MAD: MPEG Audio Decoder 0.15.1b
http://www.underbit.com/products/mad/

defines:
FPM_DEFAULT (non ARM GCC)
FPM_ARM (ARM GCC)
OPT_SPEED
ASO_INTERLEAVE1 (non MIPS)
ASO_INTERLEAVE2 (MIPS)
ASO_ZEROCHECK   (MIPS)
inline=__inline (MSVC)
BUILDFIXED (WIN32,WINCE)

libmad:
minimad.c not needed
decoder.c not needed
decoder.h not needed
version.c not needed
version.h not needed
timer.c not needed
timer.h not needed
global.h abort() -> exit(1)
frame.c comment out "mad_timer_set" and "mad_timer_zero"
layer3.c rq_table.dat eliminated and fixedfloat with long exponent (evc vs gcc compability)
huffman.c renamed to huffmanmad.c