리눅스 ffmpeg CUDA 비디오 코덱 연동 빌드 - build ffmpeg with cuda video codec on linux

1. nvidia 드라이버, cuda 툴킷 설치 - /usr/local/cuda

2. cuda video codec 설치 - /home/ubuntu/work/Video_Codec_SDK_7.0.1

3. x264 설치(비교 테스트용) - /home/ubuntu/work/x264/build

4. ffmpeg 빌드(64비트)

./configure --prefix=./build/ --enable-shared --disable-static --enable-cuda --enable-nvenc --enable-nonfree --extra-cflags=-I/usr/local/cuda-8.0/include \

--extra-cflags=-I/home/ubuntu/work/Video_Codec_SDK_7.0.1/Samples/common/inc --arch=x86_6

4 --enable-libx264 --enable-gpl --extra-cflags=-I/home/ubuntu/work/x264/build/include --extra-ldflags=-L/home/ubuntu/work/x264/build/lib