From 49a1de26ec6c358e5367ba1fb6e5828196626201 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Sun, 4 Sep 2022 16:38:00 +0200 Subject: [PATCH] avfilter/vf_gblur: handle cases when parameters become invalid --- libavfilter/vf_gblur.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavfilter/vf_gblur.c b/libavfilter/vf_gblur.c index 8bb851a774..bb4c342116 100644 --- a/libavfilter/vf_gblur.c +++ b/libavfilter/vf_gblur.c @@ -207,6 +207,12 @@ static void set_params(float sigma, int steps, float *postscale, float *boundary *postscale = pow(dnu / lambda, steps); *boundaryscale = 1.0 / (1.0 - dnu); *nu = (float)dnu; + if (!isnormal(*postscale)) + *postscale = 1.f; + if (!isnormal(*boundaryscale)) + *boundaryscale = 1.f; + if (!isnormal(*nu)) + *nu = 0.f; } static int filter_frame(AVFilterLink *inlink, AVFrame *in)