DWTContext Struct Reference

#include <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)
void(*	vertical_compose97i )(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width)
void(*	horizontal_compose97i )(IDWTELEM *b, IDWTELEM *temp, int width)
void(*	inner_add_yblock )(const uint8_t *obmc, const int obmc_stride, uint8_t **block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer *sb, int add, uint8_t *dst8)
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)

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Detailed Description

Definition at line 62 of file dwt.h.

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Field Documentation

IDWTELEM* DWTContext::buffer

Definition at line 63 of file 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().

DWTCompose DWTContext::cs[MAX_DECOMPOSITIONS]

Definition at line 88 of file 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().

int DWTContext::decomposition_count

Definition at line 68 of file dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

int DWTContext::height

Definition at line 66 of file dwt.h.

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

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

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().

void(* DWTContext::horizontal_compose97i)(IDWTELEM *b, IDWTELEM *temp, int width)

Referenced by ff_dwt_init(), ff_dwt_init_x86(), and spatial_compose97i_dy_buffered().

void(* DWTContext::inner_add_yblock)(const uint8_t *obmc, const int obmc_stride, uint8_t **block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer *sb, int add, uint8_t *dst8)

Referenced by add_yblock(), ff_dwt_init(), and ff_dwt_init_x86().

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().

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().

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

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

int DWTContext::stride

Definition at line 67 of file dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

int DWTContext::support

Definition at line 69 of file dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

IDWTELEM* DWTContext::temp

Definition at line 64 of file 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().

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::vertical_compose)(void)

one set of lowpass and highpass combined

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

void(* DWTContext::vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width)

Referenced by ff_dwt_init(), ff_dwt_init_x86(), and spatial_compose97i_dy_buffered().

void(* DWTContext::vertical_compose_h0)(void)

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_h1)(void)

Referenced by ff_spatial_idwt_init2(), and spatial_compose_daub97i_dy().

void(* DWTContext::vertical_compose_l0)(void)

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)

Referenced by ff_spatial_idwt_init2(), and spatial_compose_daub97i_dy().

int DWTContext::width

Definition at line 65 of file dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

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

• libavcodec/dwt.h
• libavcodec/j2k_dwt.h