src/lib/openjp2/dwt.c

   1 /*
   2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
   3  * Copyright (c) 2002-2007, Professor Benoit Macq
   4  * Copyright (c) 2001-2003, David Janssens
   5  * Copyright (c) 2002-2003, Yannick Verschueren
   6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
   7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   8  * Copyright (c) 2007, Jonathan Ballard <dzonatas@dzonux.net>
   9  * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #ifdef __SSE__
  35 #include <xmmintrin.h>
  36 #endif
  37
  38 #include "opj_includes.h"
  39
  40 /** @defgroup DWT DWT - Implementation of a discrete wavelet transform */
  41 /*@{*/
  42
  43 #define WS(i) v->mem[(i)*2]
  44 #define WD(i) v->mem[(1+(i)*2)]
  45
  46 /** @name Local data structures */
  47 /*@{*/
  48
  49 typedef struct dwt_local {
  50         OPJ_INT32* mem;
  51         OPJ_INT32 dn;
  52         OPJ_INT32 sn;
  53         OPJ_INT32 cas;
  54 } dwt_t;
  55
  56 typedef union {
  57         OPJ_FLOAT32     f[4];
  58 } v4;
  59
  60 typedef struct v4dwt_local {
  61         v4*     wavelet ;
  62         OPJ_INT32               dn ;
  63         OPJ_INT32               sn ;
  64         OPJ_INT32               cas ;
  65 } v4dwt_t ;
  66
  67 static const OPJ_FLOAT32 opj_dwt_alpha =  1.586134342f; /*  12994 */
  68 static const OPJ_FLOAT32 opj_dwt_beta  =  0.052980118f; /*    434 */
  69 static const OPJ_FLOAT32 opj_dwt_gamma = -0.882911075f; /*  -7233 */
  70 static const OPJ_FLOAT32 opj_dwt_delta = -0.443506852f; /*  -3633 */
  71
  72 static const OPJ_FLOAT32 opj_K      = 1.230174105f; /*  10078 */
  73 static const OPJ_FLOAT32 opj_c13318 = 1.625732422f;
  74
  75 /*@}*/
  76
  77 /**
  78 Virtual function type for wavelet transform in 1-D
  79 */
  80 typedef void (*DWT1DFN)(dwt_t* v);
  81
  82 /** @name Local static functions */
  83 /*@{*/
  84
  85 /**
  86 Forward lazy transform (horizontal)
  87 */
  88 static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
  89 /**
  90 Forward lazy transform (vertical)
  91 */
  92 static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas);
  93 /**
  94 Inverse lazy transform (horizontal)
  95 */
  96 static void opj_dwt_interleave_h(dwt_t* h, OPJ_INT32 *a);
  97 /**
  98 Inverse lazy transform (vertical)
  99 */
 100 static void opj_dwt_interleave_v(dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x);
 101 /**
 102 Forward 5-3 wavelet transform in 1-D
 103 */
 104 static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
 105 /**
 106 Inverse 5-3 wavelet transform in 1-D
 107 */
 108 static void opj_dwt_decode_1(dwt_t *v);
 109 static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
 110 /**
 111 Forward 9-7 wavelet transform in 1-D
 112 */
 113 static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
 114 /**
 115 Explicit calculation of the Quantization Stepsizes
 116 */
 117 static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps, opj_stepsize_t *bandno_stepsize);
 118 /**
 119 Inverse wavelet transform in 2-D.
 120 */
 121 static opj_bool opj_dwt_decode_tile(opj_tcd_tilecomp_v2_t* tilec, OPJ_UINT32 i, DWT1DFN fn);
 122
 123 static opj_bool opj_dwt_encode_procedure(       opj_tcd_tilecomp_v2_t * tilec,
 124                                                                                     void (*p_function)(OPJ_INT32 *, OPJ_INT32,OPJ_INT32,OPJ_INT32) );
 125
 126 static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_v2_t* restrict r, OPJ_UINT32 i);
 127
 128 /* <summary>                             */
 129 /* Inverse 9-7 wavelet transform in 1-D. */
 130 /* </summary>                            */
 131 static void opj_v4dwt_decode(v4dwt_t* restrict dwt);
 132
 133 static void opj_v4dwt_interleave_h(v4dwt_t* restrict w, OPJ_FLOAT32* restrict a, OPJ_INT32 x, OPJ_INT32 size);
 134
 135 static void opj_v4dwt_interleave_v(v4dwt_t* restrict v , OPJ_FLOAT32* restrict a , OPJ_INT32 x, OPJ_INT32 nb_elts_read);
 136
 137 #ifdef __SSE__
 138 static void opj_v4dwt_decode_step1_sse(v4* w, OPJ_INT32 count, const __m128 c);
 139
 140 static void opj_v4dwt_decode_step2_sse(v4* l, v4* w, OPJ_INT32 k, OPJ_INT32 m, __m128 c);
 141
 142 #else
 143 static void opj_v4dwt_decode_step1(v4* w, OPJ_INT32 count, const OPJ_FLOAT32 c);
 144
 145 static void opj_v4dwt_decode_step2(v4* l, v4* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c);
 146
 147 #endif
 148
 149 /*@}*/
 150
 151 /*@}*/
 152
 153 #define S(i) a[(i)*2]
 154 #define D(i) a[(1+(i)*2)]
 155 #define S_(i) ((i)<0?S(0):((i)>=sn?S(sn-1):S(i)))
 156 #define D_(i) ((i)<0?D(0):((i)>=dn?D(dn-1):D(i)))
 157 /* new */
 158 #define SS_(i) ((i)<0?S(0):((i)>=dn?S(dn-1):S(i)))
 159 #define DD_(i) ((i)<0?D(0):((i)>=sn?D(sn-1):D(i)))
 160
 161 /* <summary>                                                              */
 162 /* This table contains the norms of the 5-3 wavelets for different bands. */
 163 /* </summary>                                                             */
 164 static const OPJ_FLOAT64 opj_dwt_norms[4][10] = {
 165         {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
 166         {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
 167         {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
 168         {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
 169 };
 170
 171 /* <summary>                                                              */
 172 /* This table contains the norms of the 9-7 wavelets for different bands. */
 173 /* </summary>                                                             */
 174 static const OPJ_FLOAT64 opj_dwt_norms_real[4][10] = {
 175         {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
 176         {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
 177         {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
 178         {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
 179 };
 180
 181 /*
 182 ==========================================================
 183    local functions
 184 ==========================================================
 185 */
 186
 187 /* <summary>                                     */
 188 /* Forward lazy transform (horizontal).  */
 189 /* </summary>                            */
 190 void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
 191         OPJ_INT32 i;
 192         OPJ_INT32 * l_dest = b;
 193         OPJ_INT32 * l_src = a+cas;
 194
 195     for (i=0; i<sn; ++i) {
 196                 *l_dest++ = *l_src;
 197                 l_src += 2;
 198         }
 199
 200     l_dest = b + sn;
 201         l_src = a + 1 - cas;
 202
 203     for (i=0; i<dn; ++i)  {
 204                 *l_dest++=*l_src;
 205                 l_src += 2;
 206         }
 207 }
 208
 209 /* <summary>                             */
 210 /* Forward lazy transform (vertical).    */
 211 /* </summary>                            */
 212 void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas) {
 213     OPJ_INT32 i = sn;
 214         OPJ_INT32 * l_dest = b;
 215         OPJ_INT32 * l_src = a+cas;
 216
 217     while (i--) {
 218                 *l_dest = *l_src;
 219                 l_dest += x;
 220                 l_src += 2;
 221                 } /* b[i*x]=a[2*i+cas]; */
 222
 223         l_dest = b + sn * x;
 224         l_src = a + 1 - cas;
 225
 226         i = dn;
 227     while (i--) {
 228                 *l_dest = *l_src;
 229                 l_dest += x;
 230                 l_src += 2;
 231         } /*b[(sn+i)*x]=a[(2*i+1-cas)];*/
 232 }
 233
 234 /* <summary>                             */
 235 /* Inverse lazy transform (horizontal).  */
 236 /* </summary>                            */
 237 void opj_dwt_interleave_h(dwt_t* h, OPJ_INT32 *a) {
 238     OPJ_INT32 *ai = a;
 239     OPJ_INT32 *bi = h->mem + h->cas;
 240     OPJ_INT32  i        = h->sn;
 241     while( i-- ) {
 242       *bi = *(ai++);
 243           bi += 2;
 244     }
 245     ai  = a + h->sn;
 246     bi  = h->mem + 1 - h->cas;
 247     i   = h->dn ;
 248     while( i-- ) {
 249       *bi = *(ai++);
 250           bi += 2;
 251     }
 252 }
 253
 254 /* <summary>                             */
 255 /* Inverse lazy transform (vertical).    */
 256 /* </summary>                            */
 257 void opj_dwt_interleave_v(dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x) {
 258     OPJ_INT32 *ai = a;
 259     OPJ_INT32 *bi = v->mem + v->cas;
 260     OPJ_INT32  i = v->sn;
 261     while( i-- ) {
 262       *bi = *ai;
 263           bi += 2;
 264           ai += x;
 265     }
 266     ai = a + (v->sn * x);
 267     bi = v->mem + 1 - v->cas;
 268     i = v->dn ;
 269     while( i-- ) {
 270       *bi = *ai;
 271           bi += 2;
 272           ai += x;
 273     }
 274 }
 275
 276
 277 /* <summary>                            */
 278 /* Forward 5-3 wavelet transform in 1-D. */
 279 /* </summary>                           */
 280 void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
 281         OPJ_INT32 i;
 282
 283         if (!cas) {
 284                 if ((dn > 0) || (sn > 1)) {     /* NEW :  CASE ONE ELEMENT */
 285                         for (i = 0; i < dn; i++) D(i) -= (S_(i) + S_(i + 1)) >> 1;
 286                         for (i = 0; i < sn; i++) S(i) += (D_(i - 1) + D_(i) + 2) >> 2;
 287                 }
 288         } else {
 289                 if (!sn && dn == 1)                 /* NEW :  CASE ONE ELEMENT */
 290                         S(0) *= 2;
 291                 else {
 292                         for (i = 0; i < dn; i++) S(i) -= (DD_(i) + DD_(i - 1)) >> 1;
 293                         for (i = 0; i < sn; i++) D(i) += (SS_(i) + SS_(i + 1) + 2) >> 2;
 294                 }
 295         }
 296 }
 297
 298 /* <summary>                            */
 299 /* Inverse 5-3 wavelet transform in 1-D. */
 300 /* </summary>                           */
 301 void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
 302         OPJ_INT32 i;
 303
 304         if (!cas) {
 305                 if ((dn > 0) || (sn > 1)) { /* NEW :  CASE ONE ELEMENT */
 306                         for (i = 0; i < sn; i++) S(i) -= (D_(i - 1) + D_(i) + 2) >> 2;
 307                         for (i = 0; i < dn; i++) D(i) += (S_(i) + S_(i + 1)) >> 1;
 308                 }
 309         } else {
 310                 if (!sn  && dn == 1)          /* NEW :  CASE ONE ELEMENT */
 311                         S(0) /= 2;
 312                 else {
 313                         for (i = 0; i < sn; i++) D(i) -= (SS_(i) + SS_(i + 1) + 2) >> 2;
 314                         for (i = 0; i < dn; i++) S(i) += (DD_(i) + DD_(i - 1)) >> 1;
 315                 }
 316         }
 317 }
 318
 319 /* <summary>                            */
 320 /* Inverse 5-3 wavelet transform in 1-D. */
 321 /* </summary>                           */
 322 void opj_dwt_decode_1(dwt_t *v) {
 323         opj_dwt_decode_1_(v->mem, v->dn, v->sn, v->cas);
 324 }
 325
 326 /* <summary>                             */
 327 /* Forward 9-7 wavelet transform in 1-D. */
 328 /* </summary>                            */
 329 void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
 330         OPJ_INT32 i;
 331         if (!cas) {
 332                 if ((dn > 0) || (sn > 1)) {     /* NEW :  CASE ONE ELEMENT */
 333                         for (i = 0; i < dn; i++)
 334                                 D(i) -= fix_mul(S_(i) + S_(i + 1), 12993);
 335                         for (i = 0; i < sn; i++)
 336                                 S(i) -= fix_mul(D_(i - 1) + D_(i), 434);
 337                         for (i = 0; i < dn; i++)
 338                                 D(i) += fix_mul(S_(i) + S_(i + 1), 7233);
 339                         for (i = 0; i < sn; i++)
 340                                 S(i) += fix_mul(D_(i - 1) + D_(i), 3633);
 341                         for (i = 0; i < dn; i++)
 342                                 D(i) = fix_mul(D(i), 5038);     /*5038 */
 343                         for (i = 0; i < sn; i++)
 344                                 S(i) = fix_mul(S(i), 6659);     /*6660 */
 345                 }
 346         } else {
 347                 if ((sn > 0) || (dn > 1)) {     /* NEW :  CASE ONE ELEMENT */
 348                         for (i = 0; i < dn; i++)
 349                                 S(i) -= fix_mul(DD_(i) + DD_(i - 1), 12993);
 350                         for (i = 0; i < sn; i++)
 351                                 D(i) -= fix_mul(SS_(i) + SS_(i + 1), 434);
 352                         for (i = 0; i < dn; i++)
 353                                 S(i) += fix_mul(DD_(i) + DD_(i - 1), 7233);
 354                         for (i = 0; i < sn; i++)
 355                                 D(i) += fix_mul(SS_(i) + SS_(i + 1), 3633);
 356                         for (i = 0; i < dn; i++)
 357                                 S(i) = fix_mul(S(i), 5038);     /*5038 */
 358                         for (i = 0; i < sn; i++)
 359                                 D(i) = fix_mul(D(i), 6659);     /*6660 */
 360                 }
 361         }
 362 }
 363
 364 void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps, opj_stepsize_t *bandno_stepsize) {
 365         OPJ_INT32 p, n;
 366         p = int_floorlog2(stepsize) - 13;
 367         n = 11 - int_floorlog2(stepsize);
 368         bandno_stepsize->mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
 369         bandno_stepsize->expn = numbps - p;
 370 }
 371
 372 /*
 373 ==========================================================
 374    DWT interface
 375 ==========================================================
 376 */
 377
 378
 379 /* <summary>                            */
 380 /* Forward 5-3 wavelet transform in 2-D. */
 381 /* </summary>                           */
 382 INLINE opj_bool opj_dwt_encode_procedure(opj_tcd_tilecomp_v2_t * tilec,void (*p_function)(OPJ_INT32 *, OPJ_INT32,OPJ_INT32,OPJ_INT32) )
 383 {
 384         OPJ_INT32 i, j, k;
 385         OPJ_INT32 *a = 00;
 386         OPJ_INT32 *aj = 00;
 387         OPJ_INT32 *bj = 00;
 388         OPJ_INT32 w, l;
 389
 390         OPJ_INT32 rw;                   /* width of the resolution level computed   */
 391         OPJ_INT32 rh;                   /* height of the resolution level computed  */
 392         OPJ_INT32 l_data_size;
 393
 394         opj_tcd_resolution_v2_t * l_cur_res = 0;
 395         opj_tcd_resolution_v2_t * l_last_res = 0;
 396
 397         w = tilec->x1-tilec->x0;
 398         l = tilec->numresolutions-1;
 399         a = tilec->data;
 400
 401         l_cur_res = tilec->resolutions + l;
 402         l_last_res = l_cur_res - 1;
 403
 404         rw = l_cur_res->x1 - l_cur_res->x0;
 405         rh = l_cur_res->y1 - l_cur_res->y0;
 406
 407         l_data_size = opj_dwt_max_resolution( tilec->resolutions,tilec->numresolutions) * sizeof(OPJ_INT32);
 408         bj = (OPJ_INT32*)opj_malloc(l_data_size);
 409         if (! bj) {
 410                 return OPJ_FALSE;
 411         }
 412         i = l;
 413
 414         while (i--) {
 415                 OPJ_INT32 rw1;          /* width of the resolution level once lower than computed one                                       */
 416                 OPJ_INT32 rh1;          /* height of the resolution level once lower than computed one                                      */
 417                 OPJ_INT32 cas_col;      /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
 418                 OPJ_INT32 cas_row;      /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering   */
 419                 OPJ_INT32 dn, sn;
 420
 421                 rw  = l_cur_res->x1 - l_cur_res->x0;
 422                 rh  = l_cur_res->y1 - l_cur_res->y0;
 423                 rw1 = l_last_res->x1 - l_last_res->x0;
 424                 rh1 = l_last_res->y1 - l_last_res->y0;
 425
 426                 cas_row = l_cur_res->x0 & 1;
 427                 cas_col = l_cur_res->y0 & 1;
 428
 429                 sn = rh1;
 430                 dn = rh - rh1;
 431                 for (j = 0; j < rw; ++j) {
 432                         aj = a + j;
 433                         for (k = 0; k < rh; ++k) {
 434                                 bj[k] = aj[k*w];
 435                         }
 436
 437                         (*p_function) (bj, dn, sn, cas_col);
 438
 439                         opj_dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
 440                 }
 441
 442                 sn = rw1;
 443                 dn = rw - rw1;
 444
 445                 for (j = 0; j < rh; j++) {
 446                         aj = a + j * w;
 447                         for (k = 0; k < rw; k++)  bj[k] = aj[k];
 448                         (*p_function) (bj, dn, sn, cas_row);
 449                         opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
 450                 }
 451
 452                 l_cur_res = l_last_res;
 453
 454                 --l_last_res;
 455         }
 456
 457         opj_free(bj);
 458         return OPJ_TRUE;
 459 }
 460
 461 /* Forward 5-3 wavelet transform in 2-D. */
 462 /* </summary>                           */
 463 opj_bool opj_dwt_encode(opj_tcd_tilecomp_v2_t * tilec)
 464 {
 465         return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1);
 466 }
 467
 468 /* <summary>                            */
 469 /* Inverse 5-3 wavelet transform in 2-D. */
 470 /* </summary>                           */
 471 opj_bool opj_dwt_decode(opj_tcd_tilecomp_v2_t* tilec, OPJ_UINT32 numres) {
 472         return opj_dwt_decode_tile(tilec, numres, &opj_dwt_decode_1);
 473 }
 474
 475
 476 /* <summary>                          */
 477 /* Get gain of 5-3 wavelet transform. */
 478 /* </summary>                         */
 479 OPJ_UINT32 opj_dwt_getgain(OPJ_UINT32 orient) {
 480         if (orient == 0)
 481                 return 0;
 482         if (orient == 1 || orient == 2)
 483                 return 1;
 484         return 2;
 485 }
 486
 487 /* <summary>                */
 488 /* Get norm of 5-3 wavelet. */
 489 /* </summary>               */
 490 double dwt_getnorm(int level, int orient) {
 491         return opj_dwt_norms[orient][level];
 492 }
 493
 494 /* <summary>                */
 495 /* Get norm of 5-3 wavelet. */
 496 /* </summary>               */
 497 OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient) {
 498         return opj_dwt_norms[orient][level];
 499 }
 500
 501 /* <summary>                             */
 502 /* Forward 9-7 wavelet transform in 2-D. */
 503 /* </summary>                            */
 504 opj_bool opj_dwt_encode_real(opj_tcd_tilecomp_v2_t * tilec)
 505 {
 506         return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1_real);
 507 }
 508
 509 /* <summary>                          */
 510 /* Get gain of 9-7 wavelet transform. */
 511 /* </summary>                         */
 512 OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient) {
 513         (void)orient;
 514         return 0;
 515 }
 516
 517 /* <summary>                */
 518 /* Get norm of 9-7 wavelet. */
 519 /* </summary>               */
 520 double dwt_getnorm_real(int level, int orient) {
 521         return opj_dwt_norms_real[orient][level];
 522 }
 523
 524 /* <summary>                */
 525 /* Get norm of 9-7 wavelet. */
 526 /* </summary>               */
 527 OPJ_FLOAT64 opj_dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient) {
 528         return opj_dwt_norms_real[orient][level];
 529 }
 530
 531 void opj_dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, OPJ_UINT32 prec) {
 532         OPJ_UINT32 numbands, bandno;
 533         numbands = 3 * tccp->numresolutions - 2;
 534         for (bandno = 0; bandno < numbands; bandno++) {
 535                 OPJ_FLOAT64 stepsize;
 536                 OPJ_UINT32 resno, level, orient, gain;
 537
 538                 resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1);
 539                 orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1);
 540                 level = tccp->numresolutions - 1 - resno;
 541                 gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) || (orient == 2)) ? 1 : 2));
 542                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
 543                         stepsize = 1.0;
 544                 } else {
 545                         OPJ_FLOAT64 norm = opj_dwt_norms_real[orient][level];
 546                         stepsize = (1 << (gain)) / norm;
 547                 }
 548                 opj_dwt_encode_stepsize((OPJ_INT32) floor(stepsize * 8192.0), prec + gain, &tccp->stepsizes[bandno]);
 549         }
 550 }
 551
 552 #ifdef OPJ_V1
 553 /* <summary>                             */
 554 /* Determine maximum computed resolution level for inverse wavelet transform */
 555 /* </summary>                            */
 556 static int dwt_decode_max_resolution(opj_tcd_resolution_t* restrict r, int i) {
 557         int mr  = 1;
 558         int w;
 559         while( --i ) {
 560                 r++;
 561                 if( mr < ( w = r->x1 - r->x0 ) )
 562                         mr = w ;
 563                 if( mr < ( w = r->y1 - r->y0 ) )
 564                         mr = w ;
 565         }
 566         return mr ;
 567 }
 568 #endif
 569 /* <summary>                             */
 570 /* Determine maximum computed resolution level for inverse wavelet transform */
 571 /* </summary>                            */
 572 static OPJ_UINT32 dwt_max_resolution(opj_tcd_resolution_t* restrict r, OPJ_UINT32 i) {
 573         OPJ_UINT32 mr   = 0;
 574         OPJ_UINT32 w;
 575         while( --i ) {
 576                 ++r;
 577                 if( mr < ( w = r->x1 - r->x0 ) )
 578                         mr = w ;
 579                 if( mr < ( w = r->y1 - r->y0 ) )
 580                         mr = w ;
 581         }
 582         return mr ;
 583 }
 584
 585 /* <summary>                             */
 586 /* Determine maximum computed resolution level for inverse wavelet transform */
 587 /* </summary>                            */
 588 OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_v2_t* restrict r, OPJ_UINT32 i) {
 589         OPJ_UINT32 mr   = 0;
 590         OPJ_UINT32 w;
 591         while( --i ) {
 592                 ++r;
 593                 if( mr < ( w = r->x1 - r->x0 ) )
 594                         mr = w ;
 595                 if( mr < ( w = r->y1 - r->y0 ) )
 596                         mr = w ;
 597         }
 598         return mr ;
 599 }
 600
 601 /* <summary>                            */
 602 /* Inverse wavelet transform in 2-D.     */
 603 /* </summary>                           */
 604 opj_bool opj_dwt_decode_tile(opj_tcd_tilecomp_v2_t* tilec, OPJ_UINT32 numres, DWT1DFN dwt_1D) {
 605         dwt_t h;
 606         dwt_t v;
 607
 608         opj_tcd_resolution_v2_t* tr = tilec->resolutions;
 609
 610         OPJ_UINT32 rw = tr->x1 - tr->x0;        /* width of the resolution level computed */
 611         OPJ_UINT32 rh = tr->y1 - tr->y0;        /* height of the resolution level computed */
 612
 613         OPJ_UINT32 w = tilec->x1 - tilec->x0;
 614
 615         h.mem = (OPJ_INT32*)
 616         opj_aligned_malloc(opj_dwt_max_resolution(tr, numres) * sizeof(OPJ_INT32));
 617         if
 618                 (! h.mem)
 619         {
 620                 return OPJ_FALSE;
 621         }
 622
 623         v.mem = h.mem;
 624
 625         while( --numres) {
 626                 OPJ_INT32 * restrict tiledp = tilec->data;
 627                 OPJ_UINT32 j;
 628
 629                 ++tr;
 630                 h.sn = rw;
 631                 v.sn = rh;
 632
 633                 rw = tr->x1 - tr->x0;
 634                 rh = tr->y1 - tr->y0;
 635
 636                 h.dn = rw - h.sn;
 637                 h.cas = tr->x0 % 2;
 638
 639                 for(j = 0; j < rh; ++j) {
 640                         opj_dwt_interleave_h(&h, &tiledp[j*w]);
 641                         (dwt_1D)(&h);
 642                         memcpy(&tiledp[j*w], h.mem, rw * sizeof(OPJ_INT32));
 643                 }
 644
 645                 v.dn = rh - v.sn;
 646                 v.cas = tr->y0 % 2;
 647
 648                 for(j = 0; j < rw; ++j){
 649                         OPJ_UINT32 k;
 650                         opj_dwt_interleave_v(&v, &tiledp[j], w);
 651                         (dwt_1D)(&v);
 652                         for(k = 0; k < rh; ++k) {
 653                                 tiledp[k * w + j] = v.mem[k];
 654                         }
 655                 }
 656         }
 657         opj_aligned_free(h.mem);
 658         return OPJ_TRUE;
 659 }
 660
 661 void opj_v4dwt_interleave_h(v4dwt_t* restrict w, OPJ_FLOAT32* restrict a, OPJ_INT32 x, OPJ_INT32 size){
 662         OPJ_FLOAT32* restrict bi = (OPJ_FLOAT32*) (w->wavelet + w->cas);
 663         OPJ_INT32 count = w->sn;
 664         OPJ_INT32 i, k;
 665
 666         for(k = 0; k < 2; ++k){
 667                 if ( count + 3 * x < size && ((size_t) a & 0x0f) == 0 && ((size_t) bi & 0x0f) == 0 && (x & 0x0f) == 0 ) {
 668                         /* Fast code path */
 669                         for(i = 0; i < count; ++i){
 670                                 OPJ_INT32 j = i;
 671                                 bi[i*8    ] = a[j];
 672                                 j += x;
 673                                 bi[i*8 + 1] = a[j];
 674                                 j += x;
 675                                 bi[i*8 + 2] = a[j];
 676                                 j += x;
 677                                 bi[i*8 + 3] = a[j];
 678                         }
 679                 }
 680                 else {
 681                         /* Slow code path */
 682                         for(i = 0; i < count; ++i){
 683                                 OPJ_INT32 j = i;
 684                                 bi[i*8    ] = a[j];
 685                                 j += x;
 686                                 if(j >= size) continue;
 687                                 bi[i*8 + 1] = a[j];
 688                                 j += x;
 689                                 if(j >= size) continue;
 690                                 bi[i*8 + 2] = a[j];
 691                                 j += x;
 692                                 if(j >= size) continue;
 693                                 bi[i*8 + 3] = a[j]; /* This one*/
 694                         }
 695                 }
 696
 697                 bi = (float*) (w->wavelet + 1 - w->cas);
 698                 a += w->sn;
 699                 size -= w->sn;
 700                 count = w->dn;
 701         }
 702 }
 703
 704 void opj_v4dwt_interleave_v(v4dwt_t* restrict v , OPJ_FLOAT32* restrict a , OPJ_INT32 x, OPJ_INT32 nb_elts_read){
 705         v4* restrict bi = v->wavelet + v->cas;
 706         OPJ_INT32 i;
 707
 708         for(i = 0; i < v->sn; ++i){
 709                 memcpy(&bi[i*2], &a[i*x], nb_elts_read * sizeof(OPJ_FLOAT32));
 710         }
 711
 712         a += v->sn * x;
 713         bi = v->wavelet + 1 - v->cas;
 714
 715         for(i = 0; i < v->dn; ++i){
 716                 memcpy(&bi[i*2], &a[i*x], nb_elts_read * sizeof(OPJ_FLOAT32));
 717         }
 718 }
 719
 720 #ifdef __SSE__
 721
 722 void opj_v4dwt_decode_step1_sse(v4* w, int count, const __m128 c){
 723         __m128* restrict vw = (__m128*) w;
 724         OPJ_INT32 i;
 725         /* 4x unrolled loop */
 726         for(i = 0; i < count >> 2; ++i){
 727                 *vw = _mm_mul_ps(*vw, c);
 728                 vw += 2;
 729                 *vw = _mm_mul_ps(*vw, c);
 730                 vw += 2;
 731                 *vw = _mm_mul_ps(*vw, c);
 732                 vw += 2;
 733                 *vw = _mm_mul_ps(*vw, c);
 734                 vw += 2;
 735         }
 736         count &= 3;
 737         for(i = 0; i < count; ++i){
 738                 *vw = _mm_mul_ps(*vw, c);
 739                 vw += 2;
 740         }
 741 }
 742
 743 void opj_v4dwt_decode_step2_sse(v4* l, v4* w, int k, int m, __m128 c){
 744         __m128* restrict vl = (__m128*) l;
 745         __m128* restrict vw = (__m128*) w;
 746         int i;
 747         __m128 tmp1, tmp2, tmp3;
 748         tmp1 = vl[0];
 749         for(i = 0; i < m; ++i){
 750                 tmp2 = vw[-1];
 751                 tmp3 = vw[ 0];
 752                 vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c));
 753                 tmp1 = tmp3;
 754                 vw += 2;
 755         }
 756         vl = vw - 2;
 757         if(m >= k){
 758                 return;
 759         }
 760         c = _mm_add_ps(c, c);
 761         c = _mm_mul_ps(c, vl[0]);
 762         for(; m < k; ++m){
 763                 __m128 tmp = vw[-1];
 764                 vw[-1] = _mm_add_ps(tmp, c);
 765                 vw += 2;
 766         }
 767 }
 768
 769 #else
 770
 771 void opj_v4dwt_decode_step1(v4* w, OPJ_INT32 count, const OPJ_FLOAT32 c)
 772 {
 773         OPJ_FLOAT32* restrict fw = (OPJ_FLOAT32*) w;
 774         OPJ_INT32 i;
 775         for(i = 0; i < count; ++i){
 776                 OPJ_FLOAT32 tmp1 = fw[i*8    ];
 777                 OPJ_FLOAT32 tmp2 = fw[i*8 + 1];
 778                 OPJ_FLOAT32 tmp3 = fw[i*8 + 2];
 779                 OPJ_FLOAT32 tmp4 = fw[i*8 + 3];
 780                 fw[i*8    ] = tmp1 * c;
 781                 fw[i*8 + 1] = tmp2 * c;
 782                 fw[i*8 + 2] = tmp3 * c;
 783                 fw[i*8 + 3] = tmp4 * c;
 784         }
 785 }
 786
 787 void opj_v4dwt_decode_step2(v4* l, v4* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c)
 788 {
 789         OPJ_FLOAT32* restrict fl = (OPJ_FLOAT32*) l;
 790         OPJ_FLOAT32* restrict fw = (OPJ_FLOAT32*) w;
 791         int i;
 792         for(i = 0; i < m; ++i){
 793                 OPJ_FLOAT32 tmp1_1 = fl[0];
 794                 OPJ_FLOAT32 tmp1_2 = fl[1];
 795                 OPJ_FLOAT32 tmp1_3 = fl[2];
 796                 OPJ_FLOAT32 tmp1_4 = fl[3];
 797                 OPJ_FLOAT32 tmp2_1 = fw[-4];
 798                 OPJ_FLOAT32 tmp2_2 = fw[-3];
 799                 OPJ_FLOAT32 tmp2_3 = fw[-2];
 800                 OPJ_FLOAT32 tmp2_4 = fw[-1];
 801                 OPJ_FLOAT32 tmp3_1 = fw[0];
 802                 OPJ_FLOAT32 tmp3_2 = fw[1];
 803                 OPJ_FLOAT32 tmp3_3 = fw[2];
 804                 OPJ_FLOAT32 tmp3_4 = fw[3];
 805                 fw[-4] = tmp2_1 + ((tmp1_1 + tmp3_1) * c);
 806                 fw[-3] = tmp2_2 + ((tmp1_2 + tmp3_2) * c);
 807                 fw[-2] = tmp2_3 + ((tmp1_3 + tmp3_3) * c);
 808                 fw[-1] = tmp2_4 + ((tmp1_4 + tmp3_4) * c);
 809                 fl = fw;
 810                 fw += 8;
 811         }
 812         if(m < k){
 813                 OPJ_FLOAT32 c1;
 814                 OPJ_FLOAT32 c2;
 815                 OPJ_FLOAT32 c3;
 816                 OPJ_FLOAT32 c4;
 817                 c += c;
 818                 c1 = fl[0] * c;
 819                 c2 = fl[1] * c;
 820                 c3 = fl[2] * c;
 821                 c4 = fl[3] * c;
 822                 for(; m < k; ++m){
 823                         OPJ_FLOAT32 tmp1 = fw[-4];
 824                         OPJ_FLOAT32 tmp2 = fw[-3];
 825                         OPJ_FLOAT32 tmp3 = fw[-2];
 826                         OPJ_FLOAT32 tmp4 = fw[-1];
 827                         fw[-4] = tmp1 + c1;
 828                         fw[-3] = tmp2 + c2;
 829                         fw[-2] = tmp3 + c3;
 830                         fw[-1] = tmp4 + c4;
 831                         fw += 8;
 832                 }
 833         }
 834 }
 835
 836 #endif
 837
 838 /* <summary>                             */
 839 /* Inverse 9-7 wavelet transform in 1-D. */
 840 /* </summary>                            */
 841 void opj_v4dwt_decode(v4dwt_t* restrict dwt)
 842 {
 843         int a, b;
 844         if(dwt->cas == 0) {
 845                 if(!((dwt->dn > 0) || (dwt->sn > 1))){
 846                         return;
 847                 }
 848                 a = 0;
 849                 b = 1;
 850         }else{
 851                 if(!((dwt->sn > 0) || (dwt->dn > 1))) {
 852                         return;
 853                 }
 854                 a = 1;
 855                 b = 0;
 856         }
 857 #ifdef __SSE__
 858         opj_v4dwt_decode_step1_sse(dwt->wavelet+a, dwt->sn, _mm_set1_ps(opj_K));
 859         opj_v4dwt_decode_step1_sse(dwt->wavelet+b, dwt->dn, _mm_set1_ps(opj_c13318));
 860         opj_v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(opj_dwt_delta));
 861         opj_v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(opj_dwt_gamma));
 862         opj_v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(opj_dwt_beta));
 863         opj_v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(opj_dwt_alpha));
 864 #else
 865         opj_v4dwt_decode_step1(dwt->wavelet+a, dwt->sn, opj_K);
 866         opj_v4dwt_decode_step1(dwt->wavelet+b, dwt->dn, opj_c13318);
 867         opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), opj_dwt_delta);
 868         opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), opj_dwt_gamma);
 869         opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), opj_dwt_beta);
 870         opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), opj_dwt_alpha);
 871 #endif
 872 }
 873
 874
 875 /* KEEP TRUNK VERSION + return type of v2 because rev557 */
 876 /* <summary>                             */
 877 /* Inverse 9-7 wavelet transform in 2-D. */
 878 /* </summary>                            */
 879 /* V1 void dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, int numres){ */
 880 opj_bool dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, int numres)
 881 {
 882         v4dwt_t h;
 883         v4dwt_t v;
 884
 885         opj_tcd_resolution_t* res = tilec->resolutions;
 886
 887         int rw = res->x1 - res->x0;     /* width of the resolution level computed */
 888         int rh = res->y1 - res->y0;     /* height of the resolution level computed */
 889
 890         int w = tilec->x1 - tilec->x0;
 891
 892         h.wavelet = (v4*) opj_aligned_malloc((dwt_max_resolution(res, numres)+5) * sizeof(v4));
 893         v.wavelet = h.wavelet;
 894
 895         while( --numres) {
 896                 float * restrict aj = (float*) tilec->data;
 897                 int bufsize = (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0);
 898                 int j;
 899
 900                 h.sn = rw;
 901                 v.sn = rh;
 902
 903                 ++res;
 904
 905                 rw = res->x1 - res->x0; /* width of the resolution level computed */
 906                 rh = res->y1 - res->y0; /* height of the resolution level computed */
 907
 908                 h.dn = rw - h.sn;
 909                 h.cas = res->x0 % 2;
 910
 911                 for(j = rh; j > 3; j -= 4){
 912                         int k;
 913                         opj_v4dwt_interleave_h(&h, aj, w, bufsize);
 914                         opj_v4dwt_decode(&h);
 915                                 for(k = rw; --k >= 0;){
 916                                         aj[k    ] = h.wavelet[k].f[0];
 917                                         aj[k+w  ] = h.wavelet[k].f[1];
 918                                         aj[k+w*2] = h.wavelet[k].f[2];
 919                                         aj[k+w*3] = h.wavelet[k].f[3];
 920                                 }
 921                         aj += w*4;
 922                         bufsize -= w*4;
 923                 }
 924                 if (rh & 0x03) {
 925                                 int k;
 926                         j = rh & 0x03;
 927                         opj_v4dwt_interleave_h(&h, aj, w, bufsize);
 928                         opj_v4dwt_decode(&h);
 929                                 for(k = rw; --k >= 0;){
 930                                         switch(j) {
 931                                                 case 3: aj[k+w*2] = h.wavelet[k].f[2];
 932                                                 case 2: aj[k+w  ] = h.wavelet[k].f[1];
 933                                                 case 1: aj[k    ] = h.wavelet[k].f[0];
 934                                         }
 935                                 }
 936                         }
 937
 938                 v.dn = rh - v.sn;
 939                 v.cas = res->y0 % 2;
 940
 941                 aj = (float*) tilec->data;
 942                 for(j = rw; j > 3; j -= 4){
 943                         int k;
 944                         opj_v4dwt_interleave_v(&v, aj, w, 4);
 945                         opj_v4dwt_decode(&v);
 946                                 for(k = 0; k < rh; ++k){
 947                                         memcpy(&aj[k*w], &v.wavelet[k], 4 * sizeof(float));
 948                                 }
 949                         aj += 4;
 950                 }
 951                 if (rw & 0x03){
 952                                 int k;
 953                         j = rw & 0x03;
 954                         opj_v4dwt_interleave_v(&v, aj, w, j);
 955                         opj_v4dwt_decode(&v);
 956                                 for(k = 0; k < rh; ++k){
 957                                         memcpy(&aj[k*w], &v.wavelet[k], j * sizeof(float));
 958                                 }
 959                         }
 960         }
 961
 962         opj_aligned_free(h.wavelet);
 963         return OPJ_TRUE;
 964 }
 965
 966
 967 /* <summary>                             */
 968 /* Inverse 9-7 wavelet transform in 2-D. */
 969 /* </summary>                            */
 970 opj_bool dwt_decode_real_v2(opj_tcd_tilecomp_v2_t* restrict tilec, OPJ_UINT32 numres)
 971 {
 972         v4dwt_t h;
 973         v4dwt_t v;
 974
 975         opj_tcd_resolution_v2_t* res = tilec->resolutions;
 976
 977         OPJ_UINT32 rw = res->x1 - res->x0;      /* width of the resolution level computed */
 978         OPJ_UINT32 rh = res->y1 - res->y0;      /* height of the resolution level computed */
 979
 980         OPJ_UINT32 w = tilec->x1 - tilec->x0;
 981
 982         h.wavelet = (v4*) opj_aligned_malloc((opj_dwt_max_resolution(res, numres)+5) * sizeof(v4));
 983         v.wavelet = h.wavelet;
 984
 985         while( --numres) {
 986                 OPJ_FLOAT32 * restrict aj = (OPJ_FLOAT32*) tilec->data;
 987                 OPJ_UINT32 bufsize = (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0);
 988                 OPJ_INT32 j;
 989
 990                 h.sn = rw;
 991                 v.sn = rh;
 992
 993                 ++res;
 994
 995                 rw = res->x1 - res->x0; /* width of the resolution level computed */
 996                 rh = res->y1 - res->y0; /* height of the resolution level computed */
 997
 998                 h.dn = rw - h.sn;
 999                 h.cas = res->x0 % 2;
1000
1001                 for(j = rh; j > 3; j -= 4) {
1002                         OPJ_INT32 k;
1003                         opj_v4dwt_interleave_h(&h, aj, w, bufsize);
1004                         opj_v4dwt_decode(&h);
1005
1006                         for(k = rw; --k >= 0;){
1007                                 aj[k    ] = h.wavelet[k].f[0];
1008                                 aj[k+w  ] = h.wavelet[k].f[1];
1009                                 aj[k+w*2] = h.wavelet[k].f[2];
1010                                 aj[k+w*3] = h.wavelet[k].f[3];
1011                         }
1012
1013                         aj += w*4;
1014                         bufsize -= w*4;
1015                 }
1016
1017                 if (rh & 0x03) {
1018                         OPJ_INT32 k;
1019                         j = rh & 0x03;
1020                         opj_v4dwt_interleave_h(&h, aj, w, bufsize);
1021                         opj_v4dwt_decode(&h);
1022                         for(k = rw; --k >= 0;){
1023                                 switch(j) {
1024                                         case 3: aj[k+w*2] = h.wavelet[k].f[2];
1025                                         case 2: aj[k+w  ] = h.wavelet[k].f[1];
1026                                         case 1: aj[k    ] = h.wavelet[k].f[0];
1027                                 }
1028                         }
1029                 }
1030
1031                 v.dn = rh - v.sn;
1032                 v.cas = res->y0 % 2;
1033
1034                 aj = (OPJ_FLOAT32*) tilec->data;
1035                 for(j = rw; j > 3; j -= 4){
1036                         OPJ_UINT32 k;
1037
1038                         opj_v4dwt_interleave_v(&v, aj, w, 4);
1039                         opj_v4dwt_decode(&v);
1040
1041                         for(k = 0; k < rh; ++k){
1042                                 memcpy(&aj[k*w], &v.wavelet[k], 4 * sizeof(OPJ_FLOAT32));
1043                         }
1044                         aj += 4;
1045                 }
1046
1047                 if (rw & 0x03){
1048                         OPJ_UINT32 k;
1049
1050                         j = rw & 0x03;
1051
1052                         opj_v4dwt_interleave_v(&v, aj, w, j);
1053                         opj_v4dwt_decode(&v);
1054
1055                         for(k = 0; k < rh; ++k){
1056                                 memcpy(&aj[k*w], &v.wavelet[k], j * sizeof(OPJ_FLOAT32));
1057                         }
1058                 }
1059         }
1060
1061         opj_aligned_free(h.wavelet);
1062         return OPJ_TRUE;
1063 }