klem@odb:~/Downloads$ sudo vt -i Griechenlandreise_1993_UHD.mp4 -h264 hevc
[sudo] Passwort für klem: 
/usr/bin/lspci
/usr/bin/mediainfo
select_str2=
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Griechenlandreise_1993_UHD.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp41isom
    creation_time   : 2023-05-18T07:48:43.000000Z
  Duration: 00:03:25.33, start: 0.000000, bitrate: 19169 kb/s
  Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 3840x2160 [SAR 1:1 DAR 16:9], 19167 kb/s, 62.50 fps, 62.50 tbr, 60k tbn, 120 tbc (default)
    Metadata:
      creation_time   : 2023-05-18T07:48:43.000000Z
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
      encoder         : AVC Coding
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (h264_cuvid) -> hevc (hevc_nvenc))
Press [q] to stop, [?] for help
[hevc_nvenc @ 0x55ed8f89d480] OpenEncodeSessionEx failed: unsupported device (2): (no details)
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!
/usr/local/bin/vt: Zeile 4429: ${#videos}-2: Teilstring-Ausdruck < 0.
/usr/local/bin/vt: Zeile 4432: ${#audios}-2: Teilstring-Ausdruck < 0.
/usr/local/bin/vt: Zeile 4438: *8/205: Syntaxfehler: Operator erwartet. (Fehlerverursachendes Zeichen ist "*8/205").
klem@odb:~/Downloads$