#!/bin/sh

# forked/adapted from http://www.github.com/markus-perl
# Version 0.3rg

CWD=`pwd`
PACKAGES="$CWD/packages"
WORKSPACE="$CWD/workspace"
CC=clang
LDFLAGS="-L${WORKSPACE}/lib -lm"
CFLAGS="-I${WORKSPACE}/include"
PKG_CONFIG_PATH="${WORKSPACE}/lib/pkgconfig"

make_dir () {
	if [ ! -d $1 ]; then
		if ! mkdir $1; then
			echo "\nFailed to create dir $1";
			exit 1
		fi
	fi
}

remove_dir () {
	if [ -d $1 ]; then
		rm -r "$1"
	fi

}

download () {
	if [ ! -f "$PACKAGES/$2" ]; then

		printf "Downloading $1"
		curl -L --silent -o "$PACKAGES/$2" "$1"
		EXITCODE=$?
		if [ $EXITCODE -ne 0 ]; then
			echo ""
			echo "Failed to download $1. Exitcode $EXITCODE";
			exit 1
		fi

		printf " ... Done\n"

		if ! tar -xvf "$PACKAGES/$2" -C "$PACKAGES" 2>/dev/null >/dev/null; then
			echo "Failed to extract $2";
			exit 1
		fi

	fi
}

execute () {
	echo "$ $@"
	OUTPUT="$($@ 2>&1)"

	if [ $? -ne 0 ]; then
        echo $OUTPUT
        echo ""
        echo "Failed to Execute $@" >&2
        exit 1
    fi

}

build () {

	echo ""
	echo "building $1"
	echo "======================="

	if [ -f "$PACKAGES/$1.done" ]; then
		echo "$1 already built. Remove $PACKAGES/$1.done lockfile to rebuild it."
		return 1
	fi



	return 0
}

build_done () {
	touch "$PACKAGES/$1.done"
}



case "$1" in
"--cleanup")
	remove_dir $PACKAGES
	remove_dir $WORKSPACE
	echo "Cleanup done"
	exit 0
    ;;
"--build")

    ;;
*)
    echo "Usage: $0"
    echo "   --build: start building process"
    echo "   --cleanup: remove all working dirs"
    echo "   --help: show this help"
    exit 0
    ;;
esac



make_dir $PACKAGES
make_dir $WORKSPACE
make_dir $CMPL

export PATH=${WORKSPACE}/bin:$PATH


if build "yasm"; then
	download "http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz" "yasm-1.3.0.tar.gz"
	cd $PACKAGES/yasm-1.3.0
	execute ./configure --prefix=${WORKSPACE}
	execute make -j 4
	execute make install
	build_done "yasm"
fi


if build "opencore"; then
	download "http://garr.dl.sourceforge.net/project/opencore-amr/opencore-amr/opencore-amr-0.1.3.tar.gz" "opencore-amr-0.1.3.tar.gz"
	cd $PACKAGES/opencore-amr-0.1.3
	execute ./configure --prefix=${WORKSPACE} --disable-shared --enable-static
	execute make -j 4
	execute make install
	build_done "opencore"
fi

if build "libvpx"; then
	download "http://webm.googlecode.com/files/libvpx-v1.3.0.tar.bz2" "libvpx-v1.3.0.tar.bz2"
	cd $PACKAGES/libvpx-v1.3.0
	execute ./configure --prefix=${WORKSPACE} --disable-unit-tests --disable-shared
	execute make -j 4
	execute make install
	build_done "libvpx"
fi

if build "lame"; then
	download "http://kent.dl.sourceforge.net/project/lame/lame/3.99/lame-3.99.5.tar.gz" "lame-3.99.5.tar.gz"
	cd $PACKAGES/lame-3.99.5
	execute ./configure --prefix=${WORKSPACE} --disable-shared --enable-static
	execute make -j 4
	execute make install
	build_done "lame"
fi

if build "xvidcore"; then
	download "http://downloads.xvid.org/downloads/xvidcore-1.3.3.tar.gz" "xvidcore-1.3.3.tar.gz"
	cd $PACKAGES/xvidcore
	cd build/generic
	execute ./configure --prefix=${WORKSPACE} --disable-shared --enable-static
	execute make -j 4
	execute make install

	if [ -f ${WORKSPACE}/lib/libxvidcore.4.dylib ]; then
	    execute rm ${WORKSPACE}/lib/libxvidcore.4.dylib
	fi

	build_done "xvidcore"
fi


if build "x264"; then
	# download "ftp://ftp.videolan.org/pub/x264/snapshots/last_x264.tar.bz2" "last_x264.tar.bz2" if firewall allows ftp
	download "http://ftp.videolan.org/pub/x264/snapshots/last_x264.tar.bz2" "last_x264.tar.bz2"
	cd $PACKAGES/x264-snapshot-*
	execute ./configure --prefix=${WORKSPACE} --disable-shared --enable-static
	execute make -j 4
	execute make install
	execute make install-lib-static
	build_done "x264"
fi

if build "libogg"; then
	download "http://downloads.xiph.org/releases/ogg/libogg-1.3.2.tar.gz" "libogg-1.3.2.tar.gz"
	cd $PACKAGES/libogg-1.3.2
	execute ./configure --prefix=${WORKSPACE} --disable-shared --enable-static
	execute make -j 4
	execute make install
	build_done "libogg"
fi


if build "libvorbis"; then
	download "http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.4.tar.gz" "libvorbis-1.3.4.tar.gz"
	cd $PACKAGES/libvorbis-1.3.4
	execute ./configure --prefix=${WORKSPACE} --with-ogg-libraries=${WORKSPACE}/lib --with-ogg-includes=${WORKSPACE}/include/ --enable-static --disable-shared --disable-oggtest
	execute make -j 4
	execute make install
	build_done "libvorbis"
fi

if build "libtheora"; then
	download "http://downloads.xiph.org/releases/theora/libtheora-1.1.1.tar.gz" "libtheora-1.1.1.tar.bz"
	cd $PACKAGES/libtheora-1.1.1
	sed "s/-fforce-addr//g" configure > configure.patched
	chmod +x configure.patched
	mv configure.patched configure
	execute ./configure --prefix=${WORKSPACE} --with-ogg-libraries=${WORKSPACE}/lib --with-ogg-includes=${WORKSPACE}/include/ --with-vorbis-libraries=${WORKSPACE}/lib --with-vorbis-includes=${WORKSPACE}/include/ --enable-static --disable-shared --disable-oggtest --disable-vorbistest --disable-examples --disable-asm
	execute make -j 4
	execute make install
	build_done "libtheora"
fi

if build "pkg-config"; then
	download "http://pkgconfig.freedesktop.org/releases/pkg-config-0.28.tar.gz" "pkg-config-0.28.tar.gz"
	cd $PACKAGES/pkg-config-0.28
	execute ./configure --silent --prefix=${WORKSPACE} --with-pc-path=${WORKSPACE}/lib/pkgconfig --with-internal-glib
	execute make -j 4
	execute make install
	build_done "pkg-config"
fi


if build "freetype"; then
	download "http://download.savannah.gnu.org/releases/freetype/freetype-2.4.0.tar.bz2" "freetype-2.4.0.tar.bz2"
	cd $PACKAGES/freet*
	execute ./configure --silent --prefix=${WORKSPACE} --with-pc-path=${WORKSPACE}/lib/pkgconfig --disable-shared --enable-static
	execute make -j 4
	execute make install
	build_done "freetype"
fi



if build "libxml2"; then
	download "ftp://xmlsoft.org/libxml2/libxml2-sources-2.9.2.tar.gz" "libxml2-sources-2.9.2.tar.gz"
	cd $PACKAGES/libxm*
	execute ./configure  --prefix=${WORKSPACE} --enable-shared=yes --enable-static=yes --with-python=NO --with-python-install-dir=${WORKSPACE}/libxmlpython
	execute make -j 4
	execute make install
	build_done "libxml2"
fi

if build "fontconfig"; then
	download "http://www.freedesktop.org/software/fontconfig/release/fontconfig-2.11.94.tar.gz" "fontconfig-2.11.94.tar.gz"
	cd $PACKAGES/fontc*

	execute ./configure  --prefix=${WORKSPACE} --with-pc-path=${WORKSPACE}/lib/pkgconfig --enable-shared=no --enable-static=yes --enable-libxml2
	execute make -j 4
	execute make install
	build_done "fontconfig"
fi


if build "cmake"; then
	download "http://www.cmake.org/files/v3.0/cmake-3.0.2.tar.gz" "cmake-3.0.2.tar.gz"
	cd $PACKAGES/cmake*
	rm Modules/FindJava.cmake
	perl -p -i -e "s/get_filename_component.JNIPATH/#get_filename_component(JNIPATH/g" Tests/CMakeLists.txt
	perl -p -i -e "s/get_filename_component.JNIPATH/#get_filename_component(JNIPATH/g" Tests/CMakeLists.txt
	execute ./configure --prefix=${WORKSPACE}
	execute make -j 4
	execute make install
	build_done "cmake"
fi

if build "vid_stab"; then
	download "https://codeload.github.com/georgmartius/vid.stab/legacy.tar.gz/release-0.98b" "vid.stab-0.98b-transcode-1.1-binary-x86_64.tgz"
	cd $PACKAGES/georgmartius-vid*
	perl -p -i -e "s/vidstab SHARED/vidstab STATIC/" CMakeLists.txt
	execute cmake -DCMAKE_INSTALL_PREFIX:PATH=${WORKSPACE} .
	execute make -s install
	build_done "vid_stab"
fi

if build "x265"; then
	download "https://bitbucket.org/multicoreware/x265/downloads/x265_1.7.tar.gz" "x265-1.7.tar.gz"
	cd $PACKAGES/x265_1.7
	cd source
	execute cmake -DCMAKE_INSTALL_PREFIX:PATH=${WORKSPACE} -DENABLE_SHARED:bool=off .
	execute make -j 4
	execute make install
	sed "s/-lx265/-lx265 -lstdc++/g" "$WORKSPACE/lib/pkgconfig/x265.pc" > "$WORKSPACE/lib/pkgconfig/x265.pc.tmp"
	mv "$WORKSPACE/lib/pkgconfig/x265.pc.tmp" "$WORKSPACE/lib/pkgconfig/x265.pc"
	build_done "x265"
fi

if build "fdk_aac"; then
	# download "http://downloads.sourceforge.net/project/opencore-amr/fdk-aac/fdk-aac-0.1.3.tar.gz" "fdk-aac-0.1.3.tar.gz"
	download "http://ftp.cc.uoc.gr/mirrors/linux/lfs/LFS/7.6/f/fdk-aac-0.1.3.tar.gz" "fdk-aac-0.1.3.tar.gz"

	cd $PACKAGES/fdk-aac*
	execute ./configure --prefix=${WORKSPACE} --disable-shared --enable-static
	execute make -j 4
	execute make install
	build_done "fdk_aac"
fi

if build "frei0r"; then
       download "https://files.dyne.org/frei0r/snapshots/frei0r-snapshot-27-01-15.tar.gz" "frei0r-snapshot-27-01-15.tar.gz"

       cd $PACKAGES/frei0r*
       perl -p -i -e "s/OpenCV\" OFF/OpenCV\" ON/" CMakeLists.txt
       execute cmake -DCMAKE_INSTALL_PREFIX:PATH=${WORKSPACE} .
       #execute cmake -DCMAKE_INSTALL_PREFIX:PATH=${WORKSPACE} .
       execute make -s install
       for file in ${WORKSPACE}/lib/frei0r-1/*.so ; do
               cp $file "${file%.*}.dylib"
       done
       build_done "frei0r"
fi

build "ffmpeg"
download "http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2 " "ffmpeg-snapshot.tar.bz2 "
cd $PACKAGES/ffmpeg*
CFLAGS="-I$WORKSPACE/include" LDFLAGS="-L$WORKSPACE/lib"
echo "pkgconfig is `which pkg-config` and fontconfig lib is `pkg-config fontconfig --libs`"
execute ./configure  --arch=64 --prefix=${WORKSPACE} --pkg-config-flags="--static" --extra-cflags="-I$WORKSPACE/include" --extra-ldflags="-L$WORKSPACE/lib -static" --extra-version=static --disable-debug --disable-shared --enable-static --disable-ffplay --disable-ffserver --disable-doc --enable-version3 --enable-libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-avfilter --enable-gpl --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-nonfree --enable-filters --enable-libvidstab --enable-libx265 --enable-runtime-cpudetect --enable-libfdk-aac --enable-frei0r --enable-libfreetype --enable-fontconfig
# ./configure  --arch=64 --prefix=${WORKSPACE} --extra-cflags="-I$WORKSPACE/include" --extra-ldflags="-L$WORKSPACE/lib" --extra-version=static --disable-debug --disable-shared --enable-static --extra-cflags=--static --disable-ffplay --disable-ffserver --disable-doc --enable-version3 --enable-libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-avfilter --enable-gpl --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-nonfree --enable-filters --enable-libvidstab --enable-libx265 --enable-runtime-cpudetect --enable-libfdk-aac --enable-frei0r --enable-libfreetype --enable-fontconfig
execute make -j 4
execute make install

echo ""
echo "Building done. The binary can be found here: $WORKSPACE/bin/ffmpeg"
echo ""
read -r -p "Install the binary to your /usr/local/bin/ folder? [Y/n] " response

case $response in
    [yY][eE][sS]|[yY])
        sudo cp "$WORKSPACE/bin/ffmpeg" "/usr/local/bin/ffmpeg"
        sudo cp "$WORKSPACE/bin/ffprobe" "/usr/local/bin/ffprobe"
        echo "Done. ffmpeg is now installed to your system"
        ;;
esac

echo ""
echo "The frei0r plugins can be found here: $WORKSPACE/lib/ in a folder named \"frei0r-1\""
echo ""
read -r -p "Copy frei0r plugins to your /usr/local/lib/frei0r-1 folder [Y/n] " response

case $response in
     [yY][eE][sS]|[yY])
         sudo cp -Rv "$WORKSPACE/lib/frei0r-1" "/usr/local/lib/"
         echo "Done. frei0r plugins are now installed to your system"
         ;;
esac