DWT kernels on Q15 input values

Module: Transform Functions / DWT transforms

Functions

	Name
void	plp_dwt_q16p_xpulpv2(void * args) Q15 fixed-point DWT for XPULPV2 extension.
void	plp_dwt_haar_q16p_xpulpv2(void * args) q15 fixed-point DWT kernel optimized for Haar Wavelet for XPULPV2 extension.
void	plp_dwt_q16s_xpulpv2(const int16_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_q16 wavelet, plp_dwt_extension_mode mode, int16_t restrict pDstA, int16_t *restrict pDstD) Q15 fixed-point DWT for XPULPV2 extension.
void	plp_dwt_haar_q16s_xpulpv2(const int16_t restrict pSrc, uint32_t length, plp_dwt_extension_mode mode, int16_t restrict pDstA, int16_t *restrict pDstD) q15 fixed-point DWT kernel optimized for Haar Wavelet for XPULPV2 extension.

Detailed Description

These kernels calculate the DWT transform on Q15 fixed point data.

Functions Documentation

function plp_dwt_q16p_xpulpv2

void plp_dwt_q16p_xpulpv2(
    void * args
)

Q15 fixed-point DWT for XPULPV2 extension.

Parameters:

args points to the plp_dwt_instance_q16

Return: none

function plp_dwt_haar_q16p_xpulpv2

void plp_dwt_haar_q16p_xpulpv2(
    void * args
)

q15 fixed-point DWT kernel optimized for Haar Wavelet for XPULPV2 extension.

Parameters:

args points to the plp_dwt_instance_q16

Return: none

function plp_dwt_q16s_xpulpv2

void plp_dwt_q16s_xpulpv2(
    const int16_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_q16 wavelet,
    plp_dwt_extension_mode mode,
    int16_t *__restrict__ pDstA,
    int16_t *__restrict__ pDstD
)

Q15 fixed-point DWT for XPULPV2 extension.

Parameters:

pSrc points to the input buffer (q15)
length length of input buffer
wavelet wavelet structure for calculating DWT
mode boundary extension mode
pDstA points to ouput buffer with Approximate coefficients
pDstD points to ouput buffer with Detailed coefficients

Return: none

16bit Fixed-point DWT for XPULPV2 extension.

function plp_dwt_haar_q16s_xpulpv2

void plp_dwt_haar_q16s_xpulpv2(
    const int16_t *__restrict__ pSrc,
    uint32_t length,
    plp_dwt_extension_mode mode,
    int16_t *__restrict__ pDstA,
    int16_t *__restrict__ pDstD
)

q15 fixed-point DWT kernel optimized for Haar Wavelet for XPULPV2 extension.

Parameters:

pSrc points to the input buffer (q15)
length length of input buffer
mode boundary extension mode
pDstA points to ouput buffer with Approximate coefficients
pDstD points to ouput buffer with Detailed coefficients

Return: none

16bit Fixed-point DWT kernel optimized for Haar Wavelet on real input data for XPULPV2 extension.

Updated on 2023-03-01 at 16:16:32 +0000