macOS
Homebrew已验证 · 100%
brew install jpeglocal Homebrew formula metadata
MacPorts已验证 · 94%
sudo port install jpegMacPorts ports tree · graphics/jpeg/Portfile · 来源: api.github.com
安装
其他安装命令
Linux
Alpine Linux apk已验证 · 92%
sudo apk add jpegAlpine Linux edge package indexes · jpeg · 来源: dl-cdn.alpinelinux.org
openSUSE zypper已验证 · 92%
sudo zypper install libjpeg-turboopenSUSE Tumbleweed package metadata · libjpeg-turbo · 来源: download.opensuse.org
概览
软件包摘要
Image manipulation library
历史
项目历史与用法
The Homebrew `jpeg` formula represents the Independent JPEG Group's libjpeg software, one of the classic Unix image libraries behind JPEG encoding, decoding, and transformation tools. IJG describes itself as an informal group that writes and distributes a widely used free JPEG compression library, with the first version released on 7 October 1991.
项目历史
IJG's package grew around a portable C implementation of the JPEG standard, plus command-line tools such as `cjpeg`, `djpeg`, `jpegtran`, `rdjpgcom`, and `wrjpgcom`. Its README emphasizes portability, flexibility, and industrial-strength reuse rather than tutorial code, which explains why libjpeg became infrastructure rather than just a sample implementation.
The package also became a baseline for later JPEG implementations and forks. libjpeg-turbo maintains a reference repository of IJG code for comparison and benchmarking, while the IJG reference site frames libjpeg as the technical basis of a media format that remains massively deployed.
采用历史
IJG libjpeg spread because it gave Unix, desktop, and embedded software a royalty-free way to read and write JPEG files. Package managers expose both the library and its small CLI utilities, making it a dependency of image viewers, converters, web tooling, and batch-processing scripts.
The 6b ABI became especially important in distribution culture because many downstream projects and alternative implementations, including libjpeg-turbo and mozjpeg-compatible builds, preserved or targeted that interface.
使用方式
`cjpeg` and `djpeg` convert between JPEG and other image formats, `jpegtran` performs lossless transforms and transcoding, and `rdjpgcom`/`wrjpgcom` handle textual comments. Developers also link against libjpeg directly when adding JPEG support to applications.
为什么软件包爱好者会关心
For package maintainers, IJG JPEG is a canonical example of a tiny-looking formula that underpins a huge dependency graph. Its ABI history explains why distributions often care about which JPEG implementation satisfies `libjpeg` and why compatibility with IJG behavior still matters decades after the format became ordinary.
时间线
- 1991-10-07: IJG released the first version of its JPEG software.
- 1998-03-27: IJG release 6b established a long-lived compatibility target for downstream libraries and tools.
- 2024: The IJG reference site marked JPEG's 33rd anniversary and described ongoing libjpeg development.
- 2026-01-25: IJG release 10 was published.
Related projects
- Related projects include libjpeg-turbo, mozjpeg, JPEG Club's IJG reference material, and the many CLI tools that build on libjpeg-compatible APIs.
来源
安全态势
尚未找到受保护工具覆盖
没有找到 jpeg 的匹配本地密钥处理 manifest。Nucleus 软件包元数据仍在此发布，以便未来覆盖拥有稳定的软件包 URL。
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。
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 |
|---|---|---|---|
cjpeg | cli | 全局可执行文件 | |
djpeg | cli | 全局可执行文件 | |
jpegtran | cli | 全局可执行文件 | |
rdjpgcom | cli | 全局可执行文件 | |
wrjpgcom | cli | 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2026-07-10
管理器版本10
管理器更新时间
本地数据OK
上游not checked
检测到的最新版本未检测到
- 信息No package-manager update timestamp was available.低 置信度
- 信息Release/tag comparison is only available for GitHub repositories.https://www.ijg.org/none 置信度
安装元数据
软件包元数据
| 软件包键 | brew:jpeg |
|---|---|
| 版本 | 10 |
| 软件包管理器 | Homebrew |
| 软件包管理器页面 | https://formulae.brew.sh/formula/jpeg |
| 主页 | https://www.ijg.org/ |
| 上游文档 | https://www.ijg.org/ |
| 许可证 | IJG |
| 源码归档 | https://www.ijg.org/files/jpegsrc.v10.tar.gz |
| 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 Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | jpeg |
| Aliases |
|
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | yes |
| URL Keys |
|
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。
apk95%
jpeg 9f-r0
Wrapper for libjpeg-turbo
sudo apk add jpeg- License: Public Domain
- Architecture: x86_64
- Source Package: jpeg
- 1 依赖
- normalized package name match
- 匹配方式：Jpeg
apk95%
jpeg-dev 9f-r0
Wrapper for libjpeg-turbo-dev
sudo apk add jpeg-dev- License: Public Domain
- Architecture: x86_64
- Source Package: jpeg
- 1 依赖
- normalized package name match
- 匹配方式：Jpeg
apk95%
libjpeg 9f-r0
Wrapper for libjpeg-turbo
sudo apk add libjpeg- License: Public Domain
- Architecture: x86_64
- Source Package: jpeg
- 1 依赖
- normalized package name match
- 匹配方式：Jpeg
zypper95%
libjpeg-turbo 3.1.4.1-83.2
A SIMD-accelerated library for manipulating JPEG image files
sudo zypper install libjpeg-turbo- License: BSD-3-Clause
- Category: Unspecified
- Architecture: x86_64
- Source Package: libjpeg-turbo
- 4 依赖
- 3 提供
- normalized package name match
- 匹配方式：Jpeg
MacPorts95%
jpeg
sudo port install jpeg- normalized package name match
- 匹配方式：Jpeg
来源线索
由仓库数据生成
此页面由 av-web 从 scripts/generate-pkg-sqlite.py 生成的私有软件包 SQLite 工件提供。
Combined YAML source
View the package source record on GitHub.
使用的来源
- Nucleus package database
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment