WIP: update t1, t2, tcd to use same strut as in V2
[openjpeg.git] / libopenjpeg / t1.c
index 9aa024e2f611382b731f7449c316fdae4701d232..2fb19776a88003b64be5f18f665e47c782277873 100644 (file)
@@ -1,7 +1,11 @@
 /*
- * Copyright (c) 2001-2002, David Janssens
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2001-2003, David Janssens
  * Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2002-2003,  Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and 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
  * 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)];
+#include "opj_includes.h"
+#include "t1_luts.h"
+
+/** @defgroup T1 T1 - Implementation of the tier-1 coding */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+static INLINE char t1_getctxno_zc(int f, int orient);
+static char t1_getctxno_sc(int f);
+static INLINE int t1_getctxno_mag(int f);
+static char t1_getspb(int f);
+static short t1_getnmsedec_sig(int x, int bitpos);
+static short t1_getnmsedec_ref(int x, int bitpos);
+static void t1_updateflags(flag_t *flagsp, int s, int stride);
+/**
+Encode significant pass
+*/
+static void t1_enc_sigpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int bpno,
+               int one,
+               int *nmsedec,
+               char type,
+               int vsc);
+
+/**
+Decode significant pass
+*/
+static void t1_dec_sigpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               OPJ_INT32 *datap,
+               OPJ_UINT32 orient,
+               OPJ_INT32 oneplushalf,
+               OPJ_BYTE type,
+               OPJ_UINT32 vsc);
+/**
+Decode significant pass
+*/
+static INLINE void t1_dec_sigpass_step_raw(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf,
+               int vsc);
+static INLINE void t1_dec_sigpass_step_mqc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf);
+static INLINE void t1_dec_sigpass_step_mqc_vsc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf,
+               int vsc);
+/**
+Encode significant pass
+*/
+static void t1_enc_sigpass(
+               opj_t1_t *t1,
+               int bpno,
+               int orient,
+               int *nmsedec,
+               char type,
+               int cblksty);
+
+/**
+Decode significant pass
+*/
+static void t1_dec_sigpass(
+               opj_t1_t *t1,
+               OPJ_INT32 bpno,
+               OPJ_UINT32 orient,
+               OPJ_BYTE type,
+               OPJ_UINT32 cblksty);
+
+/**
+Decode significant pass
+*/
+static void t1_dec_sigpass_raw(
+               opj_t1_t *t1,
+               int bpno,
+               int orient,
+               int cblksty);
+static void t1_dec_sigpass_mqc(
+               opj_t1_t *t1,
+               int bpno,
+               int orient);
+static void t1_dec_sigpass_mqc_vsc(
+               opj_t1_t *t1,
+               int bpno,
+               int orient);
+/**
+Encode refinement pass
+*/
+static void t1_enc_refpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int bpno,
+               int one,
+               int *nmsedec,
+               char type,
+               int vsc);
+/**
+Decode refinement pass
+*/
+static void INLINE t1_dec_refpass_step_raw(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int poshalf,
+               int neghalf,
+               int vsc);
+static void INLINE t1_dec_refpass_step_mqc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int poshalf,
+               int neghalf);
+static void INLINE t1_dec_refpass_step_mqc_vsc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int poshalf,
+               int neghalf,
+               int vsc);
+
+/**
+Encode refinement pass
+*/
+static void t1_enc_refpass(
+               opj_t1_t *t1,
+               int bpno,
+               int *nmsedec,
+               char type,
+               int cblksty);
+
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass(
+               opj_t1_t *t1,
+               OPJ_INT32 bpno,
+               OPJ_BYTE type,
+               OPJ_UINT32 cblksty);
+
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               OPJ_INT32 *datap,
+               OPJ_INT32 poshalf,
+               OPJ_INT32 neghalf,
+               OPJ_BYTE type,
+               OPJ_UINT32 vsc);
+
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass_raw(
+               opj_t1_t *t1,
+               int bpno,
+               int cblksty);
+static void t1_dec_refpass_mqc(
+               opj_t1_t *t1,
+               int bpno);
+static void t1_dec_refpass_mqc_vsc(
+               opj_t1_t *t1,
+               int bpno);
+/**
+Encode clean-up pass
+*/
+static void t1_enc_clnpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int bpno,
+               int one,
+               int *nmsedec,
+               int partial,
+               int vsc);
+/**
+Decode clean-up pass
+*/
+static void t1_dec_clnpass_step_partial(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf);
+static void t1_dec_clnpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf);
+static void t1_dec_clnpass_step_vsc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf,
+               int partial,
+               int vsc);
+/**
+Encode clean-up pass
+*/
+static void t1_enc_clnpass(
+               opj_t1_t *t1,
+               int bpno,
+               int orient,
+               int *nmsedec,
+               int cblksty);
+/**
+Decode clean-up pass
+*/
+static void t1_dec_clnpass(
+               opj_t1_t *t1,
+               int bpno,
+               int orient,
+               int cblksty);
+static double t1_getwmsedec(
+               int nmsedec,
+               int compno,
+               int level,
+               int orient,
+               int bpno,
+               int qmfbid,
+               double stepsize,
+               int numcomps,
+               int mct);
+/**
+Encode 1 code-block
+@param t1 T1 handle
+@param cblk Code-block coding parameters
+@param orient
+@param compno Component number
+@param level
+@param qmfbid
+@param stepsize
+@param cblksty Code-block style
+@param numcomps
+@param mct
+@param tile
+*/
+static void t1_encode_cblk(
+               opj_t1_t *t1,
+               opj_tcd_cblk_enc_t* cblk,
+               int orient,
+               int compno,
+               int level,
+               int qmfbid,
+               double stepsize,
+               int cblksty,
+               int numcomps,
+               int mct,
+               opj_tcd_tile_t * tile);
+/**
+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 void t1_decode_cblk(
+               opj_t1_t *t1,
+               opj_tcd_cblk_dec_t* cblk,
+               int orient,
+               int roishift,
+               int cblksty);
+
+/*@}*/
+
+/*@}*/
+
+/* ----------------------------------------------------------------------- */
+
+static char t1_getctxno_zc(int f, int orient) {
+       return 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];
+static char t1_getctxno_sc(int f) {
+       return 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)];
+static int t1_getctxno_mag(int f) {
+       int tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
+       int tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1;
+       return (tmp2);
 }
 
-int t1_getspb(int f)
-{
-       return t1_lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+static char t1_getspb(int f) {
+       return 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)];
+static short t1_getnmsedec_sig(int x, int 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)];
 }
 
-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)];
+static short t1_getnmsedec_ref(int x, int 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 t1_updateflags(int *fp, int s)
-{
-       int *np = fp - (T1_MAXCBLKW + 2);
-       int *sp = fp + (T1_MAXCBLKW + 2);
+static void t1_updateflags(flag_t *flagsp, int s, int stride) {
+       flag_t *np = flagsp - stride;
+       flag_t *sp = flagsp + stride;
+
+       static const 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[1] |= T1_SIG_SW;
+       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[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;
-       }
+       sp[0]  |= mod[s+6];
+       sp[1]  |= T1_SIG_NW;
 }
 
-void t1_enc_sigpass_step(int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc)
+static void t1_enc_sigpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               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);
+       
+       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))) {
-               v = int_abs(*dp) & one ? 1 : 0;
+               v = int_abs(*datap) & one ? 1 : 0;
+               mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));       /* ESSAI */
                if (type == T1_TYPE_RAW) {      /* BYPASS/LAZY MODE */
-                       mqc_setcurctx(t1_getctxno_zc(flag, orient));    /* ESSAI */
-                       mqc_bypass_enc(v);
+                       mqc_bypass_enc(mqc, v);
                } else {
-                       mqc_setcurctx(t1_getctxno_zc(flag, orient));
-                       mqc_encode(v);
+                       mqc_encode(mqc, v);
                }
                if (v) {
-                       v = *dp < 0 ? 1 : 0;
-                       *nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+                       v = *datap < 0 ? 1 : 0;
+                       *nmsedec +=     t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
+                       mqc_setcurctx(mqc, t1_getctxno_sc(flag));       /* ESSAI */
                        if (type == T1_TYPE_RAW) {      /* BYPASS/LAZY MODE */
-                               mqc_setcurctx(t1_getctxno_sc(flag));    /* ESSAI */
-                               mqc_bypass_enc(v);
+                               mqc_bypass_enc(mqc, v);
                        } else {
-                               mqc_setcurctx(t1_getctxno_sc(flag));
-                               mqc_encode(v ^ t1_getspb(flag));
+                               mqc_encode(mqc, v ^ t1_getspb(flag));
                        }
-                       t1_updateflags(fp, v);
-                       *fp |= T1_SIG;
+                       t1_updateflags(flagsp, v, t1->flags_stride);
                }
-               *fp |= T1_VISIT;
+               *flagsp |= T1_VISIT;
        }
 }
 
-void t1_dec_sigpass_step(int *fp, int *dp, int orient, int oneplushalf, char type, int vsc)
+static INLINE void t1_dec_sigpass_step_raw(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf,
+               int vsc)
 {
        int v, flag;
-       flag =
-               vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S)))
-               : (*fp);
+       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 (type == T1_TYPE_RAW) {
-                       if (raw_decode()) {
-                               v = raw_decode();                               /* ESSAI */
-                               *dp = v ? -oneplushalf : oneplushalf;
-                               t1_updateflags(fp, v);
-                               *fp |= T1_SIG;
+                       if (raw_decode(raw)) {
+                               v = raw_decode(raw);    /* ESSAI */
+                               *datap = v ? -oneplushalf : oneplushalf;
+                               t1_updateflags(flagsp, v, t1->flags_stride);
                        }
-               } 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;
+               *flagsp |= T1_VISIT;
+       }
+}                              /* VSC and  BYPASS by Antonin */
+
+static INLINE void t1_dec_sigpass_step_mqc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf)
+{
+       int v, flag;
+       
+       opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
+       flag = *flagsp;
+       if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+                       mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+                       if (mqc_decode(mqc)) {
+                               mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+                               v = mqc_decode(mqc) ^ t1_getspb(flag);
+                               *datap = v ? -oneplushalf : oneplushalf;
+                               t1_updateflags(flagsp, v, t1->flags_stride);
                        }
+               *flagsp |= T1_VISIT;
+       }
+}                              /* VSC and  BYPASS by Antonin */
+
+static INLINE void t1_dec_sigpass_step_mqc_vsc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf,
+               int vsc)
+{
+       int 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))) {
+               mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+               if (mqc_decode(mqc)) {
+                       mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+                       v = mqc_decode(mqc) ^ t1_getspb(flag);
+                       *datap = v ? -oneplushalf : oneplushalf;
+                       t1_updateflags(flagsp, v, t1->flags_stride);
                }
-               *fp |= T1_VISIT;
+               *flagsp |= T1_VISIT;
        }
-}              /* VSC and  BYPASS by Antonin */
+}                              /* VSC and  BYPASS by Antonin */
 
-void t1_enc_sigpass(int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty)
+static void t1_enc_sigpass(
+               opj_t1_t *t1,
+               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);
+       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;
+                               t1_enc_sigpass_step(
+                                               t1,
+                                               &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                               &t1->data[(j * t1->w) + i],
+                                               orient,
+                                               bpno,
+                                               one,
+                                               nmsedec,
+                                               type,
+                                               vsc);
                        }
                }
        }
 }
 
-void t1_dec_sigpass(int w, int h, int bpno, int orient, char type, int cblksty)
+static void t1_dec_sigpass_raw(
+               opj_t1_t *t1,
+               int bpno,
+               int orient,
+               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);
-           }
-         }
+       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;
+                               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 */
+
+static void t1_dec_sigpass_mqc(
+               opj_t1_t *t1,
+               int bpno,
+               int orient)
+{
+       int i, j, k, one, half, oneplushalf;
+       int *data1 = t1->data;
+       flag_t *flags1 = &t1->flags[1];
+       one = 1 << bpno;
+       half = one >> 1;
+       oneplushalf = one | half;
+       for (k = 0; k < (t1->h & ~3); k += 4) {
+               for (i = 0; i < t1->w; ++i) {
+                       int *data2 = data1 + i;
+                       flag_t *flags2 = flags1 + i;
+                       flags2 += t1->flags_stride;
+                       t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                       data2 += t1->w;
+                       flags2 += t1->flags_stride;
+                       t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                       data2 += t1->w;
+                       flags2 += t1->flags_stride;
+                       t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                       data2 += t1->w;
+                       flags2 += t1->flags_stride;
+                       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) {
+               int *data2 = data1 + i;
+               flag_t *flags2 = flags1 + i;
+               for (j = k; j < t1->h; ++j) {
+                       flags2 += t1->flags_stride;
+                       t1_dec_sigpass_step_mqc(t1, flags2, data2, orient, oneplushalf);
+                       data2 += t1->w;
+               }
+       }
+}                              /* VSC and  BYPASS by Antonin */
+
+static void t1_dec_sigpass_mqc_vsc(
+               opj_t1_t *t1,
+               int bpno,
+               int orient)
+{
+       int i, j, k, one, half, oneplushalf, vsc;
+       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;
+                               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 */
+}                              /* VSC and  BYPASS by Antonin */
 
-void t1_enc_refpass_step(int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc)
+static void t1_enc_refpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               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);
+       
+       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) {
-               *nmsedec += t1_getnmsedec_ref(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
-               v = int_abs(*dp) & one ? 1 : 0;
+               *nmsedec += t1_getnmsedec_ref(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
+               v = int_abs(*datap) & one ? 1 : 0;
+               mqc_setcurctx(mqc, t1_getctxno_mag(flag));      /* ESSAI */
                if (type == T1_TYPE_RAW) {      /* BYPASS/LAZY MODE */
-                       mqc_setcurctx(t1_getctxno_mag(flag));   /* ESSAI */
-                       mqc_bypass_enc(v);
+                       mqc_bypass_enc(mqc, v);
                } else {
-                       mqc_setcurctx(t1_getctxno_mag(flag));
-                       mqc_encode(v);
+                       mqc_encode(mqc, v);
                }
-               *fp |= T1_REFINE;
+               *flagsp |= T1_REFINE;
        }
 }
 
-void t1_dec_refpass_step(int *fp, int *dp, int poshalf, int neghalf, char type, int vsc)
+static INLINE void t1_dec_refpass_step_raw(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int poshalf,
+               int neghalf,
+               int vsc)
 {
        int v, t, flag;
-       flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+       
+       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) {
-               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();
+                       v = raw_decode(raw);
+               t = v ? poshalf : neghalf;
+               *datap += *datap < 0 ? -t : t;
+               *flagsp |= T1_REFINE;
+       }
+}                              /* VSC and  BYPASS by Antonin  */
+
+static INLINE void t1_dec_refpass_step_mqc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int poshalf,
+               int neghalf)
+{
+       int v, t, flag;
+       
+       opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
+       flag = *flagsp;
+       if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+               mqc_setcurctx(mqc, t1_getctxno_mag(flag));      /* ESSAI */
+                       v = mqc_decode(mqc);
+               t = v ? poshalf : neghalf;
+               *datap += *datap < 0 ? -t : t;
+               *flagsp |= T1_REFINE;
                }
+}                              /* VSC and  BYPASS by Antonin  */
+
+static INLINE void t1_dec_refpass_step_mqc_vsc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int poshalf,
+               int neghalf,
+               int vsc)
+{
+       int 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) {
+               mqc_setcurctx(mqc, t1_getctxno_mag(flag));      /* ESSAI */
+               v = mqc_decode(mqc);
                t = v ? poshalf : neghalf;
-               *dp += *dp < 0 ? -t : t;
-               *fp |= T1_REFINE;
+               *datap += *datap < 0 ? -t : t;
+               *flagsp |= T1_REFINE;
        }
-}      /* VSC and  BYPASS by Antonin  */
+}                              /* VSC and  BYPASS by Antonin  */
 
-void t1_enc_refpass(int w, int h, int bpno, int *nmsedec, char type, int cblksty)
+static void t1_enc_refpass(
+               opj_t1_t *t1,
+               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);
+       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;
+                               t1_enc_refpass_step(
+                                               t1,
+                                               &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                               &t1->data[(j * t1->w) + i],
+                                               bpno,
+                                               one,
+                                               nmsedec,
+                                               type,
+                                               vsc);
                        }
                }
        }
 }
 
-void t1_dec_refpass(int w, int h, int bpno, char type, int cblksty)
+static void t1_dec_refpass_raw(
+               opj_t1_t *t1,
+               int bpno,
+               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 < 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;
+                               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 */
+
+static void t1_dec_refpass_mqc(
+               opj_t1_t *t1,
+               int bpno)
+{
+       int i, j, k, one, poshalf, neghalf;
+       int *data1 = t1->data;
+       flag_t *flags1 = &t1->flags[1];
+       one = 1 << bpno;
+       poshalf = one >> 1;
+       neghalf = bpno > 0 ? -poshalf : -1;
+       for (k = 0; k < (t1->h & ~3); k += 4) {
+               for (i = 0; i < t1->w; ++i) {
+                       int *data2 = data1 + i;
+                       flag_t *flags2 = flags1 + i;
+                       flags2 += t1->flags_stride;
+                       t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                       data2 += t1->w;
+                       flags2 += t1->flags_stride;
+                       t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                       data2 += t1->w;
+                       flags2 += t1->flags_stride;
+                       t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                       data2 += t1->w;
+                       flags2 += t1->flags_stride;
+                       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) {
+               int *data2 = data1 + i;
+               flag_t *flags2 = flags1 + i;
+               for (j = k; j < t1->h; ++j) {
+                       flags2 += t1->flags_stride;
+                       t1_dec_refpass_step_mqc(t1, flags2, data2, poshalf, neghalf);
+                       data2 += t1->w;
+               }
+       }
+}                              /* VSC and  BYPASS by Antonin */
+
+static void t1_dec_refpass_mqc_vsc(
+               opj_t1_t *t1,
+               int bpno)
 {
        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);
+       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;
+                               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 */
+}                              /* 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)
+static void t1_enc_clnpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               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);
+       
+       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 (!(*flagsp & (T1_SIG | T1_VISIT))) {
+               mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+               v = int_abs(*datap) & one ? 1 : 0;
+               mqc_encode(mqc, 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;
+LABEL_PARTIAL:
+                       *nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
+                       mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+                       v = *datap < 0 ? 1 : 0;
+                       mqc_encode(mqc, v ^ t1_getspb(flag));
+                       t1_updateflags(flagsp, v, t1->flags_stride);
                }
        }
-       *fp &= ~T1_VISIT;
+       *flagsp &= ~T1_VISIT;
 }
 
-void t1_dec_clnpass_step(int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc)
+static void t1_dec_clnpass_step_partial(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf)
+{
+       int v, flag;
+       opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
+       OPJ_ARG_NOT_USED(orient);
+       
+       flag = *flagsp;
+       mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+       v = mqc_decode(mqc) ^ t1_getspb(flag);
+       *datap = v ? -oneplushalf : oneplushalf;
+       t1_updateflags(flagsp, v, t1->flags_stride);
+       *flagsp &= ~T1_VISIT;
+}                              /* VSC and  BYPASS by Antonin */
+
+static void t1_dec_clnpass_step(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               int orient,
+               int oneplushalf)
+{
+       int v, flag;
+       
+       opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
+       flag = *flagsp;
+       if (!(flag & (T1_SIG | T1_VISIT))) {
+               mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+               if (mqc_decode(mqc)) {
+                       mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+                       v = mqc_decode(mqc) ^ t1_getspb(flag);
+                       *datap = v ? -oneplushalf : oneplushalf;
+                       t1_updateflags(flagsp, v, t1->flags_stride);
+               }
+       }
+       *flagsp &= ~T1_VISIT;
+}                              /* VSC and  BYPASS by Antonin */
+
+static void t1_dec_clnpass_step_vsc(
+               opj_t1_t *t1,
+               flag_t *flagsp,
+               int *datap,
+               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;
+       
+       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))) {
-               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;
+               mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+               if (mqc_decode(mqc)) {
+LABEL_PARTIAL:
+                       mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+                       v = mqc_decode(mqc) ^ t1_getspb(flag);
+                       *datap = v ? -oneplushalf : oneplushalf;
+                       t1_updateflags(flagsp, v, t1->flags_stride);
                }
        }
-       *fp &= ~T1_VISIT;
-}      /* VSC and  BYPASS by Antonin */
+       *flagsp &= ~T1_VISIT;
+}
 
-void t1_enc_clnpass(int w, int h, int bpno, int orient, int *nmsedec, int cblksty)
+static void t1_enc_clnpass(
+               opj_t1_t *t1,
+               int bpno,
+               int orient,
+               int *nmsedec,
+               int cblksty)
 {
        int i, j, k, one, agg, runlen, vsc;
+       
+       opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
        *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) {
+       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 = !(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));
+                                       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 = !(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));
+                                       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 (int_abs(t1_data[k + runlen][i]) & one)
+                               for (runlen = 0; runlen < 4; ++runlen) {
+                                       if (int_abs(t1->data[((k + runlen)*t1->w) + i]) & one)
                                                break;
                                }
-                               mqc_setcurctx(T1_CTXNO_AGG);
-                               mqc_encode(runlen != 4);
+                               mqc_setcurctx(mqc, T1_CTXNO_AGG);
+                               mqc_encode(mqc, runlen != 4);
                                if (runlen == 4) {
                                        continue;
                                }
-                               mqc_setcurctx(T1_CTXNO_UNI);
-                               mqc_encode(runlen >> 1);
-                               mqc_encode(runlen & 1);
+                               mqc_setcurctx(mqc, T1_CTXNO_UNI);
+                               mqc_encode(mqc, runlen >> 1);
+                               mqc_encode(mqc, 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);
+                       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;
+                               t1_enc_clnpass_step(
+                                               t1,
+                                               &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                               &t1->data[(j * t1->w) + i],
+                                               orient,
+                                               bpno,
+                                               one,
+                                               nmsedec,
+                                               agg && (j == k + runlen),
+                                               vsc);
                        }
                }
        }
 }
 
-void t1_dec_clnpass(int w, int h, int bpno, int orient, int cblksty)
+static void t1_dec_clnpass(
+               opj_t1_t *t1,
+               int bpno,
+               int orient,
+               int cblksty)
 {
        int i, j, k, one, half, oneplushalf, agg, runlen, vsc;
        int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
+       
+       opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+       
        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));
+       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 = !(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()) {
+                               mqc_setcurctx(mqc, T1_CTXNO_AGG);
+                               if (!mqc_decode(mqc)) {
                                        continue;
                                }
-                               mqc_setcurctx(T1_CTXNO_UNI);
-                               runlen = mqc_decode();
-                               runlen = (runlen << 1) | mqc_decode();
+                               mqc_setcurctx(mqc, T1_CTXNO_UNI);
+                               runlen = mqc_decode(mqc);
+                               runlen = (runlen << 1) | mqc_decode(mqc);
                        } 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);
+                       for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
+                                       vsc = (j == k + 3 || j == t1->h - 1) ? 1 : 0;
+                                       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 + runlen),
+                                               vsc);
+                       }
+               }
+       }
+       } else {
+               int *data1 = t1->data;
+               flag_t *flags1 = &t1->flags[1];
+               for (k = 0; k < (t1->h & ~3); k += 4) {
+                       for (i = 0; i < t1->w; ++i) {
+                               int *data2 = data1 + i;
+                               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) {
+                                       mqc_setcurctx(mqc, T1_CTXNO_AGG);
+                                       if (!mqc_decode(mqc)) {
+                                               continue;
+                                       }
+                                       mqc_setcurctx(mqc, T1_CTXNO_UNI);
+                                       runlen = mqc_decode(mqc);
+                                       runlen = (runlen << 1) | mqc_decode(mqc);
+                                       flags2 += runlen * t1->flags_stride;
+                                       data2 += runlen * t1->w;
+                                       for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
+                                               flags2 += t1->flags_stride;
+                                               if (agg && (j == k + runlen)) {
+                                                       t1_dec_clnpass_step_partial(t1, flags2, data2, orient, oneplushalf);
+                                               } else {
+                                                       t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+                                               }
+                                               data2 += t1->w;
+                                       }
+                               } else {
+                                       flags2 += t1->flags_stride;
+                                       t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+                                       data2 += t1->w;
+                                       flags2 += t1->flags_stride;
+                                       t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+                                       data2 += t1->w;
+                                       flags2 += t1->flags_stride;
+                                       t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+                                       data2 += t1->w;
+                                       flags2 += t1->flags_stride;
+                                       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) {
+                       int *data2 = data1 + i;
+                       flag_t *flags2 = flags1 + i;
+                       for (j = k; j < t1->h; ++j) {
+                               flags2 += t1->flags_stride;
+                               t1_dec_clnpass_step(t1, flags2, data2, orient, oneplushalf);
+                               data2 += t1->w;
                        }
                }
        }
+
        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);
-                  } */
+               mqc_setcurctx(mqc, T1_CTXNO_UNI);
+               v = mqc_decode(mqc);
+               v = (v << 1) | mqc_decode(mqc);
+               v = (v << 1) | mqc_decode(mqc);
+               v = (v << 1) | mqc_decode(mqc);
+               /*
+               if (v!=0xa) {
+                       opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);
+               } 
+               */
        }
-}      /* VSC and  BYPASS by Antonin */
+}                              /* VSC and  BYPASS by Antonin */
+
 
-double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize)
+/** mod fixed_quality */
+static double t1_getwmsedec(
+               int nmsedec,
+               int compno,
+               int level,
+               int orient,
+               int bpno,
+               int qmfbid,
+               double stepsize,
+               int numcomps,
+               int mct)
 {
        double w1, w2, wmsedec;
        if (qmfbid == 1) {
-               w1 = mct_getnorm(compno);
+               w1 = (mct && numcomps==3) ? mct_getnorm(compno) : 1.0;
                w2 = dwt_getnorm(level, orient);
-       } else {  /* if (qmfbid == 0) */
-               w1 = mct_getnorm_real(compno);
+       } else {                        /* if (qmfbid == 0) */
+               w1 = (mct && numcomps==3) ? mct_getnorm_real(compno) : 1.0;
                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)
+static opj_bool allocate_buffers(
+               opj_t1_t *t1,
+               int w,
+               int h)
 {
-       int i, j;
-       int w, h;
-       int passno;
-       int bpno, passtype;
-       int max;
-       int nmsedec;
-       double cumwmsedec = 0;
-       char type = T1_TYPE_MQ;
+       int datasize=w * h;
+       int flagssize;
 
-       w = cblk->x1 - cblk->x0;
-       h = cblk->y1 - cblk->y0;
+       if(datasize > t1->datasize){
+               opj_aligned_free(t1->data);
+               t1->data = (int*) opj_aligned_malloc(datasize * sizeof(int));
+               if(!t1->data){
+                       return OPJ_FALSE;
+               }
+               t1->datasize=datasize;
+       }
+       memset(t1->data,0,datasize * sizeof(int));
+
+       t1->flags_stride=w+2;
+       flagssize=t1->flags_stride * (h+2);
+
+       if(flagssize > t1->flagssize){
+               opj_aligned_free(t1->flags);
+               t1->flags = (flag_t*) opj_aligned_malloc(flagssize * sizeof(flag_t));
+               if(!t1->flags){
+                       return OPJ_FALSE;
+               }
+               t1->flagssize=flagssize;
+       }
+       memset(t1->flags,0,flagssize * sizeof(flag_t));
+
+       t1->w=w;
+       t1->h=h;
+
+       return OPJ_TRUE;
+}
+
+/** mod fixed_quality */
+static void t1_encode_cblk(
+               opj_t1_t *t1,
+               opj_tcd_cblk_enc_t* cblk,
+               int orient,
+               int compno,
+               int level,
+               int qmfbid,
+               double stepsize,
+               int cblksty,
+               int numcomps,
+               int mct,
+               opj_tcd_tile_t * tile)
+{
+       double cumwmsedec = 0.0;
+
+       opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+
+       int passno, bpno, passtype;
+       int nmsedec = 0;
+       int i, max;
+       char type = T1_TYPE_MQ;
+       double tempwmsedec;
 
        max = 0;
-       for (j = 0; j < h; j++) {
-         for (i = 0; i < w; i++) {
-           max = int_max(max, int_abs(t1_data[j][i]));
-         }
+       for (i = 0; i < t1->w * t1->h; ++i) {
+               int tmp = abs(t1->data[i]);
+               max = int_max(max, tmp);
        }
 
        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];
+       
+       mqc_resetstates(mqc);
+       mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+       mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+       mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+       mqc_init_enc(mqc, cblk->data);
+       
+       for (passno = 0; bpno >= 0; ++passno) {
+               opj_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;
-
+               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);
-
+                       case 0:
+                               t1_enc_sigpass(t1, bpno, orient, &nmsedec, type, cblksty);
+                               break;
+                       case 1:
+                               t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty);
+                               break;
+                       case 2:
+                               t1_enc_clnpass(t1, bpno, orient, &nmsedec, cblksty);
+                               /* code switch SEGMARK (i.e. SEGSYM) */
+                               if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
+                                       mqc_segmark_enc(mqc);
+                               break;
+               }
+               
+               /* fixed_quality */
+               tempwmsedec = t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps, mct);
+               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)
-                     {
-                       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 ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) {
+                       if (type == T1_TYPE_RAW) {
+                               mqc_flush(mqc);
+                               correction = 1;
+                               /* correction = mqc_bypass_flush_enc(); */
+                       } else {                        /* correction = mqc_restart_enc(); */
+                               mqc_flush(mqc);
+                               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(mqc);
+                                       correction = 1;
+                                       /* correction = mqc_bypass_flush_enc(); */
+                               } else {                /* correction = mqc_restart_enc(); */
+                                       mqc_flush(mqc);
+                                       correction = 1;
+                               }
+                               pass->term = 1;
+                       } else {
+                               pass->term = 0;
+                       }
+               }
+               
+               if (++passtype == 3) {
+                       passtype = 0;
+                       bpno--;
+               }
                
-               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;
+                       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();
+                               mqc_bypass_init_enc(mqc);
                        else
-                               mqc_restart_init_enc();
+                               mqc_restart_init_enc(mqc);
                }
-
+               
                pass->distortiondec = cumwmsedec;
-               pass->rate = mqc_numbytes() + correction;       /* FIXME */
-               pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
-
+               pass->rate = mqc_numbytes(mqc) + correction;    /* FIXME */
+               
                /* Code-switch "RESET" */
                if (cblksty & J2K_CCP_CBLKSTY_RESET)
-                       mqc_reset_enc();
+                       mqc_reset_enc(mqc);
        }
-
+       
        /* Code switch "ERTERM" (i.e. PTERM) */
        if (cblksty & J2K_CCP_CBLKSTY_PTERM)
-               mqc_erterm_enc();
+               mqc_erterm_enc(mqc);
        else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
-               mqc_flush();
-
+               mqc_flush(mqc);
+       
        cblk->totalpasses = passno;
+
+       for (passno = 0; passno<cblk->totalpasses; passno++) {
+               opj_tcd_pass_t *pass = &cblk->passes[passno];
+               if (pass->rate > mqc_numbytes(mqc))
+                       pass->rate = 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);             
+       }
 }
 
-void t1_decode_cblk(tcd_cblk_t * cblk, int orient, int roishift, int cblksty)
+static void t1_decode_cblk(
+               opj_t1_t *t1,
+               opj_tcd_cblk_dec_t* cblk,
+               int orient,
+               int roishift,
+               int cblksty)
 {
-       int i;
-       int w, h;
+       opj_raw_t *raw = t1->raw;       /* RAW component */
+       opj_mqc_t *mqc = t1->mqc;       /* MQC component */
+
        int bpno, passtype;
        int segno, passno;
-       /* add TONY */
-       char type = T1_TYPE_MQ;
-       /* dda */
+       char type = T1_TYPE_MQ; /* BYPASS mode */
 
-       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;
+       if(!allocate_buffers(
+                               t1,
+                               cblk->x1 - cblk->x0,
+                               cblk->y1 - cblk->y0))
+       {
+               return;
+       }
 
-       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++) {
+       
+       mqc_resetstates(mqc);
+       mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+       mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+       mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+       
+       for (segno = 0; segno < cblk->numsegs; ++segno) {
+               opj_tcd_seg_t *seg = &cblk->segs[segno];
+               
+               /* BYPASS mode */
+               type = ((bpno <= (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 == NULL){
+                       continue;
+               }
+               if (type == T1_TYPE_RAW) {
+                       raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len);
+               } else {
+                       mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len);
+               }
+               
+               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;
+                               case 0:
+                                       if (type == T1_TYPE_RAW) {
+                                               t1_dec_sigpass_raw(t1, bpno+1, orient, cblksty);
+                                       } else {
+                                               if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+                                                       t1_dec_sigpass_mqc_vsc(t1, bpno+1, orient);
+                                               } else {
+                                                       t1_dec_sigpass_mqc(t1, bpno+1, orient);
+                                               }
+                                       }
+                                       break;
+                               case 1:
+                                       if (type == T1_TYPE_RAW) {
+                                               t1_dec_refpass_raw(t1, bpno+1, cblksty);
+                                       } else {
+                                               if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+                                                       t1_dec_refpass_mqc_vsc(t1, bpno+1);
+                                               } else {
+                                                       t1_dec_refpass_mqc(t1, bpno+1);
+                                               }
+                                       }
+                                       break;
+                               case 2:
+                                       t1_dec_clnpass(t1, bpno+1, orient, cblksty);
+                                       break;
+                       }
+                       
+                       if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
+                               mqc_resetstates(mqc);
+                               mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);                         
+                               mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+                               mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
                        }
-
-                       if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ)
-                               mqc_reset_enc();
-
                        if (++passtype == 3) {
                                passtype = 0;
                                bpno--;
@@ -662,323 +1410,574 @@ void t1_decode_cblk(tcd_cblk_t * cblk, int orient, int roishift, int cblksty)
        }
 }
 
-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  */
+/* ----------------------------------------------------------------------- */
+
+opj_t1_t* t1_create(opj_common_ptr cinfo) {
+       opj_t1_t *t1 = (opj_t1_t*) opj_malloc(sizeof(opj_t1_t));
+       if(!t1)
+               return NULL;
+
+       t1->cinfo = cinfo;
+       /* create MQC and RAW handles */
+       t1->mqc = mqc_create();
+       t1->raw = raw_create();
+
+       t1->data=NULL;
+       t1->flags=NULL;
+       t1->datasize=0;
+       t1->flagssize=0;
+
+       return t1;
 }
 
+void t1_destroy(opj_t1_t *t1) {
+       if(t1) {
+               /* destroy MQC and RAW handles */
+               mqc_destroy(t1->mqc);
+               raw_destroy(t1->raw);
+               opj_aligned_free(t1->data);
+               opj_aligned_free(t1->flags);
+               opj_free(t1);
+       }
+}
 
-void t1_decode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp)
+void t1_encode_cblks(
+               opj_t1_t *t1,
+               opj_tcd_tile_t *tile,
+               opj_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++) 
+       int 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];
+               int tile_w = 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];
+        int bandconst = 8192 * 8192 / ((int) 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];
+                                               int* restrict datap;
+                                               int* restrict tiledp;
+                                               int cblk_w;
+                                               int cblk_h;
+                                               int i, j;
+
+                                               int x = cblk->x0 - band->x0;
+                                               int 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(!allocate_buffers(
+                                                                       t1,
+                                                                       cblk->x1 - cblk->x0,
+                                                                       cblk->y1 - cblk->y0))
+                                               {
+                                                       return;
+                                               }
+
+                                               datap=t1->data;
+                                               cblk_w = t1->w;
+                                               cblk_h = t1->h;
+
+                                               tiledp=&tilec->data[(y * tile_w) + x];
+                                               if (tccp->qmfbid == 1) {
+                                                       for (j = 0; j < cblk_h; ++j) {
+                                                               for (i = 0; i < cblk_w; ++i) {
+                                                                       int tmp = tiledp[(j * tile_w) + i];
+                                                                       datap[(j * cblk_w) + i] = tmp << T1_NMSEDEC_FRACBITS;
+                                                               }
+                                                       }
+                                               } else {                /* if (tccp->qmfbid == 0) */
+                                                       for (j = 0; j < cblk_h; ++j) {
+                                                               for (i = 0; i < cblk_w; ++i) {
+                                                                       int tmp = tiledp[(j * tile_w) + i];
+                                                                       datap[(j * cblk_w) + i] =
+                                                                               fix_mul(
+                                                                               tmp,
+                                                                               bandconst) >> (11 - T1_NMSEDEC_FRACBITS);
+                                                               }
+                                                       }
+                                               }
+
+                                               t1_encode_cblk(
+                                                               t1,
+                                                               cblk,
+                                                               band->bandno,
+                                                               compno,
+                                                               tilec->numresolutions - 1 - resno,
+                                                               tccp->qmfbid,
+                                                               band->stepsize,
+                                                               tccp->cblksty,
+                                                               tile->numcomps,
+                                                               tcp->mct,
+                                                               tile);
+
+                                       } /* cblkno */
+                               } /* precno */
+                       } /* bandno */
+               } /* resno  */
+       } /* compno  */
+}
+
+void t1_decode_cblks(
+               opj_t1_t* t1,
+               opj_tcd_tilecomp_t* tilec,
+               opj_tccp_t* tccp)
+{
+       int resno, bandno, precno, cblkno;
+
+       int tile_w = 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];
+
+                       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];
+                                       int* restrict datap;
+                                       int cblk_w, cblk_h;
+                                       int x, y;
+                                       int i, j;
+
+                                       t1_decode_cblk(
+                                                       t1,
+                                                       cblk,
+                                                       band->bandno,
+                                                       tccp->roishift,
+                                                       tccp->cblksty);
+
+                                       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) {
+                                               int thresh = 1 << tccp->roishift;
+                                               for (j = 0; j < cblk_h; ++j) {
+                                                       for (i = 0; i < cblk_w; ++i) {
+                                                               int val = datap[(j * cblk_w) + i];
+                                                               int mag = abs(val);
+                                                               if (mag >= thresh) {
+                                                                       mag >>= tccp->roishift;
+                                                                       datap[(j * cblk_w) + i] = val < 0 ? -mag : mag;
+                                                               }
+                                                       }
+                                               }
+                                       }
+
+                                       if (tccp->qmfbid == 1) {
+                                               int* restrict tiledp = &tilec->data[(y * tile_w) + x];
+                                               for (j = 0; j < cblk_h; ++j) {
+                                                       for (i = 0; i < cblk_w; ++i) {
+                                                               int tmp = datap[(j * cblk_w) + i];
+                                                               ((int*)tiledp)[(j * tile_w) + i] = tmp / 2;
+                                                       }
+                                               }
+                                       } else {                /* if (tccp->qmfbid == 0) */
+                                               float* restrict tiledp = (float*) &tilec->data[(y * tile_w) + x];
+                                               for (j = 0; j < cblk_h; ++j) {
+                                                       float* restrict tiledp2 = tiledp;
+                                                       for (i = 0; i < cblk_w; ++i) {
+                                                               float tmp = *datap * band->stepsize;
+                                                               *tiledp2 = tmp;
+                                                               datap++;
+                                                               tiledp2++;
+                                                       }
+                                                       tiledp += tile_w;
+                                               }
+                                       }
+                                       opj_free(cblk->data);
+                                       opj_free(cblk->segs);
+                               } /* cblkno */
+                               opj_free(precinct->cblks.dec);
+                       } /* precno */
+               } /* bandno */
+       } /* resno */
+}
+
+
+
+/* ----------------------------------------------------------------------- */
+/**
+ * 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* t1_create_v2()
+{
+       opj_t1_t *l_t1 = 00;
+
+       l_t1 = (opj_t1_t*) opj_malloc(sizeof(opj_t1_t));
+       if
+               (!l_t1)
        {
-         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);
-                           }
-                         }
-                       }
-                     }
-                   }
-               }
-           }
+               return 00;
        }
-    }
-}
+       memset(l_t1,0,sizeof(opj_t1_t));
 
-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;
+       /* create MQC and RAW handles */
+       l_t1->mqc = mqc_create();
+       if
+               (! l_t1->mqc)
+       {
+               t1_destroy(l_t1);
+               return 00;
        }
-       return T1_CTXNO_ZC + n;
+       l_t1->raw = raw_create();
+       if
+               (! l_t1->raw)
+       {
+               t1_destroy(l_t1);
+               return 00;
+       }
+       return l_t1;
 }
 
-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)
+/**
+ * Destroys a previously created T1 handle
+ *
+ * @param p_t1 Tier 1 handle to destroy
+*/
+void t1_destroy_v2(opj_t1_t *p_t1)
 {
-       int n;
-       if (!(f & T1_REFINE))
-               n = (f & (T1_SIG_OTH)) ? 1 : 0;
-       else
-               n = 2;
-       return T1_CTXNO_MAG + n;
+       if
+               (! p_t1)
+       {
+               return;
+       }
+
+       /* destroy MQC and RAW handles */
+       mqc_destroy(p_t1->mqc);
+       p_t1->mqc = 00;
+       raw_destroy(p_t1->raw);
+       p_t1->raw = 00;
+       if
+               (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);
 }
 
-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_decode_cblks_v2(
+               opj_t1_t* t1,
+               opj_tcd_tilecomp_v2_t* tilec,
+               opj_tccp_t* tccp)
+{
+       OPJ_UINT32 resno, bandno, precno, cblkno;
+       OPJ_UINT32 tile_w = tilec->x1 - tilec->x0;
+
+       for (resno = 0; resno < tilec->minimum_num_resolutions; ++resno) {
+               opj_tcd_resolution_v2_t* res = &tilec->resolutions[resno];
+
+               for (bandno = 0; bandno < res->numbands; ++bandno) {
+                       opj_tcd_band_v2_t* restrict band = &res->bands[bandno];
+
+                       for (precno = 0; precno < res->pw * res->ph; ++precno) {
+                               opj_tcd_precinct_v2_t* precinct = &band->precincts[precno];
+
+                               for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
+                                       opj_tcd_cblk_dec_v2_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;
+
+                                       t1_decode_cblk_v2(
+                                                       t1,
+                                                       cblk,
+                                                       band->bandno,
+                                                       tccp->roishift,
+                                                       tccp->cblksty);
+
+                                       x = cblk->x0 - band->x0;
+                                       y = cblk->y0 - band->y0;
+                                       if (band->bandno & 1) {
+                                               opj_tcd_resolution_v2_t* pres = &tilec->resolutions[resno - 1];
+                                               x += pres->x1 - pres->x0;
+                                       }
+                                       if (band->bandno & 2) {
+                                               opj_tcd_resolution_v2_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) {
+                                               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) */
+                                               for (j = 0; j < cblk_h; ++j) {
+                                                       for (i = 0; i < cblk_w; ++i) {
+                                                               float tmp = datap[(j * cblk_w) + i] * band->stepsize;
+                                                               ((float*)tiledp)[(j * tile_w) + i] = tmp;
+                                                       }
+                                               }
+                                       }
+                                       //opj_free(cblk->segs);
+                                       //cblk->segs = 00;
+                               } /* cblkno */
+                       } /* precno */
+               } /* bandno */
+       } /* resno */
 }
 
-void t1_init_luts()
+
+static void t1_decode_cblk_v2(
+               opj_t1_t *t1,
+               opj_tcd_cblk_dec_v2_t* cblk,
+               OPJ_UINT32 orient,
+               OPJ_UINT32 roishift,
+               OPJ_UINT32 cblksty)
 {
-       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);
+       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(!allocate_buffers(
+                               t1,
+                               cblk->x1 - cblk->x0,
+                               cblk->y1 - cblk->y0))
+       {
+               return;
+       }
+
+       bpno = roishift + cblk->numbps - 1;
+       passtype = 2;
+
+       mqc_resetstates(mqc);
+       mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+       mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+       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) {
+                       raw_init_dec(raw, (*seg->data) + seg->dataindex, seg->len);
+               } else {
+                       mqc_init_dec(mqc, (*seg->data) + seg->dataindex, seg->len);
+               }
+
+               for (passno = 0; passno < seg->real_num_passes; ++passno) {
+                       switch (passtype) {
+                               case 0:
+                                       t1_dec_sigpass(t1, bpno+1, orient, type, cblksty);
+                                       break;
+                               case 1:
+                                       t1_dec_refpass(t1, bpno+1, type, cblksty);
+                                       break;
+                               case 2:
+                                       t1_dec_clnpass(t1, bpno+1, orient, cblksty);
+                                       break;
+                       }
+
+                       if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
+                               mqc_resetstates(mqc);
+                               mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+                               mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+                               mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+                       }
+                       if (++passtype == 3) {
+                               passtype = 0;
+                               bpno--;
+                       }
                }
        }
-       for (i = 0; i < 256; i++) {
-               t1_lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);
+}
+
+static void t1_dec_refpass(
+               opj_t1_t *t1,
+               OPJ_INT32 bpno,
+               OPJ_BYTE type,
+               OPJ_UINT32 cblksty)
+{
+       OPJ_UINT32 i, j, k;
+       OPJ_INT32 one, poshalf, neghalf;
+       OPJ_UINT32 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;
+                               t1_dec_refpass_step(
+                                               t1,
+                                               &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                               &t1->data[(j * t1->w) + i],
+                                               poshalf,
+                                               neghalf,
+                                               type,
+                                               vsc);
+                       }
+               }
        }
-       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);
+}                              /* VSC and  BYPASS by Antonin */
+
+
+static void t1_dec_refpass_step(
+               opj_t1_t *t1,
+               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) {
+               mqc_setcurctx(mqc, t1_getctxno_mag(flag));      /* ESSAI */
+               if (type == T1_TYPE_RAW) {
+                       v = raw_decode(raw);
+               } else {
+                       v = mqc_decode(mqc);
                }
+               t = v ? poshalf : neghalf;
+               *datap += *datap < 0 ? -t : t;
+               *flagsp |= T1_REFINE;
        }
-       for (i = 0; i < 256; ++i) {
-               t1_lut_spb[i] = t1_init_spb(i << 4);
+}                              /* VSC and  BYPASS by Antonin  */
+
+static void t1_dec_sigpass(
+               opj_t1_t *t1,
+               OPJ_INT32 bpno,
+               OPJ_UINT32 orient,
+               OPJ_BYTE type,
+               OPJ_UINT32 cblksty)
+{
+       OPJ_UINT32 i, j, k, vsc;
+       OPJ_INT32 one, half, oneplushalf;
+       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;
+                               t1_dec_sigpass_step(
+                                               t1,
+                                               &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+                                               &t1->data[(j * t1->w) + i],
+                                               orient,
+                                               oneplushalf,
+                                               type,
+                                               vsc);
+                       }
+               }
        }
-       /* 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;
+}                              /* VSC and  BYPASS by Antonin */
+
+static void t1_dec_sigpass_step(
+               opj_t1_t *t1,
+               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 (raw_decode(raw)) {
+                               v = raw_decode(raw);    /* ESSAI */
+                               *datap = v ? -oneplushalf : oneplushalf;
+                               t1_updateflags(flagsp, v, t1->flags_stride);
+                       }
                } else {
-                       v = t - 0.5;
+                       mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+                       if (mqc_decode(mqc)) {
+                               mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+                               v = mqc_decode(mqc) ^ t1_getspb(flag);
+                               *datap = v ? -oneplushalf : oneplushalf;
+                               t1_updateflags(flagsp, v, t1->flags_stride);
+                       }
                }
-               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));
+               *flagsp |= T1_VISIT;
        }
-}
+}                              /* VSC and  BYPASS by Antonin */
+