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# Skript Installation libdvbcsa
function install_libdvbcsa_from_source () {
    echo -e "\nInstalling libdvbcsa from source...\n"
    FLAGS="$(cat /proc/cpuinfo | grep -im1 flags | awk -F':' '{print $2}')"
    FLAGS+="$(cat /proc/cpuinfo | grep -im1 features | awk -F':' '{print $2}')"

    #autodetect optimization
    echo "$FLAGS" | grep -qiw 'altivec' && optimization="--enable-altivec"
    [ -z "$optimization" ] && echo "$FLAGS" | grep -qiw "avx2" && optimization="--enable-avx2"
    [ -z "$optimization" ] && echo "$FLAGS" | grep -qiw "ssse3" && optimization="--enable-ssse3"
    [ -z "$optimization" ] && echo "$FLAGS" | grep -qiw "sse2" && optimization="--enable-sse2"
    [ -z "$optimization" ] && echo "$FLAGS" | grep -qiw "mmx" && optimization="--enable-mmx"
    if [ -z "$optimization" ]; then
        if [ "$ENDUNG" == "aarch64" ]; then
            optimization="--enable-uint64"
        elif [ -n "$(find "/usr/lib" -name "arm_neon.h" -type f -print -quit)" ]; then
            echo "$FLAGS" | grep -qiw "neon\|simd" && optimization="--enable-neon"
        fi
    fi
    [ -z "$optimization" ] && optimization="--enable-uint32"
 
    #gettings sources
    cd /tmp && rm -rf /tmp/libdvbcsa
    git clone https://github.com/oe-mirrors/libdvbcsa.git /tmp/libdvbcsa
    cd /tmp/libdvbcsa

    echo -e "\nlibdvbcsa optimization autodetection: $optimization\n"
    sleep 5
 
    #compile & install
    ./bootstrap && \
    ./configure $optimization
    make -j$(nproc)
    make install

    #update library cache
    ldconfig

    #cleanup
    cd /tmp && rm -rf /tmp/libdvbcsa
}