./configure --enable-cross-compile --cross-prefix=/home/user/x-tools/arm-unknown-linux-gnueabihf/bin/arm-unknown-linux-gnueabihf- --arch=armhf --target-os=linux --prefix=/home/user/ffmpeg-bin --enable-gpl --enable-nonfree --enable-libfdk-aac --extra-cflags=-I/home/user/fdk-aac-bin/include --extra-ldflags=-L/home/user/fdk-aac-bin/lib --extra-ldflags=-L/usr/lib/arm-linux-gnueabihf --enable-indev=alsa --enable-outdev=alsa