SOLVED: TVHeadend: jellyfin-ffmpeg exits with 253

[IngwiePhoenix]

Oh! Sure. I'll grab everything related to streaming then!

Screenshots: https://imgur.com/a/4i5ys2V

And, since it's not in the screenshot, everything is basically on default (except the DVB config, but that part is both confirmed working and usually rather individual depending on device and stuff)

Further:

Code:

# /var/lib/tvheadend/config
{
        "server_name": "tvboi",
        "version": 24,
        "full_version": "4.3-2370~g28de5c092",
        "language_ui": "eng",
        "theme_ui": "access",
        "ui_quicktips": true,
        "uilevel": 2,
        "uilevel_nochange": true,
        "caclient_ui": false,
        "info_area": [
                "login",
                "storage",
                "time"
        ],
        "chname_num": true,
        "chname_src": false,
        "date_mask": "",
        "label_formatting": false,
        "language": [
                "ger",
                "eng"
        ],
        "epg_compress": true,
        "epg_cutwindow": 300,
        "epg_window": 86400,
        "prefer_picon": true,
        "chiconscheme": 0,
        "piconpath": "https://marhycz.github.io/picons/1024/%C.png",
        "piconscheme": 0,
        "http_server_name": "HTS/tvheadend",
        "http_realm_name": "tvheadend",
        "digest": 1,
        "digest_algo": 0,
        "cookie_expires": 7,
        "ticket_expires": 300,
        "proxy": true,
        "cors_origin": "*",
        "hdhomerun_ip": "",
        "local_ip": "",
        "local_port": 0,
        "hdhomerun_server_tuner_count": 0,
        "hdhomerun_server_enable": true,
        "http_user_agent": "TVHeadend/4.3-2370~g28de5c092",
        "iptv_tpool": 3,
        "dscp": -1,
        "descrambler_buffer": 9000,
        "parser_backlog": false,
        "hbbtv": true,
        "tvhtime_update_enabled": false,
        "tvhtime_ntp_enabled": false,
        "tvhtime_tolerance": 5000,
        "satip_uuid": "4f97a9da-0f72-4c58-eeb5-feedef7b48a5",
        "satip_rtsp": 9983,
        "satip_anonymize": false,
        "satip_noupnp": false,
        "satip_weight": 100,
        "satip_remote_weight": true,
        "satip_descramble": 1,
        "satip_muxcnf": 0,
        "satip_rtptcpsize": 42,
        "satip_nat_rtsp": 0,
        "satip_nat_name_force": false,
        "satip_iptv_sig_level": 220,
        "force_sig_level": 0,
        "satip_dvbs": 1,
        "satip_dvbs2": 0,
        "satip_dvbt": 0,
        "satip_dvbt2": 0,
        "satip_dvbc": 0,
        "satip_dvbc2": 0,
        "satip_atsct": 0,
        "satip_atscc": 0,
        "satip_isdbt": 0,
        "satip_max_sessions": 0,
        "satip_max_user_connections": 0,
        "satip_rewrite_pmt": false,
        "satip_nom3u": false,
        "satip_notcp_mode": false,
        "satip_restrict_pids_all": false,
        "satip_drop_fe": false
}

Anything else? ^^