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Diffstat (limited to 'libopenjpeg/t1.c')
| -rw-r--r-- | libopenjpeg/t1.c | 984 |
1 files changed, 0 insertions, 984 deletions
diff --git a/libopenjpeg/t1.c b/libopenjpeg/t1.c deleted file mode 100644 index 9aa024e2..00000000 --- a/libopenjpeg/t1.c +++ /dev/null @@ -1,984 +0,0 @@ -/* - * Copyright (c) 2001-2002, David Janssens - * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2002-2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "t1.h" -#include "j2k.h" -#include "mqc.h" -#include "raw.h" /* Antonin */ -#include "int.h" -#include "mct.h" -#include "dwt.h" -#include "fix.h" -#include <stdio.h> -#include <math.h> -#include <stdlib.h> - -#define T1_MAXCBLKW 1024 -#define T1_MAXCBLKH 1024 - -#define T1_SIG_NE 0x0001 -#define T1_SIG_SE 0x0002 -#define T1_SIG_SW 0x0004 -#define T1_SIG_NW 0x0008 -#define T1_SIG_N 0x0010 -#define T1_SIG_E 0x0020 -#define T1_SIG_S 0x0040 -#define T1_SIG_W 0x0080 -#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) -#define T1_SIG_PRIM (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W) - -#define T1_SGN_N 0x0100 -#define T1_SGN_E 0x0200 -#define T1_SGN_S 0x0400 -#define T1_SGN_W 0x0800 -#define T1_SGN (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W) - -#define T1_SIG 0x1000 -#define T1_REFINE 0x2000 -#define T1_VISIT 0x4000 - -#define T1_NUMCTXS_AGG 1 -#define T1_NUMCTXS_ZC 9 -#define T1_NUMCTXS_MAG 3 -#define T1_NUMCTXS_SC 5 -#define T1_NUMCTXS_UNI 1 - -#define T1_CTXNO_AGG 0 -#define T1_CTXNO_ZC (T1_CTXNO_AGG+T1_NUMCTXS_AGG) -#define T1_CTXNO_MAG (T1_CTXNO_ZC+T1_NUMCTXS_ZC) -#define T1_CTXNO_SC (T1_CTXNO_MAG+T1_NUMCTXS_MAG) -#define T1_CTXNO_UNI (T1_CTXNO_SC+T1_NUMCTXS_SC) -#define T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI) - -#define T1_NMSEDEC_BITS 7 -#define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1) - -/* add TONY */ -#define T1_TYPE_MQ 0 -#define T1_TYPE_RAW 1 -/* dda */ - -static int t1_lut_ctxno_zc[1024]; -static int t1_lut_ctxno_sc[256]; -static int t1_lut_ctxno_mag[4096]; -static int t1_lut_spb[256]; -static int t1_lut_nmsedec_sig[1 << T1_NMSEDEC_BITS]; -static int t1_lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS]; -static int t1_lut_nmsedec_ref[1 << T1_NMSEDEC_BITS]; -static int t1_lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS]; - -static int t1_data[T1_MAXCBLKH][T1_MAXCBLKH]; -static int t1_flags[T1_MAXCBLKH + 2][T1_MAXCBLKH + 2]; - -int t1_getctxno_zc(int f, int orient) -{ - return t1_lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)]; -} - -int t1_getctxno_sc(int f) -{ - return t1_lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; -} - -int t1_getctxno_mag(int f) -{ - return t1_lut_ctxno_mag[(f & T1_SIG_OTH) | (((f & T1_REFINE) != 0) << 11)]; -} - -int t1_getspb(int f) -{ - return t1_lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4]; -} - -int t1_getnmsedec_sig(int x, int bitpos) -{ - if (bitpos > T1_NMSEDEC_FRACBITS) - return t1_lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)]; - else - return t1_lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; -} - -int t1_getnmsedec_ref(int x, int bitpos) -{ - if (bitpos > T1_NMSEDEC_FRACBITS) - return t1_lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)]; - else - return t1_lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)]; -} - -void t1_updateflags(int *fp, int s) -{ - int *np = fp - (T1_MAXCBLKW + 2); - int *sp = fp + (T1_MAXCBLKW + 2); - np[-1] |= T1_SIG_SE; - np[1] |= T1_SIG_SW; - sp[-1] |= T1_SIG_NE; - sp[1] |= T1_SIG_NW; - *np |= T1_SIG_S; - *sp |= T1_SIG_N; - fp[-1] |= T1_SIG_E; - fp[1] |= T1_SIG_W; - if (s) { - *np |= T1_SGN_S; - *sp |= T1_SGN_N; - fp[-1] |= T1_SGN_E; - fp[1] |= T1_SGN_W; - } -} - -void t1_enc_sigpass_step(int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc) -{ - int v, flag; - flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp); - if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { - v = int_abs(*dp) & one ? 1 : 0; - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_setcurctx(t1_getctxno_zc(flag, orient)); /* ESSAI */ - mqc_bypass_enc(v); - } else { - mqc_setcurctx(t1_getctxno_zc(flag, orient)); - mqc_encode(v); - } - if (v) { - v = *dp < 0 ? 1 : 0; - *nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS); - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_setcurctx(t1_getctxno_sc(flag)); /* ESSAI */ - mqc_bypass_enc(v); - } else { - mqc_setcurctx(t1_getctxno_sc(flag)); - mqc_encode(v ^ t1_getspb(flag)); - } - t1_updateflags(fp, v); - *fp |= T1_SIG; - } - *fp |= T1_VISIT; - } -} - -void t1_dec_sigpass_step(int *fp, int *dp, int orient, int oneplushalf, char type, int vsc) -{ - int v, flag; - flag = - vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) - : (*fp); - if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) { - if (type == T1_TYPE_RAW) { - if (raw_decode()) { - v = raw_decode(); /* ESSAI */ - *dp = v ? -oneplushalf : oneplushalf; - t1_updateflags(fp, v); - *fp |= T1_SIG; - } - } else { - mqc_setcurctx(t1_getctxno_zc(flag, orient)); - if (mqc_decode()) { - mqc_setcurctx(t1_getctxno_sc(flag)); - v = mqc_decode() ^ t1_getspb(flag); - *dp = v ? -oneplushalf : oneplushalf; - t1_updateflags(fp, v); - *fp |= T1_SIG; - } - } - *fp |= T1_VISIT; - } -} /* VSC and BYPASS by Antonin */ - -void t1_enc_sigpass(int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty) -{ - int i, j, k, one, vsc; - *nmsedec = 0; - one = 1 << (bpno + T1_NMSEDEC_FRACBITS); - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - for (j = k; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_enc_sigpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], orient, bpno, one, nmsedec, type, vsc); - } - } - } -} - -void t1_dec_sigpass(int w, int h, int bpno, int orient, char type, int cblksty) -{ - int i, j, k, one, half, oneplushalf, vsc; - one = 1 << bpno; - half = one >> 1; - oneplushalf = one | half; - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - for (j = k; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) - && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_dec_sigpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], orient, oneplushalf, type, vsc); - } - } - } -} /* VSC and BYPASS by Antonin */ - -void t1_enc_refpass_step(int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc) -{ - int v, flag; - flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp); - if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { - *nmsedec += t1_getnmsedec_ref(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS); - v = int_abs(*dp) & one ? 1 : 0; - if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */ - mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */ - mqc_bypass_enc(v); - } else { - mqc_setcurctx(t1_getctxno_mag(flag)); - mqc_encode(v); - } - *fp |= T1_REFINE; - } -} - -void t1_dec_refpass_step(int *fp, int *dp, int poshalf, int neghalf, char type, int vsc) -{ - int v, t, flag; - flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp); - if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) { - if (type == T1_TYPE_RAW) { - mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */ - v = raw_decode(); - } else { - mqc_setcurctx(t1_getctxno_mag(flag)); - v = mqc_decode(); - } - t = v ? poshalf : neghalf; - *dp += *dp < 0 ? -t : t; - *fp |= T1_REFINE; - } -} /* VSC and BYPASS by Antonin */ - -void t1_enc_refpass(int w, int h, int bpno, int *nmsedec, char type, int cblksty) -{ - int i, j, k, one, vsc; - *nmsedec = 0; - one = 1 << (bpno + T1_NMSEDEC_FRACBITS); - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - for (j = k; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_enc_refpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], bpno, one, nmsedec, type, vsc); - } - } - } -} - -void t1_dec_refpass(int w, int h, int bpno, char type, int cblksty) -{ - int i, j, k, one, poshalf, neghalf; - int vsc; - one = 1 << bpno; - poshalf = one >> 1; - neghalf = bpno > 0 ? -poshalf : -1; - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - for (j = k; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_dec_refpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], poshalf, neghalf, type, vsc); - } - } - } -} /* VSC and BYPASS by Antonin */ - -void t1_enc_clnpass_step(int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc) -{ - int v, flag; - flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp); - if (partial) - goto label_partial; - if (!(*fp & (T1_SIG | T1_VISIT))) { - mqc_setcurctx(t1_getctxno_zc(flag, orient)); - v = int_abs(*dp) & one ? 1 : 0; - mqc_encode(v); - if (v) { - label_partial: - *nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS); - mqc_setcurctx(t1_getctxno_sc(flag)); - v = *dp < 0 ? 1 : 0; - mqc_encode(v ^ t1_getspb(flag)); - t1_updateflags(fp, v); - *fp |= T1_SIG; - } - } - *fp &= ~T1_VISIT; -} - -void t1_dec_clnpass_step(int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc) -{ - int v, flag; - flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp); - if (partial) - goto label_partial; - if (!(flag & (T1_SIG | T1_VISIT))) { - mqc_setcurctx(t1_getctxno_zc(flag, orient)); - if (mqc_decode()) { - label_partial: - mqc_setcurctx(t1_getctxno_sc(flag)); - v = mqc_decode() ^ t1_getspb(flag); - *dp = v ? -oneplushalf : oneplushalf; - t1_updateflags(fp, v); - *fp |= T1_SIG; - } - } - *fp &= ~T1_VISIT; -} /* VSC and BYPASS by Antonin */ - -void t1_enc_clnpass(int w, int h, int bpno, int orient, int *nmsedec, int cblksty) -{ - int i, j, k, one, agg, runlen, vsc; - *nmsedec = 0; - one = 1 << (bpno + T1_NMSEDEC_FRACBITS); - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - if (k + 3 < h) { - if (cblksty & J2K_CCP_CBLKSTY_VSC) { - agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) || t1_flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) || (t1_flags[1 + k + 3][1 + i] & (~(T1_SIG_S | T1_SIG_SE - | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); - } else { - agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)); - } - } else { - agg = 0; - } - if (agg) { - for (runlen = 0; runlen < 4; runlen++) { - if (int_abs(t1_data[k + runlen][i]) & one) - break; - } - mqc_setcurctx(T1_CTXNO_AGG); - mqc_encode(runlen != 4); - if (runlen == 4) { - continue; - } - mqc_setcurctx(T1_CTXNO_UNI); - mqc_encode(runlen >> 1); - mqc_encode(runlen & 1); - } else { - runlen = 0; - } - for (j = k + runlen; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_enc_clnpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], orient, bpno, one, nmsedec, agg - && (j == k + runlen), vsc); - } - } - } -} - -void t1_dec_clnpass(int w, int h, int bpno, int orient, int cblksty) -{ - int i, j, k, one, half, oneplushalf, agg, runlen, vsc; - int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM; - one = 1 << bpno; - half = one >> 1; - oneplushalf = one | half; - for (k = 0; k < h; k += 4) { - for (i = 0; i < w; i++) { - if (k + 3 < h) { - if (cblksty & J2K_CCP_CBLKSTY_VSC) { - agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) || t1_flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) || (t1_flags[1 + k + 3][1 + i] & (~(T1_SIG_S | T1_SIG_SE | - T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH)); - } else { - agg = !(t1_flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) - || t1_flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) || t1_flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH) || t1_flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | - T1_SIG_OTH)); - } - } else { - agg = 0; - } - if (agg) { - mqc_setcurctx(T1_CTXNO_AGG); - if (!mqc_decode()) { - continue; - } - mqc_setcurctx(T1_CTXNO_UNI); - runlen = mqc_decode(); - runlen = (runlen << 1) | mqc_decode(); - } else { - runlen = 0; - } - for (j = k + runlen; j < k + 4 && j < h; j++) { - vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; - t1_dec_clnpass_step(&t1_flags[1 + j][1 + i], &t1_data[j][i], orient, oneplushalf, - agg && (j == k + runlen), vsc); - } - } - } - if (segsym) { - int v = 0; - mqc_setcurctx(T1_CTXNO_UNI); - v = mqc_decode(); - v = (v << 1) | mqc_decode(); - v = (v << 1) | mqc_decode(); - v = (v << 1) | mqc_decode(); - /* if (v!=0xa) - { - fprintf(stderr, "warning: bad segmentation symbol %x\n",v); - } */ - } -} /* VSC and BYPASS by Antonin */ - -double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize) -{ - double w1, w2, wmsedec; - if (qmfbid == 1) { - w1 = mct_getnorm(compno); - w2 = dwt_getnorm(level, orient); - } else { /* if (qmfbid == 0) */ - w1 = mct_getnorm_real(compno); - w2 = dwt_getnorm_real(level, orient); - } - wmsedec = w1 * w2 * stepsize * (1 << bpno); - wmsedec *= wmsedec * nmsedec / 8192.0; - return wmsedec; -} - -void t1_encode_cblk(tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty) -{ - int i, j; - int w, h; - int passno; - int bpno, passtype; - int max; - int nmsedec; - double cumwmsedec = 0; - char type = T1_TYPE_MQ; - - w = cblk->x1 - cblk->x0; - h = cblk->y1 - cblk->y0; - - max = 0; - for (j = 0; j < h; j++) { - for (i = 0; i < w; i++) { - max = int_max(max, int_abs(t1_data[j][i])); - } - } - - cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0; - - for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++) - ((int *) t1_flags)[i] = 0; - bpno = cblk->numbps - 1; - passtype = 2; - - mqc_resetstates(); - mqc_setstate(T1_CTXNO_UNI, 0, 46); - mqc_setstate(T1_CTXNO_AGG, 0, 3); - mqc_setstate(T1_CTXNO_ZC, 0, 4); - mqc_init_enc(cblk->data); - - for (passno = 0; bpno >= 0; passno++) { - tcd_pass_t *pass = &cblk->passes[passno]; - int correction = 3; - type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) - && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; - - switch (passtype) { - case 0: - t1_enc_sigpass(w, h, bpno, orient, &nmsedec, type, cblksty); - break; - case 1: - t1_enc_refpass(w, h, bpno, &nmsedec, type, cblksty); - break; - case 2: - t1_enc_clnpass(w, h, bpno, orient, &nmsedec, cblksty); - /* code switch SEGMARK (i.e. SEGSYM) */ - if (cblksty & J2K_CCP_CBLKSTY_SEGSYM) - mqc_segmark_enc(); - break; - } - - cumwmsedec += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize); - - /* Code switch "RESTART" (i.e. TERMALL) */ - if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) - { - if (type == T1_TYPE_RAW) - { - mqc_flush(); - correction=1; - /* correction = mqc_bypass_flush_enc();*/ - } - else - { /* correction = mqc_restart_enc(); */ - mqc_flush(); - correction = 1; - } - pass->term = 1; - } else - { - if (((bpno < (cblk->numbps - 4) && (passtype > 0)) || ((bpno == (cblk->numbps - 4)) && (passtype == 2))) - && (cblksty & J2K_CCP_CBLKSTY_LAZY)) - { - if (type == T1_TYPE_RAW) - { - mqc_flush(); - correction=1; - /* correction = mqc_bypass_flush_enc();*/ - } - else - { /* correction = mqc_restart_enc();*/ - mqc_flush(); - correction=1; - } - pass->term = 1; - } else - { - pass->term = 0; - } - } - - if (++passtype == 3) - { - passtype = 0; - bpno--; - } - - if (pass->term && bpno > 0) { - type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) - && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; - if (type == T1_TYPE_RAW) - mqc_bypass_init_enc(); - else - mqc_restart_init_enc(); - } - - pass->distortiondec = cumwmsedec; - pass->rate = mqc_numbytes() + correction; /* FIXME */ - pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate); - - /* Code-switch "RESET" */ - if (cblksty & J2K_CCP_CBLKSTY_RESET) - mqc_reset_enc(); - } - - /* Code switch "ERTERM" (i.e. PTERM) */ - if (cblksty & J2K_CCP_CBLKSTY_PTERM) - mqc_erterm_enc(); - else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY)) - mqc_flush(); - - cblk->totalpasses = passno; -} - -void t1_decode_cblk(tcd_cblk_t * cblk, int orient, int roishift, int cblksty) -{ - int i; - int w, h; - int bpno, passtype; - int segno, passno; - /* add TONY */ - char type = T1_TYPE_MQ; - /* dda */ - - for (i = 0; i < sizeof(t1_data) / sizeof(int); i++) - ((int *) t1_data)[i] = 0; - for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++) - ((int *) t1_flags)[i] = 0; - - w = cblk->x1 - cblk->x0; - h = cblk->y1 - cblk->y0; - bpno = roishift + cblk->numbps - 1; - passtype = 2; - - mqc_resetstates(); - mqc_setstate(T1_CTXNO_UNI, 0, 46); - mqc_setstate(T1_CTXNO_AGG, 0, 3); - mqc_setstate(T1_CTXNO_ZC, 0, 4); - - for (segno = 0; segno < cblk->numsegs; segno++) { - tcd_seg_t *seg = &cblk->segs[segno]; - - /* add TONY */ - type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) - && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; - if (type == T1_TYPE_RAW) - raw_init_dec(seg->data, seg->len); - else - mqc_init_dec(seg->data, seg->len); - /* dda */ - - for (passno = 0; passno < seg->numpasses; passno++) { - switch (passtype) { - case 0: - t1_dec_sigpass(w, h, bpno, orient, type, cblksty); - break; - case 1: - t1_dec_refpass(w, h, bpno, type, cblksty); - break; - case 2: - t1_dec_clnpass(w, h, bpno, orient, cblksty); - break; - } - - if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) - mqc_reset_enc(); - - if (++passtype == 3) { - passtype = 0; - bpno--; - } - } - } -} - -void t1_encode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp) -{ - int compno, resno, bandno, precno, cblkno; - int x, y, i, j, orient; - tcd_tilecomp_t *tilec; - tcd_resolution_t *res; - tcd_band_t *band; - tcd_precinct_t *prc; - tcd_cblk_t *cblk; - - for (compno = 0; compno < tile->numcomps; compno++) { - tilec = &tile->comps[compno]; - for (resno = 0; resno < tilec->numresolutions; resno++) { - res = &tilec->resolutions[resno]; - for (bandno = 0; bandno < res->numbands; bandno++) { - band = &res->bands[bandno]; - for (precno = 0; precno < res->pw * res->ph; precno++) { - prc = &band->precincts[precno]; - for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { - cblk = &prc->cblks[cblkno]; - - if (band->bandno == 0) { - x = cblk->x0 - band->x0; - y = cblk->y0 - band->y0; - } else if (band->bandno == 1) { - tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; - x = pres->x1 - pres->x0 + cblk->x0 - band->x0; - y = cblk->y0 - band->y0; - } else if (band->bandno == 2) { - tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; - x = cblk->x0 - band->x0; - y = pres->y1 - pres->y0 + cblk->y0 - band->y0; - } else { /* if (band->bandno == 3) */ - tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; - x = pres->x1 - pres->x0 + cblk->x0 - band->x0; - y = pres->y1 - pres->y0 + cblk->y0 - band->y0; - } - - if (tcp->tccps[compno].qmfbid == 1) { - - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - t1_data[j][i] = tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0)] << T1_NMSEDEC_FRACBITS; - } - } - } else if (tcp->tccps[compno].qmfbid == 0) { - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - t1_data[j][i] = fix_mul(tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)], - 8192 * 8192 / band->stepsize) >> (13 - T1_NMSEDEC_FRACBITS); - } - } - } - orient = band->bandno; /* FIXME */ - if (orient == 2) { - orient = 1; - } else if (orient == 1) { - orient = 2; - } - t1_encode_cblk(cblk, orient, compno, - tilec->numresolutions - 1 - resno, - tcp->tccps[compno].qmfbid, band->stepsize, - tcp->tccps[compno].cblksty); - } /* cblkno */ - } /* precno */ - } /* bandno */ - } /* resno */ - } /* compo */ -} - - -void t1_decode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp) -{ - int compno, resno, bandno, precno, cblkno; - - for (compno = 0; compno < tile->numcomps; compno++) - { - tcd_tilecomp_t *tilec = &tile->comps[compno]; - for (resno = 0; resno < tilec->numresolutions; resno++) - { - tcd_resolution_t *res = &tilec->resolutions[resno]; - for (bandno = 0; bandno < res->numbands; bandno++) - { - tcd_band_t *band = &res->bands[bandno]; - for (precno = 0; precno < res->pw * res->ph; precno++) - { - tcd_precinct_t *prc = &band->precincts[precno]; - for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) - { - int x, y, i, j, orient; - tcd_cblk_t *cblk = &prc->cblks[cblkno]; - orient = band->bandno; /* FIXME */ - if (orient == 2) - orient = 1; - else if (orient == 1) - orient = 2; - t1_decode_cblk(cblk, orient, tcp->tccps[compno].roishift, tcp->tccps[compno].cblksty); - if (band->bandno == 0) { - x = cblk->x0 - band->x0; - y = cblk->y0 - band->y0; - } else if (band->bandno == 1) { - tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; - x = pres->x1 - pres->x0 + cblk->x0 - band->x0; - y = cblk->y0 - band->y0; - } else if (band->bandno == 2) { - tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; - x = cblk->x0 - band->x0; - y = pres->y1 - pres->y0 + cblk->y0 - band->y0; - } else { /* if (band->bandno == 3) */ - tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; - x = pres->x1 - pres->x0 + cblk->x0 - band->x0; - y = pres->y1 - pres->y0 + cblk->y0 - band->y0; - } - - if (tcp->tccps[compno].roishift) - { - int thresh, val, mag; - thresh = 1 << tcp->tccps[compno].roishift; - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - val = t1_data[j][i]; - mag = int_abs(val); - if (mag >= thresh) { - mag >>= tcp->tccps[compno].roishift; - t1_data[j][i] = val < 0 ? -mag : mag; - } - } - } - } - - if (tcp->tccps[compno].qmfbid == 1) { - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = t1_data[j][i]; - } - } - } else /* if (tcp->tccps[compno].qmfbid == 0)*/ { - for (j = 0; j < cblk->y1 - cblk->y0; j++) { - for (i = 0; i < cblk->x1 - cblk->x0; i++) { - if (t1_data[j][i] == 0) { - tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0; - } else { - tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = fix_mul(t1_data[j][i] << 13, band->stepsize); - } - } - } - } - } - } - } - } - } -} - -int t1_init_ctxno_zc(int f, int orient) -{ - int h, v, d, n, t, hv; - n = 0; - h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0); - v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0); - d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != 0) + ((f & T1_SIG_SE) != 0) + ((f & T1_SIG_SW) != 0); - switch (orient) { - case 2: - t = h; - h = v; - v = t; - case 0: - case 1: - if (!h) { - if (!v) { - if (!d) - n = 0; - else if (d == 1) - n = 1; - else - n = 2; - } else if (v == 1) - n = 3; - else - n = 4; - } else if (h == 1) { - if (!v) { - if (!d) - n = 5; - else - n = 6; - } else - n = 7; - } else - n = 8; - break; - case 3: - hv = h + v; - if (!d) { - if (!hv) - n = 0; - else if (hv == 1) - n = 1; - else - n = 2; - } else if (d == 1) { - if (!hv) - n = 3; - else if (hv == 1) - n = 4; - else - n = 5; - } else if (d == 2) { - if (!hv) - n = 6; - else - n = 7; - } else - n = 8; - break; - } - return T1_CTXNO_ZC + n; -} - -int t1_init_ctxno_sc(int f) -{ - int hc, vc, n; - n = 0; - hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W), - 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == (T1_SIG_E | T1_SGN_E)) + ((f & (T1_SIG_W | T1_SGN_W)) == - (T1_SIG_W | T1_SGN_W)), 1); - vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S), - 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == (T1_SIG_N | T1_SGN_N)) + ((f & (T1_SIG_S | T1_SGN_S)) == - (T1_SIG_S | T1_SGN_S)), 1); - if (hc < 0) { - hc = -hc; - vc = -vc; - } - if (!hc) { - if (vc == -1) - n = 1; - else if (!vc) - n = 0; - else - n = 1; - } else if (hc == 1) { - if (vc == -1) - n = 2; - else if (!vc) - n = 3; - else - n = 4; - } - return T1_CTXNO_SC + n; -} - -int t1_init_ctxno_mag(int f) -{ - int n; - if (!(f & T1_REFINE)) - n = (f & (T1_SIG_OTH)) ? 1 : 0; - else - n = 2; - return T1_CTXNO_MAG + n; -} - -int t1_init_spb(int f) -{ - int hc, vc, n; - hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) == T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W), - 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) == (T1_SIG_E | T1_SGN_E)) + ((f & (T1_SIG_W | T1_SGN_W)) == - (T1_SIG_W | T1_SGN_W)), 1); - vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) == T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S), - 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) == (T1_SIG_N | T1_SGN_N)) + ((f & (T1_SIG_S | T1_SGN_S)) == - (T1_SIG_S | T1_SGN_S)), 1); - if (!hc && !vc) - n = 0; - else - n = (!(hc > 0 || (!hc && vc > 0))); - return n; -} - -void t1_init_luts() -{ - int i, j; - double u, v, t; - for (j = 0; j < 4; j++) { - for (i = 0; i < 256; ++i) { - t1_lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j); - } - } - for (i = 0; i < 256; i++) { - t1_lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4); - } - for (j = 0; j < 2; j++) { - for (i = 0; i < 2048; ++i) { - t1_lut_ctxno_mag[(j << 11) + i] = - t1_init_ctxno_mag((j ? T1_REFINE : 0) | i); - } - } - for (i = 0; i < 256; ++i) { - t1_lut_spb[i] = t1_init_spb(i << 4); - } - /* FIXME FIXME FIXME */ - /* printf("nmsedec luts:\n"); */ - for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) { - t = i / pow(2, T1_NMSEDEC_FRACBITS); - u = t; - v = t - 1.5; - t1_lut_nmsedec_sig[i] = int_max(0, (int) (floor((u * u - v * v) * pow(2,T1_NMSEDEC_FRACBITS) + - 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - t1_lut_nmsedec_sig0[i] = int_max(0, (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / - pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - u = t - 1.0; - if (i & (1 << (T1_NMSEDEC_BITS - 1))) { - v = t - 1.5; - } else { - v = t - 0.5; - } - t1_lut_nmsedec_ref[i] = int_max(0, (int) (floor((u * u - v * v) * pow(2,T1_NMSEDEC_FRACBITS) + - 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - t1_lut_nmsedec_ref0[i] = int_max(0, (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / - pow(2, T1_NMSEDEC_FRACBITS) * 8192.0)); - } -} |