[FFMPEG]3.SDK代码开发：源码编译和安装

    #! /bin/bash
    prefix=/usr/local
    export PKG_CONFIG_PATH=${prefix}/lib/pkgconfig:$PKG_CONFIG_PATH
    
    ##ffmpeg依赖库
    echo "Install libs(sdl,sdl2,fontconfig,fribidi,yasm) for ffmpeg"
    apt install -y  libsdl1.2-dev libsdl-image1.2-dev libsdl-mixer1.2-dev libsdl-ttf2.0-dev libsdl-gfx1.2-dev libsdl2-* *fontconfig* *fribidi* yasm
    
    bash configure \
    --prefix=${prefix} \
    --extra-ldflags=-L${prefix}/lib \
    --extra-cflags=-I${prefix}/include \
    --enable-shared \
    --disable-static \
    --en