This will not overflow for normal values
Fixes: CID1500280 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bfc22f364d31d8f2dc2acae1bd03d5894a00b8c5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>