AAC_HALF_SUM       76 libavcodec/aac_defines.h #define AAC_HALF_SUM(x, y)  (((x) >> 1) + ((y) >> 1))
AAC_HALF_SUM      111 libavcodec/aac_defines.h #define AAC_HALF_SUM(x, y)  ((x) + (y)) * 0.5f