AnalysisFilterInit_SBR

Initializes analysis SBR specification structure.

Syntax

Case 1: Operation on float-point signal.

IppStatus ippsAnalysisFilterInit_SBR_RToC_32f32fc(IppsFilterSpec_SBR_C_32fc** ppFilterSpec, Ipp8u* pMemSpec, Ipp8u* pInitBuf);

IppStatus ippsAnalysisFilterInit_SBR_RToC_32f(IppsFilterSpec_SBR_C_32f** ppFilterSpec, Ipp8u* pMemSpec, Ipp8u* pInitBuf);

IppStatus ippsAnalysisFilterInit_SBR_RToR_32f(IppsFilterSpec_SBR_R_32f** ppFilterSpec, Ipp8u* pMemSpec, Ipp8u* pInitBuf);

Case 2: Operation on fixed-point signal.

IppStatus ippsAnalysisFilterInit_SBRHQ_32s32sc(IppsFilterSpec_SBR_C_32sc* pFilterSpec);

IppStatus ippsAnalysisFilterInit_SBRLP_32s(IppsFilterSpec_SBR_R_32s* pFilterSpec);

Parameters

ppFilterSpec

Double pointer to the analysis SBR specification structure.

pMemSpec

Pointer to the area for the analysis SBR specification structure.

pInitBuf

Pointer to the initialization buffer.

Description

These functions are declared in the ippac.h file. The functions initialize the analysis structures:

ippsAnalysisFilterInit_SBR_RToC_32f32fc initializes the specification structure for ippsAnalysisFilter_SBR_RToC_32f32fc_D2L.

ippsAnalysisFilterInit_SBR_RToC_32finitializes the specification structure for ippsAnalysisFilter_SBR_RToC_32f_D2L.

ippsAnalysisFilterInit_SBR_RToR_32f initializes the specification structure for ippsAnalysisFilter_SBR_RToR_32f_D2L.

ippsAnalysisFilterInit_SBRHQ_32s32sc initializes the specification structure for ippsAnalysisFilter_SBRHQ_32s32sc.

ippsAnalysisFilterInit_SBRLP_32s initializes the specification structure for ippsAnalysisFilter_SBRLP_32s.

AAC decoder included into IPP Samples uses the functions ippsAnalysisFilterInit_SBR_RToC_32f and ippsAnalysisFilterInit_SBR_RToR_32f in the float-point version, and functions ippsAnalysisFilterInit_SBRHQ_32s32sc and ippsAnalysisFilterInit_SBRLP_32s in the fixed-point version. See introduction to this section.

Return Values

ippStsNoErr

Indicates no error.

ippStsNullPtrErr

Indicates an error when at least one of the specified pointers is NULL.

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