From cd96211ace22224e27d00ed8bf92955e48ebff73 Mon Sep 17 00:00:00 2001 From: Hendrik Leppkes Date: Tue, 5 Apr 2022 22:37:22 +0200 Subject: [PATCH] avfilter/f_ebur128: multiply in integer first, before dividing in float Restores the order of operations from before 15a1104, which reduces errors from floating point calculations, and fixes FATE on mingw64. --- libavfilter/f_ebur128.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/f_ebur128.c b/libavfilter/f_ebur128.c index 1b1bcf1bff..a036aa0c86 100644 --- a/libavfilter/f_ebur128.c +++ b/libavfilter/f_ebur128.c @@ -768,7 +768,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples) /* get lower loudness to consider */ n = 0; - nb_pow = LRA_LOWER_PRC * 0.01 * nb_powers + 0.5; + nb_pow = LRA_LOWER_PRC * nb_powers * 0.01 + 0.5; for (i = gate_hist_pos; i < HIST_SIZE; i++) { n += ebur128->i3000.histogram[i].count; if (n >= nb_pow) { @@ -779,7 +779,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples) /* get higher loudness to consider */ n = nb_powers; - nb_pow = LRA_HIGHER_PRC * 0.01 * nb_powers + 0.5; + nb_pow = LRA_HIGHER_PRC * nb_powers * 0.01 + 0.5; for (i = HIST_SIZE - 1; i >= 0; i--) { n -= FFMIN(n, ebur128->i3000.histogram[i].count); if (n < nb_pow) {