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Code Issues Releases Activity

avfilter/vf_palettegen: fix integer overflow

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This commit is contained in:
Paul B Mahol 2021-08-18 23:25:11 +02:00
parent 4cdab8d022
commit 124eec942a
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_palettegen.c
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@ -113,8 +113,8 @@ static int cmp_##name(const void *pa, const void *pb) \
{ \
const struct color_ref * const *a = pa; \
const struct color_ref * const *b = pb; \
return ((*a)->color >> (8 * (2 - (pos))) & 0xff) \
- ((*b)->color >> (8 * (2 - (pos))) & 0xff); \
return (int)((*a)->color >> (8 * (2 - (pos))) & 0xff) \
- (int)((*b)->color >> (8 * (2 - (pos))) & 0xff); \
}
DECLARE_CMP_FUNC(r, 0)