#include <stdint.h>

Data Structures
struct	DWTCompose

struct	DWTPlane

struct	DWTContext

Macros
#define	MAX_DWT_SUPPORT 8

#define	MAX_DECOMPOSITIONS 8

#define	COMPOSE_53iL0(b0, b1, b2) (b1 - (unsigned)((int)(b0 + (unsigned)(b2) + 2) >> 2))

#define	COMPOSE_DIRAC53iH0(b0, b1, b2) (b1 + (unsigned)((int)(b0 + (unsigned)(b2) + 1) >> 1))

#define	COMPOSE_DD97iH0(b0, b1, b2, b3, b4) (int)(((unsigned)(b2) + ((int)(9Ub1 + 9Ub3 - b4 - b0 + 8) >> 4)))

#define	COMPOSE_DD137iL0(b0, b1, b2, b3, b4) (int)(((unsigned)(b2) - ((int)(9Ub1 + 9Ub3 - b4 - b0 + 16) >> 5)))

#define	COMPOSE_HAARiL0(b0, b1) ((int)(b0 - (unsigned)((int)(b1 + 1U) >> 1)))

#define	COMPOSE_HAARiH0(b0, b1) ((int)(b0 + (unsigned)(b1)))

#define	COMPOSE_FIDELITYiL0(b0, b1, b2, b3, b4, b5, b6, b7, b8) ((unsigned)b4 - ((int)(-8(b0+(unsigned)b8) + 21(b1+(unsigned)b7) - 46(b2+(unsigned)b6) + 161(b3+(unsigned)b5) + 128) >> 8))

#define	COMPOSE_FIDELITYiH0(b0, b1, b2, b3, b4, b5, b6, b7, b8) ((unsigned)b4 + ((int)(-2(b0+(unsigned)b8) + 10(b1+(unsigned)b7) - 25(b2+(unsigned)b6) + 81(b3+(unsigned)b5) + 128) >> 8))

#define	COMPOSE_DAUB97iL1(b0, b1, b2) ((unsigned)(b1) - ((int)(1817*(b0 + (unsigned)b2) + 2048) >> 12))

#define	COMPOSE_DAUB97iH1(b0, b1, b2) ((unsigned)(b1) - ((int)( 113*(b0 + (unsigned)b2) + 64) >> 7))

#define	COMPOSE_DAUB97iL0(b0, b1, b2) ((unsigned)(b1) + ((int)( 217*(b0 + (unsigned)b2) + 2048) >> 12))

#define	COMPOSE_DAUB97iH0(b0, b1, b2) ((unsigned)(b1) + ((int)(6497*(b0 + (unsigned)b2) + 2048) >> 12))

Typedefs
typedef int	DWTELEM

typedef short	IDWTELEM

typedef void(*	vertical_compose_2tap) (uint8_t b0, uint8_t b1, int width)

typedef void(*	vertical_compose_3tap) (uint8_t b0, uint8_t b1, uint8_t *b2, int width)

typedef void(*	vertical_compose_5tap) (uint8_t b0, uint8_t b1, uint8_t b2, uint8_t b3, uint8_t *b4, int width)

typedef void(*	vertical_compose_9tap) (uint8_t dst, uint8_t b[8], int width)

Enumerations
enum	dwt_type { DWT_SNOW_DAUB9_7, DWT_SNOW_LEGALL5_3, DWT_DIRAC_DD9_7, DWT_DIRAC_LEGALL5_3, DWT_DIRAC_DD13_7, DWT_DIRAC_HAAR0, DWT_DIRAC_HAAR1, DWT_DIRAC_FIDELITY, DWT_DIRAC_DAUB9_7, DWT_NUM_TYPES }

Functions
int	ff_spatial_idwt_init (DWTContext d, DWTPlane p, enum dwt_type type, int decomposition_count, int bit_depth)

void	ff_spatial_idwt_init_x86 (DWTContext *d, enum dwt_type type)

void	ff_spatial_idwt_slice2 (DWTContext *d, int y)

Macro Definition Documentation

◆ MAX_DWT_SUPPORT

#define MAX_DWT_SUPPORT 8

Definition at line 29 of file dirac_dwt.h.

◆ MAX_DECOMPOSITIONS

#define MAX_DECOMPOSITIONS 8

Definition at line 30 of file dirac_dwt.h.

◆ COMPOSE_53iL0

#define COMPOSE_53iL0	(	b0,
		b1,
		b2
	)	(b1 - (unsigned)((int)(b0 + (unsigned)(b2) + 2) >> 2))

Definition at line 95 of file dirac_dwt.h.

◆ COMPOSE_DIRAC53iH0

#define COMPOSE_DIRAC53iH0	(	b0,
		b1,
		b2
	)	(b1 + (unsigned)((int)(b0 + (unsigned)(b2) + 1) >> 1))

Definition at line 98 of file dirac_dwt.h.

◆ COMPOSE_DD97iH0

#define COMPOSE_DD97iH0	(	b0,
		b1,
		b2,
		b3,
		b4
	)	(int)(((unsigned)(b2) + ((int)(9Ub1 + 9Ub3 - b4 - b0 + 8) >> 4)))

Definition at line 101 of file dirac_dwt.h.

◆ COMPOSE_DD137iL0

#define COMPOSE_DD137iL0	(	b0,
		b1,
		b2,
		b3,
		b4
	)	(int)(((unsigned)(b2) - ((int)(9Ub1 + 9Ub3 - b4 - b0 + 16) >> 5)))

Definition at line 104 of file dirac_dwt.h.

◆ COMPOSE_HAARiL0

#define COMPOSE_HAARiL0	(	b0,
		b1
	)	((int)(b0 - (unsigned)((int)(b1 + 1U) >> 1)))

Definition at line 107 of file dirac_dwt.h.

◆ COMPOSE_HAARiH0

#define COMPOSE_HAARiH0	(	b0,
		b1
	)	((int)(b0 + (unsigned)(b1)))

Definition at line 110 of file dirac_dwt.h.

◆ COMPOSE_FIDELITYiL0

#define COMPOSE_FIDELITYiL0	(	b0,
		b1,
		b2,
		b3,
		b4,
		b5,
		b6,
		b7,
		b8
	)	((unsigned)b4 - ((int)(-8(b0+(unsigned)b8) + 21(b1+(unsigned)b7) - 46(b2+(unsigned)b6) + 161(b3+(unsigned)b5) + 128) >> 8))

Definition at line 113 of file dirac_dwt.h.

◆ COMPOSE_FIDELITYiH0

#define COMPOSE_FIDELITYiH0	(	b0,
		b1,
		b2,
		b3,
		b4,
		b5,
		b6,
		b7,
		b8
	)	((unsigned)b4 + ((int)(-2(b0+(unsigned)b8) + 10(b1+(unsigned)b7) - 25(b2+(unsigned)b6) + 81(b3+(unsigned)b5) + 128) >> 8))

Definition at line 116 of file dirac_dwt.h.

◆ COMPOSE_DAUB97iL1

#define COMPOSE_DAUB97iL1	(	b0,
		b1,
		b2
	)	((unsigned)(b1) - ((int)(1817*(b0 + (unsigned)b2) + 2048) >> 12))

Definition at line 119 of file dirac_dwt.h.

◆ COMPOSE_DAUB97iH1

#define COMPOSE_DAUB97iH1	(	b0,
		b1,
		b2
	)	((unsigned)(b1) - ((int)( 113*(b0 + (unsigned)b2) + 64) >> 7))

Definition at line 122 of file dirac_dwt.h.

◆ COMPOSE_DAUB97iL0

#define COMPOSE_DAUB97iL0	(	b0,
		b1,
		b2
	)	((unsigned)(b1) + ((int)( 217*(b0 + (unsigned)b2) + 2048) >> 12))

Definition at line 125 of file dirac_dwt.h.

◆ COMPOSE_DAUB97iH0

#define COMPOSE_DAUB97iH0	(	b0,
		b1,
		b2
	)	((unsigned)(b1) + ((int)(6497*(b0 + (unsigned)b2) + 2048) >> 12))

Definition at line 128 of file dirac_dwt.h.

Typedef Documentation

◆ DWTELEM

typedef int DWTELEM

Definition at line 26 of file dirac_dwt.h.

◆ IDWTELEM

typedef short IDWTELEM

Definition at line 27 of file dirac_dwt.h.

◆ vertical_compose_2tap

typedef void(* vertical_compose_2tap) (uint8_t *b0, uint8_t *b1, int width)

Definition at line 49 of file dirac_dwt.h.

◆ vertical_compose_3tap

typedef void(* vertical_compose_3tap) (uint8_t *b0, uint8_t *b1, uint8_t *b2, int width)

Definition at line 50 of file dirac_dwt.h.

◆ vertical_compose_5tap

typedef void(* vertical_compose_5tap) (uint8_t *b0, uint8_t *b1, uint8_t *b2, uint8_t *b3, uint8_t *b4, int width)

Definition at line 51 of file dirac_dwt.h.

◆ vertical_compose_9tap

typedef void(* vertical_compose_9tap) (uint8_t *dst, uint8_t *b[8], int width)

Definition at line 52 of file dirac_dwt.h.

Enumeration Type Documentation

◆ dwt_type

enum dwt_type

Enumerator
DWT_SNOW_DAUB9_7
DWT_SNOW_LEGALL5_3
DWT_DIRAC_DD9_7
DWT_DIRAC_LEGALL5_3
DWT_DIRAC_DD13_7
DWT_DIRAC_HAAR0
DWT_DIRAC_HAAR1
DWT_DIRAC_FIDELITY
DWT_DIRAC_DAUB9_7
DWT_NUM_TYPES

Definition at line 74 of file dirac_dwt.h.

Function Documentation

◆ ff_spatial_idwt_init()

int ff_spatial_idwt_init	(	DWTContext *	d,
		DWTPlane *	p,
		enum dwt_type	type,
		int	decomposition_count,
		int	bit_depth
	)

Definition at line 35 of file dirac_dwt.c.

Referenced by dirac_decode_frame_internal().

◆ ff_spatial_idwt_init_x86()

void ff_spatial_idwt_init_x86	(	DWTContext *	d,
		enum dwt_type	type
	)

Definition at line 161 of file dirac_dwt_init.c.

Referenced by ff_spatial_idwt_init().

◆ ff_spatial_idwt_slice2()

void ff_spatial_idwt_slice2	(	DWTContext *	d,
		int	y
	)

Definition at line 66 of file dirac_dwt.c.