This commit was manufactured by cvs2svn to create tag 'start'.start

1 files changed, 1077 insertions, 0 deletions

diff --git a/libopenjpeg/t1.c b/libopenjpeg/t1.c
new file mode 100644
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--- /dev/null
+++ b/libopenjpeg/t1.c
@@ -0,0 +1,1077 @@
+/*
+ * 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)
+				correction = mqc_bypass_flush_enc();
+			else
+				correction = mqc_restart_enc();
+
+			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)
+					correction = mqc_bypass_flush_enc();
+				else
+					correction = mqc_restart_enc();
+
+				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));
+	}
+}