diff options
| -rw-r--r-- | libavcodec/mathops.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/mathops.h b/libavcodec/mathops.h index 5782459080..e33f3bf303 100644 --- a/libavcodec/mathops.h +++ b/libavcodec/mathops.h @@ -53,6 +53,12 @@ static av_always_inline int MULH(int a, int b){ } #endif +#ifndef UMULH +static av_always_inline unsigned UMULH(unsigned a, unsigned b){ + return ((uint64_t)(a) * (uint64_t)(b))>>32; +} +#endif + #ifndef MUL64 # define MUL64(a,b) ((int64_t)(a) * (int64_t)(b)) #endif |