Automic VaultAutomic Vault

brew

使用 Homebrew, apk, dnf, MacPorts, Nix, pacman, zypper, apt 安装 a52dec

查看 a52dec 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 a52dec

local Homebrew formula metadata

MacPorts已验证 · 94%
sudo port install a52dec

MacPorts ports tree · audio/a52dec/Portfile · 来源: api.github.com

Linux

Alpine Linux apk已验证 · 92%
sudo apk add a52dec

Alpine Linux edge package indexes · a52dec · 来源: dl-cdn.alpinelinux.org

Fedora dnf已验证 · 92%
sudo dnf install a52dec

Fedora Rawhide package metadata · a52dec · 来源: dl.fedoraproject.org

Nix已验证 · 92%
nix profile install nixpkgs#a52dec

nixpkgs package indexes · pkgs/by-name/a5/a52dec/package.nix · 来源: api.github.com

Arch Linux pacman已验证 · 92%
sudo pacman -S a52dec

Arch Linux sync databases · a52dec · 来源: geo.mirror.pkgbuild.com

openSUSE zypper已验证 · 92%
sudo zypper install a52dec

openSUSE Tumbleweed package metadata · a52dec · 来源: download.opensuse.org

Debian apt已验证 · 92%
sudo apt install liba52-0.7.4

Debian stable package indexes · liba52-0.7.4 · 来源: deb.debian.org

概览

软件包摘要

Library for decoding ATSC A/52 streams (AKA 'AC-3')

命令和别名

  • a52dec
  • extract_a52

历史

项目历史与用法

a52dec is the command-line test decoder and distribution package for liba52, a C library for decoding ATSC A/52 audio streams, also known as AC-3.

项目历史

The project started publicly as ac3dec in 1999 and evolved into a52dec/liba52 in 2001. The official ChangeLog records the first public ac3dec release in June 1999, the 0.7.0 liba52-era release in August 2001, and the 0.7.4 release in July 2002.

The project then had a very long quiet period after the 2004 0.7.5 development snapshot. In 2022, Adelie Linux imported the historically available SourceForge code into Git, declared the Adelie GitLab URL canonical for source control and issue tracking, and took over maintenance while trying to minimize churn.

采用历史

The README names xine, VideoLAN, MPlayer, FFmpeg, drip, and GStreamer as projects that used liba52, which explains why distributions kept shipping a small standalone a52dec package long after upstream development slowed.

使用方式

The a52dec program decodes ATSC A/52 files and can demultiplex MPEG-1 and MPEG-2 program streams. Typical use is running a52dec against an AC-3/A52 file, with options for multiplexed streams, output layer selection, optimization control, and dynamic range compression.

为什么软件包爱好者会关心

a52dec is interesting to package maintainers because it is a classic codec-library package with a tiny CLI, old CVS-era history, GPL licensing, dormant upstream years, and a later distribution-led maintenance handoff.

时间线

  • 1999: First public ac3dec release.
  • 2001: a52dec/liba52 0.7.0 release introduces a new library interface and major speedups.
  • 2002: a52dec 0.7.4 release marks liba52 as fully reentrant.
  • 2004: a52dec 0.7.5 development snapshot adds fixed-point support and other improvements.
  • 2022: a52dec 0.8.0 imports historical SourceForge code into Git and updates the maintenance situation.

Related projects

  • Related users and peers include xine, VideoLAN/VLC, MPlayer, FFmpeg, GStreamer, and other media playback or transcoding projects that needed AC-3/A52 decoding.

安全态势

风险级别：blue

broad file, network, media, or database tool signal.

风险分类器

blue 风险 · 中 置信度 · tool

原因

  • broad file, network, media, or database tool signal

信号

  • text:stream

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 12 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
a52deccli全局可执行文件
extract_a52cli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2026-07-25
管理器版本0.8.0
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

https://git.adelielinux.org/community/a52dec/

安装元数据

软件包元数据

软件包键brew:a52dec
版本0.8.0
软件包管理器Homebrew
软件包管理器页面https://formulae.brew.sh/formula/a52dec
主页https://git.adelielinux.org/community/a52dec/
仓库https://git.adelielinux.org/community/a52dec
上游文档https://git.adelielinux.org/community/a52dec
许可证GPL-2.0-or-later
源码归档https://distfiles.adelielinux.org/source/a52dec/a52dec-0.8.0.tar.gz
Bottle可用 (于 arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, monterey, sonoma, ventura, 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 Namea52dec
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。

Debian apt95%

liba52-0.7.4 0.7.4-20+b3

library for decoding ATSC A/52 streams

http://liba52.sourceforge.net/

sudo apt install liba52-0.7.4
  • Section: libs
  • Architecture: amd64
  • Source Package: a52dec
  • 1 依赖
  • normalized package name match
  • 匹配方式：A52dec
Debian stable package indexes · deb.debian.org · Debian stable package indexes: liba52-0.7.4 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Debian apt95%

liba52-0.7.4-dev 0.7.4-20+b3

library for decoding ATSC A/52 streams (development)

http://liba52.sourceforge.net/

sudo apt install liba52-0.7.4-dev
  • Section: libdevel
  • Architecture: amd64
  • Source Package: a52dec
  • 2 依赖
  • 3 提供
  • normalized package name match
  • 匹配方式：A52dec
Debian stable package indexes · deb.debian.org · Debian stable package indexes: liba52-0.7.4-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

a52dec

nix profile install nixpkgs#a52dec
  • normalized package name match
  • 匹配方式：A52dec
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/a5/a52dec/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

liba52-0.7.4 0.7.4-20build1

library for decoding ATSC A/52 streams

http://liba52.sourceforge.net/

sudo apt install liba52-0.7.4
  • Section: universe/libs
  • Architecture: amd64
  • Source Package: a52dec
  • 1 依赖
  • normalized package name match
  • 匹配方式：A52dec
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: liba52-0.7.4 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
Ubuntu apt95%

liba52-0.7.4-dev 0.7.4-20build1

library for decoding ATSC A/52 streams (development)

http://liba52.sourceforge.net/

sudo apt install liba52-0.7.4-dev
  • Section: universe/libdevel
  • Architecture: amd64
  • Source Package: a52dec
  • 2 依赖
  • 3 提供
  • normalized package name match
  • 匹配方式：A52dec
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: liba52-0.7.4-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
apk95%

a52dec 0.8.0-r11

A free library for decoding ATSC A/52 streams.

https://liba52.sourceforge.net/

sudo apk add a52dec
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • Source Package: a52dec
  • 1 依赖
  • 1 提供
  • normalized package name match
  • 匹配方式：A52dec
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: a52dec from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
apk95%

a52dec-dev 0.8.0-r11

A free library for decoding ATSC A/52 streams. (development files)

https://liba52.sourceforge.net/

sudo apk add a52dec-dev
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • Source Package: a52dec
  • 1 依赖
  • 1 提供
  • normalized package name match
  • 匹配方式：A52dec
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: a52dec-dev from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
apk95%

a52dec-doc 0.8.0-r11

A free library for decoding ATSC A/52 streams. (documentation)

https://liba52.sourceforge.net/

sudo apk add a52dec-doc
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • Source Package: a52dec
  • normalized package name match
  • 匹配方式：A52dec
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: a52dec-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
apk95%

a52dec-static 0.8.0-r11

A free library for decoding ATSC A/52 streams. (static library)

https://liba52.sourceforge.net/

sudo apk add a52dec-static
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • Source Package: a52dec
  • normalized package name match
  • 匹配方式：A52dec
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: a52dec-static from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
dnf95%

a52dec 0.7.4-53.fc44

Small test program for liba52

http://liba52.sourceforge.net

sudo dnf install a52dec
  • License: GPL-2.0-only
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: a52dec
  • 5 依赖
  • 1 提供
  • normalized package name match
  • 匹配方式：A52dec
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: a52dec from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst
dnf95%

liba52 0.7.4-53.fc44

A free ATSC A/52 stream decoder, also known as AC-3 or AC3

http://liba52.sourceforge.net

sudo dnf install liba52
  • License: GPL-2.0-only
  • Category: Unspecified
  • Architecture: i686
  • Source Package: a52dec
  • 3 依赖
  • 3 提供
  • normalized package name match
  • 匹配方式：A52dec
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: liba52 from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst
dnf95%

liba52-devel 0.7.4-53.fc44

Development files for liba52

http://liba52.sourceforge.net

sudo dnf install liba52-devel
  • License: GPL-2.0-only
  • Category: Unspecified
  • Architecture: i686
  • Source Package: a52dec
  • 2 依赖
  • 2 提供
  • normalized package name match
  • 匹配方式：A52dec
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: liba52-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst
pacman95%

a52dec 0.8.0-3

Library for decoding ATSC A/52 (AC-3) audio streams

https://git.adelielinux.org/community/a52dec/

sudo pacman -S a52dec
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • 1 依赖
  • normalized package name match
  • 匹配方式：A52dec
Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: a52dec from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz
zypper95%

a52dec 0.8.0-1.8

ATSC A/52 stream decoder library

https://git.adelielinux.org/community/a52dec/

sudo zypper install a52dec
  • License: GPL-2.0-or-later
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: a52dec
  • 4 依赖
  • 2 提供
  • normalized package name match
  • 匹配方式：A52dec
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: a52dec from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst
zypper95%

liba52-0 0.8.0-1.8

ATSC A/52 stream decoder library

https://git.adelielinux.org/community/a52dec/

sudo zypper install liba52-0
  • License: GPL-2.0-or-later
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: a52dec
  • 3 依赖
  • 4 提供
  • normalized package name match
  • 匹配方式：A52dec
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: liba52-0 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst
zypper95%

liba52-0-32bit 0.8.0-1.8

ATSC A/52 stream decoder library

https://git.adelielinux.org/community/a52dec/

sudo zypper install liba52-0-32bit
  • License: GPL-2.0-or-later
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: a52dec
  • 3 依赖
  • 2 提供
  • normalized package name match
  • 匹配方式：A52dec
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: liba52-0-32bit from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst

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

  • scummvmPopular package that depends on this formula.

相同工作流

  • faacShares av.db curated category or tags: audio, cli, codec, media.
  • faad2Shares av.db curated category or tags: audio, cli, codec, media.
  • alsa-libShares av.db curated category or tags: audio, cli, library, media.
  • flacShares av.db curated category or tags: audio, cli, codec, media.
  • libdcaShares av.db curated category or tags: audio, cli, codec, library, media.
  • libmikmodShares av.db curated category or tags: audio, cli, library, media.

来源线索

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使用的来源

  • Geiger risk classifier
  • Nucleus package database
  • av.db category and tag curation
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • package relationship graph
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