Helper script to compile obs-studio. Gets the needed depenancies for you!

obs_deps.sh

#!/bin/bash
set -e #quit on error stuff!
#This script was only testing on linux mint 16, with a large pile of custom tweaking.
#This file should be used more as a "guide line" than anything else...

# PLEASE edit certain settings before going around and running this! to make sure of that I 
# have the next line kill the script unless commented out!

echo "You forgot to set up this file! Edit it with correct paths to use!" && exit 0



#these are the pathing options on where to build/install things.
DEVROOT=$HOME/dev2
#where the building of ffmpeg happens
FFMPEGROOT=$DEVROOT/ffmpeg
#where the dev stuff of qt5 is installed
#Note that for QT you should probably check down lower and see if there are any updates (defaults to 5.3.0) instead of this hard-coded URL
QTROOT=$DEVROOT/qt

#in the end, install everything "here" (qt5,ffmpeg,obs), in the root of this dir will be the launcher script for obs
INSTALLROOT=$HOME/bin/obs

#become the first thing in the path, in case the system has borked stuff (looking at you libav...)
export PATH=$INSTALLROOT/bin:$PATH


#if you are a multi-core computer modify the number here to your cores +1/4 (speeds up compile!)
MAKEJOBS=-j4

#-------CONFIG OPTIONS DONE!

mkdir -p $DEVROOT/flags


log_stuff () {
    echo -e "\033[1;33m$1\033[0m"
}

# lets get all of those pesky build-deps installed for ffmpeg
if [[ ! -f $DEVROOT/flags/apt-get ]]; then
    log_stuff "installing apt-get-able deps..."
    sudo apt-get update
    sudo apt-get -y install autoconf automake build-essential libass-dev libfreetype6-dev \
    libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev \
    libx11-dev libxext-dev libxfixes-dev pkg-config texi2html zlib1g-dev \
    yasm libmp3lame-dev libopus-dev p7zip-full git

    #if your *buntu does not have "yasm", "libmp3lame-dev", "libopus-dev"
    # of the correct versions: follow https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu
    touch $DEVROOT/flags/apt-get
else
    log_stuff "already installed apt-get-able deps..."
fi

mkdir -p $FFMPEGROOT





#---- FFMPEG stuff

# libx264
cd $FFMPEGROOT
if [[ ! -f $DEVROOT/flags/libx264.download ]]; then
    log_stuff "downloading libx264"
    wget http://download.videolan.org/pub/x264/snapshots/last_x264.tar.bz2    
    touch $DEVROOT/flags/libx264.download
else
    log_stuff "already downloaded libx264"
fi

if [[ ! -f $DEVROOT/flags/libx264.extract ]]; then
    log_stuff "extracting libx264"
    tar xjvf last_x264.tar.bz2
    touch $DEVROOT/flags/libx264.extract
else
    log_stuff "already extracted libx264"
fi

cd x264-snapshot*

if [[ ! -f $DEVROOT/flags/libx264.configure ]]; then
    log_stuff "configuring libx264"
    ./configure --prefix="$INSTALLROOT" --enable-shared
    touch $DEVROOT/flags/libx264.configure
else
    log_stuff "already configured libx264"
fi

if [[ ! -f $DEVROOT/flags/libx264.compile ]]; then
    log_stuff "compiling libx264"
    make $MAKEJOBS
    touch $DEVROOT/flags/libx264.compile
else
    log_stuff "already compiled libx264"
fi
if [[ ! -f $DEVROOT/flags/libx264.install ]]; then
    log_stuff "installing libx264"
    make install
    touch $DEVROOT/flags/libx264.install
else
    log_stuff "already installed libx264"
fi








#libfdk-aac
cd $FFMPEGROOT
if [[ ! -f $DEVROOT/flags/libfdk-aac.download ]]; then
    log_stuff "downloading libfdk-aac"
    wget -O fdk-aac.zip https://github.com/mstorsjo/fdk-aac/zipball/master
    touch $DEVROOT/flags/libfdk-aac.download
else
    log_stuff "already downloaded libfdk-aac"
fi

if [[ ! -f $DEVROOT/flags/libfdk-aac.extract ]]; then
    log_stuff "extracting libfdk-aac"
    unzip fdk-aac.zip
    touch $DEVROOT/flags/libfdk-aac.extract
else
    log_stuff "already extracted libfdk-aac"
fi

cd mstorsjo-fdk-aac*
if [[ ! -f $DEVROOT/flags/libfdk-aac.configure ]]; then
    log_stuff "configuring libfdk-aac"
    autoreconf -fiv
    ./configure --prefix="$INSTALLROOT" --enable-shared
    touch $DEVROOT/flags/libfdk-aac.configure
else
    log_stuff "already configured libfdk-aac"
fi

if [[ ! -f $DEVROOT/flags/libfdk-aac.compile ]]; then
    log_stuff "compiling libfdk-aac"
    make $MAKEJOBS
    touch $DEVROOT/flags/libfdk-aac.compile
else
    log_stuff "already compiled libfdk-aac"
fi

if [[ ! -f $DEVROOT/flags/libfdk-aac.install ]]; then
    log_stuff "installing libfdk-aac"
    make install
    touch $DEVROOT/flags/libfdk-aac.install
else
    log_stuff "already installed libfdk-aac"
fi







#libvpx
cd $FFMPEGROOT
if [[ ! -f $DEVROOT/flags/libvpx.download ]]; then
    log_stuff "downloading libvpx"
    wget http://webm.googlecode.com/files/libvpx-v1.3.0.tar.bz2
    touch $DEVROOT/flags/libvpx.download
else
    log_stuff "already downloaded libvpx"
fi
if [[ ! -f $DEVROOT/flags/libvpx.extract ]]; then
    log_stuff "extracting "
    tar xjvf libvpx-v1.3.0.tar.bz2
    touch $DEVROOT/flags/libvpx.extract
else
    log_stuff "already extracted libvpx"
fi

cd libvpx-v1.3.0
if [[ ! -f $DEVROOT/flags/libvpx.configure ]]; then
    log_stuff "configuring libvpx"
    ./configure --prefix="$INSTALLROOT" --enable-shared --disable-examples
    touch $DEVROOT/flags/libvpx.configure
else
    log_stuff "already configured libvpx"
fi
if [[ ! -f $DEVROOT/flags/libvpx.compile ]]; then
    log_stuff "compiling libvpx"
    make $MAKEJOBS
    touch $DEVROOT/flags/libvpx.compile
else
    log_stuff "already compiled libvpx"
fi

if [[ ! -f $DEVROOT/flags/libvpx.install ]]; then
    log_stuff "installing libvpx"
    make install
    touch $DEVROOT/flags/libvpx.install
else
    log_stuff "already installed libvpx"
fi






#ffmpeg
cd $FFMPEGROOT
if [[ ! -f $DEVROOT/flags/ffmpeg.download ]]; then
    log_stuff "downloading ffmpeg"
    wget http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
    touch $DEVROOT/flags/ffmpeg.download
else
    log_stuff "already downloaded ffmpeg"
fi

if [[ ! -f $DEVROOT/flags/ffmpeg.extract ]]; then
    log_stuff "extracting ffmpeg"
    tar xjvf ffmpeg-snapshot.tar.bz2
    touch $DEVROOT/flags/ffmpeg.extract
else
    log_stuff "already extracted ffmpeg"
fi

cd ffmpeg
if [[ ! -f $DEVROOT/flags/ffmpeg.configure ]]; then
    log_stuff "configuring ffmpeg"
    PKG_CONFIG_PATH="$INSTALLROOT/lib/pkgconfig"
    export PKG_CONFIG_PATH
    ./configure --prefix="$INSTALLROOT" --extra-cflags="-I$INSTALLROOT/include" \
       --extra-ldflags="-L$INSTALLROOT/lib" --extra-libs="-ldl" --enable-gpl \
       --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus \
       --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab \
       --enable-shared
    touch $DEVROOT/flags/ffmpeg.configure
else
    log_stuff "already configured ffmpeg"
fi

if [[ ! -f $DEVROOT/flags/ffmpeg.compile ]]; then
    log_stuff "compiling ffmpeg"
    make $MAKEJOBS
    touch $DEVROOT/flags/ffmpeg.compile
else
    log_stuff "already compiled ffmpeg"
fi

if [[ ! -f $DEVROOT/flags/ffmpeg.install ]]; then
    log_stuff "installing ffmpeg"
    make install
    touch $DEVROOT/flags/ffmpeg.install
else
    log_stuff "already installed ffmpeg"
fi








#----------------QT STUFF

log_stuff "Cheating the QT installer, most likely place for downloading and such to fail..."
#./qt-opensource-linux-x64-5.3.0.run
mkdir -p $QTROOT
cd $QTROOT
if [[ ! -f $DEVROOT/flags/qt.download ]]; then
    log_stuff "downloading qt5"
    wget http://download.qt-project.org/online/qtsdkrepository/linux_x64/desktop/qt5_53/qt.53.gcc_64/5.3.0-1icu_52_1_ubuntu_11_10_64.7z
    wget http://download.qt-project.org/online/qtsdkrepository/linux_x64/desktop/qt5_53/qt.53.gcc_64/5.3.0-1qt5_addons.7z
    wget http://download.qt-project.org/online/qtsdkrepository/linux_x64/desktop/qt5_53/qt.53.gcc_64/5.3.0-1qt5_essentials.7z
    touch $DEVROOT/flags/qt.download
else
    log_stuff "already downloaded qt5"
fi
if [[ ! -f $DEVROOT/flags/qt.extract ]]; then
    log_stuff "extracting qt5"
    7z x 5.3.0-1qt5_essentials.7z
    7z x 5.3.0-1qt5_addons.7z
    7z x 5.3.0-1icu_52_1_ubuntu_11_10_64.7z
    touch $DEVROOT/flags/qt.extract
else
    log_stuff "already extracted qt5"
fi

if [[ ! -f $DEVROOT/flags/qt.install ]]; then
    log_stuff "installing qt5"
    cp -r 5.3/gcc_64/* $INSTALLROOT/
    touch $DEVROOT/flags/qt.install
else
    log_stuff "already installed qt5"
fi

#get us a version of cmake that works. I had no PPA that had it, system version was too old...
cd $DEVROOT
if [[ ! -f $DEVROOT/flags/cmake.download ]]; then
    log_stuff "downloading cmake"
    wget http://www.cmake.org/files/v2.8/cmake-2.8.12.2-Linux-i386.tar.gz
    touch $DEVROOT/flags/cmake.download
else
    log_stuff "already downloaded cmake"
fi

if [[ ! -f $DEVROOT/flags/cmake.install ]]; then
    log_stuff "installing cmake"
    #per reading the man page on tar the strip components may not be standard and need tweaking on some (even odder) systems
    tar --strip-components=1 -zxvf cmake-2.8.12.2-Linux-i386.tar.gz -C $INSTALLROOT
    touch $DEVROOT/flags/cmake.install
else
    log_stuff "already installed cmake"
fi


#this should put obs-src in $DEVROOT/obs-studio
log_stuff "getting copy of obs-studio source from github"
git clone https://github.com/jp9000/obs-studio.git

#we should now have all of the basic dependencies down, echo out the custom build script
log_stuff "making helper compile and run scripts"
cat << HERE_DOC_EOF_NO_MANGLE > $DEVROOT/build_obs.sh
#!/bin/bash
#cheating path init...
export PATH=$PATH
#no more path cheating...
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$INSTALLROOT/lib
export CMAKE_INCLUDE_PATH=$INSTALLROOT/include
export CMAKE_PREFIX_PATH=$INSTALLROOT
mkdir -p $DEVROOT/obs-build
cd $DEVROOT/obs-build
cmake -DCMAKE_INSTALL_PREFIX:PATH=$INSTALLROOT ../obs-studio
make $MAKEJOBS

HERE_DOC_EOF_NO_MANGLE
chmod +x $DEVROOT/build_obs.sh

cat << HERE_DOC_EOF_NO_MANGLE > $INSTALLROOT/run_obs.sh
#!/bin/bash
#cheating path init...
export PATH=$PATH
#no more path cheating...
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$INSTALLROOT/lib
#qt plugins are a pain...
export QT_PLUGIN_PATH=/home/admalledd/bin/obs/plugins

cd $INSTALLROOT
bin/obs

HERE_DOC_EOF_NO_MANGLE
chmod +x $INSTALLROOT/run_obs.sh