# Install libaacs with Homebrew, apk, apt, MacPorts, Nix, pacman Implements the Advanced Access Content System specification. Version 0.11.1 via Homebrew; verified from local package data. ## Install ```sh sudo av install brew:libaacs ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install libaacs ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install libaacs ``` Evidence: MacPorts ports tree: multimedia/libaacs/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - apk (92%): ```sh sudo apk add libaacs ``` Evidence: Alpine Linux edge package indexes: libaacs from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz - Debian apt (92%): ```sh sudo apt install libaacs-bin ``` Evidence: Debian stable package indexes: libaacs-bin from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - Nix (92%): ```sh nix profile install nixpkgs#libaacs ``` Evidence: nixpkgs package indexes: pkgs/by-name/li/libaacs/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - pacman (92%): ```sh sudo pacman -S libaacs ``` Evidence: Arch Linux sync databases: libaacs from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz - Ubuntu apt (92%): ```sh sudo apt install libaacs-dev ``` Evidence: Ubuntu 24.04 LTS package indexes: libaacs-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz ## Package facts - **Package key:** brew:libaacs - **Package manager:** Homebrew - **Package manager page:** - **Version:** 0.11.1 - **Source summary:** Implements the Advanced Access Content System specification - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** LGPL-2.1-or-later - **Source archive:** - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - aacs_info (cli) - aacs_info (alias) ## Dependencies - libgcrypt - libgpg-error ## Build dependencies - bison ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura ## Freshness - Page generated: 2026-07-08 - Package-manager version: 0.11.1 - Local data: ok - Upstream repository: https://www.videolan.org/developers/libaacs.html - info: No package-manager update timestamp was available. - info: Release/tag comparison is only available for GitHub repositories. ## Project history and usage libaacs is VideoLAN's free-software research implementation of the Advanced Access Content System used by Blu-ray media. It deliberately ships code, not title keys or device certificates, which is central to how distributions package it. ### Project history VideoLAN presents libaacs as a research project for understanding AACS through an open-source library, developed mainly by an international group of Doom9 developers. The project sits near libbluray in the VideoLAN media stack, filling the AACS layer needed by players and tools. ### Adoption history The library was adopted by Unix media stacks because VLC, FFmpeg-adjacent workflows, and Blu-ray playback tools needed a packaged AACS implementation. Its no-keys policy made it easier for repositories to carry the library while leaving key databases and certificates outside the package. ### How it is used Users normally install libaacs as a runtime support library for Blu-ray playback or diagnostics, while packagers expose aacs_info for inspection. Encrypted-disc playback still depends on separately supplied legal keys or certificates. ### Why package nerds care libaacs is a classic packaging boundary case: the code is useful and free, but the practical playback story depends on data the project intentionally does not distribute. ### Timeline - 2010s: VideoLAN hosted libaacs as an open implementation of AACS and linked it from the VideoLAN projects list. - 2020-07-23: VideoLAN published the 0.11.0 source tarball. - 2022-02-27: VideoLAN published the 0.11.1 source tarball. ### Related projects - Related projects include VLC, libbluray, libbdplus, Doom9 community research, and the AACS specification maintained by AACS LA. ### Sources - - - - ## Security Notes library-like package without higher-risk signals. - **Geiger risk:** green / low - library-like package without higher-risk signals ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** libaacs - **Version Scheme:** 0 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - Debian apt - libaacs-bin - 0.11.1-4+b1: normalized package name match | Debian stable package indexes: libaacs-bin from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | free-and-libre implementation of AACS (tools) | https://www.videolan.org/developers/libaacs.html - Debian apt - libaacs-dev - 0.11.1-4+b1: normalized package name match | Debian stable package indexes: libaacs-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | free-and-libre implementation of AACS (development files) | https://www.videolan.org/developers/libaacs.html - Debian apt - libaacs0 - 0.11.1-4+b1: normalized package name match | Debian stable package indexes: libaacs0 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | free-and-libre implementation of AACS | https://www.videolan.org/developers/libaacs.html - Nix - libaacs: normalized package name match | nixpkgs package indexes: pkgs/by-name/li/libaacs/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - Ubuntu apt - libaacs-dev - 0.11.1-2build1: normalized package name match | Ubuntu 24.04 LTS package indexes: libaacs-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | free-and-libre implementation of AACS (development files) | https://www.videolan.org/developers/libaacs.html - Ubuntu apt - libaacs0 - 0.11.1-2build1: normalized package name match | Ubuntu 24.04 LTS package indexes: libaacs0 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | free-and-libre implementation of AACS | https://www.videolan.org/developers/libaacs.html - apk - libaacs - 0.11.1-r1: normalized package name match | Alpine Linux edge package indexes: libaacs from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | libaacs is a research project to implement the Advanced Access Content System specification | https://www.videolan.org/developers/libaacs.html - apk - libaacs-dev - 0.11.1-r1: normalized package name match | Alpine Linux edge package indexes: libaacs-dev from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | libaacs is a research project to implement the Advanced Access Content System specification (development files) | https://www.videolan.org/developers/libaacs.html - pacman - libaacs - 0.11.1-4: normalized package name match | Arch Linux sync databases: libaacs from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | Advanced Access Content System | https://www.videolan.org/developers/libaacs.html - MacPorts - libaacs: normalized package name match | MacPorts ports tree: multimedia/libaacs/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ## Related links - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [Media and graphics packages](https://www.automicvault.com/pkg/media-graphics-tools/) - Matched media, image, audio, video, or graphics metadata. - [Web development packages](https://www.automicvault.com/pkg/web-dev-tools/) - Matched web development metadata. - [libgcrypt](https://www.automicvault.com/pkg/brew/libgcrypt/) - Runtime dependency declared by Homebrew. - [libgpg-error](https://www.automicvault.com/pkg/brew/libgpg-error/) - Runtime dependency declared by Homebrew. - [bison](https://www.automicvault.com/pkg/brew/bison/) - Build dependency declared by Homebrew. - [bento4](https://www.automicvault.com/pkg/brew/bento4/) - Shares av.db curated category or tags: cli, media, media-library, video. - [ccextractor](https://www.automicvault.com/pkg/brew/ccextractor/) - Shares av.db curated category or tags: cli, media, video. - [dvanalyzer](https://www.automicvault.com/pkg/brew/dvanalyzer/) - Shares av.db curated category or tags: cli, media, video. - [dvr-scan](https://www.automicvault.com/pkg/brew/dvr-scan/) - Shares av.db curated category or tags: cli, media, video. - [ffmpeg](https://www.automicvault.com/pkg/brew/ffmpeg/) - Shares av.db curated category or tags: cli, media, video. - [ffmpeg-full](https://www.automicvault.com/pkg/brew/ffmpeg-full/) - Shares av.db curated category or tags: cli, media, video. - [ffmpeg2theora](https://www.automicvault.com/pkg/brew/ffmpeg2theora/) - Shares av.db curated category or tags: cli, media, video. - [ffmpegthumbnailer](https://www.automicvault.com/pkg/brew/ffmpegthumbnailer/) - Shares av.db curated category or tags: cli, media, video. - [libbluray](https://www.automicvault.com/pkg/brew/libbluray/) - Local package facts share a topical domain. Shared terms: blu, blu-ray, cli, info, media. - [x264](https://www.automicvault.com/pkg/brew/x264/) - Both packages work with overlapping file formats or content types. Shared terms: cli, media, video. - [libdca](https://www.automicvault.com/pkg/brew/libdca/) - Local package facts share a topical domain. Shared terms: cli, media. ## Combined YAML source View the package source record on GitHub. [combined/libaacs.yml](https://github.com/automic-vault/db/blob/main/combined/libaacs.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph