grk::mct Class Reference

#include <mct.h>

Static Public Member Functions
Exported functions
static void	encode_rev (int32_t *c0, int32_t *c1, int32_t *c2, uint64_t n)
	Apply a reversible multi-component transform to an image. More...
static void	decode_rev (int32_t *c0, int32_t *c1, int32_t *c2, uint64_t n)
	Apply a reversible multi-component inverse transform to an image. More...
static const double *	get_norms_rev (void)
	Get wavelet norms for reversible transform. More...
static void	encode_irrev (int32_t *c0, int32_t *c1, int32_t *c2, uint64_t n)
	Apply an irreversible multi-component transform to an image. More...
static void	decode_irrev (float *c0, float *c1, float *c2, uint64_t n)
	Apply an irreversible multi-component inverse transform to an image. More...
static const double *	get_norms_irrev (void)
	Get wavelet norms for irreversible transform. More...
static bool	encode_custom (uint8_t *p_coding_data, uint64_t n, uint8_t **p_data, uint32_t nb_comp, uint32_t is_signed)
	Custom MCT transform. More...
static bool	decode_custom (uint8_t *pDecodingData, uint64_t n, uint8_t **pData, uint32_t pNbComp, uint32_t isSigned)
	Custom MCT decode. More...
static void	calculate_norms (double *pNorms, uint32_t nb_comps, float *pMatrix)
	Calculate norm of MCT transform. More...

Member Function Documentation

calculate_norms()

static void grk::mct::calculate_norms ( double *  pNorms, uint32_t  nb_comps, float *  pMatrix  )

static

Calculate norm of MCT transform.

Parameters

pNorms	MCT data
nb_comps	number of components
pMatrix	components

decode_custom()

static bool grk::mct::decode_custom ( uint8_t *  pDecodingData, uint64_t  n, uint8_t **  pData, uint32_t  pNbComp, uint32_t  isSigned  )

static

Custom MCT decode.

Parameters

pDecodingData	MCT data
n	size of components
pData	components
pNbComp	nb of components (i.e. size of p_data)
isSigned	tells if the data is signed

Returns

false if function encounter a problem, true otherwise

decode_irrev()

static void grk::mct::decode_irrev ( float *  c0, float *  c1, float *  c2, uint64_t  n  )

static

Apply an irreversible multi-component inverse transform to an image.

Parameters

c0	Samples for luminance component
c1	Samples for red chrominance component
c2	Samples for blue chrominance component
n	Number of samples for each component

decode_rev()

static void grk::mct::decode_rev ( int32_t *  c0, int32_t *  c1, int32_t *  c2, uint64_t  n  )

static

Apply a reversible multi-component inverse transform to an image.

Parameters

c0	Samples for luminance component
c1	Samples for red chrominance component
c2	Samples for blue chrominance component
n	Number of samples for each component

encode_custom()

static bool grk::mct::encode_custom ( uint8_t *  p_coding_data, uint64_t  n, uint8_t **  p_data, uint32_t  nb_comp, uint32_t  is_signed  )

static

Custom MCT transform.

Parameters

p_coding_data	MCT data
n	size of components
p_data	components
nb_comp	nb of components (i.e. size of p_data)
is_signed	indicates if the data is signed

Returns

false if function encounter a problem, true otherwise

encode_irrev()

static void grk::mct::encode_irrev ( int32_t *  c0, int32_t *  c1, int32_t *  c2, uint64_t  n  )

static

Apply an irreversible multi-component transform to an image.

Parameters

c0	Samples for red component
c1	Samples for green component
c2	Samples blue component
n	Number of samples for each component

encode_rev()

static void grk::mct::encode_rev ( int32_t *  c0, int32_t *  c1, int32_t *  c2, uint64_t  n  )

static

Apply a reversible multi-component transform to an image.

Parameters

c0	Samples for red component
c1	Samples for green component
c2	Samples blue component
n	Number of samples for each component

get_norms_irrev()

static const double* grk::mct::get_norms_irrev ( void  )

static

Get wavelet norms for irreversible transform.

get_norms_rev()

static const double* grk::mct::get_norms_rev ( void  )

static

Get wavelet norms for reversible transform.

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The documentation for this class was generated from the following file:

• mct.h