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authorMichael Niedermayer <michaelni@gmx.at>2014-03-24 05:01:32 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-03-24 05:01:32 +0100
commitc9c0451224fd7bc38b4e135e99f114f80c1ae67f (patch)
treeb5117807c46e1854372107741cb34bc3b5b2178a /libswscale
parent8683fa541bdf2998f6167b43b72b09f701fec573 (diff)
swscale/swscale: fix integer overflow
Should fix fate failure with clang ftrapv Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/swscale.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 1d623e77a2..f529331f0f 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -208,8 +208,9 @@ static void lumRangeToJpeg16_c(int16_t *_dst, int width)
{
int i;
int32_t *dst = (int32_t *) _dst;
- for (i = 0; i < width; i++)
- dst[i] = (FFMIN(dst[i], 30189 << 4) * 4769 - (39057361 << 2)) >> 12;
+ for (i = 0; i < width; i++) {
+ dst[i] = ((int)(FFMIN(dst[i], 30189 << 4) * 4769U - (39057361 << 2))) >> 12;
+ }
}
static void lumRangeFromJpeg16_c(int16_t *_dst, int width)