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 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
19 * are met:
20 * 1. Redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include "opj_includes.h"
40 #include "t1_luts.h"
41
42 /** @defgroup T1 T1 - Implementation of the tier-1 coding */
43 /*@{*/
44
45 /** @name Local static functions */
46 /*@{*/
47
48 static INLINE OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient);
49 static OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f);
50 static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f);
51 static OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f);
52 static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos);
53 static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos);
54 static void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride);
55 /**
56 Encode significant pass
57 */
58 static void opj_t1_enc_sigpass_step(opj_t1_t *t1,
59 opj_flag_t *flagsp,
60 OPJ_INT32 *datap,
61 OPJ_UINT32 orient,
62 OPJ_INT32 bpno,
63 OPJ_INT32 one,
64 OPJ_INT32 *nmsedec,
65 OPJ_BYTE type,
66 OPJ_UINT32 vsc);
67
68 /**
69 Decode significant pass
70 */
71 #if 0
72 static void opj_t1_dec_sigpass_step(opj_t1_t *t1,
73 opj_flag_t *flagsp,
74 OPJ_INT32 *datap,
75 OPJ_UINT32 orient,
76 OPJ_INT32 oneplushalf,
77 OPJ_BYTE type,
78 OPJ_UINT32 vsc);
79 #endif
80
81 static INLINE void opj_t1_dec_sigpass_step_raw(
82 opj_t1_t *t1,
83 opj_flag_t *flagsp,
84 OPJ_INT32 *datap,
85 OPJ_INT32 orient,
86 OPJ_INT32 oneplushalf,
87 OPJ_INT32 vsc);
88 static INLINE void opj_t1_dec_sigpass_step_mqc(
89 opj_t1_t *t1,
90 opj_flag_t *flagsp,
91 OPJ_INT32 *datap,
92 OPJ_INT32 orient,
93 OPJ_INT32 oneplushalf);
94 static INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
95 opj_t1_t *t1,
96 opj_flag_t *flagsp,
97 OPJ_INT32 *datap,
98 OPJ_INT32 orient,
99 OPJ_INT32 oneplushalf,
100 OPJ_INT32 vsc);
101
102
103 /**
104 Encode significant pass
105 */
106 static void opj_t1_enc_sigpass( opj_t1_t *t1,
107 OPJ_INT32 bpno,
108 OPJ_UINT32 orient,
109 OPJ_INT32 *nmsedec,
110 OPJ_BYTE type,
111 OPJ_UINT32 cblksty);
112
113 /**
114 Decode significant pass
115 */
116 static void opj_t1_dec_sigpass_raw(
117 opj_t1_t *t1,
118 OPJ_INT32 bpno,
119 OPJ_INT32 orient,
120 OPJ_INT32 cblksty);
121 static void opj_t1_dec_sigpass_mqc(
122 opj_t1_t *t1,
123 OPJ_INT32 bpno,
124 OPJ_INT32 orient);
125 static void opj_t1_dec_sigpass_mqc_vsc(
126 opj_t1_t *t1,
127 OPJ_INT32 bpno,
128 OPJ_INT32 orient);
129
130
131
132 /**
133 Encode refinement pass
134 */
135 static void opj_t1_enc_refpass_step(opj_t1_t *t1,
136 opj_flag_t *flagsp,
137 OPJ_INT32 *datap,
138 OPJ_INT32 bpno,
139 OPJ_INT32 one,
140 OPJ_INT32 *nmsedec,
141 OPJ_BYTE type,
142 OPJ_UINT32 vsc);
143
144
145 /**
146 Encode refinement pass
147 */
148 static void opj_t1_enc_refpass( opj_t1_t *t1,
149 OPJ_INT32 bpno,
150 OPJ_INT32 *nmsedec,
151 OPJ_BYTE type,
152 OPJ_UINT32 cblksty);
153
154 /**
155 Decode refinement pass
156 */
157 static void opj_t1_dec_refpass_raw(
158 opj_t1_t *t1,
159 OPJ_INT32 bpno,
160 OPJ_INT32 cblksty);
161 static void opj_t1_dec_refpass_mqc(
162 opj_t1_t *t1,
163 OPJ_INT32 bpno);
164 static void opj_t1_dec_refpass_mqc_vsc(
165 opj_t1_t *t1,
166 OPJ_INT32 bpno);
167
168
169 /**
170 Decode refinement pass
171 */
172 #if 0
173 static void opj_t1_dec_refpass_step(opj_t1_t *t1,
174 opj_flag_t *flagsp,
175 OPJ_INT32 *datap,
176 OPJ_INT32 poshalf,
177 OPJ_INT32 neghalf,
178 OPJ_BYTE type,
179 OPJ_UINT32 vsc);
180 #endif
181
182 static INLINE void opj_t1_dec_refpass_step_raw(
183 opj_t1_t *t1,
184 opj_flag_t *flagsp,
185 OPJ_INT32 *datap,
186 OPJ_INT32 poshalf,
187 OPJ_INT32 neghalf,
188 OPJ_INT32 vsc);
189 static INLINE void opj_t1_dec_refpass_step_mqc(
190 opj_t1_t *t1,
191 opj_flag_t *flagsp,
192 OPJ_INT32 *datap,
193 OPJ_INT32 poshalf,
194 OPJ_INT32 neghalf);
195 static INLINE void opj_t1_dec_refpass_step_mqc_vsc(
196 opj_t1_t *t1,
197 opj_flag_t *flagsp,
198 OPJ_INT32 *datap,
199 OPJ_INT32 poshalf,
200 OPJ_INT32 neghalf,
201 OPJ_INT32 vsc);
202
203
204
205 /**
206 Encode clean-up pass
207 */
208 static void opj_t1_enc_clnpass_step(
209 opj_t1_t *t1,
210 opj_flag_t *flagsp,
211 OPJ_INT32 *datap,
212 OPJ_UINT32 orient,
213 OPJ_INT32 bpno,
214 OPJ_INT32 one,
215 OPJ_INT32 *nmsedec,
216 OPJ_UINT32 partial,
217 OPJ_UINT32 vsc);
218 /**
219 Decode clean-up pass
220 */
221 static void opj_t1_dec_clnpass_step_partial(
222 opj_t1_t *t1,
223 opj_flag_t *flagsp,
224 OPJ_INT32 *datap,
225 OPJ_INT32 orient,
226 OPJ_INT32 oneplushalf);
227 static void opj_t1_dec_clnpass_step(
228 opj_t1_t *t1,
229 opj_flag_t *flagsp,
230 OPJ_INT32 *datap,
231 OPJ_INT32 orient,
232 OPJ_INT32 oneplushalf);
233 static void opj_t1_dec_clnpass_step_vsc(
234 opj_t1_t *t1,
235 opj_flag_t *flagsp,
236 OPJ_INT32 *datap,
237 OPJ_INT32 orient,
238 OPJ_INT32 oneplushalf,
239 OPJ_INT32 partial,
240 OPJ_INT32 vsc);
241 /**
242 Encode clean-up pass
243 */
244 static void opj_t1_enc_clnpass(
245 opj_t1_t *t1,
246 OPJ_INT32 bpno,
247 OPJ_UINT32 orient,
248 OPJ_INT32 *nmsedec,
249 OPJ_UINT32 cblksty);
250 /**
251 Decode clean-up pass
252 */
253 static void opj_t1_dec_clnpass(
254 opj_t1_t *t1,
255 OPJ_INT32 bpno,
256 OPJ_INT32 orient,
257 OPJ_INT32 cblksty);
258
259 static OPJ_FLOAT64 opj_t1_getwmsedec(
260 OPJ_INT32 nmsedec,
261 OPJ_UINT32 compno,
262 OPJ_UINT32 level,
263 OPJ_UINT32 orient,
264 OPJ_INT32 bpno,
265 OPJ_UINT32 qmfbid,
266 OPJ_FLOAT64 stepsize,
267 OPJ_UINT32 numcomps,
268 const OPJ_FLOAT64 * mct_norms);
269
270 static void opj_t1_encode_cblk( opj_t1_t *t1,
271 opj_tcd_cblk_enc_t* cblk,
272 OPJ_UINT32 orient,
273 OPJ_UINT32 compno,
274 OPJ_UINT32 level,
275 OPJ_UINT32 qmfbid,
276 OPJ_FLOAT64 stepsize,
277 OPJ_UINT32 cblksty,
278 OPJ_UINT32 numcomps,
279 opj_tcd_tile_t * tile,
280 const OPJ_FLOAT64 * mct_norms);
281
282 /**
283 Decode 1 code-block
284 @param t1 T1 handle
285 @param cblk Code-block coding parameters
286 @param orient
287 @param roishift Region of interest shifting value
288 @param cblksty Code-block style
289 */
290 static OPJ_BOOL opj_t1_decode_cblk( opj_t1_t *t1,
291 opj_tcd_cblk_dec_t* cblk,
292 OPJ_UINT32 orient,
293 OPJ_UINT32 roishift,
294 OPJ_UINT32 cblksty);
295
296 OPJ_BOOL opj_t1_allocate_buffers( opj_t1_t *t1,
297 OPJ_UINT32 w,
298 OPJ_UINT32 h);
299
300 /*@}*/
301
302 /*@}*/
303
304 /* ----------------------------------------------------------------------- */
305
opj_t1_getctxno_zc(OPJ_UINT32 f,OPJ_UINT32 orient)306 OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient) {
307 return lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
308 }
309
opj_t1_getctxno_sc(OPJ_UINT32 f)310 OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f) {
311 return lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
312 }
313
opj_t1_getctxno_mag(OPJ_UINT32 f)314 OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f) {
315 OPJ_UINT32 tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
316 OPJ_UINT32 tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1;
317 return (tmp2);
318 }
319
opj_t1_getspb(OPJ_UINT32 f)320 OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f) {
321 return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
322 }
323
opj_t1_getnmsedec_sig(OPJ_UINT32 x,OPJ_UINT32 bitpos)324 OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos) {
325 if (bitpos > T1_NMSEDEC_FRACBITS) {
326 return lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
327 }
328
329 return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
330 }
331
opj_t1_getnmsedec_ref(OPJ_UINT32 x,OPJ_UINT32 bitpos)332 OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos) {
333 if (bitpos > T1_NMSEDEC_FRACBITS) {
334 return lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
335 }
336
337 return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
338 }
339
opj_t1_updateflags(opj_flag_t * flagsp,OPJ_UINT32 s,OPJ_UINT32 stride)340 void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride) {
341 opj_flag_t *np = flagsp - stride;
342 opj_flag_t *sp = flagsp + stride;
343
344 static const opj_flag_t mod[] = {
345 T1_SIG_S, T1_SIG_S|T1_SGN_S,
346 T1_SIG_E, T1_SIG_E|T1_SGN_E,
347 T1_SIG_W, T1_SIG_W|T1_SGN_W,
348 T1_SIG_N, T1_SIG_N|T1_SGN_N
349 };
350
351 np[-1] |= T1_SIG_SE;
352 np[0] |= mod[s];
353 np[1] |= T1_SIG_SW;
354
355 flagsp[-1] |= mod[s+2];
356 flagsp[0] |= T1_SIG;
357 flagsp[1] |= mod[s+4];
358
359 sp[-1] |= T1_SIG_NE;
360 sp[0] |= mod[s+6];
361 sp[1] |= T1_SIG_NW;
362 }
363
opj_t1_enc_sigpass_step(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_UINT32 orient,OPJ_INT32 bpno,OPJ_INT32 one,OPJ_INT32 * nmsedec,OPJ_BYTE type,OPJ_UINT32 vsc)364 void opj_t1_enc_sigpass_step( opj_t1_t *t1,
365 opj_flag_t *flagsp,
366 OPJ_INT32 *datap,
367 OPJ_UINT32 orient,
368 OPJ_INT32 bpno,
369 OPJ_INT32 one,
370 OPJ_INT32 *nmsedec,
371 OPJ_BYTE type,
372 OPJ_UINT32 vsc
373 )
374 {
375 OPJ_INT32 v;
376 OPJ_UINT32 flag;
377
378 opj_mqc_t *mqc = t1->mqc; /* MQC component */
379
380 flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
381 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
382 v = opj_int_abs(*datap) & one ? 1 : 0;
383 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient)); /* ESSAI */
384 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
385 opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
386 } else {
387 opj_mqc_encode(mqc, (OPJ_UINT32)v);
388 }
389 if (v) {
390 v = *datap < 0 ? 1 : 0;
391 *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
392 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag)); /* ESSAI */
393 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
394 opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
395 } else {
396 opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag)));
397 }
398 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
399 }
400 *flagsp |= T1_VISIT;
401 }
402 }
403
404
opj_t1_dec_sigpass_step_raw(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf,OPJ_INT32 vsc)405 static INLINE void opj_t1_dec_sigpass_step_raw(
406 opj_t1_t *t1,
407 opj_flag_t *flagsp,
408 OPJ_INT32 *datap,
409 OPJ_INT32 orient,
410 OPJ_INT32 oneplushalf,
411 OPJ_INT32 vsc)
412 {
413 OPJ_INT32 v, flag;
414 opj_raw_t *raw = t1->raw; /* RAW component */
415 OPJ_ARG_NOT_USED(orient);
416
417 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
418 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
419 if (opj_raw_decode(raw)) {
420 v = (OPJ_INT32)opj_raw_decode(raw); /* ESSAI */
421 *datap = v ? -oneplushalf : oneplushalf;
422 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
423 }
424 *flagsp |= T1_VISIT;
425 }
426 }
427
opj_t1_dec_sigpass_step_mqc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf)428 INLINE void opj_t1_dec_sigpass_step_mqc(
429 opj_t1_t *t1,
430 opj_flag_t *flagsp,
431 OPJ_INT32 *datap,
432 OPJ_INT32 orient,
433 OPJ_INT32 oneplushalf)
434 {
435 OPJ_INT32 v, flag;
436
437 opj_mqc_t *mqc = t1->mqc; /* MQC component */
438
439 flag = *flagsp;
440 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
441 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
442 if (opj_mqc_decode(mqc)) {
443 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
444 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
445 *datap = v ? -oneplushalf : oneplushalf;
446 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
447 }
448 *flagsp |= T1_VISIT;
449 }
450 } /* VSC and BYPASS by Antonin */
451
opj_t1_dec_sigpass_step_mqc_vsc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf,OPJ_INT32 vsc)452 INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
453 opj_t1_t *t1,
454 opj_flag_t *flagsp,
455 OPJ_INT32 *datap,
456 OPJ_INT32 orient,
457 OPJ_INT32 oneplushalf,
458 OPJ_INT32 vsc)
459 {
460 OPJ_INT32 v, flag;
461
462 opj_mqc_t *mqc = t1->mqc; /* MQC component */
463
464 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
465 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
466 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
467 if (opj_mqc_decode(mqc)) {
468 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
469 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
470 *datap = v ? -oneplushalf : oneplushalf;
471 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
472 }
473 *flagsp |= T1_VISIT;
474 }
475 } /* VSC and BYPASS by Antonin */
476
477
478
opj_t1_enc_sigpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_UINT32 orient,OPJ_INT32 * nmsedec,OPJ_BYTE type,OPJ_UINT32 cblksty)479 void opj_t1_enc_sigpass(opj_t1_t *t1,
480 OPJ_INT32 bpno,
481 OPJ_UINT32 orient,
482 OPJ_INT32 *nmsedec,
483 OPJ_BYTE type,
484 OPJ_UINT32 cblksty
485 )
486 {
487 OPJ_UINT32 i, j, k, vsc;
488 OPJ_INT32 one;
489
490 *nmsedec = 0;
491 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
492 for (k = 0; k < t1->h; k += 4) {
493 for (i = 0; i < t1->w; ++i) {
494 for (j = k; j < k + 4 && j < t1->h; ++j) {
495 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
496 opj_t1_enc_sigpass_step(
497 t1,
498 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
499 &t1->data[(j * t1->w) + i],
500 orient,
501 bpno,
502 one,
503 nmsedec,
504 type,
505 vsc);
506 }
507 }
508 }
509 }
510
opj_t1_dec_sigpass_raw(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 orient,OPJ_INT32 cblksty)511 void opj_t1_dec_sigpass_raw(
512 opj_t1_t *t1,
513 OPJ_INT32 bpno,
514 OPJ_INT32 orient,
515 OPJ_INT32 cblksty)
516 {
517 OPJ_INT32 one, half, oneplushalf, vsc;
518 OPJ_UINT32 i, j, k;
519 one = 1 << bpno;
520 half = one >> 1;
521 oneplushalf = one | half;
522 for (k = 0; k < t1->h; k += 4) {
523 for (i = 0; i < t1->w; ++i) {
524 for (j = k; j < k + 4 && j < t1->h; ++j) {
525 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
526 opj_t1_dec_sigpass_step_raw(
527 t1,
528 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
529 &t1->data[(j * t1->w) + i],
530 orient,
531 oneplushalf,
532 vsc);
533 }
534 }
535 }
536 } /* VSC and BYPASS by Antonin */
537
opj_t1_dec_sigpass_mqc(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 orient)538 void opj_t1_dec_sigpass_mqc(
539 opj_t1_t *t1,
540 OPJ_INT32 bpno,
541 OPJ_INT32 orient)
542 {
543 OPJ_INT32 one, half, oneplushalf;
544 OPJ_UINT32 i, j, k;
545 OPJ_INT32 *data1 = t1->data;
546 opj_flag_t *flags1 = &t1->flags[1];
547 one = 1 << bpno;
548 half = one >> 1;
549 oneplushalf = one | half;
550 for (k = 0; k < (t1->h & ~3u); k += 4) {
551 for (i = 0; i < t1->w; ++i) {
552 OPJ_INT32 *data2 = data1 + i;
553 opj_flag_t *flags2 = flags1 + i;
554 flags2 += t1->flags_stride;
555 opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
556 data2 += t1->w;
557 flags2 += t1->flags_stride;
558 opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
559 data2 += t1->w;
560 flags2 += t1->flags_stride;
561 opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
562 data2 += t1->w;
563 flags2 += t1->flags_stride;
564 opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
565 data2 += t1->w;
566 }
567 data1 += t1->w << 2;
568 flags1 += t1->flags_stride << 2;
569 }
570 for (i = 0; i < t1->w; ++i) {
571 OPJ_INT32 *data2 = data1 + i;
572 opj_flag_t *flags2 = flags1 + i;
573 for (j = k; j < t1->h; ++j) {
574 flags2 += t1->flags_stride;
575 opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
576 data2 += t1->w;
577 }
578 }
579 } /* VSC and BYPASS by Antonin */
580
opj_t1_dec_sigpass_mqc_vsc(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 orient)581 void opj_t1_dec_sigpass_mqc_vsc(
582 opj_t1_t *t1,
583 OPJ_INT32 bpno,
584 OPJ_INT32 orient)
585 {
586 OPJ_INT32 one, half, oneplushalf, vsc;
587 OPJ_UINT32 i, j, k;
588 one = 1 << bpno;
589 half = one >> 1;
590 oneplushalf = one | half;
591 for (k = 0; k < t1->h; k += 4) {
592 for (i = 0; i < t1->w; ++i) {
593 for (j = k; j < k + 4 && j < t1->h; ++j) {
594 vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
595 opj_t1_dec_sigpass_step_mqc_vsc(
596 t1,
597 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
598 &t1->data[(j * t1->w) + i],
599 orient,
600 oneplushalf,
601 vsc);
602 }
603 }
604 }
605 } /* VSC and BYPASS by Antonin */
606
607
608
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 vsc)609 void opj_t1_enc_refpass_step( opj_t1_t *t1,
610 opj_flag_t *flagsp,
611 OPJ_INT32 *datap,
612 OPJ_INT32 bpno,
613 OPJ_INT32 one,
614 OPJ_INT32 *nmsedec,
615 OPJ_BYTE type,
616 OPJ_UINT32 vsc)
617 {
618 OPJ_INT32 v;
619 OPJ_UINT32 flag;
620
621 opj_mqc_t *mqc = t1->mqc; /* MQC component */
622
623 flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
624 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
625 *nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
626 v = opj_int_abs(*datap) & one ? 1 : 0;
627 opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag)); /* ESSAI */
628 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
629 opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
630 } else {
631 opj_mqc_encode(mqc, (OPJ_UINT32)v);
632 }
633 *flagsp |= T1_REFINE;
634 }
635 }
636
opj_t1_dec_refpass_step_raw(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 poshalf,OPJ_INT32 neghalf,OPJ_INT32 vsc)637 INLINE void opj_t1_dec_refpass_step_raw(
638 opj_t1_t *t1,
639 opj_flag_t *flagsp,
640 OPJ_INT32 *datap,
641 OPJ_INT32 poshalf,
642 OPJ_INT32 neghalf,
643 OPJ_INT32 vsc)
644 {
645 OPJ_INT32 v, t, flag;
646
647 opj_raw_t *raw = t1->raw; /* RAW component */
648
649 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
650 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
651 v = (OPJ_INT32)opj_raw_decode(raw);
652 t = v ? poshalf : neghalf;
653 *datap += *datap < 0 ? -t : t;
654 *flagsp |= T1_REFINE;
655 }
656 } /* VSC and BYPASS by Antonin */
657
opj_t1_dec_refpass_step_mqc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 poshalf,OPJ_INT32 neghalf)658 INLINE void opj_t1_dec_refpass_step_mqc(
659 opj_t1_t *t1,
660 opj_flag_t *flagsp,
661 OPJ_INT32 *datap,
662 OPJ_INT32 poshalf,
663 OPJ_INT32 neghalf)
664 {
665 OPJ_INT32 v, t, flag;
666
667 opj_mqc_t *mqc = t1->mqc; /* MQC component */
668
669 flag = *flagsp;
670 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
671 opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag)); /* ESSAI */
672 v = opj_mqc_decode(mqc);
673 t = v ? poshalf : neghalf;
674 *datap += *datap < 0 ? -t : t;
675 *flagsp |= T1_REFINE;
676 }
677 } /* VSC and BYPASS by Antonin */
678
opj_t1_dec_refpass_step_mqc_vsc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 poshalf,OPJ_INT32 neghalf,OPJ_INT32 vsc)679 INLINE void opj_t1_dec_refpass_step_mqc_vsc(
680 opj_t1_t *t1,
681 opj_flag_t *flagsp,
682 OPJ_INT32 *datap,
683 OPJ_INT32 poshalf,
684 OPJ_INT32 neghalf,
685 OPJ_INT32 vsc)
686 {
687 OPJ_INT32 v, t, flag;
688
689 opj_mqc_t *mqc = t1->mqc; /* MQC component */
690
691 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
692 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
693 opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag)); /* ESSAI */
694 v = opj_mqc_decode(mqc);
695 t = v ? poshalf : neghalf;
696 *datap += *datap < 0 ? -t : t;
697 *flagsp |= T1_REFINE;
698 }
699 } /* VSC and BYPASS by Antonin */
700
701
opj_t1_enc_refpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 * nmsedec,OPJ_BYTE type,OPJ_UINT32 cblksty)702 void opj_t1_enc_refpass(
703 opj_t1_t *t1,
704 OPJ_INT32 bpno,
705 OPJ_INT32 *nmsedec,
706 OPJ_BYTE type,
707 OPJ_UINT32 cblksty)
708 {
709 OPJ_UINT32 i, j, k, vsc;
710 OPJ_INT32 one;
711
712 *nmsedec = 0;
713 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
714 for (k = 0; k < t1->h; k += 4) {
715 for (i = 0; i < t1->w; ++i) {
716 for (j = k; j < k + 4 && j < t1->h; ++j) {
717 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
718 opj_t1_enc_refpass_step(
719 t1,
720 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
721 &t1->data[(j * t1->w) + i],
722 bpno,
723 one,
724 nmsedec,
725 type,
726 vsc);
727 }
728 }
729 }
730 }
731
opj_t1_dec_refpass_raw(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 cblksty)732 void opj_t1_dec_refpass_raw(
733 opj_t1_t *t1,
734 OPJ_INT32 bpno,
735 OPJ_INT32 cblksty)
736 {
737 OPJ_INT32 one, poshalf, neghalf;
738 OPJ_UINT32 i, j, k;
739 OPJ_INT32 vsc;
740 one = 1 << bpno;
741 poshalf = one >> 1;
742 neghalf = bpno > 0 ? -poshalf : -1;
743 for (k = 0; k < t1->h; k += 4) {
744 for (i = 0; i < t1->w; ++i) {
745 for (j = k; j < k + 4 && j < t1->h; ++j) {
746 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
747 opj_t1_dec_refpass_step_raw(
748 t1,
749 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
750 &t1->data[(j * t1->w) + i],
751 poshalf,
752 neghalf,
753 vsc);
754 }
755 }
756 }
757 } /* VSC and BYPASS by Antonin */
758
opj_t1_dec_refpass_mqc(opj_t1_t * t1,OPJ_INT32 bpno)759 void opj_t1_dec_refpass_mqc(
760 opj_t1_t *t1,
761 OPJ_INT32 bpno)
762 {
763 OPJ_INT32 one, poshalf, neghalf;
764 OPJ_UINT32 i, j, k;
765 OPJ_INT32 *data1 = t1->data;
766 opj_flag_t *flags1 = &t1->flags[1];
767 one = 1 << bpno;
768 poshalf = one >> 1;
769 neghalf = bpno > 0 ? -poshalf : -1;
770 for (k = 0; k < (t1->h & ~3u); k += 4) {
771 for (i = 0; i < t1->w; ++i) {
772 OPJ_INT32 *data2 = data1 + i;
773 opj_flag_t *flags2 = flags1 + i;
774 flags2 += t1->flags_stride;
775 opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
776 data2 += t1->w;
777 flags2 += t1->flags_stride;
778 opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
779 data2 += t1->w;
780 flags2 += t1->flags_stride;
781 opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
782 data2 += t1->w;
783 flags2 += t1->flags_stride;
784 opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
785 data2 += t1->w;
786 }
787 data1 += t1->w << 2;
788 flags1 += t1->flags_stride << 2;
789 }
790 for (i = 0; i < t1->w; ++i) {
791 OPJ_INT32 *data2 = data1 + i;
792 opj_flag_t *flags2 = flags1 + i;
793 for (j = k; j < t1->h; ++j) {
794 flags2 += t1->flags_stride;
795 opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
796 data2 += t1->w;
797 }
798 }
799 } /* VSC and BYPASS by Antonin */
800
opj_t1_dec_refpass_mqc_vsc(opj_t1_t * t1,OPJ_INT32 bpno)801 void opj_t1_dec_refpass_mqc_vsc(
802 opj_t1_t *t1,
803 OPJ_INT32 bpno)
804 {
805 OPJ_INT32 one, poshalf, neghalf;
806 OPJ_UINT32 i, j, k;
807 OPJ_INT32 vsc;
808 one = 1 << bpno;
809 poshalf = one >> 1;
810 neghalf = bpno > 0 ? -poshalf : -1;
811 for (k = 0; k < t1->h; k += 4) {
812 for (i = 0; i < t1->w; ++i) {
813 for (j = k; j < k + 4 && j < t1->h; ++j) {
814 vsc = ((j == k + 3 || j == t1->h - 1)) ? 1 : 0;
815 opj_t1_dec_refpass_step_mqc_vsc(
816 t1,
817 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
818 &t1->data[(j * t1->w) + i],
819 poshalf,
820 neghalf,
821 vsc);
822 }
823 }
824 }
825 } /* VSC and BYPASS by Antonin */
826
827
opj_t1_enc_clnpass_step(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_UINT32 orient,OPJ_INT32 bpno,OPJ_INT32 one,OPJ_INT32 * nmsedec,OPJ_UINT32 partial,OPJ_UINT32 vsc)828 void opj_t1_enc_clnpass_step(
829 opj_t1_t *t1,
830 opj_flag_t *flagsp,
831 OPJ_INT32 *datap,
832 OPJ_UINT32 orient,
833 OPJ_INT32 bpno,
834 OPJ_INT32 one,
835 OPJ_INT32 *nmsedec,
836 OPJ_UINT32 partial,
837 OPJ_UINT32 vsc)
838 {
839 OPJ_INT32 v;
840 OPJ_UINT32 flag;
841
842 opj_mqc_t *mqc = t1->mqc; /* MQC component */
843
844 flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
845 if (partial) {
846 goto LABEL_PARTIAL;
847 }
848 if (!(*flagsp & (T1_SIG | T1_VISIT))) {
849 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient));
850 v = opj_int_abs(*datap) & one ? 1 : 0;
851 opj_mqc_encode(mqc, (OPJ_UINT32)v);
852 if (v) {
853 LABEL_PARTIAL:
854 *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
855 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));
856 v = *datap < 0 ? 1 : 0;
857 opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag)));
858 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
859 }
860 }
861 *flagsp &= ~T1_VISIT;
862 }
863
opj_t1_dec_clnpass_step_partial(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf)864 static void opj_t1_dec_clnpass_step_partial(
865 opj_t1_t *t1,
866 opj_flag_t *flagsp,
867 OPJ_INT32 *datap,
868 OPJ_INT32 orient,
869 OPJ_INT32 oneplushalf)
870 {
871 OPJ_INT32 v, flag;
872 opj_mqc_t *mqc = t1->mqc; /* MQC component */
873
874 OPJ_ARG_NOT_USED(orient);
875
876 flag = *flagsp;
877 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
878 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
879 *datap = v ? -oneplushalf : oneplushalf;
880 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
881 *flagsp &= ~T1_VISIT;
882 } /* VSC and BYPASS by Antonin */
883
opj_t1_dec_clnpass_step(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf)884 static void opj_t1_dec_clnpass_step(
885 opj_t1_t *t1,
886 opj_flag_t *flagsp,
887 OPJ_INT32 *datap,
888 OPJ_INT32 orient,
889 OPJ_INT32 oneplushalf)
890 {
891 OPJ_INT32 v, flag;
892
893 opj_mqc_t *mqc = t1->mqc; /* MQC component */
894
895 flag = *flagsp;
896 if (!(flag & (T1_SIG | T1_VISIT))) {
897 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
898 if (opj_mqc_decode(mqc)) {
899 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
900 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
901 *datap = v ? -oneplushalf : oneplushalf;
902 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
903 }
904 }
905 *flagsp &= ~T1_VISIT;
906 } /* VSC and BYPASS by Antonin */
907
opj_t1_dec_clnpass_step_vsc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf,OPJ_INT32 partial,OPJ_INT32 vsc)908 static void opj_t1_dec_clnpass_step_vsc(
909 opj_t1_t *t1,
910 opj_flag_t *flagsp,
911 OPJ_INT32 *datap,
912 OPJ_INT32 orient,
913 OPJ_INT32 oneplushalf,
914 OPJ_INT32 partial,
915 OPJ_INT32 vsc)
916 {
917 OPJ_INT32 v, flag;
918
919 opj_mqc_t *mqc = t1->mqc; /* MQC component */
920
921 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
922 if (partial) {
923 goto LABEL_PARTIAL;
924 }
925 if (!(flag & (T1_SIG | T1_VISIT))) {
926 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
927 if (opj_mqc_decode(mqc)) {
928 LABEL_PARTIAL:
929 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
930 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
931 *datap = v ? -oneplushalf : oneplushalf;
932 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
933 }
934 }
935 *flagsp &= ~T1_VISIT;
936 }
937
opj_t1_enc_clnpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_UINT32 orient,OPJ_INT32 * nmsedec,OPJ_UINT32 cblksty)938 void opj_t1_enc_clnpass(
939 opj_t1_t *t1,
940 OPJ_INT32 bpno,
941 OPJ_UINT32 orient,
942 OPJ_INT32 *nmsedec,
943 OPJ_UINT32 cblksty)
944 {
945 OPJ_UINT32 i, j, k;
946 OPJ_INT32 one;
947 OPJ_UINT32 agg, runlen, vsc;
948
949 opj_mqc_t *mqc = t1->mqc; /* MQC component */
950
951 *nmsedec = 0;
952 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
953 for (k = 0; k < t1->h; k += 4) {
954 for (i = 0; i < t1->w; ++i) {
955 if (k + 3 < t1->h) {
956 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
957 agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
958 || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
959 || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
960 || (MACRO_t1_flags(1 + k + 3,1 + i)
961 & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
962 } else {
963 agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
964 || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
965 || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
966 || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
967 }
968 } else {
969 agg = 0;
970 }
971 if (agg) {
972 for (runlen = 0; runlen < 4; ++runlen) {
973 if (opj_int_abs(t1->data[((k + runlen)*t1->w) + i]) & one)
974 break;
975 }
976 opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
977 opj_mqc_encode(mqc, runlen != 4);
978 if (runlen == 4) {
979 continue;
980 }
981 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
982 opj_mqc_encode(mqc, runlen >> 1);
983 opj_mqc_encode(mqc, runlen & 1);
984 } else {
985 runlen = 0;
986 }
987 for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
988 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
989 opj_t1_enc_clnpass_step(
990 t1,
991 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
992 &t1->data[(j * t1->w) + i],
993 orient,
994 bpno,
995 one,
996 nmsedec,
997 agg && (j == k + runlen),
998 vsc);
999 }
1000 }
1001 }
1002 }
1003
opj_t1_dec_clnpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 orient,OPJ_INT32 cblksty)1004 static void opj_t1_dec_clnpass(
1005 opj_t1_t *t1,
1006 OPJ_INT32 bpno,
1007 OPJ_INT32 orient,
1008 OPJ_INT32 cblksty)
1009 {
1010 OPJ_INT32 one, half, oneplushalf, agg, runlen, vsc;
1011 OPJ_UINT32 i, j, k;
1012 OPJ_INT32 segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
1013
1014 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1015
1016 one = 1 << bpno;
1017 half = one >> 1;
1018 oneplushalf = one | half;
1019 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
1020 for (k = 0; k < t1->h; k += 4) {
1021 for (i = 0; i < t1->w; ++i) {
1022 if (k + 3 < t1->h) {
1023 agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1024 || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1025 || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1026 || (MACRO_t1_flags(1 + k + 3,1 + i)
1027 & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
1028 } else {
1029 agg = 0;
1030 }
1031 if (agg) {
1032 opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
1033 if (!opj_mqc_decode(mqc)) {
1034 continue;
1035 }
1036 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
1037 runlen = opj_mqc_decode(mqc);
1038 runlen = (runlen << 1) | opj_mqc_decode(mqc);
1039 } else {
1040 runlen = 0;
1041 }
1042 for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) {
1043 vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
1044 opj_t1_dec_clnpass_step_vsc(
1045 t1,
1046 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
1047 &t1->data[(j * t1->w) + i],
1048 orient,
1049 oneplushalf,
1050 agg && (j == k + (OPJ_UINT32)runlen),
1051 vsc);
1052 }
1053 }
1054 }
1055 } else {
1056 OPJ_INT32 *data1 = t1->data;
1057 opj_flag_t *flags1 = &t1->flags[1];
1058 for (k = 0; k < (t1->h & ~3u); k += 4) {
1059 for (i = 0; i < t1->w; ++i) {
1060 OPJ_INT32 *data2 = data1 + i;
1061 opj_flag_t *flags2 = flags1 + i;
1062 agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1063 || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1064 || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1065 || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
1066 if (agg) {
1067 opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
1068 if (!opj_mqc_decode(mqc)) {
1069 continue;
1070 }
1071 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
1072 runlen = opj_mqc_decode(mqc);
1073 runlen = (runlen << 1) | opj_mqc_decode(mqc);
1074 flags2 += (OPJ_UINT32)runlen * t1->flags_stride;
1075 data2 += (OPJ_UINT32)runlen * t1->w;
1076 for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) {
1077 flags2 += t1->flags_stride;
1078 if (agg && (j == k + (OPJ_UINT32)runlen)) {
1079 opj_t1_dec_clnpass_step_partial(t1, flags2, data2, orient, oneplushalf);
1080 } else {
1081 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1082 }
1083 data2 += t1->w;
1084 }
1085 } else {
1086 flags2 += t1->flags_stride;
1087 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1088 data2 += t1->w;
1089 flags2 += t1->flags_stride;
1090 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1091 data2 += t1->w;
1092 flags2 += t1->flags_stride;
1093 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1094 data2 += t1->w;
1095 flags2 += t1->flags_stride;
1096 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1097 data2 += t1->w;
1098 }
1099 }
1100 data1 += t1->w << 2;
1101 flags1 += t1->flags_stride << 2;
1102 }
1103 for (i = 0; i < t1->w; ++i) {
1104 OPJ_INT32 *data2 = data1 + i;
1105 opj_flag_t *flags2 = flags1 + i;
1106 for (j = k; j < t1->h; ++j) {
1107 flags2 += t1->flags_stride;
1108 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1109 data2 += t1->w;
1110 }
1111 }
1112 }
1113
1114 if (segsym) {
1115 OPJ_INT32 v = 0;
1116 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
1117 v = opj_mqc_decode(mqc);
1118 v = (v << 1) | opj_mqc_decode(mqc);
1119 v = (v << 1) | opj_mqc_decode(mqc);
1120 v = (v << 1) | opj_mqc_decode(mqc);
1121 /*
1122 if (v!=0xa) {
1123 opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);
1124 }
1125 */
1126 }
1127 } /* VSC and BYPASS by Antonin */
1128
1129
1130 /** 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)1131 static OPJ_FLOAT64 opj_t1_getwmsedec(
1132 OPJ_INT32 nmsedec,
1133 OPJ_UINT32 compno,
1134 OPJ_UINT32 level,
1135 OPJ_UINT32 orient,
1136 OPJ_INT32 bpno,
1137 OPJ_UINT32 qmfbid,
1138 OPJ_FLOAT64 stepsize,
1139 OPJ_UINT32 numcomps,
1140 const OPJ_FLOAT64 * mct_norms)
1141 {
1142 OPJ_FLOAT64 w1 = 1, w2, wmsedec;
1143 OPJ_ARG_NOT_USED(numcomps);
1144
1145 if (mct_norms) {
1146 w1 = mct_norms[compno];
1147 }
1148
1149 if (qmfbid == 1) {
1150 w2 = opj_dwt_getnorm(level, orient);
1151 } else { /* if (qmfbid == 0) */
1152 w2 = opj_dwt_getnorm_real(level, orient);
1153 }
1154
1155 wmsedec = w1 * w2 * stepsize * (1 << bpno);
1156 wmsedec *= wmsedec * nmsedec / 8192.0;
1157
1158 return wmsedec;
1159 }
1160
opj_t1_allocate_buffers(opj_t1_t * t1,OPJ_UINT32 w,OPJ_UINT32 h)1161 OPJ_BOOL opj_t1_allocate_buffers(
1162 opj_t1_t *t1,
1163 OPJ_UINT32 w,
1164 OPJ_UINT32 h)
1165 {
1166 OPJ_UINT32 datasize=w * h;
1167 OPJ_UINT32 flagssize;
1168
1169 if(datasize > t1->datasize){
1170 opj_aligned_free(t1->data);
1171 t1->data = (OPJ_INT32*) opj_aligned_malloc(datasize * sizeof(OPJ_INT32));
1172 if(!t1->data){
1173 return OPJ_FALSE;
1174 }
1175 t1->datasize=datasize;
1176 }
1177 memset(t1->data,0,datasize * sizeof(OPJ_INT32));
1178
1179 t1->flags_stride=w+2;
1180 flagssize=t1->flags_stride * (h+2);
1181
1182 if(flagssize > t1->flagssize){
1183 opj_aligned_free(t1->flags);
1184 t1->flags = (opj_flag_t*) opj_aligned_malloc(flagssize * sizeof(opj_flag_t));
1185 if(!t1->flags){
1186 return OPJ_FALSE;
1187 }
1188 t1->flagssize=flagssize;
1189 }
1190 memset(t1->flags,0,flagssize * sizeof(opj_flag_t));
1191
1192 t1->w=w;
1193 t1->h=h;
1194
1195 return OPJ_TRUE;
1196 }
1197
1198 /* ----------------------------------------------------------------------- */
1199
1200 /* ----------------------------------------------------------------------- */
1201 /**
1202 * Creates a new Tier 1 handle
1203 * and initializes the look-up tables of the Tier-1 coder/decoder
1204 * @return a new T1 handle if successful, returns NULL otherwise
1205 */
opj_t1_create()1206 opj_t1_t* opj_t1_create()
1207 {
1208 opj_t1_t *l_t1 = 00;
1209
1210 l_t1 = (opj_t1_t*) opj_malloc(sizeof(opj_t1_t));
1211 if (!l_t1) {
1212 return 00;
1213 }
1214 memset(l_t1,0,sizeof(opj_t1_t));
1215
1216 /* create MQC and RAW handles */
1217 l_t1->mqc = opj_mqc_create();
1218 if (! l_t1->mqc) {
1219 opj_t1_destroy(l_t1);
1220 return 00;
1221 }
1222
1223 l_t1->raw = opj_raw_create();
1224 if (! l_t1->raw) {
1225 opj_t1_destroy(l_t1);
1226 return 00;
1227 }
1228
1229 return l_t1;
1230 }
1231
1232
1233 /**
1234 * Destroys a previously created T1 handle
1235 *
1236 * @param p_t1 Tier 1 handle to destroy
1237 */
opj_t1_destroy(opj_t1_t * p_t1)1238 void opj_t1_destroy(opj_t1_t *p_t1)
1239 {
1240 if (! p_t1) {
1241 return;
1242 }
1243
1244 /* destroy MQC and RAW handles */
1245 opj_mqc_destroy(p_t1->mqc);
1246 p_t1->mqc = 00;
1247 opj_raw_destroy(p_t1->raw);
1248 p_t1->raw = 00;
1249
1250 if (p_t1->data) {
1251 opj_aligned_free(p_t1->data);
1252 p_t1->data = 00;
1253 }
1254
1255 if (p_t1->flags) {
1256 opj_aligned_free(p_t1->flags);
1257 p_t1->flags = 00;
1258 }
1259
1260 opj_free(p_t1);
1261 }
1262
opj_t1_decode_cblks(opj_t1_t * t1,opj_tcd_tilecomp_t * tilec,opj_tccp_t * tccp)1263 OPJ_BOOL opj_t1_decode_cblks( opj_t1_t* t1,
1264 opj_tcd_tilecomp_t* tilec,
1265 opj_tccp_t* tccp
1266 )
1267 {
1268 OPJ_UINT32 resno, bandno, precno, cblkno;
1269 OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
1270
1271 for (resno = 0; resno < tilec->minimum_num_resolutions; ++resno) {
1272 opj_tcd_resolution_t* res = &tilec->resolutions[resno];
1273
1274 for (bandno = 0; bandno < res->numbands; ++bandno) {
1275 opj_tcd_band_t* restrict band = &res->bands[bandno];
1276
1277 for (precno = 0; precno < res->pw * res->ph; ++precno) {
1278 opj_tcd_precinct_t* precinct = &band->precincts[precno];
1279
1280 for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
1281 opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno];
1282 OPJ_INT32* restrict datap;
1283 /*void* restrict tiledp;*/
1284 OPJ_UINT32 cblk_w, cblk_h;
1285 OPJ_INT32 x, y;
1286 OPJ_UINT32 i, j;
1287
1288 if (OPJ_FALSE == opj_t1_decode_cblk(
1289 t1,
1290 cblk,
1291 band->bandno,
1292 (OPJ_UINT32)tccp->roishift,
1293 tccp->cblksty)) {
1294 return OPJ_FALSE;
1295 }
1296
1297 x = cblk->x0 - band->x0;
1298 y = cblk->y0 - band->y0;
1299 if (band->bandno & 1) {
1300 opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
1301 x += pres->x1 - pres->x0;
1302 }
1303 if (band->bandno & 2) {
1304 opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
1305 y += pres->y1 - pres->y0;
1306 }
1307
1308 datap=t1->data;
1309 cblk_w = t1->w;
1310 cblk_h = t1->h;
1311
1312 if (tccp->roishift) {
1313 OPJ_INT32 thresh = 1 << tccp->roishift;
1314 for (j = 0; j < cblk_h; ++j) {
1315 for (i = 0; i < cblk_w; ++i) {
1316 OPJ_INT32 val = datap[(j * cblk_w) + i];
1317 OPJ_INT32 mag = abs(val);
1318 if (mag >= thresh) {
1319 mag >>= tccp->roishift;
1320 datap[(j * cblk_w) + i] = val < 0 ? -mag : mag;
1321 }
1322 }
1323 }
1324 }
1325
1326 /*tiledp=(void*)&tilec->data[(y * tile_w) + x];*/
1327 if (tccp->qmfbid == 1) {
1328 OPJ_INT32* restrict tiledp = &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
1329 for (j = 0; j < cblk_h; ++j) {
1330 for (i = 0; i < cblk_w; ++i) {
1331 OPJ_INT32 tmp = datap[(j * cblk_w) + i];
1332 ((OPJ_INT32*)tiledp)[(j * tile_w) + i] = tmp / 2;
1333 }
1334 }
1335 } else { /* if (tccp->qmfbid == 0) */
1336 OPJ_FLOAT32* restrict tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
1337 for (j = 0; j < cblk_h; ++j) {
1338 OPJ_FLOAT32* restrict tiledp2 = tiledp;
1339 for (i = 0; i < cblk_w; ++i) {
1340 OPJ_FLOAT32 tmp = (OPJ_FLOAT32)*datap * band->stepsize;
1341 *tiledp2 = tmp;
1342 datap++;
1343 tiledp2++;
1344 /*float tmp = datap[(j * cblk_w) + i] * band->stepsize;
1345 ((float*)tiledp)[(j * tile_w) + i] = tmp;*/
1346
1347 }
1348 tiledp += tile_w;
1349 }
1350 }
1351 /*opj_free(cblk->data);
1352 opj_free(cblk->segs);*/
1353 /*cblk->segs = 00;*/
1354 } /* cblkno */
1355 /*opj_free(precinct->cblks.dec);*/
1356 } /* precno */
1357 } /* bandno */
1358 } /* resno */
1359 return OPJ_TRUE;
1360 }
1361
1362
opj_t1_decode_cblk(opj_t1_t * t1,opj_tcd_cblk_dec_t * cblk,OPJ_UINT32 orient,OPJ_UINT32 roishift,OPJ_UINT32 cblksty)1363 OPJ_BOOL opj_t1_decode_cblk(opj_t1_t *t1,
1364 opj_tcd_cblk_dec_t* cblk,
1365 OPJ_UINT32 orient,
1366 OPJ_UINT32 roishift,
1367 OPJ_UINT32 cblksty)
1368 {
1369 opj_raw_t *raw = t1->raw; /* RAW component */
1370 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1371
1372 OPJ_INT32 bpno;
1373 OPJ_UINT32 passtype;
1374 OPJ_UINT32 segno, passno;
1375 OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */
1376
1377 if(!opj_t1_allocate_buffers(
1378 t1,
1379 (OPJ_UINT32)(cblk->x1 - cblk->x0),
1380 (OPJ_UINT32)(cblk->y1 - cblk->y0)))
1381 {
1382 return OPJ_FALSE;
1383 }
1384
1385 bpno = (OPJ_INT32)(roishift + cblk->numbps - 1);
1386 passtype = 2;
1387
1388 opj_mqc_resetstates(mqc);
1389 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
1390 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
1391 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
1392
1393 for (segno = 0; segno < cblk->real_num_segs; ++segno) {
1394 opj_tcd_seg_t *seg = &cblk->segs[segno];
1395
1396 /* BYPASS mode */
1397 type = ((bpno <= ((OPJ_INT32) (cblk->numbps) - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
1398 /* FIXME: slviewer gets here with a null pointer. Why? Partially downloaded and/or corrupt textures? */
1399 if(seg->data == 00){
1400 continue;
1401 }
1402 if (type == T1_TYPE_RAW) {
1403 opj_raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len);
1404 } else {
1405 if (OPJ_FALSE == opj_mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len)) {
1406 return OPJ_FALSE;
1407 }
1408 }
1409
1410 for (passno = 0; passno < seg->real_num_passes; ++passno) {
1411 switch (passtype) {
1412 case 0:
1413 if (type == T1_TYPE_RAW) {
1414 opj_t1_dec_sigpass_raw(t1, bpno+1, (OPJ_INT32)orient, (OPJ_INT32)cblksty);
1415 } else {
1416 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
1417 opj_t1_dec_sigpass_mqc_vsc(t1, bpno+1, (OPJ_INT32)orient);
1418 } else {
1419 opj_t1_dec_sigpass_mqc(t1, bpno+1, (OPJ_INT32)orient);
1420 }
1421 }
1422 break;
1423 case 1:
1424 if (type == T1_TYPE_RAW) {
1425 opj_t1_dec_refpass_raw(t1, bpno+1, (OPJ_INT32)cblksty);
1426 } else {
1427 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
1428 opj_t1_dec_refpass_mqc_vsc(t1, bpno+1);
1429 } else {
1430 opj_t1_dec_refpass_mqc(t1, bpno+1);
1431 }
1432 }
1433 break;
1434 case 2:
1435 opj_t1_dec_clnpass(t1, bpno+1, (OPJ_INT32)orient, (OPJ_INT32)cblksty);
1436 break;
1437 }
1438
1439 if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
1440 opj_mqc_resetstates(mqc);
1441 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
1442 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
1443 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
1444 }
1445 if (++passtype == 3) {
1446 passtype = 0;
1447 bpno--;
1448 }
1449 }
1450 }
1451 return OPJ_TRUE;
1452 }
1453
1454
1455
1456
opj_t1_encode_cblks(opj_t1_t * t1,opj_tcd_tile_t * tile,opj_tcp_t * tcp,const OPJ_FLOAT64 * mct_norms)1457 OPJ_BOOL opj_t1_encode_cblks( opj_t1_t *t1,
1458 opj_tcd_tile_t *tile,
1459 opj_tcp_t *tcp,
1460 const OPJ_FLOAT64 * mct_norms
1461 )
1462 {
1463 OPJ_UINT32 compno, resno, bandno, precno, cblkno;
1464
1465 tile->distotile = 0; /* fixed_quality */
1466
1467 for (compno = 0; compno < tile->numcomps; ++compno) {
1468 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1469 opj_tccp_t* tccp = &tcp->tccps[compno];
1470 OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
1471
1472 for (resno = 0; resno < tilec->numresolutions; ++resno) {
1473 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1474
1475 for (bandno = 0; bandno < res->numbands; ++bandno) {
1476 opj_tcd_band_t* restrict band = &res->bands[bandno];
1477 OPJ_INT32 bandconst = 8192 * 8192 / ((OPJ_INT32) floor(band->stepsize * 8192));
1478
1479 for (precno = 0; precno < res->pw * res->ph; ++precno) {
1480 opj_tcd_precinct_t *prc = &band->precincts[precno];
1481
1482 for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
1483 opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
1484 OPJ_INT32 * restrict datap;
1485 OPJ_INT32* restrict tiledp;
1486 OPJ_UINT32 cblk_w;
1487 OPJ_UINT32 cblk_h;
1488 OPJ_UINT32 i, j;
1489
1490 OPJ_INT32 x = cblk->x0 - band->x0;
1491 OPJ_INT32 y = cblk->y0 - band->y0;
1492 if (band->bandno & 1) {
1493 opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
1494 x += pres->x1 - pres->x0;
1495 }
1496 if (band->bandno & 2) {
1497 opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
1498 y += pres->y1 - pres->y0;
1499 }
1500
1501 if(!opj_t1_allocate_buffers(
1502 t1,
1503 (OPJ_UINT32)(cblk->x1 - cblk->x0),
1504 (OPJ_UINT32)(cblk->y1 - cblk->y0)))
1505 {
1506 return OPJ_FALSE;
1507 }
1508
1509 datap=t1->data;
1510 cblk_w = t1->w;
1511 cblk_h = t1->h;
1512
1513 tiledp=&tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
1514 if (tccp->qmfbid == 1) {
1515 for (j = 0; j < cblk_h; ++j) {
1516 for (i = 0; i < cblk_w; ++i) {
1517 OPJ_INT32 tmp = tiledp[(j * tile_w) + i];
1518 datap[(j * cblk_w) + i] = tmp << T1_NMSEDEC_FRACBITS;
1519 }
1520 }
1521 } else { /* if (tccp->qmfbid == 0) */
1522 for (j = 0; j < cblk_h; ++j) {
1523 for (i = 0; i < cblk_w; ++i) {
1524 OPJ_INT32 tmp = tiledp[(j * tile_w) + i];
1525 datap[(j * cblk_w) + i] =
1526 opj_int_fix_mul(
1527 tmp,
1528 bandconst) >> (11 - T1_NMSEDEC_FRACBITS);
1529 }
1530 }
1531 }
1532
1533 opj_t1_encode_cblk(
1534 t1,
1535 cblk,
1536 band->bandno,
1537 compno,
1538 tilec->numresolutions - 1 - resno,
1539 tccp->qmfbid,
1540 band->stepsize,
1541 tccp->cblksty,
1542 tile->numcomps,
1543 tile,
1544 mct_norms);
1545
1546 } /* cblkno */
1547 } /* precno */
1548 } /* bandno */
1549 } /* resno */
1550 } /* compno */
1551 return OPJ_TRUE;
1552 }
1553
1554 /** 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)1555 void opj_t1_encode_cblk(opj_t1_t *t1,
1556 opj_tcd_cblk_enc_t* cblk,
1557 OPJ_UINT32 orient,
1558 OPJ_UINT32 compno,
1559 OPJ_UINT32 level,
1560 OPJ_UINT32 qmfbid,
1561 OPJ_FLOAT64 stepsize,
1562 OPJ_UINT32 cblksty,
1563 OPJ_UINT32 numcomps,
1564 opj_tcd_tile_t * tile,
1565 const OPJ_FLOAT64 * mct_norms)
1566 {
1567 OPJ_FLOAT64 cumwmsedec = 0.0;
1568
1569 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1570
1571 OPJ_UINT32 passno;
1572 OPJ_INT32 bpno;
1573 OPJ_UINT32 passtype;
1574 OPJ_INT32 nmsedec = 0;
1575 OPJ_INT32 max;
1576 OPJ_UINT32 i;
1577 OPJ_BYTE type = T1_TYPE_MQ;
1578 OPJ_FLOAT64 tempwmsedec;
1579
1580 max = 0;
1581 for (i = 0; i < t1->w * t1->h; ++i) {
1582 OPJ_INT32 tmp = abs(t1->data[i]);
1583 max = opj_int_max(max, tmp);
1584 }
1585
1586 cblk->numbps = max ? (OPJ_UINT32)((opj_int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS) : 0;
1587
1588 bpno = (OPJ_INT32)(cblk->numbps - 1);
1589 passtype = 2;
1590
1591 opj_mqc_resetstates(mqc);
1592 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
1593 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
1594 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
1595 opj_mqc_init_enc(mqc, cblk->data);
1596
1597 for (passno = 0; bpno >= 0; ++passno) {
1598 opj_tcd_pass_t *pass = &cblk->passes[passno];
1599 OPJ_UINT32 correction = 3;
1600 type = ((bpno < ((OPJ_INT32) (cblk->numbps) - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
1601
1602 switch (passtype) {
1603 case 0:
1604 opj_t1_enc_sigpass(t1, bpno, orient, &nmsedec, type, cblksty);
1605 break;
1606 case 1:
1607 opj_t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty);
1608 break;
1609 case 2:
1610 opj_t1_enc_clnpass(t1, bpno, orient, &nmsedec, cblksty);
1611 /* code switch SEGMARK (i.e. SEGSYM) */
1612 if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
1613 opj_mqc_segmark_enc(mqc);
1614 break;
1615 }
1616
1617 /* fixed_quality */
1618 tempwmsedec = opj_t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps,mct_norms) ;
1619 cumwmsedec += tempwmsedec;
1620 tile->distotile += tempwmsedec;
1621
1622 /* Code switch "RESTART" (i.e. TERMALL) */
1623 if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) {
1624 if (type == T1_TYPE_RAW) {
1625 opj_mqc_flush(mqc);
1626 correction = 1;
1627 /* correction = mqc_bypass_flush_enc(); */
1628 } else { /* correction = mqc_restart_enc(); */
1629 opj_mqc_flush(mqc);
1630 correction = 1;
1631 }
1632 pass->term = 1;
1633 } else {
1634 if (((bpno < ((OPJ_INT32) (cblk->numbps) - 4) && (passtype > 0))
1635 || ((bpno == ((OPJ_INT32)cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {
1636 if (type == T1_TYPE_RAW) {
1637 opj_mqc_flush(mqc);
1638 correction = 1;
1639 /* correction = mqc_bypass_flush_enc(); */
1640 } else { /* correction = mqc_restart_enc(); */
1641 opj_mqc_flush(mqc);
1642 correction = 1;
1643 }
1644 pass->term = 1;
1645 } else {
1646 pass->term = 0;
1647 }
1648 }
1649
1650 if (++passtype == 3) {
1651 passtype = 0;
1652 bpno--;
1653 }
1654
1655 if (pass->term && bpno > 0) {
1656 type = ((bpno < ((OPJ_INT32) (cblk->numbps) - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
1657 if (type == T1_TYPE_RAW)
1658 opj_mqc_bypass_init_enc(mqc);
1659 else
1660 opj_mqc_restart_init_enc(mqc);
1661 }
1662
1663 pass->distortiondec = cumwmsedec;
1664 pass->rate = opj_mqc_numbytes(mqc) + correction; /* FIXME */
1665
1666 /* Code-switch "RESET" */
1667 if (cblksty & J2K_CCP_CBLKSTY_RESET)
1668 opj_mqc_reset_enc(mqc);
1669 }
1670
1671 /* Code switch "ERTERM" (i.e. PTERM) */
1672 if (cblksty & J2K_CCP_CBLKSTY_PTERM)
1673 opj_mqc_erterm_enc(mqc);
1674 else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
1675 opj_mqc_flush(mqc);
1676
1677 cblk->totalpasses = passno;
1678
1679 for (passno = 0; passno<cblk->totalpasses; passno++) {
1680 opj_tcd_pass_t *pass = &cblk->passes[passno];
1681 if (pass->rate > opj_mqc_numbytes(mqc))
1682 pass->rate = opj_mqc_numbytes(mqc);
1683 /*Preventing generation of FF as last data byte of a pass*/
1684 if((pass->rate>1) && (cblk->data[pass->rate - 1] == 0xFF)){
1685 pass->rate--;
1686 }
1687 pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
1688 }
1689 }
1690
1691 #if 0
1692 void opj_t1_dec_refpass_step( opj_t1_t *t1,
1693 opj_flag_t *flagsp,
1694 OPJ_INT32 *datap,
1695 OPJ_INT32 poshalf,
1696 OPJ_INT32 neghalf,
1697 OPJ_BYTE type,
1698 OPJ_UINT32 vsc)
1699 {
1700 OPJ_INT32 t;
1701 OPJ_UINT32 v,flag;
1702
1703 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1704 opj_raw_t *raw = t1->raw; /* RAW component */
1705
1706 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
1707 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
1708 opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag)); /* ESSAI */
1709 if (type == T1_TYPE_RAW) {
1710 v = opj_raw_decode(raw);
1711 } else {
1712 v = opj_mqc_decode(mqc);
1713 }
1714 t = v ? poshalf : neghalf;
1715 *datap += *datap < 0 ? -t : t;
1716 *flagsp |= T1_REFINE;
1717 }
1718 } /* VSC and BYPASS by Antonin */
1719 #endif
1720
1721
1722
1723 #if 0
1724 void opj_t1_dec_sigpass_step( opj_t1_t *t1,
1725 opj_flag_t *flagsp,
1726 OPJ_INT32 *datap,
1727 OPJ_UINT32 orient,
1728 OPJ_INT32 oneplushalf,
1729 OPJ_BYTE type,
1730 OPJ_UINT32 vsc)
1731 {
1732 OPJ_UINT32 v, flag;
1733
1734 opj_raw_t *raw = t1->raw; /* RAW component */
1735 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1736
1737 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
1738 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
1739 if (type == T1_TYPE_RAW) {
1740 if (opj_raw_decode(raw)) {
1741 v = opj_raw_decode(raw); /* ESSAI */
1742 *datap = v ? -oneplushalf : oneplushalf;
1743 opj_t1_updateflags(flagsp, v, t1->flags_stride);
1744 }
1745 } else {
1746 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient));
1747 if (opj_mqc_decode(mqc)) {
1748 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));
1749 v = opj_mqc_decode(mqc) ^ opj_t1_getspb(flag);
1750 *datap = v ? -oneplushalf : oneplushalf;
1751 opj_t1_updateflags(flagsp, v, t1->flags_stride);
1752 }
1753 }
1754 *flagsp |= T1_VISIT;
1755 }
1756 } /* VSC and BYPASS by Antonin */
1757 #endif
1758