libavif-container

A library to parsing and writing avif container.

(It is not for neither decoding nor encoding.)

Related repositories

• avif-community/davif - avif decoder, using dav1d directly.
• avif-community/cavif - avif encoder, using libaom directly.
• avif-community/avif-sample-images - sample images from us.
• AOMediaCodec/av1-avif - test files from Microsoft and Netflix.

How to use

To clone this repo

git clone --recurse-submodules --recursive https://github.com/avif-community/libavif-container.git

From CMake

We suggest you to vendor this library to your repo using git submodule add.

# example: git submodule add <this repo> external/libavif-container
add_subdirectory(external/libavif-container)

# libavif-container depends on C++17 features,
# so we strongly recommended you to use C++17 or higher.
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# link to your library or executable
target_link_libraries(<your-target> libavif-container)

License

MIT

References

AV1 / AVIF

• AV1
  • AV1 Bitstream & Decoding Process Specification
• AVIF
  • AV1 Image File Format (AVIF)
  • AV1 Codec ISO Media File Format Binding
• Others
  • AVIF2018.pdf
  • A Technical Overview of AV1 | IEEE

ISOBMFF

• ISO - ISO/IEC 14496-12:2015
  Information technology - Coding of audio-visual objects
  Part 12: ISO base media file format
• ISO BMFF Byte Stream Format -
  W3C Working Group Note 04 October 2016

HEIF - MPEG-H Part 12 (ISO/IEC 23008-12)

• Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 12: Image File Format
• HEIF Technical Information - High Efficiency Image File Format
• nokiatech/heif: High Efficiency Image File Format

MIAF - MPEG-A Part 22 (ISO/IEC 23000-22:2019)

• ISO/IEC 23000-22:2019
  Information technology — Multimedia application format (MPEG-A) — Part 22: Multi-image application format (MIAF)
  • ISO/IEC 23000-22:2019/Amd 1:2021
  • ISO/IEC 23000-22:2019/Amd 2:2021

ComplianceWarden

• gpac/ComplianceWarden: A pluggable ISOBMFF (MP4/IFF) compliance checker
  • MPEG MIAF Conformance Software Wasm demo