sudo apt-get install build-essential git yasm nasm unzip wget sysstat

apt-get install nvidia-384 nvidia-384-dev -y
apt-get install nvidia-cuda-toolkit --install-recommends -y

sudo systemctl reboot

mkdir Development
cd Development
wget -c https://github.com/jniltinho/oficinadotux/raw/master/ffmpeg_nvenc/Video_Codec_SDK_8.0.14.zip
unzip Video_Codec_SDK_8.0.14.zip
sudo cp Video_Codec_SDK_8.0.14/Samples/common/inc/*.h /usr/local/include

wget http://developer.download.nvidia.com/compute/redist/ffmpeg/1511-patch/cudautils.zip
unzip cudautils.zip
cd cudautils
make
cd ..
git clone git://git.videolan.org/x264.git
cd x264
./configure --disable-cli --enable-static --enable-shared --disable-asm --enable-strip
make -j 4
sudo make install
sudo ldconfig
cd ..


git clone git://source.ffmpeg.org/ffmpeg.git
wget http://developer.download.nvidia.com/compute/redist/ffmpeg/1511-patch/ffmpeg_NVIDIA_gpu_acceleration.patch
cd ffmpeg
git reset --hard b83c849e8797fbb972ebd7f2919e0f085061f37f
git apply ../ffmpeg_NVIDIA_gpu_acceleration.patch

****
replace libavcodec/libx264.c by ezhometech libx264.c
****

cd ..
mkdir ffmpeg_build
cd ffmpeg_build
../ffmpeg/configure --enable-nonfree --enable-nvenc --enable-nvresize --extra-cflags=-I../cudautils --extra-ldflags=-L../cudautils --enable-gpl --enable-libx264
make -j 4
./ffmpeg -encoders | grep 264
./ffmpeg -filters | grep nvresize
sudo make install
sudo ldconfig