Gentoo Packages

media-libs/opencv (bentoo)

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Install

Install this package:

emerge -a media-libs/opencv

If the package is masked, you can unmask it using the autounmask tool or standard emerge options:

autounmask media-libs/opencv

Or alternatively:

emerge --autounmask-write -a media-libs/opencv

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
License:
Apache-2.0

Versions

Version EAPI Keywords Slot
4.13.0-r2 8 ~amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86 0/4.13.0-r2
4.13.0-r1 8 ~amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86 0/4.13.0-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

Manage flags for this package: euse -i <flag> -p media-libs/opencv | euse -E <flag> -p media-libs/opencv | euse -D <flag> -p media-libs/opencv

Flag Description 4.13.0-r2 4.13.0-r1
( ⚠️ ✓ ✓
atlas Use <pkg>sci-libs/atlas</pkg> for blas, lapack and sparse blas routines (Experimental!) ✓ ✓
avif ⚠️ ✓ ✓
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 ✓ ✓
cpu_flags_arm_neon ⚠️ ✓ ✓
cuda Enable NVIDIA Cuda computations support (Experimental!) ✓ ✓
cudnn Enable support for nVidia cuDNN library ✓ ✓
debug Enable DCHECK feature with severity configurable at runtime. Mostly intended for debugging and development, NOT RECOMMENDED for general use. ⚠️ ✓ ✓
doc ⚠️ ✓ ✓
eigen Enable usage of <pkg>dev-cpp/eigen</pkg> for computations ⊕ ⊕
examples Example ufw config files ⚠️ ✓ ✓
features2d Enable features2d module ✓ ✓
ffmpeg ⚠️ ⊕ ⊕
gdal Enable support for <pkg>sci-libs/gdal</pkg> library ✓ ✓
gflags Use Google's C++ argument parsing library (<pkg>dev-cpp/gflags</pkg>) ✓ ✓
gif ⚠️ ✓ ✓
glog Use Google's C++ logging library (<pkg>dev-cpp/glog</pkg>) ✓ ✓
gphoto2 ⚠️ ✓ ✓
gstreamer ⚠️ ✓ ✓
gtk3 Enable <pkg>x11-libs/gtk+</pkg>:3 support ✓ ✓
ieee1394 ⚠️ ✓ ✓
jasper Use <pkg>media-libs/jasper</pkg> for jpeg2k support ✓ ✓
java ⚠️ ✓ ✓
jpeg Enable jpeg image support for the VNC console server ⚠️ ✓ ✓
jpeg2k ⚠️ ✓ ✓
lapack ⚠️ ✓ ✓
mkl Use <pkg>sci-libs/mkl</pkg> for blas, lapack and sparse blas routines ✓ ✓
non-free Enable non-free components ✓ ✓
opencl Enable the Rusticl Gallium OpenCL state tracker. ⚠️ ✓ ✓
opencvapps Enable compilation with opencvapps ✓ ✓
openexr ⚠️ ✓ ✓
opengl Enable OpenGL library and plugin via desktop OpenGL API ⚠️ ✓ ✓
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 Enable png image support for the VNC console server ⚠️ ✓ ✓
python Build SWIG bindings for Python ⚠️ ✓ ✓
qt6 Enable Qt6 integration for better KDE/Qt desktop environment support. Provides native look and feel on KDE Plasma and other Qt-based desktops. ⚠️ ✓ ✓
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 ⚠️ ✓ ✓
testprograms Build and install programs for testing OpenCV (performance) ✓ ✓
tiff ⚠️ ✓ ✓
truetype Enable <pkg>media-libs/freetype</pkg> support for gapi module ✓ ✓
v4l ⚠️ ✓ ✓
vaapi ⚠️ ✓ ✓
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 native Wayland support for better integration with Wayland-based desktop environments ⚠️ ✓ ✓
webp ⚠️ ✓ ✓
wechat-qrcode Enable wechat_qrcode module ✓ ✓
xine ⚠️ ✓ ✓

Files

Manifest

Type File Size Versions
DIST NVIDIAOpticalFlowSDK-edb50da3cf849840d680249aa6dbef248ebce2ca.tar.gz 8771 bytes 4.13.0-r2, 4.13.0-r1
DIST ade-0.1.2e.tar.gz 117054 bytes 4.13.0-r2, 4.13.0-r1
DIST opencv_3rdparty-34e4206aef44d50e6bbcd0ab06354b52e7466d26.tar.gz 397901 bytes 4.13.0-r2, 4.13.0-r1
DIST opencv_3rdparty-8afa57abc8229d611c4937165d20e2a2d9fc5a12.tar.gz 63301261 bytes 4.13.0-r2, 4.13.0-r1
DIST opencv_3rdparty-a8b69ccc738421293254aec5ddb38bd523503252.tar.gz 920403 bytes 4.13.0-r2, 4.13.0-r1
DIST opencv_3rdparty-b2bfc75f6aea5b1f834ff0f0b865a7c18ff1459f.tar.gz 10036903 bytes 4.13.0-r2, 4.13.0-r1
DIST opencv_3rdparty-fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d.tar.gz 1470898 bytes 4.13.0-r2, 4.13.0-r1
DIST yunet-202303.onnx 232589 bytes 4.13.0-r2, 4.13.0-r1
Unmatched Entries
Type File Size
DIST opencv-4.13.0.tar.gz 95420275 bytes
DIST opencv_contrib-4.13.0.tar.gz 55516112 bytes
DIST opencv_extra-4.13.0.tar.gz 505880530 bytes