/src/jasper/src/libjasper/jpc/jpc_t1enc.c
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1 | | /* |
2 | | * Copyright (c) 1999-2000 Image Power, Inc. and the University of |
3 | | * British Columbia. |
4 | | * Copyright (c) 2001-2002 Michael David Adams. |
5 | | * All rights reserved. |
6 | | */ |
7 | | |
8 | | /* __START_OF_JASPER_LICENSE__ |
9 | | * |
10 | | * JasPer License Version 2.0 |
11 | | * |
12 | | * Copyright (c) 2001-2006 Michael David Adams |
13 | | * Copyright (c) 1999-2000 Image Power, Inc. |
14 | | * Copyright (c) 1999-2000 The University of British Columbia |
15 | | * |
16 | | * All rights reserved. |
17 | | * |
18 | | * Permission is hereby granted, free of charge, to any person (the |
19 | | * "User") obtaining a copy of this software and associated documentation |
20 | | * files (the "Software"), to deal in the Software without restriction, |
21 | | * including without limitation the rights to use, copy, modify, merge, |
22 | | * publish, distribute, and/or sell copies of the Software, and to permit |
23 | | * persons to whom the Software is furnished to do so, subject to the |
24 | | * following conditions: |
25 | | * |
26 | | * 1. The above copyright notices and this permission notice (which |
27 | | * includes the disclaimer below) shall be included in all copies or |
28 | | * substantial portions of the Software. |
29 | | * |
30 | | * 2. The name of a copyright holder shall not be used to endorse or |
31 | | * promote products derived from the Software without specific prior |
32 | | * written permission. |
33 | | * |
34 | | * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS |
35 | | * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER |
36 | | * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS |
37 | | * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
38 | | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
39 | | * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO |
40 | | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL |
41 | | * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING |
42 | | * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
43 | | * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION |
44 | | * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE |
45 | | * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE |
46 | | * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. |
47 | | * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS |
48 | | * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL |
49 | | * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS |
50 | | * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE |
51 | | * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE |
52 | | * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL |
53 | | * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, |
54 | | * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL |
55 | | * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH |
56 | | * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, |
57 | | * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH |
58 | | * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY |
59 | | * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. |
60 | | * |
61 | | * __END_OF_JASPER_LICENSE__ |
62 | | */ |
63 | | |
64 | | /* |
65 | | * Tier 1 Encoder |
66 | | * |
67 | | * $Id$ |
68 | | */ |
69 | | |
70 | | /******************************************************************************\ |
71 | | * Includes. |
72 | | \******************************************************************************/ |
73 | | |
74 | | #include "jpc_t1enc.h" |
75 | | #include "jpc_t1cod.h" |
76 | | #include "jpc_enc.h" |
77 | | #include "jpc_math.h" |
78 | | |
79 | | #include "jasper/jas_malloc.h" |
80 | | #include "jasper/jas_math.h" |
81 | | #include "jasper/jas_debug.h" |
82 | | |
83 | | #include <stdio.h> |
84 | | #include <stdlib.h> |
85 | | #include <assert.h> |
86 | | |
87 | | /* Encode a single code block. */ |
88 | | static int jpc_enc_enccblk(const jpc_enc_tcmpt_t *comp, |
89 | | const jpc_enc_band_t *band, jpc_enc_cblk_t *cblk); |
90 | | |
91 | | static int jpc_encsigpass(jpc_mqenc_t *mqenc, int bitpos, enum jpc_tsfb_orient orient, bool vcausalflag, |
92 | | jas_matrix_t *flags, const jas_matrix_t *data, int term, long *nmsedec); |
93 | | |
94 | | static int jpc_encrefpass(jpc_mqenc_t *mqenc, int bitpos, jas_matrix_t *flags, |
95 | | const jas_matrix_t *data, int term, long *nmsedec); |
96 | | |
97 | | static int jpc_encclnpass(jpc_mqenc_t *mqenc, int bitpos, enum jpc_tsfb_orient orient, bool vcausalflag, |
98 | | bool segsym, jas_matrix_t *flags, const jas_matrix_t *data, int term, long *nmsedec); |
99 | | |
100 | | static int jpc_encrawsigpass(jpc_bitstream_t *out, int bitpos, bool vcausalflag, |
101 | | jas_matrix_t *flags, const jas_matrix_t *data, int term, long *nmsedec); |
102 | | |
103 | | static int jpc_encrawrefpass(jpc_bitstream_t *out, int bitpos, |
104 | | jas_matrix_t *flags, const jas_matrix_t *data, int term, long *nmsedec); |
105 | | |
106 | | /******************************************************************************\ |
107 | | * Code for encoding code blocks. |
108 | | \******************************************************************************/ |
109 | | |
110 | | /* Encode all of the code blocks associated with the current tile. */ |
111 | | int jpc_enc_enccblks(jpc_enc_t *enc) |
112 | 0 | { |
113 | 0 | jpc_enc_tcmpt_t *tcmpt; |
114 | 0 | jpc_enc_tcmpt_t *endcomps; |
115 | 0 | jpc_enc_rlvl_t *lvl; |
116 | 0 | jpc_enc_rlvl_t *endlvls; |
117 | 0 | jpc_enc_band_t *band; |
118 | 0 | jpc_enc_band_t *endbands; |
119 | 0 | jpc_enc_cblk_t *cblk; |
120 | 0 | jpc_enc_cblk_t *endcblks; |
121 | 0 | jpc_fix_t mx; |
122 | 0 | jpc_fix_t bmx; |
123 | 0 | jpc_fix_t v; |
124 | 0 | jpc_enc_tile_t *tile; |
125 | 0 | uint_fast32_t prcno; |
126 | 0 | jpc_enc_prc_t *prc; |
127 | |
|
128 | 0 | tile = enc->curtile; |
129 | |
|
130 | 0 | endcomps = &tile->tcmpts[tile->numtcmpts]; |
131 | 0 | for (tcmpt = tile->tcmpts; tcmpt != endcomps; ++tcmpt) { |
132 | 0 | endlvls = &tcmpt->rlvls[tcmpt->numrlvls]; |
133 | 0 | for (lvl = tcmpt->rlvls; lvl != endlvls; ++lvl) { |
134 | 0 | if (!lvl->bands) { |
135 | 0 | continue; |
136 | 0 | } |
137 | 0 | endbands = &lvl->bands[lvl->numbands]; |
138 | 0 | for (band = lvl->bands; band != endbands; ++band) { |
139 | 0 | if (!band->data) { |
140 | 0 | continue; |
141 | 0 | } |
142 | 0 | for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { |
143 | 0 | if (!prc->cblks) { |
144 | 0 | continue; |
145 | 0 | } |
146 | 0 | bmx = 0; |
147 | 0 | endcblks = &prc->cblks[prc->numcblks]; |
148 | 0 | for (cblk = prc->cblks; cblk != endcblks; ++cblk) { |
149 | 0 | mx = 0; |
150 | 0 | for (jas_matind_t i = 0; i < jas_matrix_numrows(cblk->data); ++i) { |
151 | 0 | for (jas_matind_t j = 0; j < jas_matrix_numcols(cblk->data); ++j) { |
152 | 0 | v = JAS_ABS(jas_matrix_get(cblk->data, i, j)); |
153 | 0 | if (v > mx) { |
154 | 0 | mx = v; |
155 | 0 | } |
156 | 0 | } |
157 | 0 | } |
158 | 0 | if (mx > bmx) { |
159 | 0 | bmx = mx; |
160 | 0 | } |
161 | 0 | cblk->numbps = JAS_MAX(jpc_fix_firstone(mx) + 1 - JPC_NUMEXTRABITS, 0); |
162 | 0 | } |
163 | |
|
164 | 0 | for (cblk = prc->cblks; cblk != endcblks; ++cblk) { |
165 | 0 | cblk->numimsbs = band->numbps - cblk->numbps; |
166 | 0 | assert(cblk->numimsbs >= 0); |
167 | 0 | } |
168 | | |
169 | 0 | for (cblk = prc->cblks; cblk != endcblks; ++cblk) { |
170 | 0 | if (jpc_enc_enccblk(tcmpt, band, cblk)) { |
171 | 0 | return -1; |
172 | 0 | } |
173 | 0 | } |
174 | 0 | } |
175 | 0 | } |
176 | 0 | } |
177 | 0 | } |
178 | 0 | return 0; |
179 | 0 | } |
180 | | |
181 | | static int getthebyte(jas_stream_t *in, long off) |
182 | 0 | { |
183 | 0 | int c; |
184 | 0 | long oldpos; |
185 | 0 | oldpos = jas_stream_tell(in); |
186 | 0 | assert(oldpos >= 0); |
187 | 0 | jas_stream_seek(in, off, SEEK_SET); |
188 | 0 | c = jas_stream_peekc(in); |
189 | 0 | jas_stream_seek(in, oldpos, SEEK_SET); |
190 | 0 | return c; |
191 | 0 | } |
192 | | |
193 | | /* Encode a single code block. */ |
194 | | static int jpc_enc_enccblk(const jpc_enc_tcmpt_t *tcmpt, const jpc_enc_band_t *band, jpc_enc_cblk_t *cblk) |
195 | 0 | { |
196 | 0 | jpc_enc_pass_t *pass; |
197 | 0 | jpc_enc_pass_t *endpasses; |
198 | 0 | int bitpos; |
199 | 0 | int n; |
200 | 0 | int ret; |
201 | 0 | jpc_bitstream_t *bout; |
202 | 0 | int c; |
203 | |
|
204 | 0 | bout = 0; |
205 | |
|
206 | 0 | if (!(cblk->stream = jas_stream_memopen(0, 0))) { |
207 | 0 | goto error; |
208 | 0 | } |
209 | 0 | if (!(cblk->mqenc = jpc_mqenc_create(JPC_NUMCTXS, cblk->stream))) { |
210 | 0 | goto error; |
211 | 0 | } |
212 | 0 | jpc_mqenc_setctxs(cblk->mqenc, JPC_NUMCTXS, jpc_mqctxs); |
213 | |
|
214 | 0 | cblk->numpasses = (cblk->numbps > 0) ? (3 * cblk->numbps - 2) : 0; |
215 | 0 | if (cblk->numpasses > 0) { |
216 | 0 | if (!(cblk->passes = jas_alloc2(cblk->numpasses, |
217 | 0 | sizeof(jpc_enc_pass_t)))) { |
218 | 0 | goto error; |
219 | 0 | }; |
220 | 0 | } else { |
221 | 0 | cblk->passes = 0; |
222 | 0 | } |
223 | 0 | endpasses = (cblk->passes) ? &cblk->passes[cblk->numpasses] : 0; |
224 | 0 | for (pass = cblk->passes; pass != endpasses; ++pass) { |
225 | 0 | pass->start = 0; |
226 | 0 | pass->end = 0; |
227 | 0 | pass->term = JPC_ISTERMINATED(pass - cblk->passes, 0, cblk->numpasses, |
228 | 0 | (tcmpt->cblksty & JPC_COX_TERMALL) != 0, |
229 | 0 | (tcmpt->cblksty & JPC_COX_LAZY) != 0); |
230 | 0 | pass->type = JPC_SEGTYPE(pass - cblk->passes, 0, |
231 | 0 | (tcmpt->cblksty & JPC_COX_LAZY) != 0); |
232 | 0 | pass->lyrno = -1; |
233 | 0 | if (pass == endpasses - 1) { |
234 | 0 | assert(pass->term == 1); |
235 | 0 | pass->term = 1; |
236 | 0 | } |
237 | 0 | } |
238 | | |
239 | 0 | if (!(cblk->flags = jas_matrix_create(jas_matrix_numrows(cblk->data) + 2, |
240 | 0 | jas_matrix_numcols(cblk->data) + 2))) { |
241 | 0 | jas_logerrorf("cannot create matrix\n"); |
242 | 0 | goto error; |
243 | 0 | } |
244 | | |
245 | 0 | bitpos = cblk->numbps - 1; |
246 | 0 | pass = cblk->passes; |
247 | 0 | n = cblk->numpasses; |
248 | 0 | while (--n >= 0) { |
249 | |
|
250 | 0 | if (pass->type == JPC_SEG_MQ) { |
251 | | /* NOP */ |
252 | 0 | } else { |
253 | 0 | assert(pass->type == JPC_SEG_RAW); |
254 | 0 | if (!bout) { |
255 | 0 | bout = jpc_bitstream_sopen(cblk->stream, "w"); |
256 | 0 | if (!bout) { |
257 | 0 | goto error; |
258 | 0 | } |
259 | 0 | } |
260 | 0 | } |
261 | | |
262 | 0 | enum jpc_passtype passtype = JPC_PASSTYPE(pass - cblk->passes); |
263 | 0 | pass->start = jas_stream_tell(cblk->stream); |
264 | | #if 0 |
265 | | assert(jas_stream_tell(cblk->stream) == jas_stream_getrwcount(cblk->stream)); |
266 | | #endif |
267 | 0 | assert(bitpos >= 0); |
268 | 0 | const bool vcausal = (tcmpt->cblksty & JPC_COX_VSC) != 0; |
269 | 0 | const bool segsym = (tcmpt->cblksty & JPC_COX_SEGSYM) != 0; |
270 | 0 | unsigned termmode; |
271 | 0 | if (pass->term) { |
272 | 0 | termmode = ((tcmpt->cblksty & JPC_COX_PTERM) ? |
273 | 0 | JPC_MQENC_PTERM : JPC_MQENC_DEFTERM) + 1; |
274 | 0 | } else { |
275 | 0 | termmode = 0; |
276 | 0 | } |
277 | 0 | switch (passtype) { |
278 | 0 | case JPC_SIGPASS: |
279 | 0 | ret = (pass->type == JPC_SEG_MQ) ? jpc_encsigpass(cblk->mqenc, |
280 | 0 | bitpos, band->orient, vcausal, cblk->flags, |
281 | 0 | cblk->data, termmode, &pass->nmsedec) : |
282 | 0 | jpc_encrawsigpass(bout, bitpos, vcausal, cblk->flags, |
283 | 0 | cblk->data, termmode, &pass->nmsedec); |
284 | 0 | break; |
285 | 0 | case JPC_REFPASS: |
286 | 0 | ret = (pass->type == JPC_SEG_MQ) ? jpc_encrefpass(cblk->mqenc, |
287 | 0 | bitpos, cblk->flags, cblk->data, termmode, |
288 | 0 | &pass->nmsedec) : jpc_encrawrefpass(bout, bitpos, |
289 | 0 | cblk->flags, cblk->data, termmode, |
290 | 0 | &pass->nmsedec); |
291 | 0 | break; |
292 | 0 | case JPC_CLNPASS: |
293 | 0 | assert(pass->type == JPC_SEG_MQ); |
294 | 0 | ret = jpc_encclnpass(cblk->mqenc, bitpos, band->orient, |
295 | 0 | vcausal, segsym, cblk->flags, cblk->data, termmode, |
296 | 0 | &pass->nmsedec); |
297 | 0 | break; |
298 | 0 | default: |
299 | 0 | assert(0); |
300 | 0 | break; |
301 | 0 | } |
302 | | |
303 | 0 | if (ret) { |
304 | 0 | if (bout) { |
305 | 0 | jpc_bitstream_close(bout); |
306 | 0 | } |
307 | 0 | goto error; |
308 | 0 | } |
309 | | |
310 | 0 | if (pass->type == JPC_SEG_MQ) { |
311 | 0 | if (pass->term) { |
312 | 0 | jpc_mqenc_init(cblk->mqenc); |
313 | 0 | } |
314 | 0 | jpc_mqenc_getstate(cblk->mqenc, &pass->mqencstate); |
315 | 0 | pass->end = jas_stream_tell(cblk->stream); |
316 | 0 | if (tcmpt->cblksty & JPC_COX_RESET) { |
317 | 0 | jpc_mqenc_setctxs(cblk->mqenc, JPC_NUMCTXS, jpc_mqctxs); |
318 | 0 | } |
319 | 0 | } else { |
320 | 0 | if (pass->term) { |
321 | 0 | if (jpc_bitstream_pending(bout)) { |
322 | 0 | jpc_bitstream_outalign(bout, 0x2a); |
323 | 0 | } |
324 | 0 | jpc_bitstream_close(bout); |
325 | 0 | bout = 0; |
326 | 0 | pass->end = jas_stream_tell(cblk->stream); |
327 | 0 | } else { |
328 | 0 | pass->end = jas_stream_tell(cblk->stream) + |
329 | 0 | jpc_bitstream_pending(bout); |
330 | | /* NOTE - This will not work. need to adjust by # of pending output bytes */ |
331 | 0 | } |
332 | 0 | } |
333 | | #if 0 |
334 | | /* XXX - This assertion fails sometimes when various coding modes are used. |
335 | | This seems to be harmless, but why does it happen at all? */ |
336 | | assert(jas_stream_tell(cblk->stream) == jas_stream_getrwcount(cblk->stream)); |
337 | | #endif |
338 | |
|
339 | 0 | pass->wmsedec = jpc_fixtodbl(band->rlvl->tcmpt->synweight) * |
340 | 0 | jpc_fixtodbl(band->rlvl->tcmpt->synweight) * |
341 | 0 | jpc_fixtodbl(band->synweight) * |
342 | 0 | jpc_fixtodbl(band->synweight) * |
343 | 0 | jpc_fixtodbl(band->absstepsize) * jpc_fixtodbl(band->absstepsize) * |
344 | 0 | ((double) (1 << bitpos)) * ((double)(1 << bitpos)) * |
345 | 0 | jpc_fixtodbl(pass->nmsedec); |
346 | 0 | pass->cumwmsedec = pass->wmsedec; |
347 | 0 | if (pass != cblk->passes) { |
348 | 0 | pass->cumwmsedec += pass[-1].cumwmsedec; |
349 | 0 | } |
350 | 0 | if (passtype == JPC_CLNPASS) { |
351 | 0 | --bitpos; |
352 | 0 | } |
353 | 0 | ++pass; |
354 | 0 | } |
355 | | |
356 | | #if 0 |
357 | | dump_passes(cblk->passes, cblk->numpasses, cblk); |
358 | | #endif |
359 | | |
360 | 0 | n = 0; |
361 | 0 | endpasses = (cblk->passes) ? &cblk->passes[cblk->numpasses] : 0; |
362 | 0 | for (pass = cblk->passes; pass != endpasses; ++pass) { |
363 | 0 | if (pass->start < n) { |
364 | 0 | pass->start = n; |
365 | 0 | } |
366 | 0 | if (pass->end < n) { |
367 | 0 | pass->end = n; |
368 | 0 | } |
369 | 0 | if (!pass->term) { |
370 | 0 | const jpc_enc_pass_t *termpass = pass; |
371 | 0 | while (termpass - pass < cblk->numpasses && |
372 | 0 | !termpass->term) { |
373 | 0 | ++termpass; |
374 | 0 | } |
375 | 0 | if (pass->type == JPC_SEG_MQ) { |
376 | 0 | unsigned t = (pass->mqencstate.lastbyte == 0xff) ? 1 : 0; |
377 | 0 | unsigned adjust; |
378 | 0 | if (pass->mqencstate.ctreg >= 5) { |
379 | 0 | adjust = 4 + t; |
380 | 0 | } else { |
381 | 0 | adjust = 5 + t; |
382 | 0 | } |
383 | 0 | pass->end += adjust; |
384 | 0 | } |
385 | 0 | if (pass->end > termpass->end) { |
386 | 0 | pass->end = termpass->end; |
387 | 0 | } |
388 | 0 | if ((c = getthebyte(cblk->stream, pass->end - 1)) == EOF) { |
389 | 0 | if (bout) { |
390 | 0 | jpc_bitstream_close(bout); |
391 | 0 | } |
392 | 0 | return -1; |
393 | 0 | } |
394 | 0 | if (c == 0xff) { |
395 | 0 | ++pass->end; |
396 | 0 | } |
397 | 0 | n = JAS_MAX(n, pass->end); |
398 | 0 | } else { |
399 | 0 | n = JAS_MAX(n, pass->end); |
400 | 0 | } |
401 | 0 | } |
402 | | |
403 | | #if 0 |
404 | | dump_passes(cblk->passes, cblk->numpasses, cblk); |
405 | | #endif |
406 | | |
407 | 0 | if (bout) { |
408 | 0 | jpc_bitstream_close(bout); |
409 | 0 | } |
410 | |
|
411 | 0 | return 0; |
412 | | |
413 | 0 | error: |
414 | 0 | return -1; |
415 | 0 | } |
416 | | |
417 | | /******************************************************************************\ |
418 | | * Code for significance pass. |
419 | | \******************************************************************************/ |
420 | | |
421 | 0 | #define sigpass_step(fp, frowstep, dp, bitpos, one, nmsedec, orient, mqenc, vcausalflag) \ |
422 | 0 | { \ |
423 | 0 | jpc_fix_t f; \ |
424 | 0 | f = *(fp); \ |
425 | 0 | if ((f & JPC_OTHSIGMSK) && !(f & (JPC_SIG | JPC_VISIT))) { \ |
426 | 0 | bool v = (JAS_ABS(*(dp)) & (one)) != 0; \ |
427 | 0 | jpc_mqenc_setcurctx(mqenc, JPC_GETZCCTXNO(f, (orient))); \ |
428 | 0 | jpc_mqenc_putbit(mqenc, v); \ |
429 | 0 | if (v) { \ |
430 | 0 | *(nmsedec) += JPC_GETSIGNMSEDEC(JAS_ABS(*(dp)), (bitpos) + JPC_NUMEXTRABITS); \ |
431 | 0 | v = ((*(dp) < 0) ? 1 : 0); \ |
432 | 0 | jpc_mqenc_setcurctx(mqenc, JPC_GETSCCTXNO(f)); \ |
433 | 0 | jpc_mqenc_putbit(mqenc, v ^ JPC_GETSPB(f)); \ |
434 | 0 | JPC_UPDATEFLAGS4(fp, frowstep, v, vcausalflag); \ |
435 | 0 | *(fp) |= JPC_SIG; \ |
436 | 0 | } \ |
437 | 0 | *(fp) |= JPC_VISIT; \ |
438 | 0 | } \ |
439 | 0 | } |
440 | | |
441 | | static int jpc_encsigpass(jpc_mqenc_t *mqenc, int bitpos, enum jpc_tsfb_orient orient, bool vcausalflag, |
442 | | jas_matrix_t *flags, const jas_matrix_t *data, int term, long *nmsedec) |
443 | 0 | { |
444 | 0 | int i; |
445 | 0 | int one; |
446 | 0 | jpc_fix_t *fstripestart; |
447 | 0 | jpc_fix_t *fp; |
448 | 0 | jpc_fix_t *fvscanstart; |
449 | |
|
450 | 0 | *nmsedec = 0; |
451 | 0 | const unsigned width = jas_matrix_numcols(data); |
452 | 0 | const unsigned height = jas_matrix_numrows(data); |
453 | 0 | const unsigned frowstep = jas_matrix_rowstep(flags); |
454 | 0 | const unsigned drowstep = jas_matrix_rowstep(data); |
455 | 0 | const unsigned fstripestep = frowstep << 2; |
456 | 0 | const unsigned dstripestep = drowstep << 2; |
457 | |
|
458 | 0 | one = 1 << (bitpos + JPC_NUMEXTRABITS); |
459 | |
|
460 | 0 | fstripestart = jas_matrix_getref(flags, 1, 1); |
461 | 0 | const jpc_fix_t *dstripestart = jas_matrix_getref(data, 0, 0); |
462 | 0 | for (i = height; i > 0; i -= 4, fstripestart += fstripestep, |
463 | 0 | dstripestart += dstripestep) { |
464 | 0 | fvscanstart = fstripestart; |
465 | 0 | const jpc_fix_t *dvscanstart = dstripestart; |
466 | 0 | const unsigned vscanlen = JAS_MIN(i, 4); |
467 | 0 | for (unsigned j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { |
468 | 0 | fp = fvscanstart; |
469 | 0 | const jpc_fix_t *dp = dvscanstart; |
470 | 0 | unsigned k = vscanlen; |
471 | |
|
472 | 0 | sigpass_step(fp, frowstep, dp, bitpos, one, |
473 | 0 | nmsedec, orient, mqenc, vcausalflag); |
474 | 0 | if (--k <= 0) { |
475 | 0 | continue; |
476 | 0 | } |
477 | 0 | fp += frowstep; |
478 | 0 | dp += drowstep; |
479 | 0 | sigpass_step(fp, frowstep, dp, bitpos, one, |
480 | 0 | nmsedec, orient, mqenc, 0); |
481 | 0 | if (--k <= 0) { |
482 | 0 | continue; |
483 | 0 | } |
484 | 0 | fp += frowstep; |
485 | 0 | dp += drowstep; |
486 | 0 | sigpass_step(fp, frowstep, dp, bitpos, one, |
487 | 0 | nmsedec, orient, mqenc, 0); |
488 | 0 | if (--k <= 0) { |
489 | 0 | continue; |
490 | 0 | } |
491 | 0 | fp += frowstep; |
492 | 0 | dp += drowstep; |
493 | 0 | sigpass_step(fp, frowstep, dp, bitpos, one, |
494 | 0 | nmsedec, orient, mqenc, 0); |
495 | |
|
496 | 0 | } |
497 | 0 | } |
498 | |
|
499 | 0 | if (term) { |
500 | 0 | jpc_mqenc_flush(mqenc, term - 1); |
501 | 0 | } |
502 | |
|
503 | 0 | return jpc_mqenc_error(mqenc) ? (-1) : 0; |
504 | 0 | } |
505 | | |
506 | 0 | #define rawsigpass_step(fp, frowstep, dp, bitpos, one, nmsedec, out, vcausalflag) \ |
507 | 0 | { \ |
508 | 0 | jpc_fix_t f = *(fp); \ |
509 | 0 | if ((f & JPC_OTHSIGMSK) && !(f & (JPC_SIG | JPC_VISIT))) { \ |
510 | 0 | bool v = (JAS_ABS(*(dp)) & (one)) != 0; \ |
511 | 0 | if ((jpc_bitstream_putbit((out), v)) == EOF) { \ |
512 | 0 | return -1; \ |
513 | 0 | } \ |
514 | 0 | if (v) { \ |
515 | 0 | *(nmsedec) += JPC_GETSIGNMSEDEC(JAS_ABS(*(dp)), (bitpos) + JPC_NUMEXTRABITS); \ |
516 | 0 | v = *(dp) < 0; \ |
517 | 0 | if (jpc_bitstream_putbit(out, v) == EOF) { \ |
518 | 0 | return -1; \ |
519 | 0 | } \ |
520 | 0 | JPC_UPDATEFLAGS4(fp, frowstep, v, vcausalflag); \ |
521 | 0 | *(fp) |= JPC_SIG; \ |
522 | 0 | } \ |
523 | 0 | *(fp) |= JPC_VISIT; \ |
524 | 0 | } \ |
525 | 0 | } |
526 | | |
527 | | static int jpc_encrawsigpass(jpc_bitstream_t *out, int bitpos, bool vcausalflag, jas_matrix_t *flags, |
528 | | const jas_matrix_t *data, int term, long *nmsedec) |
529 | 0 | { |
530 | 0 | int i; |
531 | 0 | int one; |
532 | 0 | jpc_fix_t *fstripestart; |
533 | 0 | jpc_fix_t *fp; |
534 | 0 | jpc_fix_t *fvscanstart; |
535 | |
|
536 | 0 | *nmsedec = 0; |
537 | 0 | const unsigned width = jas_matrix_numcols(data); |
538 | 0 | const unsigned height = jas_matrix_numrows(data); |
539 | 0 | const unsigned frowstep = jas_matrix_rowstep(flags); |
540 | 0 | const unsigned drowstep = jas_matrix_rowstep(data); |
541 | 0 | const unsigned fstripestep = frowstep << 2; |
542 | 0 | const unsigned dstripestep = drowstep << 2; |
543 | |
|
544 | 0 | one = 1 << (bitpos + JPC_NUMEXTRABITS); |
545 | |
|
546 | 0 | fstripestart = jas_matrix_getref(flags, 1, 1); |
547 | 0 | const jpc_fix_t *dstripestart = jas_matrix_getref(data, 0, 0); |
548 | 0 | for (i = height; i > 0; i -= 4, fstripestart += fstripestep, |
549 | 0 | dstripestart += dstripestep) { |
550 | 0 | fvscanstart = fstripestart; |
551 | 0 | const jpc_fix_t *dvscanstart = dstripestart; |
552 | 0 | const unsigned vscanlen = JAS_MIN(i, 4); |
553 | 0 | for (unsigned j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { |
554 | 0 | fp = fvscanstart; |
555 | 0 | const jpc_fix_t *dp = dvscanstart; |
556 | 0 | unsigned k = vscanlen; |
557 | |
|
558 | 0 | rawsigpass_step(fp, frowstep, dp, bitpos, one, |
559 | 0 | nmsedec, out, vcausalflag); |
560 | 0 | if (--k <= 0) { |
561 | 0 | continue; |
562 | 0 | } |
563 | 0 | fp += frowstep; |
564 | 0 | dp += drowstep; |
565 | |
|
566 | 0 | rawsigpass_step(fp, frowstep, dp, bitpos, one, |
567 | 0 | nmsedec, out, 0); |
568 | 0 | if (--k <= 0) { |
569 | 0 | continue; |
570 | 0 | } |
571 | 0 | fp += frowstep; |
572 | 0 | dp += drowstep; |
573 | |
|
574 | 0 | rawsigpass_step(fp, frowstep, dp, bitpos, one, |
575 | 0 | nmsedec, out, 0); |
576 | 0 | if (--k <= 0) { |
577 | 0 | continue; |
578 | 0 | } |
579 | 0 | fp += frowstep; |
580 | 0 | dp += drowstep; |
581 | |
|
582 | 0 | rawsigpass_step(fp, frowstep, dp, bitpos, one, |
583 | 0 | nmsedec, out, 0); |
584 | 0 | if (--k <= 0) { |
585 | 0 | continue; |
586 | 0 | } |
587 | 0 | fp += frowstep; |
588 | 0 | dp += drowstep; |
589 | |
|
590 | 0 | } |
591 | 0 | } |
592 | | |
593 | 0 | if (term) { |
594 | 0 | jpc_bitstream_outalign(out, 0x2a); |
595 | 0 | } |
596 | |
|
597 | 0 | return 0; |
598 | 0 | } |
599 | | |
600 | | /******************************************************************************\ |
601 | | * Code for refinement pass. |
602 | | \******************************************************************************/ |
603 | | |
604 | 0 | #define refpass_step(fp, dp, bitpos, one, nmsedec, mqenc, vcausalflag) \ |
605 | 0 | { \ |
606 | 0 | jpc_fix_t d; \ |
607 | 0 | if (((*(fp)) & (JPC_SIG | JPC_VISIT)) == JPC_SIG) { \ |
608 | 0 | (d) = *(dp); \ |
609 | 0 | *(nmsedec) += JPC_GETREFNMSEDEC(JAS_ABS(d), (bitpos) + JPC_NUMEXTRABITS); \ |
610 | 0 | jpc_mqenc_setcurctx((mqenc), JPC_GETMAGCTXNO(*(fp))); \ |
611 | 0 | const bool v = (JAS_ABS(d) & (one)) != 0; \ |
612 | 0 | jpc_mqenc_putbit((mqenc), v); \ |
613 | 0 | *(fp) |= JPC_REFINE; \ |
614 | 0 | } \ |
615 | 0 | } |
616 | | |
617 | | static int jpc_encrefpass(jpc_mqenc_t *mqenc, int bitpos, jas_matrix_t *flags, const jas_matrix_t *data, |
618 | | int term, long *nmsedec) |
619 | 0 | { |
620 | 0 | int i; |
621 | 0 | int one; |
622 | 0 | jpc_fix_t *fstripestart; |
623 | 0 | jpc_fix_t *fvscanstart; |
624 | 0 | jpc_fix_t *fp; |
625 | |
|
626 | 0 | *nmsedec = 0; |
627 | 0 | const unsigned width = jas_matrix_numcols(data); |
628 | 0 | const unsigned height = jas_matrix_numrows(data); |
629 | 0 | const unsigned frowstep = jas_matrix_rowstep(flags); |
630 | 0 | const unsigned drowstep = jas_matrix_rowstep(data); |
631 | 0 | const unsigned fstripestep = frowstep << 2; |
632 | 0 | const unsigned dstripestep = drowstep << 2; |
633 | |
|
634 | 0 | one = 1 << (bitpos + JPC_NUMEXTRABITS); |
635 | |
|
636 | 0 | fstripestart = jas_matrix_getref(flags, 1, 1); |
637 | 0 | const jpc_fix_t *dstripestart = jas_matrix_getref(data, 0, 0); |
638 | 0 | for (i = height; i > 0; i -= 4, fstripestart += fstripestep, |
639 | 0 | dstripestart += dstripestep) { |
640 | 0 | fvscanstart = fstripestart; |
641 | 0 | const jpc_fix_t *dvscanstart = dstripestart; |
642 | 0 | const unsigned vscanlen = JAS_MIN(i, 4); |
643 | 0 | for (unsigned j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { |
644 | 0 | fp = fvscanstart; |
645 | 0 | const jpc_fix_t *dp = dvscanstart; |
646 | 0 | unsigned k = vscanlen; |
647 | |
|
648 | 0 | refpass_step(fp, dp, bitpos, one, nmsedec, |
649 | 0 | mqenc, vcausalflag); |
650 | 0 | if (--k <= 0) { |
651 | 0 | continue; |
652 | 0 | } |
653 | 0 | fp += frowstep; |
654 | 0 | dp += drowstep; |
655 | 0 | refpass_step(fp, dp, bitpos, one, nmsedec, |
656 | 0 | mqenc, 0); |
657 | 0 | if (--k <= 0) { |
658 | 0 | continue; |
659 | 0 | } |
660 | 0 | fp += frowstep; |
661 | 0 | dp += drowstep; |
662 | 0 | refpass_step(fp, dp, bitpos, one, nmsedec, |
663 | 0 | mqenc, 0); |
664 | 0 | if (--k <= 0) { |
665 | 0 | continue; |
666 | 0 | } |
667 | 0 | fp += frowstep; |
668 | 0 | dp += drowstep; |
669 | 0 | refpass_step(fp, dp, bitpos, one, nmsedec, |
670 | 0 | mqenc, 0); |
671 | |
|
672 | 0 | } |
673 | 0 | } |
674 | |
|
675 | 0 | if (term) { |
676 | 0 | jpc_mqenc_flush(mqenc, term - 1); |
677 | 0 | } |
678 | |
|
679 | 0 | return jpc_mqenc_error(mqenc) ? (-1) : 0; |
680 | 0 | } |
681 | | |
682 | 0 | #define rawrefpass_step(fp, dp, bitpos, one, nmsedec, out, vcausalflag) \ |
683 | 0 | { \ |
684 | 0 | jpc_fix_t d; \ |
685 | 0 | if (((*(fp)) & (JPC_SIG | JPC_VISIT)) == JPC_SIG) { \ |
686 | 0 | d = *(dp); \ |
687 | 0 | *(nmsedec) += JPC_GETREFNMSEDEC(JAS_ABS(d), (bitpos) + JPC_NUMEXTRABITS); \ |
688 | 0 | const bool v = (JAS_ABS(d) & (one)) != 0; \ |
689 | 0 | if (jpc_bitstream_putbit((out), v) == EOF) { \ |
690 | 0 | return -1; \ |
691 | 0 | } \ |
692 | 0 | *(fp) |= JPC_REFINE; \ |
693 | 0 | } \ |
694 | 0 | } |
695 | | |
696 | | static int jpc_encrawrefpass(jpc_bitstream_t *out, int bitpos, jas_matrix_t *flags, |
697 | | const jas_matrix_t *data, int term, long *nmsedec) |
698 | 0 | { |
699 | 0 | int i; |
700 | 0 | int one; |
701 | 0 | jpc_fix_t *fstripestart; |
702 | 0 | jpc_fix_t *fvscanstart; |
703 | 0 | jpc_fix_t *fp; |
704 | |
|
705 | 0 | *nmsedec = 0; |
706 | 0 | const unsigned width = jas_matrix_numcols(data); |
707 | 0 | const unsigned height = jas_matrix_numrows(data); |
708 | 0 | const unsigned frowstep = jas_matrix_rowstep(flags); |
709 | 0 | const unsigned drowstep = jas_matrix_rowstep(data); |
710 | 0 | const unsigned fstripestep = frowstep << 2; |
711 | 0 | const unsigned dstripestep = drowstep << 2; |
712 | |
|
713 | 0 | one = 1 << (bitpos + JPC_NUMEXTRABITS); |
714 | |
|
715 | 0 | fstripestart = jas_matrix_getref(flags, 1, 1); |
716 | 0 | const jpc_fix_t *dstripestart = jas_matrix_getref(data, 0, 0); |
717 | 0 | for (i = height; i > 0; i -= 4, fstripestart += fstripestep, |
718 | 0 | dstripestart += dstripestep) { |
719 | 0 | fvscanstart = fstripestart; |
720 | 0 | const jpc_fix_t *dvscanstart = dstripestart; |
721 | 0 | const unsigned vscanlen = JAS_MIN(i, 4); |
722 | 0 | for (unsigned j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { |
723 | 0 | fp = fvscanstart; |
724 | 0 | const jpc_fix_t *dp = dvscanstart; |
725 | 0 | unsigned k = vscanlen; |
726 | |
|
727 | 0 | rawrefpass_step(fp, dp, bitpos, one, nmsedec, |
728 | 0 | out, vcausalflag); |
729 | 0 | if (--k <= 0) { |
730 | 0 | continue; |
731 | 0 | } |
732 | 0 | fp += frowstep; |
733 | 0 | dp += drowstep; |
734 | 0 | rawrefpass_step(fp, dp, bitpos, one, nmsedec, |
735 | 0 | out, vcausalflag); |
736 | 0 | if (--k <= 0) { |
737 | 0 | continue; |
738 | 0 | } |
739 | 0 | fp += frowstep; |
740 | 0 | dp += drowstep; |
741 | 0 | rawrefpass_step(fp, dp, bitpos, one, nmsedec, |
742 | 0 | out, vcausalflag); |
743 | 0 | if (--k <= 0) { |
744 | 0 | continue; |
745 | 0 | } |
746 | 0 | fp += frowstep; |
747 | 0 | dp += drowstep; |
748 | 0 | rawrefpass_step(fp, dp, bitpos, one, nmsedec, |
749 | 0 | out, vcausalflag); |
750 | |
|
751 | 0 | } |
752 | 0 | } |
753 | | |
754 | 0 | if (term) { |
755 | 0 | jpc_bitstream_outalign(out, 0x2a); |
756 | 0 | } |
757 | |
|
758 | 0 | return 0; |
759 | 0 | } |
760 | | |
761 | | /******************************************************************************\ |
762 | | * Code for cleanup pass. |
763 | | \******************************************************************************/ |
764 | | |
765 | 0 | #define clnpass_step(fp, frowstep, dp, bitpos, one, orient, nmsedec, mqenc, label1, label2, vcausalflag) \ |
766 | 0 | { \ |
767 | 0 | jpc_fix_t f; \ |
768 | 0 | label1 \ |
769 | 0 | f = *(fp); \ |
770 | 0 | if (!(f & (JPC_SIG | JPC_VISIT))) { \ |
771 | 0 | jpc_mqenc_setcurctx(mqenc, JPC_GETZCCTXNO(f, (orient))); \ |
772 | 0 | bool v = (JAS_ABS(*(dp)) & (one)) != 0; \ |
773 | 0 | jpc_mqenc_putbit((mqenc), v); \ |
774 | 0 | if (v) { \ |
775 | 0 | label2 \ |
776 | 0 | f = *(fp); \ |
777 | 0 | /* Coefficient is significant. */ \ |
778 | 0 | *(nmsedec) += JPC_GETSIGNMSEDEC(JAS_ABS(*(dp)), (bitpos) + JPC_NUMEXTRABITS); \ |
779 | 0 | jpc_mqenc_setcurctx((mqenc), JPC_GETSCCTXNO(f)); \ |
780 | 0 | v = ((*(dp) < 0) ? 1 : 0); \ |
781 | 0 | jpc_mqenc_putbit((mqenc), v ^ JPC_GETSPB(f)); \ |
782 | 0 | JPC_UPDATEFLAGS4((fp), (frowstep), v, vcausalflag); \ |
783 | 0 | *(fp) |= JPC_SIG; \ |
784 | 0 | } \ |
785 | 0 | } \ |
786 | 0 | *(fp) &= ~JPC_VISIT; \ |
787 | 0 | } |
788 | | |
789 | | static int jpc_encclnpass(jpc_mqenc_t *mqenc, int bitpos, enum jpc_tsfb_orient orient, bool vcausalflag, bool segsymflag, jas_matrix_t *flags, |
790 | | const jas_matrix_t *data, int term, long *nmsedec) |
791 | 0 | { |
792 | 0 | int i; |
793 | 0 | jpc_fix_t *fp; |
794 | 0 | int one; |
795 | 0 | jpc_fix_t *fstripestart; |
796 | 0 | jpc_fix_t *fvscanstart; |
797 | |
|
798 | 0 | *nmsedec = 0; |
799 | 0 | const unsigned width = jas_matrix_numcols(data); |
800 | 0 | const unsigned height = jas_matrix_numrows(data); |
801 | 0 | const unsigned frowstep = jas_matrix_rowstep(flags); |
802 | 0 | const unsigned drowstep = jas_matrix_rowstep(data); |
803 | 0 | const unsigned fstripestep = frowstep << 2; |
804 | 0 | const unsigned dstripestep = drowstep << 2; |
805 | |
|
806 | 0 | one = 1 << (bitpos + JPC_NUMEXTRABITS); |
807 | |
|
808 | 0 | fstripestart = jas_matrix_getref(flags, 1, 1); |
809 | 0 | const jpc_fix_t *dstripestart = jas_matrix_getref(data, 0, 0); |
810 | 0 | for (i = height; i > 0; i -= 4, fstripestart += fstripestep, |
811 | 0 | dstripestart += dstripestep) { |
812 | 0 | fvscanstart = fstripestart; |
813 | 0 | const jpc_fix_t *dvscanstart = dstripestart; |
814 | 0 | const unsigned vscanlen = JAS_MIN(i, 4); |
815 | 0 | for (unsigned j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { |
816 | |
|
817 | 0 | fp = fvscanstart; |
818 | 0 | const jpc_fix_t *dp; |
819 | 0 | unsigned k; |
820 | 0 | if (vscanlen >= 4 && !((*fp) & (JPC_SIG | JPC_VISIT | |
821 | 0 | JPC_OTHSIGMSK)) && (fp += frowstep, !((*fp) & (JPC_SIG | |
822 | 0 | JPC_VISIT | JPC_OTHSIGMSK))) && (fp += frowstep, !((*fp) & |
823 | 0 | (JPC_SIG | JPC_VISIT | JPC_OTHSIGMSK))) && (fp += frowstep, |
824 | 0 | !((*fp) & (JPC_SIG | JPC_VISIT | JPC_OTHSIGMSK)))) { |
825 | 0 | dp = dvscanstart; |
826 | 0 | for (k = 0; k < vscanlen; ++k) { |
827 | 0 | const bool v = (JAS_ABS(*dp) & one) != 0; |
828 | 0 | if (v) { |
829 | 0 | break; |
830 | 0 | } |
831 | 0 | dp += drowstep; |
832 | 0 | } |
833 | 0 | unsigned runlen = k; |
834 | 0 | if (runlen >= 4) { |
835 | 0 | jpc_mqenc_setcurctx(mqenc, JPC_AGGCTXNO); |
836 | 0 | jpc_mqenc_putbit(mqenc, false); |
837 | 0 | continue; |
838 | 0 | } |
839 | 0 | jpc_mqenc_setcurctx(mqenc, JPC_AGGCTXNO); |
840 | 0 | jpc_mqenc_putbit(mqenc, true); |
841 | 0 | jpc_mqenc_setcurctx(mqenc, JPC_UCTXNO); |
842 | 0 | jpc_mqenc_putbit(mqenc, runlen >> 1); |
843 | 0 | jpc_mqenc_putbit(mqenc, runlen & 1); |
844 | 0 | fp = fvscanstart + frowstep * runlen; |
845 | 0 | dp = dvscanstart + drowstep * runlen; |
846 | 0 | k = vscanlen - runlen; |
847 | 0 | switch (runlen) { |
848 | 0 | case 0: |
849 | 0 | goto clnpass_partial0; |
850 | 0 | case 1: |
851 | 0 | goto clnpass_partial1; |
852 | 0 | case 2: |
853 | 0 | goto clnpass_partial2; |
854 | 0 | case 3: |
855 | 0 | goto clnpass_partial3; |
856 | 0 | } |
857 | 0 | } else { |
858 | 0 | fp = fvscanstart; |
859 | 0 | dp = dvscanstart; |
860 | 0 | k = vscanlen; |
861 | 0 | goto clnpass_full0; |
862 | 0 | } |
863 | 0 | clnpass_step(fp, frowstep, dp, bitpos, one, |
864 | 0 | orient, nmsedec, mqenc, clnpass_full0:, clnpass_partial0:, vcausalflag); |
865 | 0 | if (--k <= 0) { |
866 | 0 | continue; |
867 | 0 | } |
868 | 0 | fp += frowstep; |
869 | 0 | dp += drowstep; |
870 | 0 | clnpass_step(fp, frowstep, dp, bitpos, one, |
871 | 0 | orient, nmsedec, mqenc, ;, clnpass_partial1:, 0); |
872 | 0 | if (--k <= 0) { |
873 | 0 | continue; |
874 | 0 | } |
875 | 0 | fp += frowstep; |
876 | 0 | dp += drowstep; |
877 | 0 | clnpass_step(fp, frowstep, dp, bitpos, one, |
878 | 0 | orient, nmsedec, mqenc, ;, clnpass_partial2:, 0); |
879 | 0 | if (--k <= 0) { |
880 | 0 | continue; |
881 | 0 | } |
882 | 0 | fp += frowstep; |
883 | 0 | dp += drowstep; |
884 | 0 | clnpass_step(fp, frowstep, dp, bitpos, one, |
885 | 0 | orient, nmsedec, mqenc, ;, clnpass_partial3:, 0); |
886 | 0 | } |
887 | 0 | } |
888 | | |
889 | 0 | if (segsymflag) { |
890 | 0 | jpc_mqenc_setcurctx(mqenc, JPC_UCTXNO); |
891 | 0 | jpc_mqenc_putbit(mqenc, true); |
892 | 0 | jpc_mqenc_putbit(mqenc, false); |
893 | 0 | jpc_mqenc_putbit(mqenc, true); |
894 | 0 | jpc_mqenc_putbit(mqenc, false); |
895 | 0 | } |
896 | |
|
897 | 0 | if (term) { |
898 | 0 | jpc_mqenc_flush(mqenc, term - 1); |
899 | 0 | } |
900 | |
|
901 | 0 | return jpc_mqenc_error(mqenc) ? (-1) : 0; |
902 | 0 | } |