macOS
brew install jbig2declocal Homebrew formula metadata
sudo port install jbig2decMacPorts ports tree · graphics/jbig2dec/Portfile · Source: api.github.com
brew
Consultez les chemins d'installation, exécutables, métadonnées et notes de sécurité de jbig2dec pour les workflows d'agents IA.
installation
brew install jbig2declocal Homebrew formula metadata
sudo port install jbig2decMacPorts ports tree · graphics/jbig2dec/Portfile · Source: api.github.com
sudo apk add jbig2decAlpine Linux edge package indexes · jbig2dec · Source: dl-cdn.alpinelinux.org
sudo apt install jbig2decDebian stable package indexes · jbig2dec · Source: deb.debian.org
sudo dnf install jbig2decFedora Rawhide package metadata · jbig2dec · Source: dl.fedoraproject.org
nix profile install nixpkgs#jbig2decnixpkgs package indexes · pkgs/by-name/jb/jbig2dec/package.nix · Source: api.github.com
sudo pacman -S jbig2decArch Linux sync databases · jbig2dec · Source: geo.mirror.pkgbuild.com
sudo zypper install jbig2decopenSUSE Tumbleweed package metadata · jbig2dec · Source: download.opensuse.org
aperçu
JBIG2 decoder and library (for monochrome documents)
historique
jbig2dec is a decoder library and command-line utility for the JBIG2 bi-level image compression format, also known as ITU T.88 and ISO/IEC 14492. Its practical niche is decoding monochrome scanned-document images, including JBIG2 streams embedded in PDF files.
The project README describes jbig2dec as a decoder library and example utility, with development source kept in the Ghostscript Git repository and a GitHub mirror under ArtifexSoftware. The README also notes that the GitHub repository is a mirror and that releases are hosted through GitHub tags.
The SourceForge project page records that jbig2dec is no longer hosted there and points users to Ghostscript. That migration reflects the project's place in the Artifex/Ghostscript ecosystem, where JBIG2 decoding is part of broader PDF and page-description-language handling.
The input metadata shows packaging across Homebrew, Alpine, Debian/Ubuntu, Fedora, MacPorts, Nix, Arch, and openSUSE. That broad packaging footprint matches a small C utility/library whose value is mostly as infrastructure for document conversion, PDF processing, and image decoding stacks.
The command can decode a single JBIG2 stream to PNG or PBM output, or accept separate global and page streams used by embedded PDF organization. The man page documents diagnostic, dump, hash, quiet, verbose, and output-format options, while the README says the decoder remains useful in limited contexts and requests problematic files for testing.
jbig2dec is the kind of compact media package that earns its place by handling one difficult format well enough for bigger tools to depend on it. It is especially relevant to PDF pipelines because JBIG2 is referenced by PDF 1.4 and later, and because scanned monochrome documents can achieve very high compression ratios.
posture de sécurité
library-like package without higher-risk signals.
risque vert · confiance faible · appliance
Avant une utilisation sans surveillance par un agent, vérifiez si l'outil lit des identifiants en clair, écrit un état distant, publie des artefacts ou lance des plugins.
exécutables
| Commande | Type | Exposition | Note |
|---|---|---|---|
jbig2dec | cli | exécutable global |
fraîcheur
Ces signaux séparent l'âge de génération de la page, l'activité du gestionnaire de paquets et la comparaison avec les versions amont. Un retard de version n'est signalé que lorsqu'une URL de preuve et des versions comparables sont présentes.
https://github.com/ArtifexSoftware/jbig2dec
métadonnées d'installation
| Clé du paquet | brew:jbig2dec |
|---|---|
| Version | 0.20 |
| Gestionnaire de paquets | Homebrew |
| Page du gestionnaire de paquets | https://formulae.brew.sh/formula/jbig2dec |
| Page d'accueil | https://github.com/ArtifexSoftware/jbig2dec |
| Dépôt | https://github.com/ArtifexSoftware/jbig2dec |
| Docs amont | https://github.com/ArtifexSoftware/jbig2dec/blob/master/README.md |
| Licence | AGPL-3.0-or-later |
| Archive source | https://github.com/ArtifexSoftware/jbig2dec/archive/refs/tags/0.20.tar.gz |
| Dépendances de compilation | autoconf, automake, libtool |
| Bouteille | disponible (sur arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, monterey, sonoma, ventura, x86_64_linux) |
| post-install Homebrew | non défini |
| Service | aucun déclaré |
faits du registre
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | jbig2dec |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
correspondances dans les bases sources
Les correspondances proviennent d’index externes de gestionnaires de paquets et restent séparées des liens de paquets Automic Vault locaux.
jbig2dec 0.20-1+b3
JBIG2 decoder library - tools
sudo apt install jbig2declibjbig2dec0 0.20-1+b3
JBIG2 decoder library - shared libraries
sudo apt install libjbig2dec0libjbig2dec0-dev 0.20-1+b3
JBIG2 decoder library - development files
sudo apt install libjbig2dec0-devjbig2dec
nix profile install nixpkgs#jbig2decjbig2dec 0.20-1build3
JBIG2 decoder library - tools
sudo apt install jbig2declibjbig2dec0 0.20-1build3
JBIG2 decoder library - shared libraries
sudo apt install libjbig2dec0libjbig2dec0-dev 0.20-1build3
JBIG2 decoder library - development files
sudo apt install libjbig2dec0-devjbig2dec 0.20-r0
JBIG2 image compression format decoder
sudo apk add jbig2decjbig2dec-dev 0.20-r0
JBIG2 image compression format decoder (development files)
sudo apk add jbig2dec-devjbig2dec-doc 0.20-r0
JBIG2 image compression format decoder (documentation)
sudo apk add jbig2dec-docjbig2dec 0.20-8.fc44
A decoder implementation of the JBIG2 image compression format
sudo dnf install jbig2decjbig2dec-devel 0.20-8.fc44
Static library and header files for development with jbig2dec
sudo dnf install jbig2dec-develjbig2dec-libs 0.20-8.fc44
A decoder implementation of the JBIG2 image compression format
sudo dnf install jbig2dec-libsjbig2dec 0.20-2
Decoder implementation of the JBIG2 image compression format
sudo pacman -S jbig2decjbig2dec 0.20-2.8
JBIG2 Decoder Utility
sudo zypper install jbig2decjbig2dec-devel 0.20-2.8
JBIG2 decoder development files
sudo zypper install jbig2dec-develpiste source
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View the package source record on GitHub.