AAC_MUL26 51 libavcodec/aac_defines.h #define AAC_MUL26(x, y) (int)(((int64_t)(x) * (y) + 0x2000000) >> 26) AAC_MUL26 100 libavcodec/aac_defines.h #define AAC_MUL26(x, y) ((x) * (y))