build.leia extension to download, compile and install ffmpeg

ffmpeg.inc

# Extension to build and install FFmpeg
# See https://github.com/kekePower/build.leia

STANDALONE=true
FFMPEG_RELEASE=ffmpeg-3.4.2
SOURCE=http://ffmpeg.org/releases/${FFMPEG_RELEASE}.tar.bz2
FFMPEG=${KODIDIR}/depends

# Checking to see if either wget or curl is available.
if [[ -f $( which wget ) ]]; then
	DOWNLOAD=wget
elif [[ -f $( which curl ) ]]; then
	DOWNLOAD="curl -o ${FFMPEG_RELEASE}.tar.bz2"
else
	echo "Could not find wget nor curl..."
	clean_exit ${1}
fi


MSG="Preparing installation of ${FFMPEG_RELEASE}."
echo "${TIME}[$(date +%T)]${END} ${INFO}${MSG}${END}"
loggy ${MSG}

if [[ ! -d ${FFMPEG} ]]; then
	mkdir -p ${FFMPEG}
fi
# We check if ffmpeg is installed and if it is, we use the configuration from that build
if [[ -f $( which ffmpeg ) ]]; then
	FFMPEG_CONFIGURATION=$( ffmpeg 2>&1 | grep -i configuration | head -1 | cut -d: -f2 )
fi

# We check if the source directory is present, if not, we download the source
if [[ ! -d ${FFMPEG}/${FFMPEG_RELEASE} ]]; then
	MSG="Downloading ${FFMPEG_RELEASE} source..."
	echo "${TIME}[$(date +%T)]${END} ${ARROW} ${Y}${MSG}${END}"
	loggy ${MSG}
	builtin cd ${FFMPEG}
	${DOWNLOAD} ${SOURCE} >> ${LOGGYLOGFILE} 2>&1
	tar xfj ${FFMPEG_RELEASE}.tar.bz2 > /dev/null 2>&1
else
	MSG="Cleaning old configuration before new compilation."
	echo "${TIME}[$(date +%T)]${END} ${ARROW} ${Y}${MSG}${END}"
	loggy ${MSG}
	builtin cd ${FFMPEG}/${FFMPEG_RELEASE}
	make clean >> ${LOGGYLOGFILE} 2>&1
fi

# We're now ready to configure and compile ffmpeg
if [[ -d ${FFMPEG}/${FFMPEG_RELEASE} ]]; then
	MSG="Configuring ${FFMPEG_RELEASE}. Please wait..."
	echo "${TIME}[$(date +%T)]${END} ${INFO}${MSG}${END}"
	loggy ${MSG}
	builtin cd ${FFMPEG}/${FFMPEG_RELEASE}
	./configure $( echo ${FFMPEG_CONFIGURATION} ) >> ${LOGGYLOGFILE} 2>&1
	MSG="Compiling ${FFMPEG_RELEASE}. Please wait..."
        echo "${TIME}[$(date +%T)]${END} ${INFO}${MSG}${END}"
        loggy ${MSG}
	make -s -j${NUMCPU} >> ${LOGGYLOGFILE} 2>&1
	if [[ -f ${FFMPEG}/${FFMPEG_RELEASE}/ffmpeg ]]; then
		MSG="Installing ${FFMPEG_RELEASE}. Please wait..."
        	echo "${TIME}[$(date +%T)]${END} ${INFO}${MSG}${END}"
        	loggy ${MSG}
		sudo make install >> ${LOGGYLOGFILE} 2>&1
		sudo make install-libs >> ${LOGGYLOGFILE} 2>&1
		sudo ldconfig -v >> ${LOGGYLOGFILE} 2>&1
	else
		MSG="ffmpeg failed to compile..."
		echo "${TIME}[$(date +%T)]${END} ${INFO}${MSG}${END}"
		loggy ${MSG}
		clean_exit ${1}
	fi
fi

MSG="${FFMPEG_RELEASE} has been compiled and installed."
echo "${TIME}[$(date +%T)]${END} ${INFO}${MSG}${END}"
loggy ${MSG}

# Now remove the pid file and exit
clean_exit ${1}