LOUDNESS          534 libavfilter/f_ebur128.c     integ->rel_threshold = LOUDNESS(relative_threshold) + gate_thres;
LOUDNESS          644 libavfilter/f_ebur128.c     loudness_##time = LOUDNESS(power_##time);                                       \
LOUDNESS          667 libavfilter/f_ebur128.c                     ebur128->integrated_loudness = LOUDNESS(integrated_sum / nb_integrated);