install OpenCV on Linux

arch=$(uname -m)

if [ "$arch" == "i686" -o "$arch" == "i386" -o "$arch" == "i486" -o "$arch" == "i586" ]; then

flag=1

else

flag=0

fi

echo "Installing OpenCV 2.4.2"

mkdir OpenCV

cd OpenCV

echo "Removing any pre-installed ffmpeg and x264"

sudo apt-get remove ffmpeg x264 libx264-dev

echo "Installing Dependenices"

sudo apt-get install libopencv-dev

sudo apt-get install build-essential checkinstall cmake pkg-config yasm

sudo apt-get install libtiff4-dev libjpeg-dev libjasper-dev

sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev libxine-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev

sudo apt-get install python-dev python-numpy

sudo apt-get install libtbb-dev

sudo apt-get install libqt4-dev libgtk2.0-dev

echo "Downloading x264"

wget ftp://ftp.videolan.org/pub/videolan/x264/snapshots/x264-snapshot-20120528-2245-stable.tar.bz2

tar -xvf x264-snapshot-20120528-2245-stable.tar.bz2

cd x264-snapshot-20120528-2245-stable/

echo "Installing x264"

if [ $flag -eq 1 ]; then

./configure --enable-static

else

./configure --enable-shared --enable-pic

fi

make

sudo make install

cd ..

echo "Downloading ffmpeg"

wget http://ffmpeg.org/releases/ffmpeg-0.11.1.tar.bz2

echo "Installing ffmpeg"

tar -xvf ffmpeg-0.11.1.tar.bz2

cd ffmpeg-0.11.1/

if [ $flag -eq 1 ]; then

./configure --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-nonfree --enable-postproc --enable-version3 --enable-x11grab

else

./configure --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-nonfree --enable-postproc --enable-version3 --enable-x11grab --enable-shared

fi

make

sudo make install

cd ..

echo "Downloading v4l"

wget http://www.linuxtv.org/downloads/v4l-utils/v4l-utils-0.8.8.tar.bz2

echo "Installing v4l"

tar -xvf v4l-utils-0.8.8.tar.bz2

cd v4l-utils-0.8.8/

make

sudo make install

cd ..

echo "Downloading OpenCV 2.4.2"

wget -O OpenCV-2.4.2.tar.bz2 http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.2/OpenCV-2.4.2.tar.bz2/download

echo "Installing OpenCV 2.4.2"

tar -xvf OpenCV-2.4.2.tar.bz2

cd OpenCV-2.4.2

mkdir build

cd build

cmake -D CMAKE_BUILD_TYPE=RELEASE ..

make

sudo make install

sudo echo "/usr/local/lib" >> /etc/ld.so.conf

sudo ldconfig

echo "OpenCV 2.4.2 ready to be used"