Evaluates mean absolute deviation for a 8x8 block.
Syntax
IppStatus ippiMeanAbsDev8x8_8u32s_C1R(const Ipp8u* pSrc, int srcStep, Ipp32s* pDst);
Parameters
pSrc |
Pointer to the block 8x8. |
srcStep |
Step of the block. |
pDst |
Pointer to the deviation. |
Description
The function ippiMeanAbsDev8x8_8u32s_C1R is declared in the ippvc.h file. This function evaluates the mean absolute deviation for a 8x8 block by the following formula:
where Mean is evaluated by the formula
This function is used in the H.261, H.263, and MPEG-4 encoders included into Intel IPP Samples. See introduction to Motion Estimation.
Return Values
ippStsNoErr |
Indicates no error. |
ippStsNullPtrErr |
Indicates an error condition if at least one of the specified pointers is NULL. |