WTInvGetBufSize

Computes the size of external work buffer for an inverse wavelet transform.

Syntax

IppStatus ippiWTInvGetBufSize_C1R( const IppiWTInvSpec_32f_C1R* pSpec, int* pBufferSize);

IppStatus ippiWTInvGetBufSize_C3R( const IppiWTInvSpec_32f_C3R* pSpec, int* pBufferSize);

Parameters

pSpec: Pointer to an allocated and initialized inverse DWT context structure.
pBufferSize: Pointer to a variable that will receive the size of work buffer for inverse wavelet transform.

Description

The function ippiWTInvGetBufSize is declared in the ippi.h file. This function computes the size in bytes of the work buffer that is required for the inverse wavelet transform function ippiWTInv to operate.

Example “Using Intel IPP Functions for Wavelet Transforms” shows how to use the function ippiWTInvGetBufSize_32f_C1R.

Return Values

ippStsNoErr	Indicates no error. Any other value indicates an error or a warning.
ippStsNullPtrErr	Indicates an error condition if any of the specified pointers is `NULL`.
ippStsContextMatchErr	Indicates an error condition if a pointer to an invalid context structure is passed.