DWTContext Struct Reference

#include <dirac_dwt.h>

Data Fields
IDWTELEM *	buffer
IDWTELEM *	temp
int	width
int	height
int	stride
int	decomposition_count
int	support
void(*	spatial_compose )(struct DWTContext *cs, int level, int width, int height, int stride)
void(*	vertical_compose_l0 )(void)
void(*	vertical_compose_h0 )(void)
void(*	vertical_compose_l1 )(void)
void(*	vertical_compose_h1 )(void)
void(*	vertical_compose )(void)
	one set of lowpass and highpass combined
void(*	horizontal_compose )(IDWTELEM *b, IDWTELEM *tmp, int width)
DWTCompose	cs [MAX_DECOMPOSITIONS]
uint16_t	linelen [FF_DWT_MAX_DECLVLS][2]
	line lengths {horizontal, vertical} in consecutive decomposition levels
uint8_t	mod [FF_DWT_MAX_DECLVLS][2]
	coordinates (x0, y0) of decomp. levels mod 2
uint8_t	ndeclevels
	number of decomposition levels
uint8_t	type
	0 for 9/7; 1 for 5/3
void *	linebuf
	buffer used by transform (int or float)

Detailed Description

Definition at line 45 of file dirac_dwt.h.

Field Documentation

IDWTELEM* DWTContext::buffer

Definition at line 46 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd97i_dy(), spatial_compose_dirac53i_dy(), spatial_compose_fidelity(), and spatial_compose_haari_dy().

IDWTELEM* DWTContext::temp

Definition at line 47 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd97i_dy(), spatial_compose_dirac53i_dy(), spatial_compose_fidelity(), and spatial_compose_haari_dy().

int DWTContext::width

Definition at line 48 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

int DWTContext::height

Definition at line 49 of file dirac_dwt.h.

Referenced by ff_spatial_idwt2(), ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

int DWTContext::stride

Definition at line 50 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

int DWTContext::decomposition_count

Definition at line 51 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

int DWTContext::support

Definition at line 52 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

void(* DWTContext::spatial_compose)(struct DWTContext *cs, int level, int width, int height, int stride)

Definition at line 54 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

void(* DWTContext::vertical_compose_l0)(void)

Definition at line 55 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), ff_spatial_idwt_init_mmx(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd97i_dy(), spatial_compose_dirac53i_dy(), and spatial_compose_fidelity().

void(* DWTContext::vertical_compose_h0)(void)

Definition at line 56 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), ff_spatial_idwt_init_mmx(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd97i_dy(), spatial_compose_dirac53i_dy(), and spatial_compose_fidelity().

void(* DWTContext::vertical_compose_l1)(void)

Definition at line 57 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), and spatial_compose_daub97i_dy().

void(* DWTContext::vertical_compose_h1)(void)

Definition at line 58 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), and spatial_compose_daub97i_dy().

void(* DWTContext::vertical_compose)(void)

one set of lowpass and highpass combined

Definition at line 59 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), ff_spatial_idwt_init_mmx(), and spatial_compose_haari_dy().

void(* DWTContext::horizontal_compose)(IDWTELEM *b, IDWTELEM *tmp, int width)

Definition at line 60 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), ff_spatial_idwt_init_mmx(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd97i_dy(), spatial_compose_dirac53i_dy(), spatial_compose_fidelity(), and spatial_compose_haari_dy().

DWTCompose DWTContext::cs[MAX_DECOMPOSITIONS]

Definition at line 62 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init2(), ff_spatial_idwt_slice2(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd97i_dy(), spatial_compose_dirac53i_dy(), spatial_compose_fidelity(), and spatial_compose_haari_dy().

uint16_t DWTContext::linelen[FF_DWT_MAX_DECLVLS][2]

line lengths {horizontal, vertical} in consecutive decomposition levels

Definition at line 42 of file j2k_dwt.h.

Referenced by dwt_decode53(), dwt_decode97(), dwt_encode53(), dwt_encode97(), and ff_j2k_dwt_init().

uint8_t DWTContext::mod[FF_DWT_MAX_DECLVLS][2]

coordinates (x0, y0) of decomp. levels mod 2

Definition at line 43 of file j2k_dwt.h.

Referenced by dwt_decode53(), dwt_decode97(), dwt_encode53(), dwt_encode97(), and ff_j2k_dwt_init().

uint8_t DWTContext::ndeclevels

number of decomposition levels

Definition at line 44 of file j2k_dwt.h.

Referenced by dwt_decode53(), dwt_decode97(), dwt_encode53(), dwt_encode97(), and ff_j2k_dwt_init().

uint8_t DWTContext::type

0 for 9/7; 1 for 5/3

Definition at line 45 of file j2k_dwt.h.

Referenced by ff_j2k_dwt_decode(), ff_j2k_dwt_encode(), and ff_j2k_dwt_init().

void* DWTContext::linebuf

buffer used by transform (int or float)

Definition at line 46 of file j2k_dwt.h.

Referenced by dwt_decode53(), dwt_decode97(), dwt_encode53(), dwt_encode97(), ff_j2k_dwt_destroy(), and ff_j2k_dwt_init().

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The documentation for this struct was generated from the following files:

• libavcodec/dirac_dwt.h
• libavcodec/j2k_dwt.h