B4                 44 libavcodec/faandct.c #define B4 1.000000000000000000000000000000000000 // (cos(pi*4/16)sqrt(2))^-1
B4                 31 libavcodec/faanidct.c #define B4 1.0000000000000000000000 // cos(pi*4/16)sqrt(2)