2 * Copyright (c) 2001-2002, David Janssens
3 * Copyright (c) 2002-2003, Yannick Verschueren
4 * Copyright (c) 2002-2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
32 #include "raw.h" /* Antonin */
41 #define T1_MAXCBLKW 1024
42 #define T1_MAXCBLKH 1024
44 #define T1_SIG_NE 0x0001
45 #define T1_SIG_SE 0x0002
46 #define T1_SIG_SW 0x0004
47 #define T1_SIG_NW 0x0008
48 #define T1_SIG_N 0x0010
49 #define T1_SIG_E 0x0020
50 #define T1_SIG_S 0x0040
51 #define T1_SIG_W 0x0080
52 #define T1_SIG_OTH (T1_SIG_N|T1_SIG_NE|T1_SIG_E|T1_SIG_SE|T1_SIG_S|T1_SIG_SW|T1_SIG_W|T1_SIG_NW)
53 #define T1_SIG_PRIM (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W)
55 #define T1_SGN_N 0x0100
56 #define T1_SGN_E 0x0200
57 #define T1_SGN_S 0x0400
58 #define T1_SGN_W 0x0800
59 #define T1_SGN (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W)
62 #define T1_REFINE 0x2000
63 #define T1_VISIT 0x4000
65 #define T1_NUMCTXS_AGG 1
66 #define T1_NUMCTXS_ZC 9
67 #define T1_NUMCTXS_MAG 3
68 #define T1_NUMCTXS_SC 5
69 #define T1_NUMCTXS_UNI 1
71 #define T1_CTXNO_AGG 0
72 #define T1_CTXNO_ZC (T1_CTXNO_AGG+T1_NUMCTXS_AGG)
73 #define T1_CTXNO_MAG (T1_CTXNO_ZC+T1_NUMCTXS_ZC)
74 #define T1_CTXNO_SC (T1_CTXNO_MAG+T1_NUMCTXS_MAG)
75 #define T1_CTXNO_UNI (T1_CTXNO_SC+T1_NUMCTXS_SC)
76 #define T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI)
78 #define T1_NMSEDEC_BITS 7
79 #define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1)
86 static int t1_lut_ctxno_zc[1024];
87 static int t1_lut_ctxno_sc[256];
88 static int t1_lut_ctxno_mag[4096];
89 static int t1_lut_spb[256];
90 static int t1_lut_nmsedec_sig[1 << T1_NMSEDEC_BITS];
91 static int t1_lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS];
92 static int t1_lut_nmsedec_ref[1 << T1_NMSEDEC_BITS];
93 static int t1_lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS];
95 static int t1_data[T1_MAXCBLKH][T1_MAXCBLKW];
96 static int t1_flags[T1_MAXCBLKH + 2][T1_MAXCBLKH + 2];
98 int t1_getctxno_zc(int f, int orient)
100 return t1_lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
103 int t1_getctxno_sc(int f)
105 return t1_lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
108 int t1_getctxno_mag(int f)
110 return t1_lut_ctxno_mag[(f & T1_SIG_OTH) |
111 (((f & T1_REFINE) != 0) << 11)];
116 return t1_lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
119 int t1_getnmsedec_sig(int x, int bitpos)
121 if (bitpos > T1_NMSEDEC_FRACBITS)
122 return t1_lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) &
123 ((1 << T1_NMSEDEC_BITS) - 1)];
125 return t1_lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
128 int t1_getnmsedec_ref(int x, int bitpos)
130 if (bitpos > T1_NMSEDEC_FRACBITS)
131 return t1_lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) &
132 ((1 << T1_NMSEDEC_BITS) - 1)];
134 return t1_lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
137 void t1_updateflags(int *fp, int s)
139 int *np = fp - (T1_MAXCBLKW + 2);
140 int *sp = fp + (T1_MAXCBLKW + 2);
157 void t1_enc_sigpass_step(int *fp, int *dp, int orient, int bpno, int one,
158 int *nmsedec, char type, int vsc)
161 flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
163 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
164 v = int_abs(*dp) & one ? 1 : 0;
165 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
166 mqc_setcurctx(t1_getctxno_zc(flag, orient)); /* ESSAI */
169 mqc_setcurctx(t1_getctxno_zc(flag, orient));
175 t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
176 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
177 mqc_setcurctx(t1_getctxno_sc(flag)); /* ESSAI */
180 mqc_setcurctx(t1_getctxno_sc(flag));
181 mqc_encode(v ^ t1_getspb(flag));
183 t1_updateflags(fp, v);
191 void t1_dec_sigpass_step(int *fp, int *dp, int orient, int oneplushalf,
195 flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
197 if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
198 if (type == T1_TYPE_RAW) {
200 v = raw_decode(); /* ESSAI */
201 *dp = v ? -oneplushalf : oneplushalf;
202 t1_updateflags(fp, v);
206 mqc_setcurctx(t1_getctxno_zc(flag, orient));
208 mqc_setcurctx(t1_getctxno_sc(flag));
209 v = mqc_decode() ^ t1_getspb(flag);
210 *dp = v ? -oneplushalf : oneplushalf;
211 t1_updateflags(fp, v);
217 } /* VSC and BYPASS by Antonin */
219 void t1_enc_sigpass(int w, int h, int bpno, int orient, int *nmsedec,
220 char type, int cblksty)
222 int i, j, k, one, vsc;
224 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
225 for (k = 0; k < h; k += 4) {
226 for (i = 0; i < w; i++) {
227 for (j = k; j < k + 4 && j < h; j++) {
228 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
229 && (j == k + 3 || j == h - 1)) ? 1 : 0;
230 t1_enc_sigpass_step(&t1_flags[1 + j][1 + i],
231 &t1_data[j][i], orient, bpno, one,
238 void t1_dec_sigpass(int w, int h, int bpno, int orient, char type,
241 int i, j, k, one, half, oneplushalf, vsc;
244 oneplushalf = one | half;
245 for (k = 0; k < h; k += 4) {
246 for (i = 0; i < w; i++) {
247 for (j = k; j < k + 4 && j < h; j++) {
248 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
249 && (j == k + 3 || j == h - 1)) ? 1 : 0;
250 t1_dec_sigpass_step(&t1_flags[1 + j][1 + i],
258 } /* VSC and BYPASS by Antonin */
260 void t1_enc_refpass_step(int *fp, int *dp, int bpno, int one, int *nmsedec,
264 flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
266 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
268 t1_getnmsedec_ref(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
269 v = int_abs(*dp) & one ? 1 : 0;
270 if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
271 mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */
274 mqc_setcurctx(t1_getctxno_mag(flag));
282 void t1_dec_refpass_step(int *fp, int *dp, int poshalf, int neghalf,
286 flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
288 if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
289 if (type == T1_TYPE_RAW) {
290 mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */
293 mqc_setcurctx(t1_getctxno_mag(flag));
296 t = v ? poshalf : neghalf;
297 *dp += *dp < 0 ? -t : t;
300 } /* VSC and BYPASS by Antonin */
302 void t1_enc_refpass(int w, int h, int bpno, int *nmsedec, char type,
305 int i, j, k, one, vsc;
307 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
308 for (k = 0; k < h; k += 4) {
309 for (i = 0; i < w; i++) {
310 for (j = k; j < k + 4 && j < h; j++) {
311 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
312 && (j == k + 3 || j == h - 1)) ? 1 : 0;
313 t1_enc_refpass_step(&t1_flags[1 + j][1 + i],
314 &t1_data[j][i], bpno, one, nmsedec, type, vsc);
320 void t1_dec_refpass(int w, int h, int bpno, char type, int cblksty)
322 int i, j, k, one, poshalf, neghalf;
326 neghalf = bpno > 0 ? -poshalf : -1;
327 for (k = 0; k < h; k += 4) {
328 for (i = 0; i < w; i++) {
329 for (j = k; j < k + 4 && j < h; j++) {
330 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
331 && (j == k + 3 || j == h - 1)) ? 1 : 0;
332 t1_dec_refpass_step(&t1_flags[1 + j][1 + i],
340 } /* VSC and BYPASS by Antonin */
342 void t1_enc_clnpass_step(int *fp, int *dp, int orient, int bpno, int one,
343 int *nmsedec, int partial, int vsc)
346 flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
350 if (!(*fp & (T1_SIG | T1_VISIT))) {
351 mqc_setcurctx(t1_getctxno_zc(flag, orient));
352 v = int_abs(*dp) & one ? 1 : 0;
357 t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
358 mqc_setcurctx(t1_getctxno_sc(flag));
360 mqc_encode(v ^ t1_getspb(flag));
361 t1_updateflags(fp, v);
369 void t1_dec_clnpass_step(int *fp, int *dp, int orient, int oneplushalf,
370 int partial, int vsc)
373 flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
377 if (!(flag & (T1_SIG | T1_VISIT))) {
378 mqc_setcurctx(t1_getctxno_zc(flag, orient));
381 mqc_setcurctx(t1_getctxno_sc(flag));
382 v = mqc_decode() ^ t1_getspb(flag);
383 *dp = v ? -oneplushalf : oneplushalf;
384 t1_updateflags(fp, v);
389 } /* VSC and BYPASS by Antonin */
391 void t1_enc_clnpass(int w, int h, int bpno, int orient, int *nmsedec,
394 int i, j, k, one, agg, runlen, vsc;
396 one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
397 for (k = 0; k < h; k += 4) {
398 for (i = 0; i < w; i++) {
400 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
401 agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
402 || t1_flags[1 + k + 1][1 +
403 i] & (T1_SIG | T1_VISIT |
405 || t1_flags[1 + k + 2][1 +
406 i] & (T1_SIG | T1_VISIT |
408 || (t1_flags[1 + k + 3][1 + i] &
410 (T1_SIG_S | T1_SIG_SE | T1_SIG_SW |
411 T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
413 agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
414 || t1_flags[1 + k + 1][1 +
415 i] & (T1_SIG | T1_VISIT |
417 || t1_flags[1 + k + 2][1 +
418 i] & (T1_SIG | T1_VISIT |
420 || t1_flags[1 + k + 3][1 +
421 i] & (T1_SIG | T1_VISIT |
428 for (runlen = 0; runlen < 4; runlen++) {
429 if (int_abs(t1_data[k + runlen][i]) & one)
432 mqc_setcurctx(T1_CTXNO_AGG);
433 mqc_encode(runlen != 4);
437 mqc_setcurctx(T1_CTXNO_UNI);
438 mqc_encode(runlen >> 1);
439 mqc_encode(runlen & 1);
443 for (j = k + runlen; j < k + 4 && j < h; j++) {
444 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
445 && (j == k + 3 || j == h - 1)) ? 1 : 0;
446 t1_enc_clnpass_step(&t1_flags[1 + j][1 + i],
447 &t1_data[j][i], orient, bpno, one,
448 nmsedec, agg && (j == k + runlen), vsc);
454 void t1_dec_clnpass(int w, int h, int bpno, int orient, int cblksty)
456 int i, j, k, one, half, oneplushalf, agg, runlen, vsc;
457 int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
460 oneplushalf = one | half;
461 for (k = 0; k < h; k += 4) {
462 for (i = 0; i < w; i++) {
464 if (cblksty & J2K_CCP_CBLKSTY_VSC) {
465 agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
466 || t1_flags[1 + k + 1][1 +
467 i] & (T1_SIG | T1_VISIT |
469 || t1_flags[1 + k + 2][1 +
470 i] & (T1_SIG | T1_VISIT |
472 || (t1_flags[1 + k + 3][1 + i] &
474 (T1_SIG_S | T1_SIG_SE | T1_SIG_SW |
475 T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
477 agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
478 || t1_flags[1 + k + 1][1 +
479 i] & (T1_SIG | T1_VISIT |
481 || t1_flags[1 + k + 2][1 +
482 i] & (T1_SIG | T1_VISIT |
484 || t1_flags[1 + k + 3][1 +
485 i] & (T1_SIG | T1_VISIT |
492 mqc_setcurctx(T1_CTXNO_AGG);
496 mqc_setcurctx(T1_CTXNO_UNI);
497 runlen = mqc_decode();
498 runlen = (runlen << 1) | mqc_decode();
502 for (j = k + runlen; j < k + 4 && j < h; j++) {
503 vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC)
504 && (j == k + 3 || j == h - 1)) ? 1 : 0;
505 t1_dec_clnpass_step(&t1_flags[1 + j][1 + i],
509 agg && (j == k + runlen), vsc);
515 mqc_setcurctx(T1_CTXNO_UNI);
517 v = (v << 1) | mqc_decode();
518 v = (v << 1) | mqc_decode();
519 v = (v << 1) | mqc_decode();
522 fprintf(stderr, "warning: bad segmentation symbol %x\n",v);
525 } /* VSC and BYPASS by Antonin */
527 double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps) //mod fixed_quality
529 double w1, w2, wmsedec;
531 w1 = (numcomps > 1) ? mct_getnorm(compno) : 1;
532 w2 = dwt_getnorm(level, orient);
533 } else { /* if (qmfbid == 0) */
534 w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1;
535 w2 = dwt_getnorm_real(level, orient);
537 wmsedec = w1 * w2 * (stepsize / 8192.0) * (1 << bpno);
538 wmsedec *= wmsedec * nmsedec / 8192.0;
542 void t1_encode_cblk(tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, tcd_tile_t * tile) //mod fixed_quality
550 double cumwmsedec = 0;
551 char type = T1_TYPE_MQ;
553 w = cblk->x1 - cblk->x0;
554 h = cblk->y1 - cblk->y0;
557 for (j = 0; j < h; j++) {
558 for (i = 0; i < w; i++) {
559 max = int_max(max, int_abs(t1_data[j][i]));
563 cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;
565 for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++)
566 ((int *) t1_flags)[i] = 0;
567 bpno = cblk->numbps - 1;
571 mqc_setstate(T1_CTXNO_UNI, 0, 46);
572 mqc_setstate(T1_CTXNO_AGG, 0, 3);
573 mqc_setstate(T1_CTXNO_ZC, 0, 4);
574 mqc_init_enc(cblk->data);
576 for (passno = 0; bpno >= 0; passno++) {
577 tcd_pass_t *pass = &cblk->passes[passno];
579 type = ((bpno < (cblk->numbps - 4)) && (passtype < 2)
580 && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW :
585 t1_enc_sigpass(w, h, bpno, orient, &nmsedec, type, cblksty);
588 t1_enc_refpass(w, h, bpno, &nmsedec, type, cblksty);
591 t1_enc_clnpass(w, h, bpno, orient, &nmsedec, cblksty);
592 /* code switch SEGMARK (i.e. SEGSYM) */
593 if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
598 cumwmsedec += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps); //mod fixed_quality
599 tile->distotile += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps); //add antonin quality
602 /* Code switch "RESTART" (i.e. TERMALL) */
603 if ((cblksty & J2K_CCP_CBLKSTY_TERMALL)
604 && !((passtype == 2) && (bpno - 1 < 0))) {
605 if (type == T1_TYPE_RAW) {
608 /* correction = mqc_bypass_flush_enc(); */
609 } else { /* correction = mqc_restart_enc(); */
615 if (((bpno < (cblk->numbps - 4) && (passtype > 0))
616 || ((bpno == (cblk->numbps - 4)) && (passtype == 2)))
617 && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {
618 if (type == T1_TYPE_RAW) {
621 /* correction = mqc_bypass_flush_enc(); */
622 } else { /* correction = mqc_restart_enc(); */
632 if (++passtype == 3) {
637 if (pass->term && bpno > 0) {
638 type = ((bpno < (cblk->numbps - 4)) && (passtype < 2)
639 && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW :
641 if (type == T1_TYPE_RAW)
642 mqc_bypass_init_enc();
644 mqc_restart_init_enc();
647 pass->distortiondec = cumwmsedec;
648 pass->rate = mqc_numbytes() + correction; /* FIXME */
650 pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
652 /* Code-switch "RESET" */
653 if (cblksty & J2K_CCP_CBLKSTY_RESET)
657 /* Code switch "ERTERM" (i.e. PTERM) */
658 if (cblksty & J2K_CCP_CBLKSTY_PTERM)
660 else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
663 cblk->totalpasses = passno;
666 void t1_decode_cblk(tcd_cblk_t * cblk, int orient, int roishift,
674 char type = T1_TYPE_MQ;
677 for (i = 0; i < sizeof(t1_data) / sizeof(int); i++)
678 ((int *) t1_data)[i] = 0;
679 for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++)
680 ((int *) t1_flags)[i] = 0;
682 w = cblk->x1 - cblk->x0;
683 h = cblk->y1 - cblk->y0;
684 bpno = roishift + cblk->numbps - 1;
688 mqc_setstate(T1_CTXNO_UNI, 0, 46);
689 mqc_setstate(T1_CTXNO_AGG, 0, 3);
690 mqc_setstate(T1_CTXNO_ZC, 0, 4);
692 for (segno = 0; segno < cblk->numsegs; segno++) {
693 tcd_seg_t *seg = &cblk->segs[segno];
696 type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2)
697 && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW :
699 if (type == T1_TYPE_RAW)
700 raw_init_dec(seg->data, seg->len);
702 mqc_init_dec(seg->data, seg->len);
705 if (bpno==0) cblk->lastbp=1; // Add Antonin : quantizbug1
707 for (passno = 0; passno < seg->numpasses; passno++) {
710 t1_dec_sigpass(w, h, bpno, orient, type, cblksty);
713 t1_dec_refpass(w, h, bpno, type, cblksty);
716 t1_dec_clnpass(w, h, bpno, orient, cblksty);
720 if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ)
723 if (++passtype == 3) {
731 void t1_encode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp)
733 int compno, resno, bandno, precno, cblkno;
734 int x, y, i, j, orient;
735 tcd_tilecomp_t *tilec;
736 tcd_resolution_t *res;
741 tile->distotile = 0; //add fixed_quality
743 for (compno = 0; compno < tile->numcomps; compno++) {
744 tilec = &tile->comps[compno];
745 for (resno = 0; resno < tilec->numresolutions; resno++) {
746 res = &tilec->resolutions[resno];
747 for (bandno = 0; bandno < res->numbands; bandno++) {
748 band = &res->bands[bandno];
749 for (precno = 0; precno < res->pw * res->ph; precno++) {
750 prc = &band->precincts[precno];
751 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
752 cblk = &prc->cblks[cblkno];
754 if (band->bandno == 0) {
755 x = cblk->x0 - band->x0;
756 y = cblk->y0 - band->y0;
757 } else if (band->bandno == 1) {
758 tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
759 x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
760 y = cblk->y0 - band->y0;
761 } else if (band->bandno == 2) {
762 tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
763 x = cblk->x0 - band->x0;
764 y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
765 } else { /* if (band->bandno == 3) */
766 tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
767 x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
768 y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
771 if (tcp->tccps[compno].qmfbid == 1) {
773 for (j = 0; j < cblk->y1 - cblk->y0; j++) {
774 for (i = 0; i < cblk->x1 - cblk->x0; i++) {
776 tilec->data[(x + i) +
777 (y + j) * (tilec->x1 -
779 x0)] << T1_NMSEDEC_FRACBITS;
782 } else if (tcp->tccps[compno].qmfbid == 0) {
783 for (j = 0; j < cblk->y1 - cblk->y0; j++) {
784 for (i = 0; i < cblk->x1 - cblk->x0; i++) {
788 (y + j) * (tilec->x1 -
792 band->stepsize) >> (13 - T1_NMSEDEC_FRACBITS);
796 orient = band->bandno; /* FIXME */
799 } else if (orient == 1) {
802 t1_encode_cblk(cblk, orient, compno, tilec->numresolutions - 1 - resno, tcp->tccps[compno].qmfbid, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps, tile); //mod fixed_quality
811 void t1_decode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp)
813 int compno, resno, bandno, precno, cblkno;
815 for (compno = 0; compno < tile->numcomps; compno++) {
816 tcd_tilecomp_t *tilec = &tile->comps[compno];
817 for (resno = 0; resno < tilec->numresolutions; resno++) {
818 tcd_resolution_t *res = &tilec->resolutions[resno];
819 for (bandno = 0; bandno < res->numbands; bandno++) {
820 tcd_band_t *band = &res->bands[bandno];
821 for (precno = 0; precno < res->pw * res->ph; precno++) {
822 tcd_precinct_t *prc = &band->precincts[precno];
823 for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
824 int x, y, i, j, orient;
825 tcd_cblk_t *cblk = &prc->cblks[cblkno];
826 orient = band->bandno; /* FIXME */
829 else if (orient == 1)
831 t1_decode_cblk(cblk, orient,
832 tcp->tccps[compno].roishift,
833 tcp->tccps[compno].cblksty);
834 if (band->bandno == 0) {
835 x = cblk->x0 - band->x0;
836 y = cblk->y0 - band->y0;
837 } else if (band->bandno == 1) {
838 tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
839 x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
840 y = cblk->y0 - band->y0;
841 } else if (band->bandno == 2) {
842 tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
843 x = cblk->x0 - band->x0;
844 y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
845 } else { /* if (band->bandno == 3) */
846 tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
847 x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
848 y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
851 if (tcp->tccps[compno].roishift) {
852 int thresh, val, mag;
853 thresh = 1 << tcp->tccps[compno].roishift;
854 for (j = 0; j < cblk->y1 - cblk->y0; j++) {
855 for (i = 0; i < cblk->x1 - cblk->x0; i++) {
859 mag >>= tcp->tccps[compno].roishift;
860 t1_data[j][i] = val < 0 ? -mag : mag;
866 if (tcp->tccps[compno].qmfbid == 1) {
867 for (j = 0; j < cblk->y1 - cblk->y0; j++) {
868 for (i = 0; i < cblk->x1 - cblk->x0; i++) {
870 (y + j) * (tilec->x1 -
871 tilec->x0)] = t1_data[j][i];
874 } else { /* if (tcp->tccps[compno].qmfbid == 0) */
876 for (j = 0; j < cblk->y1 - cblk->y0; j++) {
877 for (i = 0; i < cblk->x1 - cblk->x0; i++) {
878 if (t1_data[j][i] == 0) {
880 (y + j) * (tilec->x1 - tilec->x0)] = 0;
882 // Add antonin : quantizbug1
885 t1_data[j][i]+=t1_data[j][i]>0?1:-1;
888 (y + j) * (tilec->x1 -
891 fix_mul(t1_data[j][i] << 12, band->stepsize); //Mod Antonin : quantizbug1 (before : << 13)
903 int t1_init_ctxno_zc(int f, int orient)
905 int h, v, d, n, t, hv;
907 h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0);
908 v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0);
909 d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) !=
910 0) + ((f & T1_SIG_SE) !=
911 0) + ((f & T1_SIG_SW) != 0);
967 return T1_CTXNO_ZC + n;
970 int t1_init_ctxno_sc(int f)
974 hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
975 T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
976 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
977 (T1_SIG_E | T1_SGN_E)) +
978 ((f & (T1_SIG_W | T1_SGN_W)) ==
979 (T1_SIG_W | T1_SGN_W)), 1);
980 vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
981 T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
982 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
983 (T1_SIG_N | T1_SGN_N)) +
984 ((f & (T1_SIG_S | T1_SGN_S)) ==
985 (T1_SIG_S | T1_SGN_S)), 1);
997 } else if (hc == 1) {
1005 return T1_CTXNO_SC + n;
1008 int t1_init_ctxno_mag(int f)
1011 if (!(f & T1_REFINE))
1012 n = (f & (T1_SIG_OTH)) ? 1 : 0;
1015 return T1_CTXNO_MAG + n;
1018 int t1_init_spb(int f)
1021 hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
1022 T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
1023 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
1024 (T1_SIG_E | T1_SGN_E)) +
1025 ((f & (T1_SIG_W | T1_SGN_W)) ==
1026 (T1_SIG_W | T1_SGN_W)), 1);
1027 vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
1028 T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
1029 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
1030 (T1_SIG_N | T1_SGN_N)) +
1031 ((f & (T1_SIG_S | T1_SGN_S)) ==
1032 (T1_SIG_S | T1_SGN_S)), 1);
1036 n = (!(hc > 0 || (!hc && vc > 0)));
1044 for (j = 0; j < 4; j++) {
1045 for (i = 0; i < 256; ++i) {
1046 t1_lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j);
1049 for (i = 0; i < 256; i++) {
1050 t1_lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);
1052 for (j = 0; j < 2; j++) {
1053 for (i = 0; i < 2048; ++i) {
1054 t1_lut_ctxno_mag[(j << 11) + i] =
1055 t1_init_ctxno_mag((j ? T1_REFINE : 0) | i);
1058 for (i = 0; i < 256; ++i) {
1059 t1_lut_spb[i] = t1_init_spb(i << 4);
1061 /* FIXME FIXME FIXME */
1062 /* printf("nmsedec luts:\n"); */
1063 for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) {
1064 t = i / pow(2, T1_NMSEDEC_FRACBITS);
1067 t1_lut_nmsedec_sig[i] =
1070 ((u * u - v * v) * pow(2,
1071 T1_NMSEDEC_FRACBITS) +
1072 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
1073 t1_lut_nmsedec_sig0[i] =
1076 ((u * u) * pow(2, T1_NMSEDEC_FRACBITS) +
1077 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
1079 if (i & (1 << (T1_NMSEDEC_BITS - 1))) {
1084 t1_lut_nmsedec_ref[i] =
1087 ((u * u - v * v) * pow(2,
1088 T1_NMSEDEC_FRACBITS) +
1089 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
1090 t1_lut_nmsedec_ref0[i] =
1093 ((u * u) * pow(2, T1_NMSEDEC_FRACBITS) +
1094 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));