OS Manuals

/usr/bin/heif-view

libheif is an HEIF and AVIF file format decoder and encoder.

From libheif 1.23.7-r1 (os), captured 2026-11-05 by running heif-view --help (exit 0). permalink

 /usr/bin/heif-view  libheif version: 1.23.7
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Usage: /usr/bin/heif-view [options]  <input-file>

Options:
  -h, --help                     show help
  -v, --version                  show version
      --list-decoders            list all available decoders (built-in and plugins)
  -d, --decoder ID               use a specific decoder (see --list-decoders)
      --speedup FACTOR           increase playback speed by FACTOR
      --show-sai                 show sample auxiliary information
      --show-frame-duration      show each frame duration in milliseconds
      --show-track-metadata      show metadata attached to the track (e.g. TAI config)
      --show-metadata-text       show data in metadata track as text
      --show-metadata-hex        show data in metadata track as hex bytes
      --show-all                 show all extra information
      --ignore-editlist          show the raw media timeline without repetitions
Options (12)
OptionDescriptionSource
-h, --helpshow helphelp
-v, --versionshow versionhelp
--list-decoderslist all available decoders (built-in and plugins)help
-d, --decoder IDuse a specific decoder (see --list-decoders)help
--speedup FACTORincrease playback speed by FACTORhelp
--show-saishow sample auxiliary informationhelp
--show-frame-durationshow each frame duration in millisecondshelp
--show-track-metadatashow metadata attached to the track (e.g. TAI config)help
--show-metadata-textshow data in metadata track as texthelp
--show-metadata-hexshow data in metadata track as hex byteshelp
--show-allshow all extra informationhelp
--ignore-editlistshow the raw media timeline without repetitionshelp

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.