# 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

# Apply workarounds
bash scripts/apply-patches.sh

# Build dependencies not managed by CMake.
bash scripts/build-deps.sh

# 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.png

% davif
[2022/03/29 18:01:20 INFO ] davif
[2022/03/29 18:01:20 INFO ]  - dav1d ver: 1.0.0-0-g99172b1
[2022/03/29 18:01:20 INFO ]  - libpng ver: 1.6.38.git
SYNOPSIS
        davif -i <input.avif> -o <output.png> [--extract-alpha <output-alpha.png>] [--extract-depth
              <output-depth.png>] [--threads <Num of threads to use>]

        davif -h

OPTIONS
        -h, --help  Show help and exit.