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| − | =Install previous GStreamer dependencies=
| + | We have unified these instructions in our main [[Compiling OpenCV from Source]] page. |
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| − | <source lang="bash">
| + | [[Category:GStreamer]] |
| − | sudo apt-get install gstreamer1.0*
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| − | sudo apt install ubuntu-restricted-extras
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| − | sudo apt install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
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| − | </source>
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| − | | |
| − | =Install compiler and building dependencies=
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| − | | |
| − | <source lang="bash">
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| − | sudo apt-get install build-essential
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| − | sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
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| − | sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libdc1394-22-dev
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| − | sudo apt-get install python3-pip python3-numpy
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| − | </source>
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| − | | |
| − | =Obtain source code from Github=
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| − | | |
| − | <source lang="bash">
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| − | git clone https://github.com/opencv/opencv.git
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| − | cd opencv/
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| − | git checkout 4.1.0
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| − | </source>
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| − | | |
| − | =Configure with required flags=
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| − | <source lang="bash">
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| − | mkdir build
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| − | cd build
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| − | cmake -D CMAKE_BUILD_TYPE=RELEASE \
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| − | -D CMAKE_INSTALL_PREFIX=/usr/local \
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| − | -D INSTALL_PYTHON_EXAMPLES=ON \
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| − | -D INSTALL_C_EXAMPLES=OFF \
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| − | -D PYTHON_EXECUTABLE=$(which python3) \
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| − | -D BUILD_opencv_python2=OFF \
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| − | -D CMAKE_INSTALL_PREFIX=$(python3 -c "import sys; print(sys.prefix)") \
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| − | -D PYTHON3_EXECUTABLE=$(which python3) \
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| − | -D PYTHON3_INCLUDE_DIR=$(python3 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \
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| − | -D PYTHON3_PACKAGES_PATH=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") \
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| − | -D WITH_GSTREAMER=ON \
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| − | -D BUILD_EXAMPLES=ON ..
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| − | </source>
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| − | | |
| − | =Check configuration log=
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| − | | |
| − | ✔ Verify if it has Python 3: section and all interpreter and path are right. (If they aren’t there, check the numpy package)
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| − | | |
| − | ✔ Check the GStreamer section. (If it does not indicate '''YES''', go check GStreamer lib package)
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| − | | |
| − | [[File:Opencv configure.png|600px|center]] | |
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| − | =Building=
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| − | | |
| − | It will last some time. Please be patient.
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| − | <source lang="bash">
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| − | sudo make -j4
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| − | </source>
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| − | | |
| − | =Install the package=
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| − | | |
| − | <source lang="bash">
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| − | sudo make install
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| − | sudo ldconfig
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| − | </source>
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