DWTContext Struct Reference

#include <libavcodec/dirac_dwt.h>

Data Fields
uint8_t *	buffer
uint8_t *	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 More...
void(*	horizontal_compose )(uint8_t *b, uint8_t *tmp, int width)
DWTCompose	cs [MAX_DECOMPOSITIONS]
int	linelen [FF_DWT_MAX_DECLVLS][2]
	line lengths { horizontal, vertical } in consecutive decomposition levels More...
uint8_t	mod [FF_DWT_MAX_DECLVLS][2]
	coordinates (x0, y0) of decomp. levels mod 2 More...
uint8_t	ndeclevels
	number of decomposition levels More...
uint8_t	type
	0 for 9/7; 1 for 5/3 More...
int32_t *	i_linebuf
	int buffer used by transform More...
float *	f_linebuf
	float buffer used by transform More...

Detailed Description

Definition at line 54 of file dirac_dwt.h.

Field Documentation

buffer

uint8_t* DWTContext::buffer

Definition at line 55 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init().

temp

uint8_t* DWTContext::temp

Definition at line 56 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init().

width

int DWTContext::width

Definition at line 57 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init(), and ff_spatial_idwt_slice2().

height

int DWTContext::height

Definition at line 58 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init(), and ff_spatial_idwt_slice2().

stride

int DWTContext::stride

Definition at line 59 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init(), and ff_spatial_idwt_slice2().

decomposition_count

int DWTContext::decomposition_count

Definition at line 60 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init(), and ff_spatial_idwt_slice2().

support

int DWTContext::support

Definition at line 61 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_slice2().

spatial_compose

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

Definition at line 63 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_slice2().

vertical_compose_l0

void(* DWTContext::vertical_compose_l0) (void)

Definition at line 64 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init_x86(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd97i_dy(), spatial_compose_dirac53i_dy(), and spatial_compose_fidelity().

vertical_compose_h0

void(* DWTContext::vertical_compose_h0) (void)

Definition at line 65 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init_x86(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd97i_dy(), spatial_compose_dirac53i_dy(), and spatial_compose_fidelity().

vertical_compose_l1

void(* DWTContext::vertical_compose_l1) (void)

Definition at line 66 of file dirac_dwt.h.

Referenced by spatial_compose_daub97i_dy().

vertical_compose_h1

void(* DWTContext::vertical_compose_h1) (void)

Definition at line 67 of file dirac_dwt.h.

Referenced by spatial_compose_daub97i_dy().

vertical_compose

void(* DWTContext::vertical_compose) (void)

one set of lowpass and highpass combined

Definition at line 68 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init_x86(), and spatial_compose_haari_dy().

horizontal_compose

void(* DWTContext::horizontal_compose) (uint8_t *b, uint8_t *tmp, int width)

Definition at line 69 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init_x86().

cs

DWTCompose DWTContext::cs[MAX_DECOMPOSITIONS]

Definition at line 71 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_slice2(), spatial_compose53i_init(), spatial_compose97i_init(), spatial_compose_daub97i_dy(), spatial_compose_dd137i_dy(), spatial_compose_dd137i_init(), spatial_compose_dd97i_dy(), spatial_compose_dd97i_init(), and spatial_compose_dirac53i_dy().

linelen

int DWTContext::linelen[FF_DWT_MAX_DECLVLS][2]

line lengths { horizontal, vertical } in consecutive decomposition levels

Definition at line 45 of file jpeg2000dwt.h.

Referenced by dwt_decode53(), dwt_decode97_float(), dwt_decode97_int(), dwt_encode53(), dwt_encode97_float(), dwt_encode97_int(), and ff_jpeg2000_dwt_init().

mod

uint8_t DWTContext::mod[FF_DWT_MAX_DECLVLS][2]

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

Definition at line 46 of file jpeg2000dwt.h.

Referenced by dwt_decode53(), dwt_decode97_float(), dwt_decode97_int(), dwt_encode53(), dwt_encode97_float(), dwt_encode97_int(), and ff_jpeg2000_dwt_init().

ndeclevels

uint8_t DWTContext::ndeclevels

number of decomposition levels

Definition at line 47 of file jpeg2000dwt.h.

Referenced by dwt_decode53(), dwt_decode97_float(), dwt_decode97_int(), dwt_encode53(), dwt_encode97_float(), dwt_encode97_int(), ff_dwt_decode(), ff_dwt_encode(), and ff_jpeg2000_dwt_init().

type

uint8_t DWTContext::type

0 for 9/7; 1 for 5/3

Definition at line 48 of file jpeg2000dwt.h.

Referenced by ff_dwt_decode(), ff_dwt_encode(), and ff_jpeg2000_dwt_init().

i_linebuf

int32_t* DWTContext::i_linebuf

int buffer used by transform

Definition at line 49 of file jpeg2000dwt.h.

Referenced by dwt_decode53(), dwt_decode97_int(), dwt_encode53(), dwt_encode97_int(), ff_dwt_destroy(), and ff_jpeg2000_dwt_init().

f_linebuf

float* DWTContext::f_linebuf

float buffer used by transform

Definition at line 50 of file jpeg2000dwt.h.

Referenced by dwt_decode97_float(), dwt_encode97_float(), ff_dwt_destroy(), and ff_jpeg2000_dwt_init().

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

• libavcodec/dirac_dwt.h
• libavcodec/jpeg2000dwt.h