macOS
Homebrewverified · 100%
brew install kvazaarlocal Homebrew formula metadata
MacPortsverified · 94%
sudo port install kvazaarMacPorts ports tree · multimedia/kvazaar/Portfile · source: api.github.com
brew / rank 9355
Install kvazaar with Homebrew, apt, MacPorts, Nix, pacman
Ultravideo HEVC encoder. Version 2.3.2 via Homebrew; verified from local package data. Also installable with debian: sudo apt install kvazaar.
install
Additional install commands
Linux
Debian aptverified · 92%
sudo apt install kvazaarDebian stable package indexes · kvazaar · source: deb.debian.org
Nixverified · 92%
nix profile install nixpkgs#kvazaarnixpkgs package indexes · pkgs/by-name/kv/kvazaar/package.nix · source: api.github.com
Arch Linux pacmanverified · 92%
sudo pacman -S kvazaarArch Linux sync databases · kvazaar · source: geo.mirror.pkgbuild.com
overview
Package summary
Ultravideo HEVC encoder
Project links
Commands and aliases
- kvazaar
history
Project history and usage
Kvazaar is an academic open-source HEVC/H.265 video encoder developed by Ultra Video Group, aimed at portable, research-friendly, and high-performance encoding.
Project history
Ultra Video Group describes Kvazaar as an award-winning academic encoder developed since 2012. The project is implemented in C, optimized with SSE and AVX intrinsics, coordinated by Ultra Video Group, and developed on GitHub.
Adoption history
Kvazaar's adoption sits between video-coding research and practical media tooling. The official page notes support in FFmpeg and Libav, giving the encoder a route into de facto multimedia frameworks while preserving its role as an open research implementation.
How it is used
Kvazaar is used as a command-line HEVC encoder for YUV and Y4M-style workflows, targeting x86, x64, PowerPC, and ARM on Windows, Linux, and macOS. Its goals include coding efficiency close to HM, portability, real-time speed, and optimized compute and memory use.
Why package nerds care
Kvazaar is notable because video codecs often arrive as hard-to-package reference software or heavily optimized vendor stacks. Kvazaar gives package managers a BSD-licensed, cross-platform HEVC encoder with an academic provenance and ongoing benchmark-focused release notes.
Timeline
- 2012: Development began on the academic HEVC/H.265 encoder.
- v1.0.0: Release notes reported major rate-distortion and speed improvements over v0.8.3.
- v2.1.0: License changed from LGPL-2.1 to BSD-3-Clause.
- v2.3.2: Release focused on 10-bit encoding fixes and rate-control/cost-calculation improvements.
Related projects
- Kvazaar is related to the HEVC/H.265 standard, the HM reference encoder, FFmpeg, Libav, and other Ultra Video Group projects such as uvg266 and uvgKvazaarHW.
Sources
security posture
Risk level: blue
broad file, network, media, or database tool signal.
Risk classifier
blue risk · medium confidence · tool
Why
- broad file, network, media, or database tool signal
Signals
- text:video
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 |
|---|---|---|---|
kvazaar | 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 version2.3.2
manager updated
local dataunknown
upstreamnot available
latest detectednot detected
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:kvazaar |
|---|---|
| Version | 2.3.2 |
| Package manager | Homebrew |
| Homepage | https://github.com/ultravideo/kvazaar |
| Repository | https://github.com/ultravideo/kvazaar |
| Bottle | not recorded |
| Service | none declared |
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Debian apt95%
kvazaar 2.3.1-2
HEVC encoder - application
https://github.com/ultravideo/kvazaar
sudo apt install kvazaar- Section: video
- Architecture: amd64
- 2 dependencies
- normalized package name match
- Matched by: Kvazaar
Debian apt95%
kvazaar-doc 2.3.1-2
HEVC encoder - documentation
https://github.com/ultravideo/kvazaar
sudo apt install kvazaar-doc- Section: doc
- Architecture: all
- Source Package: kvazaar
- normalized package name match
- Matched by: Kvazaar
Debian apt95%
libkvazaar-dev 2.3.1-2
HEVC encoder - development files
https://github.com/ultravideo/kvazaar
sudo apt install libkvazaar-dev- Section: libdevel
- Architecture: amd64
- Source Package: kvazaar
- 1 dependencies
- 1 optional deps
- normalized package name match
- Matched by: Kvazaar
Debian apt95%
libkvazaar7 2.3.1-2
HEVC encoder - shared library
https://github.com/ultravideo/kvazaar
sudo apt install libkvazaar7- Section: libs
- Architecture: amd64
- Source Package: kvazaar
- 4 dependencies
- normalized package name match
- Matched by: Kvazaar
Nix95%
kvazaar
nix profile install nixpkgs#kvazaar- normalized package name match
- Matched by: Kvazaar
pacman95%
kvazaar 2.3.2-2
An open-source HEVC encoder
https://github.com/ultravideo/kvazaar/
sudo pacman -S kvazaar- License: BSD-3-Clause
- Architecture: x86_64
- 4 dependencies
- normalized package name match
- Matched by: Kvazaar
MacPorts95%
kvazaar
sudo port install kvazaar- normalized package name match
- Matched by: Kvazaar
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
- Geiger risk classifier
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- pkg.so package database
- pkgdb category and tag curation