avcodec/jpeg2000: support >32bit in ff_jpeg2000_ceildivpow2()

Fixes part of Ticket4680

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-28 02:31:26 +02:00
parent f01028bf58
commit cd1a9908b5

View File

@ -215,7 +215,7 @@ typedef struct Jpeg2000Component {
/* misc tools */
static inline int ff_jpeg2000_ceildivpow2(int a, int b)
{
return -((-a) >> b);
return -(((int64_t)(-a)) >> b);
}
static inline int ff_jpeg2000_ceildiv(int a, int b)