Fix looprestoration intermediate upper limit

Fixes #80.

Fix looprestoration intermediate upper limit
Fixes #80.
d41c68cf · Ronald S. Bultje · 80e47425 · d41c68cf
Commit d41c68cf authored Oct 20, 2018 by Ronald S. Bultje
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src/looprestoration.c src/looprestoration.c +1 -1

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--- a/src/looprestoration.c
+++ b/src/looprestoration.c
@@ -162,7 +162,7 @@ static void wiener_c(pixel *p, const ptrdiff_t p_stride,
            }

            hor_ptr[i] =
-                iclip((sum + rounding_off_h) >> round_bits_h, 0, clip_limit);
+                iclip((sum + rounding_off_h) >> round_bits_h, 0, clip_limit - 1);
        }
        tmp_ptr += REST_UNIT_STRIDE;
        hor_ptr += REST_UNIT_STRIDE;