Tone-mapping on certain Dolby Vision video

[ajtn123]

tone_mapping = auto disables thumbnail generation on certain Dolby Vision video.
But when it's set to no, the thumbnails are looking just fine.

Input #0, matroska,webm, from '.\[VCB-Studio] Sword Art Online -Ordinal Scale- [Ma10p_2160p_DoVi_P8.1][x265_flac].mkv':
  Metadata:
    encoder         : libebml v1.4.4 + libmatroska v1.7.1
    creation_time   : 2024-04-27T06:33:07.000000Z
  Duration: 02:00:04.70, start: 0.000000, bitrate: 30844 kb/s
  Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x2160, SAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 1k tbn (default)
    Metadata:
      BPS             : 29461518
      DURATION        : 02:00:04.698000000
      NUMBER_OF_FRAMES: 172740
      NUMBER_OF_BYTES : 26532667900
      _STATISTICS_WRITING_APP: mkvmerge v80.0 ('Roundabout') 64-bit
      _STATISTICS_WRITING_DATE_UTC: 2024-04-27 06:33:07
      _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Side data:
      DOVI configuration record: version: 1.0, profile: 8, level: 6, rpu flag: 1, el flag: 0, bl flag: 1, compatibility id: 1, compression: 0

[po5]

What mpv version are you using?

[ajtn123]

v0.39.0-372-g3e10309b from https://github.com/shinchiro/mpv-winbuild-cmake/
Here's a clip of the video: onedrive.