aom を Homebrew でインストール

プロジェクトリンク

• ホームページ

コマンドとエイリアス

• aomdec
• aomenc

プロジェクトの歴史

The official AOMedia repository hosts the reference AV1 codec implementation in googlesource. Its source tree includes the codec library, AV1 implementation code, examples, command-line tools, documentation inputs, test code, and a maintained changelog.

The AV1 format emerged from the Alliance for Open Media's goal of a royalty-free, open video codec. The `aom` repository became the canonical implementation used to validate the format, exercise encoder and decoder behavior, and publish stable libaom releases.

The changelog shows a long-running 3.x series with stable ABI notes, bug fixes, speedups, new codec controls, perceptual quality work, SIMD optimization, and security-fuzzing fixes. The 2026 entries still treat ABI compatibility and experimental API boundaries as first-class release concerns.

採用の歴史

aom's adoption follows AV1's adoption: packagers ship libaom so media stacks can build AV1 support, while the `aomenc` and `aomdec` utilities give developers a reference command-line path for testing encodes and decodes.

The input metadata records packaging across Homebrew, Alpine, Debian/Ubuntu tools packages, Fedora, MacPorts, Arch, and openSUSE, which is typical for a core media codec library that other packages link against.

使われ方

Package users most often meet aom through `aomenc` and `aomdec`, or as a dependency of larger video applications. The changelog and source layout point to a library with a stable public API plus experimental codec controls for newer encoder features.

In package builds, aom matters both as an executable tool package and as a codec library dependency. ABI compatibility notes in the changelog are especially relevant to maintainers deciding when downstream media packages need rebuilds.

パッケージ好きにとっての重要性

aom is significant because it is a reference implementation, not just another codec package. It sits at the intersection of standards work, browser/media-stack dependencies, SIMD-heavy native builds, fuzzing, ABI promises, and command-line encoder workflows.

For Homebrew and other source-based package managers, libaom releases are the kind of dependency that can ripple through ffmpeg-like build graphs. The package is small to install but large in ecosystem consequence.

タイムライン

• 2018: AV1-era libaom release series begins with early `v1.0.0` tags in the official repository.
• 2021: `v3.0.0` appears in the official tag set, marking the start of the modern 3.x release line.
• 2025: Changelog entries include codec controls, tuning modes, speedups, quality work, and ABI-compatible 3.x releases.
• 2026: `v3.14.0` and `v3.14.1` changelog entries document continued ABI-compatible releases, bug fixes, and encoder improvements.

Related projects

• AV1 is the video coding format implemented by libaom.
• The Alliance for Open Media is the standards organization behind AV1.
• Downstream media frameworks and encoders use libaom as an AV1 implementation.

ソース

• https://aomedia.googlesource.com/aom
• https://aomedia.googlesource.com/aom refs via `git ls-remote --tags`
• https://aomedia.googlesource.com/aom/+/refs/heads/main/CHANGELOG
• source_facts.package-manager