davif
| Status | |
|---|---|
| Linux |  |
| Linux(.deb) |  |
| macOS |  |
| Windows |
Description (en)
avif decoder, using dav1d directly.
avif (AV1 Image File Format) is a still picture format uses a keyframe of AV1.
Description (ja)
AVIF(AV1 Image File Format)は、動画フォーマットであるAV1のキーフレームを流用して圧縮する静止画フォーマットです。
davifは、ラッパーを介さずdav1dを直接叩くavifのデコード・コマンドです。
how to build
# pre-requirements
# If your system cmake is lower than 3.13, please install latest version:
# https://apt.kitware.com/
# cloning this repository with dependencies.
git clone --recurse-submodules --recursive [email protected]:link-u/davif.git
cd davif
# System gcc is 8.0 or higher:
cmake ..
# If not, please install gcc-8 (or higher) and tell them to CMake.
CXX=g++-8 CC=gcc-8 cmake ..
# build davif binary.
make davif
# decode an avif image.
./davif -i input.avif -o output.pngusage
% davif
[2020/03/18 15:40:21 INFO ] davif
[2020/03/18 15:40:21 DEBUG] - dav1d ver: 0.6.0-13-gfe52bff
SYNOPSIS
davif -i <input.avif> -o <output.png> [--extract-alpha <output-alpha.png>] [--extract-depth
<output-depth.png>] [--threads <Num of threads to use>]Example avif files are available in AOMediaCodec/av1-avif or link-u/avif-sample-images.
(Currently, detailed documentation is only in Japanese)
TODO
- Add more and more command-line flags.
Related repositories
- link-u/cavif - avif encoder, using libaom directly.
- link-u/libavif-container - a library to parse avif container.
- link-u/avif-sample-images - sample images from us.