安裝msys2
更新源使下載速度更快
進入msys64/etc/pacman.d/目錄中，分別在三個文件中增加
mirrorlist.mingw32
Server = http://mirrors.ustc.edu.cn/msys2/mingw/i686
mirrorlist.mingw64
Server = http://mirrors.ustc.edu.cn/msys2/mingw/x86_64
mirrorlist.msys
Server = http://mirrors.ustc.edu.cn/msys2/msys/$arc
打開msys2，輸入 pacman -Syuu更新
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pacman -S --needed base-devel mingw-w64-x86_64-toolchain
打開msys2下的mingw64.exe
cd /h/software/GUI/ffmpeg
./configure --prefix=H:\software\GUI\ffmpeg\ffmpeg_build
make && make install