MDCTQuantInv

Performs inverse split spherical vector quantization.

Syntax

IppStatus ippsMDCTQuantInv_G7291_32u16s(const Ipp32u pSrc[18], const Ipp16s pBitsNumber[18], const Ipp16s pQuantSpecEnv[18], Ipp16s pDstMDCTCoeffs[320]);

Parameters

pSrc	Pointer to the input vector quantization indices.
pBitsNumber	Pointer to the input number of bits allocated per subbands.
pQuantSpecEnv	Pointer to the input quantized spectrum envelope.
pDstMDCTCoeffs	Pointer to the output MDCT coefficients.

Description

The function ippsMDCTQuantInv_G7291 is declared in the ippsc.h file. This function decoding of MDCT vector quantization indices. See [ITU7291] section 7.3.5.

Return Values

ippStsNoErr	Indicates no error.
ippStsNullPtrErr	Indicates an error when one of the specified pointers is NULL.