From fa045c3ce288e3ffb6292cb8c0a1b21481de6974 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Mon, 16 Sep 2019 10:57:09 +0200 Subject: [PATCH] avfilter/window_func: clarify intention in dolph window calculation --- libavfilter/window_func.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/window_func.h b/libavfilter/window_func.h index 1de8f1fbdb..494c5b1c66 100644 --- a/libavfilter/window_func.h +++ b/libavfilter/window_func.h @@ -133,7 +133,7 @@ static inline void generate_window_func(float *lut, int N, int win_func, for (c = 1 - 1 / (b*b), n = (N-1) / 2; n >= 0; --n) { for (sum = !n, b = t = j = 1; j <= n && sum != t; b *= (n-j) * (1./j), ++j) t = sum, sum += (b *= c * (N - n - j) * (1./j)); - sum /= (N - 1 - n), sum /= (norm = norm ? norm : sum); + sum /= (N - 1 - n), norm = norm ? norm : sum, sum /= norm; lut[n] = sum; lut[N - 1 - n] = sum; }