2025-07-24 13:55:40 +02:00

648 lines
18 KiB
Nix

{
lib,
stdenv,
fetchurl,
fetchFromGitHub,
cmake,
pkg-config,
unzip,
zlib,
pcre2,
hdf5,
boost,
glib,
glog,
gflags,
protobuf_21,
config,
ocl-icd,
qimgv,
opencv4,
enableJPEG ? true,
libjpeg,
enablePNG ? true,
libpng,
enableTIFF ? true,
libtiff,
enableWebP ? true,
libwebp,
enableEXR ? !stdenv.hostPlatform.isDarwin,
openexr,
enableJPEG2000 ? true,
openjpeg,
enableEigen ? true,
eigen,
enableBlas ? true,
blas,
enableVA ? !stdenv.hostPlatform.isDarwin,
libva,
enableContrib ? true,
enableCuda ? config.cudaSupport,
enableCublas ? enableCuda,
enableCudnn ? false, # NOTE: CUDNN has a large impact on closure size so we disable it by default
enableCufft ? enableCuda,
cudaPackages,
nvidia-optical-flow-sdk,
enableLto ? true,
enableUnfree ? false,
enableIpp ? false,
enablePython ? false,
pythonPackages,
enableGtk2 ? false,
gtk2,
enableGtk3 ? false,
gtk3,
enableVtk ? false,
vtk,
enableFfmpeg ? true,
ffmpeg,
enableGStreamer ? true,
elfutils,
gst_all_1,
orc,
libunwind,
zstd,
enableTesseract ? false,
tesseract,
leptonica,
enableTbb ? false,
tbb,
enableOvis ? false,
ogre,
enableGPhoto2 ? false,
libgphoto2,
enableDC1394 ? false,
libdc1394,
enableDocs ? false,
doxygen,
graphviz-nox,
runAccuracyTests ? true,
runPerformanceTests ? false,
# Modules to enable via BUILD_LIST to build a customized opencv.
# An empty lists means this setting is omitted which matches upstreams default.
enabledModules ? [ ],
bzip2,
callPackage,
}@inputs:
let
inherit (lib.attrsets) mapAttrsToList optionalAttrs;
inherit (lib.lists) last optionals;
inherit (lib.strings)
cmakeBool
cmakeFeature
cmakeOptionType
concatStrings
concatStringsSep
optionalString
;
inherit (lib.trivial) flip;
version = "4.11.0";
# It's necessary to consistently use backendStdenv when building with CUDA
# support, otherwise we get libstdc++ errors downstream
stdenv = throw "Use effectiveStdenv instead";
effectiveStdenv = if enableCuda then cudaPackages.backendStdenv else inputs.stdenv;
src = fetchFromGitHub {
owner = "opencv";
repo = "opencv";
tag = version;
hash = "sha256-oiU4CwoMfuUbpDtujJVTShMCzc5GsnIaprC4DzkSzEM=";
};
contribSrc = fetchFromGitHub {
owner = "opencv";
repo = "opencv_contrib";
tag = version;
hash = "sha256-YNd96qFJ8SHBgDEEsoNps888myGZdELbbuYCae9pW3M=";
};
testDataSrc = fetchFromGitHub {
owner = "opencv";
repo = "opencv_extra";
tag = version;
hash = "sha256-EqlGlemztYlk03MX1LAviArWT+OA3/qL3jfgHYC+SP8=";
};
# Contrib must be built in order to enable Tesseract support:
buildContrib = enableContrib || enableTesseract || enableOvis;
# See opencv/3rdparty/ippicv/ippicv.cmake
ippicv = {
src =
fetchFromGitHub {
owner = "opencv";
repo = "opencv_3rdparty";
rev = "7f55c0c26be418d494615afca15218566775c725";
hash = "sha256-XbmS+FXUL8MAG7kawbDkb2XHG9R0DpPhiYhq/18eTnY=";
}
+ "/ippicv";
files =
let
name = platform: "ippicv_2021.10.0_${platform}_20230919_general.tgz";
in
if effectiveStdenv.hostPlatform.system == "x86_64-linux" then
{ ${name "lnx_intel64"} = ""; }
else if effectiveStdenv.hostPlatform.system == "i686-linux" then
{ ${name "lnx_ia32"} = ""; }
else if effectiveStdenv.hostPlatform.system == "x86_64-darwin" then
{ ${name "mac_intel64"} = ""; }
else
throw "ICV is not available for this platform (or not yet supported by this package)";
dst = ".cache/ippicv";
};
# See opencv_contrib/modules/xfeatures2d/cmake/download_vgg.cmake
vgg = {
src = fetchFromGitHub {
owner = "opencv";
repo = "opencv_3rdparty";
rev = "fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d";
hash = "sha256-fjdGM+CxV1QX7zmF2AiR9NDknrP2PjyaxtjT21BVLmU=";
};
files = {
"vgg_generated_48.i" = "e8d0dcd54d1bcfdc29203d011a797179";
"vgg_generated_64.i" = "7126a5d9a8884ebca5aea5d63d677225";
"vgg_generated_80.i" = "7cd47228edec52b6d82f46511af325c5";
"vgg_generated_120.i" = "151805e03568c9f490a5e3a872777b75";
};
dst = ".cache/xfeatures2d/vgg";
};
# See opencv_contrib/modules/xfeatures2d/cmake/download_boostdesc.cmake
boostdesc = {
src = fetchFromGitHub {
owner = "opencv";
repo = "opencv_3rdparty";
rev = "34e4206aef44d50e6bbcd0ab06354b52e7466d26";
sha256 = "13yig1xhvgghvxspxmdidss5lqiikpjr0ddm83jsi0k85j92sn62";
};
files = {
"boostdesc_bgm.i" = "0ea90e7a8f3f7876d450e4149c97c74f";
"boostdesc_bgm_bi.i" = "232c966b13651bd0e46a1497b0852191";
"boostdesc_bgm_hd.i" = "324426a24fa56ad9c5b8e3e0b3e5303e";
"boostdesc_binboost_064.i" = "202e1b3e9fec871b04da31f7f016679f";
"boostdesc_binboost_128.i" = "98ea99d399965c03d555cef3ea502a0b";
"boostdesc_binboost_256.i" = "e6dcfa9f647779eb1ce446a8d759b6ea";
"boostdesc_lbgm.i" = "0ae0675534aa318d9668f2a179c2a052";
};
dst = ".cache/xfeatures2d/boostdesc";
};
# See opencv_contrib/modules/face/CMakeLists.txt
face = {
src = fetchFromGitHub {
owner = "opencv";
repo = "opencv_3rdparty";
rev = "8afa57abc8229d611c4937165d20e2a2d9fc5a12";
hash = "sha256-m9yF4kfmpRJybohdRwUTmboeU+SbZQ6F6gm32PDWNBg=";
};
files = {
"face_landmark_model.dat" = "7505c44ca4eb54b4ab1e4777cb96ac05";
};
dst = ".cache/data";
};
# See opencv/modules/gapi/cmake/DownloadADE.cmake
ade = rec {
src = fetchurl {
url = "https://github.com/opencv/ade/archive/${name}";
hash = "sha256-O+Yshk3N2Lkl6S9qWxWnoDmBngSms88IiCfwjPLMB78=";
};
name = "v0.1.2e.zip";
md5 = "962ce79e0b95591f226431f7b5f152cd";
dst = ".cache/ade";
};
# See opencv_contrib/modules/wechat_qrcode/CMakeLists.txt
wechat_qrcode = {
src = fetchFromGitHub {
owner = "opencv";
repo = "opencv_3rdparty";
rev = "a8b69ccc738421293254aec5ddb38bd523503252";
hash = "sha256-/n6zHwf0Rdc4v9o4rmETzow/HTv+81DnHP+nL56XiTY=";
};
files = {
"detect.caffemodel" = "238e2b2d6f3c18d6c3a30de0c31e23cf";
"detect.prototxt" = "6fb4976b32695f9f5c6305c19f12537d";
"sr.caffemodel" = "cbfcd60361a73beb8c583eea7e8e6664";
"sr.prototxt" = "69db99927a70df953b471daaba03fbef";
};
dst = ".cache/wechat_qrcode";
};
# See opencv/cmake/OpenCVDownload.cmake
installExtraFiles =
{
dst,
files,
src,
...
}:
''
mkdir -p "${dst}"
''
+ concatStrings (
flip mapAttrsToList files (
name: md5: ''
ln -s "${src}/${name}" "${dst}/${md5}-${name}"
''
)
);
installExtraFile =
{
dst,
md5,
name,
src,
...
}:
''
mkdir -p "${dst}"
ln -s "${src}" "${dst}/${md5}-${name}"
'';
withOpenblas = (enableBlas && blas.provider.pname == "openblas");
#multithreaded openblas conflicts with opencv multithreading, which manifest itself in hung tests
#https://github.com/OpenMathLib/OpenBLAS/wiki/Faq/4bded95e8dc8aadc70ce65267d1093ca7bdefc4c#multi-threaded
openblas_ = blas.provider.override { singleThreaded = true; };
inherit (cudaPackages.flags) cmakeCudaArchitecturesString cudaCapabilities;
in
effectiveStdenv.mkDerivation {
pname = "opencv";
inherit version src;
outputs = [
"out"
"cxxdev"
]
++ optionals (runAccuracyTests || runPerformanceTests) [
"package_tests"
];
cudaPropagateToOutput = "cxxdev";
postUnpack = optionalString buildContrib ''
cp --no-preserve=mode -r "${contribSrc}/modules" "$NIX_BUILD_TOP/source/opencv_contrib"
'';
# Ensures that we use the system OpenEXR rather than the vendored copy of the source included with OpenCV.
patches = [
./cmake-don-t-use-OpenCVFindOpenEXR.patch
]
++ optionals enableCuda [
./cuda_opt_flow.patch
];
# This prevents cmake from using libraries in impure paths (which
# causes build failure on non NixOS)
postPatch = ''
sed -i '/Add these standard paths to the search paths for FIND_LIBRARY/,/^\s*$/{d}' CMakeLists.txt
'';
preConfigure =
installExtraFile ade
+ optionalString enableIpp (installExtraFiles ippicv)
+ (optionalString buildContrib ''
cmakeFlagsArray+=("-DOPENCV_EXTRA_MODULES_PATH=$NIX_BUILD_TOP/source/opencv_contrib")
${installExtraFiles vgg}
${installExtraFiles boostdesc}
${installExtraFiles face}
${installExtraFiles wechat_qrcode}
'');
postConfigure = ''
[ -e modules/core/version_string.inc ]
echo '"(build info elided)"' > modules/core/version_string.inc
'';
buildInputs = [
boost
gflags
glib
glog
pcre2
protobuf_21
zlib
]
++ optionals enablePython [
pythonPackages.python
]
++ optionals (effectiveStdenv.buildPlatform == effectiveStdenv.hostPlatform) [
hdf5
]
++ optionals enableGtk2 [
gtk2
]
++ optionals enableGtk3 [
gtk3
]
++ optionals enableVtk [
vtk
]
++ optionals enableJPEG [
libjpeg
]
++ optionals enablePNG [
libpng
]
++ optionals enableTIFF [
libtiff
]
++ optionals enableWebP [
libwebp
]
++ optionals enableEXR [
openexr
]
++ optionals enableJPEG2000 [
openjpeg
]
++ optionals enableFfmpeg [
ffmpeg
]
++ optionals (enableGStreamer && effectiveStdenv.hostPlatform.isLinux) [
elfutils
gst_all_1.gst-plugins-base
gst_all_1.gst-plugins-good
gst_all_1.gstreamer
libunwind
orc
zstd
]
++ optionals enableOvis [
ogre
]
++ optionals enableGPhoto2 [
libgphoto2
]
++ optionals enableDC1394 [
libdc1394
]
++ optionals enableEigen [
eigen
]
++ optionals enableVA [
libva
]
++ optionals enableBlas [
blas.provider
]
++ optionals enableTesseract [
# There is seemingly no compile-time flag for Tesseract. It's
# simply enabled automatically if contrib is built, and it detects
# tesseract & leptonica.
tesseract
leptonica
]
++ optionals enableTbb [
tbb
]
++ optionals effectiveStdenv.hostPlatform.isDarwin [
bzip2
]
++ optionals enableDocs [
doxygen
graphviz-nox
]
++ optionals enableCuda [
cudaPackages.cuda_cudart
cudaPackages.cuda_cccl # <thrust/*>
cudaPackages.libnpp # npp.h
nvidia-optical-flow-sdk
]
++ optionals enableCublas [
# May start using the default $out instead once
# https://github.com/NixOS/nixpkgs/issues/271792
# has been addressed
cudaPackages.libcublas # cublas_v2.h
]
++ optionals enableCudnn [
cudaPackages.cudnn # cudnn.h
]
++ optionals enableCufft [
cudaPackages.libcufft # cufft.h
];
propagatedBuildInputs = optionals enablePython [ pythonPackages.numpy ];
nativeBuildInputs = [
cmake
pkg-config
unzip
]
++ optionals enablePython (
[
pythonPackages.pip
pythonPackages.wheel
pythonPackages.setuptools
]
++ optionals (effectiveStdenv.hostPlatform == effectiveStdenv.buildPlatform) [
pythonPackages.pythonImportsCheckHook
]
)
++ optionals enableCuda [
cudaPackages.cuda_nvcc
];
# Configure can't find the library without this.
OpenBLAS_HOME = optionalString withOpenblas openblas_.dev;
OpenBLAS = optionalString withOpenblas openblas_;
cmakeFlags = [
(cmakeBool "OPENCV_GENERATE_PKGCONFIG" true)
(cmakeBool "WITH_OPENMP" true)
(cmakeBool "BUILD_PROTOBUF" false)
(cmakeBool "WITH_PROTOBUF" true)
(cmakeBool "PROTOBUF_UPDATE_FILES" true)
(cmakeBool "OPENCV_ENABLE_NONFREE" enableUnfree)
(cmakeBool "BUILD_TESTS" runAccuracyTests)
(cmakeBool "BUILD_PERF_TESTS" runPerformanceTests)
(cmakeBool "CMAKE_SKIP_BUILD_RPATH" true)
(cmakeBool "BUILD_DOCS" enableDocs)
# "OpenCV disables pkg-config to avoid using of host libraries. Consider using PKG_CONFIG_LIBDIR to specify target SYSROOT"
# but we have proper separation of build and host libs :), fixes cross
(cmakeBool "OPENCV_ENABLE_PKG_CONFIG" true)
(cmakeBool "WITH_IPP" enableIpp)
(cmakeBool "WITH_TIFF" enableTIFF)
(cmakeBool "WITH_WEBP" enableWebP)
(cmakeBool "WITH_JPEG" enableJPEG)
(cmakeBool "WITH_PNG" enablePNG)
(cmakeBool "WITH_OPENEXR" enableEXR)
(cmakeBool "WITH_OPENJPEG" enableJPEG2000)
(cmakeBool "WITH_JASPER" false) # OpenCV falls back to a vendored copy of Jasper when OpenJPEG is disabled
(cmakeBool "WITH_TBB" enableTbb)
# CUDA options
(cmakeBool "WITH_CUDA" enableCuda)
(cmakeBool "WITH_CUBLAS" enableCublas)
(cmakeBool "WITH_CUDNN" enableCudnn)
(cmakeBool "WITH_CUFFT" enableCufft)
# LTO options
(cmakeBool "ENABLE_LTO" enableLto)
(cmakeBool "ENABLE_THIN_LTO" (
enableLto
&& (
# Only clang supports thin LTO, so we must either be using clang through the effectiveStdenv,
effectiveStdenv.cc.isClang
||
# or through the backend effectiveStdenv.
(enableCuda && effectiveStdenv.cc.isClang)
)
))
]
++ optionals enableCuda [
(cmakeBool "CUDA_FAST_MATH" true)
(cmakeFeature "CUDA_NVCC_FLAGS" "--expt-relaxed-constexpr")
# OpenCV respects at least three variables:
# -DCUDA_GENERATION takes a single arch name, e.g. Volta
# -DCUDA_ARCH_BIN takes a semi-colon separated list of real arches, e.g. "8.0;8.6"
# -DCUDA_ARCH_PTX takes the virtual arch, e.g. "8.6"
(cmakeFeature "CUDA_ARCH_BIN" cmakeCudaArchitecturesString)
(cmakeFeature "CUDA_ARCH_PTX" (last cudaCapabilities))
(cmakeOptionType "path" "NVIDIA_OPTICAL_FLOW_2_0_HEADERS_PATH" nvidia-optical-flow-sdk.outPath)
]
++ optionals effectiveStdenv.hostPlatform.isDarwin [
(cmakeBool "WITH_OPENCL" false)
(cmakeBool "WITH_LAPACK" false)
# Disable unnecessary vendoring that's enabled by default only for Darwin.
# Note that the opencvFlag feature flags listed above still take
# precedence, so we can safely list everything here.
(cmakeBool "BUILD_ZLIB" false)
(cmakeBool "BUILD_TIFF" false)
(cmakeBool "BUILD_OPENJPEG" false)
(cmakeBool "BUILD_JASPER" false)
(cmakeBool "BUILD_JPEG" false)
(cmakeBool "BUILD_PNG" false)
(cmakeBool "BUILD_WEBP" false)
]
++ optionals (!effectiveStdenv.hostPlatform.isDarwin) [
(cmakeOptionType "path" "OPENCL_LIBRARY" "${ocl-icd}/lib/libOpenCL.so")
]
++ optionals enablePython [
(cmakeOptionType "path" "OPENCV_PYTHON_INSTALL_PATH" pythonPackages.python.sitePackages)
]
++ optionals (enabledModules != [ ]) [
(cmakeFeature "BUILD_LIST" (concatStringsSep "," enabledModules))
];
postBuild = optionalString enableDocs ''
make doxygen
'';
preInstall =
optionalString (runAccuracyTests || runPerformanceTests) ''
mkdir $package_tests
cp -R $src/samples $package_tests/
''
+ optionalString runAccuracyTests ''
mv ./bin/*test* $package_tests/
''
+ optionalString runPerformanceTests ''
mv ./bin/*perf* $package_tests/
'';
# By default $out/lib/pkgconfig/opencv4.pc looks something like this:
#
# prefix=/nix/store/g0wnfyjjh4rikkvp22cpkh41naa43i4i-opencv-4.0.0
# exec_prefix=${prefix}
# libdir=${exec_prefix}//nix/store/g0wnfyjjh4rikkvp22cpkh41naa43i4i-opencv-4.0.0/lib
# includedir_old=${prefix}//nix/store/g0wnfyjjh4rikkvp22cpkh41naa43i4i-opencv-4.0.0/include/opencv4/opencv
# includedir_new=${prefix}//nix/store/g0wnfyjjh4rikkvp22cpkh41naa43i4i-opencv-4.0.0/include/opencv4
# ...
# Libs: -L${exec_prefix}//nix/store/g0wnfyjjh4rikkvp22cpkh41naa43i4i-opencv-4.0.0/lib ...
# Note that ${exec_prefix} is set to $out but that $out is also appended to
# ${exec_prefix}. This causes linker errors in downstream packages so we strip
# of $out after the ${exec_prefix} and ${prefix} prefixes:
postInstall = ''
sed -i "s|{exec_prefix}/$out|{exec_prefix}|;s|{prefix}/$out|{prefix}|" \
"$out/lib/pkgconfig/opencv4.pc"
mkdir "$cxxdev"
''
# fix deps not propagating from opencv4.cxxdev if cuda is disabled
# see https://github.com/NixOS/nixpkgs/issues/276691
+ optionalString (!enableCuda) ''
mkdir -p "$cxxdev/nix-support"
echo "''${!outputDev}" >> "$cxxdev/nix-support/propagated-build-inputs"
''
# remove the requirement that the exact same version of CUDA is used in packages
# consuming OpenCV's CMakes files
+ optionalString enableCuda ''
substituteInPlace "$out/lib/cmake/opencv4/OpenCVConfig.cmake" \
--replace-fail \
'find_host_package(CUDA ''${OpenCV_CUDA_VERSION} EXACT REQUIRED)' \
'find_host_package(CUDAToolkit REQUIRED)' \
--replace-fail \
'message(FATAL_ERROR "OpenCV static library was compiled with CUDA' \
'message("OpenCV static library was compiled with CUDA'
''
# install python distribution information, so other packages can `import opencv`
+ optionalString enablePython ''
pushd $NIX_BUILD_TOP/$sourceRoot/modules/python/package
python -m pip wheel --verbose --no-index --no-deps --no-clean --no-build-isolation --wheel-dir dist .
pushd dist
python -m pip install ./*.whl --no-index --no-warn-script-location --prefix="$out" --no-cache
popd
popd
'';
pythonImportsCheck = [
"cv2"
"cv2.sfm"
];
passthru = {
cudaSupport = enableCuda;
tests = {
inherit (gst_all_1) gst-plugins-bad;
}
// optionalAttrs (!effectiveStdenv.hostPlatform.isDarwin) {
inherit qimgv;
withIpp = opencv4.override { enableIpp = true; };
}
// optionalAttrs (!enablePython) { pythonEnabled = pythonPackages.opencv4; }
// optionalAttrs (effectiveStdenv.buildPlatform != "x86_64-darwin") {
opencv4-tests = callPackage ./tests.nix {
inherit
enableGStreamer
enableGtk2
enableGtk3
runAccuracyTests
runPerformanceTests
testDataSrc
;
inherit opencv4;
};
}
// optionalAttrs (enableCuda) {
no-libstdcxx-errors = callPackage ./libstdcxx-test.nix { attrName = "opencv4"; };
};
}
// optionalAttrs enablePython { pythonPath = [ ]; };
meta = {
description = "Open Computer Vision Library with more than 500 algorithms";
homepage = "https://opencv.org/";
license = if enableUnfree then lib.licenses.unfree else lib.licenses.bsd3;
maintainers = with lib.maintainers; [ basvandijk ];
platforms = lib.platforms.unix;
};
}