DWTContext Struct Reference

#include <dwt.h>


Data Fields

IDWTELEMbuffer
IDWTELEMtemp
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, 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)


Detailed Description

Definition at line 61 of file dwt.h.


Field Documentation

DWTCompose DWTContext::cs[MAX_DECOMPOSITIONS]

Definition at line 67 of file dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

Definition at line 65 of file dwt.h.

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

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)

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().

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)

Definition at line 66 of file dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

Definition at line 68 of file dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().

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().

one set of lowpass and highpass combined

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

Definition at line 64 of file dwt.h.

Referenced by ff_spatial_idwt_init2(), and ff_spatial_idwt_slice2().


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

Generated on Fri Oct 26 02:43:56 2012 for FFmpeg by  doxygen 1.5.8