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    Jellyfin Forum Support Troubleshooting Transcoding VAAPI error 187

     
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    Transcoding VAAPI error 187

    simuz
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    Junior Member

    Posts: 2
    Threads: 1
    Joined: 2025 May
    Reputation: 0
    Country:Italy
    #1
    2025-05-12, 07:24 AM
    Hello everyone, I'm struggling on transcoding and HW acceleration. I'm kind of a noob about video codecs and HWA drivers, so excuse me in advance if I'm missing something obvious.

    My setup
    • CPU: INTEL Alder Lake n95
    • SSD1: 512GB internal
    • SSD2: 2TB internal
    • OS: Debian 12
    • Jellyfin running on Docker
    • Jellyfin v10.10.6
    • System and Docker on SSD1, media on SSD2

    The issue
    I had hardware acceleration (VAAPI) configured correctly for a while, and it was working fine. Then I tried watching a new series and started having issues—but only with the Windows app. I worked around it by opening Jellyfin in a browser (Google Chrome on Windows 10), and that worked.

    Yesterday, for the first time, Chrome also failed (possibly after upgrading the client to Windows 11 that started triggering the transcoding? I'm not sure, but that seems to be the only difference). Now it looks like transcoding doesn't work at all anymore—not even for other media—and it always returns an error, and I do not think that this could be Win11 fault.

    It still works on the TV app, but I checked and it's using direct play. Why doesn’t the native Windows app use direct play as well?

    The video that originally caused issues was H264, but I'm currently having problems with HEVC as well.

    No changes have been done to settings or configuration.

    Drivers
    /dev/dri contains card0 and renderD128

    Transcoding settings
    HWA: VAAPI
    Device: /dev/dri/renderD128
    Enabled for:
    • H264
    • HEVC
    • MPEG2
    • VC1
    • VP8
    • VP9
    HW encoding:            Enabled
    Low-Power encoding: Disabled (both H264 and HEVC)
    HEVC encoding:         Enabled
    AV1 encoding:           Enabled
    FFMpeg path:            /usr/lib/jellyfin-ffmpeg/ffmpeg

    Logs
    Log: https://pastebin.com/prFY8egZ
    Transcode log: https://pastebin.com/JBRbuQm4


    I hope I’ve provided enough details—if not, I’ll be happy to add whatever is needed.

    Thank you in advance!
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    Messages In This Thread
    Transcoding VAAPI error 187 - by simuz - 2025-05-12, 07:24 AM
    RE: Transcoding VAAPI error 187 - by simuz - 2025-05-12, 09:09 AM
    RE: Transcoding VAAPI error 187 - by nyanmisaka - 2025-05-12, 12:27 PM

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