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    Jellyfin Forum Support Troubleshooting Music library scraping not working: can't get any metadata from FLAC files

     
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    Music library scraping not working: can't get any metadata from FLAC files

    ricobelo
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    Junior Member

    Posts: 1
    Threads: 1
    Joined: 2025 Sep
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    Country:France
    #1
    2025-09-24, 09:23 AM (This post was last modified: 2025-09-24, 10:11 AM by ricobelo. Edited 1 time in total.)
    Hello,

    I'm new Jellyfin user, and I experiencing a weird issue while trying to add my music library.

    I'm running Jellyfin 10.10.7 on Debian 13/Trixie VM, and my media libraries are mounted thrught NFS exports on Jellyfin server
    I added a fersh music library that way:
       

    I only tuned the localization in French, keeping everything else as defaults. But as you can see I get absolutely no metadata
       

    In Jellyfin logs, I only see few lines :
    Code:
    [2025-09-24 10:53:18.249 +02:00] [INF] Validating media library
    [2025-09-24 10:53:18.438 +02:00] [WRN] Library folder "/var/lib/jellyfin/data/playlists" is inaccessible or empty, skipping
    [2025-09-24 10:53:18.451 +02:00] [INF] Creating image collage and saving to "/tmp/jellyfin/4919f5d576224daab6d0f97bc1eac7b6.png"
    [2025-09-24 10:53:18.718 +02:00] [INF] Completed creation of image collage and saved to "/tmp/jellyfin/4919f5d576224daab6d0f97bc1eac7b6.png"
    [2025-09-24 10:53:18.883 +02:00] [WRN] Library folder "/var/lib/jellyfin/data/playlists" is inaccessible or empty, skipping
    [2025-09-24 10:53:19.940 +02:00] [INF] Starting "/usr/lib/jellyfin-ffmpeg/ffprobe" with args "-analyzeduration 200M -probesize 1G -i file:\"/mnt/music/flac/AC-DC/1986_Who_Made_Who/05_ride_on.flac\" -threads 0 -v warning -print_format json -show_streams -show_format"
    [2025-09-24 10:53:19.941 +02:00] [INF] Starting "/usr/lib/jellyfin-ffmpeg/ffprobe" with args "-analyzeduration 200M -probesize 1G -i file:\"/mnt/music/flac/AC-DC/1990_The_Razors_Edge/02_Fire_Your_Guns.flac\" -threads 0 -v warning -print_format json -show_streams -show_format"
    show_streams -show_format"
    [2025-09-24 10:53:19.947 +02:00] [INF] Starting "/usr/lib/jellyfin-ffmpeg/ffprobe" with args "-analyzeduration 200M -probesize 1G -i file:\"/mnt/music/flac/AC-DC/1980_Back_in_Black/07_You_Shook_Me_All_Night_Long.flac\" -threads 0 -v warning -print_format json -show_streams -show_format"

    And that's it, like ffmpeg stucks and never continue to parse other files !

    Of course, files are accessibles from jellyfin system user, and FLAC files contains correct metadata. Besides ffmpeg command successfully executes from shell :

    Code:
    jellyfin:~# sudo -u jellyfin /usr/lib/jellyfin-ffmpeg/ffprobe -analyzeduration 200M -probesize 1G -i file:"/mnt/music/flac/AC-DC/1986_Who_Made_Who/05_ride_on.flac" -threads 0 -v warning -print_format json -show_streams -show_format
    {
        "streams": [
            {
                "index": 0,
                "codec_name": "flac",
                "codec_long_name": "FLAC (Free Lossless Audio Codec)",
                "codec_type": "audio",
                "codec_tag_string": "[0][0][0][0]",
                "codec_tag": "0x0000",
                "sample_fmt": "s16",
                "sample_rate": "44100",
                "channels": 2,
                "channel_layout": "stereo",
                "bits_per_sample": 0,
                "initial_padding": 0,
                "r_frame_rate": "0/0",
                "avg_frame_rate": "0/0",
                "time_base": "1/44100",
                "start_pts": 0,
                "start_time": "0.000000",
                "duration_ts": 15463224,
                "duration": "350.640000",
                "bits_per_raw_sample": "16",
                "extradata_size": 34,
                "disposition": {
                    "default": 0,
                    "dub": 0,
                    "original": 0,
                    "comment": 0,
                    "lyrics": 0,
                    "karaoke": 0,
                    "forced": 0,
                    "hearing_impaired": 0,
                    "visual_impaired": 0,
                    "clean_effects": 0,
                    "attached_pic": 0,
                    "timed_thumbnails": 0,
                    "non_diegetic": 0,
                    "captions": 0,
                    "descriptions": 0,
                    "metadata": 0,
                    "dependent": 0,
                    "still_image": 0,
                    "multilayer": 0
                }
            },
            {
                "index": 1,
                "codec_name": "mjpeg",
                "codec_long_name": "Motion JPEG",
                "profile": "Baseline",
                "codec_type": "video",
                "codec_tag_string": "[0][0][0][0]",
                "codec_tag": "0x0000",
                "width": 320,
                "height": 320,
                "coded_width": 320,
                "coded_height": 320,
                "closed_captions": 0,
                "film_grain": 0,
                "has_b_frames": 0,
                "sample_aspect_ratio": "1:1",
                "display_aspect_ratio": "1:1",
                "pix_fmt": "yuvj420p",
                "level": -99,
                "color_range": "pc",
                "color_space": "bt470bg",
                "chroma_location": "center",
                "refs": 1,
                "r_frame_rate": "90000/1",
                "avg_frame_rate": "0/0",
                "time_base": "1/90000",
                "start_pts": 0,
                "start_time": "0.000000",
                "duration_ts": 31557600,
                "duration": "350.640000",
                "bits_per_raw_sample": "8",
                "disposition": {
                    "default": 0,
                    "dub": 0,
                    "original": 0,
                    "comment": 0,
                    "lyrics": 0,
                    "karaoke": 0,
                    "forced": 0,
                    "hearing_impaired": 0,
                    "visual_impaired": 0,
                    "clean_effects": 0,
                    "attached_pic": 1,
                    "timed_thumbnails": 0,
                    "non_diegetic": 0,
                    "captions": 0,
                    "descriptions": 0,
                    "metadata": 0,
                    "dependent": 0,
                    "still_image": 0,
                    "multilayer": 0
                },
                "tags": {
                    "comment": "Cover (front)",
                    "title": "http://mog.com/images/users/0000/0000/3209/images/1184126765.jpeg"
                }
            }
        ],
        "format": {
            "filename": "file:/mnt/music/flac/AC-DC/1986_Who_Made_Who/05_ride_on.flac",
            "nb_streams": 2,
            "nb_programs": 0,
            "nb_stream_groups": 0,
            "format_name": "flac",
            "format_long_name": "raw FLAC",
            "start_time": "0.000000",
            "duration": "350.640000",
            "size": "30830511",
            "bit_rate": "703411",
            "probe_score": 100,
            "tags": {
                "TITLE": "Ride On",
                "ARTIST": "AC/DC",
                "track": "5",
                "TRACKTOTAL": "9",
                "ALBUM": "Who Made Who",
                "ARTISTSORT": "AC/DC",
                "GENRE": "hard rock",
                "DATE": "1986-05-20",
                "DISCID": "7308f309",
                "MUSICBRAINZ_DISCID": "Xmo6E9Tc_cqE1_mQx_xfMSFm2IE-"
            }
        }
    }

    The video library scraping completed without any issues...

    Any idea of what's going wrong and how to fix it ?

    Thanks,

    Eric
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    Music library scraping not working: can't get any metadata from FLAC files - by ricobelo - 2025-09-24, 09:23 AM

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