DCT2x4x8Frw

Performs DCT for a block of type 2.

Syntax

IppStatus ippiDCT2x4x8Frw_16s_C1I(Ipp16s* pSrcDst);

Parameters

pSrcDst

Pointer to the block.

Description

This function is declared in the ippvc.h header file. The function ippiDCT2x4x8Frw_16s_C1I performs the DCT for block of type 2. Formula for DCT is as follows:



where





Return Values

ippStsNoErr

Indicates no error.

ippStsNullPtrErr

Indicates an error when pSrcDst is NULL.


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