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使用 Homebrew, dnf, Nix, pacman 安装 libultrahdr

查看 libultrahdr 的安装路径、可执行文件、元数据以及面向 AI 代理工作流的安全说明。

安装命令安全说明

安装

其他安装命令

macOS

Homebrew已验证 · 100%
brew install libultrahdr

local Homebrew formula metadata

Linux

Fedora dnf已验证 · 92%
sudo dnf install libultrahdr

Fedora Rawhide package metadata · libultrahdr · 来源: dl.fedoraproject.org

Nix已验证 · 92%
nix profile install nixpkgs#libultrahdr

nixpkgs package indexes · pkgs/by-name/li/libultrahdr/package.nix · 来源: api.github.com

Arch Linux pacman已验证 · 92%
sudo pacman -S libultrahdr

Arch Linux sync databases · libultrahdr · 来源: geo.mirror.pkgbuild.com

概览

软件包摘要

Reference codec for the Ultra HDR format

命令和别名

  • ultrahdr_app

历史

项目历史与用法

libultrahdr is Google's reference codec for Ultra HDR, a backward-compatible HDR image format that stores an SDR base image plus a gain map and metadata so legacy JPEG readers can still display the SDR rendition.

项目历史

Android's Ultra HDR specification defines a JPEG-based format that encodes a logarithmic range gain map. libultrahdr implements the codec side: it can compute a gain map from SDR and HDR renditions, store the base image, gain map, and metadata, and decode them back into an HDR rendering on compatible displays.

The GitHub release history starts with version 1.0.0 on October 24, 2023. The 1.1.0 release in August 2024 added image-quality features, command-line tool updates, editing support, and ISO 21496-1 standard support. The 1.4.0 release in January 2025 added per-channel content boost configuration and alternate color-space handling.

采用历史

Ultra HDR entered Android developer workflows with Android 14 API level 34 support for displaying Ultra HDR images. Android documentation tells app developers to detect gain maps and switch windows into HDR color mode when displaying these images.

Google's Android Developers Blog described Instagram as an early adopter that began implementing Ultra HDR in late September 2023, highlighting the format's movement from platform feature to high-volume social media use.

使用方式

Developers use libultrahdr to encode HDR still images into a backward-compatible JPEG container and to decode Ultra HDR images for HDR-capable displays. The bundled ultrahdr_app command-line tool makes it useful for testing encodes, decodes, performance, and format behavior outside Android app code.

为什么软件包爱好者会关心

libultrahdr matters to package nerds because it turns a mobile platform media feature into a portable codec library that distributions can ship. It also captures the practical transition from SDR-only JPEG workflows to gain-map HDR images that still degrade cleanly in old software.

时间线

  • 2023: Android 14 introduced platform support for Ultra HDR images.
  • 2023: libultrahdr 1.0.0 was released on October 24, 2023.
  • 2024: libultrahdr 1.1.0 added editing support and ISO 21496-1 support on August 22, 2024.
  • 2024: libultrahdr 1.2.0 added a Java library and sample app on September 20, 2024.
  • 2025: libultrahdr v1.4.0 was released on January 10, 2025.

Related projects

  • Android 14 and later Android media APIs provide platform display support for Ultra HDR.
  • ISO 21496-1 is an adjacent gain-map HDR standard named in the libultrahdr release notes.
  • JPEG, XMP, and CIPA Multi-Picture Format are normative or container-level building blocks cited by the Ultra HDR specification.

安全态势

风险级别：绿色

library-like package without higher-risk signals.

风险分类器

绿色 风险 · 低 置信度 · appliance

原因

  • library-like package without higher-risk signals

信号

  • metadata:library-like

安装行为

  • formula 元数据中未记录 Homebrew post-install 钩子。
  • Homebrew bottle 元数据适用于 6 个平台目标。
  • 安装时包含 1 个运行时依赖。
  • 构建元数据列出 1 个构建依赖。

建议审查

在无人值守的代理使用前，请检查该工具是否读取明文凭据、写入远程状态、发布制品或调用插件。

可执行文件

已安装的可执行文件

命令类型暴露范围备注
ultrahdr_appcli全局可执行文件

新鲜度

版本和新鲜度

这些信号区分页生成时间、软件包管理器活动和上游发布比较。只有存在证据 URL 和可比较版本时，才会提示版本落后。

页面生成时间2026-08-04
管理器版本1.5.1
管理器更新时间
本地数据OK
上游当前
检测到的最新版本v1.5.1

https://github.com/google/libultrahdr

  • 信息No package-manager update timestamp was available.低 置信度

安装元数据

软件包元数据

软件包键brew:libultrahdr
版本1.5.1
软件包管理器Homebrew
软件包管理器页面https://formulae.brew.sh/formula/libultrahdr
主页https://developer.android.com/media/platform/hdr-image-format
仓库https://github.com/google/libultrahdr
上游文档https://developer.android.com/media/platform/hdr-image-format
许可证Apache-2.0
源码归档https://github.com/google/libultrahdr/archive/refs/tags/v1.5.1.tar.gz
依赖jpeg-turbo
构建依赖cmake
Bottle可用 (于 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-install未定义
服务未声明

注册表事实

源数据库详情

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Namelibultrahdr
Version Scheme0
Revision0
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • stable

源数据库匹配

其他软件包管理器记录

匹配项来自外部软件包管理器索引，并与本地 Automic Vault 软件包链接分开显示。

Nix95%

libultrahdr

nix profile install nixpkgs#libultrahdr
  • normalized package name match
  • 匹配方式：Libultrahdr
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/li/libultrahdr/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
dnf95%

libultrahdr 1.4.0^20251202git8cbc983-2.fc45

Reference codec for the Ultra HDR format

https://github.com/google/libultrahdr

sudo dnf install libultrahdr
  • License: Apache-2.0 AND BSD-3-Clause
  • Category: Unspecified
  • Architecture: i686
  • Source Package: libultrahdr
  • 6 依赖
  • 3 提供
  • normalized package name match
  • 匹配方式：Libultrahdr
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: libultrahdr from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst
dnf95%

libultrahdr-devel 1.4.0^20251202git8cbc983-2.fc45

Development files for libultrahdr

https://github.com/google/libultrahdr

sudo dnf install libultrahdr-devel
  • License: Apache-2.0 AND BSD-3-Clause
  • Category: Unspecified
  • Architecture: i686
  • Source Package: libultrahdr
  • 10 依赖
  • 2 提供
  • normalized package name match
  • 匹配方式：Libultrahdr
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: libultrahdr-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst
pacman95%

libultrahdr 1.5.1-1

The reference codec for the Ultra HDR format

https://github.com/google/libultrahdr

sudo pacman -S libultrahdr
  • License: Apache-2.0
  • Architecture: x86_64
  • 4 依赖
  • normalized package name match
  • 匹配方式：Libultrahdr
Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: libultrahdr from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

软件包图谱

链接来自本地软件包关系图、补充数据、依赖边、生态匹配和软件包 hub 归属。

相关工具

  • jpeg-turboRuntime dependency declared by Homebrew.
  • cmakeBuild dependency declared by Homebrew.
  • vipsPopular package that depends on this formula.
  • imagemagick-fullPopular package that depends on this formula.

相同工作流

  • libheifShares pkgdb curated category or tags: cli, image-codec, image-processing, media.
  • giflibShares pkgdb curated category or tags: cli, image-processing, media.
  • leptonicaShares pkgdb curated category or tags: cli, image-processing, media.
  • netpbmShares pkgdb curated category or tags: cli, image-processing, media.
  • epsilonShares pkgdb curated category or tags: cli, image-processing, media.
  • gifsicleShares pkgdb curated category or tags: cli, image-processing, media.

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