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HEVC | FileFormat > ImageFormat

• http://nokiatech.github.io/heif/index.html

• https://github.com/nokiatech/heif
• https://github.com/nokiatech/heif/tree/gh-pages/js

仕様

• Technical information
  • http://nokiatech.github.io/heif/technical.html (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

バイナリ形式

• MPEG#fileformat
• ISOBMFF#format

  pitm: Primari Item
  infe: Information Entry

• JPEG2000#format

  iloc: Item Location

• High Efficiency Image File Format - WWDC 2017
  • https://developer.apple.com/videos/play/wwdc2017/513/ (PDF) (cache)

• http://biblio.telecom-paristech.fr/cgi-bin/download.cgi?id=15849

サンプルファイル

• 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/ (説明)

その他

• 「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/

関連

• MPEG
• BPG
• MP4Box