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Open Computer Vision (OpenCV)

Fri 30 December 2016

How to build a package for OpenCV 3.x.


To get ffmpeg on jessie, edit /etc/apt/sources.list and add:

deb http://www.deb-multimedia.org jessie main

These will pull in a lot of other packages, but that is ok:

pip install -U numpy

numpy will take a looong time to build.

sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install deb-multimedia-keyring

$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install build-essential cmake git pkg-config python-dev swig
$ sudo apt-get install ffmpeg
$ sudo apt-get install libjpeg8-dev libtiff4-dev libjasper-dev libpng12-dev
$ sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
$ sudo apt-get install gfortran libeigen3
$ sudo apt-get install libopenblas-dev libatlas-dev libblas-dev liblapack-dev
$ sudo apt-get install libgtk2.0-dev

mkdir ~/tmp/fakeroot


export LD_LIBRARY_PATH=/usr/local/lib


A good reference for this is here Since this is running in an embedded system, VTK support is not included. Grab the source:

git clone https://github.com/opencv/opencv.git

Now go into the src directory and do:

cd opencv/
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=$HOME/tmp/fakeroot ..
make -j 4

Package Build


Package: libopencv-dev
Version: 3.1.0
Section: custom
Priority: optional
Architecture: all
Essential: no
Installed-Size: 1024
Maintainer: me
Description: kevin - installs opencv 3.1.0 and dev stuff

Post Install

You will need to link the library, otherwise the libraries won't be found:

sudo ldconfig -v /usr/local/lib

Now you may have to go to /usr/local/lib and use sudo ldconfig for it to work. To double check everything worked, try:

ldconfig -p | grep cv

You should see the libraries.

Install ffmpeg

This should be covered above

Also, FFmpeg 2.2.2 is available via the Multimedia Repository, so we have to add the repo to our system, update the local repo index and install the deb-multimedia-keyring and ffmpeg packages. Like this:

$ sudo sh -c 'echo "deb http://www.deb-multimedia.org jessie main" >> /etc/apt/sources.list'
$ sudo apt-get update
$ sudo apt-get install deb-multimedia-keyring
$ sudo apt-get install ffmpeg


sudo apt-get install libavformat-dev libjasper-dev libjpeg8-dev libgtk2.0-dev
sudo apt-get install ffmpeg libdc1394-22-dev
sudo apt-get install build-essential cmake cmake-curses-gui pkg-config libpng12-0
sudo apt-get install libpng12-dev libpng++-dev libpng3 libpnglite-dev zlib1g-dbg
sudo apt-get install zlib1g zlib1g-dev pngtools libtiff5-dev libtiff5 libtiffxx0c2
sudo apt-get install libtiff-tools libeigen3-dev
sudo apt-get install libtbb libjpeg8 libjpeg8-dev libjpeg8-dbg libjpeg-progs
sudo apt-get install ffmpeg libavcodec-dev libavformat-dev libunicap2
sudo apt-get install libunicap2-dev swig libv4l-0 libv4l-dev python-dev

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