lavfi/lut3d: avoid overread.

91b46145 · Clément Bœsch · 657875b1 · 91b46145
Commit 91b46145 authored May 22, 2013 by Clément Bœsch
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vf_lut3d.c libavfilter/vf_lut3d.c +1 -1

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--- a/libavfilter/vf_lut3d.c
+++ b/libavfilter/vf_lut3d.c
@@ -94,7 +94,7 @@ static inline struct rgbvec lerp(const struct rgbvec *v0, const struct rgbvec *v

 #define NEAR(x) ((int)((x) + .5))
 #define PREV(x) ((int)(x))
-#define NEXT(x) ((int)(x) + 1)
+#define NEXT(x) (FFMIN((int)(x) + 1, lut3d->lutsize - 1))

 /**
 * Get the nearest defined point