# whatmp3 を Homebrew でインストール

whatmp3 のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:whatmp3
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install whatmp3
```

  証拠: local Homebrew formula metadata

## パッケージ情報

- **パッケージキー:** brew:whatmp3
- **パッケージマネージャ:** Homebrew
- **バージョン:** 3.9
- **ソース概要:** Small script to create mp3 torrents out of FLACs
- **ホームページ:** <https://github.com/RecursiveForest/whatmp3>
- **リポジトリ:** <https://github.com/RecursiveForest/whatmp3>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- whatmp3 (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 3.9
## プロジェクトの歴史と使われ方

whatmp3 is a niche Python command-line tool for transcoding FLAC directories into lossy audio formats and optionally creating torrent files for the results. The README describes it as a tool that takes top-level directories of FLAC files, creates new directories for the requested formats, and can create torrents with mktorrent.

### プロジェクトの歴史

The GitHub repository was created in January 2010, placing whatmp3 in the era when private music trackers and local lossless libraries commonly used FLAC as the archival source while distributing additional lossy encodes for compatibility.

Release metadata shows tagged versions 3.6 in 2015, 3.7 and 3.8 in 2016, and 3.9 in January 2025. The long gap and narrow README scope suggest a specialized workflow tool maintained for users who already understand the FLAC-to-torrent release process.

### 採用の歴史

whatmp3's adoption appears concentrated in a small music-archiving and tracker-adjacent niche rather than broad media conversion. Its source-backed usage model specifically mentions zeropadded track numbers, ReplayGain, mktorrent, and private tracker torrent creation, all of which point to reproducible release preparation rather than casual one-off conversion.

### 使われ方

Users pass one or more FLAC album directories and request target formats such as MP3 or Ogg Vorbis. whatmp3 detects CPU cores for simultaneous transcoding by default, can apply ReplayGain, writes output directories named for the source and format, and can create private torrents using a supplied announce URL.

The README notes that most behavior is controlled by command-line options, while adding new formats requires editing the script itself. That makes it more of a purpose-built release-preparation script than a general media-transcoding framework.

### パッケージ好きにとっての重要性

whatmp3 is package-nerd significant because it captures a very particular Unix media workflow in one command: start with archival FLAC, generate distribution encodes, preserve metadata, and emit torrent artifacts. It is not trying to replace ffmpeg or a full tag editor; it glues the established command-line tools together for a community-specific job.

### タイムライン

- 2010-01-17: The GitHub repository is created.
- 2015-06-28: GitHub release metadata records version 3.6.
- 2016-03-08: GitHub release metadata records version 3.7.
- 2016-12-12: GitHub release metadata records version 3.8.
- 2025-01-15: GitHub release metadata records version 3.9.

### Related projects

- FLAC and metaflac provide the lossless input and metadata tooling.
- Encoders such as lame and oggenc provide lossy output formats.
- mktorrent is used when whatmp3 creates torrent files.

### ソース

- <https://github.com/RecursiveForest/whatmp3>
- <https://github.com/RecursiveForest/whatmp3/blob/master/README.md>
- <https://github.com/RecursiveForest/whatmp3/releases>


## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals


## Combined YAML source

View the package source record on GitHub. [combined/whatmp3.yml](https://github.com/mxcl/pkgdb/blob/main/combined/whatmp3.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph