2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2007, Jonathan Ballard <dzonatas@dzonux.net>
15 * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
16 * All rights reserved.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
41 #include <xmmintrin.h>
44 #include "opj_includes.h"
46 /** @defgroup DWT DWT - Implementation of a discrete wavelet transform */
49 #define OPJ_WS(i) v->mem[(i)*2]
50 #define OPJ_WD(i) v->mem[(1+(i)*2)]
52 /** @name Local data structures */
55 typedef struct dwt_local {
66 typedef struct v4dwt_local {
73 static const OPJ_FLOAT32 opj_dwt_alpha = 1.586134342f; /* 12994 */
74 static const OPJ_FLOAT32 opj_dwt_beta = 0.052980118f; /* 434 */
75 static const OPJ_FLOAT32 opj_dwt_gamma = -0.882911075f; /* -7233 */
76 static const OPJ_FLOAT32 opj_dwt_delta = -0.443506852f; /* -3633 */
78 static const OPJ_FLOAT32 opj_K = 1.230174105f; /* 10078 */
79 static const OPJ_FLOAT32 opj_c13318 = 1.625732422f;
84 Virtual function type for wavelet transform in 1-D
86 typedef void (*DWT1DFN)(opj_dwt_t* v);
88 /** @name Local static functions */
92 Forward lazy transform (horizontal)
94 static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
96 Forward lazy transform (vertical)
98 static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas);
100 Inverse lazy transform (horizontal)
102 static void opj_dwt_interleave_h(opj_dwt_t* h, OPJ_INT32 *a);
104 Inverse lazy transform (vertical)
106 static void opj_dwt_interleave_v(opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x);
108 Forward 5-3 wavelet transform in 1-D
110 static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
112 Inverse 5-3 wavelet transform in 1-D
114 static void opj_dwt_decode_1(opj_dwt_t *v);
115 static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
117 Forward 9-7 wavelet transform in 1-D
119 static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
121 Explicit calculation of the Quantization Stepsizes
123 static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps, opj_stepsize_t *bandno_stepsize);
125 Inverse wavelet transform in 2-D.
127 static OPJ_BOOL opj_dwt_decode_tile(opj_tcd_tilecomp_t* tilec, OPJ_UINT32 i, DWT1DFN fn);
129 static OPJ_BOOL opj_dwt_encode_procedure( opj_tcd_tilecomp_t * tilec,
130 void (*p_function)(OPJ_INT32 *, OPJ_INT32,OPJ_INT32,OPJ_INT32) );
132 static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* restrict r, OPJ_UINT32 i);
135 /* Inverse 9-7 wavelet transform in 1-D. */
137 static void opj_v4dwt_decode(opj_v4dwt_t* restrict dwt);
139 static void opj_v4dwt_interleave_h(opj_v4dwt_t* restrict w, OPJ_FLOAT32* restrict a, OPJ_INT32 x, OPJ_INT32 size);
141 static void opj_v4dwt_interleave_v(opj_v4dwt_t* restrict v , OPJ_FLOAT32* restrict a , OPJ_INT32 x, OPJ_INT32 nb_elts_read);
144 static void opj_v4dwt_decode_step1_sse(opj_v4_t* w, OPJ_INT32 count, const __m128 c);
146 static void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, __m128 c);
149 static void opj_v4dwt_decode_step1(opj_v4_t* w, OPJ_INT32 count, const OPJ_FLOAT32 c);
151 static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c);
159 #define OPJ_S(i) a[(i)*2]
160 #define OPJ_D(i) a[(1+(i)*2)]
161 #define OPJ_S_(i) ((i)<0?OPJ_S(0):((i)>=sn?OPJ_S(sn-1):OPJ_S(i)))
162 #define OPJ_D_(i) ((i)<0?OPJ_D(0):((i)>=dn?OPJ_D(dn-1):OPJ_D(i)))
164 #define OPJ_SS_(i) ((i)<0?OPJ_S(0):((i)>=dn?OPJ_S(dn-1):OPJ_S(i)))
165 #define OPJ_DD_(i) ((i)<0?OPJ_D(0):((i)>=sn?OPJ_D(sn-1):OPJ_D(i)))
168 /* This table contains the norms of the 5-3 wavelets for different bands. */
170 static const OPJ_FLOAT64 opj_dwt_norms[4][10] = {
171 {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
172 {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
173 {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
174 {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
178 /* This table contains the norms of the 9-7 wavelets for different bands. */
180 static const OPJ_FLOAT64 opj_dwt_norms_real[4][10] = {
181 {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
182 {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
183 {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
184 {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
188 ==========================================================
190 ==========================================================
194 /* Forward lazy transform (horizontal). */
196 void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
198 OPJ_INT32 * l_dest = b;
199 OPJ_INT32 * l_src = a+cas;
201 for (i=0; i<sn; ++i) {
209 for (i=0; i<dn; ++i) {
216 /* Forward lazy transform (vertical). */
218 void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas) {
220 OPJ_INT32 * l_dest = b;
221 OPJ_INT32 * l_src = a+cas;
227 } /* b[i*x]=a[2*i+cas]; */
237 } /*b[(sn+i)*x]=a[(2*i+1-cas)];*/
241 /* Inverse lazy transform (horizontal). */
243 void opj_dwt_interleave_h(opj_dwt_t* h, OPJ_INT32 *a) {
245 OPJ_INT32 *bi = h->mem + h->cas;
252 bi = h->mem + 1 - h->cas;
261 /* Inverse lazy transform (vertical). */
263 void opj_dwt_interleave_v(opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x) {
265 OPJ_INT32 *bi = v->mem + v->cas;
272 ai = a + (v->sn * x);
273 bi = v->mem + 1 - v->cas;
284 /* Forward 5-3 wavelet transform in 1-D. */
286 void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
290 if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
291 for (i = 0; i < dn; i++) OPJ_D(i) -= (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
292 for (i = 0; i < sn; i++) OPJ_S(i) += (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
295 if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
298 for (i = 0; i < dn; i++) OPJ_S(i) -= (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1;
299 for (i = 0; i < sn; i++) OPJ_D(i) += (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2;
305 /* Inverse 5-3 wavelet transform in 1-D. */
307 void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
311 if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
312 for (i = 0; i < sn; i++) OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
313 for (i = 0; i < dn; i++) OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
316 if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
319 for (i = 0; i < sn; i++) OPJ_D(i) -= (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2;
320 for (i = 0; i < dn; i++) OPJ_S(i) += (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1;
326 /* Inverse 5-3 wavelet transform in 1-D. */
328 void opj_dwt_decode_1(opj_dwt_t *v) {
329 opj_dwt_decode_1_(v->mem, v->dn, v->sn, v->cas);
333 /* Forward 9-7 wavelet transform in 1-D. */
335 void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
338 if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
339 for (i = 0; i < dn; i++)
340 OPJ_D(i) -= opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 12993);
341 for (i = 0; i < sn; i++)
342 OPJ_S(i) -= opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 434);
343 for (i = 0; i < dn; i++)
344 OPJ_D(i) += opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 7233);
345 for (i = 0; i < sn; i++)
346 OPJ_S(i) += opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 3633);
347 for (i = 0; i < dn; i++)
348 OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 5038); /*5038 */
349 for (i = 0; i < sn; i++)
350 OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 6659); /*6660 */
353 if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
354 for (i = 0; i < dn; i++)
355 OPJ_S(i) -= opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 12993);
356 for (i = 0; i < sn; i++)
357 OPJ_D(i) -= opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 434);
358 for (i = 0; i < dn; i++)
359 OPJ_S(i) += opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 7233);
360 for (i = 0; i < sn; i++)
361 OPJ_D(i) += opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 3633);
362 for (i = 0; i < dn; i++)
363 OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 5038); /*5038 */
364 for (i = 0; i < sn; i++)
365 OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 6659); /*6660 */
370 void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps, opj_stepsize_t *bandno_stepsize) {
372 p = opj_int_floorlog2(stepsize) - 13;
373 n = 11 - opj_int_floorlog2(stepsize);
374 bandno_stepsize->mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
375 bandno_stepsize->expn = numbps - p;
379 ==========================================================
381 ==========================================================
386 /* Forward 5-3 wavelet transform in 2-D. */
388 INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,void (*p_function)(OPJ_INT32 *, OPJ_INT32,OPJ_INT32,OPJ_INT32) )
396 OPJ_INT32 rw; /* width of the resolution level computed */
397 OPJ_INT32 rh; /* height of the resolution level computed */
398 OPJ_UINT32 l_data_size;
400 opj_tcd_resolution_t * l_cur_res = 0;
401 opj_tcd_resolution_t * l_last_res = 0;
403 w = tilec->x1-tilec->x0;
404 l = (OPJ_INT32)tilec->numresolutions-1;
407 l_cur_res = tilec->resolutions + l;
408 l_last_res = l_cur_res - 1;
410 l_data_size = opj_dwt_max_resolution( tilec->resolutions,tilec->numresolutions) * (OPJ_UINT32)sizeof(OPJ_INT32);
411 bj = (OPJ_INT32*)opj_malloc((size_t)l_data_size);
418 OPJ_INT32 rw1; /* width of the resolution level once lower than computed one */
419 OPJ_INT32 rh1; /* height of the resolution level once lower than computed one */
420 OPJ_INT32 cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
421 OPJ_INT32 cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
424 rw = l_cur_res->x1 - l_cur_res->x0;
425 rh = l_cur_res->y1 - l_cur_res->y0;
426 rw1 = l_last_res->x1 - l_last_res->x0;
427 rh1 = l_last_res->y1 - l_last_res->y0;
429 cas_row = l_cur_res->x0 & 1;
430 cas_col = l_cur_res->y0 & 1;
434 for (j = 0; j < rw; ++j) {
436 for (k = 0; k < rh; ++k) {
440 (*p_function) (bj, dn, sn, cas_col);
442 opj_dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
448 for (j = 0; j < rh; j++) {
450 for (k = 0; k < rw; k++) bj[k] = aj[k];
451 (*p_function) (bj, dn, sn, cas_row);
452 opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
455 l_cur_res = l_last_res;
464 /* Forward 5-3 wavelet transform in 2-D. */
466 OPJ_BOOL opj_dwt_encode(opj_tcd_tilecomp_t * tilec)
468 return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1);
472 /* Inverse 5-3 wavelet transform in 2-D. */
474 OPJ_BOOL opj_dwt_decode(opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres) {
475 return opj_dwt_decode_tile(tilec, numres, &opj_dwt_decode_1);
480 /* Get gain of 5-3 wavelet transform. */
482 OPJ_UINT32 opj_dwt_getgain(OPJ_UINT32 orient) {
485 if (orient == 1 || orient == 2)
491 /* Get norm of 5-3 wavelet. */
493 OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient) {
494 return opj_dwt_norms[orient][level];
498 /* Forward 9-7 wavelet transform in 2-D. */
500 OPJ_BOOL opj_dwt_encode_real(opj_tcd_tilecomp_t * tilec)
502 return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1_real);
506 /* Get gain of 9-7 wavelet transform. */
508 OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient) {
514 /* Get norm of 9-7 wavelet. */
516 OPJ_FLOAT64 opj_dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient) {
517 return opj_dwt_norms_real[orient][level];
520 void opj_dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, OPJ_UINT32 prec) {
521 OPJ_UINT32 numbands, bandno;
522 numbands = 3 * tccp->numresolutions - 2;
523 for (bandno = 0; bandno < numbands; bandno++) {
524 OPJ_FLOAT64 stepsize;
525 OPJ_UINT32 resno, level, orient, gain;
527 resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1);
528 orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1);
529 level = tccp->numresolutions - 1 - resno;
530 gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) || (orient == 2)) ? 1 : 2));
531 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
534 OPJ_FLOAT64 norm = opj_dwt_norms_real[orient][level];
535 stepsize = (1 << (gain)) / norm;
537 opj_dwt_encode_stepsize((OPJ_INT32) floor(stepsize * 8192.0), (OPJ_INT32)(prec + gain), &tccp->stepsizes[bandno]);
542 /* Determine maximum computed resolution level for inverse wavelet transform */
544 OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* restrict r, OPJ_UINT32 i) {
549 if( mr < ( w = (OPJ_UINT32)(r->x1 - r->x0) ) )
551 if( mr < ( w = (OPJ_UINT32)(r->y1 - r->y0) ) )
558 /* Inverse wavelet transform in 2-D. */
560 OPJ_BOOL opj_dwt_decode_tile(opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres, DWT1DFN dwt_1D) {
564 opj_tcd_resolution_t* tr = tilec->resolutions;
566 OPJ_UINT32 rw = (OPJ_UINT32)(tr->x1 - tr->x0); /* width of the resolution level computed */
567 OPJ_UINT32 rh = (OPJ_UINT32)(tr->y1 - tr->y0); /* height of the resolution level computed */
569 OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
572 opj_aligned_malloc(opj_dwt_max_resolution(tr, numres) * sizeof(OPJ_INT32));
574 /* FIXME event manager error callback */
581 OPJ_INT32 * restrict tiledp = tilec->data;
585 h.sn = (OPJ_INT32)rw;
586 v.sn = (OPJ_INT32)rh;
588 rw = (OPJ_UINT32)(tr->x1 - tr->x0);
589 rh = (OPJ_UINT32)(tr->y1 - tr->y0);
591 h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn);
594 for(j = 0; j < rh; ++j) {
595 opj_dwt_interleave_h(&h, &tiledp[j*w]);
597 memcpy(&tiledp[j*w], h.mem, rw * sizeof(OPJ_INT32));
600 v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
603 for(j = 0; j < rw; ++j){
605 opj_dwt_interleave_v(&v, &tiledp[j], (OPJ_INT32)w);
607 for(k = 0; k < rh; ++k) {
608 tiledp[k * w + j] = v.mem[k];
612 opj_aligned_free(h.mem);
616 void opj_v4dwt_interleave_h(opj_v4dwt_t* restrict w, OPJ_FLOAT32* restrict a, OPJ_INT32 x, OPJ_INT32 size){
617 OPJ_FLOAT32* restrict bi = (OPJ_FLOAT32*) (w->wavelet + w->cas);
618 OPJ_INT32 count = w->sn;
621 for(k = 0; k < 2; ++k){
622 if ( count + 3 * x < size && ((size_t) a & 0x0f) == 0 && ((size_t) bi & 0x0f) == 0 && (x & 0x0f) == 0 ) {
624 for(i = 0; i < count; ++i){
637 for(i = 0; i < count; ++i){
641 if(j >= size) continue;
644 if(j >= size) continue;
647 if(j >= size) continue;
648 bi[i*8 + 3] = a[j]; /* This one*/
652 bi = (OPJ_FLOAT32*) (w->wavelet + 1 - w->cas);
659 void opj_v4dwt_interleave_v(opj_v4dwt_t* restrict v , OPJ_FLOAT32* restrict a , OPJ_INT32 x, OPJ_INT32 nb_elts_read){
660 opj_v4_t* restrict bi = v->wavelet + v->cas;
663 for(i = 0; i < v->sn; ++i){
664 memcpy(&bi[i*2], &a[i*x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32));
668 bi = v->wavelet + 1 - v->cas;
670 for(i = 0; i < v->dn; ++i){
671 memcpy(&bi[i*2], &a[i*x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32));
677 void opj_v4dwt_decode_step1_sse(opj_v4_t* w, OPJ_INT32 count, const __m128 c){
678 __m128* restrict vw = (__m128*) w;
680 /* 4x unrolled loop */
681 for(i = 0; i < count >> 2; ++i){
682 *vw = _mm_mul_ps(*vw, c);
684 *vw = _mm_mul_ps(*vw, c);
686 *vw = _mm_mul_ps(*vw, c);
688 *vw = _mm_mul_ps(*vw, c);
692 for(i = 0; i < count; ++i){
693 *vw = _mm_mul_ps(*vw, c);
698 void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, __m128 c){
699 __m128* restrict vl = (__m128*) l;
700 __m128* restrict vw = (__m128*) w;
702 __m128 tmp1, tmp2, tmp3;
704 for(i = 0; i < m; ++i){
707 vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c));
715 c = _mm_add_ps(c, c);
716 c = _mm_mul_ps(c, vl[0]);
719 vw[-1] = _mm_add_ps(tmp, c);
726 void opj_v4dwt_decode_step1(opj_v4_t* w, OPJ_INT32 count, const OPJ_FLOAT32 c)
728 OPJ_FLOAT32* restrict fw = (OPJ_FLOAT32*) w;
730 for(i = 0; i < count; ++i){
731 OPJ_FLOAT32 tmp1 = fw[i*8 ];
732 OPJ_FLOAT32 tmp2 = fw[i*8 + 1];
733 OPJ_FLOAT32 tmp3 = fw[i*8 + 2];
734 OPJ_FLOAT32 tmp4 = fw[i*8 + 3];
736 fw[i*8 + 1] = tmp2 * c;
737 fw[i*8 + 2] = tmp3 * c;
738 fw[i*8 + 3] = tmp4 * c;
742 void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c)
744 OPJ_FLOAT32* restrict fl = (OPJ_FLOAT32*) l;
745 OPJ_FLOAT32* restrict fw = (OPJ_FLOAT32*) w;
747 for(i = 0; i < m; ++i){
748 OPJ_FLOAT32 tmp1_1 = fl[0];
749 OPJ_FLOAT32 tmp1_2 = fl[1];
750 OPJ_FLOAT32 tmp1_3 = fl[2];
751 OPJ_FLOAT32 tmp1_4 = fl[3];
752 OPJ_FLOAT32 tmp2_1 = fw[-4];
753 OPJ_FLOAT32 tmp2_2 = fw[-3];
754 OPJ_FLOAT32 tmp2_3 = fw[-2];
755 OPJ_FLOAT32 tmp2_4 = fw[-1];
756 OPJ_FLOAT32 tmp3_1 = fw[0];
757 OPJ_FLOAT32 tmp3_2 = fw[1];
758 OPJ_FLOAT32 tmp3_3 = fw[2];
759 OPJ_FLOAT32 tmp3_4 = fw[3];
760 fw[-4] = tmp2_1 + ((tmp1_1 + tmp3_1) * c);
761 fw[-3] = tmp2_2 + ((tmp1_2 + tmp3_2) * c);
762 fw[-2] = tmp2_3 + ((tmp1_3 + tmp3_3) * c);
763 fw[-1] = tmp2_4 + ((tmp1_4 + tmp3_4) * c);
778 OPJ_FLOAT32 tmp1 = fw[-4];
779 OPJ_FLOAT32 tmp2 = fw[-3];
780 OPJ_FLOAT32 tmp3 = fw[-2];
781 OPJ_FLOAT32 tmp4 = fw[-1];
794 /* Inverse 9-7 wavelet transform in 1-D. */
796 void opj_v4dwt_decode(opj_v4dwt_t* restrict dwt)
800 if(!((dwt->dn > 0) || (dwt->sn > 1))){
806 if(!((dwt->sn > 0) || (dwt->dn > 1))) {
813 opj_v4dwt_decode_step1_sse(dwt->wavelet+a, dwt->sn, _mm_set1_ps(opj_K));
814 opj_v4dwt_decode_step1_sse(dwt->wavelet+b, dwt->dn, _mm_set1_ps(opj_c13318));
815 opj_v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(opj_dwt_delta));
816 opj_v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(opj_dwt_gamma));
817 opj_v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(opj_dwt_beta));
818 opj_v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(opj_dwt_alpha));
820 opj_v4dwt_decode_step1(dwt->wavelet+a, dwt->sn, opj_K);
821 opj_v4dwt_decode_step1(dwt->wavelet+b, dwt->dn, opj_c13318);
822 opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), opj_dwt_delta);
823 opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), opj_dwt_gamma);
824 opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), opj_dwt_beta);
825 opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), opj_dwt_alpha);
831 /* Inverse 9-7 wavelet transform in 2-D. */
833 OPJ_BOOL opj_dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, OPJ_UINT32 numres)
838 opj_tcd_resolution_t* res = tilec->resolutions;
840 OPJ_UINT32 rw = (OPJ_UINT32)(res->x1 - res->x0); /* width of the resolution level computed */
841 OPJ_UINT32 rh = (OPJ_UINT32)(res->y1 - res->y0); /* height of the resolution level computed */
843 OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
845 h.wavelet = (opj_v4_t*) opj_aligned_malloc((opj_dwt_max_resolution(res, numres)+5) * sizeof(opj_v4_t));
847 /* FIXME event manager error callback */
850 v.wavelet = h.wavelet;
853 OPJ_FLOAT32 * restrict aj = (OPJ_FLOAT32*) tilec->data;
854 OPJ_UINT32 bufsize = (OPJ_UINT32)((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0));
857 h.sn = (OPJ_INT32)rw;
858 v.sn = (OPJ_INT32)rh;
862 rw = (OPJ_UINT32)(res->x1 - res->x0); /* width of the resolution level computed */
863 rh = (OPJ_UINT32)(res->y1 - res->y0); /* height of the resolution level computed */
865 h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn);
868 for(j = (OPJ_INT32)rh; j > 3; j -= 4) {
870 opj_v4dwt_interleave_h(&h, aj, (OPJ_INT32)w, (OPJ_INT32)bufsize);
871 opj_v4dwt_decode(&h);
873 for(k = (OPJ_INT32)rw; --k >= 0;){
874 aj[k ] = h.wavelet[k].f[0];
875 aj[k+(OPJ_INT32)w ] = h.wavelet[k].f[1];
876 aj[k+(OPJ_INT32)w*2] = h.wavelet[k].f[2];
877 aj[k+(OPJ_INT32)w*3] = h.wavelet[k].f[3];
887 opj_v4dwt_interleave_h(&h, aj, (OPJ_INT32)w, (OPJ_INT32)bufsize);
888 opj_v4dwt_decode(&h);
889 for(k = (OPJ_INT32)rw; --k >= 0;){
891 case 3: aj[k+(OPJ_INT32)w*2] = h.wavelet[k].f[2];
892 case 2: aj[k+(OPJ_INT32)w ] = h.wavelet[k].f[1];
893 case 1: aj[k ] = h.wavelet[k].f[0];
898 v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
901 aj = (OPJ_FLOAT32*) tilec->data;
902 for(j = (OPJ_INT32)rw; j > 3; j -= 4){
905 opj_v4dwt_interleave_v(&v, aj, (OPJ_INT32)w, 4);
906 opj_v4dwt_decode(&v);
908 for(k = 0; k < rh; ++k){
909 memcpy(&aj[k*w], &v.wavelet[k], 4 * sizeof(OPJ_FLOAT32));
919 opj_v4dwt_interleave_v(&v, aj, (OPJ_INT32)w, j);
920 opj_v4dwt_decode(&v);
922 for(k = 0; k < rh; ++k){
923 memcpy(&aj[k*w], &v.wavelet[k], (size_t)j * sizeof(OPJ_FLOAT32));
928 opj_aligned_free(h.wavelet);