diff options
Diffstat (limited to 'third_party/aom/av1/common/odintrin.h')
| -rw-r--r-- | third_party/aom/av1/common/odintrin.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/odintrin.h b/third_party/aom/av1/common/odintrin.h index 3a778abbd..a50c456c1 100644 --- a/third_party/aom/av1/common/odintrin.h +++ b/third_party/aom/av1/common/odintrin.h @@ -89,6 +89,12 @@ extern "C" { typedef int od_coeff; +/*This is the strength reduced version of ((_a)/(1 << (_b))). + This will not work for _b == 0, however currently this is only used for + b == 1 anyway.*/ +# define OD_UNBIASED_RSHIFT32(_a, _b) \ + (((int32_t)(((uint32_t)(_a) >> (32 - (_b))) + (_a))) >> (_b)) + #define OD_DIVU_DMAX (1024) extern uint32_t OD_DIVU_SMALL_CONSTS[OD_DIVU_DMAX][2]; |