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-rw-r--r--libavfilter/vf_cover_rect.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_cover_rect.c b/libavfilter/vf_cover_rect.c
index d12807ad53..c2020bb392 100644
--- a/libavfilter/vf_cover_rect.c
+++ b/libavfilter/vf_cover_rect.c
@@ -132,7 +132,7 @@ static void blur(CoverContext *cover, AVFrame *in, int offx, int offy)
s += data[x + h*stride] * scale;
c += scale;
}
- data[x + y*stride] = (s + (c>>1)) / c;
+ data[x + y*stride] = c ? (s + (c>>1)) / c : 0;
}
}
}