ATRAC3P_MDCT_SIZE 478 libavcodec/atrac3plusdsp.c fdsp->vector_fmul(pOut, pOut, ff_sine_128, ATRAC3P_MDCT_SIZE / 2); ATRAC3P_MDCT_SIZE 485 libavcodec/atrac3plusdsp.c ATRAC3P_MDCT_SIZE / 2);