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comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/mct.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
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.
6 *
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) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
15 * Copyright (c) 2012, CS Systemes d'Information, France
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
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.
26 *
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.
38 */
39
40 #ifdef __SSE__
41 #include <xmmintrin.h>
42 #endif
43 #ifdef __SSE2__
44 #include <emmintrin.h>
45 #endif
46 #ifdef __SSE4_1__
47 #include <smmintrin.h>
48 #endif
49
50 #include "opj_includes.h"
51
52 /* <summary> */
53 /* This table contains the norms of the basis function of the reversible MCT. */
54 /* </summary> */
55 static const OPJ_FLOAT64 opj_mct_norms[3] = { 1.732, .8292, .8292 };
56
57 /* <summary> */
58 /* This table contains the norms of the basis function of the irreversible MCT. */
59 /* </summary> */
60 static const OPJ_FLOAT64 opj_mct_norms_real[3] = { 1.732, 1.805, 1.573 };
61
62 const OPJ_FLOAT64 * opj_mct_get_mct_norms()
63 {
64 return opj_mct_norms;
65 }
66
67 const OPJ_FLOAT64 * opj_mct_get_mct_norms_real()
68 {
69 return opj_mct_norms_real;
70 }
71
72 /* <summary> */
73 /* Forward reversible MCT. */
74 /* </summary> */
75 #ifdef __SSE2__
76 void opj_mct_encode(
77 OPJ_INT32* OPJ_RESTRICT c0,
78 OPJ_INT32* OPJ_RESTRICT c1,
79 OPJ_INT32* OPJ_RESTRICT c2,
80 OPJ_SIZE_T n)
81 {
82 OPJ_SIZE_T i;
83 const OPJ_SIZE_T len = n;
84 /* buffer are aligned on 16 bytes */
85 assert(((size_t)c0 & 0xf) == 0);
86 assert(((size_t)c1 & 0xf) == 0);
87 assert(((size_t)c2 & 0xf) == 0);
88
89 for (i = 0; i < (len & ~3U); i += 4) {
90 __m128i y, u, v;
91 __m128i r = _mm_load_si128((const __m128i *) & (c0[i]));
92 __m128i g = _mm_load_si128((const __m128i *) & (c1[i]));
93 __m128i b = _mm_load_si128((const __m128i *) & (c2[i]));
94 y = _mm_add_epi32(g, g);
95 y = _mm_add_epi32(y, b);
96 y = _mm_add_epi32(y, r);
97 y = _mm_srai_epi32(y, 2);
98 u = _mm_sub_epi32(b, g);
99 v = _mm_sub_epi32(r, g);
100 _mm_store_si128((__m128i *) & (c0[i]), y);
101 _mm_store_si128((__m128i *) & (c1[i]), u);
102 _mm_store_si128((__m128i *) & (c2[i]), v);
103 }
104
105 for (; i < len; ++i) {
106 OPJ_INT32 r = c0[i];
107 OPJ_INT32 g = c1[i];
108 OPJ_INT32 b = c2[i];
109 OPJ_INT32 y = (r + (g * 2) + b) >> 2;
110 OPJ_INT32 u = b - g;
111 OPJ_INT32 v = r - g;
112 c0[i] = y;
113 c1[i] = u;
114 c2[i] = v;
115 }
116 }
117 #else
118 void opj_mct_encode(
119 OPJ_INT32* OPJ_RESTRICT c0,
120 OPJ_INT32* OPJ_RESTRICT c1,
121 OPJ_INT32* OPJ_RESTRICT c2,
122 OPJ_SIZE_T n)
123 {
124 OPJ_SIZE_T i;
125 const OPJ_SIZE_T len = n;
126
127 for (i = 0; i < len; ++i) {
128 OPJ_INT32 r = c0[i];
129 OPJ_INT32 g = c1[i];
130 OPJ_INT32 b = c2[i];
131 OPJ_INT32 y = (r + (g * 2) + b) >> 2;
132 OPJ_INT32 u = b - g;
133 OPJ_INT32 v = r - g;
134 c0[i] = y;
135 c1[i] = u;
136 c2[i] = v;
137 }
138 }
139 #endif
140
141 /* <summary> */
142 /* Inverse reversible MCT. */
143 /* </summary> */
144 #ifdef __SSE2__
145 void opj_mct_decode(
146 OPJ_INT32* OPJ_RESTRICT c0,
147 OPJ_INT32* OPJ_RESTRICT c1,
148 OPJ_INT32* OPJ_RESTRICT c2,
149 OPJ_SIZE_T n)
150 {
151 OPJ_SIZE_T i;
152 const OPJ_SIZE_T len = n;
153
154 for (i = 0; i < (len & ~3U); i += 4) {
155 __m128i r, g, b;
156 __m128i y = _mm_load_si128((const __m128i *) & (c0[i]));
157 __m128i u = _mm_load_si128((const __m128i *) & (c1[i]));
158 __m128i v = _mm_load_si128((const __m128i *) & (c2[i]));
159 g = y;
160 g = _mm_sub_epi32(g, _mm_srai_epi32(_mm_add_epi32(u, v), 2));
161 r = _mm_add_epi32(v, g);
162 b = _mm_add_epi32(u, g);
163 _mm_store_si128((__m128i *) & (c0[i]), r);
164 _mm_store_si128((__m128i *) & (c1[i]), g);
165 _mm_store_si128((__m128i *) & (c2[i]), b);
166 }
167 for (; i < len; ++i) {
168 OPJ_INT32 y = c0[i];
169 OPJ_INT32 u = c1[i];
170 OPJ_INT32 v = c2[i];
171 OPJ_INT32 g = y - ((u + v) >> 2);
172 OPJ_INT32 r = v + g;
173 OPJ_INT32 b = u + g;
174 c0[i] = r;
175 c1[i] = g;
176 c2[i] = b;
177 }
178 }
179 #else
180 void opj_mct_decode(
181 OPJ_INT32* OPJ_RESTRICT c0,
182 OPJ_INT32* OPJ_RESTRICT c1,
183 OPJ_INT32* OPJ_RESTRICT c2,
184 OPJ_SIZE_T n)
185 {
186 OPJ_SIZE_T i;
187 for (i = 0; i < n; ++i) {
188 OPJ_INT32 y = c0[i];
189 OPJ_INT32 u = c1[i];
190 OPJ_INT32 v = c2[i];
191 OPJ_INT32 g = y - ((u + v) >> 2);
192 OPJ_INT32 r = v + g;
193 OPJ_INT32 b = u + g;
194 c0[i] = r;
195 c1[i] = g;
196 c2[i] = b;
197 }
198 }
199 #endif
200
201 /* <summary> */
202 /* Get norm of basis function of reversible MCT. */
203 /* </summary> */
204 OPJ_FLOAT64 opj_mct_getnorm(OPJ_UINT32 compno)
205 {
206 return opj_mct_norms[compno];
207 }
208
209 /* <summary> */
210 /* Forward irreversible MCT. */
211 /* </summary> */
212 void opj_mct_encode_real(
213 OPJ_FLOAT32* OPJ_RESTRICT c0,
214 OPJ_FLOAT32* OPJ_RESTRICT c1,
215 OPJ_FLOAT32* OPJ_RESTRICT c2,
216 OPJ_SIZE_T n)
217 {
218 OPJ_SIZE_T i;
219 #ifdef __SSE__
220 const __m128 YR = _mm_set1_ps(0.299f);
221 const __m128 YG = _mm_set1_ps(0.587f);
222 const __m128 YB = _mm_set1_ps(0.114f);
223 const __m128 UR = _mm_set1_ps(-0.16875f);
224 const __m128 UG = _mm_set1_ps(-0.331260f);
225 const __m128 UB = _mm_set1_ps(0.5f);
226 const __m128 VR = _mm_set1_ps(0.5f);
227 const __m128 VG = _mm_set1_ps(-0.41869f);
228 const __m128 VB = _mm_set1_ps(-0.08131f);
229 for (i = 0; i < (n >> 3); i ++) {
230 __m128 r, g, b, y, u, v;
231
232 r = _mm_load_ps(c0);
233 g = _mm_load_ps(c1);
234 b = _mm_load_ps(c2);
235 y = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, YR), _mm_mul_ps(g, YG)),
236 _mm_mul_ps(b, YB));
237 u = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, UR), _mm_mul_ps(g, UG)),
238 _mm_mul_ps(b, UB));
239 v = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, VR), _mm_mul_ps(g, VG)),
240 _mm_mul_ps(b, VB));
241 _mm_store_ps(c0, y);
242 _mm_store_ps(c1, u);
243 _mm_store_ps(c2, v);
244 c0 += 4;
245 c1 += 4;
246 c2 += 4;
247
248 r = _mm_load_ps(c0);
249 g = _mm_load_ps(c1);
250 b = _mm_load_ps(c2);
251 y = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, YR), _mm_mul_ps(g, YG)),
252 _mm_mul_ps(b, YB));
253 u = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, UR), _mm_mul_ps(g, UG)),
254 _mm_mul_ps(b, UB));
255 v = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, VR), _mm_mul_ps(g, VG)),
256 _mm_mul_ps(b, VB));
257 _mm_store_ps(c0, y);
258 _mm_store_ps(c1, u);
259 _mm_store_ps(c2, v);
260 c0 += 4;
261 c1 += 4;
262 c2 += 4;
263 }
264 n &= 7;
265 #endif
266 for (i = 0; i < n; ++i) {
267 OPJ_FLOAT32 r = c0[i];
268 OPJ_FLOAT32 g = c1[i];
269 OPJ_FLOAT32 b = c2[i];
270 OPJ_FLOAT32 y = 0.299f * r + 0.587f * g + 0.114f * b;
271 OPJ_FLOAT32 u = -0.16875f * r - 0.331260f * g + 0.5f * b;
272 OPJ_FLOAT32 v = 0.5f * r - 0.41869f * g - 0.08131f * b;
273 c0[i] = y;
274 c1[i] = u;
275 c2[i] = v;
276 }
277 }
278
279 /* <summary> */
280 /* Inverse irreversible MCT. */
281 /* </summary> */
282 void opj_mct_decode_real(
283 OPJ_FLOAT32* OPJ_RESTRICT c0,
284 OPJ_FLOAT32* OPJ_RESTRICT c1,
285 OPJ_FLOAT32* OPJ_RESTRICT c2,
286 OPJ_SIZE_T n)
287 {
288 OPJ_SIZE_T i;
289 #ifdef __SSE__
290 __m128 vrv, vgu, vgv, vbu;
291 vrv = _mm_set1_ps(1.402f);
292 vgu = _mm_set1_ps(0.34413f);
293 vgv = _mm_set1_ps(0.71414f);
294 vbu = _mm_set1_ps(1.772f);
295 for (i = 0; i < (n >> 3); ++i) {
296 __m128 vy, vu, vv;
297 __m128 vr, vg, vb;
298
299 vy = _mm_load_ps(c0);
300 vu = _mm_load_ps(c1);
301 vv = _mm_load_ps(c2);
302 vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv));
303 vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv));
304 vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu));
305 _mm_store_ps(c0, vr);
306 _mm_store_ps(c1, vg);
307 _mm_store_ps(c2, vb);
308 c0 += 4;
309 c1 += 4;
310 c2 += 4;
311
312 vy = _mm_load_ps(c0);
313 vu = _mm_load_ps(c1);
314 vv = _mm_load_ps(c2);
315 vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv));
316 vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv));
317 vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu));
318 _mm_store_ps(c0, vr);
319 _mm_store_ps(c1, vg);
320 _mm_store_ps(c2, vb);
321 c0 += 4;
322 c1 += 4;
323 c2 += 4;
324 }
325 n &= 7;
326 #endif
327 for (i = 0; i < n; ++i) {
328 OPJ_FLOAT32 y = c0[i];
329 OPJ_FLOAT32 u = c1[i];
330 OPJ_FLOAT32 v = c2[i];
331 OPJ_FLOAT32 r = y + (v * 1.402f);
332 OPJ_FLOAT32 g = y - (u * 0.34413f) - (v * (0.71414f));
333 OPJ_FLOAT32 b = y + (u * 1.772f);
334 c0[i] = r;
335 c1[i] = g;
336 c2[i] = b;
337 }
338 }
339
340 /* <summary> */
341 /* Get norm of basis function of irreversible MCT. */
342 /* </summary> */
343 OPJ_FLOAT64 opj_mct_getnorm_real(OPJ_UINT32 compno)
344 {
345 return opj_mct_norms_real[compno];
346 }
347
348
349 OPJ_BOOL opj_mct_encode_custom(
350 OPJ_BYTE * pCodingdata,
351 OPJ_SIZE_T n,
352 OPJ_BYTE ** pData,
353 OPJ_UINT32 pNbComp,
354 OPJ_UINT32 isSigned)
355 {
356 OPJ_FLOAT32 * lMct = (OPJ_FLOAT32 *) pCodingdata;
357 OPJ_SIZE_T i;
358 OPJ_UINT32 j;
359 OPJ_UINT32 k;
360 OPJ_UINT32 lNbMatCoeff = pNbComp * pNbComp;
361 OPJ_INT32 * lCurrentData = 00;
362 OPJ_INT32 * lCurrentMatrix = 00;
363 OPJ_INT32 ** lData = (OPJ_INT32 **) pData;
364 OPJ_UINT32 lMultiplicator = 1 << 13;
365 OPJ_INT32 * lMctPtr;
366
367 OPJ_ARG_NOT_USED(isSigned);
368
369 lCurrentData = (OPJ_INT32 *) opj_malloc((pNbComp + lNbMatCoeff) * sizeof(
370 OPJ_INT32));
371 if (! lCurrentData) {
372 return OPJ_FALSE;
373 }
374
375 lCurrentMatrix = lCurrentData + pNbComp;
376
377 for (i = 0; i < lNbMatCoeff; ++i) {
378 lCurrentMatrix[i] = (OPJ_INT32)(*(lMct++) * (OPJ_FLOAT32)lMultiplicator);
379 }
380
381 for (i = 0; i < n; ++i) {
382 lMctPtr = lCurrentMatrix;
383 for (j = 0; j < pNbComp; ++j) {
384 lCurrentData[j] = (*(lData[j]));
385 }
386
387 for (j = 0; j < pNbComp; ++j) {
388 *(lData[j]) = 0;
389 for (k = 0; k < pNbComp; ++k) {
390 *(lData[j]) += opj_int_fix_mul(*lMctPtr, lCurrentData[k]);
391 ++lMctPtr;
392 }
393
394 ++lData[j];
395 }
396 }
397
398 opj_free(lCurrentData);
399
400 return OPJ_TRUE;
401 }
402
403 OPJ_BOOL opj_mct_decode_custom(
404 OPJ_BYTE * pDecodingData,
405 OPJ_SIZE_T n,
406 OPJ_BYTE ** pData,
407 OPJ_UINT32 pNbComp,
408 OPJ_UINT32 isSigned)
409 {
410 OPJ_FLOAT32 * lMct;
411 OPJ_SIZE_T i;
412 OPJ_UINT32 j;
413 OPJ_UINT32 k;
414
415 OPJ_FLOAT32 * lCurrentData = 00;
416 OPJ_FLOAT32 * lCurrentResult = 00;
417 OPJ_FLOAT32 ** lData = (OPJ_FLOAT32 **) pData;
418
419 OPJ_ARG_NOT_USED(isSigned);
420
421 lCurrentData = (OPJ_FLOAT32 *) opj_malloc(2 * pNbComp * sizeof(OPJ_FLOAT32));
422 if (! lCurrentData) {
423 return OPJ_FALSE;
424 }
425 lCurrentResult = lCurrentData + pNbComp;
426
427 for (i = 0; i < n; ++i) {
428 lMct = (OPJ_FLOAT32 *) pDecodingData;
429 for (j = 0; j < pNbComp; ++j) {
430 lCurrentData[j] = (OPJ_FLOAT32)(*(lData[j]));
431 }
432 for (j = 0; j < pNbComp; ++j) {
433 lCurrentResult[j] = 0;
434 for (k = 0; k < pNbComp; ++k) {
435 lCurrentResult[j] += *(lMct++) * lCurrentData[k];
436 }
437 *(lData[j]++) = (OPJ_FLOAT32)(lCurrentResult[j]);
438 }
439 }
440 opj_free(lCurrentData);
441 return OPJ_TRUE;
442 }
443
444 void opj_calculate_norms(OPJ_FLOAT64 * pNorms,
445 OPJ_UINT32 pNbComps,
446 OPJ_FLOAT32 * pMatrix)
447 {
448 OPJ_UINT32 i, j, lIndex;
449 OPJ_FLOAT32 lCurrentValue;
450 OPJ_FLOAT64 * lNorms = (OPJ_FLOAT64 *) pNorms;
451 OPJ_FLOAT32 * lMatrix = (OPJ_FLOAT32 *) pMatrix;
452
453 for (i = 0; i < pNbComps; ++i) {
454 lNorms[i] = 0;
455 lIndex = i;
456
457 for (j = 0; j < pNbComps; ++j) {
458 lCurrentValue = lMatrix[lIndex];
459 lIndex += pNbComps;
460 lNorms[i] += (OPJ_FLOAT64) lCurrentValue * lCurrentValue;
461 }
462 lNorms[i] = sqrt(lNorms[i]);
463 }
464 }