Move libopenjpeg to third_party/

We get to delete a whole bunch of fx_foo.c files that did nothing
but #include "foo.c" after defining _CRT_SECURE_NO_WARNINGS. Do this
from the .gyp/.gn files instead.

Also sort some "config"s in .gn file.

R=thestig@chromium.org

Committed: https://pdfium.googlesource.com/pdfium/+/c7a17bf9cdb0d646aa8b653e6ab2678a1837ed6a

Review URL: https://codereview.chromium.org/1185373010.

1 files changed, 1774 insertions, 0 deletions

diff --git a/third_party/libopenjpeg20/t1.c b/third_party/libopenjpeg20/t1.c
new file mode 100644
index 0000000000..8cb230f48e
--- /dev/null
+++ b/third_party/libopenjpeg20/t1.c
@@ -0,0 +1,1774 @@
+/*
+ * The copyright in this software is being made available under the 2-clauses 
+ * BSD License, included below. This software may be subject to other third 
+ * party and contributor rights, including patent rights, and no such rights
+ * are granted under this license.
+ *
+ * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2014, Professor Benoit Macq
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux 
+ * Copyright (c) 2003-2014, Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
+ * 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 "opj_includes.h"
+#include "t1_luts.h"
+
+/** @defgroup T1 T1 - Implementation of the tier-1 coding */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+static INLINE OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient);
+static OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f);
+static INLINE OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f);
+static OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f);
+static OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos);
+static OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos);
+static void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride);
+/**
+Encode significant pass
+*/
+static void opj_t1_enc_sigpass_step(opj_t1_t *t1,
+                                    opj_flag_t *flagsp,
+                                    OPJ_INT32 *datap,
+                                    OPJ_UINT32 orient,
+                                    OPJ_INT32 bpno,
+                                    OPJ_INT32 one,
+                                    OPJ_INT32 *nmsedec,
+                                    OPJ_BYTE type,
+                                    OPJ_UINT32 vsc);
+
+/**
+Decode significant pass
+*/
+#if 0
+static void opj_t1_dec_sigpass_step(opj_t1_t *t1,
+                                    opj_flag_t *flagsp,
+                                    OPJ_INT32 *datap,
+                                    OPJ_UINT32 orient,
+                                    OPJ_INT32 oneplushalf,
+                                    OPJ_BYTE type,
+                                    OPJ_UINT32 vsc);
+#endif
+
+static INLINE void opj_t1_dec_sigpass_step_raw(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 orient,
+                OPJ_INT32 oneplushalf,
+                OPJ_INT32 vsc);
+static INLINE void opj_t1_dec_sigpass_step_mqc(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 orient,
+                OPJ_INT32 oneplushalf);
+static INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 orient,
+                OPJ_INT32 oneplushalf,
+                OPJ_INT32 vsc);
+
+
+/**
+Encode significant pass
+*/
+static void opj_t1_enc_sigpass( opj_t1_t *t1,
+                                OPJ_INT32 bpno,
+                                OPJ_UINT32 orient,
+                                OPJ_INT32 *nmsedec,
+                                OPJ_BYTE type,
+                                OPJ_UINT32 cblksty);
+
+/**
+Decode significant pass
+*/
+static void opj_t1_dec_sigpass_raw(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno,
+                OPJ_INT32 orient,
+                OPJ_INT32 cblksty);
+static void opj_t1_dec_sigpass_mqc(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno,
+                OPJ_INT32 orient);
+static void opj_t1_dec_sigpass_mqc_vsc(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno,
+                OPJ_INT32 orient);
+
+
+
+/**
+Encode refinement pass
+*/
+static void opj_t1_enc_refpass_step(opj_t1_t *t1,
+                                    opj_flag_t *flagsp,
+                                    OPJ_INT32 *datap,
+                                    OPJ_INT32 bpno,
+                                    OPJ_INT32 one,
+                                    OPJ_INT32 *nmsedec,
+                                    OPJ_BYTE type,
+                                    OPJ_UINT32 vsc);
+
+
+/**
+Encode refinement pass
+*/
+static void opj_t1_enc_refpass( opj_t1_t *t1,
+                                OPJ_INT32 bpno,
+                                OPJ_INT32 *nmsedec,
+                                OPJ_BYTE type,
+                                OPJ_UINT32 cblksty);
+
+/**
+Decode refinement pass
+*/
+static void opj_t1_dec_refpass_raw(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno,
+                OPJ_INT32 cblksty);
+static void opj_t1_dec_refpass_mqc(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno);
+static void opj_t1_dec_refpass_mqc_vsc(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno);
+
+
+/**
+Decode refinement pass
+*/
+#if 0
+static void opj_t1_dec_refpass_step(opj_t1_t *t1,
+                                    opj_flag_t *flagsp,
+                                    OPJ_INT32 *datap,
+                                    OPJ_INT32 poshalf,
+                                    OPJ_INT32 neghalf,
+                                    OPJ_BYTE type,
+                                    OPJ_UINT32 vsc);
+#endif
+
+static INLINE void  opj_t1_dec_refpass_step_raw(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 poshalf,
+                OPJ_INT32 neghalf,
+                OPJ_INT32 vsc);
+static INLINE void opj_t1_dec_refpass_step_mqc(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 poshalf,
+                OPJ_INT32 neghalf);
+static INLINE void opj_t1_dec_refpass_step_mqc_vsc(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 poshalf,
+                OPJ_INT32 neghalf,
+                OPJ_INT32 vsc);
+
+
+
+/**
+Encode clean-up pass
+*/
+static void opj_t1_enc_clnpass_step(
+		opj_t1_t *t1,
+		opj_flag_t *flagsp,
+		OPJ_INT32 *datap,
+		OPJ_UINT32 orient,
+		OPJ_INT32 bpno,
+		OPJ_INT32 one,
+		OPJ_INT32 *nmsedec,
+		OPJ_UINT32 partial,
+		OPJ_UINT32 vsc);
+/**
+Decode clean-up pass
+*/
+static void opj_t1_dec_clnpass_step_partial(
+		opj_t1_t *t1,
+		opj_flag_t *flagsp,
+		OPJ_INT32 *datap,
+		OPJ_INT32 orient,
+		OPJ_INT32 oneplushalf);
+static void opj_t1_dec_clnpass_step(
+		opj_t1_t *t1,
+		opj_flag_t *flagsp,
+		OPJ_INT32 *datap,
+		OPJ_INT32 orient,
+		OPJ_INT32 oneplushalf);
+static void opj_t1_dec_clnpass_step_vsc(
+		opj_t1_t *t1,
+		opj_flag_t *flagsp,
+		OPJ_INT32 *datap,
+		OPJ_INT32 orient,
+		OPJ_INT32 oneplushalf,
+		OPJ_INT32 partial,
+		OPJ_INT32 vsc);
+/**
+Encode clean-up pass
+*/
+static void opj_t1_enc_clnpass(
+		opj_t1_t *t1,
+		OPJ_INT32 bpno,
+		OPJ_UINT32 orient,
+		OPJ_INT32 *nmsedec,
+		OPJ_UINT32 cblksty);
+/**
+Decode clean-up pass
+*/
+static void opj_t1_dec_clnpass(
+		opj_t1_t *t1,
+		OPJ_INT32 bpno,
+		OPJ_INT32 orient,
+		OPJ_INT32 cblksty);
+
+static OPJ_FLOAT64 opj_t1_getwmsedec(
+		OPJ_INT32 nmsedec,
+		OPJ_UINT32 compno,
+		OPJ_UINT32 level,
+		OPJ_UINT32 orient,
+		OPJ_INT32 bpno,
+		OPJ_UINT32 qmfbid,
+		OPJ_FLOAT64 stepsize,
+		OPJ_UINT32 numcomps,
+		const OPJ_FLOAT64 * mct_norms,
+		OPJ_UINT32 mct_numcomps);
+
+static void opj_t1_encode_cblk( opj_t1_t *t1,
+                                opj_tcd_cblk_enc_t* cblk,
+                                OPJ_UINT32 orient,
+                                OPJ_UINT32 compno,
+                                OPJ_UINT32 level,
+                                OPJ_UINT32 qmfbid,
+                                OPJ_FLOAT64 stepsize,
+                                OPJ_UINT32 cblksty,
+                                OPJ_UINT32 numcomps,
+                                opj_tcd_tile_t * tile,
+                                const OPJ_FLOAT64 * mct_norms,
+                                OPJ_UINT32 mct_numcomps);
+
+/**
+Decode 1 code-block
+@param t1 T1 handle
+@param cblk Code-block coding parameters
+@param orient
+@param roishift Region of interest shifting value
+@param cblksty Code-block style
+*/
+static OPJ_BOOL opj_t1_decode_cblk( opj_t1_t *t1,
+                                    opj_tcd_cblk_dec_t* cblk,
+                                    OPJ_UINT32 orient,
+                                    OPJ_UINT32 roishift,
+                                    OPJ_UINT32 cblksty);
+
+OPJ_BOOL opj_t1_allocate_buffers(   opj_t1_t *t1,
+                                    OPJ_UINT32 w,
+                                    OPJ_UINT32 h);
+
+/*@}*/
+
+/*@}*/
+
+/* ----------------------------------------------------------------------- */
+
+OPJ_BYTE opj_t1_getctxno_zc(OPJ_UINT32 f, OPJ_UINT32 orient) {
+	return lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
+}
+
+OPJ_BYTE opj_t1_getctxno_sc(OPJ_UINT32 f) {
+	return lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+}
+
+OPJ_UINT32 opj_t1_getctxno_mag(OPJ_UINT32 f) {
+	OPJ_UINT32 tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
+	OPJ_UINT32 tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1;
+	return (tmp2);
+}
+
+OPJ_BYTE opj_t1_getspb(OPJ_UINT32 f) {
+	return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+}
+
+OPJ_INT16 opj_t1_getnmsedec_sig(OPJ_UINT32 x, OPJ_UINT32 bitpos) {
+	if (bitpos > T1_NMSEDEC_FRACBITS) {
+		return lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
+	}
+	
+	return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+}
+
+OPJ_INT16 opj_t1_getnmsedec_ref(OPJ_UINT32 x, OPJ_UINT32 bitpos) {
+	if (bitpos > T1_NMSEDEC_FRACBITS) {
+		return lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
+	}
+
+    return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+}
+
+void opj_t1_updateflags(opj_flag_t *flagsp, OPJ_UINT32 s, OPJ_UINT32 stride) {
+	opj_flag_t *np = flagsp - stride;
+	opj_flag_t *sp = flagsp + stride;
+
+	static const opj_flag_t mod[] = {
+		T1_SIG_S, T1_SIG_S|T1_SGN_S,
+		T1_SIG_E, T1_SIG_E|T1_SGN_E,
+		T1_SIG_W, T1_SIG_W|T1_SGN_W,
+		T1_SIG_N, T1_SIG_N|T1_SGN_N
+	};
+
+	np[-1] |= T1_SIG_SE;
+	np[0]  |= mod[s];
+	np[1]  |= T1_SIG_SW;
+
+	flagsp[-1] |= mod[s+2];
+	flagsp[0]  |= T1_SIG;
+	flagsp[1]  |= mod[s+4];
+
+	sp[-1] |= T1_SIG_NE;
+	sp[0]  |= mod[s+6];
+	sp[1]  |= T1_SIG_NW;
+}
+
+void opj_t1_enc_sigpass_step(   opj_t1_t *t1,
+                                opj_flag_t *flagsp,
+                                OPJ_INT32 *datap,
+                                OPJ_UINT32 orient,
+                                OPJ_INT32 bpno,
+                                OPJ_INT32 one,
+                                OPJ_INT32 *nmsedec,
+                                OPJ_BYTE type,
+                                OPJ_UINT32 vsc
+                                )
+{
+	OPJ_INT32 v;
+    OPJ_UINT32 flag;
+	
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	
+	flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
+	if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+		v = opj_int_abs(*datap) & one ? 1 : 0;
+		opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient));	/* ESSAI */
+		if (type == T1_TYPE_RAW) {	/* BYPASS/LAZY MODE */
+			opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
+		} else {
+			opj_mqc_encode(mqc, (OPJ_UINT32)v);
+		}
+		if (v) {
+			v = *datap < 0 ? 1 : 0;
+			*nmsedec +=	opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
+			opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));	/* ESSAI */
+			if (type == T1_TYPE_RAW) {	/* BYPASS/LAZY MODE */
+				opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
+			} else {
+				opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag)));
+			}
+			opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
+		}
+		*flagsp |= T1_VISIT;
+	}
+}
+
+
+static INLINE void opj_t1_dec_sigpass_step_raw(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 orient,
+                OPJ_INT32 oneplushalf,
+                OPJ_INT32 vsc)
+{
+        OPJ_INT32 v, flag;
+        opj_raw_t *raw = t1->raw;       /* RAW component */
+        OPJ_ARG_NOT_USED(orient);
+       
+        flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+        if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+                        if (opj_raw_decode(raw)) {
+                                v = (OPJ_INT32)opj_raw_decode(raw);    /* ESSAI */
+                                *datap = v ? -oneplushalf : oneplushalf;
+                                opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
+                        }
+                *flagsp |= T1_VISIT;
+        }
+}      
+
+INLINE void opj_t1_dec_sigpass_step_mqc(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 orient,
+                OPJ_INT32 oneplushalf)
+{
+        OPJ_INT32 v, flag;
+       
+        opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
+        flag = *flagsp;
+        if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+                        opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
+                        if (opj_mqc_decode(mqc)) {
+                                opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
+                                v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
+                                *datap = v ? -oneplushalf : oneplushalf;
+                                opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
+                        }
+                *flagsp |= T1_VISIT;
+        }
+}                               /* VSC and  BYPASS by Antonin */
+
+INLINE void opj_t1_dec_sigpass_step_mqc_vsc(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 orient,
+                OPJ_INT32 oneplushalf,
+                OPJ_INT32 vsc)
+{
+        OPJ_INT32 v, flag;
+       
+        opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
+        flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+        if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+                opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
+                if (opj_mqc_decode(mqc)) {
+                        opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
+                        v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
+                        *datap = v ? -oneplushalf : oneplushalf;
+                        opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
+                }
+                *flagsp |= T1_VISIT;
+        }
+}                               /* VSC and  BYPASS by Antonin */
+
+
+
+void opj_t1_enc_sigpass(opj_t1_t *t1,
+                        OPJ_INT32 bpno,
+                        OPJ_UINT32 orient,
+                        OPJ_INT32 *nmsedec,
+                        OPJ_BYTE type,
+                        OPJ_UINT32 cblksty
+                        )
+{
+	OPJ_UINT32 i, j, k, vsc; 
+    OPJ_INT32 one;
+
+	*nmsedec = 0;
+	one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+	for (k = 0; k < t1->h; k += 4) {
+		for (i = 0; i < t1->w; ++i) {
+			for (j = k; j < k + 4 && j < t1->h; ++j) {
+				vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+				opj_t1_enc_sigpass_step(
+						t1,
+						&t1->flags[((j+1) * t1->flags_stride) + i + 1],
+						&t1->data[(j * t1->data_stride) + i],
+						orient,
+						bpno,
+						one,
+						nmsedec,
+						type,
+						vsc);
+			}
+		}
+	}
+}
+
+void opj_t1_dec_sigpass_raw(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno,
+                OPJ_INT32 orient,
+                OPJ_INT32 cblksty)
+{
+        OPJ_INT32 one, half, oneplushalf, vsc;
+        OPJ_UINT32 i, j, k; 
+        one = 1 << bpno;
+        half = one >> 1;
+        oneplushalf = one | half;
+        for (k = 0; k < t1->h; k += 4) {
+                for (i = 0; i < t1->w; ++i) {
+                        for (j = k; j < k + 4 && j < t1->h; ++j) {
+                                vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+                                opj_t1_dec_sigpass_step_raw(
+                                                t1,
+                                                &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                                &t1->data[(j * t1->w) + i],
+                                                orient,
+                                                oneplushalf,
+                                                vsc);
+                        }
+                }
+        }
+}                               /* VSC and  BYPASS by Antonin */
+
+void opj_t1_dec_sigpass_mqc(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno,
+                OPJ_INT32 orient)
+{
+        OPJ_INT32 one, half, oneplushalf;
+        OPJ_UINT32 i, j, k;
+        OPJ_INT32 *data1 = t1->data;
+        opj_flag_t *flags1 = &t1->flags[1];
+        one = 1 << bpno;
+        half = one >> 1;
+        oneplushalf = one | half;
+        for (k = 0; k < (t1->h & ~3u); k += 4) {
+                for (i = 0; i < t1->w; ++i) {
+                        OPJ_INT32 *data2 = data1 + i;
+                        opj_flag_t *flags2 = flags1 + i;
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                        data2 += t1->w;
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                        data2 += t1->w;
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                        data2 += t1->w;
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                        data2 += t1->w;
+                }
+                data1 += t1->w << 2;
+                flags1 += t1->flags_stride << 2;
+        }
+        for (i = 0; i < t1->w; ++i) {
+                OPJ_INT32 *data2 = data1 + i;
+                opj_flag_t *flags2 = flags1 + i;
+                for (j = k; j < t1->h; ++j) {
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                        data2 += t1->w;
+                }
+        }
+}                               /* VSC and  BYPASS by Antonin */
+
+void opj_t1_dec_sigpass_mqc_vsc(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno,
+                OPJ_INT32 orient)
+{
+        OPJ_INT32 one, half, oneplushalf, vsc;
+        OPJ_UINT32 i, j, k;
+        one = 1 << bpno;
+        half = one >> 1;
+        oneplushalf = one | half;
+        for (k = 0; k < t1->h; k += 4) {
+                for (i = 0; i < t1->w; ++i) {
+                        for (j = k; j < k + 4 && j < t1->h; ++j) {
+                                vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
+                                opj_t1_dec_sigpass_step_mqc_vsc(
+                                                t1,
+                                                &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                                &t1->data[(j * t1->w) + i],
+                                                orient,
+                                                oneplushalf,
+                                                vsc);
+                        }
+                }
+        }
+}                               /* VSC and  BYPASS by Antonin */
+
+
+
+void opj_t1_enc_refpass_step(   opj_t1_t *t1,
+                                opj_flag_t *flagsp,
+                                OPJ_INT32 *datap,
+                                OPJ_INT32 bpno,
+                                OPJ_INT32 one,
+                                OPJ_INT32 *nmsedec,
+                                OPJ_BYTE type,
+                                OPJ_UINT32 vsc)
+{
+	OPJ_INT32 v;
+	OPJ_UINT32 flag;
+	
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	
+	flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
+	if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+		*nmsedec += opj_t1_getnmsedec_ref((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
+		v = opj_int_abs(*datap) & one ? 1 : 0;
+		opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag));	/* ESSAI */
+		if (type == T1_TYPE_RAW) {	/* BYPASS/LAZY MODE */
+			opj_mqc_bypass_enc(mqc, (OPJ_UINT32)v);
+		} else {
+			opj_mqc_encode(mqc, (OPJ_UINT32)v);
+		}
+		*flagsp |= T1_REFINE;
+	}
+}
+
+INLINE void opj_t1_dec_refpass_step_raw(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 poshalf,
+                OPJ_INT32 neghalf,
+                OPJ_INT32 vsc)
+{
+        OPJ_INT32 v, t, flag;
+       
+        opj_raw_t *raw = t1->raw;       /* RAW component */
+       
+        flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+        if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+                        v = (OPJ_INT32)opj_raw_decode(raw);
+                t = v ? poshalf : neghalf;
+                *datap += *datap < 0 ? -t : t;
+                *flagsp |= T1_REFINE;
+        }
+}                               /* VSC and  BYPASS by Antonin  */
+
+INLINE void opj_t1_dec_refpass_step_mqc(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 poshalf,
+                OPJ_INT32 neghalf)
+{
+        OPJ_INT32 v, t, flag;
+       
+        opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
+        flag = *flagsp;
+        if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+                opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag));      /* ESSAI */
+                        v = opj_mqc_decode(mqc);
+                t = v ? poshalf : neghalf;
+                *datap += *datap < 0 ? -t : t;
+                *flagsp |= T1_REFINE;
+                }
+}                               /* VSC and  BYPASS by Antonin  */
+
+INLINE void opj_t1_dec_refpass_step_mqc_vsc(
+                opj_t1_t *t1,
+                opj_flag_t *flagsp,
+                OPJ_INT32 *datap,
+                OPJ_INT32 poshalf,
+                OPJ_INT32 neghalf,
+                OPJ_INT32 vsc)
+{
+        OPJ_INT32 v, t, flag;
+       
+        opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
+        flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+        if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+                opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag((OPJ_UINT32)flag));      /* ESSAI */
+                v = opj_mqc_decode(mqc);
+                t = v ? poshalf : neghalf;
+                *datap += *datap < 0 ? -t : t;
+                *flagsp |= T1_REFINE;
+        }
+}                               /* VSC and  BYPASS by Antonin  */
+
+
+void opj_t1_enc_refpass(
+		opj_t1_t *t1,
+		OPJ_INT32 bpno,
+		OPJ_INT32 *nmsedec,
+		OPJ_BYTE type,
+		OPJ_UINT32 cblksty)
+{
+	OPJ_UINT32 i, j, k, vsc;
+    OPJ_INT32 one;
+
+	*nmsedec = 0;
+	one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+	for (k = 0; k < t1->h; k += 4) {
+		for (i = 0; i < t1->w; ++i) {
+			for (j = k; j < k + 4 && j < t1->h; ++j) {
+				vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+				opj_t1_enc_refpass_step(
+						t1,
+						&t1->flags[((j+1) * t1->flags_stride) + i + 1],
+						&t1->data[(j * t1->data_stride) + i],
+						bpno,
+						one,
+						nmsedec,
+						type,
+						vsc);
+			}
+		}
+	}
+}
+
+void opj_t1_dec_refpass_raw(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno,
+                OPJ_INT32 cblksty)
+{
+        OPJ_INT32 one, poshalf, neghalf;
+        OPJ_UINT32 i, j, k;
+        OPJ_INT32 vsc;
+        one = 1 << bpno;
+        poshalf = one >> 1;
+        neghalf = bpno > 0 ? -poshalf : -1;
+        for (k = 0; k < t1->h; k += 4) {
+                for (i = 0; i < t1->w; ++i) {
+                        for (j = k; j < k + 4 && j < t1->h; ++j) {
+                                vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+                                opj_t1_dec_refpass_step_raw(
+                                                t1,
+                                                &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                                &t1->data[(j * t1->w) + i],
+                                                poshalf,
+                                                neghalf,
+                                                vsc);
+                        }
+                }
+        }
+}                               /* VSC and  BYPASS by Antonin */
+
+void opj_t1_dec_refpass_mqc(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno)
+{
+        OPJ_INT32 one, poshalf, neghalf;
+        OPJ_UINT32 i, j, k;
+        OPJ_INT32 *data1 = t1->data;
+        opj_flag_t *flags1 = &t1->flags[1];
+        one = 1 << bpno;
+        poshalf = one >> 1;
+        neghalf = bpno > 0 ? -poshalf : -1;
+        for (k = 0; k < (t1->h & ~3u); k += 4) {
+                for (i = 0; i < t1->w; ++i) {
+                        OPJ_INT32 *data2 = data1 + i;
+                        opj_flag_t *flags2 = flags1 + i;
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                        data2 += t1->w;
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                        data2 += t1->w;
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                        data2 += t1->w;
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                        data2 += t1->w;
+                }
+                data1 += t1->w << 2;
+                flags1 += t1->flags_stride << 2;
+        }
+        for (i = 0; i < t1->w; ++i) {
+                OPJ_INT32 *data2 = data1 + i;
+                opj_flag_t *flags2 = flags1 + i;
+                for (j = k; j < t1->h; ++j) {
+                        flags2 += t1->flags_stride;
+                        opj_t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                        data2 += t1->w;
+                }
+        }
+}                               /* VSC and  BYPASS by Antonin */
+
+void opj_t1_dec_refpass_mqc_vsc(
+                opj_t1_t *t1,
+                OPJ_INT32 bpno)
+{
+        OPJ_INT32 one, poshalf, neghalf;
+        OPJ_UINT32 i, j, k;
+        OPJ_INT32 vsc;
+        one = 1 << bpno;
+        poshalf = one >> 1;
+        neghalf = bpno > 0 ? -poshalf : -1;
+        for (k = 0; k < t1->h; k += 4) {
+                for (i = 0; i < t1->w; ++i) {
+                        for (j = k; j < k + 4 && j < t1->h; ++j) {
+                                vsc = ((j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+                                opj_t1_dec_refpass_step_mqc_vsc(
+                                                t1,
+                                                &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                                &t1->data[(j * t1->w) + i],
+                                                poshalf,
+                                                neghalf,
+                                                vsc);
+                        }
+                }
+        }
+}                               /* VSC and  BYPASS by Antonin */
+
+
+void opj_t1_enc_clnpass_step(
+		opj_t1_t *t1,
+		opj_flag_t *flagsp,
+		OPJ_INT32 *datap,
+		OPJ_UINT32 orient,
+		OPJ_INT32 bpno,
+		OPJ_INT32 one,
+		OPJ_INT32 *nmsedec,
+		OPJ_UINT32 partial,
+		OPJ_UINT32 vsc)
+{
+	OPJ_INT32 v;
+	OPJ_UINT32 flag;
+	
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	
+	flag = vsc ? (OPJ_UINT32)((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (OPJ_UINT32)(*flagsp);
+	if (partial) {
+		goto LABEL_PARTIAL;
+	}
+	if (!(*flagsp & (T1_SIG | T1_VISIT))) {
+		opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient));
+		v = opj_int_abs(*datap) & one ? 1 : 0;
+		opj_mqc_encode(mqc, (OPJ_UINT32)v);
+		if (v) {
+LABEL_PARTIAL:
+			*nmsedec += opj_t1_getnmsedec_sig((OPJ_UINT32)opj_int_abs(*datap), (OPJ_UINT32)(bpno + T1_NMSEDEC_FRACBITS));
+			opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));
+			v = *datap < 0 ? 1 : 0;
+			opj_mqc_encode(mqc, (OPJ_UINT32)(v ^ opj_t1_getspb((OPJ_UINT32)flag)));
+			opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
+		}
+	}
+	*flagsp &= ~T1_VISIT;
+}
+
+static void opj_t1_dec_clnpass_step_partial(
+		opj_t1_t *t1,
+		opj_flag_t *flagsp,
+		OPJ_INT32 *datap,
+		OPJ_INT32 orient,
+		OPJ_INT32 oneplushalf)
+{
+	OPJ_INT32 v, flag;
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	
+	OPJ_ARG_NOT_USED(orient);
+	
+	flag = *flagsp;
+	opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
+	v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
+	*datap = v ? -oneplushalf : oneplushalf;
+	opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
+	*flagsp &= ~T1_VISIT;
+}				/* VSC and  BYPASS by Antonin */
+
+static void opj_t1_dec_clnpass_step(
+		opj_t1_t *t1,
+		opj_flag_t *flagsp,
+		OPJ_INT32 *datap,
+		OPJ_INT32 orient,
+		OPJ_INT32 oneplushalf)
+{
+	OPJ_INT32 v, flag;
+	
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	
+	flag = *flagsp;
+	if (!(flag & (T1_SIG | T1_VISIT))) {
+		opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
+		if (opj_mqc_decode(mqc)) {
+			opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
+			v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
+			*datap = v ? -oneplushalf : oneplushalf;
+			opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
+		}
+	}
+	*flagsp &= ~T1_VISIT;
+}				/* VSC and  BYPASS by Antonin */
+
+static void opj_t1_dec_clnpass_step_vsc(
+		opj_t1_t *t1,
+		opj_flag_t *flagsp,
+		OPJ_INT32 *datap,
+		OPJ_INT32 orient,
+		OPJ_INT32 oneplushalf,
+		OPJ_INT32 partial,
+		OPJ_INT32 vsc)
+{
+	OPJ_INT32 v, flag;
+	
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	
+	flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+	if (partial) {
+		goto LABEL_PARTIAL;
+	}
+	if (!(flag & (T1_SIG | T1_VISIT))) {
+		opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc((OPJ_UINT32)flag, (OPJ_UINT32)orient));
+		if (opj_mqc_decode(mqc)) {
+LABEL_PARTIAL:
+			opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc((OPJ_UINT32)flag));
+			v = opj_mqc_decode(mqc) ^ opj_t1_getspb((OPJ_UINT32)flag);
+			*datap = v ? -oneplushalf : oneplushalf;
+			opj_t1_updateflags(flagsp, (OPJ_UINT32)v, t1->flags_stride);
+		}
+	}
+	*flagsp &= ~T1_VISIT;
+}
+
+void opj_t1_enc_clnpass(
+		opj_t1_t *t1,
+		OPJ_INT32 bpno,
+		OPJ_UINT32 orient,
+		OPJ_INT32 *nmsedec,
+		OPJ_UINT32 cblksty)
+{
+	OPJ_UINT32 i, j, k;
+	OPJ_INT32 one;
+	OPJ_UINT32 agg, runlen, vsc;
+	
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	
+	*nmsedec = 0;
+	one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+	for (k = 0; k < t1->h; k += 4) {
+		for (i = 0; i < t1->w; ++i) {
+			if (k + 3 < t1->h) {
+				if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+					agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| (MACRO_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 = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| MACRO_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 (opj_int_abs(t1->data[((k + runlen)*t1->data_stride) + i]) & one)
+						break;
+				}
+				opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
+				opj_mqc_encode(mqc, runlen != 4);
+				if (runlen == 4) {
+					continue;
+				}
+				opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
+				opj_mqc_encode(mqc, runlen >> 1);
+				opj_mqc_encode(mqc, runlen & 1);
+			} else {
+				runlen = 0;
+			}
+			for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
+				vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+				opj_t1_enc_clnpass_step(
+						t1,
+						&t1->flags[((j+1) * t1->flags_stride) + i + 1],
+						&t1->data[(j * t1->data_stride) + i],
+						orient,
+						bpno,
+						one,
+						nmsedec,
+						agg && (j == k + runlen),
+						vsc);
+			}
+		}
+	}
+}
+
+static void opj_t1_dec_clnpass(
+		opj_t1_t *t1,
+		OPJ_INT32 bpno,
+		OPJ_INT32 orient,
+		OPJ_INT32 cblksty)
+{
+	OPJ_INT32 one, half, oneplushalf, agg, runlen, vsc;
+    OPJ_UINT32 i, j, k;
+	OPJ_INT32 segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
+	
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	
+	one = 1 << bpno;
+	half = one >> 1;
+	oneplushalf = one | half;
+	if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+	for (k = 0; k < t1->h; k += 4) {
+		for (i = 0; i < t1->w; ++i) {
+			if (k + 3 < t1->h) {
+					agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+						|| (MACRO_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 = 0;
+			}
+			if (agg) {
+				opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
+				if (!opj_mqc_decode(mqc)) {
+					continue;
+				}
+				opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
+				runlen = opj_mqc_decode(mqc);
+				runlen = (runlen << 1) | opj_mqc_decode(mqc);
+			} else {
+				runlen = 0;
+			}
+			for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) {
+					vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
+					opj_t1_dec_clnpass_step_vsc(
+						t1,
+						&t1->flags[((j+1) * t1->flags_stride) + i + 1],
+						&t1->data[(j * t1->w) + i],
+						orient,
+						oneplushalf,
+						agg && (j == k + (OPJ_UINT32)runlen),
+						vsc);
+			}
+		}
+	}
+	} else {
+		OPJ_INT32 *data1 = t1->data;
+		opj_flag_t *flags1 = &t1->flags[1];
+		for (k = 0; k < (t1->h & ~3u); k += 4) {
+			for (i = 0; i < t1->w; ++i) {
+				OPJ_INT32 *data2 = data1 + i;
+				opj_flag_t *flags2 = flags1 + i;
+				agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+					|| MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+					|| MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+					|| MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+				if (agg) {
+					opj_mqc_setcurctx(mqc, T1_CTXNO_AGG);
+					if (!opj_mqc_decode(mqc)) {
+						continue;
+					}
+					opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
+					runlen = opj_mqc_decode(mqc);
+					runlen = (runlen << 1) | opj_mqc_decode(mqc);
+					flags2 += (OPJ_UINT32)runlen * t1->flags_stride;
+					data2 += (OPJ_UINT32)runlen * t1->w;
+					for (j = k + (OPJ_UINT32)runlen; j < k + 4 && j < t1->h; ++j) {
+						flags2 += t1->flags_stride;
+						if (agg && (j == k + (OPJ_UINT32)runlen)) {
+							opj_t1_dec_clnpass_step_partial(t1, flags2, data2, orient, oneplushalf);
+						} else {
+							opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+						}
+						data2 += t1->w;
+					}
+				} else {
+					flags2 += t1->flags_stride;
+					opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+					data2 += t1->w;
+					flags2 += t1->flags_stride;
+					opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+					data2 += t1->w;
+					flags2 += t1->flags_stride;
+					opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+					data2 += t1->w;
+					flags2 += t1->flags_stride;
+					opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+					data2 += t1->w;
+				}
+			}
+			data1 += t1->w << 2;
+			flags1 += t1->flags_stride << 2;
+		}
+		for (i = 0; i < t1->w; ++i) {
+			OPJ_INT32 *data2 = data1 + i;
+			opj_flag_t *flags2 = flags1 + i;
+			for (j = k; j < t1->h; ++j) {
+				flags2 += t1->flags_stride;
+				opj_t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+				data2 += t1->w;
+			}
+		}
+	}
+
+	if (segsym) {
+		OPJ_INT32 v = 0;
+		opj_mqc_setcurctx(mqc, T1_CTXNO_UNI);
+		v = opj_mqc_decode(mqc);
+		v = (v << 1) | opj_mqc_decode(mqc);
+		v = (v << 1) | opj_mqc_decode(mqc);
+		v = (v << 1) | opj_mqc_decode(mqc);
+		/*
+		if (v!=0xa) {
+			opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);
+		} 
+		*/
+	}
+}				/* VSC and  BYPASS by Antonin */
+
+
+/** mod fixed_quality */
+static OPJ_FLOAT64 opj_t1_getwmsedec(
+		OPJ_INT32 nmsedec,
+		OPJ_UINT32 compno,
+		OPJ_UINT32 level,
+		OPJ_UINT32 orient,
+		OPJ_INT32 bpno,
+		OPJ_UINT32 qmfbid,
+		OPJ_FLOAT64 stepsize,
+		OPJ_UINT32 numcomps,
+		const OPJ_FLOAT64 * mct_norms,
+		OPJ_UINT32 mct_numcomps)
+{
+	OPJ_FLOAT64 w1 = 1, w2, wmsedec;
+	OPJ_ARG_NOT_USED(numcomps);
+
+	if (mct_norms && (compno < mct_numcomps)) {
+		w1 = mct_norms[compno];
+	}
+
+	if (qmfbid == 1) {
+		w2 = opj_dwt_getnorm(level, orient);
+	} else {	/* if (qmfbid == 0) */
+		w2 = opj_dwt_getnorm_real(level, orient);
+	}
+
+	wmsedec = w1 * w2 * stepsize * (1 << bpno);
+	wmsedec *= wmsedec * nmsedec / 8192.0;
+
+	return wmsedec;
+}
+
+OPJ_BOOL opj_t1_allocate_buffers(
+		opj_t1_t *t1,
+		OPJ_UINT32 w,
+		OPJ_UINT32 h)
+{
+	OPJ_UINT32 datasize=w * h;
+	OPJ_UINT32 flagssize;
+
+	/* encoder uses tile buffer, so no need to allocate */
+	if (!t1->encoder) {
+		if(datasize > t1->datasize){
+			opj_aligned_free(t1->data);
+			t1->data = (OPJ_INT32*) opj_aligned_malloc(datasize * sizeof(OPJ_INT32));
+			if(!t1->data){
+				/* FIXME event manager error callback */
+				return OPJ_FALSE;
+			}
+			t1->datasize=datasize;
+		}
+		memset(t1->data,0,datasize * sizeof(OPJ_INT32));
+	}
+	t1->flags_stride=w+2;
+	flagssize=t1->flags_stride * (h+2);
+
+	if(flagssize > t1->flagssize){
+		opj_aligned_free(t1->flags);
+		t1->flags = (opj_flag_t*) opj_aligned_malloc(flagssize * sizeof(opj_flag_t));
+		if(!t1->flags){
+			/* FIXME event manager error callback */
+			return OPJ_FALSE;
+		}
+		t1->flagssize=flagssize;
+	}
+	memset(t1->flags,0,flagssize * sizeof(opj_flag_t));
+
+	t1->w=w;
+	t1->h=h;
+
+	return OPJ_TRUE;
+}
+
+/* ----------------------------------------------------------------------- */
+
+/* ----------------------------------------------------------------------- */
+/**
+ * Creates a new Tier 1 handle
+ * and initializes the look-up tables of the Tier-1 coder/decoder
+ * @return a new T1 handle if successful, returns NULL otherwise
+*/
+opj_t1_t* opj_t1_create(OPJ_BOOL isEncoder)
+{
+	opj_t1_t *l_t1 = 00;
+
+	l_t1 = (opj_t1_t*) opj_calloc(1,sizeof(opj_t1_t));
+	if (!l_t1) {
+		return 00;
+	}
+
+	/* create MQC and RAW handles */
+	l_t1->mqc = opj_mqc_create();
+	if (! l_t1->mqc) {
+		opj_t1_destroy(l_t1);
+		return 00;
+	}
+
+	l_t1->raw = opj_raw_create();
+	if (! l_t1->raw) {
+		opj_t1_destroy(l_t1);
+		return 00;
+	}
+	l_t1->encoder = isEncoder;
+
+	return l_t1;
+}
+
+
+/**
+ * Destroys a previously created T1 handle
+ *
+ * @param p_t1 Tier 1 handle to destroy
+*/
+void opj_t1_destroy(opj_t1_t *p_t1)
+{
+	if (! p_t1) {
+		return;
+	}
+
+	/* destroy MQC and RAW handles */
+	opj_mqc_destroy(p_t1->mqc);
+	p_t1->mqc = 00;
+	opj_raw_destroy(p_t1->raw);
+	p_t1->raw = 00;
+	
+	/* encoder uses tile buffer, so no need to free */
+	if (!p_t1->encoder && p_t1->data) {
+		opj_aligned_free(p_t1->data);
+		p_t1->data = 00;
+	}
+
+	if (p_t1->flags) {
+		opj_aligned_free(p_t1->flags);
+		p_t1->flags = 00;
+	}
+
+	opj_free(p_t1);
+}
+
+OPJ_BOOL opj_t1_decode_cblks(   opj_t1_t* t1,
+                            opj_tcd_tilecomp_t* tilec,
+                            opj_tccp_t* tccp
+                            )
+{
+	OPJ_UINT32 resno, bandno, precno, cblkno;
+	OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
+
+	for (resno = 0; resno < tilec->minimum_num_resolutions; ++resno) {
+		opj_tcd_resolution_t* res = &tilec->resolutions[resno];
+
+		for (bandno = 0; bandno < res->numbands; ++bandno) {
+			opj_tcd_band_t* restrict band = &res->bands[bandno];
+
+			for (precno = 0; precno < res->pw * res->ph; ++precno) {
+				opj_tcd_precinct_t* precinct = &band->precincts[precno];
+
+				for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
+					opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno];
+					OPJ_INT32* restrict datap;
+					/*void* restrict tiledp;*/
+					OPJ_UINT32 cblk_w, cblk_h;
+					OPJ_INT32 x, y;
+					OPJ_UINT32 i, j;
+
+                    if (OPJ_FALSE == opj_t1_decode_cblk(
+                                            t1,
+                                            cblk,
+                                            band->bandno,
+                                            (OPJ_UINT32)tccp->roishift,
+                                            tccp->cblksty)) {
+                            return OPJ_FALSE;
+                    }
+
+					x = cblk->x0 - band->x0;
+					y = cblk->y0 - band->y0;
+					if (band->bandno & 1) {
+						opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
+						x += pres->x1 - pres->x0;
+					}
+					if (band->bandno & 2) {
+						opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
+						y += pres->y1 - pres->y0;
+					}
+
+					datap=t1->data;
+					cblk_w = t1->w;
+					cblk_h = t1->h;
+
+					if (tccp->roishift) {
+						OPJ_INT32 thresh = 1 << tccp->roishift;
+						for (j = 0; j < cblk_h; ++j) {
+							for (i = 0; i < cblk_w; ++i) {
+								OPJ_INT32 val = datap[(j * cblk_w) + i];
+								OPJ_INT32 mag = abs(val);
+								if (mag >= thresh) {
+									mag >>= tccp->roishift;
+									datap[(j * cblk_w) + i] = val < 0 ? -mag : mag;
+								}
+							}
+						}
+					}
+
+					/*tiledp=(void*)&tilec->data[(y * tile_w) + x];*/
+					if (tccp->qmfbid == 1) {
+                        OPJ_INT32* restrict tiledp = &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
+						for (j = 0; j < cblk_h; ++j) {
+							for (i = 0; i < cblk_w; ++i) {
+								OPJ_INT32 tmp = datap[(j * cblk_w) + i];
+								((OPJ_INT32*)tiledp)[(j * tile_w) + i] = tmp / 2;
+							}
+						}
+					} else {		/* if (tccp->qmfbid == 0) */
+                        OPJ_FLOAT32* restrict tiledp = (OPJ_FLOAT32*) &tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
+						for (j = 0; j < cblk_h; ++j) {
+                            OPJ_FLOAT32* restrict tiledp2 = tiledp;
+							for (i = 0; i < cblk_w; ++i) {
+                                OPJ_FLOAT32 tmp = (OPJ_FLOAT32)*datap * band->stepsize;
+                                *tiledp2 = tmp;
+                                datap++;
+                                tiledp2++;
+								/*float tmp = datap[(j * cblk_w) + i] * band->stepsize;
+								((float*)tiledp)[(j * tile_w) + i] = tmp;*/
+
+							}
+                            tiledp += tile_w;
+						}
+					}
+                    /*opj_free(cblk->data);
+					opj_free(cblk->segs);*/
+					/*cblk->segs = 00;*/
+				} /* cblkno */
+                /*opj_free(precinct->cblks.dec);*/
+			} /* precno */
+		} /* bandno */
+	} /* resno */
+        return OPJ_TRUE;
+}
+
+
+OPJ_BOOL opj_t1_decode_cblk(opj_t1_t *t1,
+                            opj_tcd_cblk_dec_t* cblk,
+                            OPJ_UINT32 orient,
+                            OPJ_UINT32 roishift,
+                            OPJ_UINT32 cblksty)
+{
+	opj_raw_t *raw = t1->raw;	/* RAW component */
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+
+	OPJ_INT32 bpno;
+	OPJ_UINT32 passtype;
+	OPJ_UINT32 segno, passno;
+	OPJ_BYTE type = T1_TYPE_MQ; /* BYPASS mode */
+
+	if(!opj_t1_allocate_buffers(
+				t1,
+				(OPJ_UINT32)(cblk->x1 - cblk->x0),
+				(OPJ_UINT32)(cblk->y1 - cblk->y0)))
+	{
+		return OPJ_FALSE;
+	}
+
+	bpno = (OPJ_INT32)(roishift + cblk->numbps - 1);
+	passtype = 2;
+
+	opj_mqc_resetstates(mqc);
+	opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+	opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+	opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+
+	for (segno = 0; segno < cblk->real_num_segs; ++segno) {
+		opj_tcd_seg_t *seg = &cblk->segs[segno];
+
+		/* BYPASS mode */
+		type = ((bpno <= ((OPJ_INT32) (cblk->numbps) - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+		/* FIXME: slviewer gets here with a null pointer. Why? Partially downloaded and/or corrupt textures? */
+		if(seg->data == 00){
+			continue;
+		}
+		if (type == T1_TYPE_RAW) {
+			opj_raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len);
+		} else {
+            if (OPJ_FALSE == opj_mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len)) {
+                    return OPJ_FALSE;
+            }
+		}
+
+		for (passno = 0; passno < seg->real_num_passes; ++passno) {
+            switch (passtype) {
+                case 0:
+                    if (type == T1_TYPE_RAW) {
+                        opj_t1_dec_sigpass_raw(t1, bpno+1, (OPJ_INT32)orient, (OPJ_INT32)cblksty);
+                    } else {
+                        if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+                            opj_t1_dec_sigpass_mqc_vsc(t1, bpno+1, (OPJ_INT32)orient);
+                        } else {
+                            opj_t1_dec_sigpass_mqc(t1, bpno+1, (OPJ_INT32)orient);
+                        }
+                    }
+                    break;
+                case 1:
+                    if (type == T1_TYPE_RAW) {
+                            opj_t1_dec_refpass_raw(t1, bpno+1, (OPJ_INT32)cblksty);
+                    } else {
+                        if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+                            opj_t1_dec_refpass_mqc_vsc(t1, bpno+1);
+                        } else {
+                            opj_t1_dec_refpass_mqc(t1, bpno+1);
+                        }
+                    }
+                    break;
+                case 2:
+                    opj_t1_dec_clnpass(t1, bpno+1, (OPJ_INT32)orient, (OPJ_INT32)cblksty);
+                    break;
+            }
+
+			if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
+				opj_mqc_resetstates(mqc);
+				opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+				opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+				opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+			}
+			if (++passtype == 3) {
+				passtype = 0;
+				bpno--;
+			}
+		}
+	}
+        return OPJ_TRUE;
+}
+
+
+
+
+OPJ_BOOL opj_t1_encode_cblks(   opj_t1_t *t1,
+                                opj_tcd_tile_t *tile,
+                                opj_tcp_t *tcp,
+                                const OPJ_FLOAT64 * mct_norms,
+                                OPJ_UINT32 mct_numcomps
+                                )
+{
+	OPJ_UINT32 compno, resno, bandno, precno, cblkno;
+
+	tile->distotile = 0;		/* fixed_quality */
+
+	for (compno = 0; compno < tile->numcomps; ++compno) {
+		opj_tcd_tilecomp_t* tilec = &tile->comps[compno];
+		opj_tccp_t* tccp = &tcp->tccps[compno];
+		OPJ_UINT32 tile_w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
+
+		for (resno = 0; resno < tilec->numresolutions; ++resno) {
+			opj_tcd_resolution_t *res = &tilec->resolutions[resno];
+
+			for (bandno = 0; bandno < res->numbands; ++bandno) {
+				opj_tcd_band_t* restrict band = &res->bands[bandno];
+                OPJ_INT32 bandconst = 8192 * 8192 / ((OPJ_INT32) floor(band->stepsize * 8192));
+
+				for (precno = 0; precno < res->pw * res->ph; ++precno) {
+					opj_tcd_precinct_t *prc = &band->precincts[precno];
+
+					for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
+						opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno];
+						OPJ_INT32* restrict tiledp;
+						OPJ_UINT32 cblk_w;
+						OPJ_UINT32 cblk_h;
+						OPJ_UINT32 i, j, tileIndex=0, tileLineAdvance;
+
+						OPJ_INT32 x = cblk->x0 - band->x0;
+						OPJ_INT32 y = cblk->y0 - band->y0;
+						if (band->bandno & 1) {
+							opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+							x += pres->x1 - pres->x0;
+						}
+						if (band->bandno & 2) {
+							opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+							y += pres->y1 - pres->y0;
+						}
+
+						if(!opj_t1_allocate_buffers(
+									t1,
+									(OPJ_UINT32)(cblk->x1 - cblk->x0),
+									(OPJ_UINT32)(cblk->y1 - cblk->y0)))
+						{
+							return OPJ_FALSE;
+						}
+
+						cblk_w = t1->w;
+						cblk_h = t1->h;
+						tileLineAdvance = tile_w - cblk_w;
+
+						tiledp=&tilec->data[(OPJ_UINT32)y * tile_w + (OPJ_UINT32)x];
+						t1->data = tiledp;
+						t1->data_stride = tile_w;
+						if (tccp->qmfbid == 1) {
+							for (j = 0; j < cblk_h; ++j) {
+								for (i = 0; i < cblk_w; ++i) {
+									tiledp[tileIndex] <<= T1_NMSEDEC_FRACBITS;
+									tileIndex++;
+								}
+								tileIndex += tileLineAdvance;
+							}
+						} else {		/* if (tccp->qmfbid == 0) */
+							for (j = 0; j < cblk_h; ++j) {
+								for (i = 0; i < cblk_w; ++i) {
+									OPJ_INT32 tmp = tiledp[tileIndex];
+									tiledp[tileIndex] =
+										opj_int_fix_mul_t1(
+										tmp,
+										bandconst);
+									tileIndex++;
+								}
+								tileIndex += tileLineAdvance;
+							}
+						}
+
+						opj_t1_encode_cblk(
+								t1,
+								cblk,
+								band->bandno,
+								compno,
+								tilec->numresolutions - 1 - resno,
+								tccp->qmfbid,
+								band->stepsize,
+								tccp->cblksty,
+								tile->numcomps,
+								tile,
+								mct_norms,
+								mct_numcomps);
+
+					} /* cblkno */
+				} /* precno */
+			} /* bandno */
+		} /* resno  */
+	} /* compno  */
+	return OPJ_TRUE;
+}
+
+/** mod fixed_quality */
+void opj_t1_encode_cblk(opj_t1_t *t1,
+                        opj_tcd_cblk_enc_t* cblk,
+                        OPJ_UINT32 orient,
+                        OPJ_UINT32 compno,
+                        OPJ_UINT32 level,
+                        OPJ_UINT32 qmfbid,
+                        OPJ_FLOAT64 stepsize,
+                        OPJ_UINT32 cblksty,
+                        OPJ_UINT32 numcomps,
+                        opj_tcd_tile_t * tile,
+                        const OPJ_FLOAT64 * mct_norms,
+                        OPJ_UINT32 mct_numcomps)
+{
+	OPJ_FLOAT64 cumwmsedec = 0.0;
+
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+
+	OPJ_UINT32 passno;
+	OPJ_INT32 bpno;
+	OPJ_UINT32 passtype;
+	OPJ_INT32 nmsedec = 0;
+	OPJ_INT32 max;
+	OPJ_UINT32 i, j;
+	OPJ_BYTE type = T1_TYPE_MQ;
+	OPJ_FLOAT64 tempwmsedec;
+
+	max = 0;
+	for (i = 0; i < t1->w; ++i) {
+		for (j = 0; j < t1->h; ++j) {
+			OPJ_INT32 tmp = abs(t1->data[i + j*t1->data_stride]);
+			max = opj_int_max(max, tmp);
+		}
+	}
+
+	cblk->numbps = max ? (OPJ_UINT32)((opj_int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS) : 0;
+
+	bpno = (OPJ_INT32)(cblk->numbps - 1);
+	passtype = 2;
+
+	opj_mqc_resetstates(mqc);
+	opj_mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+	opj_mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+	opj_mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+	opj_mqc_init_enc(mqc, cblk->data);
+
+	for (passno = 0; bpno >= 0; ++passno) {
+		opj_tcd_pass_t *pass = &cblk->passes[passno];
+		OPJ_UINT32 correction = 3;
+		type = ((bpno < ((OPJ_INT32) (cblk->numbps) - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+
+		switch (passtype) {
+			case 0:
+				opj_t1_enc_sigpass(t1, bpno, orient, &nmsedec, type, cblksty);
+				break;
+			case 1:
+				opj_t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty);
+				break;
+			case 2:
+				opj_t1_enc_clnpass(t1, bpno, orient, &nmsedec, cblksty);
+				/* code switch SEGMARK (i.e. SEGSYM) */
+				if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
+					opj_mqc_segmark_enc(mqc);
+				break;
+		}
+
+		/* fixed_quality */
+		tempwmsedec = opj_t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps,mct_norms, mct_numcomps) ;
+		cumwmsedec += tempwmsedec;
+		tile->distotile += tempwmsedec;
+
+		/* Code switch "RESTART" (i.e. TERMALL) */
+		if ((cblksty & J2K_CCP_CBLKSTY_TERMALL)	&& !((passtype == 2) && (bpno - 1 < 0))) {
+			if (type == T1_TYPE_RAW) {
+				opj_mqc_flush(mqc);
+				correction = 1;
+				/* correction = mqc_bypass_flush_enc(); */
+			} else {			/* correction = mqc_restart_enc(); */
+				opj_mqc_flush(mqc);
+				correction = 1;
+			}
+			pass->term = 1;
+		} else {
+			if (((bpno < ((OPJ_INT32) (cblk->numbps) - 4) && (passtype > 0))
+				|| ((bpno == ((OPJ_INT32)cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {
+				if (type == T1_TYPE_RAW) {
+					opj_mqc_flush(mqc);
+					correction = 1;
+					/* correction = mqc_bypass_flush_enc(); */
+				} else {		/* correction = mqc_restart_enc(); */
+					opj_mqc_flush(mqc);
+					correction = 1;
+				}
+				pass->term = 1;
+			} else {
+				pass->term = 0;
+			}
+		}
+
+		if (++passtype == 3) {
+			passtype = 0;
+			bpno--;
+		}
+
+		if (pass->term && bpno > 0) {
+			type = ((bpno < ((OPJ_INT32) (cblk->numbps) - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+			if (type == T1_TYPE_RAW)
+				opj_mqc_bypass_init_enc(mqc);
+			else
+				opj_mqc_restart_init_enc(mqc);
+		}
+
+		pass->distortiondec = cumwmsedec;
+		pass->rate = opj_mqc_numbytes(mqc) + correction;	/* FIXME */
+
+		/* Code-switch "RESET" */
+		if (cblksty & J2K_CCP_CBLKSTY_RESET)
+			opj_mqc_reset_enc(mqc);
+	}
+
+	/* Code switch "ERTERM" (i.e. PTERM) */
+	if (cblksty & J2K_CCP_CBLKSTY_PTERM)
+		opj_mqc_erterm_enc(mqc);
+	else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
+		opj_mqc_flush(mqc);
+
+	cblk->totalpasses = passno;
+
+	for (passno = 0; passno<cblk->totalpasses; passno++) {
+		opj_tcd_pass_t *pass = &cblk->passes[passno];
+		if (pass->rate > opj_mqc_numbytes(mqc))
+			pass->rate = opj_mqc_numbytes(mqc);
+		/*Preventing generation of FF as last data byte of a pass*/
+		if((pass->rate>1) && (cblk->data[pass->rate - 1] == 0xFF)){
+			pass->rate--;
+		}
+		pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
+	}
+}
+
+#if 0
+void opj_t1_dec_refpass_step(   opj_t1_t *t1,
+                                opj_flag_t *flagsp,
+                                OPJ_INT32 *datap,
+                                OPJ_INT32 poshalf,
+                                OPJ_INT32 neghalf,
+                                OPJ_BYTE type,
+                                OPJ_UINT32 vsc)
+{
+	OPJ_INT32  t;
+	OPJ_UINT32 v,flag;
+
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+	opj_raw_t *raw = t1->raw;	/* RAW component */
+
+	flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+	if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+		opj_mqc_setcurctx(mqc, opj_t1_getctxno_mag(flag));	/* ESSAI */
+		if (type == T1_TYPE_RAW) {
+			v = opj_raw_decode(raw);
+		} else {
+			v = opj_mqc_decode(mqc);
+		}
+		t = v ? poshalf : neghalf;
+		*datap += *datap < 0 ? -t : t;
+		*flagsp |= T1_REFINE;
+	}
+}				/* VSC and  BYPASS by Antonin  */
+#endif
+
+
+
+#if 0
+void opj_t1_dec_sigpass_step(   opj_t1_t *t1,
+                                opj_flag_t *flagsp,
+                                OPJ_INT32 *datap,
+                                OPJ_UINT32 orient,
+                                OPJ_INT32 oneplushalf,
+                                OPJ_BYTE type,
+                                OPJ_UINT32 vsc)
+{
+	OPJ_UINT32 v, flag;
+
+	opj_raw_t *raw = t1->raw;	/* RAW component */
+	opj_mqc_t *mqc = t1->mqc;	/* MQC component */
+
+	flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+	if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+		if (type == T1_TYPE_RAW) {
+			if (opj_raw_decode(raw)) {
+				v = opj_raw_decode(raw);	/* ESSAI */
+				*datap = v ? -oneplushalf : oneplushalf;
+				opj_t1_updateflags(flagsp, v, t1->flags_stride);
+			}
+		} else {
+			opj_mqc_setcurctx(mqc, opj_t1_getctxno_zc(flag, orient));
+			if (opj_mqc_decode(mqc)) {
+				opj_mqc_setcurctx(mqc, opj_t1_getctxno_sc(flag));
+				v = opj_mqc_decode(mqc) ^ opj_t1_getspb(flag);
+				*datap = v ? -oneplushalf : oneplushalf;
+				opj_t1_updateflags(flagsp, v, t1->flags_stride);
+			}
+		}
+		*flagsp |= T1_VISIT;
+	}
+}				/* VSC and  BYPASS by Antonin */
+#endif