FFmpeg: DWTContext Struct Reference

FFmpeg

[フレーム]

Data Fields

DWTContext Struct Reference

#include <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

uint8_t* DWTContext::buffer

Definition at line 55 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init().

uint8_t* DWTContext::temp

Definition at line 56 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init().

int DWTContext::width

Definition at line 57 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init(), and ff_spatial_idwt_slice2().

int DWTContext::height

Definition at line 58 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init(), and ff_spatial_idwt_slice2().

int DWTContext::stride

Definition at line 59 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init(), and ff_spatial_idwt_slice2().

int DWTContext::decomposition_count

Definition at line 60 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_init(), and ff_spatial_idwt_slice2().

int DWTContext::support

Definition at line 61 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_slice2().

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().

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_TMPL(), spatial_compose_dd137i_dy_TMPL(), spatial_compose_dd97i_dy_TMPL(), spatial_compose_dirac53i_dy_TMPL(), and spatial_compose_fidelity_TMPL().

void(* DWTContext::vertical_compose_h0)(void)

Definition at line 65 of file dirac_dwt.h.

void(* DWTContext::vertical_compose_l1)(void)

Definition at line 66 of file dirac_dwt.h.

Referenced by spatial_compose_daub97i_dy_TMPL().

void(* DWTContext::vertical_compose_h1)(void)

Definition at line 67 of file dirac_dwt.h.

Referenced by spatial_compose_daub97i_dy_TMPL().

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_TMPL().

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().

DWTCompose DWTContext::cs[MAX_DECOMPOSITIONS]

Definition at line 71 of file dirac_dwt.h.

Referenced by ff_spatial_idwt_slice2(), spatial_compose53i_init_TMPL(), spatial_compose97i_init_TMPL(), spatial_compose_daub97i_dy_TMPL(), spatial_compose_dd137i_dy_TMPL(), spatial_compose_dd137i_init_TMPL(), spatial_compose_dd97i_dy_TMPL(), spatial_compose_dd97i_init_TMPL(), and spatial_compose_dirac53i_dy_TMPL().

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().

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().

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().

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().

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().

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().

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

libavcodec/dirac_dwt.h
libavcodec/jpeg2000dwt.h

Generated on Fri Jan 12 2018 01:48:31 for FFmpeg by doxygen 1.8.6