DWT transforms

Module: Transform Functions

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Modules

Name
DWT kernels on real input values
DWT kernels on Q15 input values
DWT kernels on Q31 input values
DWT kernels on Q7 input values

Functions

	Name
void	plp_dwt_f32(const float32_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_f32 wavelet, plp_dwt_extension_mode mode, float32_t restrict pDstA, float32_t *restrict pDstD) Floating-point DWT on real input data for XPULPV2 extension.
void	plp_dwt_dec_f32(const float32_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_f32 wavelet, plp_dwt_extension_mode mode, uint32_t level, float32_t restrict pTmp, float32_t *restrict pDst) Floating-point n-level DWT for XPULPV2 extension.
void	plp_dwt_f32_parallel(const float32_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_f32 wavelet, plp_dwt_extension_mode mode, uint32_t nPE, float32_t restrict pDstA, float32_t *restrict pDstD) Parallel Floating-point DWT on real input data for XPULPV2 extension.
void	plp_dwt_dec_f32_parallel(const float32_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_f32 wavelet, plp_dwt_extension_mode mode, uint32_t level, uint32_t nPE, float32_t restrict pTemp, float32_t *restrict pDst) Floating-point parallel n-level DWT for XPULPV2 extension.
void	plp_dwt_q16(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) 16bit Fixed-point DWT on real input data for XPULPV2 extension.
void	plp_dwt_q16_parallel(const int16_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_q16 wavelet, plp_dwt_extension_mode mode, uint32_t nPE, int16_t restrict pDstA, int16_t *restrict pDstD) 16bit Parallel Fixed-point DWT on real input data for XPULPV2 extension.
void	plp_dwt_q32(const int32_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_q32 wavelet, plp_dwt_extension_mode mode, int32_t restrict pDstA, int32_t *restrict pDstD) 32bit Fixed-point DWT on real input data for XPULPV2 extension.
void	plp_dwt_q32_parallel(const int32_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_q32 wavelet, plp_dwt_extension_mode mode, uint32_t nPE, int32_t restrict pDstA, int32_t *restrict pDstD) 32bit Parallel Fixed-point DWT on real input data for XPULPV2 extension.
void	plp_dwt_q8(const int8_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_q8 wavelet, plp_dwt_extension_mode mode, int8_t restrict pDstA, int8_t *restrict pDstD) 8bit Fixed-point DWT on real input data for XPULPV2 extension.
void	plp_dwt_q8_parallel(const int8_t restrict pSrc, uint32_t length, const plp_dwt_wavelet_q8 wavelet, plp_dwt_extension_mode mode, uint32_t nPE, int8_t restrict pDstA, int8_t *restrict pDstD) 8bit Parallel Fixed-point DWT on real input data for XPULPV2 extension.

Detailed Description

This module contains the code to perform DWT transforms.

Functions Documentation

function plp_dwt_f32

void plp_dwt_f32(
    const float32_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_f32 wavelet,
    plp_dwt_extension_mode mode,
    float32_t *__restrict__ pDstA,
    float32_t *__restrict__ pDstD
)

Floating-point DWT on real input data for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (real data)
• 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

Glue code for matrix addition of a 32-bit integer matrices.

function plp_dwt_dec_f32

void plp_dwt_dec_f32(
    const float32_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_f32 wavelet,
    plp_dwt_extension_mode mode,
    uint32_t level,
    float32_t *__restrict__ pTmp,
    float32_t *__restrict__ pDst
)

Floating-point n-level DWT for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (real data)
• length length of input buffer
• wavelet wavelet structure for calculating DWT
• mode boundary extension mode
• level Levels of Wavelet decomposition
• pDst points to ouput buffer with Detailed coefficients and final approximate

Return: none

function plp_dwt_f32_parallel

void plp_dwt_f32_parallel(
    const float32_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_f32 wavelet,
    plp_dwt_extension_mode mode,
    uint32_t nPE,
    float32_t *__restrict__ pDstA,
    float32_t *__restrict__ pDstD
)

Parallel Floating-point DWT on real input data for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (real data)
• length length of input buffer
• wavelet wavelet structure for calculating DWT
• mode boundary extension mode
• nPE Number of cores to use
• pDstA points to ouput buffer with Approximate coefficients
• pDstD points to ouput buffer with Detailed coefficients

Return: none

function plp_dwt_dec_f32_parallel

void plp_dwt_dec_f32_parallel(
    const float32_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_f32 wavelet,
    plp_dwt_extension_mode mode,
    uint32_t level,
    uint32_t nPE,
    float32_t *__restrict__ pTemp,
    float32_t *__restrict__ pDst
)

Floating-point parallel n-level DWT for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (real data)
• length length of input buffer
• wavelet wavelet structure for calculating DWT
• mode boundary extension mode
• level Levels of Wavelet decomposition
• pDst points to ouput buffer with Detailed coefficients and final approximate

Return: none

function plp_dwt_q16

void plp_dwt_q16(
    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
)

16bit Fixed-point DWT on real input data for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (q16)
• 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_q16_parallel

void plp_dwt_q16_parallel(
    const int16_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_q16 wavelet,
    plp_dwt_extension_mode mode,
    uint32_t nPE,
    int16_t *__restrict__ pDstA,
    int16_t *__restrict__ pDstD
)

16bit Parallel Fixed-point DWT on real input data for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (q16)
• length length of input buffer
• wavelet wavelet structure for calculating DWT
• mode boundary extension mode
• nPE Number of cores to use
• pDstA points to ouput buffer with Approximate coefficients
• pDstD points to ouput buffer with Detailed coefficients

Return: none

function plp_dwt_q32

void plp_dwt_q32(
    const int32_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_q32 wavelet,
    plp_dwt_extension_mode mode,
    int32_t *__restrict__ pDstA,
    int32_t *__restrict__ pDstD
)

32bit Fixed-point DWT on real input data for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (q32)
• 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

32bit Fixed-point DWT for XPULPV2 extension.

function plp_dwt_q32_parallel

void plp_dwt_q32_parallel(
    const int32_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_q32 wavelet,
    plp_dwt_extension_mode mode,
    uint32_t nPE,
    int32_t *__restrict__ pDstA,
    int32_t *__restrict__ pDstD
)

32bit Parallel Fixed-point DWT on real input data for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (q32)
• length length of input buffer
• wavelet wavelet structure for calculating DWT
• mode boundary extension mode
• nPE Number of cores to use
• pDstA points to ouput buffer with Approximate coefficients
• pDstD points to ouput buffer with Detailed coefficients

Return: none

function plp_dwt_q8

void plp_dwt_q8(
    const int8_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_q8 wavelet,
    plp_dwt_extension_mode mode,
    int8_t *__restrict__ pDstA,
    int8_t *__restrict__ pDstD
)

8bit Fixed-point DWT on real input data for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (q8)
• 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

8bit Fixed-point DWT for XPULPV2 extension.

function plp_dwt_q8_parallel

void plp_dwt_q8_parallel(
    const int8_t *__restrict__ pSrc,
    uint32_t length,
    const plp_dwt_wavelet_q8 wavelet,
    plp_dwt_extension_mode mode,
    uint32_t nPE,
    int8_t *__restrict__ pDstA,
    int8_t *__restrict__ pDstD
)

8bit Parallel Fixed-point DWT on real input data for XPULPV2 extension.

Parameters:

• pSrc points to the input buffer (q8)
• length length of input buffer
• wavelet wavelet structure for calculating DWT
• mode boundary extension mode
• nPE Number of cores to use
• pDstA points to ouput buffer with Approximate coefficients
• pDstD points to ouput buffer with Detailed coefficients

Return: none

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