HEIF
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| − | '''HEIF''' (High Efficiency Image File Format) is the lossy image and animation format defined by [[MPEG-H]] Part 12 (ISO/IEC 23008-12). It is based on [[ISO Base Media File Format|ISO-BMFF]], and supports arbitrary colorspaces, codecs, and compositing of images, with [[HEVC]], [[H.264|AVC]], and [[JPEG]] being defined in the initial spec. | + | '''HEIF''' (High Efficiency Image File Format) is the lossy image and animation format defined by [[MPEG-H]] Part 12 (ISO/IEC 23008-12). It is based on [[ISO Base Media File Format|ISO-BMFF]], and supports arbitrary colorspaces, codecs, and compositing of images, with [[HEVC]], [[H.264|AVC]], and [[JPEG]] being defined in the initial spec. HEIC is a container format for HEIF images. |
== Format details == | == Format details == | ||
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* [https://github.com/strukturag/libheif libheif] | * [https://github.com/strukturag/libheif libheif] | ||
* [http://snisurset.net/code/abydos/ abydos] | * [http://snisurset.net/code/abydos/ abydos] | ||
| + | * [https://www.copytrans.net/copytransheic/ CopyTrans HEIC] | ||
== Sample files == | == Sample files == | ||
* Some of the links in [https://newsgroup.xnview.com/viewtopic.php?f=60&t=32568#p129428 this forum post] might still work | * Some of the links in [https://newsgroup.xnview.com/viewtopic.php?f=60&t=32568#p129428 this forum post] might still work | ||
* [https://github.com/thorsted/digicam_corpus/tree/master/Apple/iPhone%20XR iPhone XR sample images] | * [https://github.com/thorsted/digicam_corpus/tree/master/Apple/iPhone%20XR iPhone XR sample images] | ||
| − | * https:// | + | * {{DexvertSamples|image/heic}} |
| + | * https://nokiatech.github.io/heif/examples.html | ||
== Links == | == Links == | ||
Latest revision as of 04:00, 28 December 2023
HEIF (High Efficiency Image File Format) is the lossy image and animation format defined by MPEG-H Part 12 (ISO/IEC 23008-12). It is based on ISO-BMFF, and supports arbitrary colorspaces, codecs, and compositing of images, with HEVC, AVC, and JPEG being defined in the initial spec. HEIC is a container format for HEIF images.
Contents |
[edit] Format details
The standard defines:
- A still image ("image collection") container format, with brand
mif1. - An animated image ("image sequence") container format, with brand
msf1. - An image compression scheme, with brand
heic, based on HEVC. - Various other compression schemes, including AVC and JPEG.
- Compositing and layering of multiple images, including transparency.
The file extension .heic typically denotes single still images using HEVC in 8- or 10-bit. .heif may include any of the wider features.
The "HEIC" variation is used by some versions of Apple's iOS, when "High Efficiency" is selected as the storage option. (The alternative, "Most Compatible", uses JPEG.)
[edit] Identifiers
Based on source code and sample files, it usually uses the brands mif1 and heic. Some files may use other brands, such as msf1 and heix.
[edit] See also
[edit] Software
[edit] Sample files
- Some of the links in this forum post might still work
- iPhone XR sample images
- dexvert samples — image/heic
- https://nokiatech.github.io/heif/examples.html
[edit] Links
- Wikipedia: High Efficiency Image File Format
- HEIF information from the MPEG website
- What is the HEIF (or HEIC) Image Format?
- HEIF information from Nokia Technologies
- ISO/IEC 23008-12 (not free to download)
- How Apple is squeezing more photos into your iPhone
- Apple HEIC vs. students
See also MPEG-H#Links.
