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authorMichael Niedermayer <michaelni@gmx.at>2015-02-17 00:47:47 +0100
committerMichael Niedermayer <michaelni@gmx.at>2015-02-17 00:47:47 +0100
commitf15c734be1650cee240cd65b0dbd31fe6993a5bc (patch)
tree30487d26150491ecdebd400cc2043213e354d2ea /libavfilter/vf_phase.c
parent0cb95f908298bf31058fc0d08d13178bebfa3170 (diff)
avfilter/vf_phase: Add () to protect DIFF()s arguments
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/vf_phase.c')
-rw-r--r--libavfilter/vf_phase.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_phase.c b/libavfilter/vf_phase.c
index 82dc603efe..23b339c880 100644
--- a/libavfilter/vf_phase.c
+++ b/libavfilter/vf_phase.c
@@ -106,7 +106,7 @@ static int config_input(AVFilterLink *inlink)
*
* (The result is actually multiplied by 25)
*/
-#define DIFF(a, as, b, bs) (t = ((*a - b[bs]) << 2) + a[as << 1] - b[-bs], t * t)
+#define DIFF(a, as, b, bs) ((t) = ((*(a) - (b)[bs]) << 2) + (a)[(as) << 1] - (b)[-(bs)], (t) * (t))
/*
* Find which field combination has the smallest average squared difference