diff options
Diffstat (limited to 'libavcodec/mathops.h')
| -rw-r--r-- | libavcodec/mathops.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/mathops.h b/libavcodec/mathops.h index d6eb98ddac..ab545ef504 100644 --- a/libavcodec/mathops.h +++ b/libavcodec/mathops.h @@ -138,6 +138,13 @@ if ((y) < (x)) {\ } #endif +#ifndef MASK_ABS +#define MASK_ABS(mask, level) do { \ + mask = level >> 31; \ + level = (level ^ mask) - mask; \ + } while (0) +#endif + #ifndef NEG_SSR32 # define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s))) #endif |