#include "opj_includes.h"

Data Structures
struct	dwt_local

union	v4

struct	v4dwt_local

Macros
#define	WS(i) v->mem[(i)*2]

#define	WD(i) v->mem[(1+(i)*2)]

#define	S(i) a[(i)*2]

#define	D(i) a[(1+(i)*2)]

#define	S_(i) ((i)<0?S(0):((i)>=sn?S(sn-1):S(i)))

#define	D_(i) ((i)<0?D(0):((i)>=dn?D(dn-1):D(i)))

#define	SS_(i) ((i)<0?S(0):((i)>=dn?S(dn-1):S(i)))

#define	DD_(i) ((i)<0?D(0):((i)>=sn?D(sn-1):D(i)))

Typedefs
typedef void(*	DWT1DFN )(dwt_t *v)
	Virtual function type for wavelet transform in 1-D. More...

Functions
static void	dwt_decode_1_ (int *a, int dn, int sn, int cas)

void	dwt_encode (opj_tcd_tilecomp_t *tilec)
	Forward 5-3 wavelet tranform in 2-D. More...

opj_bool	dwt_decode (opj_tcd_tilecomp_t *tilec, int numres)
	Inverse 5-3 wavelet tranform in 2-D. More...

int	dwt_getgain (int orient)
	Get the gain of a subband for the reversible 5-3 DWT. More...

double	dwt_getnorm (int level, int orient)
	Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT. More...

void	dwt_encode_real (opj_tcd_tilecomp_t *tilec)
	Forward 9-7 wavelet transform in 2-D. More...

int	dwt_getgain_real (int orient)
	Get the gain of a subband for the irreversible 9-7 DWT. More...

double	dwt_getnorm_real (int level, int orient)
	Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT. More...

void	dwt_calc_explicit_stepsizes (opj_tccp_t *tccp, int prec)
	Explicit calculation of the Quantization Stepsizes. More...

static int	dwt_decode_max_resolution (opj_tcd_resolution_t *restrict r, int i)

static void	v4dwt_interleave_h (v4dwt_t restrict w, float restrict a, int x, int size)

static void	v4dwt_interleave_v (v4dwt_t restrict v, float restrict a, int x)

static void	v4dwt_decode_step1 (v4 *w, int count, const float c)

static void	v4dwt_decode_step2 (v4 l, v4 w, int k, int m, float c)

static void	v4dwt_decode (v4dwt_t *restrict dwt)

opj_bool	dwt_decode_real (opj_tcd_tilecomp_t *restrict tilec, int numres)

Local static functions
static void	dwt_deinterleave_h (int a, int b, int dn, int sn, int cas)
	Forward lazy transform (horizontal) More...

static void	dwt_deinterleave_v (int a, int b, int dn, int sn, int x, int cas)
	Forward lazy transform (vertical) More...

static void	dwt_interleave_h (dwt_t h, int a)
	Inverse lazy transform (horizontal) More...

static void	dwt_interleave_v (dwt_t v, int a, int x)
	Inverse lazy transform (vertical) More...

static void	dwt_encode_1 (int *a, int dn, int sn, int cas)
	Forward 5-3 wavelet transform in 1-D. More...

static void	dwt_decode_1 (dwt_t *v)
	Inverse 5-3 wavelet transform in 1-D. More...

static void	dwt_encode_1_real (int *a, int dn, int sn, int cas)
	Forward 9-7 wavelet transform in 1-D. More...

static void	dwt_encode_stepsize (int stepsize, int numbps, opj_stepsize_t *bandno_stepsize)
	Explicit calculation of the Quantization Stepsizes. More...

static opj_bool	dwt_decode_tile (opj_tcd_tilecomp_t *tilec, int i, DWT1DFN fn)
	Inverse wavelet transform in 2-D. More...

Variables
static const double	dwt_norms [4][10]

static const double	dwt_norms_real [4][10]

Local data structures
typedef struct dwt_local	dwt_t

typedef struct v4dwt_local	v4dwt_t

static const float	dwt_alpha = 1.586134342f

static const float	dwt_beta = 0.052980118f

static const float	dwt_gamma = -0.882911075f

static const float	dwt_delta = -0.443506852f

static const float	K = 1.230174105f

static const float	c13318 = 1.625732422f

Macro Definition Documentation

#define D ( i ) a[(1+(i)*2)]

Referenced by dwt_decode_1_(), dwt_encode_1(), and dwt_encode_1_real().

#define D_ ( i ) ((i)<0?D(0):((i)>=dn?D(dn-1):D(i)))

Referenced by dwt_decode_1_(), dwt_encode_1(), and dwt_encode_1_real().

#define DD_ ( i ) ((i)<0?D(0):((i)>=sn?D(sn-1):D(i)))

Referenced by dwt_decode_1_(), dwt_encode_1(), and dwt_encode_1_real().

#define S ( i ) a[(i)*2]

Referenced by dwt_decode_1_(), dwt_encode_1(), and dwt_encode_1_real().

#define S_ ( i ) ((i)<0?S(0):((i)>=sn?S(sn-1):S(i)))

Referenced by dwt_encode_1(), and dwt_encode_1_real().

#define SS_ ( i ) ((i)<0?S(0):((i)>=dn?S(dn-1):S(i)))

Referenced by dwt_decode_1_(), and dwt_encode_1_real().

Function Documentation

static void dwt_decode_1_	(	int *	a,
		int	dn,
		int	sn,
		int	cas
	)

static

References D, D_, DD_, S, and SS_.

Referenced by dwt_decode_1().

static int dwt_decode_max_resolution	(	opj_tcd_resolution_t *restrict	r,
		int	i
	)

static

Referenced by dwt_decode_real(), and dwt_decode_tile().

opj_bool dwt_decode_real	(	opj_tcd_tilecomp_t *restrict	tilec,
		int	numres
	)

References v4dwt_local::cas, v4dwt_local::dn, dwt_decode_max_resolution(), v4::f, opj_aligned_free, opj_aligned_malloc, OPJ_FALSE, OPJ_TRUE, restrict, v4dwt_local::sn, v4dwt_decode(), v4dwt_interleave_h(), v4dwt_interleave_v(), v4dwt_local::wavelet, opj_tcd_resolution::x0, opj_tcd_resolution::x1, opj_tcd_resolution::y0, and opj_tcd_resolution::y1.

Referenced by tcd_decode_tile().

static void v4dwt_decode ( v4dwt_t *restrict dwt )

static

References c13318, dwt_alpha, dwt_beta, dwt_delta, dwt_gamma, int_min(), K, v4dwt_decode_step1(), and v4dwt_decode_step2().

Referenced by dwt_decode_real().

static void v4dwt_decode_step1	(	v4 *	w,
		int	count,
		const float	c
	)

static

References restrict.

Referenced by v4dwt_decode().

static void v4dwt_decode_step2	(	v4 *	l,
		v4 *	w,
		int	k,
		int	m,
		float	c
	)

static

References restrict.

Referenced by v4dwt_decode().

static void v4dwt_interleave_h	(	v4dwt_t *restrict	w,
		float *restrict	a,
		int	x,
		int	size
	)

static

References restrict.

Referenced by dwt_decode_real().

static void v4dwt_interleave_v	(	v4dwt_t *restrict	v,
		float *restrict	a,
		int	x
	)

static

References restrict.

Referenced by dwt_decode_real().

Variable Documentation

const double dwt_norms[4][10]

static

Initial value:

= {
        {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
        {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
        {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
        {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
}

Referenced by dwt_getnorm().

const double dwt_norms_real[4][10]

static

Initial value:

= {
        {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
        {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
        {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
        {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
}

Referenced by dwt_calc_explicit_stepsizes(), and dwt_getnorm_real().

Data Structures

Macros

Typedefs

Functions

Variables

Local data structures

Macro Definition Documentation

Function Documentation

Variable Documentation