Static Windows (x86) Builds of ffmpeg master and latest release branch. Windows builds are targetting Windows 7 and newer. Linux (x86_64) builds are targetting Ubuntu 16.04 (glibc-2.23 + linux-4.4) ...
To assemble the programs you need the NASM assembler. All headers are generated via macro's so you can compile on every platform and don't need specific Windows linkers. You could run the build.sh ...