lavfi/lut3d: avoid overread.

12 years ago · 91b461459a
parent 657875b145
commit 91b461459a
1 changed files with 1 additions and 1 deletions
--- 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