macOS
Homebrewverifiziert · 100%
brew install jbig2decprovider-native install command
brew / Rang 467
jbig2dec mit Homebrew installieren
Prüfe Installationswege, Executables, Metadaten und Sicherheitshinweise für jbig2dec in AI-Agent-Workflows.
Installation
Weitere Installationsbefehle
Überblick
Paketzusammenfassung
JBIG2 decoder and library (for monochrome documents)
Projektlinks
Befehle und Aliase
- jbig2dec
Verlauf
Projektgeschichte und Nutzung
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.
Projektgeschichte
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.
Adoptionsgeschichte
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.
Wie es verwendet wird
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.
Warum Paket-Nerds sich dafür interessieren
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.
Zeitleiste
- SourceForge era: jbig2dec is hosted as a standalone open-source project.
- Ghostscript era: Project hosting moves away from SourceForge and into the Ghostscript/Artifex ecosystem.
- 2023: The man page identifies version 0.20 and documents the command-line interface.
- Packaging era: Major Unix-like package managers carry jbig2dec as a small media/decoder dependency.
Related projects
- jbig2dec is related to JBIG2, ITU T.88, ISO/IEC 14492, PDF 1.4 and later, Ghostscript, Artifex, MuPDF, scanned-document compression, PNG, and PBM output tooling.
Quellen
Sicherheitslage
Risikostufe: grün
library-like package without higher-risk signals.
Risikoklassifikator
grün Risiko · niedrig Konfidenz · appliance
Warum
- library-like package without higher-risk signals
Signale
- metadata:library-like
Installationsverhalten
- Es wurden keine Homebrew-Bottle-Metadaten erfasst.
Empfohlene Prüfung
Prüfe vor unbeaufsichtigter Agent-Nutzung, ob das Tool Klartext-Credentials liest, Remote-Zustand schreibt, Artefakte veröffentlicht oder Plugins ausführt.
Executables
Installierte Executables
| Befehl | Art | Sichtbarkeit | Hinweis |
|---|---|---|---|
jbig2dec | Executable | indexiertes Executable | Aus dem lokalen Executable-Index erkannt. |
Aktualität
Version und Aktualität
Diese Signale trennen das Alter der Seitengenerierung, Aktivität des Paketmanagers und Upstream-Release-Vergleich. Versionsrückstand wird nur gemeldet, wenn eine Evidenz-URL und vergleichbare Versionen vorhanden sind.
Seite generiert2026-08-03
Manager-Version0.20
Manager aktualisiert2026-07-28
lokale Datenunbekannt
Upstreamnicht verfügbar
neueste erkannte Versionnicht erkannt
- OKEs wurden keine Aktualitätswarnungen generiert.
Installationsmetadaten
Paketmetadaten
| Paketschlüssel | brew:jbig2dec |
|---|---|
| Version | 0.20 |
| Paketmanager | Homebrew |
| Homepage | https://github.com/ArtifexSoftware/jbig2dec |
| Repository | https://github.com/ArtifexSoftware/jbig2dec |
| Zuletzt aktualisiert | 2026-07-28T13:57:49+09:00 |
| Pulse | updated |
| Bottle | nicht erfasst |
| Dienst | keiner deklariert |
Quellspur
Aus Repository-Daten generiert
Diese Seite wird von av-web aus dem privaten Paket-SQLite-Artefakt bereitgestellt, das scripts/generate-pkg-sqlite.py erstellt.
Combined YAML source
View the package source record on GitHub.
Verwendete Quellen
- Geiger risk classifier
- Nucleus package database
- curated package history
- pkgdb category and tag curation