1、ffmpeg编译命令
./configure --prefix=/usr/local --enable-shared --enable-libx264
--enable-libwebp --enable-nonfree --enable-gpl --enable-libfreetype
--enable-libfontconfig --enable-libfribidi --enable-debug
--disable-asm --disable-stripping --enable-openssl &&make -j4 && make install && hash -r