环境：Ubuntu 18.04

安装依赖库下载源码

sudo apt-get install cmake g++ nasm yasm make diffutils pkg-config git mercurial -y  #安装依赖库
git clone https://code.videolan.org/videolan/x264.git #下载x264源码
hg clone http://hg.videolan.org/x265                  #下载x265源码
git clone https://github.com/mstorsjo/fdk-aac.git     #下载aac源码
git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg    #下载ffmpeg源码

编译x264

cd x264
./configure --enable-shared prefix=/usr
make -j 16
sudo make install

编译x265

cd x265_3.3/build/linux
./make-Makefiles.bash
make -j 16 
sudo make install

编译aac

cd fdk-aac-2.0.1$
./autogen.sh
./configure --enable-shared --prefix=/usr
make -j 16
sudo make install

编译ffmpeg

cd ffmpeg
./configure --prefix=/usr --enable-shared --disable-programs --disable-ffplay --disable-ffmpeg --disable-ffprobe --enable-libx264 --enable-gpl --enable-libfdk-aac --enable-nonfree --enable-libx265
make -j 16
make install

例程测试

first_ffmpeg:First_ffmpeg.cpp
	g++ $^ -o $@ -lavcodec