OpenJPEG 2.5.3
dwt.c File Reference
#include <assert.h>
#include "opj_includes.h"

Data Structures

struct  dwt_local
union  opj_v8_t
struct  v8dwt_local
struct  opj_dwt_encode_h_job_t
struct  opj_dwt_encode_v_job_t
struct  opj_dwt_decode_h_job_t
struct  opj_dwt_decode_v_job_t
struct  opj_dwt97_decode_h_job_t
struct  opj_dwt97_decode_v_job_t

Macros

#define OPJ_SKIP_POISON
#define OPJ_WS(i)
#define OPJ_WD(i)
#define VREG_INT_COUNT   4
 Number of int32 values in a SSE2 register.
#define PARALLEL_COLS_53   (2*VREG_INT_COUNT)
 Number of columns that we can process in parallel in the vertical pass.
#define OPJ_Sc(i)
#define OPJ_Dc(i)

Local data structures

#define NB_ELTS_V8   8
typedef struct dwt_local opj_dwt_t
typedef struct v8dwt_local opj_v8dwt_t
static const OPJ_FLOAT32 opj_dwt_alpha = -1.586134342f
static const OPJ_FLOAT32 opj_dwt_beta = -0.052980118f
static const OPJ_FLOAT32 opj_dwt_gamma = 0.882911075f
static const OPJ_FLOAT32 opj_dwt_delta = 0.443506852f
static const OPJ_FLOAT32 opj_K = 1.230174105f
static const OPJ_FLOAT32 opj_invK = (OPJ_FLOAT32)(1.0 / 1.230174105)

Local static functions

#define OPJ_S(i)
#define OPJ_D(i)
#define OPJ_S_(i)
#define OPJ_D_(i)
#define OPJ_SS_(i)
#define OPJ_DD_(i)
#define OPJ_S_off(i, off)
#define OPJ_D_off(i, off)
#define OPJ_S__off(i, off)
#define OPJ_D__off(i, off)
#define OPJ_SS__off(i, off)
#define OPJ_DD__off(i, off)
typedef void(* opj_encode_and_deinterleave_v_fnptr_type) (void *array, void *tmp, OPJ_UINT32 height, OPJ_BOOL even, OPJ_UINT32 stride_width, OPJ_UINT32 cols)
typedef void(* opj_encode_and_deinterleave_h_one_row_fnptr_type) (void *row, void *tmp, OPJ_UINT32 width, OPJ_BOOL even)
static const OPJ_FLOAT64 opj_dwt_norms [4][10]
static const OPJ_FLOAT64 opj_dwt_norms_real [4][10]
static void opj_dwt_deinterleave_h (const OPJ_INT32 *OPJ_RESTRICT a, OPJ_INT32 *OPJ_RESTRICT b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas)
 Forward lazy transform (horizontal)
static void opj_dwt_encode_1_real (void *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas)
 Forward 9-7 wavelet transform in 1-D.
static void opj_dwt_encode_stepsize (OPJ_INT32 stepsize, OPJ_INT32 numbps, opj_stepsize_t *bandno_stepsize)
 Explicit calculation of the Quantization Stepsizes.
static OPJ_BOOL opj_dwt_decode_tile (opj_thread_pool_t *tp, opj_tcd_tilecomp_t *tilec, OPJ_UINT32 i)
 Inverse wavelet transform in 2-D.
static OPJ_BOOL opj_dwt_decode_partial_tile (opj_tcd_tilecomp_t *tilec, OPJ_UINT32 numres)
static OPJ_BOOL opj_dwt_encode_procedure (opj_thread_pool_t *tp, opj_tcd_tilecomp_t *tilec, opj_encode_and_deinterleave_v_fnptr_type p_encode_and_deinterleave_v, opj_encode_and_deinterleave_h_one_row_fnptr_type p_encode_and_deinterleave_h_one_row)
static OPJ_UINT32 opj_dwt_max_resolution (opj_tcd_resolution_t *OPJ_RESTRICT r, OPJ_UINT32 i)
static void opj_idwt53_h_cas0 (OPJ_INT32 *tmp, const OPJ_INT32 sn, const OPJ_INT32 len, OPJ_INT32 *tiledp)
static void opj_idwt53_h_cas1 (OPJ_INT32 *tmp, const OPJ_INT32 sn, const OPJ_INT32 len, OPJ_INT32 *tiledp)
static void opj_idwt53_h (const opj_dwt_t *dwt, OPJ_INT32 *tiledp)
static void opj_idwt3_v_cas0 (OPJ_INT32 *tmp, const OPJ_INT32 sn, const OPJ_INT32 len, OPJ_INT32 *tiledp_col, const OPJ_SIZE_T stride)
 Vertical inverse 5x3 wavelet transform for one column, when top-most pixel is on even coordinate.
static void opj_idwt3_v_cas1 (OPJ_INT32 *tmp, const OPJ_INT32 sn, const OPJ_INT32 len, OPJ_INT32 *tiledp_col, const OPJ_SIZE_T stride)
 Vertical inverse 5x3 wavelet transform for one column, when top-most pixel is on odd coordinate.
static void opj_idwt53_v (const opj_dwt_t *dwt, OPJ_INT32 *tiledp_col, OPJ_SIZE_T stride, OPJ_INT32 nb_cols)
static void opj_dwt_encode_step1_combined (OPJ_FLOAT32 *fw, OPJ_UINT32 iters_c1, OPJ_UINT32 iters_c2, const OPJ_FLOAT32 c1, const OPJ_FLOAT32 c2)
static void opj_dwt_encode_step2 (OPJ_FLOAT32 *fl, OPJ_FLOAT32 *fw, OPJ_UINT32 end, OPJ_UINT32 m, OPJ_FLOAT32 c)
static void opj_dwt_encode_and_deinterleave_h_one_row (void *rowIn, void *tmpIn, OPJ_UINT32 width, OPJ_BOOL even)
 Process one line for the horizontal pass of the 5x3 forward transform.
static void opj_dwt_encode_and_deinterleave_h_one_row_real (void *rowIn, void *tmpIn, OPJ_UINT32 width, OPJ_BOOL even)
 Process one line for the horizontal pass of the 9x7 forward transform.
static void opj_dwt_encode_h_func (void *user_data, opj_tls_t *tls)
static void opj_dwt_encode_v_func (void *user_data, opj_tls_t *tls)
static void opj_dwt_fetch_cols_vertical_pass (const void *arrayIn, void *tmpOut, OPJ_UINT32 height, OPJ_UINT32 stride_width, OPJ_UINT32 cols)
 Fetch up to cols <= NB_ELTS_V8 for each line, and put them in tmpOut.
static INLINE void opj_dwt_deinterleave_v_cols (const OPJ_INT32 *OPJ_RESTRICT src, OPJ_INT32 *OPJ_RESTRICT dst, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_UINT32 stride_width, OPJ_INT32 cas, OPJ_UINT32 cols)
static void opj_dwt_encode_and_deinterleave_v (void *arrayIn, void *tmpIn, OPJ_UINT32 height, OPJ_BOOL even, OPJ_UINT32 stride_width, OPJ_UINT32 cols)
static void opj_v8dwt_encode_step1 (OPJ_FLOAT32 *fw, OPJ_UINT32 end, const OPJ_FLOAT32 cst)
static void opj_v8dwt_encode_step2 (OPJ_FLOAT32 *fl, OPJ_FLOAT32 *fw, OPJ_UINT32 end, OPJ_UINT32 m, OPJ_FLOAT32 cst)
static void opj_dwt_encode_and_deinterleave_v_real (void *arrayIn, void *tmpIn, OPJ_UINT32 height, OPJ_BOOL even, OPJ_UINT32 stride_width, OPJ_UINT32 cols)
OPJ_BOOL opj_dwt_encode (opj_tcd_t *p_tcd, opj_tcd_tilecomp_t *tilec)
 Forward 5-3 wavelet transform in 2-D.
OPJ_BOOL opj_dwt_decode (opj_tcd_t *p_tcd, opj_tcd_tilecomp_t *tilec, OPJ_UINT32 numres)
 Inverse 5-3 wavelet transform in 2-D.
OPJ_FLOAT64 opj_dwt_getnorm (OPJ_UINT32 level, OPJ_UINT32 orient)
 Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT.
OPJ_BOOL opj_dwt_encode_real (opj_tcd_t *p_tcd, opj_tcd_tilecomp_t *tilec)
 Forward 9-7 wavelet transform in 2-D.
OPJ_FLOAT64 opj_dwt_getnorm_real (OPJ_UINT32 level, OPJ_UINT32 orient)
 Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT.
void opj_dwt_calc_explicit_stepsizes (opj_tccp_t *tccp, OPJ_UINT32 prec)
 Explicit calculation of the Quantization Stepsizes.
static void opj_dwt_decode_h_func (void *user_data, opj_tls_t *tls)
static void opj_dwt_decode_v_func (void *user_data, opj_tls_t *tls)
static void opj_dwt_interleave_partial_h (OPJ_INT32 *dest, OPJ_INT32 cas, opj_sparse_array_int32_t *sa, OPJ_UINT32 sa_line, OPJ_UINT32 sn, OPJ_UINT32 win_l_x0, OPJ_UINT32 win_l_x1, OPJ_UINT32 win_h_x0, OPJ_UINT32 win_h_x1)
static void opj_dwt_interleave_partial_v (OPJ_INT32 *dest, OPJ_INT32 cas, opj_sparse_array_int32_t *sa, OPJ_UINT32 sa_col, OPJ_UINT32 nb_cols, OPJ_UINT32 sn, OPJ_UINT32 win_l_y0, OPJ_UINT32 win_l_y1, OPJ_UINT32 win_h_y0, OPJ_UINT32 win_h_y1)
static void opj_dwt_decode_partial_1 (OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas, OPJ_INT32 win_l_x0, OPJ_INT32 win_l_x1, OPJ_INT32 win_h_x0, OPJ_INT32 win_h_x1)
static void opj_dwt_decode_partial_1_parallel (OPJ_INT32 *a, OPJ_UINT32 nb_cols, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas, OPJ_INT32 win_l_x0, OPJ_INT32 win_l_x1, OPJ_INT32 win_h_x0, OPJ_INT32 win_h_x1)
static void opj_dwt_get_band_coordinates (opj_tcd_tilecomp_t *tilec, OPJ_UINT32 resno, OPJ_UINT32 bandno, OPJ_UINT32 tcx0, OPJ_UINT32 tcy0, OPJ_UINT32 tcx1, OPJ_UINT32 tcy1, OPJ_UINT32 *tbx0, OPJ_UINT32 *tby0, OPJ_UINT32 *tbx1, OPJ_UINT32 *tby1)
static void opj_dwt_segment_grow (OPJ_UINT32 filter_width, OPJ_UINT32 max_size, OPJ_UINT32 *start, OPJ_UINT32 *end)
static opj_sparse_array_int32_topj_dwt_init_sparse_array (opj_tcd_tilecomp_t *tilec, OPJ_UINT32 numres)
static void opj_v8dwt_interleave_h (opj_v8dwt_t *OPJ_RESTRICT dwt, OPJ_FLOAT32 *OPJ_RESTRICT a, OPJ_UINT32 width, OPJ_UINT32 remaining_height)
static void opj_v8dwt_interleave_partial_h (opj_v8dwt_t *dwt, opj_sparse_array_int32_t *sa, OPJ_UINT32 sa_line, OPJ_UINT32 remaining_height)
static INLINE void opj_v8dwt_interleave_v (opj_v8dwt_t *OPJ_RESTRICT dwt, OPJ_FLOAT32 *OPJ_RESTRICT a, OPJ_UINT32 width, OPJ_UINT32 nb_elts_read)
static void opj_v8dwt_interleave_partial_v (opj_v8dwt_t *OPJ_RESTRICT dwt, opj_sparse_array_int32_t *sa, OPJ_UINT32 sa_col, OPJ_UINT32 nb_elts_read)
static void opj_v8dwt_decode_step1 (opj_v8_t *w, OPJ_UINT32 start, OPJ_UINT32 end, const OPJ_FLOAT32 c)
static void opj_v8dwt_decode_step2 (opj_v8_t *l, opj_v8_t *w, OPJ_UINT32 start, OPJ_UINT32 end, OPJ_UINT32 m, OPJ_FLOAT32 c)
static void opj_v8dwt_decode (opj_v8dwt_t *OPJ_RESTRICT dwt)
static void opj_dwt97_decode_h_func (void *user_data, opj_tls_t *tls)
static void opj_dwt97_decode_v_func (void *user_data, opj_tls_t *tls)
static OPJ_BOOL opj_dwt_decode_tile_97 (opj_thread_pool_t *tp, opj_tcd_tilecomp_t *OPJ_RESTRICT tilec, OPJ_UINT32 numres)
static OPJ_BOOL opj_dwt_decode_partial_97 (opj_tcd_tilecomp_t *OPJ_RESTRICT tilec, OPJ_UINT32 numres)
OPJ_BOOL opj_dwt_decode_real (opj_tcd_t *p_tcd, opj_tcd_tilecomp_t *OPJ_RESTRICT tilec, OPJ_UINT32 numres)
 Inverse 9-7 wavelet transform in 2-D.

Macro Definition Documentation

◆ NB_ELTS_V8

◆ OPJ_D

#define OPJ_D ( i)
Value:
a[(1+(i)*2)]

Referenced by opj_dwt_decode_partial_1().

◆ OPJ_D_

#define OPJ_D_ ( i)
Value:
((i)<0?OPJ_D(0):((i)>=dn?OPJ_D(dn-1):OPJ_D(i)))
#define OPJ_D(i)
Definition dwt.c:188

Referenced by opj_dwt_decode_partial_1().

◆ OPJ_D__off

#define OPJ_D__off ( i,
off )
Value:
((i)<0?OPJ_D_off(0,off):((i)>=dn?OPJ_D_off(dn-1,off):OPJ_D_off(i,off)))
#define OPJ_D_off(i, off)
Definition dwt.c:2574

Referenced by opj_dwt_decode_partial_1_parallel().

◆ OPJ_D_off

#define OPJ_D_off ( i,
off )
Value:
a[(1+(OPJ_UINT32)(i)*2)*4+off]
uint32_t OPJ_UINT32
Definition openjpeg.h:132

Referenced by opj_dwt_decode_partial_1_parallel().

◆ OPJ_Dc

#define OPJ_Dc ( i)
Value:
tmp[((1+(i)*2))* NB_ELTS_V8 + c]
#define NB_ELTS_V8
Definition dwt.c:93

Referenced by opj_dwt_encode_and_deinterleave_v().

◆ OPJ_DD_

#define OPJ_DD_ ( i)
Value:
((i)<0?OPJ_D(0):((i)>=sn?OPJ_D(sn-1):OPJ_D(i)))

Referenced by opj_dwt_decode_partial_1().

◆ OPJ_DD__off

#define OPJ_DD__off ( i,
off )
Value:
((i)<0?OPJ_D_off(0,off):((i)>=sn?OPJ_D_off(sn-1,off):OPJ_D_off(i,off)))

Referenced by opj_dwt_decode_partial_1_parallel().

◆ OPJ_S

#define OPJ_S ( i)
Value:
a[(i)*2]

Referenced by opj_dwt_decode_partial_1().

◆ OPJ_S_

#define OPJ_S_ ( i)
Value:
((i)<0?OPJ_S(0):((i)>=sn?OPJ_S(sn-1):OPJ_S(i)))
#define OPJ_S(i)
Definition dwt.c:187

Referenced by opj_dwt_decode_partial_1().

◆ OPJ_S__off

#define OPJ_S__off ( i,
off )
Value:
((i)<0?OPJ_S_off(0,off):((i)>=sn?OPJ_S_off(sn-1,off):OPJ_S_off(i,off)))
#define OPJ_S_off(i, off)
Definition dwt.c:2573

Referenced by opj_dwt_decode_partial_1_parallel().

◆ OPJ_S_off

#define OPJ_S_off ( i,
off )
Value:
a[(OPJ_UINT32)(i)*2*4+off]

Referenced by opj_dwt_decode_partial_1_parallel().

◆ OPJ_Sc

#define OPJ_Sc ( i)
Value:
tmp[(i)*2* NB_ELTS_V8 + c]

Referenced by opj_dwt_encode_and_deinterleave_v().

◆ OPJ_SKIP_POISON

#define OPJ_SKIP_POISON

◆ OPJ_SS_

#define OPJ_SS_ ( i)
Value:
((i)<0?OPJ_S(0):((i)>=dn?OPJ_S(dn-1):OPJ_S(i)))

Referenced by opj_dwt_decode_partial_1().

◆ OPJ_SS__off

#define OPJ_SS__off ( i,
off )
Value:
((i)<0?OPJ_S_off(0,off):((i)>=dn?OPJ_S_off(dn-1,off):OPJ_S_off(i,off)))

Referenced by opj_dwt_decode_partial_1_parallel().

◆ OPJ_WD

#define OPJ_WD ( i)
Value:
v->mem[(1+(i)*2)]

◆ OPJ_WS

#define OPJ_WS ( i)
Value:
v->mem[(i)*2]

◆ PARALLEL_COLS_53

#define PARALLEL_COLS_53   (2*VREG_INT_COUNT)

Number of columns that we can process in parallel in the vertical pass.

Referenced by opj_dwt_decode_tile(), opj_dwt_decode_v_func(), and opj_idwt53_v().

◆ VREG_INT_COUNT

#define VREG_INT_COUNT   4

Number of int32 values in a SSE2 register.

Typedef Documentation

◆ opj_dwt_t

typedef struct dwt_local opj_dwt_t

◆ opj_encode_and_deinterleave_h_one_row_fnptr_type

typedef void(* opj_encode_and_deinterleave_h_one_row_fnptr_type) (void *row, void *tmp, OPJ_UINT32 width, OPJ_BOOL even)

◆ opj_encode_and_deinterleave_v_fnptr_type

typedef void(* opj_encode_and_deinterleave_v_fnptr_type) (void *array, void *tmp, OPJ_UINT32 height, OPJ_BOOL even, OPJ_UINT32 stride_width, OPJ_UINT32 cols)

◆ opj_v8dwt_t

typedef struct v8dwt_local opj_v8dwt_t

Function Documentation

◆ opj_dwt97_decode_h_func()

◆ opj_dwt97_decode_v_func()

◆ opj_dwt_calc_explicit_stepsizes()

void opj_dwt_calc_explicit_stepsizes ( opj_tccp_t * tccp,
OPJ_UINT32 prec )

Explicit calculation of the Quantization Stepsizes.

Parameters
tccpTile-component coding parameters
precPrecint analyzed

References J2K_CCP_QNTSTY_NOQNT, opj_tccp::numresolutions, opj_dwt_encode_stepsize(), opj_dwt_getnorm_real(), opj_tccp::qmfbid, opj_tccp::qntsty, and opj_tccp::stepsizes.

Referenced by opj_j2k_setup_encoder().

◆ opj_dwt_decode()

OPJ_BOOL opj_dwt_decode ( opj_tcd_t * p_tcd,
opj_tcd_tilecomp_t * tilec,
OPJ_UINT32 numres )

Inverse 5-3 wavelet transform in 2-D.

Apply a reversible inverse DWT transform to a component of an image.

Parameters
p_tcdTCD handle
tilecTile component information (current tile)
numresNumber of resolution levels to decode

References opj_dwt_decode_partial_tile(), opj_dwt_decode_tile(), opj_tcd::thread_pool, and opj_tcd::whole_tile_decoding.

Referenced by main(), and opj_tcd_dwt_decode().

◆ opj_dwt_decode_h_func()

◆ opj_dwt_decode_partial_1()

void opj_dwt_decode_partial_1 ( OPJ_INT32 * a,
OPJ_INT32 dn,
OPJ_INT32 sn,
OPJ_INT32 cas,
OPJ_INT32 win_l_x0,
OPJ_INT32 win_l_x1,
OPJ_INT32 win_h_x0,
OPJ_INT32 win_h_x1 )
static

◆ opj_dwt_decode_partial_1_parallel()

void opj_dwt_decode_partial_1_parallel ( OPJ_INT32 * a,
OPJ_UINT32 nb_cols,
OPJ_INT32 dn,
OPJ_INT32 sn,
OPJ_INT32 cas,
OPJ_INT32 win_l_x0,
OPJ_INT32 win_l_x1,
OPJ_INT32 win_h_x0,
OPJ_INT32 win_h_x1 )
static

◆ opj_dwt_decode_partial_97()

◆ opj_dwt_decode_partial_tile()

◆ opj_dwt_decode_real()

OPJ_BOOL opj_dwt_decode_real ( opj_tcd_t * p_tcd,
opj_tcd_tilecomp_t *OPJ_RESTRICT tilec,
OPJ_UINT32 numres )

Inverse 9-7 wavelet transform in 2-D.

Apply an irreversible inverse DWT transform to a component of an image.

Parameters
p_tcdTCD handle
tilecTile component information (current tile)
numresNumber of resolution levels to decode

References opj_dwt_decode_partial_97(), opj_dwt_decode_tile_97(), OPJ_RESTRICT, opj_tcd::thread_pool, and opj_tcd::whole_tile_decoding.

Referenced by main(), and opj_tcd_dwt_decode().

◆ opj_dwt_decode_tile()

◆ opj_dwt_decode_tile_97()

◆ opj_dwt_decode_v_func()

◆ opj_dwt_deinterleave_h()

void opj_dwt_deinterleave_h ( const OPJ_INT32 *OPJ_RESTRICT a,
OPJ_INT32 *OPJ_RESTRICT b,
OPJ_INT32 dn,
OPJ_INT32 sn,
OPJ_INT32 cas )
static

Forward lazy transform (horizontal)

References OPJ_RESTRICT.

Referenced by opj_dwt_encode_and_deinterleave_h_one_row_real().

◆ opj_dwt_deinterleave_v_cols()

INLINE void opj_dwt_deinterleave_v_cols ( const OPJ_INT32 *OPJ_RESTRICT src,
OPJ_INT32 *OPJ_RESTRICT dst,
OPJ_INT32 dn,
OPJ_INT32 sn,
OPJ_UINT32 stride_width,
OPJ_INT32 cas,
OPJ_UINT32 cols )
static

◆ opj_dwt_encode()

OPJ_BOOL opj_dwt_encode ( opj_tcd_t * p_tcd,
opj_tcd_tilecomp_t * tilec )

Forward 5-3 wavelet transform in 2-D.

Apply a reversible DWT transform to a component of an image.

Parameters
p_tcdTCD handle
tilecTile component information (current tile)

References opj_dwt_encode_and_deinterleave_h_one_row(), opj_dwt_encode_and_deinterleave_v(), opj_dwt_encode_procedure(), and opj_tcd::thread_pool.

Referenced by main(), and opj_tcd_dwt_encode().

◆ opj_dwt_encode_1_real()

void opj_dwt_encode_1_real ( void * a,
OPJ_INT32 dn,
OPJ_INT32 sn,
OPJ_INT32 cas )
static

◆ opj_dwt_encode_and_deinterleave_h_one_row()

void opj_dwt_encode_and_deinterleave_h_one_row ( void * rowIn,
void * tmpIn,
OPJ_UINT32 width,
OPJ_BOOL even )
static

Process one line for the horizontal pass of the 5x3 forward transform.

References OPJ_RESTRICT.

Referenced by opj_dwt_encode().

◆ opj_dwt_encode_and_deinterleave_h_one_row_real()

void opj_dwt_encode_and_deinterleave_h_one_row_real ( void * rowIn,
void * tmpIn,
OPJ_UINT32 width,
OPJ_BOOL even )
static

Process one line for the horizontal pass of the 9x7 forward transform.

References opj_dwt_deinterleave_h(), opj_dwt_encode_1_real(), and OPJ_RESTRICT.

Referenced by opj_dwt_encode_real().

◆ opj_dwt_encode_and_deinterleave_v()

void opj_dwt_encode_and_deinterleave_v ( void * arrayIn,
void * tmpIn,
OPJ_UINT32 height,
OPJ_BOOL even,
OPJ_UINT32 stride_width,
OPJ_UINT32 cols )
static

◆ opj_dwt_encode_and_deinterleave_v_real()

void opj_dwt_encode_and_deinterleave_v_real ( void * arrayIn,
void * tmpIn,
OPJ_UINT32 height,
OPJ_BOOL even,
OPJ_UINT32 stride_width,
OPJ_UINT32 cols )
static

◆ opj_dwt_encode_h_func()

◆ opj_dwt_encode_procedure()

◆ opj_dwt_encode_real()

OPJ_BOOL opj_dwt_encode_real ( opj_tcd_t * p_tcd,
opj_tcd_tilecomp_t * tilec )

Forward 9-7 wavelet transform in 2-D.

Apply an irreversible DWT transform to a component of an image.

Parameters
p_tcdTCD handle
tilecTile component information (current tile)

References opj_dwt_encode_and_deinterleave_h_one_row_real(), opj_dwt_encode_and_deinterleave_v_real(), opj_dwt_encode_procedure(), and opj_tcd::thread_pool.

Referenced by main(), and opj_tcd_dwt_encode().

◆ opj_dwt_encode_step1_combined()

void opj_dwt_encode_step1_combined ( OPJ_FLOAT32 * fw,
OPJ_UINT32 iters_c1,
OPJ_UINT32 iters_c2,
const OPJ_FLOAT32 c1,
const OPJ_FLOAT32 c2 )
static

References opj_int_abs(), and opj_uint_min().

Referenced by opj_dwt_encode_1_real().

◆ opj_dwt_encode_step2()

void opj_dwt_encode_step2 ( OPJ_FLOAT32 * fl,
OPJ_FLOAT32 * fw,
OPJ_UINT32 end,
OPJ_UINT32 m,
OPJ_FLOAT32 c )
static

References opj_uint_min().

Referenced by opj_dwt_encode_1_real().

◆ opj_dwt_encode_stepsize()

void opj_dwt_encode_stepsize ( OPJ_INT32 stepsize,
OPJ_INT32 numbps,
opj_stepsize_t * bandno_stepsize )
static

Explicit calculation of the Quantization Stepsizes.

References opj_stepsize::expn, opj_stepsize::mant, and opj_int_floorlog2().

Referenced by opj_dwt_calc_explicit_stepsizes().

◆ opj_dwt_encode_v_func()

◆ opj_dwt_fetch_cols_vertical_pass()

void opj_dwt_fetch_cols_vertical_pass ( const void * arrayIn,
void * tmpOut,
OPJ_UINT32 height,
OPJ_UINT32 stride_width,
OPJ_UINT32 cols )
static

Fetch up to cols <= NB_ELTS_V8 for each line, and put them in tmpOut.

References NB_ELTS_V8, and OPJ_RESTRICT.

Referenced by opj_dwt_encode_and_deinterleave_v(), and opj_dwt_encode_and_deinterleave_v_real().

◆ opj_dwt_get_band_coordinates()

void opj_dwt_get_band_coordinates ( opj_tcd_tilecomp_t * tilec,
OPJ_UINT32 resno,
OPJ_UINT32 bandno,
OPJ_UINT32 tcx0,
OPJ_UINT32 tcy0,
OPJ_UINT32 tcx1,
OPJ_UINT32 tcy1,
OPJ_UINT32 * tbx0,
OPJ_UINT32 * tby0,
OPJ_UINT32 * tbx1,
OPJ_UINT32 * tby1 )
static

◆ opj_dwt_getnorm()

OPJ_FLOAT64 opj_dwt_getnorm ( OPJ_UINT32 level,
OPJ_UINT32 orient )

Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT.

Parameters
levelLevel of the wavelet function
orientBand of the wavelet function
Returns
Returns the norm of the wavelet function

References opj_dwt_norms.

Referenced by opj_t1_getwmsedec().

◆ opj_dwt_getnorm_real()

OPJ_FLOAT64 opj_dwt_getnorm_real ( OPJ_UINT32 level,
OPJ_UINT32 orient )

Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT.

Parameters
levelLevel of the wavelet function
orientBand of the wavelet function
Returns
Returns the norm of the 9-7 wavelet

References opj_dwt_norms_real.

Referenced by opj_dwt_calc_explicit_stepsizes(), and opj_t1_getwmsedec().

◆ opj_dwt_init_sparse_array()

◆ opj_dwt_interleave_partial_h()

void opj_dwt_interleave_partial_h ( OPJ_INT32 * dest,
OPJ_INT32 cas,
opj_sparse_array_int32_t * sa,
OPJ_UINT32 sa_line,
OPJ_UINT32 sn,
OPJ_UINT32 win_l_x0,
OPJ_UINT32 win_l_x1,
OPJ_UINT32 win_h_x0,
OPJ_UINT32 win_h_x1 )
static

◆ opj_dwt_interleave_partial_v()

void opj_dwt_interleave_partial_v ( OPJ_INT32 * dest,
OPJ_INT32 cas,
opj_sparse_array_int32_t * sa,
OPJ_UINT32 sa_col,
OPJ_UINT32 nb_cols,
OPJ_UINT32 sn,
OPJ_UINT32 win_l_y0,
OPJ_UINT32 win_l_y1,
OPJ_UINT32 win_h_y0,
OPJ_UINT32 win_h_y1 )
static

◆ opj_dwt_max_resolution()

◆ opj_dwt_segment_grow()

void opj_dwt_segment_grow ( OPJ_UINT32 filter_width,
OPJ_UINT32 max_size,
OPJ_UINT32 * start,
OPJ_UINT32 * end )
static

◆ opj_idwt3_v_cas0()

void opj_idwt3_v_cas0 ( OPJ_INT32 * tmp,
const OPJ_INT32 sn,
const OPJ_INT32 len,
OPJ_INT32 * tiledp_col,
const OPJ_SIZE_T stride )
static

Vertical inverse 5x3 wavelet transform for one column, when top-most pixel is on even coordinate.

References opj_int_add_no_overflow(), and opj_int_sub_no_overflow().

Referenced by opj_idwt53_v().

◆ opj_idwt3_v_cas1()

void opj_idwt3_v_cas1 ( OPJ_INT32 * tmp,
const OPJ_INT32 sn,
const OPJ_INT32 len,
OPJ_INT32 * tiledp_col,
const OPJ_SIZE_T stride )
static

Vertical inverse 5x3 wavelet transform for one column, when top-most pixel is on odd coordinate.

Referenced by opj_idwt53_v().

◆ opj_idwt53_h()

void opj_idwt53_h ( const opj_dwt_t * dwt,
OPJ_INT32 * tiledp )
static

◆ opj_idwt53_h_cas0()

void opj_idwt53_h_cas0 ( OPJ_INT32 * tmp,
const OPJ_INT32 sn,
const OPJ_INT32 len,
OPJ_INT32 * tiledp )
static

References opj_int_add_no_overflow().

Referenced by opj_idwt53_h().

◆ opj_idwt53_h_cas1()

void opj_idwt53_h_cas1 ( OPJ_INT32 * tmp,
const OPJ_INT32 sn,
const OPJ_INT32 len,
OPJ_INT32 * tiledp )
static

References opj_int_add_no_overflow().

Referenced by opj_idwt53_h().

◆ opj_idwt53_v()

void opj_idwt53_v ( const opj_dwt_t * dwt,
OPJ_INT32 * tiledp_col,
OPJ_SIZE_T stride,
OPJ_INT32 nb_cols )
static

◆ opj_v8dwt_decode()

◆ opj_v8dwt_decode_step1()

void opj_v8dwt_decode_step1 ( opj_v8_t * w,
OPJ_UINT32 start,
OPJ_UINT32 end,
const OPJ_FLOAT32 c )
static

References OPJ_RESTRICT.

Referenced by opj_v8dwt_decode().

◆ opj_v8dwt_decode_step2()

void opj_v8dwt_decode_step2 ( opj_v8_t * l,
opj_v8_t * w,
OPJ_UINT32 start,
OPJ_UINT32 end,
OPJ_UINT32 m,
OPJ_FLOAT32 c )
static

References NB_ELTS_V8, and opj_uint_min().

Referenced by opj_v8dwt_decode().

◆ opj_v8dwt_encode_step1()

void opj_v8dwt_encode_step1 ( OPJ_FLOAT32 * fw,
OPJ_UINT32 end,
const OPJ_FLOAT32 cst )
static

◆ opj_v8dwt_encode_step2()

void opj_v8dwt_encode_step2 ( OPJ_FLOAT32 * fl,
OPJ_FLOAT32 * fw,
OPJ_UINT32 end,
OPJ_UINT32 m,
OPJ_FLOAT32 cst )
static

◆ opj_v8dwt_interleave_h()

void opj_v8dwt_interleave_h ( opj_v8dwt_t *OPJ_RESTRICT dwt,
OPJ_FLOAT32 *OPJ_RESTRICT a,
OPJ_UINT32 width,
OPJ_UINT32 remaining_height )
static

◆ opj_v8dwt_interleave_partial_h()

◆ opj_v8dwt_interleave_partial_v()

void opj_v8dwt_interleave_partial_v ( opj_v8dwt_t *OPJ_RESTRICT dwt,
opj_sparse_array_int32_t * sa,
OPJ_UINT32 sa_col,
OPJ_UINT32 nb_elts_read )
static

◆ opj_v8dwt_interleave_v()

INLINE void opj_v8dwt_interleave_v ( opj_v8dwt_t *OPJ_RESTRICT dwt,
OPJ_FLOAT32 *OPJ_RESTRICT a,
OPJ_UINT32 width,
OPJ_UINT32 nb_elts_read )
static

Variable Documentation

◆ opj_dwt_alpha

const OPJ_FLOAT32 opj_dwt_alpha = -1.586134342f
static

◆ opj_dwt_beta

const OPJ_FLOAT32 opj_dwt_beta = -0.052980118f
static

◆ opj_dwt_delta

const OPJ_FLOAT32 opj_dwt_delta = 0.443506852f
static

◆ opj_dwt_gamma

const OPJ_FLOAT32 opj_dwt_gamma = 0.882911075f
static

◆ opj_dwt_norms

const OPJ_FLOAT64 opj_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 opj_dwt_getnorm().

◆ opj_dwt_norms_real

const OPJ_FLOAT64 opj_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 opj_dwt_getnorm_real().

◆ opj_invK

const OPJ_FLOAT32 opj_invK = (OPJ_FLOAT32)(1.0 / 1.230174105)
static

◆ opj_K