uvg266 を Homebrew でインストール

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• uvg266

プロジェクトの歴史

Ultra Video Group says uvg266 development began in 2018 by converting Kvazaar's CABAC and intra prediction work toward VVC. Early support covered planar, DC, and 33 angular modes before expanding to the full set of 65 VVC intra modes.

The GitHub project describes uvg266 as an open-source VVC encoder licensed under the 3-clause BSD license and based on Kvazaar. The project notes that speed and rate-distortion quality were still expected to improve, which fits its role as a specialized codec implementation rather than a finished consumer transcoder.

採用の歴史

Adoption is narrow and codec-specialist oriented. The Homebrew formula gives macOS users a simple install path, but the official material mostly presents uvg266 as part of Ultra Video Group's family of open-source video coding research tools rather than as a general desktop media application.

使われ方

uvg266 is used from the command line to encode raw video input into VVC/H.266 output and to test encoder options, presets, and coding tools. Ultra Video Group also lists uvg266 among the encoders supported by uvgVenctester, its encoder performance-testing toolkit.

パッケージ好きにとっての重要性

For package nerds, uvg266 is interesting because it packages a current-generation video codec encoder behind a normal CLI formula. That makes experimental VVC encoding easier to install for codec testing, comparison runs, and research workflows on macOS.

タイムライン

• 2018: Ultra Video Group says uvg266 development started from Kvazaar-to-VVC conversion work.
• 2022: The public GitHub project and Ultra Video Group pages describe uvg266 as an open-source VVC encoder based on Kvazaar.
• 2024: GitHub releases list v0.8.1 as a July 2024 release.

Related projects

• Kvazaar is Ultra Video Group's earlier HEVC/H.265 encoder and the codebase from which uvg266 was derived.
• uvgVenctester is Ultra Video Group's encoder testing toolkit and lists uvg266 among supported VVC encoders.

ソース

• https://github.com/ultravideo/uvg266 - Official repository README describes uvg266 as an open-source VVC encoder under BSD-3-Clause and based on Kvazaar.
• https://ultravideo.fi/kvazaar.html - Ultra Video Group describes Kvazaar as its HEVC encoder developed since 2012.
• https://ultravideo.fi/uvg266.html - Ultra Video Group describes uvg266, its Kvazaar base, and the 2018 start of development.
• https://ultravideo.fi/venctester.html - Ultra Video Group lists uvg266 among encoders supported by uvgVenctester.