macOS
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brew install libmpeg2provider-native install command
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Install libmpeg2 with Homebrew
Library to decode mpeg-2 and mpeg-1 video streams. Version 0.5.1 via Homebrew; verified from local package data.
install
Additional install commands
overview
Package summary
Library to decode mpeg-2 and mpeg-1 video streams
Project links
Commands and aliases
- corrupt_mpeg2
- extract_mpeg2
- mpeg2dec
history
Project history and usage
libmpeg2 is a free GPL C library for decoding MPEG-1 and MPEG-2 video streams, distributed with the mpeg2dec test program. It represents the small, focused multimedia libraries that predate the dominance of larger codec frameworks.
Project history
The official download page lists mpeg2dec 0.1.7 on November 2, 2000 with MPEG-1 and MPEG-2 support, an integrated demuxer, and standards-compliance work. Later releases added a new libmpeg2 API, 4:2:2-profile decoding, robustness improvements, and platform optimizations.
The 2008 libmpeg2 0.5.x releases brought newer compiler and system support, SSE2 and ARM optimizations, aspect-ratio handling, and installation/pkg-config fixes. The official project page also notes VideoLAN maintainers joining the project.
Adoption history
libmpeg2 became a reusable decoder dependency because it was portable C code with a narrow library purpose and a bundled test program. The batch input lists broad package-manager coverage across Homebrew, Debian-family, Fedora-family, Arch, MacPorts, Nix, and openSUSE ecosystems.
Upstream lists projects using libmpeg2, including xine, VideoLAN, MPlayer, GStreamer, XBMC, HandBrake, and other media tools, showing its historical role as a shared MPEG decoder component.
How it is used
Downstream software uses libmpeg2 to decode MPEG-1 and MPEG-2 streams. Packagers and developers can use mpeg2dec as a simple test program and rely on the official conformance test-suite notes on the download page.
Why package nerds care
For package maintainers, libmpeg2 is notable as a compact codec library with hand-written CPU optimizations, GPL licensing, pkg-config metadata, and a long tail of reverse dependencies. It persists because legacy media formats and decoder dependencies remain relevant long after newer codecs appear.
Timeline
- 2000-11-02: mpeg2dec 0.1.7 release with MPEG-1 and MPEG-2 support.
- 2002-11-27: mpeg2dec 0.3.0 release with a new libmpeg2 API.
- 2003-12-23: mpeg2dec 0.4.0 release with 4:2:2-profile decoding and robustness work.
- 2006-09-19: mpeg2dec 0.4.1 portability and bugfix release.
- 2008-07-12: libmpeg2 0.5.0 release with SSE2 and ARM optimizations.
- 2008-07-19: libmpeg2 0.5.1 release fixing header installation and pkg-config files.
Related projects
- Related projects include mpeg2dec, VideoLAN, xine, MPlayer, GStreamer, HandBrake, and liba52, all connected by the upstream site or project navigation.
Sources
security posture
No protected-tool coverage found yet
No matching local secret-handling manifest was found for libmpeg2. Nucleus package metadata is still published here so future coverage has a stable package URL.
Install behavior
- No Homebrew bottle metadata was recorded.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
corrupt_mpeg2 | executable | indexed executable | Discovered from the local executable index. |
extract_mpeg2 | executable | indexed executable | Discovered from the local executable index. |
mpeg2dec | executable | indexed executable | Discovered from the local executable index. |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-08-03
manager version0.5.1
manager updated
local dataunknown
upstreamnot available
latest detectednot detected
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:libmpeg2 |
|---|---|
| Version | 0.5.1 |
| Package manager | Homebrew |
| Homepage | https://libmpeg2.sourceforge.io/ |
| Bottle | not recorded |
| Service | none declared |
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Nucleus package database
- curated package history
- pkgdb category and tag curation