87 lines
2.5 KiB
Nix
87 lines
2.5 KiB
Nix
{ lib, stdenv, fetchzip, yasm, perl, cmake, pkg-config, python3
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, enableVmaf ? true, libvmaf
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, gitUpdater
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}:
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let
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isCross = stdenv.buildPlatform != stdenv.hostPlatform;
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in
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stdenv.mkDerivation rec {
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pname = "libaom";
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version = "3.8.2";
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src = fetchzip {
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url = "https://aomedia.googlesource.com/aom/+archive/v${version}.tar.gz";
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hash = "sha256-x152jIe7QxeprFEFJnXBfou8yHuW0oHImLIVkSxByWw=";
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stripRoot = false;
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};
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patches = [ ./outputs.patch ];
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nativeBuildInputs = [
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yasm perl cmake pkg-config python3
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];
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propagatedBuildInputs = lib.optional enableVmaf libvmaf;
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preConfigure = ''
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# build uses `git describe` to set the build version
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cat > $NIX_BUILD_TOP/git << "EOF"
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#!${stdenv.shell}
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echo v${version}
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EOF
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chmod +x $NIX_BUILD_TOP/git
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export PATH=$NIX_BUILD_TOP:$PATH
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'';
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# Configuration options:
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# https://aomedia.googlesource.com/aom/+/refs/heads/master/build/cmake/aom_config_defaults.cmake
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cmakeFlags = [
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"-DBUILD_SHARED_LIBS=ON"
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"-DENABLE_TESTS=OFF"
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] ++ lib.optionals enableVmaf [
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"-DCONFIG_TUNE_VMAF=1"
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] ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
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# CPU detection isn't supported on Darwin and breaks the aarch64-darwin build:
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"-DCONFIG_RUNTIME_CPU_DETECT=0"
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] ++ lib.optionals (isCross && !stdenv.hostPlatform.isx86) [
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"-DCMAKE_ASM_COMPILER=${stdenv.cc.targetPrefix}as"
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] ++ lib.optionals stdenv.isAarch32 [
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# armv7l-hf-multiplatform does not support NEON
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# see lib/systems/platform.nix
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"-DENABLE_NEON=0"
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];
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postFixup = ''
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moveToOutput lib/libaom.a "$static"
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'' + lib.optionalString stdenv.hostPlatform.isStatic ''
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ln -s $static $out
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'';
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outputs = [ "out" "bin" "dev" "static" ];
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passthru = {
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updateScript = gitUpdater {
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url = "https://aomedia.googlesource.com/aom";
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rev-prefix = "v";
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ignoredVersions = "(alpha|beta|rc).*";
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};
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};
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meta = with lib; {
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description = "Alliance for Open Media AV1 codec library";
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longDescription = ''
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Libaom is the reference implementation of the AV1 codec from the Alliance
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for Open Media. It contains an AV1 library as well as applications like
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an encoder (aomenc) and a decoder (aomdec).
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'';
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homepage = "https://aomedia.org/av1-features/get-started/";
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changelog = "https://aomedia.googlesource.com/aom/+/refs/tags/v${version}/CHANGELOG";
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maintainers = with maintainers; [ primeos kiloreux dandellion ];
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platforms = platforms.all;
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outputsToInstall = [ "bin" ];
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license = licenses.bsd2;
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};
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}
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