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) 2007, Callum Lerwick <seg@haxxed.com>
15 * Copyright (c) 2012, Carl Hetherington
16 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
17 * All rights reserved.
18 *
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
21 * are met:
22 * 1. Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #define OPJ_SKIP_POISON
42 #include "opj_includes.h"
43
44 #ifdef __SSE__
45 #include <xmmintrin.h>
46 #endif
47 #ifdef __SSE2__
48 #include <emmintrin.h>
49 #endif
50
51 #if defined(__GNUC__)
52 #pragma GCC poison malloc calloc realloc free
53 #endif
54
55 #include "t1_luts.h"
56
57 /** @defgroup T1 T1 - Implementation of the tier-1 coding */
58 /*@{*/
59
60 #define T1_FLAGS(x, y) (t1->flags[x + 1 + ((y / 4) + 1) * (t1->w+2)])
61
62 #define opj_t1_setcurctx(curctx, ctxno) curctx = &(mqc)->ctxs[(OPJ_UINT32)(ctxno)]
63
64 /** @name Local static functions */
65 /*@{*/
66
67 static INLINE OPJ_BYTE opj_t1_getctxno_zc(opj_mqc_t *mqc, OPJ_UINT32 f);
68 static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f);
69 static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos);
70 static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos);
71 static INLINE void opj_t1_update_flags(opj_flag_t *flagsp, OPJ_UINT32 ci,
72 OPJ_UINT32 s, OPJ_UINT32 stride,
73 OPJ_UINT32 vsc);
74
75
76 /**
77 Decode significant pass
78 */
79
80 static INLINE void opj_t1_dec_sigpass_step_raw(
81 opj_t1_t *t1,
82 opj_flag_t *flagsp,
83 OPJ_INT32 *datap,
84 OPJ_INT32 oneplushalf,
85 OPJ_UINT32 vsc,
86 OPJ_UINT32 row);
87 static INLINE void opj_t1_dec_sigpass_step_mqc(
88 opj_t1_t *t1,
89 opj_flag_t *flagsp,
90 OPJ_INT32 *datap,
91 OPJ_INT32 oneplushalf,
92 OPJ_UINT32 row,
93 OPJ_UINT32 flags_stride,
94 OPJ_UINT32 vsc);
95
96 /**
97 Encode significant pass
98 */
99 static void opj_t1_enc_sigpass(opj_t1_t *t1,
100 OPJ_INT32 bpno,
101 OPJ_INT32 *nmsedec,
102 OPJ_BYTE type,
103 OPJ_UINT32 cblksty);
104
105 /**
106 Decode significant pass
107 */
108 static void opj_t1_dec_sigpass_raw(
109 opj_t1_t *t1,
110 OPJ_INT32 bpno,
111 OPJ_INT32 cblksty);
112
113 /**
114 Encode refinement pass
115 */
116 static void opj_t1_enc_refpass(opj_t1_t *t1,
117 OPJ_INT32 bpno,
118 OPJ_INT32 *nmsedec,
119 OPJ_BYTE type);
120
121 /**
122 Decode refinement pass
123 */
124 static void opj_t1_dec_refpass_raw(
125 opj_t1_t *t1,
126 OPJ_INT32 bpno);
127
128
129 /**
130 Decode refinement pass
131 */
132
133 static INLINE void opj_t1_dec_refpass_step_raw(
134 opj_t1_t *t1,
135 opj_flag_t *flagsp,
136 OPJ_INT32 *datap,
137 OPJ_INT32 poshalf,
138 OPJ_UINT32 row);
139 static INLINE void opj_t1_dec_refpass_step_mqc(
140 opj_t1_t *t1,
141 opj_flag_t *flagsp,
142 OPJ_INT32 *datap,
143 OPJ_INT32 poshalf,
144 OPJ_UINT32 row);
145
146
147 /**
148 Decode clean-up pass
149 */
150
151 static void opj_t1_dec_clnpass_step(
152 opj_t1_t *t1,
153 opj_flag_t *flagsp,
154 OPJ_INT32 *datap,
155 OPJ_INT32 oneplushalf,
156 OPJ_UINT32 row,
157 OPJ_UINT32 vsc);
158
159 /**
160 Encode clean-up pass
161 */
162 static void opj_t1_enc_clnpass(
163 opj_t1_t *t1,
164 OPJ_INT32 bpno,
165 OPJ_INT32 *nmsedec,
166 OPJ_UINT32 cblksty);
167
168 static OPJ_FLOAT64 opj_t1_getwmsedec(
169 OPJ_INT32 nmsedec,
170 OPJ_UINT32 compno,
171 OPJ_UINT32 level,
172 OPJ_UINT32 orient,
173 OPJ_INT32 bpno,
174 OPJ_UINT32 qmfbid,
175 OPJ_FLOAT64 stepsize,
176 OPJ_UINT32 numcomps,
177 const OPJ_FLOAT64 * mct_norms,
178 OPJ_UINT32 mct_numcomps);
179
180 static void opj_t1_encode_cblk(opj_t1_t *t1,
181 opj_tcd_cblk_enc_t* cblk,
182 OPJ_UINT32 orient,
183 OPJ_UINT32 compno,
184 OPJ_UINT32 level,
185 OPJ_UINT32 qmfbid,
186 OPJ_FLOAT64 stepsize,
187 OPJ_UINT32 cblksty,
188 OPJ_UINT32 numcomps,
189 opj_tcd_tile_t * tile,
190 const OPJ_FLOAT64 * mct_norms,
191 OPJ_UINT32 mct_numcomps);
192
193 /**
194 Decode 1 code-block
195 @param t1 T1 handle
196 @param cblk Code-block coding parameters
197 @param orient
198 @param roishift Region of interest shifting value
199 @param cblksty Code-block style
200 @param p_manager the event manager
201 @param p_manager_mutex mutex for the event manager
202 @param check_pterm whether PTERM correct termination should be checked
203 */
204 static OPJ_BOOL opj_t1_decode_cblk(opj_t1_t *t1,
205 opj_tcd_cblk_dec_t* cblk,
206 OPJ_UINT32 orient,
207 OPJ_UINT32 roishift,
208 OPJ_UINT32 cblksty,
209 opj_event_mgr_t *p_manager,
210 opj_mutex_t* p_manager_mutex,
211 OPJ_BOOL check_pterm);
212
213 static OPJ_BOOL opj_t1_allocate_buffers(opj_t1_t *t1,
214 OPJ_UINT32 w,
215 OPJ_UINT32 h);
216
217 /*@}*/
218
219 /*@}*/
220
221 /* ----------------------------------------------------------------------- */
222
opj_t1_getctxno_zc(opj_mqc_t * mqc,OPJ_UINT32 f)223 static INLINE OPJ_BYTE opj_t1_getctxno_zc(opj_mqc_t *mqc, OPJ_UINT32 f)
224 {
225 return mqc->lut_ctxno_zc_orient[(f & T1_SIGMA_NEIGHBOURS)];
226 }
227
opj_t1_getctxtno_sc_or_spb_index(OPJ_UINT32 fX,OPJ_UINT32 pfX,OPJ_UINT32 nfX,OPJ_UINT32 ci)228 static INLINE OPJ_UINT32 opj_t1_getctxtno_sc_or_spb_index(OPJ_UINT32 fX,
229 OPJ_UINT32 pfX,
230 OPJ_UINT32 nfX,
231 OPJ_UINT32 ci)
232 {
233 /*
234 0 pfX T1_CHI_THIS T1_LUT_SGN_W
235 1 tfX T1_SIGMA_1 T1_LUT_SIG_N
236 2 nfX T1_CHI_THIS T1_LUT_SGN_E
237 3 tfX T1_SIGMA_3 T1_LUT_SIG_W
238 4 fX T1_CHI_(THIS - 1) T1_LUT_SGN_N
239 5 tfX T1_SIGMA_5 T1_LUT_SIG_E
240 6 fX T1_CHI_(THIS + 1) T1_LUT_SGN_S
241 7 tfX T1_SIGMA_7 T1_LUT_SIG_S
242 */
243
244 OPJ_UINT32 lu = (fX >> (ci * 3U)) & (T1_SIGMA_1 | T1_SIGMA_3 | T1_SIGMA_5 |
245 T1_SIGMA_7);
246
247 lu |= (pfX >> (T1_CHI_THIS_I + (ci * 3U))) & (1U << 0);
248 lu |= (nfX >> (T1_CHI_THIS_I - 2U + (ci * 3U))) & (1U << 2);
249 if (ci == 0U) {
250 lu |= (fX >> (T1_CHI_0_I - 4U)) & (1U << 4);
251 } else {
252 lu |= (fX >> (T1_CHI_1_I - 4U + ((ci - 1U) * 3U))) & (1U << 4);
253 }
254 lu |= (fX >> (T1_CHI_2_I - 6U + (ci * 3U))) & (1U << 6);
255 return lu;
256 }
257
opj_t1_getctxno_sc(OPJ_UINT32 lu)258 static INLINE OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 lu)
259 {
260 return lut_ctxno_sc[lu];
261 }
262
opj_t1_getctxno_mag(OPJ_UINT32 f)263 static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f)
264 {
265 OPJ_UINT32 tmp = (f & T1_SIGMA_NEIGHBOURS) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
266 OPJ_UINT32 tmp2 = (f & T1_MU_0) ? T1_CTXNO_MAG + 2 : tmp;
267 return tmp2;
268 }
269
opj_t1_getspb(OPJ_UINT32 lu)270 static INLINE OPJ_BYTE opj_t1_getspb(OPJ_UINT32 lu)
271 {
272 return lut_spb[lu];
273 }
274
opj_t1_getnmsedec_sig(OPJ_UINT32 x,OPJ_UINT32 bitpos)275 static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos)
276 {
277 if (bitpos > 0) {
278 return lut_nmsedec_sig[(x >> (bitpos)) & ((1 << T1_NMSEDEC_BITS) - 1)];
279 }
280
281 return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
282 }
283
opj_t1_getnmsedec_ref(OPJ_UINT32 x,OPJ_UINT32 bitpos)284 static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos)
285 {
286 if (bitpos > 0) {
287 return lut_nmsedec_ref[(x >> (bitpos)) & ((1 << T1_NMSEDEC_BITS) - 1)];
288 }
289
290 return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
291 }
292
293 #define opj_t1_update_flags_macro(flags, flagsp, ci, s, stride, vsc) \
294 { \
295 /* east */ \
296 flagsp[-1] |= T1_SIGMA_5 << (3U * ci); \
297 \
298 /* mark target as significant */ \
299 flags |= ((s << T1_CHI_1_I) | T1_SIGMA_4) << (3U * ci); \
300 \
301 /* west */ \
302 flagsp[1] |= T1_SIGMA_3 << (3U * ci); \
303 \
304 /* north-west, north, north-east */ \
305 if (ci == 0U && !(vsc)) { \
306 opj_flag_t* north = flagsp - (stride); \
307 *north |= (s << T1_CHI_5_I) | T1_SIGMA_16; \
308 north[-1] |= T1_SIGMA_17; \
309 north[1] |= T1_SIGMA_15; \
310 } \
311 \
312 /* south-west, south, south-east */ \
313 if (ci == 3U) { \
314 opj_flag_t* south = flagsp + (stride); \
315 *south |= (s << T1_CHI_0_I) | T1_SIGMA_1; \
316 south[-1] |= T1_SIGMA_2; \
317 south[1] |= T1_SIGMA_0; \
318 } \
319 }
320
321
opj_t1_update_flags(opj_flag_t * flagsp,OPJ_UINT32 ci,OPJ_UINT32 s,OPJ_UINT32 stride,OPJ_UINT32 vsc)322 static INLINE void opj_t1_update_flags(opj_flag_t *flagsp, OPJ_UINT32 ci,
323 OPJ_UINT32 s, OPJ_UINT32 stride,
324 OPJ_UINT32 vsc)
325 {
326 opj_t1_update_flags_macro(*flagsp, flagsp, ci, s, stride, vsc);
327 }
328
329 /**
330 Encode significant pass
331 */
opj_t1_enc_sigpass_step(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 bpno,OPJ_INT32 one,OPJ_INT32 * nmsedec,OPJ_BYTE type,OPJ_UINT32 ci,OPJ_UINT32 vsc)332 static INLINE void opj_t1_enc_sigpass_step(opj_t1_t *t1,
333 opj_flag_t *flagsp,
334 OPJ_INT32 *datap,
335 OPJ_INT32 bpno,
336 OPJ_INT32 one,
337 OPJ_INT32 *nmsedec,
338 OPJ_BYTE type,
339 OPJ_UINT32 ci,
340 OPJ_UINT32 vsc)
341 {
342 OPJ_UINT32 v;
343
344 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
345
346 OPJ_UINT32 const flags = *flagsp;
347
348 if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U &&
349 (flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) {
350 OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
351 v = (opj_int_abs(*datap) & one) ? 1 : 0;
352 #ifdef DEBUG_ENC_SIG
353 fprintf(stderr, " ctxt1=%d\n", ctxt1);
354 #endif
355 opj_mqc_setcurctx(mqc, ctxt1);
356 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
357 opj_mqc_bypass_enc(mqc, v);
358 } else {
359 opj_mqc_encode(mqc, v);
360 }
361 if (v) {
362 OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index(
363 *flagsp,
364 flagsp[-1], flagsp[1],
365 ci);
366 OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu);
367 v = *datap < 0 ? 1U : 0U;
368 *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap),
369 (OPJ_UINT32)bpno);
370 #ifdef DEBUG_ENC_SIG
371 fprintf(stderr, " ctxt2=%d\n", ctxt2);
372 #endif
373 opj_mqc_setcurctx(mqc, ctxt2);
374 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
375 opj_mqc_bypass_enc(mqc, v);
376 } else {
377 OPJ_UINT32 spb = opj_t1_getspb(lu);
378 #ifdef DEBUG_ENC_SIG
379 fprintf(stderr, " spb=%d\n", spb);
380 #endif
381 opj_mqc_encode(mqc, v ^ spb);
382 }
383 opj_t1_update_flags(flagsp, ci, v, t1->w + 2, vsc);
384 }
385 *flagsp |= T1_PI_THIS << (ci * 3U);
386 }
387 }
388
opj_t1_dec_sigpass_step_raw(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 oneplushalf,OPJ_UINT32 vsc,OPJ_UINT32 ci)389 static INLINE void opj_t1_dec_sigpass_step_raw(
390 opj_t1_t *t1,
391 opj_flag_t *flagsp,
392 OPJ_INT32 *datap,
393 OPJ_INT32 oneplushalf,
394 OPJ_UINT32 vsc,
395 OPJ_UINT32 ci)
396 {
397 OPJ_UINT32 v;
398 opj_mqc_t *mqc = &(t1->mqc); /* RAW component */
399
400 OPJ_UINT32 const flags = *flagsp;
401
402 if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U &&
403 (flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) {
404 if (opj_mqc_raw_decode(mqc)) {
405 v = opj_mqc_raw_decode(mqc);
406 *datap = v ? -oneplushalf : oneplushalf;
407 opj_t1_update_flags(flagsp, ci, v, t1->w + 2, vsc);
408 }
409 *flagsp |= T1_PI_THIS << (ci * 3U);
410 }
411 }
412
413 #define opj_t1_dec_sigpass_step_mqc_macro(flags, flagsp, flags_stride, data, \
414 data_stride, ci, mqc, curctx, \
415 v, a, c, ct, oneplushalf, vsc) \
416 { \
417 if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == 0U && \
418 (flags & (T1_SIGMA_NEIGHBOURS << (ci * 3U))) != 0U) { \
419 OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U)); \
420 opj_t1_setcurctx(curctx, ctxt1); \
421 opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
422 if (v) { \
423 OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index( \
424 flags, \
425 flagsp[-1], flagsp[1], \
426 ci); \
427 OPJ_UINT32 ctxt2 = opj_t1_getctxno_sc(lu); \
428 OPJ_UINT32 spb = opj_t1_getspb(lu); \
429 opj_t1_setcurctx(curctx, ctxt2); \
430 opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
431 v = v ^ spb; \
432 data[ci*data_stride] = v ? -oneplushalf : oneplushalf; \
433 opj_t1_update_flags_macro(flags, flagsp, ci, v, flags_stride, vsc); \
434 } \
435 flags |= T1_PI_THIS << (ci * 3U); \
436 } \
437 }
438
opj_t1_dec_sigpass_step_mqc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 oneplushalf,OPJ_UINT32 ci,OPJ_UINT32 flags_stride,OPJ_UINT32 vsc)439 static INLINE void opj_t1_dec_sigpass_step_mqc(
440 opj_t1_t *t1,
441 opj_flag_t *flagsp,
442 OPJ_INT32 *datap,
443 OPJ_INT32 oneplushalf,
444 OPJ_UINT32 ci,
445 OPJ_UINT32 flags_stride,
446 OPJ_UINT32 vsc)
447 {
448 OPJ_UINT32 v;
449
450 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
451 opj_t1_dec_sigpass_step_mqc_macro(*flagsp, flagsp, flags_stride, datap,
452 0, ci, mqc, mqc->curctx,
453 v, mqc->a, mqc->c, mqc->ct, oneplushalf, vsc);
454 }
455
opj_t1_enc_sigpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 * nmsedec,OPJ_BYTE type,OPJ_UINT32 cblksty)456 static void opj_t1_enc_sigpass(opj_t1_t *t1,
457 OPJ_INT32 bpno,
458 OPJ_INT32 *nmsedec,
459 OPJ_BYTE type,
460 OPJ_UINT32 cblksty
461 )
462 {
463 OPJ_UINT32 i, k;
464 OPJ_INT32 const one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
465 opj_flag_t* f = &T1_FLAGS(0, 0);
466 OPJ_UINT32 const extra = 2;
467
468 *nmsedec = 0;
469 #ifdef DEBUG_ENC_SIG
470 fprintf(stderr, "enc_sigpass: bpno=%d\n", bpno);
471 #endif
472 for (k = 0; k < (t1->h & ~3U); k += 4) {
473 #ifdef DEBUG_ENC_SIG
474 fprintf(stderr, " k=%d\n", k);
475 #endif
476 for (i = 0; i < t1->w; ++i) {
477 #ifdef DEBUG_ENC_SIG
478 fprintf(stderr, " i=%d\n", i);
479 #endif
480 if (*f == 0U) {
481 /* Nothing to do for any of the 4 data points */
482 f++;
483 continue;
484 }
485 opj_t1_enc_sigpass_step(
486 t1,
487 f,
488 &t1->data[((k + 0) * t1->data_stride) + i],
489 bpno,
490 one,
491 nmsedec,
492 type,
493 0, cblksty & J2K_CCP_CBLKSTY_VSC);
494 opj_t1_enc_sigpass_step(
495 t1,
496 f,
497 &t1->data[((k + 1) * t1->data_stride) + i],
498 bpno,
499 one,
500 nmsedec,
501 type,
502 1, 0);
503 opj_t1_enc_sigpass_step(
504 t1,
505 f,
506 &t1->data[((k + 2) * t1->data_stride) + i],
507 bpno,
508 one,
509 nmsedec,
510 type,
511 2, 0);
512 opj_t1_enc_sigpass_step(
513 t1,
514 f,
515 &t1->data[((k + 3) * t1->data_stride) + i],
516 bpno,
517 one,
518 nmsedec,
519 type,
520 3, 0);
521 ++f;
522 }
523 f += extra;
524 }
525
526 if (k < t1->h) {
527 OPJ_UINT32 j;
528 #ifdef DEBUG_ENC_SIG
529 fprintf(stderr, " k=%d\n", k);
530 #endif
531 for (i = 0; i < t1->w; ++i) {
532 #ifdef DEBUG_ENC_SIG
533 fprintf(stderr, " i=%d\n", i);
534 #endif
535 if (*f == 0U) {
536 /* Nothing to do for any of the 4 data points */
537 f++;
538 continue;
539 }
540 for (j = k; j < t1->h; ++j) {
541 opj_t1_enc_sigpass_step(
542 t1,
543 f,
544 &t1->data[(j * t1->data_stride) + i],
545 bpno,
546 one,
547 nmsedec,
548 type,
549 j - k,
550 (j == k && (cblksty & J2K_CCP_CBLKSTY_VSC) != 0));
551 }
552 ++f;
553 }
554 }
555 }
556
opj_t1_dec_sigpass_raw(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 cblksty)557 static void opj_t1_dec_sigpass_raw(
558 opj_t1_t *t1,
559 OPJ_INT32 bpno,
560 OPJ_INT32 cblksty)
561 {
562 OPJ_INT32 one, half, oneplushalf;
563 OPJ_UINT32 i, j, k;
564 OPJ_INT32 *data = t1->data;
565 opj_flag_t *flagsp = &T1_FLAGS(0, 0);
566 const OPJ_UINT32 l_w = t1->w;
567 one = 1 << bpno;
568 half = one >> 1;
569 oneplushalf = one | half;
570
571 for (k = 0; k < (t1->h & ~3U); k += 4, flagsp += 2, data += 3 * l_w) {
572 for (i = 0; i < l_w; ++i, ++flagsp, ++data) {
573 opj_flag_t flags = *flagsp;
574 if (flags != 0) {
575 opj_t1_dec_sigpass_step_raw(
576 t1,
577 flagsp,
578 data,
579 oneplushalf,
580 cblksty & J2K_CCP_CBLKSTY_VSC, /* vsc */
581 0U);
582 opj_t1_dec_sigpass_step_raw(
583 t1,
584 flagsp,
585 data + l_w,
586 oneplushalf,
587 OPJ_FALSE, /* vsc */
588 1U);
589 opj_t1_dec_sigpass_step_raw(
590 t1,
591 flagsp,
592 data + 2 * l_w,
593 oneplushalf,
594 OPJ_FALSE, /* vsc */
595 2U);
596 opj_t1_dec_sigpass_step_raw(
597 t1,
598 flagsp,
599 data + 3 * l_w,
600 oneplushalf,
601 OPJ_FALSE, /* vsc */
602 3U);
603 }
604 }
605 }
606 if (k < t1->h) {
607 for (i = 0; i < l_w; ++i, ++flagsp, ++data) {
608 for (j = 0; j < t1->h - k; ++j) {
609 opj_t1_dec_sigpass_step_raw(
610 t1,
611 flagsp,
612 data + j * l_w,
613 oneplushalf,
614 cblksty & J2K_CCP_CBLKSTY_VSC, /* vsc */
615 j);
616 }
617 }
618 }
619 }
620
621 #define opj_t1_dec_sigpass_mqc_internal(t1, bpno, vsc, w, h, flags_stride) \
622 { \
623 OPJ_INT32 one, half, oneplushalf; \
624 OPJ_UINT32 i, j, k; \
625 register OPJ_INT32 *data = t1->data; \
626 register opj_flag_t *flagsp = &t1->flags[(flags_stride) + 1]; \
627 const OPJ_UINT32 l_w = w; \
628 opj_mqc_t* mqc = &(t1->mqc); \
629 DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
630 register OPJ_UINT32 v; \
631 one = 1 << bpno; \
632 half = one >> 1; \
633 oneplushalf = one | half; \
634 for (k = 0; k < (h & ~3u); k += 4, data += 3*l_w, flagsp += 2) { \
635 for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
636 opj_flag_t flags = *flagsp; \
637 if( flags != 0 ) { \
638 opj_t1_dec_sigpass_step_mqc_macro( \
639 flags, flagsp, flags_stride, data, \
640 l_w, 0, mqc, curctx, v, a, c, ct, oneplushalf, vsc); \
641 opj_t1_dec_sigpass_step_mqc_macro( \
642 flags, flagsp, flags_stride, data, \
643 l_w, 1, mqc, curctx, v, a, c, ct, oneplushalf, OPJ_FALSE); \
644 opj_t1_dec_sigpass_step_mqc_macro( \
645 flags, flagsp, flags_stride, data, \
646 l_w, 2, mqc, curctx, v, a, c, ct, oneplushalf, OPJ_FALSE); \
647 opj_t1_dec_sigpass_step_mqc_macro( \
648 flags, flagsp, flags_stride, data, \
649 l_w, 3, mqc, curctx, v, a, c, ct, oneplushalf, OPJ_FALSE); \
650 *flagsp = flags; \
651 } \
652 } \
653 } \
654 UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
655 if( k < h ) { \
656 for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
657 for (j = 0; j < h - k; ++j) { \
658 opj_t1_dec_sigpass_step_mqc(t1, flagsp, \
659 data + j * l_w, oneplushalf, j, flags_stride, vsc); \
660 } \
661 } \
662 } \
663 }
664
opj_t1_dec_sigpass_mqc_64x64_novsc(opj_t1_t * t1,OPJ_INT32 bpno)665 static void opj_t1_dec_sigpass_mqc_64x64_novsc(
666 opj_t1_t *t1,
667 OPJ_INT32 bpno)
668 {
669 opj_t1_dec_sigpass_mqc_internal(t1, bpno, OPJ_FALSE, 64, 64, 66);
670 }
671
opj_t1_dec_sigpass_mqc_64x64_vsc(opj_t1_t * t1,OPJ_INT32 bpno)672 static void opj_t1_dec_sigpass_mqc_64x64_vsc(
673 opj_t1_t *t1,
674 OPJ_INT32 bpno)
675 {
676 opj_t1_dec_sigpass_mqc_internal(t1, bpno, OPJ_TRUE, 64, 64, 66);
677 }
678
opj_t1_dec_sigpass_mqc_generic_novsc(opj_t1_t * t1,OPJ_INT32 bpno)679 static void opj_t1_dec_sigpass_mqc_generic_novsc(
680 opj_t1_t *t1,
681 OPJ_INT32 bpno)
682 {
683 opj_t1_dec_sigpass_mqc_internal(t1, bpno, OPJ_FALSE, t1->w, t1->h,
684 t1->w + 2U);
685 }
686
opj_t1_dec_sigpass_mqc_generic_vsc(opj_t1_t * t1,OPJ_INT32 bpno)687 static void opj_t1_dec_sigpass_mqc_generic_vsc(
688 opj_t1_t *t1,
689 OPJ_INT32 bpno)
690 {
691 opj_t1_dec_sigpass_mqc_internal(t1, bpno, OPJ_TRUE, t1->w, t1->h,
692 t1->w + 2U);
693 }
694
opj_t1_dec_sigpass_mqc(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 cblksty)695 static void opj_t1_dec_sigpass_mqc(
696 opj_t1_t *t1,
697 OPJ_INT32 bpno,
698 OPJ_INT32 cblksty)
699 {
700 if (t1->w == 64 && t1->h == 64) {
701 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
702 opj_t1_dec_sigpass_mqc_64x64_vsc(t1, bpno);
703 } else {
704 opj_t1_dec_sigpass_mqc_64x64_novsc(t1, bpno);
705 }
706 } else {
707 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
708 opj_t1_dec_sigpass_mqc_generic_vsc(t1, bpno);
709 } else {
710 opj_t1_dec_sigpass_mqc_generic_novsc(t1, bpno);
711 }
712 }
713 }
714
715 /**
716 Encode refinement pass step
717 */
opj_t1_enc_refpass_step(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 bpno,OPJ_INT32 one,OPJ_INT32 * nmsedec,OPJ_BYTE type,OPJ_UINT32 ci)718 static INLINE void opj_t1_enc_refpass_step(opj_t1_t *t1,
719 opj_flag_t *flagsp,
720 OPJ_INT32 *datap,
721 OPJ_INT32 bpno,
722 OPJ_INT32 one,
723 OPJ_INT32 *nmsedec,
724 OPJ_BYTE type,
725 OPJ_UINT32 ci)
726 {
727 OPJ_UINT32 v;
728
729 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
730
731 OPJ_UINT32 const shift_flags =
732 (*flagsp >> (ci * 3U));
733
734 if ((shift_flags & (T1_SIGMA_THIS | T1_PI_THIS)) == T1_SIGMA_THIS) {
735 OPJ_UINT32 ctxt = opj_t1_getctxno_mag(shift_flags);
736 *nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap),
737 (OPJ_UINT32)bpno);
738 v = (opj_int_abs(*datap) & one) ? 1 : 0;
739 #ifdef DEBUG_ENC_REF
740 fprintf(stderr, " ctxt=%d\n", ctxt);
741 #endif
742 opj_mqc_setcurctx(mqc, ctxt);
743 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
744 opj_mqc_bypass_enc(mqc, v);
745 } else {
746 opj_mqc_encode(mqc, v);
747 }
748 *flagsp |= T1_MU_THIS << (ci * 3U);
749 }
750 }
751
752
opj_t1_dec_refpass_step_raw(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 poshalf,OPJ_UINT32 ci)753 static INLINE void opj_t1_dec_refpass_step_raw(
754 opj_t1_t *t1,
755 opj_flag_t *flagsp,
756 OPJ_INT32 *datap,
757 OPJ_INT32 poshalf,
758 OPJ_UINT32 ci)
759 {
760 OPJ_UINT32 v;
761
762 opj_mqc_t *mqc = &(t1->mqc); /* RAW component */
763
764 if ((*flagsp & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) ==
765 (T1_SIGMA_THIS << (ci * 3U))) {
766 v = opj_mqc_raw_decode(mqc);
767 *datap += (v ^ (*datap < 0)) ? poshalf : -poshalf;
768 *flagsp |= T1_MU_THIS << (ci * 3U);
769 }
770 }
771
772 #define opj_t1_dec_refpass_step_mqc_macro(flags, data, data_stride, ci, \
773 mqc, curctx, v, a, c, ct, poshalf) \
774 { \
775 if ((flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U))) == \
776 (T1_SIGMA_THIS << (ci * 3U))) { \
777 OPJ_UINT32 ctxt = opj_t1_getctxno_mag(flags >> (ci * 3U)); \
778 opj_t1_setcurctx(curctx, ctxt); \
779 opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
780 data[ci*data_stride] += (v ^ (data[ci*data_stride] < 0)) ? poshalf : -poshalf; \
781 flags |= T1_MU_THIS << (ci * 3U); \
782 } \
783 }
784
opj_t1_dec_refpass_step_mqc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 poshalf,OPJ_UINT32 ci)785 static INLINE void opj_t1_dec_refpass_step_mqc(
786 opj_t1_t *t1,
787 opj_flag_t *flagsp,
788 OPJ_INT32 *datap,
789 OPJ_INT32 poshalf,
790 OPJ_UINT32 ci)
791 {
792 OPJ_UINT32 v;
793
794 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
795 opj_t1_dec_refpass_step_mqc_macro(*flagsp, datap, 0, ci,
796 mqc, mqc->curctx, v, mqc->a, mqc->c,
797 mqc->ct, poshalf);
798 }
799
opj_t1_enc_refpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 * nmsedec,OPJ_BYTE type)800 static void opj_t1_enc_refpass(
801 opj_t1_t *t1,
802 OPJ_INT32 bpno,
803 OPJ_INT32 *nmsedec,
804 OPJ_BYTE type)
805 {
806 OPJ_UINT32 i, k;
807 const OPJ_INT32 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
808 opj_flag_t* f = &T1_FLAGS(0, 0);
809 const OPJ_UINT32 extra = 2U;
810
811 *nmsedec = 0;
812 #ifdef DEBUG_ENC_REF
813 fprintf(stderr, "enc_refpass: bpno=%d\n", bpno);
814 #endif
815 for (k = 0; k < (t1->h & ~3U); k += 4) {
816 #ifdef DEBUG_ENC_REF
817 fprintf(stderr, " k=%d\n", k);
818 #endif
819 for (i = 0; i < t1->w; ++i) {
820 #ifdef DEBUG_ENC_REF
821 fprintf(stderr, " i=%d\n", i);
822 #endif
823 if ((*f & (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13)) == 0) {
824 /* none significant */
825 f++;
826 continue;
827 }
828 if ((*f & (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3)) ==
829 (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3)) {
830 /* all processed by sigpass */
831 f++;
832 continue;
833 }
834
835 opj_t1_enc_refpass_step(
836 t1,
837 f,
838 &t1->data[((k + 0) * t1->data_stride) + i],
839 bpno,
840 one,
841 nmsedec,
842 type,
843 0);
844 opj_t1_enc_refpass_step(
845 t1,
846 f,
847 &t1->data[((k + 1) * t1->data_stride) + i],
848 bpno,
849 one,
850 nmsedec,
851 type,
852 1);
853 opj_t1_enc_refpass_step(
854 t1,
855 f,
856 &t1->data[((k + 2) * t1->data_stride) + i],
857 bpno,
858 one,
859 nmsedec,
860 type,
861 2);
862 opj_t1_enc_refpass_step(
863 t1,
864 f,
865 &t1->data[((k + 3) * t1->data_stride) + i],
866 bpno,
867 one,
868 nmsedec,
869 type,
870 3);
871 ++f;
872 }
873 f += extra;
874 }
875
876 if (k < t1->h) {
877 OPJ_UINT32 j;
878 #ifdef DEBUG_ENC_REF
879 fprintf(stderr, " k=%d\n", k);
880 #endif
881 for (i = 0; i < t1->w; ++i) {
882 #ifdef DEBUG_ENC_REF
883 fprintf(stderr, " i=%d\n", i);
884 #endif
885 if ((*f & (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13)) == 0) {
886 /* none significant */
887 f++;
888 continue;
889 }
890 for (j = k; j < t1->h; ++j) {
891 opj_t1_enc_refpass_step(
892 t1,
893 f,
894 &t1->data[(j * t1->data_stride) + i],
895 bpno,
896 one,
897 nmsedec,
898 type,
899 j - k);
900 }
901 ++f;
902 }
903 }
904 }
905
906
opj_t1_dec_refpass_raw(opj_t1_t * t1,OPJ_INT32 bpno)907 static void opj_t1_dec_refpass_raw(
908 opj_t1_t *t1,
909 OPJ_INT32 bpno)
910 {
911 OPJ_INT32 one, poshalf;
912 OPJ_UINT32 i, j, k;
913 OPJ_INT32 *data = t1->data;
914 opj_flag_t *flagsp = &T1_FLAGS(0, 0);
915 const OPJ_UINT32 l_w = t1->w;
916 one = 1 << bpno;
917 poshalf = one >> 1;
918 for (k = 0; k < (t1->h & ~3U); k += 4, flagsp += 2, data += 3 * l_w) {
919 for (i = 0; i < l_w; ++i, ++flagsp, ++data) {
920 opj_flag_t flags = *flagsp;
921 if (flags != 0) {
922 opj_t1_dec_refpass_step_raw(
923 t1,
924 flagsp,
925 data,
926 poshalf,
927 0U);
928 opj_t1_dec_refpass_step_raw(
929 t1,
930 flagsp,
931 data + l_w,
932 poshalf,
933 1U);
934 opj_t1_dec_refpass_step_raw(
935 t1,
936 flagsp,
937 data + 2 * l_w,
938 poshalf,
939 2U);
940 opj_t1_dec_refpass_step_raw(
941 t1,
942 flagsp,
943 data + 3 * l_w,
944 poshalf,
945 3U);
946 }
947 }
948 }
949 if (k < t1->h) {
950 for (i = 0; i < l_w; ++i, ++flagsp, ++data) {
951 for (j = 0; j < t1->h - k; ++j) {
952 opj_t1_dec_refpass_step_raw(
953 t1,
954 flagsp,
955 data + j * l_w,
956 poshalf,
957 j);
958 }
959 }
960 }
961 }
962
963 #define opj_t1_dec_refpass_mqc_internal(t1, bpno, w, h, flags_stride) \
964 { \
965 OPJ_INT32 one, poshalf; \
966 OPJ_UINT32 i, j, k; \
967 register OPJ_INT32 *data = t1->data; \
968 register opj_flag_t *flagsp = &t1->flags[flags_stride + 1]; \
969 const OPJ_UINT32 l_w = w; \
970 opj_mqc_t* mqc = &(t1->mqc); \
971 DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
972 register OPJ_UINT32 v; \
973 one = 1 << bpno; \
974 poshalf = one >> 1; \
975 for (k = 0; k < (h & ~3u); k += 4, data += 3*l_w, flagsp += 2) { \
976 for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
977 opj_flag_t flags = *flagsp; \
978 if( flags != 0 ) { \
979 opj_t1_dec_refpass_step_mqc_macro( \
980 flags, data, l_w, 0, \
981 mqc, curctx, v, a, c, ct, poshalf); \
982 opj_t1_dec_refpass_step_mqc_macro( \
983 flags, data, l_w, 1, \
984 mqc, curctx, v, a, c, ct, poshalf); \
985 opj_t1_dec_refpass_step_mqc_macro( \
986 flags, data, l_w, 2, \
987 mqc, curctx, v, a, c, ct, poshalf); \
988 opj_t1_dec_refpass_step_mqc_macro( \
989 flags, data, l_w, 3, \
990 mqc, curctx, v, a, c, ct, poshalf); \
991 *flagsp = flags; \
992 } \
993 } \
994 } \
995 UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
996 if( k < h ) { \
997 for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
998 for (j = 0; j < h - k; ++j) { \
999 opj_t1_dec_refpass_step_mqc(t1, flagsp, data + j * l_w, poshalf, j); \
1000 } \
1001 } \
1002 } \
1003 }
1004
opj_t1_dec_refpass_mqc_64x64(opj_t1_t * t1,OPJ_INT32 bpno)1005 static void opj_t1_dec_refpass_mqc_64x64(
1006 opj_t1_t *t1,
1007 OPJ_INT32 bpno)
1008 {
1009 opj_t1_dec_refpass_mqc_internal(t1, bpno, 64, 64, 66);
1010 }
1011
opj_t1_dec_refpass_mqc_generic(opj_t1_t * t1,OPJ_INT32 bpno)1012 static void opj_t1_dec_refpass_mqc_generic(
1013 opj_t1_t *t1,
1014 OPJ_INT32 bpno)
1015 {
1016 opj_t1_dec_refpass_mqc_internal(t1, bpno, t1->w, t1->h, t1->w + 2U);
1017 }
1018
opj_t1_dec_refpass_mqc(opj_t1_t * t1,OPJ_INT32 bpno)1019 static void opj_t1_dec_refpass_mqc(
1020 opj_t1_t *t1,
1021 OPJ_INT32 bpno)
1022 {
1023 if (t1->w == 64 && t1->h == 64) {
1024 opj_t1_dec_refpass_mqc_64x64(t1, bpno);
1025 } else {
1026 opj_t1_dec_refpass_mqc_generic(t1, bpno);
1027 }
1028 }
1029
1030 /**
1031 Encode clean-up pass step
1032 */
opj_t1_enc_clnpass_step(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 bpno,OPJ_INT32 one,OPJ_INT32 * nmsedec,OPJ_UINT32 agg,OPJ_UINT32 runlen,OPJ_UINT32 lim,OPJ_UINT32 cblksty)1033 static void opj_t1_enc_clnpass_step(
1034 opj_t1_t *t1,
1035 opj_flag_t *flagsp,
1036 OPJ_INT32 *datap,
1037 OPJ_INT32 bpno,
1038 OPJ_INT32 one,
1039 OPJ_INT32 *nmsedec,
1040 OPJ_UINT32 agg,
1041 OPJ_UINT32 runlen,
1042 OPJ_UINT32 lim,
1043 OPJ_UINT32 cblksty)
1044 {
1045 OPJ_UINT32 v;
1046 OPJ_UINT32 ci;
1047 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
1048
1049 const OPJ_UINT32 check = (T1_SIGMA_4 | T1_SIGMA_7 | T1_SIGMA_10 | T1_SIGMA_13 |
1050 T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
1051
1052 if ((*flagsp & check) == check) {
1053 if (runlen == 0) {
1054 *flagsp &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
1055 } else if (runlen == 1) {
1056 *flagsp &= ~(T1_PI_1 | T1_PI_2 | T1_PI_3);
1057 } else if (runlen == 2) {
1058 *flagsp &= ~(T1_PI_2 | T1_PI_3);
1059 } else if (runlen == 3) {
1060 *flagsp &= ~(T1_PI_3);
1061 }
1062 return;
1063 }
1064
1065 for (ci = runlen; ci < lim; ++ci) {
1066 OPJ_UINT32 vsc;
1067 opj_flag_t flags;
1068 OPJ_UINT32 ctxt1;
1069
1070 flags = *flagsp;
1071
1072 if ((agg != 0) && (ci == runlen)) {
1073 goto LABEL_PARTIAL;
1074 }
1075
1076 if (!(flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) {
1077 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U));
1078 #ifdef DEBUG_ENC_CLN
1079 printf(" ctxt1=%d\n", ctxt1);
1080 #endif
1081 opj_mqc_setcurctx(mqc, ctxt1);
1082 v = (opj_int_abs(*datap) & one) ? 1 : 0;
1083 opj_mqc_encode(mqc, v);
1084 if (v) {
1085 OPJ_UINT32 ctxt2, spb;
1086 OPJ_UINT32 lu;
1087 LABEL_PARTIAL:
1088 lu = opj_t1_getctxtno_sc_or_spb_index(
1089 *flagsp,
1090 flagsp[-1], flagsp[1],
1091 ci);
1092 *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap),
1093 (OPJ_UINT32)bpno);
1094 ctxt2 = opj_t1_getctxno_sc(lu);
1095 #ifdef DEBUG_ENC_CLN
1096 printf(" ctxt2=%d\n", ctxt2);
1097 #endif
1098 opj_mqc_setcurctx(mqc, ctxt2);
1099
1100 v = *datap < 0 ? 1U : 0U;
1101 spb = opj_t1_getspb(lu);
1102 #ifdef DEBUG_ENC_CLN
1103 printf(" spb=%d\n", spb);
1104 #endif
1105 opj_mqc_encode(mqc, v ^ spb);
1106 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (ci == 0)) ? 1 : 0;
1107 opj_t1_update_flags(flagsp, ci, v, t1->w + 2U, vsc);
1108 }
1109 }
1110 *flagsp &= ~(T1_PI_THIS << (3U * ci));
1111 datap += t1->data_stride;
1112 }
1113 }
1114
1115 #define opj_t1_dec_clnpass_step_macro(check_flags, partial, \
1116 flags, flagsp, flags_stride, data, \
1117 data_stride, ci, mqc, curctx, \
1118 v, a, c, ct, oneplushalf, vsc) \
1119 { \
1120 if ( !check_flags || !(flags & ((T1_SIGMA_THIS | T1_PI_THIS) << (ci * 3U)))) {\
1121 do { \
1122 if( !partial ) { \
1123 OPJ_UINT32 ctxt1 = opj_t1_getctxno_zc(mqc, flags >> (ci * 3U)); \
1124 opj_t1_setcurctx(curctx, ctxt1); \
1125 opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
1126 if( !v ) \
1127 break; \
1128 } \
1129 { \
1130 OPJ_UINT32 lu = opj_t1_getctxtno_sc_or_spb_index( \
1131 flags, flagsp[-1], flagsp[1], \
1132 ci); \
1133 opj_t1_setcurctx(curctx, opj_t1_getctxno_sc(lu)); \
1134 opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
1135 v = v ^ opj_t1_getspb(lu); \
1136 data[ci*data_stride] = v ? -oneplushalf : oneplushalf; \
1137 opj_t1_update_flags_macro(flags, flagsp, ci, v, flags_stride, vsc); \
1138 } \
1139 } while(0); \
1140 } \
1141 }
1142
opj_t1_dec_clnpass_step(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 oneplushalf,OPJ_UINT32 ci,OPJ_UINT32 vsc)1143 static void opj_t1_dec_clnpass_step(
1144 opj_t1_t *t1,
1145 opj_flag_t *flagsp,
1146 OPJ_INT32 *datap,
1147 OPJ_INT32 oneplushalf,
1148 OPJ_UINT32 ci,
1149 OPJ_UINT32 vsc)
1150 {
1151 OPJ_UINT32 v;
1152
1153 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
1154 opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE,
1155 *flagsp, flagsp, t1->w + 2U, datap,
1156 0, ci, mqc, mqc->curctx,
1157 v, mqc->a, mqc->c, mqc->ct, oneplushalf, vsc);
1158 }
1159
opj_t1_enc_clnpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 * nmsedec,OPJ_UINT32 cblksty)1160 static void opj_t1_enc_clnpass(
1161 opj_t1_t *t1,
1162 OPJ_INT32 bpno,
1163 OPJ_INT32 *nmsedec,
1164 OPJ_UINT32 cblksty)
1165 {
1166 OPJ_UINT32 i, k;
1167 const OPJ_INT32 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
1168 OPJ_UINT32 agg, runlen;
1169
1170 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
1171
1172 *nmsedec = 0;
1173 #ifdef DEBUG_ENC_CLN
1174 printf("enc_clnpass: bpno=%d\n", bpno);
1175 #endif
1176 for (k = 0; k < (t1->h & ~3U); k += 4) {
1177 #ifdef DEBUG_ENC_CLN
1178 printf(" k=%d\n", k);
1179 #endif
1180 for (i = 0; i < t1->w; ++i) {
1181 #ifdef DEBUG_ENC_CLN
1182 printf(" i=%d\n", i);
1183 #endif
1184 agg = !(T1_FLAGS(i, k));
1185 #ifdef DEBUG_ENC_CLN
1186 printf(" agg=%d\n", agg);
1187 #endif
1188 if (agg) {
1189 for (runlen = 0; runlen < 4; ++runlen) {
1190 if (opj_int_abs(t1->data[((k + runlen)*t1->data_stride) + i]) & one) {
1191 break;
1192 }
1193 }
1194 opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
1195 opj_mqc_encode(mqc, runlen != 4);
1196 if (runlen == 4) {
1197 continue;
1198 }
1199 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
1200 opj_mqc_encode(mqc, runlen >> 1);
1201 opj_mqc_encode(mqc, runlen & 1);
1202 } else {
1203 runlen = 0;
1204 }
1205 opj_t1_enc_clnpass_step(
1206 t1,
1207 &T1_FLAGS(i, k),
1208 &t1->data[((k + runlen) * t1->data_stride) + i],
1209 bpno,
1210 one,
1211 nmsedec,
1212 agg,
1213 runlen,
1214 4U,
1215 cblksty);
1216 }
1217 }
1218 if (k < t1->h) {
1219 agg = 0;
1220 runlen = 0;
1221 #ifdef DEBUG_ENC_CLN
1222 printf(" k=%d\n", k);
1223 #endif
1224 for (i = 0; i < t1->w; ++i) {
1225 #ifdef DEBUG_ENC_CLN
1226 printf(" i=%d\n", i);
1227 printf(" agg=%d\n", agg);
1228 #endif
1229 opj_t1_enc_clnpass_step(
1230 t1,
1231 &T1_FLAGS(i, k),
1232 &t1->data[((k + runlen) * t1->data_stride) + i],
1233 bpno,
1234 one,
1235 nmsedec,
1236 agg,
1237 runlen,
1238 t1->h - k,
1239 cblksty);
1240 }
1241 }
1242 }
1243
1244 #define opj_t1_dec_clnpass_internal(t1, bpno, vsc, w, h, flags_stride) \
1245 { \
1246 OPJ_INT32 one, half, oneplushalf; \
1247 OPJ_UINT32 runlen; \
1248 OPJ_UINT32 i, j, k; \
1249 const OPJ_UINT32 l_w = w; \
1250 opj_mqc_t* mqc = &(t1->mqc); \
1251 register OPJ_INT32 *data = t1->data; \
1252 register opj_flag_t *flagsp = &t1->flags[flags_stride + 1]; \
1253 DOWNLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
1254 register OPJ_UINT32 v; \
1255 one = 1 << bpno; \
1256 half = one >> 1; \
1257 oneplushalf = one | half; \
1258 for (k = 0; k < (h & ~3u); k += 4, data += 3*l_w, flagsp += 2) { \
1259 for (i = 0; i < l_w; ++i, ++data, ++flagsp) { \
1260 opj_flag_t flags = *flagsp; \
1261 if (flags == 0) { \
1262 OPJ_UINT32 partial = OPJ_TRUE; \
1263 opj_t1_setcurctx(curctx, T1_CTXNO_AGG); \
1264 opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
1265 if (!v) { \
1266 continue; \
1267 } \
1268 opj_t1_setcurctx(curctx, T1_CTXNO_UNI); \
1269 opj_mqc_decode_macro(runlen, mqc, curctx, a, c, ct); \
1270 opj_mqc_decode_macro(v, mqc, curctx, a, c, ct); \
1271 runlen = (runlen << 1) | v; \
1272 switch(runlen) { \
1273 case 0: \
1274 opj_t1_dec_clnpass_step_macro(OPJ_FALSE, OPJ_TRUE,\
1275 flags, flagsp, flags_stride, data, \
1276 l_w, 0, mqc, curctx, \
1277 v, a, c, ct, oneplushalf, vsc); \
1278 partial = OPJ_FALSE; \
1279 /* FALLTHRU */ \
1280 case 1: \
1281 opj_t1_dec_clnpass_step_macro(OPJ_FALSE, partial,\
1282 flags, flagsp, flags_stride, data, \
1283 l_w, 1, mqc, curctx, \
1284 v, a, c, ct, oneplushalf, OPJ_FALSE); \
1285 partial = OPJ_FALSE; \
1286 /* FALLTHRU */ \
1287 case 2: \
1288 opj_t1_dec_clnpass_step_macro(OPJ_FALSE, partial,\
1289 flags, flagsp, flags_stride, data, \
1290 l_w, 2, mqc, curctx, \
1291 v, a, c, ct, oneplushalf, OPJ_FALSE); \
1292 partial = OPJ_FALSE; \
1293 /* FALLTHRU */ \
1294 case 3: \
1295 opj_t1_dec_clnpass_step_macro(OPJ_FALSE, partial,\
1296 flags, flagsp, flags_stride, data, \
1297 l_w, 3, mqc, curctx, \
1298 v, a, c, ct, oneplushalf, OPJ_FALSE); \
1299 break; \
1300 } \
1301 } else { \
1302 opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, \
1303 flags, flagsp, flags_stride, data, \
1304 l_w, 0, mqc, curctx, \
1305 v, a, c, ct, oneplushalf, vsc); \
1306 opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, \
1307 flags, flagsp, flags_stride, data, \
1308 l_w, 1, mqc, curctx, \
1309 v, a, c, ct, oneplushalf, OPJ_FALSE); \
1310 opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, \
1311 flags, flagsp, flags_stride, data, \
1312 l_w, 2, mqc, curctx, \
1313 v, a, c, ct, oneplushalf, OPJ_FALSE); \
1314 opj_t1_dec_clnpass_step_macro(OPJ_TRUE, OPJ_FALSE, \
1315 flags, flagsp, flags_stride, data, \
1316 l_w, 3, mqc, curctx, \
1317 v, a, c, ct, oneplushalf, OPJ_FALSE); \
1318 } \
1319 *flagsp = flags & ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \
1320 } \
1321 } \
1322 UPLOAD_MQC_VARIABLES(mqc, curctx, c, a, ct); \
1323 if( k < h ) { \
1324 for (i = 0; i < l_w; ++i, ++flagsp, ++data) { \
1325 for (j = 0; j < h - k; ++j) { \
1326 opj_t1_dec_clnpass_step(t1, flagsp, data + j * l_w, oneplushalf, j, vsc); \
1327 } \
1328 *flagsp &= ~(T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3); \
1329 } \
1330 } \
1331 }
1332
opj_t1_dec_clnpass_check_segsym(opj_t1_t * t1,OPJ_INT32 cblksty)1333 static void opj_t1_dec_clnpass_check_segsym(opj_t1_t *t1, OPJ_INT32 cblksty)
1334 {
1335 if (cblksty & J2K_CCP_CBLKSTY_SEGSYM) {
1336 opj_mqc_t* mqc = &(t1->mqc);
1337 OPJ_UINT32 v, v2;
1338 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
1339 opj_mqc_decode(v, mqc);
1340 opj_mqc_decode(v2, mqc);
1341 v = (v << 1) | v2;
1342 opj_mqc_decode(v2, mqc);
1343 v = (v << 1) | v2;
1344 opj_mqc_decode(v2, mqc);
1345 v = (v << 1) | v2;
1346 /*
1347 if (v!=0xa) {
1348 opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);
1349 }
1350 */
1351 }
1352 }
1353
opj_t1_dec_clnpass_64x64_novsc(opj_t1_t * t1,OPJ_INT32 bpno)1354 static void opj_t1_dec_clnpass_64x64_novsc(
1355 opj_t1_t *t1,
1356 OPJ_INT32 bpno)
1357 {
1358 opj_t1_dec_clnpass_internal(t1, bpno, OPJ_FALSE, 64, 64, 66);
1359 }
1360
opj_t1_dec_clnpass_64x64_vsc(opj_t1_t * t1,OPJ_INT32 bpno)1361 static void opj_t1_dec_clnpass_64x64_vsc(
1362 opj_t1_t *t1,
1363 OPJ_INT32 bpno)
1364 {
1365 opj_t1_dec_clnpass_internal(t1, bpno, OPJ_TRUE, 64, 64, 66);
1366 }
1367
opj_t1_dec_clnpass_generic_novsc(opj_t1_t * t1,OPJ_INT32 bpno)1368 static void opj_t1_dec_clnpass_generic_novsc(
1369 opj_t1_t *t1,
1370 OPJ_INT32 bpno)
1371 {
1372 opj_t1_dec_clnpass_internal(t1, bpno, OPJ_FALSE, t1->w, t1->h,
1373 t1->w + 2U);
1374 }
1375
opj_t1_dec_clnpass_generic_vsc(opj_t1_t * t1,OPJ_INT32 bpno)1376 static void opj_t1_dec_clnpass_generic_vsc(
1377 opj_t1_t *t1,
1378 OPJ_INT32 bpno)
1379 {
1380 opj_t1_dec_clnpass_internal(t1, bpno, OPJ_TRUE, t1->w, t1->h,
1381 t1->w + 2U);
1382 }
1383
opj_t1_dec_clnpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 cblksty)1384 static void opj_t1_dec_clnpass(
1385 opj_t1_t *t1,
1386 OPJ_INT32 bpno,
1387 OPJ_INT32 cblksty)
1388 {
1389 if (t1->w == 64 && t1->h == 64) {
1390 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
1391 opj_t1_dec_clnpass_64x64_vsc(t1, bpno);
1392 } else {
1393 opj_t1_dec_clnpass_64x64_novsc(t1, bpno);
1394 }
1395 } else {
1396 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
1397 opj_t1_dec_clnpass_generic_vsc(t1, bpno);
1398 } else {
1399 opj_t1_dec_clnpass_generic_novsc(t1, bpno);
1400 }
1401 }
1402 opj_t1_dec_clnpass_check_segsym(t1, cblksty);
1403 }
1404
1405
1406 /** mod fixed_quality */
opj_t1_getwmsedec(OPJ_INT32 nmsedec,OPJ_UINT32 compno,OPJ_UINT32 level,OPJ_UINT32 orient,OPJ_INT32 bpno,OPJ_UINT32 qmfbid,OPJ_FLOAT64 stepsize,OPJ_UINT32 numcomps,const OPJ_FLOAT64 * mct_norms,OPJ_UINT32 mct_numcomps)1407 static OPJ_FLOAT64 opj_t1_getwmsedec(
1408 OPJ_INT32 nmsedec,
1409 OPJ_UINT32 compno,
1410 OPJ_UINT32 level,
1411 OPJ_UINT32 orient,
1412 OPJ_INT32 bpno,
1413 OPJ_UINT32 qmfbid,
1414 OPJ_FLOAT64 stepsize,
1415 OPJ_UINT32 numcomps,
1416 const OPJ_FLOAT64 * mct_norms,
1417 OPJ_UINT32 mct_numcomps)
1418 {
1419 OPJ_FLOAT64 w1 = 1, w2, wmsedec;
1420 OPJ_ARG_NOT_USED(numcomps);
1421
1422 if (mct_norms && (compno < mct_numcomps)) {
1423 w1 = mct_norms[compno];
1424 }
1425
1426 if (qmfbid == 1) {
1427 w2 = opj_dwt_getnorm(level, orient);
1428 } else { /* if (qmfbid == 0) */
1429 w2 = opj_dwt_getnorm_real(level, orient);
1430 }
1431
1432 wmsedec = w1 * w2 * stepsize * (1 << bpno);
1433 wmsedec *= wmsedec * nmsedec / 8192.0;
1434
1435 return wmsedec;
1436 }
1437
opj_t1_allocate_buffers(opj_t1_t * t1,OPJ_UINT32 w,OPJ_UINT32 h)1438 static OPJ_BOOL opj_t1_allocate_buffers(
1439 opj_t1_t *t1,
1440 OPJ_UINT32 w,
1441 OPJ_UINT32 h)
1442 {
1443 OPJ_UINT32 flagssize;
1444 OPJ_UINT32 flags_stride;
1445
1446 /* No risk of overflow. Prior checks ensure those assert are met */
1447 /* They are per the specification */
1448 assert(w <= 1024);
1449 assert(h <= 1024);
1450 assert(w * h <= 4096);
1451
1452 /* encoder uses tile buffer, so no need to allocate */
1453 if (!t1->encoder) {
1454 OPJ_UINT32 datasize = w * h;
1455
1456 if (datasize > t1->datasize) {
1457 opj_aligned_free(t1->data);
1458 t1->data = (OPJ_INT32*) opj_aligned_malloc(datasize * sizeof(OPJ_INT32));
1459 if (!t1->data) {
1460 /* FIXME event manager error callback */
1461 return OPJ_FALSE;
1462 }
1463 t1->datasize = datasize;
1464 }
1465 /* memset first arg is declared to never be null by gcc */
1466 if (t1->data != NULL) {
1467 memset(t1->data, 0, datasize * sizeof(OPJ_INT32));
1468 }
1469 }
1470
1471 flags_stride = w + 2U; /* can't be 0U */
1472
1473 flagssize = (h + 3U) / 4U + 2U;
1474
1475 flagssize *= flags_stride;
1476 {
1477 opj_flag_t* p;
1478 OPJ_UINT32 x;
1479 OPJ_UINT32 flags_height = (h + 3U) / 4U;
1480
1481 if (flagssize > t1->flagssize) {
1482
1483 opj_aligned_free(t1->flags);
1484 t1->flags = (opj_flag_t*) opj_aligned_malloc(flagssize * sizeof(
1485 opj_flag_t));
1486 if (!t1->flags) {
1487 /* FIXME event manager error callback */
1488 return OPJ_FALSE;
1489 }
1490 }
1491 t1->flagssize = flagssize;
1492
1493 memset(t1->flags, 0, flagssize * sizeof(opj_flag_t));
1494
1495 p = &t1->flags[0];
1496 for (x = 0; x < flags_stride; ++x) {
1497 /* magic value to hopefully stop any passes being interested in this entry */
1498 *p++ = (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
1499 }
1500
1501 p = &t1->flags[((flags_height + 1) * flags_stride)];
1502 for (x = 0; x < flags_stride; ++x) {
1503 /* magic value to hopefully stop any passes being interested in this entry */
1504 *p++ = (T1_PI_0 | T1_PI_1 | T1_PI_2 | T1_PI_3);
1505 }
1506
1507 if (h % 4) {
1508 OPJ_UINT32 v = 0;
1509 p = &t1->flags[((flags_height) * flags_stride)];
1510 if (h % 4 == 1) {
1511 v |= T1_PI_1 | T1_PI_2 | T1_PI_3;
1512 } else if (h % 4 == 2) {
1513 v |= T1_PI_2 | T1_PI_3;
1514 } else if (h % 4 == 3) {
1515 v |= T1_PI_3;
1516 }
1517 for (x = 0; x < flags_stride; ++x) {
1518 *p++ = v;
1519 }
1520 }
1521 }
1522
1523 t1->w = w;
1524 t1->h = h;
1525
1526 return OPJ_TRUE;
1527 }
1528
1529 /* ----------------------------------------------------------------------- */
1530
1531 /* ----------------------------------------------------------------------- */
1532 /**
1533 * Creates a new Tier 1 handle
1534 * and initializes the look-up tables of the Tier-1 coder/decoder
1535 * @return a new T1 handle if successful, returns NULL otherwise
1536 */
opj_t1_create(OPJ_BOOL isEncoder)1537 opj_t1_t* opj_t1_create(OPJ_BOOL isEncoder)
1538 {
1539 opj_t1_t *l_t1 = 00;
1540
1541 l_t1 = (opj_t1_t*) opj_calloc(1, sizeof(opj_t1_t));
1542 if (!l_t1) {
1543 return 00;
1544 }
1545
1546 l_t1->encoder = isEncoder;
1547
1548 return l_t1;
1549 }
1550
1551
1552 /**
1553 * Destroys a previously created T1 handle
1554 *
1555 * @param p_t1 Tier 1 handle to destroy
1556 */
opj_t1_destroy(opj_t1_t * p_t1)1557 void opj_t1_destroy(opj_t1_t *p_t1)
1558 {
1559 if (! p_t1) {
1560 return;
1561 }
1562
1563 /* encoder uses tile buffer, so no need to free */
1564 if (!p_t1->encoder && p_t1->data) {
1565 opj_aligned_free(p_t1->data);
1566 p_t1->data = 00;
1567 }
1568
1569 if (p_t1->flags) {
1570 opj_aligned_free(p_t1->flags);
1571 p_t1->flags = 00;
1572 }
1573
1574 opj_free(p_t1->cblkdatabuffer);
1575
1576 opj_free(p_t1);
1577 }
1578
1579 typedef struct {
1580 OPJ_BOOL whole_tile_decoding;
1581 OPJ_UINT32 resno;
1582 opj_tcd_cblk_dec_t* cblk;
1583 opj_tcd_band_t* band;
1584 opj_tcd_tilecomp_t* tilec;
1585 opj_tccp_t* tccp;
1586 OPJ_BOOL mustuse_cblkdatabuffer;
1587 volatile OPJ_BOOL* pret;
1588 opj_event_mgr_t *p_manager;
1589 opj_mutex_t* p_manager_mutex;
1590 OPJ_BOOL check_pterm;
1591 } opj_t1_cblk_decode_processing_job_t;
1592
opj_t1_destroy_wrapper(void * t1)1593 static void opj_t1_destroy_wrapper(void* t1)
1594 {
1595 opj_t1_destroy((opj_t1_t*) t1);
1596 }
1597
opj_t1_clbl_decode_processor(void * user_data,opj_tls_t * tls)1598 static void opj_t1_clbl_decode_processor(void* user_data, opj_tls_t* tls)
1599 {
1600 opj_tcd_cblk_dec_t* cblk;
1601 opj_tcd_band_t* band;
1602 opj_tcd_tilecomp_t* tilec;
1603 opj_tccp_t* tccp;
1604 OPJ_INT32* OPJ_RESTRICT datap;
1605 OPJ_UINT32 cblk_w, cblk_h;
1606 OPJ_INT32 x, y;
1607 OPJ_UINT32 i, j;
1608 opj_t1_cblk_decode_processing_job_t* job;
1609 opj_t1_t* t1;
1610 OPJ_UINT32 resno;
1611 OPJ_UINT32 tile_w;
1612
1613 job = (opj_t1_cblk_decode_processing_job_t*) user_data;
1614
1615 cblk = job->cblk;
1616
1617 if (!job->whole_tile_decoding) {
1618 cblk_w = (OPJ_UINT32)(cblk->x1 - cblk->x0);
1619 cblk_h = (OPJ_UINT32)(cblk->y1 - cblk->y0);
1620
1621 cblk->decoded_data = (OPJ_INT32*)opj_aligned_malloc(cblk_w * cblk_h * sizeof(
1622 OPJ_INT32));
1623 if (cblk->decoded_data == NULL) {
1624 if (job->p_manager_mutex) {
1625 opj_mutex_lock(job->p_manager_mutex);
1626 }
1627 opj_event_msg(job->p_manager, EVT_ERROR,
1628 "Cannot allocate cblk->decoded_data\n");
1629 if (job->p_manager_mutex) {
1630 opj_mutex_unlock(job->p_manager_mutex);
1631 }
1632 *(job->pret) = OPJ_FALSE;
1633 opj_free(job);
1634 return;
1635 }
1636 /* Zero-init required */
1637 memset(cblk->decoded_data, 0, cblk_w * cblk_h * sizeof(OPJ_INT32));
1638 } else if (cblk->decoded_data) {
1639 /* Not sure if that code path can happen, but better be */
1640 /* safe than sorry */
1641 opj_aligned_free(cblk->decoded_data);
1642 cblk->decoded_data = NULL;
1643 }
1644
1645 resno = job->resno;
1646 band = job->band;
1647 tilec = job->tilec;
1648 tccp = job->tccp;
1649 tile_w = (OPJ_UINT32)(tilec->resolutions[tilec->minimum_num_resolutions - 1].x1
1650 -
1651 tilec->resolutions[tilec->minimum_num_resolutions - 1].x0);
1652
1653 if (!*(job->pret)) {
1654 opj_free(job);
1655 return;
1656 }
1657
1658 t1 = (opj_t1_t*) opj_tls_get(tls, OPJ_TLS_KEY_T1);
1659 if (t1 == NULL) {
1660 t1 = opj_t1_create(OPJ_FALSE);
1661 opj_tls_set(tls, OPJ_TLS_KEY_T1, t1, opj_t1_destroy_wrapper);
1662 }
1663 t1->mustuse_cblkdatabuffer = job->mustuse_cblkdatabuffer;
1664
1665 if (OPJ_FALSE == opj_t1_decode_cblk(
1666 t1,
1667 cblk,
1668 band->bandno,
1669 (OPJ_UINT32)tccp->roishift,
1670 tccp->cblksty,
1671 job->p_manager,
1672 job->p_manager_mutex,
1673 job->check_pterm)) {
1674 *(job->pret) = OPJ_FALSE;
1675 opj_free(job);
1676 return;
1677 }
1678
1679 x = cblk->x0 - band->x0;
1680 y = cblk->y0 - band->y0;
1681 if (band->bandno & 1) {
1682 opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
1683 x += pres->x1 - pres->x0;
1684 }
1685 if (band->bandno & 2) {
1686 opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
1687 y += pres->y1 - pres->y0;
1688 }
1689
1690 datap = cblk->decoded_data ? cblk->decoded_data : t1->data;
1691 cblk_w = t1->w;
1692 cblk_h = t1->h;
1693
1694 if (tccp->roishift) {
1695 if (tccp->roishift >= 31) {
1696 for (j = 0; j < cblk_h; ++j) {
1697 for (i = 0; i < cblk_w; ++i) {
1698 datap[(j * cblk_w) + i] = 0;
1699 }
1700 }
1701 } else {
1702 OPJ_INT32 thresh = 1 << tccp->roishift;
1703 for (j = 0; j < cblk_h; ++j) {
1704 for (i = 0; i < cblk_w; ++i) {
1705 OPJ_INT32 val = datap[(j * cblk_w) + i];
1706 OPJ_INT32 mag = abs(val);
1707 if (mag >= thresh) {
1708 mag >>= tccp->roishift;
1709 datap[(j * cblk_w) + i] = val < 0 ? -mag : mag;
1710 }
1711 }
1712 }
1713 }
1714 }
1715
1716 /* Both can be non NULL if for example decoding a full tile and then */
1717 /* partially a tile. In which case partial decoding should be the */
1718 /* priority */
1719 assert((cblk->decoded_data != NULL) || (tilec->data != NULL));
1720
1721 if (cblk->decoded_data) {
1722 OPJ_UINT32 cblk_size = cblk_w * cblk_h;
1723 if (tccp->qmfbid == 1) {
1724 for (i = 0; i < cblk_size; ++i) {
1725 datap[i] /= 2;
1726 }
1727 } else { /* if (tccp->qmfbid == 0) */
1728 i = 0;
1729 #ifdef __SSE2__
1730 {
1731 const __m128 xmm_stepsize = _mm_set1_ps(band->stepsize);
1732 for (; i < (cblk_size & ~15U); i += 16) {
1733 __m128 xmm0_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)(
1734 datap + 0)));
1735 __m128 xmm1_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)(
1736 datap + 4)));
1737 __m128 xmm2_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)(
1738 datap + 8)));
1739 __m128 xmm3_data = _mm_cvtepi32_ps(_mm_load_si128((__m128i * const)(
1740 datap + 12)));
1741 _mm_store_ps((float*)(datap + 0), _mm_mul_ps(xmm0_data, xmm_stepsize));
1742 _mm_store_ps((float*)(datap + 4), _mm_mul_ps(xmm1_data, xmm_stepsize));
1743 _mm_store_ps((float*)(datap + 8), _mm_mul_ps(xmm2_data, xmm_stepsize));
1744 _mm_store_ps((float*)(datap + 12), _mm_mul_ps(xmm3_data, xmm_stepsize));
1745 datap += 16;
1746 }
1747 }
1748 #endif
1749 for (; i < cblk_size; ++i) {
1750 OPJ_FLOAT32 tmp = ((OPJ_FLOAT32)(*datap)) * band->stepsize;
1751 memcpy(datap, &tmp, sizeof(tmp));
1752 datap++;
1753 }
1754 }
1755 } else if (tccp->qmfbid == 1) {
1756 OPJ_INT32* OPJ_RESTRICT tiledp = &tilec->data[(OPJ_SIZE_T)y * tile_w +
1757 (OPJ_SIZE_T)x];
1758 for (j = 0; j < cblk_h; ++j) {
1759 i = 0;
1760 for (; i < (cblk_w & ~(OPJ_UINT32)3U); i += 4U) {
1761 OPJ_INT32 tmp0 = datap[(j * cblk_w) + i + 0U];
1762 OPJ_INT32 tmp1 = datap[(j * cblk_w) + i + 1U];
1763 OPJ_INT32 tmp2 = datap[(j * cblk_w) + i + 2U];
1764 OPJ_INT32 tmp3 = datap[(j * cblk_w) + i + 3U];
1765 ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i + 0U] = tmp0 / 2;
1766 ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i + 1U] = tmp1 / 2;
1767 ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i + 2U] = tmp2 / 2;
1768 ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i + 3U] = tmp3 / 2;
1769 }
1770 for (; i < cblk_w; ++i) {
1771 OPJ_INT32 tmp = datap[(j * cblk_w) + i];
1772 ((OPJ_INT32*)tiledp)[(j * (OPJ_SIZE_T)tile_w) + i] = tmp / 2;
1773 }
1774 }
1775 } else { /* if (tccp->qmfbid == 0) */
1776 OPJ_FLOAT32* OPJ_RESTRICT tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_SIZE_T)y *
1777 tile_w + (OPJ_SIZE_T)x];
1778 for (j = 0; j < cblk_h; ++j) {
1779 OPJ_FLOAT32* OPJ_RESTRICT tiledp2 = tiledp;
1780 for (i = 0; i < cblk_w; ++i) {
1781 OPJ_FLOAT32 tmp = (OPJ_FLOAT32) * datap * band->stepsize;
1782 *tiledp2 = tmp;
1783 datap++;
1784 tiledp2++;
1785 }
1786 tiledp += tile_w;
1787 }
1788 }
1789
1790 opj_free(job);
1791 }
1792
1793
opj_t1_decode_cblks(opj_tcd_t * tcd,volatile OPJ_BOOL * pret,opj_tcd_tilecomp_t * tilec,opj_tccp_t * tccp,opj_event_mgr_t * p_manager,opj_mutex_t * p_manager_mutex,OPJ_BOOL check_pterm)1794 void opj_t1_decode_cblks(opj_tcd_t* tcd,
1795 volatile OPJ_BOOL* pret,
1796 opj_tcd_tilecomp_t* tilec,
1797 opj_tccp_t* tccp,
1798 opj_event_mgr_t *p_manager,
1799 opj_mutex_t* p_manager_mutex,
1800 OPJ_BOOL check_pterm
1801 )
1802 {
1803 opj_thread_pool_t* tp = tcd->thread_pool;
1804 OPJ_UINT32 resno, bandno, precno, cblkno;
1805
1806 #ifdef DEBUG_VERBOSE
1807 OPJ_UINT32 codeblocks_decoded = 0;
1808 printf("Enter opj_t1_decode_cblks()\n");
1809 #endif
1810
1811 for (resno = 0; resno < tilec->minimum_num_resolutions; ++resno) {
1812 opj_tcd_resolution_t* res = &tilec->resolutions[resno];
1813
1814 for (bandno = 0; bandno < res->numbands; ++bandno) {
1815 opj_tcd_band_t* OPJ_RESTRICT band = &res->bands[bandno];
1816
1817 for (precno = 0; precno < res->pw * res->ph; ++precno) {
1818 opj_tcd_precinct_t* precinct = &band->precincts[precno];
1819
1820 if (!opj_tcd_is_subband_area_of_interest(tcd,
1821 tilec->compno,
1822 resno,
1823 band->bandno,
1824 (OPJ_UINT32)precinct->x0,
1825 (OPJ_UINT32)precinct->y0,
1826 (OPJ_UINT32)precinct->x1,
1827 (OPJ_UINT32)precinct->y1)) {
1828 for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
1829 opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno];
1830 if (cblk->decoded_data) {
1831 #ifdef DEBUG_VERBOSE
1832 printf("Discarding codeblock %d,%d at resno=%d, bandno=%d\n",
1833 cblk->x0, cblk->y0, resno, bandno);
1834 #endif
1835 opj_aligned_free(cblk->decoded_data);
1836 cblk->decoded_data = NULL;
1837 }
1838 }
1839 continue;
1840 }
1841
1842 for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
1843 opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno];
1844 opj_t1_cblk_decode_processing_job_t* job;
1845
1846 if (!opj_tcd_is_subband_area_of_interest(tcd,
1847 tilec->compno,
1848 resno,
1849 band->bandno,
1850 (OPJ_UINT32)cblk->x0,
1851 (OPJ_UINT32)cblk->y0,
1852 (OPJ_UINT32)cblk->x1,
1853 (OPJ_UINT32)cblk->y1)) {
1854 if (cblk->decoded_data) {
1855 #ifdef DEBUG_VERBOSE
1856 printf("Discarding codeblock %d,%d at resno=%d, bandno=%d\n",
1857 cblk->x0, cblk->y0, resno, bandno);
1858 #endif
1859 opj_aligned_free(cblk->decoded_data);
1860 cblk->decoded_data = NULL;
1861 }
1862 continue;
1863 }
1864
1865 if (!tcd->whole_tile_decoding) {
1866 OPJ_UINT32 cblk_w = (OPJ_UINT32)(cblk->x1 - cblk->x0);
1867 OPJ_UINT32 cblk_h = (OPJ_UINT32)(cblk->y1 - cblk->y0);
1868 if (cblk->decoded_data != NULL) {
1869 #ifdef DEBUG_VERBOSE
1870 printf("Reusing codeblock %d,%d at resno=%d, bandno=%d\n",
1871 cblk->x0, cblk->y0, resno, bandno);
1872 #endif
1873 continue;
1874 }
1875 if (cblk_w == 0 || cblk_h == 0) {
1876 continue;
1877 }
1878 #ifdef DEBUG_VERBOSE
1879 printf("Decoding codeblock %d,%d at resno=%d, bandno=%d\n",
1880 cblk->x0, cblk->y0, resno, bandno);
1881 #endif
1882 }
1883
1884 job = (opj_t1_cblk_decode_processing_job_t*) opj_calloc(1,
1885 sizeof(opj_t1_cblk_decode_processing_job_t));
1886 if (!job) {
1887 *pret = OPJ_FALSE;
1888 return;
1889 }
1890 job->whole_tile_decoding = tcd->whole_tile_decoding;
1891 job->resno = resno;
1892 job->cblk = cblk;
1893 job->band = band;
1894 job->tilec = tilec;
1895 job->tccp = tccp;
1896 job->pret = pret;
1897 job->p_manager_mutex = p_manager_mutex;
1898 job->p_manager = p_manager;
1899 job->check_pterm = check_pterm;
1900 job->mustuse_cblkdatabuffer = opj_thread_pool_get_thread_count(tp) > 1;
1901 opj_thread_pool_submit_job(tp, opj_t1_clbl_decode_processor, job);
1902 #ifdef DEBUG_VERBOSE
1903 codeblocks_decoded ++;
1904 #endif
1905 if (!(*pret)) {
1906 return;
1907 }
1908 } /* cblkno */
1909 } /* precno */
1910 } /* bandno */
1911 } /* resno */
1912
1913 #ifdef DEBUG_VERBOSE
1914 printf("Leave opj_t1_decode_cblks(). Number decoded: %d\n", codeblocks_decoded);
1915 #endif
1916 return;
1917 }
1918
1919
opj_t1_decode_cblk(opj_t1_t * t1,opj_tcd_cblk_dec_t * cblk,OPJ_UINT32 orient,OPJ_UINT32 roishift,OPJ_UINT32 cblksty,opj_event_mgr_t * p_manager,opj_mutex_t * p_manager_mutex,OPJ_BOOL check_pterm)1920 static OPJ_BOOL opj_t1_decode_cblk(opj_t1_t *t1,
1921 opj_tcd_cblk_dec_t* cblk,
1922 OPJ_UINT32 orient,
1923 OPJ_UINT32 roishift,
1924 OPJ_UINT32 cblksty,
1925 opj_event_mgr_t *p_manager,
1926 opj_mutex_t* p_manager_mutex,
1927 OPJ_BOOL check_pterm)
1928 {
1929 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
1930
1931 OPJ_INT32 bpno_plus_one;
1932 OPJ_UINT32 passtype;
1933 OPJ_UINT32 segno, passno;
1934 OPJ_BYTE* cblkdata = NULL;
1935 OPJ_UINT32 cblkdataindex = 0;
1936 OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */
1937 OPJ_INT32* original_t1_data = NULL;
1938
1939 mqc->lut_ctxno_zc_orient = lut_ctxno_zc + (orient << 9);
1940
1941 if (!opj_t1_allocate_buffers(
1942 t1,
1943 (OPJ_UINT32)(cblk->x1 - cblk->x0),
1944 (OPJ_UINT32)(cblk->y1 - cblk->y0))) {
1945 return OPJ_FALSE;
1946 }
1947
1948 bpno_plus_one = (OPJ_INT32)(roishift + cblk->numbps);
1949 if (bpno_plus_one >= 31) {
1950 if (p_manager_mutex) {
1951 opj_mutex_lock(p_manager_mutex);
1952 }
1953 opj_event_msg(p_manager, EVT_WARNING,
1954 "opj_t1_decode_cblk(): unsupported bpno_plus_one = %d >= 31\n",
1955 bpno_plus_one);
1956 if (p_manager_mutex) {
1957 opj_mutex_unlock(p_manager_mutex);
1958 }
1959 return OPJ_FALSE;
1960 }
1961 passtype = 2;
1962
1963 opj_mqc_resetstates(mqc);
1964 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
1965 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
1966 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
1967
1968 /* Even if we have a single chunk, in multi-threaded decoding */
1969 /* the insertion of our synthetic marker might potentially override */
1970 /* valid codestream of other codeblocks decoded in parallel. */
1971 if (cblk->numchunks > 1 || t1->mustuse_cblkdatabuffer) {
1972 OPJ_UINT32 i;
1973 OPJ_UINT32 cblk_len;
1974
1975 /* Compute whole codeblock length from chunk lengths */
1976 cblk_len = 0;
1977 for (i = 0; i < cblk->numchunks; i++) {
1978 cblk_len += cblk->chunks[i].len;
1979 }
1980
1981 /* Allocate temporary memory if needed */
1982 if (cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA > t1->cblkdatabuffersize) {
1983 cblkdata = (OPJ_BYTE*)opj_realloc(t1->cblkdatabuffer,
1984 cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA);
1985 if (cblkdata == NULL) {
1986 return OPJ_FALSE;
1987 }
1988 t1->cblkdatabuffer = cblkdata;
1989 memset(t1->cblkdatabuffer + cblk_len, 0, OPJ_COMMON_CBLK_DATA_EXTRA);
1990 t1->cblkdatabuffersize = cblk_len + OPJ_COMMON_CBLK_DATA_EXTRA;
1991 }
1992
1993 /* Concatenate all chunks */
1994 cblkdata = t1->cblkdatabuffer;
1995 cblk_len = 0;
1996 for (i = 0; i < cblk->numchunks; i++) {
1997 memcpy(cblkdata + cblk_len, cblk->chunks[i].data, cblk->chunks[i].len);
1998 cblk_len += cblk->chunks[i].len;
1999 }
2000 } else if (cblk->numchunks == 1) {
2001 cblkdata = cblk->chunks[0].data;
2002 } else {
2003 /* Not sure if that can happen in practice, but avoid Coverity to */
2004 /* think we will dereference a null cblkdta pointer */
2005 return OPJ_TRUE;
2006 }
2007
2008 /* For subtile decoding, directly decode in the decoded_data buffer of */
2009 /* the code-block. Hack t1->data to point to it, and restore it later */
2010 if (cblk->decoded_data) {
2011 original_t1_data = t1->data;
2012 t1->data = cblk->decoded_data;
2013 }
2014
2015 for (segno = 0; segno < cblk->real_num_segs; ++segno) {
2016 opj_tcd_seg_t *seg = &cblk->segs[segno];
2017
2018 /* BYPASS mode */
2019 type = ((bpno_plus_one <= ((OPJ_INT32)(cblk->numbps)) - 4) && (passtype < 2) &&
2020 (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
2021
2022 if (type == T1_TYPE_RAW) {
2023 opj_mqc_raw_init_dec(mqc, cblkdata + cblkdataindex, seg->len,
2024 OPJ_COMMON_CBLK_DATA_EXTRA);
2025 } else {
2026 opj_mqc_init_dec(mqc, cblkdata + cblkdataindex, seg->len,
2027 OPJ_COMMON_CBLK_DATA_EXTRA);
2028 }
2029 cblkdataindex += seg->len;
2030
2031 for (passno = 0; (passno < seg->real_num_passes) &&
2032 (bpno_plus_one >= 1); ++passno) {
2033 switch (passtype) {
2034 case 0:
2035 if (type == T1_TYPE_RAW) {
2036 opj_t1_dec_sigpass_raw(t1, bpno_plus_one, (OPJ_INT32)cblksty);
2037 } else {
2038 opj_t1_dec_sigpass_mqc(t1, bpno_plus_one, (OPJ_INT32)cblksty);
2039 }
2040 break;
2041 case 1:
2042 if (type == T1_TYPE_RAW) {
2043 opj_t1_dec_refpass_raw(t1, bpno_plus_one);
2044 } else {
2045 opj_t1_dec_refpass_mqc(t1, bpno_plus_one);
2046 }
2047 break;
2048 case 2:
2049 opj_t1_dec_clnpass(t1, bpno_plus_one, (OPJ_INT32)cblksty);
2050 break;
2051 }
2052
2053 if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
2054 opj_mqc_resetstates(mqc);
2055 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
2056 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
2057 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
2058 }
2059 if (++passtype == 3) {
2060 passtype = 0;
2061 bpno_plus_one--;
2062 }
2063 }
2064
2065 opq_mqc_finish_dec(mqc);
2066 }
2067
2068 if (check_pterm) {
2069 if (mqc->bp + 2 < mqc->end) {
2070 if (p_manager_mutex) {
2071 opj_mutex_lock(p_manager_mutex);
2072 }
2073 opj_event_msg(p_manager, EVT_WARNING,
2074 "PTERM check failure: %d remaining bytes in code block (%d used / %d)\n",
2075 (int)(mqc->end - mqc->bp) - 2,
2076 (int)(mqc->bp - mqc->start),
2077 (int)(mqc->end - mqc->start));
2078 if (p_manager_mutex) {
2079 opj_mutex_unlock(p_manager_mutex);
2080 }
2081 } else if (mqc->end_of_byte_stream_counter > 2) {
2082 if (p_manager_mutex) {
2083 opj_mutex_lock(p_manager_mutex);
2084 }
2085 opj_event_msg(p_manager, EVT_WARNING,
2086 "PTERM check failure: %d synthetized 0xFF markers read\n",
2087 mqc->end_of_byte_stream_counter);
2088 if (p_manager_mutex) {
2089 opj_mutex_unlock(p_manager_mutex);
2090 }
2091 }
2092 }
2093
2094 /* Restore original t1->data is needed */
2095 if (cblk->decoded_data) {
2096 t1->data = original_t1_data;
2097 }
2098
2099 return OPJ_TRUE;
2100 }
2101
2102
2103
2104
opj_t1_encode_cblks(opj_t1_t * t1,opj_tcd_tile_t * tile,opj_tcp_t * tcp,const OPJ_FLOAT64 * mct_norms,OPJ_UINT32 mct_numcomps)2105 OPJ_BOOL opj_t1_encode_cblks(opj_t1_t *t1,
2106 opj_tcd_tile_t *tile,
2107 opj_tcp_t *tcp,
2108 const OPJ_FLOAT64 * mct_norms,
2109 OPJ_UINT32 mct_numcomps
2110 )
2111 {
2112 OPJ_UINT32 compno, resno, bandno, precno, cblkno;
2113
2114 tile->distotile = 0; /* fixed_quality */
2115
2116 for (compno = 0; compno < tile->numcomps; ++compno) {
2117 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
2118 opj_tccp_t* tccp = &tcp->tccps[compno];
2119 OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
2120
2121 for (resno = 0; resno < tilec->numresolutions; ++resno) {
2122 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
2123
2124 for (bandno = 0; bandno < res->numbands; ++bandno) {
2125 opj_tcd_band_t* OPJ_RESTRICT band = &res->bands[bandno];
2126 OPJ_INT32 bandconst;
2127
2128 /* Skip empty bands */
2129 if (opj_tcd_is_band_empty(band)) {
2130 continue;
2131 }
2132
2133 bandconst = 8192 * 8192 / ((OPJ_INT32) floor(band->stepsize * 8192));
2134 for (precno = 0; precno < res->pw * res->ph; ++precno) {
2135 opj_tcd_precinct_t *prc = &band->precincts[precno];
2136
2137 for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
2138 opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
2139 OPJ_INT32* OPJ_RESTRICT tiledp;
2140 OPJ_UINT32 cblk_w;
2141 OPJ_UINT32 cblk_h;
2142 OPJ_UINT32 i, j, tileLineAdvance;
2143 OPJ_SIZE_T tileIndex = 0;
2144
2145 OPJ_INT32 x = cblk->x0 - band->x0;
2146 OPJ_INT32 y = cblk->y0 - band->y0;
2147 if (band->bandno & 1) {
2148 opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
2149 x += pres->x1 - pres->x0;
2150 }
2151 if (band->bandno & 2) {
2152 opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
2153 y += pres->y1 - pres->y0;
2154 }
2155
2156 if (!opj_t1_allocate_buffers(
2157 t1,
2158 (OPJ_UINT32)(cblk->x1 - cblk->x0),
2159 (OPJ_UINT32)(cblk->y1 - cblk->y0))) {
2160 return OPJ_FALSE;
2161 }
2162
2163 cblk_w = t1->w;
2164 cblk_h = t1->h;
2165 tileLineAdvance = tile_w - cblk_w;
2166
2167 tiledp = &tilec->data[(OPJ_SIZE_T)y * tile_w + (OPJ_SIZE_T)x];
2168 t1->data = tiledp;
2169 t1->data_stride = tile_w;
2170 if (tccp->qmfbid == 1) {
2171 for (j = 0; j < cblk_h; ++j) {
2172 for (i = 0; i < cblk_w; ++i) {
2173 tiledp[tileIndex] *= (1 << T1_NMSEDEC_FRACBITS);
2174 tileIndex++;
2175 }
2176 tileIndex += tileLineAdvance;
2177 }
2178 } else { /* if (tccp->qmfbid == 0) */
2179 for (j = 0; j < cblk_h; ++j) {
2180 for (i = 0; i < cblk_w; ++i) {
2181 OPJ_INT32 tmp = tiledp[tileIndex];
2182 tiledp[tileIndex] =
2183 opj_int_fix_mul_t1(
2184 tmp,
2185 bandconst);
2186 tileIndex++;
2187 }
2188 tileIndex += tileLineAdvance;
2189 }
2190 }
2191
2192 opj_t1_encode_cblk(
2193 t1,
2194 cblk,
2195 band->bandno,
2196 compno,
2197 tilec->numresolutions - 1 - resno,
2198 tccp->qmfbid,
2199 band->stepsize,
2200 tccp->cblksty,
2201 tile->numcomps,
2202 tile,
2203 mct_norms,
2204 mct_numcomps);
2205
2206 } /* cblkno */
2207 } /* precno */
2208 } /* bandno */
2209 } /* resno */
2210 } /* compno */
2211 return OPJ_TRUE;
2212 }
2213
2214 /* Returns whether the pass (bpno, passtype) is terminated */
opj_t1_enc_is_term_pass(opj_tcd_cblk_enc_t * cblk,OPJ_UINT32 cblksty,OPJ_INT32 bpno,OPJ_UINT32 passtype)2215 static int opj_t1_enc_is_term_pass(opj_tcd_cblk_enc_t* cblk,
2216 OPJ_UINT32 cblksty,
2217 OPJ_INT32 bpno,
2218 OPJ_UINT32 passtype)
2219 {
2220 /* Is it the last cleanup pass ? */
2221 if (passtype == 2 && bpno == 0) {
2222 return OPJ_TRUE;
2223 }
2224
2225 if (cblksty & J2K_CCP_CBLKSTY_TERMALL) {
2226 return OPJ_TRUE;
2227 }
2228
2229 if ((cblksty & J2K_CCP_CBLKSTY_LAZY)) {
2230 /* For bypass arithmetic bypass, terminate the 4th cleanup pass */
2231 if ((bpno == ((OPJ_INT32)cblk->numbps - 4)) && (passtype == 2)) {
2232 return OPJ_TRUE;
2233 }
2234 /* and beyond terminate all the magnitude refinement passes (in raw) */
2235 /* and cleanup passes (in MQC) */
2236 if ((bpno < ((OPJ_INT32)(cblk->numbps) - 4)) && (passtype > 0)) {
2237 return OPJ_TRUE;
2238 }
2239 }
2240
2241 return OPJ_FALSE;
2242 }
2243
2244
2245 /** mod fixed_quality */
opj_t1_encode_cblk(opj_t1_t * t1,opj_tcd_cblk_enc_t * cblk,OPJ_UINT32 orient,OPJ_UINT32 compno,OPJ_UINT32 level,OPJ_UINT32 qmfbid,OPJ_FLOAT64 stepsize,OPJ_UINT32 cblksty,OPJ_UINT32 numcomps,opj_tcd_tile_t * tile,const OPJ_FLOAT64 * mct_norms,OPJ_UINT32 mct_numcomps)2246 static void opj_t1_encode_cblk(opj_t1_t *t1,
2247 opj_tcd_cblk_enc_t* cblk,
2248 OPJ_UINT32 orient,
2249 OPJ_UINT32 compno,
2250 OPJ_UINT32 level,
2251 OPJ_UINT32 qmfbid,
2252 OPJ_FLOAT64 stepsize,
2253 OPJ_UINT32 cblksty,
2254 OPJ_UINT32 numcomps,
2255 opj_tcd_tile_t * tile,
2256 const OPJ_FLOAT64 * mct_norms,
2257 OPJ_UINT32 mct_numcomps)
2258 {
2259 OPJ_FLOAT64 cumwmsedec = 0.0;
2260
2261 opj_mqc_t *mqc = &(t1->mqc); /* MQC component */
2262
2263 OPJ_UINT32 passno;
2264 OPJ_INT32 bpno;
2265 OPJ_UINT32 passtype;
2266 OPJ_INT32 nmsedec = 0;
2267 OPJ_INT32 max;
2268 OPJ_UINT32 i, j;
2269 OPJ_BYTE type = T1_TYPE_MQ;
2270 OPJ_FLOAT64 tempwmsedec;
2271
2272 #ifdef EXTRA_DEBUG
2273 printf("encode_cblk(x=%d,y=%d,x1=%d,y1=%d,orient=%d,compno=%d,level=%d\n",
2274 cblk->x0, cblk->y0, cblk->x1, cblk->y1, orient, compno, level);
2275 #endif
2276
2277 mqc->lut_ctxno_zc_orient = lut_ctxno_zc + (orient << 9);
2278
2279 max = 0;
2280 for (i = 0; i < t1->w; ++i) {
2281 for (j = 0; j < t1->h; ++j) {
2282 OPJ_INT32 tmp = abs(t1->data[i + j * t1->data_stride]);
2283 max = opj_int_max(max, tmp);
2284 }
2285 }
2286
2287 cblk->numbps = max ? (OPJ_UINT32)((opj_int_floorlog2(max) + 1) -
2288 T1_NMSEDEC_FRACBITS) : 0;
2289 if (cblk->numbps == 0) {
2290 cblk->totalpasses = 0;
2291 return;
2292 }
2293
2294 bpno = (OPJ_INT32)(cblk->numbps - 1);
2295 passtype = 2;
2296
2297 opj_mqc_resetstates(mqc);
2298 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
2299 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
2300 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
2301 opj_mqc_init_enc(mqc, cblk->data);
2302
2303 for (passno = 0; bpno >= 0; ++passno) {
2304 opj_tcd_pass_t *pass = &cblk->passes[passno];
2305 type = ((bpno < ((OPJ_INT32)(cblk->numbps) - 4)) && (passtype < 2) &&
2306 (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
2307
2308 /* If the previous pass was terminating, we need to reset the encoder */
2309 if (passno > 0 && cblk->passes[passno - 1].term) {
2310 if (type == T1_TYPE_RAW) {
2311 opj_mqc_bypass_init_enc(mqc);
2312 } else {
2313 opj_mqc_restart_init_enc(mqc);
2314 }
2315 }
2316
2317 switch (passtype) {
2318 case 0:
2319 opj_t1_enc_sigpass(t1, bpno, &nmsedec, type, cblksty);
2320 break;
2321 case 1:
2322 opj_t1_enc_refpass(t1, bpno, &nmsedec, type);
2323 break;
2324 case 2:
2325 opj_t1_enc_clnpass(t1, bpno, &nmsedec, cblksty);
2326 /* code switch SEGMARK (i.e. SEGSYM) */
2327 if (cblksty & J2K_CCP_CBLKSTY_SEGSYM) {
2328 opj_mqc_segmark_enc(mqc);
2329 }
2330 break;
2331 }
2332
2333 /* fixed_quality */
2334 tempwmsedec = opj_t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid,
2335 stepsize, numcomps, mct_norms, mct_numcomps) ;
2336 cumwmsedec += tempwmsedec;
2337 tile->distotile += tempwmsedec;
2338 pass->distortiondec = cumwmsedec;
2339
2340 if (opj_t1_enc_is_term_pass(cblk, cblksty, bpno, passtype)) {
2341 /* If it is a terminated pass, terminate it */
2342 if (type == T1_TYPE_RAW) {
2343 opj_mqc_bypass_flush_enc(mqc, cblksty & J2K_CCP_CBLKSTY_PTERM);
2344 } else {
2345 if (cblksty & J2K_CCP_CBLKSTY_PTERM) {
2346 opj_mqc_erterm_enc(mqc);
2347 } else {
2348 opj_mqc_flush(mqc);
2349 }
2350 }
2351 pass->term = 1;
2352 pass->rate = opj_mqc_numbytes(mqc);
2353 } else {
2354 /* Non terminated pass */
2355 OPJ_UINT32 rate_extra_bytes;
2356 if (type == T1_TYPE_RAW) {
2357 rate_extra_bytes = opj_mqc_bypass_get_extra_bytes(
2358 mqc, (cblksty & J2K_CCP_CBLKSTY_PTERM));
2359 } else {
2360 rate_extra_bytes = 3;
2361 }
2362 pass->term = 0;
2363 pass->rate = opj_mqc_numbytes(mqc) + rate_extra_bytes;
2364 }
2365
2366 if (++passtype == 3) {
2367 passtype = 0;
2368 bpno--;
2369 }
2370
2371 /* Code-switch "RESET" */
2372 if (cblksty & J2K_CCP_CBLKSTY_RESET) {
2373 opj_mqc_reset_enc(mqc);
2374 }
2375 }
2376
2377 cblk->totalpasses = passno;
2378
2379 if (cblk->totalpasses) {
2380 /* Make sure that pass rates are increasing */
2381 OPJ_UINT32 last_pass_rate = opj_mqc_numbytes(mqc);
2382 for (passno = cblk->totalpasses; passno > 0;) {
2383 opj_tcd_pass_t *pass = &cblk->passes[--passno];
2384 if (pass->rate > last_pass_rate) {
2385 pass->rate = last_pass_rate;
2386 } else {
2387 last_pass_rate = pass->rate;
2388 }
2389 }
2390 }
2391
2392 for (passno = 0; passno < cblk->totalpasses; passno++) {
2393 opj_tcd_pass_t *pass = &cblk->passes[passno];
2394
2395 /* Prevent generation of FF as last data byte of a pass*/
2396 /* For terminating passes, the flushing procedure ensured this already */
2397 assert(pass->rate > 0);
2398 if (cblk->data[pass->rate - 1] == 0xFF) {
2399 pass->rate--;
2400 }
2401 pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
2402 }
2403
2404 #ifdef EXTRA_DEBUG
2405 printf(" len=%d\n", (cblk->totalpasses) ? opj_mqc_numbytes(mqc) : 0);
2406
2407 /* Check that there not 0xff >=0x90 sequences */
2408 if (cblk->totalpasses) {
2409 OPJ_UINT32 i;
2410 OPJ_UINT32 len = opj_mqc_numbytes(mqc);
2411 for (i = 1; i < len; ++i) {
2412 if (cblk->data[i - 1] == 0xff && cblk->data[i] >= 0x90) {
2413 printf("0xff %02x at offset %d\n", cblk->data[i], i - 1);
2414 abort();
2415 }
2416 }
2417 }
2418 #endif
2419 }
2420