sudo apt-get install build-essential git yasm nasm unzip wget sysstat
apt-get install nvidia-384 nvidia-384-dev -y
// need to reboot
lsmod | grep nvidia

mkdir Development
chmod 777 Development
cd Development

// P4000
sudo apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/7fa2af80.pub
// K10
None
//wget http://www.ezhometech.com/document/cuda.deb
//sudo dpkg -i cuda.deb
//sudo apt-get update
//sudo apt-get install cuda

git clone git://source.ffmpeg.org/ffmpeg.git
cd ffmpeg
git checkout 7414d0bda7763f9bd69c26c068e482ab297c1c96
git reset --hard
./configure --enable-cuda --enable-cuvid --enable-nvenc --enable-nonfree --extra-cflags=-I/usr/local/cuda/include --extra-ldflags=-L/usr/local/cuda/lib64
make -j 10

cp ffmpeg /home/udp_panel/

cd /home/udp_panel

// Check if ffmpeg cuda installed
./ffmpeg -hwaccels
//response message
cuda
cuvid

./ffmpeg -encoders | grep 264
// repsonse message
V..... nvenc NVIDIA NVENC h264 encoder (codec h264) 
V..... nvenc_h264 NVIDIA NVENC h264 encoder (codec h264)

./ffmpeg -decoders | grep h264_cuvid
// repsonse message
V..... h264_cuvid Nvidia CUVID H264 decoder (codec h264)

// ffmpeg example

cd /home/ezserver_enterprise
./ffmpeg  -i http://source_link -f mpegts udp://127.0.0.1:9011?pkt_size=1316 
./ffmpeg  -i udp://224.1.1.1:1234 -c:v h264_nvenc -b:v 600k -bufsize 1M  -gpu 0 -f mpegts udp://127.0.0.1:9011?pkt_size=1316 
./ffmpeg  -hwaccel_device 0 -hwaccel cuvid -c:v h264_cuvid -deint 1 -i http://source_link -c:v nvenc_h264 -b:v 600k -bufsize 1M -gpu 0 -f mpegts udp://172.16.120.200:1234?pkt_size=1316 
./ffmpeg  -i udp://238.0.0.3:1000 -gpu 0 -c:v h264_nvenc -b:v 600k -bufsize 1M  -f mpegts udp://127.0.0.1:9011?pkt_size=1316 
./ffmpeg  -i http://38.17.49.160:3000/btidora/19781974/7 -c:v h264_nvenc -b:v 600k -bufsize 1M  -f mpegts udp://127.0.0.1:9011?pkt_size=1316