Open and compile the "libmad" solution
'''Note for x64:''' When you want to build a x64 library for libmad you will need to create your own x64 config for it. You can do so by easy conversion of the existing libmad solution files for x86.
Afterward you will need to edit the preprocessor definitons via: Properties -> Configuration Properties -> C/C++ -> Preprocessor -> Preprocessor Definitions: there you will need to replace "FPM_INTEL" with "FPM_64BIT" there.
You will also need to apply the following patch to mad.h: TODO (host it somewhere...)