[[H.265]]/[[HEVC]] | [[FileFormat#graphics]] > [[ImageFormat]] > [[HEIF]] * 公式 [#official] ** MPEG [#h6f39db2] - https://mpeg.chiariglione.org/standards/mpeg-h/image-file-format -- http://mp4ra.org/ - ISO / IEC 23008-12 -- http://mpeg.chiariglione.org/standards/mpeg-h/image-file-format/draft-text-isoiec-fdis-23008-12-carriage-still-image-and-image --- w15234-image-FF-draft-FDIS-cover ** Nokia [#nokia] - http://nokiatech.github.io/heif/index.html -- http://nokiatech.github.io/heif/technical.html -- https://github.com/nokiatech/heif --- https://github.com/nokiatech/heif/tree/gh-pages/js - 開発者 -- https://www.linkedin.com/in/emre-baris-aksu-8100245/ -- https://www.linkedin.com/in/lasseheikkila/ (Vincit) -- https://www.linkedin.com/in/vinodmv/ ** Apple [#apple] - Working with HEIF and HEVC -- https://developer.apple.com/videos/play/wwdc2017/511/ ([https://devstreaming-cdn.apple.com/videos/wwdc/2017/513fzgbviu23l/513/513_high_efficiency_image_file_format.pdf slide]) - High Efficiency Image File Format -- https://developer.apple.com/videos/play/wwdc2017/513/ ([https://devstreaming-cdn.apple.com/videos/wwdc/2017/511tj33587vdhds/511/511_working_with_heif_and_hevc.pdf slide]) - Capturing Depth in iPhone Photography -- https://developer.apple.com/videos/play/wwdc2017/507/ ([https://devstreaming-cdn.apple.com/videos/wwdc/2017/507koao27wdpt/507/507_capturing_depth_in_iphone_photography.pdf slide]) * 仕様 [#spec] - Technical information -- http://nokiatech.github.io/heif/technical.html ([http://nokiatech.github.io/heif/img/isobmff.png isobmff.png]) - LASSE HEIKKILÄ HIGH EFFICIENCY IMAGE FILE FORMAT IMPLEMENTATION -- https://dspace.cc.tut.fi/dpub/bitstream/handle/123456789/24147/heikkila.pdf - Overview of the High Efficiency Image File Format -- http://phenix.int-evry.fr/jct/doc_end_user/current_document.php?id=10265 JCTVC-V0072.doc ** バイナリ形式 [#format] - [[HEIF/Box]] - High Efficiency Image File Format - WWDC 2017 -- https://developer.apple.com/videos/play/wwdc2017/513/ ([https://devstreaming-cdn.apple.com/videos/wwdc/2017/513fzgbviu23l/513/513_high_efficiency_image_file_format.pdf PDF]) ([http://www.awm.jp/~yoya/cache/devstreaming-cdn.apple.com/videos/wwdc/2017/513fzgbviu23l/513/513_high_efficiency_image_file_format.pdf cache]) - http://biblio.telecom-paristech.fr/cgi-bin/download.cgi?id=15849 * ツール [#tool] - GPAC support for HEIF -- https://gpac.wp.imt.fr/2017/06/09/gpac-support-for-heif/ --- [[GPAC]] - [[MP4Box]] - JPEG =(ffmpeg + x265)=> HEVC =(MP4Box)=> HEIF(.heic) % ffmpeg -i test.jpg -loglevel warning -pix_fmt yuv420p -vcodec libx265 -f hevc \ -x265-params log-level=1 -crf 12 -preset slower test.hevc % MP4Box -add-image test.hevc -quiet -ab heic -new test.heic - ダンプ MP4Box -std -diso test.heic > test.heic.xml - JPEG =(ffmpeg + x265)=> HEVC =([[IO_HEIF]])=> HEIF(.heic) * ライブラリ [#library] - https://github.com/nokiatech/heif - https://github.com/strukturag/libheif/ (もしかして完全オリジナル?) -- https://twitter.com/NielsMache/status/946068315448987648 -- https://twitter.com/NielsMache/status/939943440879620096 - https://github.com/monostream/tifig (nokiatech のライブラリを使ってるだけ) * サンプル画像 [#lbeabc33] - https://github.com/nokiatech/heif/tree/gh-pages/content/images - http://download.tsi.telecom-paristech.fr/gpac/MPEG/ISOBMFF-Conformance/heif/ - http://download.tsi.telecom-paristech.fr/gpac/MPEG/IFF/Conformance/ ([http://biblio.telecom-paristech.fr/cgi-bin/download.cgi?id=16601 説明]) * JavaScript [#gb17ee19] - https://github.com/nokiatech/heif/wiki/IV.-HEIF-Reader-JavaScript-Implementation * その他 [#m7e87f57] - 「HEIF」ってなに?高画質で軽量化!iOS11から変わるiPhone写真の保存形式を調べてみた -- http://photolog.aiko15.com/10141/ - macOS 10.13であらたにサポートされたHEIF画像をJPEGに変換 -- http://piyocast.com/as/archives/4851 - https://linustechtips.com/main/topic/791592-apple-abandons-jpeg-in-favor-of-heifhevc/ - Apple Abandons JPEG In Favor of HEIF/HEVC -- https://linustechtips.com/main/topic/791592-apple-abandons-jpeg-in-favor-of-heifhevc/ * * yohhoy [#yohhoy] - https://github.com/yohhoy/heic2hevc - お手軽なHEIFファイルの作成・表示方法 -- https://qiita.com/yohhoy/items/fac992c335fa4fbbbbea - H.265/HEVC特許暗黒時代 -- https://qiita.com/yohhoy/items/c2579097a507b1fbdddb * 関連 [#rel] - [[MPEG]] - [[BPG]] - [[MP4Box]] - [[FFmpeg]] |