gphoto2 を Homebrew, apk, apt, dnf, MacPorts, Nix, pacman でインストール

プロジェクトリンク

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コマンドとエイリアス

• gphoto2

プロジェクトの歴史

The gPhoto project describes gPhoto2 as a free, redistributable set of digital camera software applications for Unix-like systems. The gphoto2 repository README defines the package itself as the command-line frontend to libgphoto2.

The project history is inseparable from libgphoto2. The library provides camera drivers and protocol support, while the CLI exposes that support for users, scripts, tethered shooting, camera configuration, preview capture, and file operations.

The gphoto2 NEWS file records years of CLI-focused evolution: split capture and download commands, `--capture-tethered`, event waiting, movie capture, filename templating improvements, parsable file listings, EXIF retrieval, and signal-controlled long-running capture operations.

採用の歴史

gphoto2 became a standard package in Unix-like distributions because camera access was not uniform across vendors or protocols. The gPhoto homepage explicitly names Linux, FreeBSD, NetBSD, macOS, and major Linux distributions as supported or packaged environments.

Its adoption is also tied to automation. Photographers, labs, kiosks, astrophotography setups, archive workflows, and CI-like hardware rigs can call a CLI command where GUI photo importers are too manual.

使われ方

Users run `gphoto2` to list cameras and files, download images, set or read camera configuration, trigger captures, wait for camera events, capture tethered sessions, and stream or save previews depending on camera support.

The manual page describes gphoto2 as a command-line client for a cross-platform digital camera library. The repository README lists libgphoto2 as the required library and popt as the command-line option dependency, with optional EXIF, JPEG, CDK, and AALIB support.

パッケージ好きにとっての重要性

gphoto2 is a classic package-manager favorite because it bridges hardware, scripting, and desktop media workflows. Installing it pulls together the CLI, libgphoto2, USB/serial camera support, translations, optional preview libraries, and udev-style integration handled by distributions.

For maintainers, the hard part is not the small CLI but the moving camera ecosystem underneath it. libgphoto2 NEWS entries continually add camera IDs, protocol quirks, PTP behavior, vendor-specific configuration, Android file-descriptor support, and security fixes for untrusted USB devices.

タイムライン

• 2.4.2 series: NEWS records the split between capture-only and capture-and-download image commands.
• 2.4.7 series: NEWS records wait-event, wait-event-and-download, capture-tethered, and large-file download support.
• 2.4.10 series: NEWS records continuous movie capture via preview frames.
• 2.5.0 series: NEWS records keep/no-keep capture options, timed wait-event forms, and full configuration tree listing.
• 2.5.9 series: NEWS records source and issue tracking moving to GitHub.
• 2019-10-27: GitHub releases page records gphoto2 2.5.20 with larger file ranges and added shell commands.
• 2025-08-11: GitHub releases page records gphoto2 2.5.32 with EXIF retrieval commands and file-operation reverse ordering.

Related projects

• Related projects include libgphoto2, gtkam, digiKam camera import support, desktop photo managers, camera tethering tools, PTP/MTP libraries, and distribution udev rules for camera access.

ソース

• https://github.com/gphoto/gphoto2
• https://github.com/gphoto/gphoto2/blob/master/NEWS
• https://github.com/gphoto/gphoto2/releases
• https://github.com/gphoto/libgphoto2/blob/master/NEWS
• https://www.gphoto.org/
• https://www.gphoto.org/doc/manual/ref-gphoto2-cli.html
• https://www.gphoto.org/proj/libgphoto2/
• https://www.gphoto.org/proj/libgphoto2/support.php