HISTOGRAM_SLOTS   309 libavfilter/af_replaygain.c     uint32_t histogram[HISTOGRAM_SLOTS];
HISTOGRAM_SLOTS   535 libavfilter/af_replaygain.c     for (i = 0; i < HISTOGRAM_SLOTS; i++)
HISTOGRAM_SLOTS   570 libavfilter/af_replaygain.c     level = av_clip(level, 0, HISTOGRAM_SLOTS - 1);