diff options
| -rw-r--r-- | libavutil/common.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavutil/common.h b/libavutil/common.h index 92c0d08552..ae325122a5 100644 --- a/libavutil/common.h +++ b/libavutil/common.h @@ -427,6 +427,13 @@ static inline int mid_pred(int a, int b, int c) #endif } +/** + * clip a signed integer value into the amin-amax range + * @param a value to clip + * @param amin minimum value of the clip range + * @param amax maximum value of the clip range + * @return cliped value + */ static inline int clip(int a, int amin, int amax) { if (a < amin) @@ -437,6 +444,11 @@ static inline int clip(int a, int amin, int amax) return a; } +/** + * clip a signed integer value into the 0-255 range + * @param a value to clip + * @return cliped value + */ static inline uint8_t clip_uint8(int a) { if (a&(~255)) return (-a)>>31; |