From 629fcda4dace5e817f5d407453774b2dc295c0e8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 3 Sep 2015 14:39:08 +0200 Subject: [PATCH] avfilter/avf_showfreqs: Use floating point division in WFUNC_BHANN Fixes: CID1322365 Reviewed-by: Paul B Mahol Signed-off-by: Michael Niedermayer --- libavfilter/avf_showfreqs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/avf_showfreqs.c b/libavfilter/avf_showfreqs.c index a1ef0bf816..cbbf040c79 100644 --- a/libavfilter/avf_showfreqs.c +++ b/libavfilter/avf_showfreqs.c @@ -208,7 +208,7 @@ static void generate_window_func(float *lut, int N, int win_func, float *overlap break; case WFUNC_BHANN: for (n = 0; n < N; n++) - lut[n] = 0.62-0.48*FFABS(n/(N-1)-.5)-0.38*cos(2*M_PI*n/(N-1)); + lut[n] = 0.62-0.48*FFABS(n/(double)(N-1)-.5)-0.38*cos(2*M_PI*n/(N-1)); *overlap = 0.5; break; case WFUNC_SINE: