HIST_GRAIN 65 libavfilter/f_ebur128.c #define HIST_SIZE ((ABS_UP_THRES - ABS_THRES) * HIST_GRAIN + 1) HIST_GRAIN 489 libavfilter/f_ebur128.c h[i].loudness = i / (double)HIST_GRAIN + ABS_THRES; HIST_GRAIN 561 libavfilter/f_ebur128.c #define HIST_POS(power) (int)(((power) - ABS_THRES) * HIST_GRAIN)