Content deleted Content added
Explanation of official MP4RA registar and ISO jargon. BRANDS. |
HEIF can contain multitude of encoding. Wikipedia readers must immediately know that its not a format but a container for those "any encodings". It can be even JPEG inside. |
||
Line 18:
| standard = ISO/IEC 23008-12 (MPEG-H Part 12)
}}
'''High Efficiency Image File Format''' ('''HEIF''') is an international standard defined by MPEG-H Part 12 (ISO/IEC 3008-12), first published by ISO in 2017. It is designed as a container for photographic images <u>in any image encoding</u>. '''HEIF is a special case of the general ISO BMFF format''', in which all data is encapsulated in typed boxes, with a mandatory ftyp box that is used to indicate particular file types. The initial specification for HEIF provided usage details for three compression schemes, the widely supported JPEG encoding for still raster images and two video encodings that are also applicable to still image items, namely Advanced Video Coding (AVC, aka MPEG-4, Part 10 and H.264) and High Efficiency Video Coding (HEVC aka PEG-H Part 2 and H.265).
ISO Base Media File Format official specification (of which HEIF is a special case) defines multiple subtypes in relations to possible encodings:
| |||