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    Jellyfin Forum Support Troubleshooting SOLVED: Intel QSV transcode error

     
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    SOLVED: Intel QSV transcode error

    Unable to run QSV transcoding. Posible ffmpeg command malformed
    honofre
    Offline

    Junior Member
    Posts: 2
    Threads: 1
    Joined: 2025 Apr
    Reputation: 0
    #1
    2025-04-07, 09:09 AM
    Hi all,

    I have been trying to activate video transcoding on a N150 server with Debian OS and after some research, I suspect that the problem is related to the ffmpeg command.

    When I try to transcode any file, I get the following error in the web gui:

    La reproducción falló por un error fatal del reproductor. 

    Which translates to: Fatal Error has Occurred

    The following error raises in FFmpeg.Transcode-2025-04-07_10-59-46_1eed8ccc38725d0b59c7ba57bfba8f0e_c9058753.log file:

    [out#0/matroska @ 0x556705355600] Error opening output /dev/dri/renderD128,driver=iHD: Permission denied
    Error opening output file /dev/dri/renderD128,driver=iHD.

    The ffmeg command run is the following:

    /usr/lib/jellyfin-ffmpeg/ffmpeg -analyzeduration 200M -probesize 1G -f matroska -init_hw_device vaapi=va: /dev/dri/renderD128,driver=iHD -init_hw_device qsv=qs@va -filter_hw_device qs -hwaccel vaapi -hwaccel_output_format vaapi -noautorotate -canvas_size 1920x1080 -i file:"XXXX.mkv" -noautoscale -map_metadata -1 -map_chapters -1 -threads 0 -map 0:0 -map 0:2 -map -0:0 -codec:v:0 h264_qsv -preset veryfast -b:v 9616000 -maxrate 9616000 -bufsize 19232000 -profile:v:0 high -level 51 -g:v:0 72 -keyint_min:v:0 72 -filter_complex "[0:3]scale,scale=1920:1080:fast_bilinear,format=bgra,hwupload=derive_device=qsv:extra_hw_frames=64[sub];[0:0]setparams=color_primaries=bt709:color_trc=bt709:colorspace=bt709,scale_vaapi=w=1920:h=1080:format=nv12:extra_hw_frames=24,hwmap=derive_device=qsv,format=qsv[main];[main][sub]overlay_qsv=eof_action=pass:repeatlast=0:w=1920:h=1080" -start_at_zero -codec:a:0 libfdk_aac -ac 2 -ab 256000 -copyts -avoid_negative_ts disabled -max_muxing_queue_size 2048 -f hls -max_delay 5000000 -hls_time 3 -hls_segment_type fmp4 -hls_fmp4_init_filename "f04256d85f4268b80a373de0929f5211-1.mp4" -start_number 0 -hls_segment_filename "/var/cache/jellyfin/transcodes/f04256d85f4268b80a373de0929f5211%d.mp4" -hls_playlist_type vod -hls_list_size 0 -y "/var/cache/jellyfin/transcodes/f04256d85f4268b80a373de0929f5211.m3u8"

    I think there is a problem with a space that shouldn't be there (after theSmiling-face:

    vaapi=va: /dev/dri/renderD128,driver=iHD

    If I run the command as root, /dev/dri/renderD128,driver=iHD is created. If I run the same command without that space, it seems to run well.

    My setup details:

    Debian trixie with bookworm official repositories (same problem arises with bookworm)

    N150 processor:
    # lspci -k | grep -EA3 'VGA|3D|Display'
    00:02.0 VGA compatible controller: Intel Corporation Alder Lake-N [Intel Graphics]
            Kernel driver in use: i915
            Kernel modules: i915
    00:04.0 Signal processing controller: Intel Corporation Alder Lake Innovation Platform Framework Processor Participant

    vainfo output:
    # /usr/lib/jellyfin-ffmpeg/vainfo
    Trying display: drm
    libva info: VA-API version 1.22.0
    libva info: Trying to open /usr/lib/jellyfin-ffmpeg/lib/dri/iHD_drv_video.so
    libva info: Found init function __vaDriverInit_1_22
    libva info: va_openDriver() returns 0
    vainfo: VA-API version: 1.22 (libva 2.22.0)
    vainfo: Driver version: Intel iHD driver for Intel® Gen Graphics - 25.1.0 (aa5ca4Nerd-face
    vainfo: Supported profile and entrypoints
          VAProfileNone                  : VAEntrypointVideoProc
          VAProfileNone                  : VAEntrypointStats
          VAProfileMPEG2Simple            : VAEntrypointVLD
          VAProfileMPEG2Simple            : VAEntrypointEncSlice
          VAProfileMPEG2Main              : VAEntrypointVLD
          VAProfileMPEG2Main              : VAEntrypointEncSlice
          VAProfileH264Main              : VAEntrypointVLD
          VAProfileH264Main              : VAEntrypointEncSlice
          VAProfileH264Main              : VAEntrypointFEI
          VAProfileH264Main              : VAEntrypointEncSliceLP
          VAProfileH264High              : VAEntrypointVLD
          VAProfileH264High              : VAEntrypointEncSlice
          VAProfileH264High              : VAEntrypointFEI
          VAProfileH264High              : VAEntrypointEncSliceLP
          VAProfileVC1Simple              : VAEntrypointVLD
          VAProfileVC1Main                : VAEntrypointVLD
          VAProfileVC1Advanced            : VAEntrypointVLD
          VAProfileJPEGBaseline          : VAEntrypointVLD
          VAProfileJPEGBaseline          : VAEntrypointEncPicture
          VAProfileH264ConstrainedBaseline: VAEntrypointVLD
          VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
          VAProfileH264ConstrainedBaseline: VAEntrypointFEI
          VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP
          VAProfileVP8Version0_3          : VAEntrypointVLD
          VAProfileHEVCMain              : VAEntrypointVLD
          VAProfileHEVCMain              : VAEntrypointEncSlice
          VAProfileHEVCMain              : VAEntrypointFEI
          VAProfileHEVCMain              : VAEntrypointEncSliceLP
          VAProfileHEVCMain10            : VAEntrypointVLD
          VAProfileHEVCMain10            : VAEntrypointEncSlice
          VAProfileHEVCMain10            : VAEntrypointEncSliceLP
          VAProfileVP9Profile0            : VAEntrypointVLD
          VAProfileVP9Profile0            : VAEntrypointEncSliceLP
          VAProfileVP9Profile1            : VAEntrypointVLD
          VAProfileVP9Profile1            : VAEntrypointEncSliceLP
          VAProfileVP9Profile2            : VAEntrypointVLD
          VAProfileVP9Profile2            : VAEntrypointEncSliceLP
          VAProfileVP9Profile3            : VAEntrypointVLD
          VAProfileVP9Profile3            : VAEntrypointEncSliceLP
          VAProfileHEVCMain12            : VAEntrypointVLD
          VAProfileHEVCMain12            : VAEntrypointEncSlice
          VAProfileHEVCMain422_10        : VAEntrypointVLD
          VAProfileHEVCMain422_10        : VAEntrypointEncSlice
          VAProfileHEVCMain422_12        : VAEntrypointVLD
          VAProfileHEVCMain422_12        : VAEntrypointEncSlice
          VAProfileHEVCMain444            : VAEntrypointVLD
          VAProfileHEVCMain444            : VAEntrypointEncSliceLP
          VAProfileHEVCMain444_10        : VAEntrypointVLD
          VAProfileHEVCMain444_10        : VAEntrypointEncSliceLP
          VAProfileHEVCMain444_12        : VAEntrypointVLD
          VAProfileHEVCSccMain            : VAEntrypointVLD
          VAProfileHEVCSccMain            : VAEntrypointEncSliceLP
          VAProfileHEVCSccMain10          : VAEntrypointVLD
          VAProfileHEVCSccMain10          : VAEntrypointEncSliceLP
          VAProfileHEVCSccMain444        : VAEntrypointVLD
          VAProfileHEVCSccMain444        : VAEntrypointEncSliceLP
          VAProfileAV1Profile0            : VAEntrypointVLD
          VAProfileHEVCSccMain444_10      : VAEntrypointVLD
          VAProfileHEVCSccMain444_10      : VAEntrypointEncSliceLP

    Please, let me know if you need further information.

    Thanks in advance for your help.
    Go to solution
    TheDreadPirate
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    Community Moderator
    Posts: 15,375
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    #2
    2025-04-07, 12:27 PM (This post was last modified: 2025-04-07, 02:19 PM by TheDreadPirate. Edited 1 time in total.)
    Can you show me a screenshot of Dashboard > Playback > Transcoding? Based on the ffmpeg command from your log, it looks like you put /dev/dri/renderD128 in the QSV device field. This field should be blank since you only have one Intel GPU in your system. IIRC, if you did have more than one Intel device you would put the index number for the desired QSV device. Like 0, 1, 2, etc.

    /dev/dri/renderD128 would only be used for VAAPI.

    When the QSV device field is left blank this is what is populated in the ffmpeg log and works properly.

    Code:
    vaapi=va:,vendor_id=0x8086,driver=iHD
    Jellyfin 10.10.7 (Docker)
    Ubuntu 24.04.2 LTS w/HWE
    Intel i3 12100
    Intel Arc A380
    OS drive - SK Hynix P41 1TB
    Storage
        4x WD Red Pro 6TB CMR in RAIDZ1
    [Image: GitHub%20Sponsors-grey?logo=github]
    honofre
    Offline

    Junior Member
    Posts: 2
    Threads: 1
    Joined: 2025 Apr
    Reputation: 0
    #3
    2025-04-07, 01:55 PM
    Hi @TheDreadPirate,

    That made the trick, I have changed the QSV Device from "/dev/dri/renderD128" to "" and now it's working perfectly!

    Thanks for your help, you made my day!


    (2025-04-07, 09:09 AM)honofre Wrote: Hi all,

    I have been trying to activate video transcoding on a N150 server with Debian OS and after some research, I suspect that the problem is related to the ffmpeg command.

    When I try to transcode any file, I get the following error in the web gui:

    La reproducción falló por un error fatal del reproductor. 

    Which translates to: Fatal Error has Occurred

    The following error raises in FFmpeg.Transcode-2025-04-07_10-59-46_1eed8ccc38725d0b59c7ba57bfba8f0e_c9058753.log file:

    [out#0/matroska @ 0x556705355600] Error opening output /dev/dri/renderD128,driver=iHD: Permission denied
    Error opening output file /dev/dri/renderD128,driver=iHD.

    The ffmeg command run is the following:

    /usr/lib/jellyfin-ffmpeg/ffmpeg -analyzeduration 200M -probesize 1G -f matroska -init_hw_device vaapi=va: /dev/dri/renderD128,driver=iHD -init_hw_device qsv=qs@va -filter_hw_device qs -hwaccel vaapi -hwaccel_output_format vaapi -noautorotate -canvas_size 1920x1080 -i file:"XXXX.mkv" -noautoscale -map_metadata -1 -map_chapters -1 -threads 0 -map 0:0 -map 0:2 -map -0:0 -codec:v:0 h264_qsv -preset veryfast -b:v 9616000 -maxrate 9616000 -bufsize 19232000 -profile:v:0 high -level 51 -g:v:0 72 -keyint_min:v:0 72 -filter_complex "[0:3]scale,scale=1920:1080:fast_bilinear,format=bgra,hwupload=derive_device=qsv:extra_hw_frames=64[sub];[0:0]setparams=color_primaries=bt709:color_trc=bt709:colorspace=bt709,scale_vaapi=w=1920:h=1080:format=nv12:extra_hw_frames=24,hwmap=derive_device=qsv,format=qsv[main];[main][sub]overlay_qsv=eof_action=pass:repeatlast=0:w=1920:h=1080" -start_at_zero -codec:a:0 libfdk_aac -ac 2 -ab 256000 -copyts -avoid_negative_ts disabled -max_muxing_queue_size 2048 -f hls -max_delay 5000000 -hls_time 3 -hls_segment_type fmp4 -hls_fmp4_init_filename "f04256d85f4268b80a373de0929f5211-1.mp4" -start_number 0 -hls_segment_filename "/var/cache/jellyfin/transcodes/f04256d85f4268b80a373de0929f5211%d.mp4" -hls_playlist_type vod -hls_list_size 0 -y "/var/cache/jellyfin/transcodes/f04256d85f4268b80a373de0929f5211.m3u8"

    I think there is a problem with a space that shouldn't be there (after theSmiling-face:

    vaapi=va: /dev/dri/renderD128,driver=iHD

    If I run the command as root, /dev/dri/renderD128,driver=iHD is created. If I run the same command without that space, it seems to run well.

    My setup details:

    Debian trixie with bookworm official repositories (same problem arises with bookworm)

    N150 processor:
    # lspci -k | grep -EA3 'VGA|3D|Display'
    00:02.0 VGA compatible controller: Intel Corporation Alder Lake-N [Intel Graphics]
            Kernel driver in use: i915
            Kernel modules: i915
    00:04.0 Signal processing controller: Intel Corporation Alder Lake Innovation Platform Framework Processor Participant

    vainfo output:
    # /usr/lib/jellyfin-ffmpeg/vainfo
    Trying display: drm
    libva info: VA-API version 1.22.0
    libva info: Trying to open /usr/lib/jellyfin-ffmpeg/lib/dri/iHD_drv_video.so
    libva info: Found init function __vaDriverInit_1_22
    libva info: va_openDriver() returns 0
    vainfo: VA-API version: 1.22 (libva 2.22.0)
    vainfo: Driver version: Intel iHD driver for Intel® Gen Graphics - 25.1.0 (aa5ca4Nerd-face
    vainfo: Supported profile and entrypoints
          VAProfileNone                  : VAEntrypointVideoProc
          VAProfileNone                  : VAEntrypointStats
          VAProfileMPEG2Simple            : VAEntrypointVLD
          VAProfileMPEG2Simple            : VAEntrypointEncSlice
          VAProfileMPEG2Main              : VAEntrypointVLD
          VAProfileMPEG2Main              : VAEntrypointEncSlice
          VAProfileH264Main              : VAEntrypointVLD
          VAProfileH264Main              : VAEntrypointEncSlice
          VAProfileH264Main              : VAEntrypointFEI
          VAProfileH264Main              : VAEntrypointEncSliceLP
          VAProfileH264High              : VAEntrypointVLD
          VAProfileH264High              : VAEntrypointEncSlice
          VAProfileH264High              : VAEntrypointFEI
          VAProfileH264High              : VAEntrypointEncSliceLP
          VAProfileVC1Simple              : VAEntrypointVLD
          VAProfileVC1Main                : VAEntrypointVLD
          VAProfileVC1Advanced            : VAEntrypointVLD
          VAProfileJPEGBaseline          : VAEntrypointVLD
          VAProfileJPEGBaseline          : VAEntrypointEncPicture
          VAProfileH264ConstrainedBaseline: VAEntrypointVLD
          VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
          VAProfileH264ConstrainedBaseline: VAEntrypointFEI
          VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP
          VAProfileVP8Version0_3          : VAEntrypointVLD
          VAProfileHEVCMain              : VAEntrypointVLD
          VAProfileHEVCMain              : VAEntrypointEncSlice
          VAProfileHEVCMain              : VAEntrypointFEI
          VAProfileHEVCMain              : VAEntrypointEncSliceLP
          VAProfileHEVCMain10            : VAEntrypointVLD
          VAProfileHEVCMain10            : VAEntrypointEncSlice
          VAProfileHEVCMain10            : VAEntrypointEncSliceLP
          VAProfileVP9Profile0            : VAEntrypointVLD
          VAProfileVP9Profile0            : VAEntrypointEncSliceLP
          VAProfileVP9Profile1            : VAEntrypointVLD
          VAProfileVP9Profile1            : VAEntrypointEncSliceLP
          VAProfileVP9Profile2            : VAEntrypointVLD
          VAProfileVP9Profile2            : VAEntrypointEncSliceLP
          VAProfileVP9Profile3            : VAEntrypointVLD
          VAProfileVP9Profile3            : VAEntrypointEncSliceLP
          VAProfileHEVCMain12            : VAEntrypointVLD
          VAProfileHEVCMain12            : VAEntrypointEncSlice
          VAProfileHEVCMain422_10        : VAEntrypointVLD
          VAProfileHEVCMain422_10        : VAEntrypointEncSlice
          VAProfileHEVCMain422_12        : VAEntrypointVLD
          VAProfileHEVCMain422_12        : VAEntrypointEncSlice
          VAProfileHEVCMain444            : VAEntrypointVLD
          VAProfileHEVCMain444            : VAEntrypointEncSliceLP
          VAProfileHEVCMain444_10        : VAEntrypointVLD
          VAProfileHEVCMain444_10        : VAEntrypointEncSliceLP
          VAProfileHEVCMain444_12        : VAEntrypointVLD
          VAProfileHEVCSccMain            : VAEntrypointVLD
          VAProfileHEVCSccMain            : VAEntrypointEncSliceLP
          VAProfileHEVCSccMain10          : VAEntrypointVLD
          VAProfileHEVCSccMain10          : VAEntrypointEncSliceLP
          VAProfileHEVCSccMain444        : VAEntrypointVLD
          VAProfileHEVCSccMain444        : VAEntrypointEncSliceLP
          VAProfileAV1Profile0            : VAEntrypointVLD
          VAProfileHEVCSccMain444_10      : VAEntrypointVLD
          VAProfileHEVCSccMain444_10      : VAEntrypointEncSliceLP

    Please, let me know if you need further information.

    Thanks in advance for your help.
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