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67 lines
2.0 KiB
Nix

with import <nixpkgs> { };
let
isCross = stdenv.buildPlatform != stdenv.hostPlatform;
in
stdenv.mkDerivation rec {
pname = "libaom";
version = "3.6.0";
src = fetchzip {
url = "https://aomedia.googlesource.com/aom/+archive/v${version}.tar.gz";
sha256 = "sha256-tt19UCsZP99rq6BYBSzSHecyIu4CiimD+P1f3CY2QEU=";
stripRoot = false;
};
patches = [ ./outputs.patch ];
nativeBuildInputs = [
yasm perl cmake pkg-config python3
];
preConfigure = ''
# build uses `git describe` to set the build version
cat > $NIX_BUILD_TOP/git << "EOF"
#!${stdenv.shell}
echo v${version}
EOF
chmod +x $NIX_BUILD_TOP/git
export PATH=$NIX_BUILD_TOP:$PATH
'';
# Configuration options:
# https://aomedia.googlesource.com/aom/+/refs/heads/master/build/cmake/aom_config_defaults.cmake
cmakeFlags = [
"-DBUILD_SHARED_LIBS=ON"
"-DCONFIG_SHARED=1"
"-DSTATIC_LINK_JXL=0"
"-DENABLE_TESTS=OFF"
] ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
# CPU detection isn't supported on Darwin and breaks the aarch64-darwin build:
"-DCONFIG_RUNTIME_CPU_DETECT=0"
] ++ lib.optionals (isCross && !stdenv.hostPlatform.isx86) [
"-DAS_EXECUTABLE=${stdenv.cc.targetPrefix}as"
] ++ lib.optionals stdenv.isAarch32 [
# armv7l-hf-multiplatform does not support NEON
# see lib/systems/platform.nix
"-DENABLE_NEON=0"
];
outputs = [ "out" ];
meta = with lib; {
description = "Alliance for Open Media AV1 codec library";
longDescription = ''
Libaom is the reference implementation of the AV1 codec from the Alliance
for Open Media. It contains an AV1 library as well as applications like
an encoder (aomenc) and a decoder (aomdec).
'';
homepage = "https://aomedia.org/av1-features/get-started/";
changelog = "https://aomedia.googlesource.com/aom/+/refs/tags/v${version}/CHANGELOG";
maintainers = with maintainers; [ primeos kiloreux dandellion ];
platforms = platforms.all;
outputsToInstall = [ ];
license = licenses.bsd2;
};
}