[[H.265]] - http://x265.org/ - http://www.videohelp.com/tools/x265-Encoder/version-history * usage [#f8987fb2] $ hg clone https://bitbucket.org/multicoreware/x265 $ cd x265/build/linux $ ./make-Makefiles.bash $ make * rate control [#rate-control] - Understanding Rate Control Modes (x264, x265, vpx) -- https://slhck.info/video/2017/03/01/rate-control.html - [[x265/CRF]] * 開発 [#dev] - Preset -- http://x265.readthedocs.io/en/default/presets.html - Lossless -- http://x265.readthedocs.io/en/default/lossless.html * ffmpeg [#r29cbd1d] - https://trac.ffmpeg.org/wiki/Encode/H.265 * その他 [#f12fe2d3] - [media-types] registeration of H265 media subtype for High Efficiency Video Coding (H.265) payload format -- https://www.ietf.org/mail-archive/web/media-types/current/msg00588.html video/H.256 - x265 2.7+336 AVX512対応の効果 -- https://rigaya34589.blog.fc2.com/blog-entry-1017.html asm avx512 を渡すと単に CPU が対応してない時に警告を出すだけに見える(機能を使うかは自動判定?)。有効だと 5%〜10%ほど高速化されるらしい * 関連 [#rel] - [[x262]] | [[x264]] - [[HEVC]] - [[FFmpeg]] - [[HEIF]]