -- video stuck for a couple seconds then rapidly caught up. Audio persisted without error throughout. Tested again with worsening behavior.

    This was tested with my original file, NOT against the ffmpeg remux. Should I test with that file as well, or rerun the command with the new ffmpeg version?

    PC - Brave Browser - Direct Streaming
    Still Present, same spot.
    Log: https://pastebin.com/pWaC9GA0

    PC - FIrefox - Transcoding
    Clean play
    The media is being converted into a format that is compatible with the device that is playing the media.
    Framerate: 195fps
    45.9 Mbps MP4 H264 AAC
    Reason for transcoding
    The container is not supported
    The audio codec is not supported
    The video's range type is not supported
    Log: https://pastebin.com/YPnsYXLC

    iOS Swiftfin Player - Direct Playing
    Clean play
    (No log)

    iOS Swiftfin Player Native - Direct Streaming
    Still Present, exact same spot. New Behavior - ~:20 second mark, video stuck for multiple seconds, then caught up at end. Audio persisted without error throughout.
    Log: https://pastebin.com/eJgVDTR2

    2nd play - Video started, skipped ahead few seconds, lost sound, lost video, returned seconds later audio and video considerably out of sync (~1:12 mark).
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    Messages In This Thread
    Inconsistent playback of 4k UHD across devices and apps - by fuelraccoon12 - 2025-01-10, 06:46 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by TheDreadPirate - 2025-01-10, 07:23 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by fuelraccoon12 - 2025-01-10, 07:51 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by gnattu - 2025-01-10, 07:26 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by fuelraccoon12 - 2025-01-10, 08:40 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by TheDreadPirate - 2025-01-10, 09:58 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by gnattu - 2025-01-10, 10:52 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by fuelraccoon12 - 2025-01-10, 10:37 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by gnattu - 2025-01-10, 10:49 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by fuelraccoon12 - 2025-01-10, 10:52 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by fuelraccoon12 - 2025-01-10, 11:28 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by fuelraccoon12 - 2025-01-10, 11:41 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by fuelraccoon12 - 2025-01-11, 06:04 PM
    RE: Inconsistent playback of 4k UHD across devices and apps - by gnattu - 2025-01-11, 07:09 PM

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