ffmpeg defines some of the math constants if they are not found before including any of its headers, this lead to a build warnings about M_E, M_LN2 and M_SQRT1_2 being redefined once BLI_math_base.h gets included.
ffmpeg defines some of the math constants if they are not found before including any of its headers, this lead to a build warnings about M_E, M_LN2 and M_SQRT1_2 being redefined once BLI_math_base.h gets included.