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• hdr10plus_tool

プロジェクトの歴史

The GitHub repository was created in January 2019 and its first public release, 0.1.0, was named HDR10+ Parser. The README records the name change directly: the tool was previously hdr10plus_parser, then became hdr10plus_tool after it outgrew parsing alone.

Early releases in 2019 focused on correctness around HDR10+ metadata parsing, JSON generation, ffmpeg-piped input, and compatibility with Samsung tooling and MediaInfo. Later README-documented commands broadened the project into bidirectional metadata handling: extract metadata from HEVC or MKV inputs, inject JSON metadata into HEVC bitstreams, remove HDR10+ SEI messages, plot brightness metadata, and edit frame metadata.

採用の歴史

Adoption is mostly visible in video-encoding and home-media packaging contexts rather than broad platform documentation. Package-manager metadata in the batch shows the tool packaged for Homebrew, Nix, Alpine, and Arch-derived ecosystems, which fits a niche CLI used by people automating HDR video workflows.

The project lives near other HEVC/HDR command-line tooling: users commonly combine it with ffmpeg bitstream extraction and x265 HDR10+ JSON workflows, both of which are reflected in the upstream README examples and sample-file notes.

使われ方

The common workflow is to extract HDR10+ metadata from an HEVC bitstream or MKV file into JSON, inspect or transform that JSON, and optionally inject it back into an encoded HEVC stream. The tool also supports verification-only parsing, metadata removal, brightness plotting to PNG, and frame-level edit operations described by JSON edit instructions.

For package users, the value is that it turns a specialized video metadata operation into a scriptable executable. The README examples show stdin pipelines from ffmpeg, which is why the package matters to shell-heavy encoding pipelines and reproducible media-processing recipes.

パッケージ好きにとっての重要性

hdr10plus_tool is small but useful in package-manager culture because it exposes a specialized media metadata operation as a single CLI with no GUI assumptions. It is the kind of formula that makes Homebrew, Nix, Alpine, and Pacman valuable to video hobbyists: a hard-to-build Rust utility becomes one command away and fits neatly into ffmpeg pipelines.

Its history also shows a familiar package evolution: a parser becomes a tool once users need round-tripping, validation, and inspection. That shift explains why the package name matters even though the executable remains narrow.

タイムライン

• 2019-01: Repository created and 0.1.0 released as HDR10+ Parser.
• 2019-01: 0.2.1 added a verify option for checking embedded metadata.
• 2019-01: 0.2.2 added piped input support using ffmpeg.
• 2019-11: 0.2.5 improved JSON generation and MediaInfo-related compatibility.
• 2020-01: 0.2.6 added regression tests while fixing parsing of MaxScl and Average MaxRGB values.
• 2026-01: 1.3.2 added support for multiple SEI messages and a remove subcommand.

Related projects

• ffmpeg is commonly used to demux or pipe HEVC bitstreams into hdr10plus_tool.
• x265 appears in the upstream README as the source of sample HDR10+ metadata used for tests.
• MediaInfo appears in release notes as an interoperability target for HDR10+ profile detection.
• HDR-Multi-Tool-Gui and similar media GUIs often wrap CLI tools in this family, but hdr10plus_tool itself remains the scriptable core.

ソース

• https://api.github.com/repos/quietvoid/hdr10plus_tool
• https://api.github.com/repos/quietvoid/hdr10plus_tool/releases?per_page=100
• https://github.com/quietvoid/hdr10plus_tool
• https://raw.githubusercontent.com/quietvoid/hdr10plus_tool/master/README.md