DCTFwdFree

Deallocates memory used by the forward DCT context structure.

Syntax

IppStatus ippiDCTFwdFree_32f (IppiDCTFwdSpec_32f* pDCTSpec);

Parameters

pDCTSpec

Pointer to the forward DCT context structure that has to be released.

Description

The function ippiDCTFwdFree is declared in the ippi.h file. This function releases memory used by the previously initialized forward DCT context structure pDCTSpec. Call this function after your application program has finished computing the forward discrete cosine transforms.

Return Values

ippStsNoErr	Indicates no error. Any other value indicates an error or a warning.
ippStsNullPtrErr	Indicates an error condition if pDCTSpec pointer is `NULL`.
ippStsContextMatchErr	Indicates an error condition if a pointer to an invalid pDCTSpec structure is passed.