# for youtube-dl use 2.4.13
#Install bardcode-detector/resolver.

 #wget http://173.230.150.21:8000/barcodedetect

 #chmod +x barcodedetect
 #sudo mv barcodedetect /usr/local/bin/

#Remove all existing opencv packages
# sudo find / -name "*opencv*" -exec rm -i -f {} \;

 #Install opencv dependancies

 sudo apt-get install --assume-yes build-essential cmake git
 sudo apt-get install --assume-yes pkg-config unzip ffmpeg qtbase5-dev python-dev python3-dev python-numpy python3-numpy
 sudo apt-get install --assume-yes libopencv-dev libgtk-3-dev libdc1394-22 libdc1394-22-dev libjpeg-dev libpng12-dev libtiff5-dev libjasper-dev
 sudo apt-get install --assume-yes libavcodec-dev libavformat-dev libswscale-dev libxine2-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev
 sudo apt-get install --assume-yes libv4l-dev libtbb-dev libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev
 sudo apt-get install --assume-yes libvorbis-dev libxvidcore-dev v4l-utils python-vtk
 sudo apt-get install --assume-yes liblapacke-dev libopenblas-dev checkinstall
 sudo apt-get install --assume-yes libgdal-dev

 #Download and install opencv.

 wget https://github.com/opencv/opencv/archive/3.2.0.zip

 unzip 3.2.0.zip

 rm 3.2.0.zip

 cd opencv-3.2.0/

 mkdir build

 cd build/

 cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D FORCE_VTK=ON -D WITH_TBB=ON -D WITH_V4L=ON -D WITH_QT=ON -D WITH_OPENGL=ON -D WITH_CUBLAS=ON -D CUDA_NVCC_FLAGS="-D_FORCE_INLINES" -D WITH_GDAL=ON -D WITH_XINE=ON -D BUILD_EXAMPLES=ON ..

 make -j $(($(nproc) + 1))
 sudo make install

 sudo /bin/bash -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'

 sudo ldconfig

 sudo apt-get update

 echo "Please reboot for your changes to take effect "