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    Jellyfin Forum Support Troubleshooting [SOLVED] Transcoding uses 100% CPU, not so much iGPU

     
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    [SOLVED] Transcoding uses 100% CPU, not so much iGPU

    oldskill
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    Country:France
    #1
    2024-12-04, 10:53 PM (This post was last modified: 2024-12-07, 07:44 PM by oldskill. Edited 2 times in total.)
    First of all , thank you for the amazing work and support.

    CPU: Core i5 6600 (HD530 iGPU)

    Initially, I had installed Truenas, with their Jellifyn's container, had "GPU passthru" enabled and my CPU cores were near 0% while the iGPU was doing the transcoding.
    For various reasons, I reinstalled and now have Ubuntu Server 24.04, with linuxserver.io's Jellyfin container (running on 100% same hardware where I had Truenas).

    Got playback to work when I enable VA-API or QSV, but in both cases:
    * all 4 CPU cores stay at 100% usage  (htop reports many /usr/lib/jellyfin-ffmpeg/ffmpeg processes consuming cpu)
    * HD530: Render/3D is around 30% usage, Video around 50% usage (intel_gpu_top)
    * not sure if this is related, but Playback fails when I enable Intel low-power consumption hardware encoding for h.264. I did not "Configure And Verify LP Mode On Linux", as Skylake is not listed there.

    If possible, would like the HD530 to handle all the transcoding, to lower power consumption.
    Like it was working on Truenas. I was probably testing with another transcoding type, though (cannot remember).

    Everything below is with Intel Quicksync(QSV) selected for hardware acceleration.

    Trying to transcode:
    HEVC > H264
    AAC LC > AAC

    Jellyfin startup output: https://pastebin.com/UFma5Pui
    Jellyfin logs: https://pastebin.com/pHcjRfCs
    FFmpeg logs: https://pastebin.com/d0zUit2X
    docker-compose.yaml: https://pastebin.com/2TC28REk  
    Various shell commands: https://pastebin.com/qjyuxbZp

       

    Sorry about the French in screenshot. Any help would be appreciated !
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    Messages In This Thread
    [SOLVED] Transcoding uses 100% CPU, not so much iGPU - by oldskill - 2024-12-04, 10:53 PM
    RE: Transcoding uses 100% CPU, not so much iGPU - by TheDreadPirate - 2024-12-04, 11:00 PM
    RE: Transcoding uses 100% CPU, not so much iGPU - by oldskill - 2024-12-04, 11:57 PM
    RE: Transcoding uses 100% CPU, not so much iGPU - by nyanmisaka - 2024-12-05, 01:40 AM
    RE: Transcoding uses 100% CPU, not so much iGPU - by oldskill - 2024-12-07, 07:44 PM

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