Gentoo Packages

media-libs/opencv (gentoo)

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Package Information

Description:
OpenCV (Open Source Computer Vision) is a library of programming functions mainly aimed at real time computer vision. Example applications of the OpenCV library are Human-Computer Interaction (HCI); Object Identification, Segmentation and Recognition; Face Recognition; Gesture Recognition; Motion Tracking, Ego Motion, Motion Understanding; Structure From Motion (SFM); and Mobile Robotics.
Homepage:
https://opencv.org

Versions

Version EAPI Keywords Slot
4.12.0-r1 8 amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86 0/4.12.0-r1
4.11.0-r1 8 amd64 ~arm arm64 ~loong ~ppc64 ~riscv x86 0/4.11.0-r1

Metadata

Description

Maintainers

Upstream

Raw Metadata XML 
<pkgmetadata>
	<maintainer type="person" proxied="yes">
		<email>negril.nx+gentoo@gmail.com</email>
		<name>Paul Zander</name>
	</maintainer>
	<maintainer type="project" proxied="proxy">
		<email>proxy-maint@gentoo.org</email>
		<name>Proxy Maintainers</name>
	</maintainer>
	<longdescription>
	OpenCV (Open Source Computer Vision) is a library of programming functions mainly aimed at real time computer vision.
	Example applications of the OpenCV library are Human-Computer Interaction (HCI); Object Identification, Segmentation and Recognition;
	Face Recognition; Gesture Recognition; Motion Tracking, Ego Motion, Motion Understanding; Structure From Motion (SFM); and Mobile Robotics.
	</longdescription>
	<use>
		<flag name="atlas">Use <pkg>sci-libs/atlas</pkg> for blas, lapack and sparse blas routines (Experimental!)</flag>
		<flag name="contrib">Install user contributed scripts from opencv_contrib (Experimental!)</flag>
		<flag name="contribcvv">Enable CVV in contrib</flag>
		<flag name="contribdnn" restrict="&gt;media-libs/opencv-4.11">Enable DNN module contrib (requires tinydnn)</flag>
		<flag name="contribdnn" restrict="&lt;media-libs/opencv-4.11">Enable DNN module</flag>
		<flag name="contribfreetype">Enable Drawing UTF-8 strings with <pkg>media-libs/freetype</pkg>&amp;<pkg>media-libs/harfbuzz</pkg></flag>
		<flag name="contribhdf">Enable HDF module (requires <pkg>sci-libs/hdf5</pkg>)</flag>
		<flag name="contribovis">Enable OGRE vision module support (<pkg>dev-games/ogre</pkg>)</flag>
		<flag name="contribsfm">Enable SFM module (requires USE="eigen gflags glog")</flag>
		<flag name="contribxfeatures2d" restrict="&gt;media-libs/opencv-4.8.1-r1">Enable xfeatures2d in contrib</flag>
		<flag name="contribxfeatures2d" restrict="&lt;=media-libs/opencv-4.8.1">Enables xfeatures2d and autodownload of samples in contrib</flag>
		<flag name="cuda">Enable NVIDIA Cuda computations support (Experimental!)</flag>
		<flag name="cudnn">Enable support for nVidia cuDNN library</flag>
		<flag name="dnnsamples">Enable dnn caffeemodel samples</flag>
		<flag name="eigen">Enable usage of <pkg>dev-cpp/eigen</pkg> for computations</flag>
		<flag name="features2d">Enable features2d module</flag>
		<flag name="gdal">Enable support for <pkg>sci-libs/gdal</pkg> library</flag>
		<flag name="gflags">Use Google's C++ argument parsing library (<pkg>dev-cpp/gflags</pkg>)</flag>
		<flag name="glog">Use Google's C++ logging library (<pkg>dev-cpp/glog</pkg>)</flag>
		<flag name="gtk3">Enable <pkg>x11-libs/gtk+</pkg>:3 support</flag>
		<flag name="jasper">Use <pkg>media-libs/jasper</pkg> for jpeg2k support</flag>
		<flag name="mkl">Use <pkg>sci-libs/mkl</pkg> for blas, lapack and sparse blas routines</flag>
		<flag name="non-free">Enable non-free components</flag>
		<flag name="opencvapps">Enable compilation with opencvapps</flag>
		<flag name="openni">Adds support for Kinect-like 3D sensors devices with <pkg>dev-libs/OpenNI</pkg></flag>
		<flag name="openni2">Adds support for Kinect-like 3D sensors devices with <pkg>dev-libs/OpenNI2</pkg> (should be preferred over openni)</flag>
		<flag name="quirc">Enable qrcode decoding via <pkg>media-libs/quirc</pkg></flag>
		<flag name="spng">Use <pkg>media-libs/libspng</pkg> for png support</flag>
		<flag name="tbb">Enable multithreading with the Intel Threads Building Block (<pkg>dev-cpp/tbb</pkg>)</flag>
		<flag name="tesseract">Use Google's OCR Engine</flag>
		<flag name="testprograms">Build and install programs for testing OpenCV (performance)</flag>
		<flag name="truetype">Enable <pkg>media-libs/freetype</pkg> support for gapi module</flag>
		<flag name="video_cards_intel">Enable Video Acceleration API for hardware decoding for Intel cards</flag>
		<flag name="vtk">Build new 3D visualization module viz based on <pkg>sci-libs/vtk</pkg></flag>
		<flag name="vulkan">Enable experimental Vulkan backend</flag>
		<flag name="wechat-qrcode">Enable wechat_qrcode module</flag>
	</use>
	<upstream>
		<changelog>https://github.com/opencv/opencv/wiki/ChangeLog</changelog>
		<doc>https://docs.opencv.org</doc>
		<remote-id type="cpe">cpe:/a:opencv:opencv</remote-id>
		<remote-id type="github">opencv/opencv</remote-id>
		<remote-id type="github">opencv/opencv_contrib</remote-id>
		<remote-id type="github">opencv/opencv_3rdparty</remote-id>
		<remote-id type="sourceforge">opencvlibrary</remote-id>
	</upstream>
</pkgmetadata>

Lint Warnings

USE Flags

Flag Description 4.12.0-r1 4.11.0-r1
${CPU_FEATURES_MAP[*]%:*} ⚠️ ✓ ✓
atlas Use <pkg>sci-libs/atlas</pkg> for blas, lapack and sparse blas routines (Experimental!) ✓ ✓
avif Add AV1 Image Format (AVIF) support ✓ ✓
contrib Install user contributed scripts from opencv_contrib (Experimental!) ✓ ✓
contribcvv Enable CVV in contrib ✓ ✓
contribdnn Enable DNN module contrib (requires tinydnn) ✓ ✓
contribfreetype Enable Drawing UTF-8 strings with <pkg>media-libs/freetype</pkg>&amp;<pkg>media-libs/harfbuzz</pkg> ✓ ✓
contribhdf Enable HDF module (requires <pkg>sci-libs/hdf5</pkg>) ✓ ✓
contribovis Enable OGRE vision module support (<pkg>dev-games/ogre</pkg>) ✓ ✓
contribsfm Enable SFM module (requires USE="eigen gflags glog") ✓ ✓
contribxfeatures2d Enable xfeatures2d in contrib ✓ ✓
cuda Enable NVIDIA Cuda computations support (Experimental!) ✓ ✓
cudnn Enable support for nVidia cuDNN library ✓ ✓
debug Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces ✓ ✓
dnnsamples Enable dnn caffeemodel samples ✗ ✓
doc Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally ✓ ✓
eigen Enable usage of <pkg>dev-cpp/eigen</pkg> for computations ⊕ ⊕
examples Install examples, usually source code ✓ ✓
features2d Enable features2d module ✓ ✓
ffmpeg Enable ffmpeg/libav-based audio/video codec support ⊕ ⊕
gdal Enable support for <pkg>sci-libs/gdal</pkg> library ✓ ✓
gflags Use Google's C++ argument parsing library (<pkg>dev-cpp/gflags</pkg>) ✓ ✓
gif Add GIF image support ✓ ✓
glog Use Google's C++ logging library (<pkg>dev-cpp/glog</pkg>) ✓ ✓
gphoto2 Add digital camera support ✓ ✓
gstreamer Add support for media-libs/gstreamer (Streaming media) ✓ ✓
gtk3 Enable <pkg>x11-libs/gtk+</pkg>:3 support ✓ ✓
ieee1394 Enable FireWire/iLink IEEE1394 support (dv, camera, ...) ✓ ✓
jasper Use <pkg>media-libs/jasper</pkg> for jpeg2k support ✓ ✓
java Add support for Java ✓ ✓
jpeg Add JPEG image support ✓ ✓
jpeg2k Support for JPEG 2000, a wavelet-based image compression format ✓ ✓
lapack Add support for the virtual/lapack numerical library ✓ ✓
mkl Use <pkg>sci-libs/mkl</pkg> for blas, lapack and sparse blas routines ✓ ✓
non-free Enable non-free components ✓ ✓
opencl Enable OpenCL support (computation on GPU) ✓ ✓
opencvapps Enable compilation with opencvapps ✓ ✓
openexr Support for the OpenEXR graphics file format ✓ ✓
opengl Add support for OpenGL (3D graphics) ✓ ✓
openmp Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp" ✓ ✓
openni Adds support for Kinect-like 3D sensors devices with <pkg>dev-libs/OpenNI</pkg> ✓ ✓
openni2 Adds support for Kinect-like 3D sensors devices with <pkg>dev-libs/OpenNI2</pkg> (should be preferred over openni) ✓ ✓
png Add support for libpng (PNG images) ✓ ✓
python Add optional support/bindings for the Python language ✓ ✓
qt6 Add support for the Qt 6 application and UI framework ✓ ✓
quirc Enable qrcode decoding via <pkg>media-libs/quirc</pkg> ✓ ✓
spng Use <pkg>media-libs/libspng</pkg> for png support ✓ ✓
tbb Enable multithreading with the Intel Threads Building Block (<pkg>dev-cpp/tbb</pkg>) ✓ ✓
tesseract Use Google's OCR Engine ✓ ✓
test Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently) ✓ ✓
testprograms Build and install programs for testing OpenCV (performance) ✓ ✓
tiff Add support for the TIFF image format ✓ ✓
truetype Enable <pkg>media-libs/freetype</pkg> support for gapi module ✓ ✓
v4l Enable support for video4linux (using linux-headers or userspace libv4l libraries) ✓ ✓
vaapi Enable Video Acceleration API for hardware decoding ✓ ✓
video_cards_intel Enable Video Acceleration API for hardware decoding for Intel cards ✓ ✓
vtk Build new 3D visualization module viz based on <pkg>sci-libs/vtk</pkg> ✓ ✓
vulkan Enable experimental Vulkan backend ✓ ✓
wayland Enable dev-libs/wayland backend ✓ ✓
webp Add support for the WebP image format ✓ ✓
wechat-qrcode Enable wechat_qrcode module ✓ ✗
xine Add support for the XINE movie libraries ✓ ✓

Files

Manifest

Type File Size Versions
DIST NVIDIAOpticalFlowSDK-edb50da3cf849840d680249aa6dbef248ebce2ca.tar.gz 8771 bytes 4.12.0-r1, 4.11.0-r1
DIST ade-0.1.2e.tar.gz 117054 bytes 4.12.0-r1, 4.11.0-r1
DIST opencv_3rdparty-34e4206aef44d50e6bbcd0ab06354b52e7466d26.tar.gz 397901 bytes 4.12.0-r1, 4.11.0-r1
DIST opencv_3rdparty-8afa57abc8229d611c4937165d20e2a2d9fc5a12.tar.gz 63301261 bytes 4.12.0-r1, 4.11.0-r1
DIST opencv_3rdparty-a8b69ccc738421293254aec5ddb38bd523503252.tar.gz 920403 bytes 4.12.0-r1, 4.11.0-r1
DIST opencv_3rdparty-b2bfc75f6aea5b1f834ff0f0b865a7c18ff1459f.tar.gz 10036903 bytes 4.12.0-r1, 4.11.0-r1
DIST opencv_3rdparty-fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d.tar.gz 1470898 bytes 4.12.0-r1, 4.11.0-r1
DIST opencv_contrib-4.10.0-3607.patch 29870 bytes 4.12.0-r1, 4.11.0-r1
DIST yunet-202303.onnx 232589 bytes 4.12.0-r1, 4.11.0-r1
Unmatched Entries
Type File Size
DIST opencv-4.11.0.tar.gz 95051012 bytes
DIST opencv-4.12.0-fix_videowriter_raw_return_code.patch 2463 bytes
DIST opencv-4.12.0.tar.gz 95254890 bytes
DIST opencv_contrib-4.11.0.tar.gz 55450097 bytes
DIST opencv_contrib-4.12.0.tar.gz 55475555 bytes
DIST opencv_extra-4.11.0.tar.gz 505587850 bytes
DIST opencv_extra-4.12.0.tar.gz 505622881 bytes