1 /*
2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2001-2003, David Janssens
5 * Copyright (c) 2002-2003, Yannick Verschueren
6 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include "opj_includes.h"
34 #include "t1_luts.h"
35
36 /** @defgroup T1 T1 - Implementation of the tier-1 coding */
37 /*@{*/
38
39 /** @name Local static functions */
40 /*@{*/
41
42 static INLINE OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient);
43 static OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f);
44 static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f);
45 static OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f);
46 static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos);
47 static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos);
48 static void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride);
49 /**
50 Encode significant pass
51 */
52 static void opj_t1_enc_sigpass_step(opj_t1_t *t1,
53 opj_flag_t *flagsp,
54 OPJ_INT32 *datap,
55 OPJ_UINT32 orient,
56 OPJ_INT32 bpno,
57 OPJ_INT32 one,
58 OPJ_INT32 *nmsedec,
59 OPJ_BYTE type,
60 OPJ_UINT32 vsc);
61
62 /**
63 Decode significant pass
64 */
65 #if 0
66 static void opj_t1_dec_sigpass_step(opj_t1_t *t1,
67 opj_flag_t *flagsp,
68 OPJ_INT32 *datap,
69 OPJ_UINT32 orient,
70 OPJ_INT32 oneplushalf,
71 OPJ_BYTE type,
72 OPJ_UINT32 vsc);
73 #endif
74
75 static INLINE void opj_t1_dec_sigpass_step_raw(
76 opj_t1_t *t1,
77 opj_flag_t *flagsp,
78 OPJ_INT32 *datap,
79 OPJ_INT32 orient,
80 OPJ_INT32 oneplushalf,
81 OPJ_INT32 vsc);
82 static INLINE void opj_t1_dec_sigpass_step_mqc(
83 opj_t1_t *t1,
84 opj_flag_t *flagsp,
85 OPJ_INT32 *datap,
86 OPJ_INT32 orient,
87 OPJ_INT32 oneplushalf);
88 static INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
89 opj_t1_t *t1,
90 opj_flag_t *flagsp,
91 OPJ_INT32 *datap,
92 OPJ_INT32 orient,
93 OPJ_INT32 oneplushalf,
94 OPJ_INT32 vsc);
95
96
97 /**
98 Encode significant pass
99 */
100 static void opj_t1_enc_sigpass( opj_t1_t *t1,
101 OPJ_INT32 bpno,
102 OPJ_UINT32 orient,
103 OPJ_INT32 *nmsedec,
104 OPJ_BYTE type,
105 OPJ_UINT32 cblksty);
106
107 /**
108 Decode significant pass
109 */
110 static void opj_t1_dec_sigpass_raw(
111 opj_t1_t *t1,
112 OPJ_INT32 bpno,
113 OPJ_INT32 orient,
114 OPJ_INT32 cblksty);
115 static void opj_t1_dec_sigpass_mqc(
116 opj_t1_t *t1,
117 OPJ_INT32 bpno,
118 OPJ_INT32 orient);
119 static void opj_t1_dec_sigpass_mqc_vsc(
120 opj_t1_t *t1,
121 OPJ_INT32 bpno,
122 OPJ_INT32 orient);
123
124
125
126 /**
127 Encode refinement pass
128 */
129 static void opj_t1_enc_refpass_step(opj_t1_t *t1,
130 opj_flag_t *flagsp,
131 OPJ_INT32 *datap,
132 OPJ_INT32 bpno,
133 OPJ_INT32 one,
134 OPJ_INT32 *nmsedec,
135 OPJ_BYTE type,
136 OPJ_UINT32 vsc);
137
138
139 /**
140 Encode refinement pass
141 */
142 static void opj_t1_enc_refpass( opj_t1_t *t1,
143 OPJ_INT32 bpno,
144 OPJ_INT32 *nmsedec,
145 OPJ_BYTE type,
146 OPJ_UINT32 cblksty);
147
148 /**
149 Decode refinement pass
150 */
151 static void opj_t1_dec_refpass_raw(
152 opj_t1_t *t1,
153 OPJ_INT32 bpno,
154 OPJ_INT32 cblksty);
155 static void opj_t1_dec_refpass_mqc(
156 opj_t1_t *t1,
157 OPJ_INT32 bpno);
158 static void opj_t1_dec_refpass_mqc_vsc(
159 opj_t1_t *t1,
160 OPJ_INT32 bpno);
161
162
163 /**
164 Decode refinement pass
165 */
166 #if 0
167 static void opj_t1_dec_refpass_step(opj_t1_t *t1,
168 opj_flag_t *flagsp,
169 OPJ_INT32 *datap,
170 OPJ_INT32 poshalf,
171 OPJ_INT32 neghalf,
172 OPJ_BYTE type,
173 OPJ_UINT32 vsc);
174 #endif
175
176 static INLINE void opj_t1_dec_refpass_step_raw(
177 opj_t1_t *t1,
178 opj_flag_t *flagsp,
179 OPJ_INT32 *datap,
180 OPJ_INT32 poshalf,
181 OPJ_INT32 neghalf,
182 OPJ_INT32 vsc);
183 static INLINE void opj_t1_dec_refpass_step_mqc(
184 opj_t1_t *t1,
185 opj_flag_t *flagsp,
186 OPJ_INT32 *datap,
187 OPJ_INT32 poshalf,
188 OPJ_INT32 neghalf);
189 static INLINE void opj_t1_dec_refpass_step_mqc_vsc(
190 opj_t1_t *t1,
191 opj_flag_t *flagsp,
192 OPJ_INT32 *datap,
193 OPJ_INT32 poshalf,
194 OPJ_INT32 neghalf,
195 OPJ_INT32 vsc);
196
197
198
199 /**
200 Encode clean-up pass
201 */
202 static void opj_t1_enc_clnpass_step(
203 opj_t1_t *t1,
204 opj_flag_t *flagsp,
205 OPJ_INT32 *datap,
206 OPJ_UINT32 orient,
207 OPJ_INT32 bpno,
208 OPJ_INT32 one,
209 OPJ_INT32 *nmsedec,
210 OPJ_UINT32 partial,
211 OPJ_UINT32 vsc);
212 /**
213 Decode clean-up pass
214 */
215 static void opj_t1_dec_clnpass_step_partial(
216 opj_t1_t *t1,
217 opj_flag_t *flagsp,
218 OPJ_INT32 *datap,
219 OPJ_INT32 orient,
220 OPJ_INT32 oneplushalf);
221 static void opj_t1_dec_clnpass_step(
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_vsc(
228 opj_t1_t *t1,
229 opj_flag_t *flagsp,
230 OPJ_INT32 *datap,
231 OPJ_INT32 orient,
232 OPJ_INT32 oneplushalf,
233 OPJ_INT32 partial,
234 OPJ_INT32 vsc);
235 /**
236 Encode clean-up pass
237 */
238 static void opj_t1_enc_clnpass(
239 opj_t1_t *t1,
240 OPJ_INT32 bpno,
241 OPJ_UINT32 orient,
242 OPJ_INT32 *nmsedec,
243 OPJ_UINT32 cblksty);
244 /**
245 Decode clean-up pass
246 */
247 static void opj_t1_dec_clnpass(
248 opj_t1_t *t1,
249 OPJ_INT32 bpno,
250 OPJ_INT32 orient,
251 OPJ_INT32 cblksty);
252
253 static OPJ_FLOAT64 opj_t1_getwmsedec(
254 OPJ_INT32 nmsedec,
255 OPJ_UINT32 compno,
256 OPJ_UINT32 level,
257 OPJ_UINT32 orient,
258 OPJ_INT32 bpno,
259 OPJ_UINT32 qmfbid,
260 OPJ_FLOAT64 stepsize,
261 OPJ_UINT32 numcomps,
262 const OPJ_FLOAT64 * mct_norms);
263
264 static void opj_t1_encode_cblk( opj_t1_t *t1,
265 opj_tcd_cblk_enc_t* cblk,
266 OPJ_UINT32 orient,
267 OPJ_UINT32 compno,
268 OPJ_UINT32 level,
269 OPJ_UINT32 qmfbid,
270 OPJ_FLOAT64 stepsize,
271 OPJ_UINT32 cblksty,
272 OPJ_UINT32 numcomps,
273 opj_tcd_tile_t * tile,
274 const OPJ_FLOAT64 * mct_norms);
275
276 /**
277 Decode 1 code-block
278 @param t1 T1 handle
279 @param cblk Code-block coding parameters
280 @param orient
281 @param roishift Region of interest shifting value
282 @param cblksty Code-block style
283 */
284 static OPJ_BOOL opj_t1_decode_cblk( opj_t1_t *t1,
285 opj_tcd_cblk_dec_t* cblk,
286 OPJ_UINT32 orient,
287 OPJ_UINT32 roishift,
288 OPJ_UINT32 cblksty);
289
290 OPJ_BOOL opj_t1_allocate_buffers( opj_t1_t *t1,
291 OPJ_UINT32 w,
292 OPJ_UINT32 h);
293
294 /*@}*/
295
296 /*@}*/
297
298 /* ----------------------------------------------------------------------- */
299
opj_t1_getctxno_zc(OPJ_UINT32 f,OPJ_UINT32 orient)300 OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient) {
301 return lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
302 }
303
opj_t1_getctxno_sc(OPJ_UINT32 f)304 OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f) {
305 return lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
306 }
307
opj_t1_getctxno_mag(OPJ_UINT32 f)308 OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f) {
309 OPJ_UINT32 tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
310 OPJ_UINT32 tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1;
311 return (tmp2);
312 }
313
opj_t1_getspb(OPJ_UINT32 f)314 OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f) {
315 return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
316 }
317
opj_t1_getnmsedec_sig(OPJ_UINT32 x,OPJ_UINT32 bitpos)318 OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos) {
319 if (bitpos > T1_NMSEDEC_FRACBITS) {
320 return lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
321 }
322
323 return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
324 }
325
opj_t1_getnmsedec_ref(OPJ_UINT32 x,OPJ_UINT32 bitpos)326 OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos) {
327 if (bitpos > T1_NMSEDEC_FRACBITS) {
328 return lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
329 }
330
331 return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
332 }
333
opj_t1_updateflags(opj_flag_t * flagsp,OPJ_UINT32 s,OPJ_UINT32 stride)334 void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride) {
335 opj_flag_t *np = flagsp - stride;
336 opj_flag_t *sp = flagsp + stride;
337
338 static const opj_flag_t mod[] = {
339 T1_SIG_S, T1_SIG_S|T1_SGN_S,
340 T1_SIG_E, T1_SIG_E|T1_SGN_E,
341 T1_SIG_W, T1_SIG_W|T1_SGN_W,
342 T1_SIG_N, T1_SIG_N|T1_SGN_N
343 };
344
345 np[-1] |= T1_SIG_SE;
346 np[0] |= mod[s];
347 np[1] |= T1_SIG_SW;
348
349 flagsp[-1] |= mod[s+2];
350 flagsp[0] |= T1_SIG;
351 flagsp[1] |= mod[s+4];
352
353 sp[-1] |= T1_SIG_NE;
354 sp[0] |= mod[s+6];
355 sp[1] |= T1_SIG_NW;
356 }
357
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)358 void opj_t1_enc_sigpass_step( opj_t1_t *t1,
359 opj_flag_t *flagsp,
360 OPJ_INT32 *datap,
361 OPJ_UINT32 orient,
362 OPJ_INT32 bpno,
363 OPJ_INT32 one,
364 OPJ_INT32 *nmsedec,
365 OPJ_BYTE type,
366 OPJ_UINT32 vsc
367 )
368 {
369 OPJ_INT32 v;
370 OPJ_UINT32 flag;
371
372 opj_mqc_t *mqc = t1->mqc; /* MQC component */
373
374 flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
375 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
376 v = opj_int_abs(*datap) & one ? 1 : 0;
377 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient)); /* ESSAI */
378 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
379 opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
380 } else {
381 opj_mqc_encode(mqc, (OPJ_UINT32)v);
382 }
383 if (v) {
384 v = *datap < 0 ? 1 : 0;
385 *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
386 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag)); /* ESSAI */
387 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
388 opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
389 } else {
390 opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag)));
391 }
392 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
393 }
394 *flagsp |= T1_VISIT;
395 }
396 }
397
398
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)399 static INLINE void opj_t1_dec_sigpass_step_raw(
400 opj_t1_t *t1,
401 opj_flag_t *flagsp,
402 OPJ_INT32 *datap,
403 OPJ_INT32 orient,
404 OPJ_INT32 oneplushalf,
405 OPJ_INT32 vsc)
406 {
407 OPJ_INT32 v, flag;
408 opj_raw_t *raw = t1->raw; /* RAW component */
409 OPJ_ARG_NOT_USED(orient);
410
411 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
412 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
413 if (opj_raw_decode(raw)) {
414 v = (OPJ_INT32)opj_raw_decode(raw); /* ESSAI */
415 *datap = v ? -oneplushalf : oneplushalf;
416 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
417 }
418 *flagsp |= T1_VISIT;
419 }
420 }
421
opj_t1_dec_sigpass_step_mqc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf)422 INLINE void opj_t1_dec_sigpass_step_mqc(
423 opj_t1_t *t1,
424 opj_flag_t *flagsp,
425 OPJ_INT32 *datap,
426 OPJ_INT32 orient,
427 OPJ_INT32 oneplushalf)
428 {
429 OPJ_INT32 v, flag;
430
431 opj_mqc_t *mqc = t1->mqc; /* MQC component */
432
433 flag = *flagsp;
434 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
435 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
436 if (opj_mqc_decode(mqc)) {
437 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
438 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
439 *datap = v ? -oneplushalf : oneplushalf;
440 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
441 }
442 *flagsp |= T1_VISIT;
443 }
444 } /* VSC and BYPASS by Antonin */
445
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)446 INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
447 opj_t1_t *t1,
448 opj_flag_t *flagsp,
449 OPJ_INT32 *datap,
450 OPJ_INT32 orient,
451 OPJ_INT32 oneplushalf,
452 OPJ_INT32 vsc)
453 {
454 OPJ_INT32 v, flag;
455
456 opj_mqc_t *mqc = t1->mqc; /* MQC component */
457
458 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
459 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
460 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
461 if (opj_mqc_decode(mqc)) {
462 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
463 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
464 *datap = v ? -oneplushalf : oneplushalf;
465 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
466 }
467 *flagsp |= T1_VISIT;
468 }
469 } /* VSC and BYPASS by Antonin */
470
471
472
opj_t1_enc_sigpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_UINT32 orient,OPJ_INT32 * nmsedec,OPJ_BYTE type,OPJ_UINT32 cblksty)473 void opj_t1_enc_sigpass(opj_t1_t *t1,
474 OPJ_INT32 bpno,
475 OPJ_UINT32 orient,
476 OPJ_INT32 *nmsedec,
477 OPJ_BYTE type,
478 OPJ_UINT32 cblksty
479 )
480 {
481 OPJ_UINT32 i, j, k, vsc;
482 OPJ_INT32 one;
483
484 *nmsedec = 0;
485 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
486 for (k = 0; k < t1->h; k += 4) {
487 for (i = 0; i < t1->w; ++i) {
488 for (j = k; j < k + 4 && j < t1->h; ++j) {
489 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
490 opj_t1_enc_sigpass_step(
491 t1,
492 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
493 &t1->data[(j * t1->w) + i],
494 orient,
495 bpno,
496 one,
497 nmsedec,
498 type,
499 vsc);
500 }
501 }
502 }
503 }
504
opj_t1_dec_sigpass_raw(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 orient,OPJ_INT32 cblksty)505 void opj_t1_dec_sigpass_raw(
506 opj_t1_t *t1,
507 OPJ_INT32 bpno,
508 OPJ_INT32 orient,
509 OPJ_INT32 cblksty)
510 {
511 OPJ_INT32 one, half, oneplushalf, vsc;
512 OPJ_UINT32 i, j, k;
513 one = 1 << bpno;
514 half = one >> 1;
515 oneplushalf = one | half;
516 for (k = 0; k < t1->h; k += 4) {
517 for (i = 0; i < t1->w; ++i) {
518 for (j = k; j < k + 4 && j < t1->h; ++j) {
519 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
520 opj_t1_dec_sigpass_step_raw(
521 t1,
522 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
523 &t1->data[(j * t1->w) + i],
524 orient,
525 oneplushalf,
526 vsc);
527 }
528 }
529 }
530 } /* VSC and BYPASS by Antonin */
531
opj_t1_dec_sigpass_mqc(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 orient)532 void opj_t1_dec_sigpass_mqc(
533 opj_t1_t *t1,
534 OPJ_INT32 bpno,
535 OPJ_INT32 orient)
536 {
537 OPJ_INT32 one, half, oneplushalf;
538 OPJ_UINT32 i, j, k;
539 OPJ_INT32 *data1 = t1->data;
540 opj_flag_t *flags1 = &t1->flags[1];
541 one = 1 << bpno;
542 half = one >> 1;
543 oneplushalf = one | half;
544 for (k = 0; k < (t1->h & ~3u); k += 4) {
545 for (i = 0; i < t1->w; ++i) {
546 OPJ_INT32 *data2 = data1 + i;
547 opj_flag_t *flags2 = flags1 + i;
548 flags2 += t1->flags_stride;
549 opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
550 data2 += t1->w;
551 flags2 += t1->flags_stride;
552 opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
553 data2 += t1->w;
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 }
561 data1 += t1->w << 2;
562 flags1 += t1->flags_stride << 2;
563 }
564 for (i = 0; i < t1->w; ++i) {
565 OPJ_INT32 *data2 = data1 + i;
566 opj_flag_t *flags2 = flags1 + i;
567 for (j = k; j < t1->h; ++j) {
568 flags2 += t1->flags_stride;
569 opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
570 data2 += t1->w;
571 }
572 }
573 } /* VSC and BYPASS by Antonin */
574
opj_t1_dec_sigpass_mqc_vsc(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 orient)575 void opj_t1_dec_sigpass_mqc_vsc(
576 opj_t1_t *t1,
577 OPJ_INT32 bpno,
578 OPJ_INT32 orient)
579 {
580 OPJ_INT32 one, half, oneplushalf, vsc;
581 OPJ_UINT32 i, j, k;
582 one = 1 << bpno;
583 half = one >> 1;
584 oneplushalf = one | half;
585 for (k = 0; k < t1->h; k += 4) {
586 for (i = 0; i < t1->w; ++i) {
587 for (j = k; j < k + 4 && j < t1->h; ++j) {
588 vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
589 opj_t1_dec_sigpass_step_mqc_vsc(
590 t1,
591 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
592 &t1->data[(j * t1->w) + i],
593 orient,
594 oneplushalf,
595 vsc);
596 }
597 }
598 }
599 } /* VSC and BYPASS by Antonin */
600
601
602
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)603 void opj_t1_enc_refpass_step( opj_t1_t *t1,
604 opj_flag_t *flagsp,
605 OPJ_INT32 *datap,
606 OPJ_INT32 bpno,
607 OPJ_INT32 one,
608 OPJ_INT32 *nmsedec,
609 OPJ_BYTE type,
610 OPJ_UINT32 vsc)
611 {
612 OPJ_INT32 v;
613 OPJ_UINT32 flag;
614
615 opj_mqc_t *mqc = t1->mqc; /* MQC component */
616
617 flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
618 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
619 *nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
620 v = opj_int_abs(*datap) & one ? 1 : 0;
621 opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag)); /* ESSAI */
622 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
623 opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
624 } else {
625 opj_mqc_encode(mqc, (OPJ_UINT32)v);
626 }
627 *flagsp |= T1_REFINE;
628 }
629 }
630
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)631 INLINE void opj_t1_dec_refpass_step_raw(
632 opj_t1_t *t1,
633 opj_flag_t *flagsp,
634 OPJ_INT32 *datap,
635 OPJ_INT32 poshalf,
636 OPJ_INT32 neghalf,
637 OPJ_INT32 vsc)
638 {
639 OPJ_INT32 v, t, flag;
640
641 opj_raw_t *raw = t1->raw; /* RAW component */
642
643 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
644 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
645 v = (OPJ_INT32)opj_raw_decode(raw);
646 t = v ? poshalf : neghalf;
647 *datap += *datap < 0 ? -t : t;
648 *flagsp |= T1_REFINE;
649 }
650 } /* VSC and BYPASS by Antonin */
651
opj_t1_dec_refpass_step_mqc(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 poshalf,OPJ_INT32 neghalf)652 INLINE void opj_t1_dec_refpass_step_mqc(
653 opj_t1_t *t1,
654 opj_flag_t *flagsp,
655 OPJ_INT32 *datap,
656 OPJ_INT32 poshalf,
657 OPJ_INT32 neghalf)
658 {
659 OPJ_INT32 v, t, flag;
660
661 opj_mqc_t *mqc = t1->mqc; /* MQC component */
662
663 flag = *flagsp;
664 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
665 opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag)); /* ESSAI */
666 v = opj_mqc_decode(mqc);
667 t = v ? poshalf : neghalf;
668 *datap += *datap < 0 ? -t : t;
669 *flagsp |= T1_REFINE;
670 }
671 } /* VSC and BYPASS by Antonin */
672
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)673 INLINE void opj_t1_dec_refpass_step_mqc_vsc(
674 opj_t1_t *t1,
675 opj_flag_t *flagsp,
676 OPJ_INT32 *datap,
677 OPJ_INT32 poshalf,
678 OPJ_INT32 neghalf,
679 OPJ_INT32 vsc)
680 {
681 OPJ_INT32 v, t, flag;
682
683 opj_mqc_t *mqc = t1->mqc; /* MQC component */
684
685 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
686 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
687 opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag)); /* ESSAI */
688 v = opj_mqc_decode(mqc);
689 t = v ? poshalf : neghalf;
690 *datap += *datap < 0 ? -t : t;
691 *flagsp |= T1_REFINE;
692 }
693 } /* VSC and BYPASS by Antonin */
694
695
opj_t1_enc_refpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 * nmsedec,OPJ_BYTE type,OPJ_UINT32 cblksty)696 void opj_t1_enc_refpass(
697 opj_t1_t *t1,
698 OPJ_INT32 bpno,
699 OPJ_INT32 *nmsedec,
700 OPJ_BYTE type,
701 OPJ_UINT32 cblksty)
702 {
703 OPJ_UINT32 i, j, k, vsc;
704 OPJ_INT32 one;
705
706 *nmsedec = 0;
707 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
708 for (k = 0; k < t1->h; k += 4) {
709 for (i = 0; i < t1->w; ++i) {
710 for (j = k; j < k + 4 && j < t1->h; ++j) {
711 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
712 opj_t1_enc_refpass_step(
713 t1,
714 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
715 &t1->data[(j * t1->w) + i],
716 bpno,
717 one,
718 nmsedec,
719 type,
720 vsc);
721 }
722 }
723 }
724 }
725
opj_t1_dec_refpass_raw(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 cblksty)726 void opj_t1_dec_refpass_raw(
727 opj_t1_t *t1,
728 OPJ_INT32 bpno,
729 OPJ_INT32 cblksty)
730 {
731 OPJ_INT32 one, poshalf, neghalf;
732 OPJ_UINT32 i, j, k;
733 OPJ_INT32 vsc;
734 one = 1 << bpno;
735 poshalf = one >> 1;
736 neghalf = bpno > 0 ? -poshalf : -1;
737 for (k = 0; k < t1->h; k += 4) {
738 for (i = 0; i < t1->w; ++i) {
739 for (j = k; j < k + 4 && j < t1->h; ++j) {
740 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
741 opj_t1_dec_refpass_step_raw(
742 t1,
743 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
744 &t1->data[(j * t1->w) + i],
745 poshalf,
746 neghalf,
747 vsc);
748 }
749 }
750 }
751 } /* VSC and BYPASS by Antonin */
752
opj_t1_dec_refpass_mqc(opj_t1_t * t1,OPJ_INT32 bpno)753 void opj_t1_dec_refpass_mqc(
754 opj_t1_t *t1,
755 OPJ_INT32 bpno)
756 {
757 OPJ_INT32 one, poshalf, neghalf;
758 OPJ_UINT32 i, j, k;
759 OPJ_INT32 *data1 = t1->data;
760 opj_flag_t *flags1 = &t1->flags[1];
761 one = 1 << bpno;
762 poshalf = one >> 1;
763 neghalf = bpno > 0 ? -poshalf : -1;
764 for (k = 0; k < (t1->h & ~3u); k += 4) {
765 for (i = 0; i < t1->w; ++i) {
766 OPJ_INT32 *data2 = data1 + i;
767 opj_flag_t *flags2 = flags1 + i;
768 flags2 += t1->flags_stride;
769 opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
770 data2 += t1->w;
771 flags2 += t1->flags_stride;
772 opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
773 data2 += t1->w;
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 }
781 data1 += t1->w << 2;
782 flags1 += t1->flags_stride << 2;
783 }
784 for (i = 0; i < t1->w; ++i) {
785 OPJ_INT32 *data2 = data1 + i;
786 opj_flag_t *flags2 = flags1 + i;
787 for (j = k; j < t1->h; ++j) {
788 flags2 += t1->flags_stride;
789 opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
790 data2 += t1->w;
791 }
792 }
793 } /* VSC and BYPASS by Antonin */
794
opj_t1_dec_refpass_mqc_vsc(opj_t1_t * t1,OPJ_INT32 bpno)795 void opj_t1_dec_refpass_mqc_vsc(
796 opj_t1_t *t1,
797 OPJ_INT32 bpno)
798 {
799 OPJ_INT32 one, poshalf, neghalf;
800 OPJ_UINT32 i, j, k;
801 OPJ_INT32 vsc;
802 one = 1 << bpno;
803 poshalf = one >> 1;
804 neghalf = bpno > 0 ? -poshalf : -1;
805 for (k = 0; k < t1->h; k += 4) {
806 for (i = 0; i < t1->w; ++i) {
807 for (j = k; j < k + 4 && j < t1->h; ++j) {
808 vsc = ((j == k + 3 || j == t1->h - 1)) ? 1 : 0;
809 opj_t1_dec_refpass_step_mqc_vsc(
810 t1,
811 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
812 &t1->data[(j * t1->w) + i],
813 poshalf,
814 neghalf,
815 vsc);
816 }
817 }
818 }
819 } /* VSC and BYPASS by Antonin */
820
821
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)822 void opj_t1_enc_clnpass_step(
823 opj_t1_t *t1,
824 opj_flag_t *flagsp,
825 OPJ_INT32 *datap,
826 OPJ_UINT32 orient,
827 OPJ_INT32 bpno,
828 OPJ_INT32 one,
829 OPJ_INT32 *nmsedec,
830 OPJ_UINT32 partial,
831 OPJ_UINT32 vsc)
832 {
833 OPJ_INT32 v;
834 OPJ_UINT32 flag;
835
836 opj_mqc_t *mqc = t1->mqc; /* MQC component */
837
838 flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
839 if (partial) {
840 goto LABEL_PARTIAL;
841 }
842 if (!(*flagsp & (T1_SIG | T1_VISIT))) {
843 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient));
844 v = opj_int_abs(*datap) & one ? 1 : 0;
845 opj_mqc_encode(mqc, (OPJ_UINT32)v);
846 if (v) {
847 LABEL_PARTIAL:
848 *nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
849 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));
850 v = *datap < 0 ? 1 : 0;
851 opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag)));
852 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
853 }
854 }
855 *flagsp &= ~T1_VISIT;
856 }
857
opj_t1_dec_clnpass_step_partial(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf)858 static void opj_t1_dec_clnpass_step_partial(
859 opj_t1_t *t1,
860 opj_flag_t *flagsp,
861 OPJ_INT32 *datap,
862 OPJ_INT32 orient,
863 OPJ_INT32 oneplushalf)
864 {
865 OPJ_INT32 v, flag;
866 opj_mqc_t *mqc = t1->mqc; /* MQC component */
867
868 OPJ_ARG_NOT_USED(orient);
869
870 flag = *flagsp;
871 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
872 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
873 *datap = v ? -oneplushalf : oneplushalf;
874 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
875 *flagsp &= ~T1_VISIT;
876 } /* VSC and BYPASS by Antonin */
877
opj_t1_dec_clnpass_step(opj_t1_t * t1,opj_flag_t * flagsp,OPJ_INT32 * datap,OPJ_INT32 orient,OPJ_INT32 oneplushalf)878 static void opj_t1_dec_clnpass_step(
879 opj_t1_t *t1,
880 opj_flag_t *flagsp,
881 OPJ_INT32 *datap,
882 OPJ_INT32 orient,
883 OPJ_INT32 oneplushalf)
884 {
885 OPJ_INT32 v, flag;
886
887 opj_mqc_t *mqc = t1->mqc; /* MQC component */
888
889 flag = *flagsp;
890 if (!(flag & (T1_SIG | T1_VISIT))) {
891 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
892 if (opj_mqc_decode(mqc)) {
893 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
894 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
895 *datap = v ? -oneplushalf : oneplushalf;
896 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
897 }
898 }
899 *flagsp &= ~T1_VISIT;
900 } /* VSC and BYPASS by Antonin */
901
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)902 static void opj_t1_dec_clnpass_step_vsc(
903 opj_t1_t *t1,
904 opj_flag_t *flagsp,
905 OPJ_INT32 *datap,
906 OPJ_INT32 orient,
907 OPJ_INT32 oneplushalf,
908 OPJ_INT32 partial,
909 OPJ_INT32 vsc)
910 {
911 OPJ_INT32 v, flag;
912
913 opj_mqc_t *mqc = t1->mqc; /* MQC component */
914
915 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
916 if (partial) {
917 goto LABEL_PARTIAL;
918 }
919 if (!(flag & (T1_SIG | T1_VISIT))) {
920 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
921 if (opj_mqc_decode(mqc)) {
922 LABEL_PARTIAL:
923 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
924 v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
925 *datap = v ? -oneplushalf : oneplushalf;
926 opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
927 }
928 }
929 *flagsp &= ~T1_VISIT;
930 }
931
opj_t1_enc_clnpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_UINT32 orient,OPJ_INT32 * nmsedec,OPJ_UINT32 cblksty)932 void opj_t1_enc_clnpass(
933 opj_t1_t *t1,
934 OPJ_INT32 bpno,
935 OPJ_UINT32 orient,
936 OPJ_INT32 *nmsedec,
937 OPJ_UINT32 cblksty)
938 {
939 OPJ_UINT32 i, j, k;
940 OPJ_INT32 one;
941 OPJ_UINT32 agg, runlen, vsc;
942
943 opj_mqc_t *mqc = t1->mqc; /* MQC component */
944
945 *nmsedec = 0;
946 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
947 for (k = 0; k < t1->h; k += 4) {
948 for (i = 0; i < t1->w; ++i) {
949 if (k + 3 < t1->h) {
950 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
951 agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
952 || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
953 || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
954 || (MACRO_t1_flags(1 + k + 3,1 + i)
955 & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
956 } else {
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) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
961 }
962 } else {
963 agg = 0;
964 }
965 if (agg) {
966 for (runlen = 0; runlen < 4; ++runlen) {
967 if (opj_int_abs(t1->data[((k + runlen)*t1->w) + i]) & one)
968 break;
969 }
970 opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
971 opj_mqc_encode(mqc, runlen != 4);
972 if (runlen == 4) {
973 continue;
974 }
975 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
976 opj_mqc_encode(mqc, runlen >> 1);
977 opj_mqc_encode(mqc, runlen & 1);
978 } else {
979 runlen = 0;
980 }
981 for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
982 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
983 opj_t1_enc_clnpass_step(
984 t1,
985 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
986 &t1->data[(j * t1->w) + i],
987 orient,
988 bpno,
989 one,
990 nmsedec,
991 agg && (j == k + runlen),
992 vsc);
993 }
994 }
995 }
996 }
997
opj_t1_dec_clnpass(opj_t1_t * t1,OPJ_INT32 bpno,OPJ_INT32 orient,OPJ_INT32 cblksty)998 static void opj_t1_dec_clnpass(
999 opj_t1_t *t1,
1000 OPJ_INT32 bpno,
1001 OPJ_INT32 orient,
1002 OPJ_INT32 cblksty)
1003 {
1004 OPJ_INT32 one, half, oneplushalf, agg, runlen, vsc;
1005 OPJ_UINT32 i, j, k;
1006 OPJ_INT32 segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
1007
1008 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1009
1010 one = 1 << bpno;
1011 half = one >> 1;
1012 oneplushalf = one | half;
1013 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
1014 for (k = 0; k < t1->h; k += 4) {
1015 for (i = 0; i < t1->w; ++i) {
1016 if (k + 3 < t1->h) {
1017 agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1018 || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1019 || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1020 || (MACRO_t1_flags(1 + k + 3,1 + i)
1021 & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
1022 } else {
1023 agg = 0;
1024 }
1025 if (agg) {
1026 opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
1027 if (!opj_mqc_decode(mqc)) {
1028 continue;
1029 }
1030 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
1031 runlen = opj_mqc_decode(mqc);
1032 runlen = (runlen << 1) | opj_mqc_decode(mqc);
1033 } else {
1034 runlen = 0;
1035 }
1036 for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) {
1037 vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
1038 opj_t1_dec_clnpass_step_vsc(
1039 t1,
1040 &t1->flags[((j+1) * t1->flags_stride) + i + 1],
1041 &t1->data[(j * t1->w) + i],
1042 orient,
1043 oneplushalf,
1044 agg && (j == k + (OPJ_UINT32)runlen),
1045 vsc);
1046 }
1047 }
1048 }
1049 } else {
1050 OPJ_INT32 *data1 = t1->data;
1051 opj_flag_t *flags1 = &t1->flags[1];
1052 for (k = 0; k < (t1->h & ~3u); k += 4) {
1053 for (i = 0; i < t1->w; ++i) {
1054 OPJ_INT32 *data2 = data1 + i;
1055 opj_flag_t *flags2 = flags1 + i;
1056 agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1057 || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1058 || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
1059 || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
1060 if (agg) {
1061 opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
1062 if (!opj_mqc_decode(mqc)) {
1063 continue;
1064 }
1065 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
1066 runlen = opj_mqc_decode(mqc);
1067 runlen = (runlen << 1) | opj_mqc_decode(mqc);
1068 flags2 += (OPJ_UINT32)runlen * t1->flags_stride;
1069 data2 += (OPJ_UINT32)runlen * t1->w;
1070 for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) {
1071 flags2 += t1->flags_stride;
1072 if (agg && (j == k + (OPJ_UINT32)runlen)) {
1073 opj_t1_dec_clnpass_step_partial(t1, flags2, data2, orient, oneplushalf);
1074 } else {
1075 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1076 }
1077 data2 += t1->w;
1078 }
1079 } else {
1080 flags2 += t1->flags_stride;
1081 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1082 data2 += t1->w;
1083 flags2 += t1->flags_stride;
1084 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1085 data2 += t1->w;
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 }
1093 }
1094 data1 += t1->w << 2;
1095 flags1 += t1->flags_stride << 2;
1096 }
1097 for (i = 0; i < t1->w; ++i) {
1098 OPJ_INT32 *data2 = data1 + i;
1099 opj_flag_t *flags2 = flags1 + i;
1100 for (j = k; j < t1->h; ++j) {
1101 flags2 += t1->flags_stride;
1102 opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
1103 data2 += t1->w;
1104 }
1105 }
1106 }
1107
1108 if (segsym) {
1109 OPJ_INT32 v = 0;
1110 opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
1111 v = opj_mqc_decode(mqc);
1112 v = (v << 1) | opj_mqc_decode(mqc);
1113 v = (v << 1) | opj_mqc_decode(mqc);
1114 v = (v << 1) | opj_mqc_decode(mqc);
1115 /*
1116 if (v!=0xa) {
1117 opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);
1118 }
1119 */
1120 }
1121 } /* VSC and BYPASS by Antonin */
1122
1123
1124 /** 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)1125 static OPJ_FLOAT64 opj_t1_getwmsedec(
1126 OPJ_INT32 nmsedec,
1127 OPJ_UINT32 compno,
1128 OPJ_UINT32 level,
1129 OPJ_UINT32 orient,
1130 OPJ_INT32 bpno,
1131 OPJ_UINT32 qmfbid,
1132 OPJ_FLOAT64 stepsize,
1133 OPJ_UINT32 numcomps,
1134 const OPJ_FLOAT64 * mct_norms)
1135 {
1136 OPJ_FLOAT64 w1 = 1, w2, wmsedec;
1137 OPJ_ARG_NOT_USED(numcomps);
1138
1139 if (mct_norms) {
1140 w1 = mct_norms[compno];
1141 }
1142
1143 if (qmfbid == 1) {
1144 w2 = opj_dwt_getnorm(level, orient);
1145 } else { /* if (qmfbid == 0) */
1146 w2 = opj_dwt_getnorm_real(level, orient);
1147 }
1148
1149 wmsedec = w1 * w2 * stepsize * (1 << bpno);
1150 wmsedec *= wmsedec * nmsedec / 8192.0;
1151
1152 return wmsedec;
1153 }
1154
opj_t1_allocate_buffers(opj_t1_t * t1,OPJ_UINT32 w,OPJ_UINT32 h)1155 OPJ_BOOL opj_t1_allocate_buffers(
1156 opj_t1_t *t1,
1157 OPJ_UINT32 w,
1158 OPJ_UINT32 h)
1159 {
1160 OPJ_UINT32 datasize=w * h;
1161 OPJ_UINT32 flagssize;
1162
1163 if(datasize > t1->datasize){
1164 opj_aligned_free(t1->data);
1165 t1->data = (OPJ_INT32*) opj_aligned_malloc(datasize * sizeof(OPJ_INT32));
1166 if(!t1->data){
1167 return OPJ_FALSE;
1168 }
1169 t1->datasize=datasize;
1170 }
1171 memset(t1->data,0,datasize * sizeof(OPJ_INT32));
1172
1173 t1->flags_stride=w+2;
1174 flagssize=t1->flags_stride * (h+2);
1175
1176 if(flagssize > t1->flagssize){
1177 opj_aligned_free(t1->flags);
1178 t1->flags = (opj_flag_t*) opj_aligned_malloc(flagssize * sizeof(opj_flag_t));
1179 if(!t1->flags){
1180 return OPJ_FALSE;
1181 }
1182 t1->flagssize=flagssize;
1183 }
1184 memset(t1->flags,0,flagssize * sizeof(opj_flag_t));
1185
1186 t1->w=w;
1187 t1->h=h;
1188
1189 return OPJ_TRUE;
1190 }
1191
1192 /* ----------------------------------------------------------------------- */
1193
1194 /* ----------------------------------------------------------------------- */
1195 /**
1196 * Creates a new Tier 1 handle
1197 * and initializes the look-up tables of the Tier-1 coder/decoder
1198 * @return a new T1 handle if successful, returns NULL otherwise
1199 */
opj_t1_create()1200 opj_t1_t* opj_t1_create()
1201 {
1202 opj_t1_t *l_t1 = 00;
1203
1204 l_t1 = (opj_t1_t*) opj_malloc(sizeof(opj_t1_t));
1205 if (!l_t1) {
1206 return 00;
1207 }
1208 memset(l_t1,0,sizeof(opj_t1_t));
1209
1210 /* create MQC and RAW handles */
1211 l_t1->mqc = opj_mqc_create();
1212 if (! l_t1->mqc) {
1213 opj_t1_destroy(l_t1);
1214 return 00;
1215 }
1216
1217 l_t1->raw = opj_raw_create();
1218 if (! l_t1->raw) {
1219 opj_t1_destroy(l_t1);
1220 return 00;
1221 }
1222
1223 return l_t1;
1224 }
1225
1226
1227 /**
1228 * Destroys a previously created T1 handle
1229 *
1230 * @param p_t1 Tier 1 handle to destroy
1231 */
opj_t1_destroy(opj_t1_t * p_t1)1232 void opj_t1_destroy(opj_t1_t *p_t1)
1233 {
1234 if (! p_t1) {
1235 return;
1236 }
1237
1238 /* destroy MQC and RAW handles */
1239 opj_mqc_destroy(p_t1->mqc);
1240 p_t1->mqc = 00;
1241 opj_raw_destroy(p_t1->raw);
1242 p_t1->raw = 00;
1243
1244 if (p_t1->data) {
1245 opj_aligned_free(p_t1->data);
1246 p_t1->data = 00;
1247 }
1248
1249 if (p_t1->flags) {
1250 opj_aligned_free(p_t1->flags);
1251 p_t1->flags = 00;
1252 }
1253
1254 opj_free(p_t1);
1255 }
1256
opj_t1_decode_cblks(opj_t1_t * t1,opj_tcd_tilecomp_t * tilec,opj_tccp_t * tccp)1257 OPJ_BOOL opj_t1_decode_cblks( opj_t1_t* t1,
1258 opj_tcd_tilecomp_t* tilec,
1259 opj_tccp_t* tccp
1260 )
1261 {
1262 OPJ_UINT32 resno, bandno, precno, cblkno;
1263 OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
1264
1265 for (resno = 0; resno < tilec->minimum_num_resolutions; ++resno) {
1266 opj_tcd_resolution_t* res = &tilec->resolutions[resno];
1267
1268 for (bandno = 0; bandno < res->numbands; ++bandno) {
1269 opj_tcd_band_t* restrict band = &res->bands[bandno];
1270
1271 for (precno = 0; precno < res->pw * res->ph; ++precno) {
1272 opj_tcd_precinct_t* precinct = &band->precincts[precno];
1273
1274 for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
1275 opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno];
1276 OPJ_INT32* restrict datap;
1277 /*void* restrict tiledp;*/
1278 OPJ_UINT32 cblk_w, cblk_h;
1279 OPJ_INT32 x, y;
1280 OPJ_UINT32 i, j;
1281
1282 if (OPJ_FALSE == opj_t1_decode_cblk(
1283 t1,
1284 cblk,
1285 band->bandno,
1286 (OPJ_UINT32)tccp->roishift,
1287 tccp->cblksty)) {
1288 return OPJ_FALSE;
1289 }
1290
1291 x = cblk->x0 - band->x0;
1292 y = cblk->y0 - band->y0;
1293 if (band->bandno & 1) {
1294 opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
1295 x += pres->x1 - pres->x0;
1296 }
1297 if (band->bandno & 2) {
1298 opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
1299 y += pres->y1 - pres->y0;
1300 }
1301
1302 datap=t1->data;
1303 cblk_w = t1->w;
1304 cblk_h = t1->h;
1305
1306 if (tccp->roishift) {
1307 OPJ_INT32 thresh = 1 << tccp->roishift;
1308 for (j = 0; j < cblk_h; ++j) {
1309 for (i = 0; i < cblk_w; ++i) {
1310 OPJ_INT32 val = datap[(j * cblk_w) + i];
1311 OPJ_INT32 mag = abs(val);
1312 if (mag >= thresh) {
1313 mag >>= tccp->roishift;
1314 datap[(j * cblk_w) + i] = val < 0 ? -mag : mag;
1315 }
1316 }
1317 }
1318 }
1319
1320 /*tiledp=(void*)&tilec->data[(y * tile_w) + x];*/
1321 if (tccp->qmfbid == 1) {
1322 OPJ_INT32* restrict tiledp = &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
1323 for (j = 0; j < cblk_h; ++j) {
1324 for (i = 0; i < cblk_w; ++i) {
1325 OPJ_INT32 tmp = datap[(j * cblk_w) + i];
1326 ((OPJ_INT32*)tiledp)[(j * tile_w) + i] = tmp / 2;
1327 }
1328 }
1329 } else { /* if (tccp->qmfbid == 0) */
1330 OPJ_FLOAT32* restrict tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
1331 for (j = 0; j < cblk_h; ++j) {
1332 OPJ_FLOAT32* restrict tiledp2 = tiledp;
1333 for (i = 0; i < cblk_w; ++i) {
1334 OPJ_FLOAT32 tmp = (OPJ_FLOAT32)*datap * band->stepsize;
1335 *tiledp2 = tmp;
1336 datap++;
1337 tiledp2++;
1338 /*float tmp = datap[(j * cblk_w) + i] * band->stepsize;
1339 ((float*)tiledp)[(j * tile_w) + i] = tmp;*/
1340
1341 }
1342 tiledp += tile_w;
1343 }
1344 }
1345 /*opj_free(cblk->data);
1346 opj_free(cblk->segs);*/
1347 /*cblk->segs = 00;*/
1348 } /* cblkno */
1349 /*opj_free(precinct->cblks.dec);*/
1350 } /* precno */
1351 } /* bandno */
1352 } /* resno */
1353 return OPJ_TRUE;
1354 }
1355
1356
opj_t1_decode_cblk(opj_t1_t * t1,opj_tcd_cblk_dec_t * cblk,OPJ_UINT32 orient,OPJ_UINT32 roishift,OPJ_UINT32 cblksty)1357 OPJ_BOOL opj_t1_decode_cblk(opj_t1_t *t1,
1358 opj_tcd_cblk_dec_t* cblk,
1359 OPJ_UINT32 orient,
1360 OPJ_UINT32 roishift,
1361 OPJ_UINT32 cblksty)
1362 {
1363 opj_raw_t *raw = t1->raw; /* RAW component */
1364 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1365
1366 OPJ_INT32 bpno;
1367 OPJ_UINT32 passtype;
1368 OPJ_UINT32 segno, passno;
1369 OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */
1370
1371 if(!opj_t1_allocate_buffers(
1372 t1,
1373 (OPJ_UINT32)(cblk->x1 - cblk->x0),
1374 (OPJ_UINT32)(cblk->y1 - cblk->y0)))
1375 {
1376 return OPJ_FALSE;
1377 }
1378
1379 bpno = (OPJ_INT32)(roishift + cblk->numbps - 1);
1380 passtype = 2;
1381
1382 opj_mqc_resetstates(mqc);
1383 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
1384 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
1385 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
1386
1387 for (segno = 0; segno < cblk->real_num_segs; ++segno) {
1388 opj_tcd_seg_t *seg = &cblk->segs[segno];
1389
1390 /* BYPASS mode */
1391 type = ((bpno <= ((OPJ_INT32) (cblk->numbps) - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
1392 /* FIXME: slviewer gets here with a null pointer. Why? Partially downloaded and/or corrupt textures? */
1393 if(seg->data == 00){
1394 continue;
1395 }
1396 if (type == T1_TYPE_RAW) {
1397 opj_raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len);
1398 } else {
1399 if (OPJ_FALSE == opj_mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len)) {
1400 return OPJ_FALSE;
1401 }
1402 }
1403
1404 for (passno = 0; passno < seg->real_num_passes; ++passno) {
1405 switch (passtype) {
1406 case 0:
1407 if (type == T1_TYPE_RAW) {
1408 opj_t1_dec_sigpass_raw(t1, bpno+1, (OPJ_INT32)orient, (OPJ_INT32)cblksty);
1409 } else {
1410 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
1411 opj_t1_dec_sigpass_mqc_vsc(t1, bpno+1, (OPJ_INT32)orient);
1412 } else {
1413 opj_t1_dec_sigpass_mqc(t1, bpno+1, (OPJ_INT32)orient);
1414 }
1415 }
1416 break;
1417 case 1:
1418 if (type == T1_TYPE_RAW) {
1419 opj_t1_dec_refpass_raw(t1, bpno+1, (OPJ_INT32)cblksty);
1420 } else {
1421 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
1422 opj_t1_dec_refpass_mqc_vsc(t1, bpno+1);
1423 } else {
1424 opj_t1_dec_refpass_mqc(t1, bpno+1);
1425 }
1426 }
1427 break;
1428 case 2:
1429 opj_t1_dec_clnpass(t1, bpno+1, (OPJ_INT32)orient, (OPJ_INT32)cblksty);
1430 break;
1431 }
1432
1433 if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
1434 opj_mqc_resetstates(mqc);
1435 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
1436 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
1437 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
1438 }
1439 if (++passtype == 3) {
1440 passtype = 0;
1441 bpno--;
1442 }
1443 }
1444 }
1445 return OPJ_TRUE;
1446 }
1447
1448
1449
1450
opj_t1_encode_cblks(opj_t1_t * t1,opj_tcd_tile_t * tile,opj_tcp_t * tcp,const OPJ_FLOAT64 * mct_norms)1451 OPJ_BOOL opj_t1_encode_cblks( opj_t1_t *t1,
1452 opj_tcd_tile_t *tile,
1453 opj_tcp_t *tcp,
1454 const OPJ_FLOAT64 * mct_norms
1455 )
1456 {
1457 OPJ_UINT32 compno, resno, bandno, precno, cblkno;
1458
1459 tile->distotile = 0; /* fixed_quality */
1460
1461 for (compno = 0; compno < tile->numcomps; ++compno) {
1462 opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
1463 opj_tccp_t* tccp = &tcp->tccps[compno];
1464 OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
1465
1466 for (resno = 0; resno < tilec->numresolutions; ++resno) {
1467 opj_tcd_resolution_t *res = &tilec->resolutions[resno];
1468
1469 for (bandno = 0; bandno < res->numbands; ++bandno) {
1470 opj_tcd_band_t* restrict band = &res->bands[bandno];
1471 OPJ_INT32 bandconst = 8192 * 8192 / ((OPJ_INT32) floor(band->stepsize * 8192));
1472
1473 for (precno = 0; precno < res->pw * res->ph; ++precno) {
1474 opj_tcd_precinct_t *prc = &band->precincts[precno];
1475
1476 for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
1477 opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
1478 OPJ_INT32 * restrict datap;
1479 OPJ_INT32* restrict tiledp;
1480 OPJ_UINT32 cblk_w;
1481 OPJ_UINT32 cblk_h;
1482 OPJ_UINT32 i, j;
1483
1484 OPJ_INT32 x = cblk->x0 - band->x0;
1485 OPJ_INT32 y = cblk->y0 - band->y0;
1486 if (band->bandno & 1) {
1487 opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
1488 x += pres->x1 - pres->x0;
1489 }
1490 if (band->bandno & 2) {
1491 opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
1492 y += pres->y1 - pres->y0;
1493 }
1494
1495 if(!opj_t1_allocate_buffers(
1496 t1,
1497 (OPJ_UINT32)(cblk->x1 - cblk->x0),
1498 (OPJ_UINT32)(cblk->y1 - cblk->y0)))
1499 {
1500 return OPJ_FALSE;
1501 }
1502
1503 datap=t1->data;
1504 cblk_w = t1->w;
1505 cblk_h = t1->h;
1506
1507 tiledp=&tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
1508 if (tccp->qmfbid == 1) {
1509 for (j = 0; j < cblk_h; ++j) {
1510 for (i = 0; i < cblk_w; ++i) {
1511 OPJ_INT32 tmp = tiledp[(j * tile_w) + i];
1512 datap[(j * cblk_w) + i] = tmp << T1_NMSEDEC_FRACBITS;
1513 }
1514 }
1515 } else { /* if (tccp->qmfbid == 0) */
1516 for (j = 0; j < cblk_h; ++j) {
1517 for (i = 0; i < cblk_w; ++i) {
1518 OPJ_INT32 tmp = tiledp[(j * tile_w) + i];
1519 datap[(j * cblk_w) + i] =
1520 opj_int_fix_mul(
1521 tmp,
1522 bandconst) >> (11 - T1_NMSEDEC_FRACBITS);
1523 }
1524 }
1525 }
1526
1527 opj_t1_encode_cblk(
1528 t1,
1529 cblk,
1530 band->bandno,
1531 compno,
1532 tilec->numresolutions - 1 - resno,
1533 tccp->qmfbid,
1534 band->stepsize,
1535 tccp->cblksty,
1536 tile->numcomps,
1537 tile,
1538 mct_norms);
1539
1540 } /* cblkno */
1541 } /* precno */
1542 } /* bandno */
1543 } /* resno */
1544 } /* compno */
1545 return OPJ_TRUE;
1546 }
1547
1548 /** 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)1549 void opj_t1_encode_cblk(opj_t1_t *t1,
1550 opj_tcd_cblk_enc_t* cblk,
1551 OPJ_UINT32 orient,
1552 OPJ_UINT32 compno,
1553 OPJ_UINT32 level,
1554 OPJ_UINT32 qmfbid,
1555 OPJ_FLOAT64 stepsize,
1556 OPJ_UINT32 cblksty,
1557 OPJ_UINT32 numcomps,
1558 opj_tcd_tile_t * tile,
1559 const OPJ_FLOAT64 * mct_norms)
1560 {
1561 OPJ_FLOAT64 cumwmsedec = 0.0;
1562
1563 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1564
1565 OPJ_UINT32 passno;
1566 OPJ_INT32 bpno;
1567 OPJ_UINT32 passtype;
1568 OPJ_INT32 nmsedec = 0;
1569 OPJ_INT32 max;
1570 OPJ_UINT32 i;
1571 OPJ_BYTE type = T1_TYPE_MQ;
1572 OPJ_FLOAT64 tempwmsedec;
1573
1574 max = 0;
1575 for (i = 0; i < t1->w * t1->h; ++i) {
1576 OPJ_INT32 tmp = abs(t1->data[i]);
1577 max = opj_int_max(max, tmp);
1578 }
1579
1580 cblk->numbps = max ? (OPJ_UINT32)((opj_int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS) : 0;
1581
1582 bpno = (OPJ_INT32)(cblk->numbps - 1);
1583 passtype = 2;
1584
1585 opj_mqc_resetstates(mqc);
1586 opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
1587 opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
1588 opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
1589 opj_mqc_init_enc(mqc, cblk->data);
1590
1591 for (passno = 0; bpno >= 0; ++passno) {
1592 opj_tcd_pass_t *pass = &cblk->passes[passno];
1593 OPJ_UINT32 correction = 3;
1594 type = ((bpno < ((OPJ_INT32) (cblk->numbps) - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
1595
1596 switch (passtype) {
1597 case 0:
1598 opj_t1_enc_sigpass(t1, bpno, orient, &nmsedec, type, cblksty);
1599 break;
1600 case 1:
1601 opj_t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty);
1602 break;
1603 case 2:
1604 opj_t1_enc_clnpass(t1, bpno, orient, &nmsedec, cblksty);
1605 /* code switch SEGMARK (i.e. SEGSYM) */
1606 if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
1607 opj_mqc_segmark_enc(mqc);
1608 break;
1609 }
1610
1611 /* fixed_quality */
1612 tempwmsedec = opj_t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps,mct_norms) ;
1613 cumwmsedec += tempwmsedec;
1614 tile->distotile += tempwmsedec;
1615
1616 /* Code switch "RESTART" (i.e. TERMALL) */
1617 if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) {
1618 if (type == T1_TYPE_RAW) {
1619 opj_mqc_flush(mqc);
1620 correction = 1;
1621 /* correction = mqc_bypass_flush_enc(); */
1622 } else { /* correction = mqc_restart_enc(); */
1623 opj_mqc_flush(mqc);
1624 correction = 1;
1625 }
1626 pass->term = 1;
1627 } else {
1628 if (((bpno < ((OPJ_INT32) (cblk->numbps) - 4) && (passtype > 0))
1629 || ((bpno == ((OPJ_INT32)cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {
1630 if (type == T1_TYPE_RAW) {
1631 opj_mqc_flush(mqc);
1632 correction = 1;
1633 /* correction = mqc_bypass_flush_enc(); */
1634 } else { /* correction = mqc_restart_enc(); */
1635 opj_mqc_flush(mqc);
1636 correction = 1;
1637 }
1638 pass->term = 1;
1639 } else {
1640 pass->term = 0;
1641 }
1642 }
1643
1644 if (++passtype == 3) {
1645 passtype = 0;
1646 bpno--;
1647 }
1648
1649 if (pass->term && bpno > 0) {
1650 type = ((bpno < ((OPJ_INT32) (cblk->numbps) - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
1651 if (type == T1_TYPE_RAW)
1652 opj_mqc_bypass_init_enc(mqc);
1653 else
1654 opj_mqc_restart_init_enc(mqc);
1655 }
1656
1657 pass->distortiondec = cumwmsedec;
1658 pass->rate = opj_mqc_numbytes(mqc) + correction; /* FIXME */
1659
1660 /* Code-switch "RESET" */
1661 if (cblksty & J2K_CCP_CBLKSTY_RESET)
1662 opj_mqc_reset_enc(mqc);
1663 }
1664
1665 /* Code switch "ERTERM" (i.e. PTERM) */
1666 if (cblksty & J2K_CCP_CBLKSTY_PTERM)
1667 opj_mqc_erterm_enc(mqc);
1668 else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
1669 opj_mqc_flush(mqc);
1670
1671 cblk->totalpasses = passno;
1672
1673 for (passno = 0; passno<cblk->totalpasses; passno++) {
1674 opj_tcd_pass_t *pass = &cblk->passes[passno];
1675 if (pass->rate > opj_mqc_numbytes(mqc))
1676 pass->rate = opj_mqc_numbytes(mqc);
1677 /*Preventing generation of FF as last data byte of a pass*/
1678 if((pass->rate>1) && (cblk->data[pass->rate - 1] == 0xFF)){
1679 pass->rate--;
1680 }
1681 pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
1682 }
1683 }
1684
1685 #if 0
1686 void opj_t1_dec_refpass_step( opj_t1_t *t1,
1687 opj_flag_t *flagsp,
1688 OPJ_INT32 *datap,
1689 OPJ_INT32 poshalf,
1690 OPJ_INT32 neghalf,
1691 OPJ_BYTE type,
1692 OPJ_UINT32 vsc)
1693 {
1694 OPJ_INT32 t;
1695 OPJ_UINT32 v,flag;
1696
1697 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1698 opj_raw_t *raw = t1->raw; /* RAW component */
1699
1700 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
1701 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
1702 opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag)); /* ESSAI */
1703 if (type == T1_TYPE_RAW) {
1704 v = opj_raw_decode(raw);
1705 } else {
1706 v = opj_mqc_decode(mqc);
1707 }
1708 t = v ? poshalf : neghalf;
1709 *datap += *datap < 0 ? -t : t;
1710 *flagsp |= T1_REFINE;
1711 }
1712 } /* VSC and BYPASS by Antonin */
1713 #endif
1714
1715
1716
1717 #if 0
1718 void opj_t1_dec_sigpass_step( opj_t1_t *t1,
1719 opj_flag_t *flagsp,
1720 OPJ_INT32 *datap,
1721 OPJ_UINT32 orient,
1722 OPJ_INT32 oneplushalf,
1723 OPJ_BYTE type,
1724 OPJ_UINT32 vsc)
1725 {
1726 OPJ_UINT32 v, flag;
1727
1728 opj_raw_t *raw = t1->raw; /* RAW component */
1729 opj_mqc_t *mqc = t1->mqc; /* MQC component */
1730
1731 flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
1732 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
1733 if (type == T1_TYPE_RAW) {
1734 if (opj_raw_decode(raw)) {
1735 v = opj_raw_decode(raw); /* ESSAI */
1736 *datap = v ? -oneplushalf : oneplushalf;
1737 opj_t1_updateflags(flagsp, v, t1->flags_stride);
1738 }
1739 } else {
1740 opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient));
1741 if (opj_mqc_decode(mqc)) {
1742 opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));
1743 v = opj_mqc_decode(mqc) ^ opj_t1_getspb(flag);
1744 *datap = v ? -oneplushalf : oneplushalf;
1745 opj_t1_updateflags(flagsp, v, t1->flags_stride);
1746 }
1747 }
1748 *flagsp |= T1_VISIT;
1749 }
1750 } /* VSC and BYPASS by Antonin */
1751 #endif
1752