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-rw-r--r--libass/ass_parse.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libass/ass_parse.c b/libass/ass_parse.c
index 3456410..56a02be 100644
--- a/libass/ass_parse.c
+++ b/libass/ass_parse.c
@@ -181,7 +181,7 @@ inline void change_alpha(uint32_t *var, int32_t new, double pwr)
*/
inline uint32_t mult_alpha(uint32_t a, uint32_t b)
{
- return a - (uint64_t) a * b / 0xFF + b;
+ return a - ((uint64_t) a * b + 0x7F) / 0xFF + b;
}
/**