Update to 2.0.0 tree from current Fremantle build
[opencv] / otherlibs / _graphics / src / libjasper / jpc_enc.c
diff --git a/otherlibs/_graphics/src/libjasper/jpc_enc.c b/otherlibs/_graphics/src/libjasper/jpc_enc.c
deleted file mode 100644 (file)
index 52b9956..0000000
+++ /dev/null
@@ -1,2620 +0,0 @@
-/*
- * Copyright (c) 1999-2000 Image Power, Inc. and the University of
- *   British Columbia.
- * Copyright (c) 2001-2003 Michael David Adams.
- * All rights reserved.
- */
-
-/* __START_OF_JASPER_LICENSE__
- * 
- * JasPer License Version 2.0
- * 
- * Copyright (c) 2001-2006 Michael David Adams
- * Copyright (c) 1999-2000 Image Power, Inc.
- * Copyright (c) 1999-2000 The University of British Columbia
- * 
- * All rights reserved.
- * 
- * Permission is hereby granted, free of charge, to any person (the
- * "User") obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, and/or sell copies of the Software, and to permit
- * persons to whom the Software is furnished to do so, subject to the
- * following conditions:
- * 
- * 1.  The above copyright notices and this permission notice (which
- * includes the disclaimer below) shall be included in all copies or
- * substantial portions of the Software.
- * 
- * 2.  The name of a copyright holder shall not be used to endorse or
- * promote products derived from the Software without specific prior
- * written permission.
- * 
- * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
- * LICENSE.  NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
- * THIS DISCLAIMER.  THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
- * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
- * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.  IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
- * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  NO ASSURANCES ARE
- * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
- * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
- * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
- * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
- * PROPERTY RIGHTS OR OTHERWISE.  AS A CONDITION TO EXERCISING THE RIGHTS
- * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
- * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY.  THE SOFTWARE
- * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
- * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
- * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
- * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
- * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
- * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
- * RISK ACTIVITIES").  THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
- * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
- * 
- * __END_OF_JASPER_LICENSE__
- */
-
-/*
- * $Id: jpc_enc.c,v 1.2 2008/05/26 09:40:52 vp153 Exp $
- */
-
-/******************************************************************************\
-* Includes.
-\******************************************************************************/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <math.h>
-#include <float.h>
-
-#include "jasper/jas_types.h"
-#include "jasper/jas_string.h"
-#include "jasper/jas_malloc.h"
-#include "jasper/jas_image.h"
-#include "jasper/jas_fix.h"
-#include "jasper/jas_tvp.h"
-#include "jasper/jas_version.h"
-#include "jasper/jas_math.h"
-#include "jasper/jas_debug.h"
-
-#include "jpc_flt.h"
-#include "jpc_fix.h"
-#include "jpc_tagtree.h"
-#include "jpc_enc.h"
-#include "jpc_cs.h"
-#include "jpc_mct.h"
-#include "jpc_tsfb.h"
-#include "jpc_qmfb.h"
-#include "jpc_t1enc.h"
-#include "jpc_t2enc.h"
-#include "jpc_cod.h"
-#include "jpc_math.h"
-#include "jpc_util.h"
-
-/******************************************************************************\
-*
-\******************************************************************************/
-
-#define JPC_POW2(n) \
-       (1 << (n))
-
-#define JPC_FLOORTOMULTPOW2(x, n) \
-  (((n) > 0) ? ((x) & (~((1 << n) - 1))) : (x))
-/* Round to the nearest multiple of the specified power of two in the
-  direction of negative infinity. */
-
-#define        JPC_CEILTOMULTPOW2(x, n) \
-  (((n) > 0) ? JPC_FLOORTOMULTPOW2(((x) + (1 << (n)) - 1), n) : (x))
-/* Round to the nearest multiple of the specified power of two in the
-  direction of positive infinity. */
-
-#define        JPC_POW2(n)     \
-  (1 << (n))
-
-jpc_enc_tile_t *jpc_enc_tile_create(jpc_enc_cp_t *cp, jas_image_t *image, int tileno);
-void jpc_enc_tile_destroy(jpc_enc_tile_t *tile);
-
-static jpc_enc_tcmpt_t *tcmpt_create(jpc_enc_tcmpt_t *tcmpt, jpc_enc_cp_t *cp,
-  jas_image_t *image, jpc_enc_tile_t *tile);
-static void tcmpt_destroy(jpc_enc_tcmpt_t *tcmpt);
-static jpc_enc_rlvl_t *rlvl_create(jpc_enc_rlvl_t *rlvl, jpc_enc_cp_t *cp,
-  jpc_enc_tcmpt_t *tcmpt, jpc_tsfb_band_t *bandinfos);
-static void rlvl_destroy(jpc_enc_rlvl_t *rlvl);
-static jpc_enc_band_t *band_create(jpc_enc_band_t *band, jpc_enc_cp_t *cp,
-  jpc_enc_rlvl_t *rlvl, jpc_tsfb_band_t *bandinfos);
-static void band_destroy(jpc_enc_band_t *bands);
-static jpc_enc_prc_t *prc_create(jpc_enc_prc_t *prc, jpc_enc_cp_t *cp,
-  jpc_enc_band_t *band);
-static void prc_destroy(jpc_enc_prc_t *prcs);
-static jpc_enc_cblk_t *cblk_create(jpc_enc_cblk_t *cblk, jpc_enc_cp_t *cp,
-  jpc_enc_prc_t *prc);
-static void cblk_destroy(jpc_enc_cblk_t *cblks);
-int ratestrtosize(char *s, uint_fast32_t rawsize, uint_fast32_t *size);
-static void pass_destroy(jpc_enc_pass_t *pass);
-void jpc_enc_dump(jpc_enc_t *enc);
-
-/******************************************************************************\
-* Local prototypes.
-\******************************************************************************/
-
-int dump_passes(jpc_enc_pass_t *passes, int numpasses, jpc_enc_cblk_t *cblk);
-void calcrdslopes(jpc_enc_cblk_t *cblk);
-void dump_layeringinfo(jpc_enc_t *enc);
-static int jpc_calcssexp(jpc_fix_t stepsize);
-static int jpc_calcssmant(jpc_fix_t stepsize);
-void jpc_quantize(jas_matrix_t *data, jpc_fix_t stepsize);
-static int jpc_enc_encodemainhdr(jpc_enc_t *enc);
-static int jpc_enc_encodemainbody(jpc_enc_t *enc);
-int jpc_enc_encodetiledata(jpc_enc_t *enc);
-jpc_enc_t *jpc_enc_create(jpc_enc_cp_t *cp, jas_stream_t *out, jas_image_t *image);
-void jpc_enc_destroy(jpc_enc_t *enc);
-static int jpc_enc_encodemainhdr(jpc_enc_t *enc);
-static int jpc_enc_encodemainbody(jpc_enc_t *enc);
-int jpc_enc_encodetiledata(jpc_enc_t *enc);
-int rateallocate(jpc_enc_t *enc, int numlyrs, uint_fast32_t *cumlens);
-int setins(int numvalues, jpc_flt_t *values, jpc_flt_t value);
-static jpc_enc_cp_t *cp_create(char *optstr, jas_image_t *image);
-void jpc_enc_cp_destroy(jpc_enc_cp_t *cp);
-static uint_fast32_t jpc_abstorelstepsize(jpc_fix_t absdelta, int scaleexpn);
-
-static uint_fast32_t jpc_abstorelstepsize(jpc_fix_t absdelta, int scaleexpn)
-{
-       int p;
-       uint_fast32_t mant;
-       uint_fast32_t expn;
-       int n;
-
-       if (absdelta < 0) {
-               abort();
-       }
-
-       p = jpc_firstone(absdelta) - JPC_FIX_FRACBITS;
-       n = 11 - jpc_firstone(absdelta);
-       mant = ((n < 0) ? (absdelta >> (-n)) : (absdelta << n)) & 0x7ff;
-       expn = scaleexpn - p;
-       if (scaleexpn < p) {
-               abort();
-       }
-       return JPC_QCX_EXPN(expn) | JPC_QCX_MANT(mant);
-}
-
-typedef enum {
-       OPT_DEBUG,
-       OPT_IMGAREAOFFX,
-       OPT_IMGAREAOFFY,
-       OPT_TILEGRDOFFX,
-       OPT_TILEGRDOFFY,
-       OPT_TILEWIDTH,
-       OPT_TILEHEIGHT,
-       OPT_PRCWIDTH,
-       OPT_PRCHEIGHT,
-       OPT_CBLKWIDTH,
-       OPT_CBLKHEIGHT,
-       OPT_MODE,
-       OPT_PRG,
-       OPT_NOMCT,
-       OPT_MAXRLVLS,
-       OPT_SOP,
-       OPT_EPH,
-       OPT_LAZY,
-       OPT_TERMALL,
-       OPT_SEGSYM,
-       OPT_VCAUSAL,
-       OPT_RESET,
-       OPT_PTERM,
-       OPT_NUMGBITS,
-       OPT_RATE,
-       OPT_ILYRRATES,
-       OPT_JP2OVERHEAD
-} optid_t;
-
-jas_taginfo_t encopts[] = {
-       {OPT_DEBUG, "debug"},
-       {OPT_IMGAREAOFFX, "imgareatlx"},
-       {OPT_IMGAREAOFFY, "imgareatly"},
-       {OPT_TILEGRDOFFX, "tilegrdtlx"},
-       {OPT_TILEGRDOFFY, "tilegrdtly"},
-       {OPT_TILEWIDTH, "tilewidth"},
-       {OPT_TILEHEIGHT, "tileheight"},
-       {OPT_PRCWIDTH, "prcwidth"},
-       {OPT_PRCHEIGHT, "prcheight"},
-       {OPT_CBLKWIDTH, "cblkwidth"},
-       {OPT_CBLKHEIGHT, "cblkheight"},
-       {OPT_MODE, "mode"},
-       {OPT_PRG, "prg"},
-       {OPT_NOMCT, "nomct"},
-       {OPT_MAXRLVLS, "numrlvls"},
-       {OPT_SOP, "sop"},
-       {OPT_EPH, "eph"},
-       {OPT_LAZY, "lazy"},
-       {OPT_TERMALL, "termall"},
-       {OPT_SEGSYM, "segsym"},
-       {OPT_VCAUSAL, "vcausal"},
-       {OPT_PTERM, "pterm"},
-       {OPT_RESET, "resetprob"},
-       {OPT_NUMGBITS, "numgbits"},
-       {OPT_RATE, "rate"},
-       {OPT_ILYRRATES, "ilyrrates"},
-       {OPT_JP2OVERHEAD, "_jp2overhead"},
-       {-1, 0}
-};
-
-typedef enum {
-       PO_L = 0,
-       PO_R
-} poid_t;
-
-
-jas_taginfo_t prgordtab[] = {
-       {JPC_COD_LRCPPRG, "lrcp"},
-       {JPC_COD_RLCPPRG, "rlcp"},
-       {JPC_COD_RPCLPRG, "rpcl"},
-       {JPC_COD_PCRLPRG, "pcrl"},
-       {JPC_COD_CPRLPRG, "cprl"},
-       {-1, 0}
-};
-
-typedef enum {
-       MODE_INT,
-       MODE_REAL
-} modeid_t;
-
-jas_taginfo_t modetab[] = {
-       {MODE_INT, "int"},
-       {MODE_REAL, "real"},
-       {-1, 0}
-};
-
-/******************************************************************************\
-* The main encoder entry point.
-\******************************************************************************/
-
-int jpc_encode(jas_image_t *image, jas_stream_t *out, char *optstr)
-{
-       jpc_enc_t *enc;
-       jpc_enc_cp_t *cp;
-
-       enc = 0;
-       cp = 0;
-
-       jpc_initluts();
-
-       if (!(cp = cp_create(optstr, image))) {
-               jas_eprintf("invalid JP encoder options\n");
-               goto error;
-       }
-
-       if (!(enc = jpc_enc_create(cp, out, image))) {
-               goto error;
-       }
-       cp = 0;
-
-       /* Encode the main header. */
-       if (jpc_enc_encodemainhdr(enc)) {
-               goto error;
-       }
-
-       /* Encode the main body.  This constitutes most of the encoding work. */
-       if (jpc_enc_encodemainbody(enc)) {
-               goto error;
-       }
-
-       /* Write EOC marker segment. */
-       if (!(enc->mrk = jpc_ms_create(JPC_MS_EOC))) {
-               goto error;
-       }
-       if (jpc_putms(enc->out, enc->cstate, enc->mrk)) {
-               jas_eprintf("cannot write EOI marker\n");
-               goto error;
-       }
-       jpc_ms_destroy(enc->mrk);
-       enc->mrk = 0;
-
-       if (jas_stream_flush(enc->out)) {
-               goto error;
-       }
-
-       jpc_enc_destroy(enc);
-
-       return 0;
-
-error:
-       if (cp) {
-               jpc_enc_cp_destroy(cp);
-       }
-       if (enc) {
-               jpc_enc_destroy(enc);
-       }
-       return -1;
-}
-
-/******************************************************************************\
-* Option parsing code.
-\******************************************************************************/
-
-static jpc_enc_cp_t *cp_create(char *optstr, jas_image_t *image)
-{
-       jpc_enc_cp_t *cp;
-       jas_tvparser_t *tvp;
-       int ret;
-       int numilyrrates;
-       double *ilyrrates;
-       int i;
-       int tagid;
-       jpc_enc_tcp_t *tcp;
-       jpc_enc_tccp_t *tccp;
-       jpc_enc_ccp_t *ccp;
-       int cmptno;
-       uint_fast16_t rlvlno;
-       uint_fast16_t prcwidthexpn;
-       uint_fast16_t prcheightexpn;
-       bool enablemct;
-       uint_fast32_t jp2overhead;
-       uint_fast16_t lyrno;
-       uint_fast32_t hsteplcm;
-       uint_fast32_t vsteplcm;
-       bool mctvalid;
-
-       tvp = 0;
-       cp = 0;
-       ilyrrates = 0;
-       numilyrrates = 0;
-
-       if (!(cp = jas_malloc(sizeof(jpc_enc_cp_t)))) {
-               goto error;
-       }
-
-       prcwidthexpn = 15;
-       prcheightexpn = 15;
-       enablemct = true;
-       jp2overhead = 0;
-
-       cp->ccps = 0;
-       cp->debug = 0;
-       cp->imgareatlx = UINT_FAST32_MAX;
-       cp->imgareatly = UINT_FAST32_MAX;
-       cp->refgrdwidth = 0;
-       cp->refgrdheight = 0;
-       cp->tilegrdoffx = UINT_FAST32_MAX;
-       cp->tilegrdoffy = UINT_FAST32_MAX;
-       cp->tilewidth = 0;
-       cp->tileheight = 0;
-       cp->numcmpts = jas_image_numcmpts(image);
-
-       hsteplcm = 1;
-       vsteplcm = 1;
-       for (cmptno = 0; cmptno < jas_image_numcmpts(image); ++cmptno) {
-               if (jas_image_cmptbrx(image, cmptno) + jas_image_cmpthstep(image, cmptno) <=
-                 jas_image_brx(image) || jas_image_cmptbry(image, cmptno) +
-                 jas_image_cmptvstep(image, cmptno) <= jas_image_bry(image)) {
-                       jas_eprintf("unsupported image type\n");
-                       goto error;
-               }
-               /* Note: We ought to be calculating the LCMs here.  Fix some day. */
-               hsteplcm *= jas_image_cmpthstep(image, cmptno);
-               vsteplcm *= jas_image_cmptvstep(image, cmptno);
-       }
-
-       if (!(cp->ccps = jas_malloc(cp->numcmpts * sizeof(jpc_enc_ccp_t)))) {
-               goto error;
-       }
-       for (cmptno = 0, ccp = cp->ccps; cmptno < JAS_CAST(int, cp->numcmpts); ++cmptno,
-         ++ccp) {
-               ccp->sampgrdstepx = jas_image_cmpthstep(image, cmptno);
-               ccp->sampgrdstepy = jas_image_cmptvstep(image, cmptno);
-               /* XXX - this isn't quite correct for more general image */
-               ccp->sampgrdsubstepx = 0;
-               ccp->sampgrdsubstepx = 0;
-               ccp->prec = jas_image_cmptprec(image, cmptno);
-               ccp->sgnd = jas_image_cmptsgnd(image, cmptno);
-               ccp->numstepsizes = 0;
-               memset(ccp->stepsizes, 0, sizeof(ccp->stepsizes));
-       }
-
-       cp->rawsize = jas_image_rawsize(image);
-       cp->totalsize = UINT_FAST32_MAX;
-
-       tcp = &cp->tcp;
-       tcp->csty = 0;
-       tcp->intmode = true;
-       tcp->prg = JPC_COD_LRCPPRG;
-       tcp->numlyrs = 1;
-       tcp->ilyrrates = 0;
-
-       tccp = &cp->tccp;
-       tccp->csty = 0;
-       tccp->maxrlvls = 6;
-       tccp->cblkwidthexpn = 6;
-       tccp->cblkheightexpn = 6;
-       tccp->cblksty = 0;
-       tccp->numgbits = 2;
-
-       if (!(tvp = jas_tvparser_create(optstr ? optstr : ""))) {
-               goto error;
-       }
-
-       while (!(ret = jas_tvparser_next(tvp))) {
-               switch (jas_taginfo_nonull(jas_taginfos_lookup(encopts,
-                 jas_tvparser_gettag(tvp)))->id) {
-               case OPT_DEBUG:
-                       cp->debug = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_IMGAREAOFFX:
-                       cp->imgareatlx = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_IMGAREAOFFY:
-                       cp->imgareatly = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_TILEGRDOFFX:
-                       cp->tilegrdoffx = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_TILEGRDOFFY:
-                       cp->tilegrdoffy = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_TILEWIDTH:
-                       cp->tilewidth = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_TILEHEIGHT:
-                       cp->tileheight = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_PRCWIDTH:
-                       prcwidthexpn = jpc_floorlog2(atoi(jas_tvparser_getval(tvp)));
-                       break;
-               case OPT_PRCHEIGHT:
-                       prcheightexpn = jpc_floorlog2(atoi(jas_tvparser_getval(tvp)));
-                       break;
-               case OPT_CBLKWIDTH:
-                       tccp->cblkwidthexpn =
-                         jpc_floorlog2(atoi(jas_tvparser_getval(tvp)));
-                       break;
-               case OPT_CBLKHEIGHT:
-                       tccp->cblkheightexpn =
-                         jpc_floorlog2(atoi(jas_tvparser_getval(tvp)));
-                       break;
-               case OPT_MODE:
-                       if ((tagid = jas_taginfo_nonull(jas_taginfos_lookup(modetab,
-                         jas_tvparser_getval(tvp)))->id) < 0) {
-                               jas_eprintf("ignoring invalid mode %s\n",
-                                 jas_tvparser_getval(tvp));
-                       } else {
-                               tcp->intmode = (tagid == MODE_INT);
-                       }
-                       break;
-               case OPT_PRG:
-                       if ((tagid = jas_taginfo_nonull(jas_taginfos_lookup(prgordtab,
-                         jas_tvparser_getval(tvp)))->id) < 0) {
-                               jas_eprintf("ignoring invalid progression order %s\n",
-                                 jas_tvparser_getval(tvp));
-                       } else {
-                               tcp->prg = tagid;
-                       }
-                       break;
-               case OPT_NOMCT:
-                       enablemct = false;
-                       break;
-               case OPT_MAXRLVLS:
-                       tccp->maxrlvls = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_SOP:
-                       cp->tcp.csty |= JPC_COD_SOP;
-                       break;
-               case OPT_EPH:
-                       cp->tcp.csty |= JPC_COD_EPH;
-                       break;
-               case OPT_LAZY:
-                       tccp->cblksty |= JPC_COX_LAZY;
-                       break;
-               case OPT_TERMALL:
-                       tccp->cblksty |= JPC_COX_TERMALL;
-                       break;
-               case OPT_SEGSYM:
-                       tccp->cblksty |= JPC_COX_SEGSYM;
-                       break;
-               case OPT_VCAUSAL:
-                       tccp->cblksty |= JPC_COX_VSC;
-                       break;
-               case OPT_RESET:
-                       tccp->cblksty |= JPC_COX_RESET;
-                       break;
-               case OPT_PTERM:
-                       tccp->cblksty |= JPC_COX_PTERM;
-                       break;
-               case OPT_NUMGBITS:
-                       cp->tccp.numgbits = atoi(jas_tvparser_getval(tvp));
-                       break;
-               case OPT_RATE:
-                       if (ratestrtosize(jas_tvparser_getval(tvp), cp->rawsize,
-                         &cp->totalsize)) {
-                               jas_eprintf("ignoring bad rate specifier %s\n",
-                                 jas_tvparser_getval(tvp));
-                       }
-                       break;
-               case OPT_ILYRRATES:
-                       if (jpc_atoaf(jas_tvparser_getval(tvp), &numilyrrates,
-                         &ilyrrates)) {
-                               jas_eprintf("warning: invalid intermediate layer rates specifier ignored (%s)\n",
-                                 jas_tvparser_getval(tvp));
-                       }
-                       break;
-
-               case OPT_JP2OVERHEAD:
-                       jp2overhead = atoi(jas_tvparser_getval(tvp));
-                       break;
-               default:
-                       jas_eprintf("warning: ignoring invalid option %s\n",
-                        jas_tvparser_gettag(tvp));
-                       break;
-               }
-       }
-
-       jas_tvparser_destroy(tvp);
-       tvp = 0;
-
-       if (cp->totalsize != UINT_FAST32_MAX) {
-               cp->totalsize = (cp->totalsize > jp2overhead) ?
-                 (cp->totalsize - jp2overhead) : 0;
-       }
-
-       if (cp->imgareatlx == UINT_FAST32_MAX) {
-               cp->imgareatlx = 0;
-       } else {
-               if (hsteplcm != 1) {
-                       jas_eprintf("warning: overriding imgareatlx value\n");
-               }
-               cp->imgareatlx *= hsteplcm;
-       }
-       if (cp->imgareatly == UINT_FAST32_MAX) {
-               cp->imgareatly = 0;
-       } else {
-               if (vsteplcm != 1) {
-                       jas_eprintf("warning: overriding imgareatly value\n");
-               }
-               cp->imgareatly *= vsteplcm;
-       }
-       cp->refgrdwidth = cp->imgareatlx + jas_image_width(image);
-       cp->refgrdheight = cp->imgareatly + jas_image_height(image);
-       if (cp->tilegrdoffx == UINT_FAST32_MAX) {
-               cp->tilegrdoffx = cp->imgareatlx;
-       }
-       if (cp->tilegrdoffy == UINT_FAST32_MAX) {
-               cp->tilegrdoffy = cp->imgareatly;
-       }
-       if (!cp->tilewidth) {
-               cp->tilewidth = cp->refgrdwidth - cp->tilegrdoffx;
-       }
-       if (!cp->tileheight) {
-               cp->tileheight = cp->refgrdheight - cp->tilegrdoffy;
-       }
-
-       if (cp->numcmpts == 3) {
-               mctvalid = true;
-               for (cmptno = 0; cmptno < jas_image_numcmpts(image); ++cmptno) {
-                       if (jas_image_cmptprec(image, cmptno) != jas_image_cmptprec(image, 0) ||
-                         jas_image_cmptsgnd(image, cmptno) != jas_image_cmptsgnd(image, 0) ||
-                         jas_image_cmptwidth(image, cmptno) != jas_image_cmptwidth(image, 0) ||
-                         jas_image_cmptheight(image, cmptno) != jas_image_cmptheight(image, 0)) {
-                               mctvalid = false;
-                       }
-               }
-       } else {
-               mctvalid = false;
-       }
-       if (mctvalid && enablemct && jas_clrspc_fam(jas_image_clrspc(image)) != JAS_CLRSPC_FAM_RGB) {
-               jas_eprintf("warning: color space apparently not RGB\n");
-       }
-       if (mctvalid && enablemct && jas_clrspc_fam(jas_image_clrspc(image)) == JAS_CLRSPC_FAM_RGB) {
-               tcp->mctid = (tcp->intmode) ? (JPC_MCT_RCT) : (JPC_MCT_ICT);
-       } else {
-               tcp->mctid = JPC_MCT_NONE;
-       }
-       tccp->qmfbid = (tcp->intmode) ? (JPC_COX_RFT) : (JPC_COX_INS);
-
-       for (rlvlno = 0; rlvlno < tccp->maxrlvls; ++rlvlno) {
-               tccp->prcwidthexpns[rlvlno] = prcwidthexpn;
-               tccp->prcheightexpns[rlvlno] = prcheightexpn;
-       }
-       if (prcwidthexpn != 15 || prcheightexpn != 15) {
-               tccp->csty |= JPC_COX_PRT;
-       }
-
-       /* Ensure that the tile width and height is valid. */
-       if (!cp->tilewidth) {
-               jas_eprintf("invalid tile width %lu\n", (unsigned long)
-                 cp->tilewidth);
-               goto error;
-       }
-       if (!cp->tileheight) {
-               jas_eprintf("invalid tile height %lu\n", (unsigned long)
-                 cp->tileheight);
-               goto error;
-       }
-
-       /* Ensure that the tile grid offset is valid. */
-       if (cp->tilegrdoffx > cp->imgareatlx ||
-         cp->tilegrdoffy > cp->imgareatly ||
-         cp->tilegrdoffx + cp->tilewidth < cp->imgareatlx ||
-         cp->tilegrdoffy + cp->tileheight < cp->imgareatly) {
-               jas_eprintf("invalid tile grid offset (%lu, %lu)\n",
-                 (unsigned long) cp->tilegrdoffx, (unsigned long)
-                 cp->tilegrdoffy);
-               goto error;
-       }
-
-       cp->numhtiles = JPC_CEILDIV(cp->refgrdwidth - cp->tilegrdoffx,
-         cp->tilewidth);
-       cp->numvtiles = JPC_CEILDIV(cp->refgrdheight - cp->tilegrdoffy,
-         cp->tileheight);
-       cp->numtiles = cp->numhtiles * cp->numvtiles;
-
-       if (ilyrrates && numilyrrates > 0) {
-               tcp->numlyrs = numilyrrates + 1;
-               if (!(tcp->ilyrrates = jas_malloc((tcp->numlyrs - 1) *
-                 sizeof(jpc_fix_t)))) {
-                       goto error;
-               }
-               for (i = 0; i < JAS_CAST(int, tcp->numlyrs - 1); ++i) {
-                       tcp->ilyrrates[i] = jpc_dbltofix(ilyrrates[i]);
-               }
-       }
-
-       /* Ensure that the integer mode is used in the case of lossless
-         coding. */
-       if (cp->totalsize == UINT_FAST32_MAX && (!cp->tcp.intmode)) {
-               jas_eprintf("cannot use real mode for lossless coding\n");
-               goto error;
-       }
-
-       /* Ensure that the precinct width is valid. */
-       if (prcwidthexpn > 15) {
-               jas_eprintf("invalid precinct width\n");
-               goto error;
-       }
-
-       /* Ensure that the precinct height is valid. */
-       if (prcheightexpn > 15) {
-               jas_eprintf("invalid precinct height\n");
-               goto error;
-       }
-
-       /* Ensure that the code block width is valid. */
-       if (cp->tccp.cblkwidthexpn < 2 || cp->tccp.cblkwidthexpn > 12) {
-               jas_eprintf("invalid code block width %d\n",
-                 JPC_POW2(cp->tccp.cblkwidthexpn));
-               goto error;
-       }
-
-       /* Ensure that the code block height is valid. */
-       if (cp->tccp.cblkheightexpn < 2 || cp->tccp.cblkheightexpn > 12) {
-               jas_eprintf("invalid code block height %d\n",
-                 JPC_POW2(cp->tccp.cblkheightexpn));
-               goto error;
-       }
-
-       /* Ensure that the code block size is not too large. */
-       if (cp->tccp.cblkwidthexpn + cp->tccp.cblkheightexpn > 12) {
-               jas_eprintf("code block size too large\n");
-               goto error;
-       }
-
-       /* Ensure that the number of layers is valid. */
-       if (cp->tcp.numlyrs > 16384) {
-               jas_eprintf("too many layers\n");
-               goto error;
-       }
-
-       /* There must be at least one resolution level. */
-       if (cp->tccp.maxrlvls < 1) {
-               jas_eprintf("must be at least one resolution level\n");
-               goto error;
-       }
-
-       /* Ensure that the number of guard bits is valid. */
-       if (cp->tccp.numgbits > 8) {
-               jas_eprintf("invalid number of guard bits\n");
-               goto error;
-       }
-
-       /* Ensure that the rate is within the legal range. */
-       if (cp->totalsize != UINT_FAST32_MAX && cp->totalsize > cp->rawsize) {
-               jas_eprintf("warning: specified rate is unreasonably large (%lu > %lu)\n", (unsigned long) cp->totalsize, (unsigned long) cp->rawsize);
-       }
-
-       /* Ensure that the intermediate layer rates are valid. */
-       if (tcp->numlyrs > 1) {
-               /* The intermediate layers rates must increase monotonically. */
-               for (lyrno = 0; lyrno + 2 < tcp->numlyrs; ++lyrno) {
-                       if (tcp->ilyrrates[lyrno] >= tcp->ilyrrates[lyrno + 1]) {
-                               jas_eprintf("intermediate layer rates must increase monotonically\n");
-                               goto error;
-                       }
-               }
-               /* The intermediate layer rates must be less than the overall rate. */
-               if (cp->totalsize != UINT_FAST32_MAX) {
-                       for (lyrno = 0; lyrno < tcp->numlyrs - 1; ++lyrno) {
-                               if (jpc_fixtodbl(tcp->ilyrrates[lyrno]) > ((double) cp->totalsize)
-                                 / cp->rawsize) {
-                                       jas_eprintf("warning: intermediate layer rates must be less than overall rate\n");
-                                       goto error;
-                               }
-                       }
-               }
-       }
-
-       if (ilyrrates) {
-               jas_free(ilyrrates);
-       }
-
-       return cp;
-
-error:
-
-       if (ilyrrates) {
-               jas_free(ilyrrates);
-       }
-       if (tvp) {
-               jas_tvparser_destroy(tvp);
-       }
-       if (cp) {
-               jpc_enc_cp_destroy(cp);
-       }
-       return 0;
-}
-
-void jpc_enc_cp_destroy(jpc_enc_cp_t *cp)
-{
-       if (cp->ccps) {
-               if (cp->tcp.ilyrrates) {
-                       jas_free(cp->tcp.ilyrrates);
-               }
-               jas_free(cp->ccps);
-       }
-       jas_free(cp);
-}
-
-int ratestrtosize(char *s, uint_fast32_t rawsize, uint_fast32_t *size)
-{
-       char *cp;
-       jpc_flt_t f;
-
-       /* Note: This function must not modify output size on failure. */
-       if ((cp = strchr(s, 'B'))) {
-               *size = atoi(s);
-       } else {
-               f = atof(s);
-               if (f < 0) {
-                       *size = 0;
-               } else if (f > 1.0) {
-                       *size = rawsize + 1;
-               } else {
-                       *size = f * rawsize;
-               }
-       }
-       return 0;
-}
-
-/******************************************************************************\
-* Encoder constructor and destructor.
-\******************************************************************************/
-
-jpc_enc_t *jpc_enc_create(jpc_enc_cp_t *cp, jas_stream_t *out, jas_image_t *image)
-{
-       jpc_enc_t *enc;
-
-       enc = 0;
-
-       if (!(enc = jas_malloc(sizeof(jpc_enc_t)))) {
-               goto error;
-       }
-
-       enc->image = image;
-       enc->out = out;
-       enc->cp = cp;
-       enc->cstate = 0;
-       enc->tmpstream = 0;
-       enc->mrk = 0;
-       enc->curtile = 0;
-
-       if (!(enc->cstate = jpc_cstate_create())) {
-               goto error;
-       }
-       enc->len = 0;
-       enc->mainbodysize = 0;
-
-       return enc;
-
-error:
-
-       if (enc) {
-               jpc_enc_destroy(enc);
-       }
-       return 0;
-}
-
-void jpc_enc_destroy(jpc_enc_t *enc)
-{
-       /* The image object (i.e., enc->image) and output stream object
-       (i.e., enc->out) are created outside of the encoder.
-       Therefore, they must not be destroyed here. */
-
-       if (enc->curtile) {
-               jpc_enc_tile_destroy(enc->curtile);
-       }
-       if (enc->cp) {
-               jpc_enc_cp_destroy(enc->cp);
-       }
-       if (enc->cstate) {
-               jpc_cstate_destroy(enc->cstate);
-       }
-       if (enc->tmpstream) {
-               jas_stream_close(enc->tmpstream);
-       }
-
-       jas_free(enc);
-}
-
-/******************************************************************************\
-* Code.
-\******************************************************************************/
-
-static int jpc_calcssmant(jpc_fix_t stepsize)
-{
-       int n;
-       int e;
-       int m;
-
-       n = jpc_firstone(stepsize);
-       e = n - JPC_FIX_FRACBITS;
-       if (n >= 11) {
-               m = (stepsize >> (n - 11)) & 0x7ff;
-       } else {
-               m = (stepsize & ((1 << n) - 1)) << (11 - n);
-       }
-       return m;
-}
-
-static int jpc_calcssexp(jpc_fix_t stepsize)
-{
-       return jpc_firstone(stepsize) - JPC_FIX_FRACBITS;
-}
-
-static int jpc_enc_encodemainhdr(jpc_enc_t *enc)
-{
-       jpc_siz_t *siz;
-       jpc_cod_t *cod;
-       jpc_qcd_t *qcd;
-       int i;
-long startoff;
-long mainhdrlen;
-       jpc_enc_cp_t *cp;
-       jpc_qcc_t *qcc;
-       jpc_enc_tccp_t *tccp;
-       uint_fast16_t cmptno;
-       jpc_tsfb_band_t bandinfos[JPC_MAXBANDS];
-       jpc_fix_t mctsynweight;
-       jpc_enc_tcp_t *tcp;
-       jpc_tsfb_t *tsfb;
-       jpc_tsfb_band_t *bandinfo;
-       uint_fast16_t numbands;
-       uint_fast16_t bandno;
-       uint_fast16_t rlvlno;
-       uint_fast16_t analgain;
-       jpc_fix_t absstepsize;
-       char buf[1024];
-       jpc_com_t *com;
-
-       cp = enc->cp;
-
-startoff = jas_stream_getrwcount(enc->out);
-
-       /* Write SOC marker segment. */
-       if (!(enc->mrk = jpc_ms_create(JPC_MS_SOC))) {
-               return -1;
-       }
-       if (jpc_putms(enc->out, enc->cstate, enc->mrk)) {
-               jas_eprintf("cannot write SOC marker\n");
-               return -1;
-       }
-       jpc_ms_destroy(enc->mrk);
-       enc->mrk = 0;
-
-       /* Write SIZ marker segment. */
-       if (!(enc->mrk = jpc_ms_create(JPC_MS_SIZ))) {
-               return -1;
-       }
-       siz = &enc->mrk->parms.siz;
-       siz->caps = 0;
-       siz->xoff = cp->imgareatlx;
-       siz->yoff = cp->imgareatly;
-       siz->width = cp->refgrdwidth;
-       siz->height = cp->refgrdheight;
-       siz->tilexoff = cp->tilegrdoffx;
-       siz->tileyoff = cp->tilegrdoffy;
-       siz->tilewidth = cp->tilewidth;
-       siz->tileheight = cp->tileheight;
-       siz->numcomps = cp->numcmpts;
-       siz->comps = jas_malloc(siz->numcomps * sizeof(jpc_sizcomp_t));
-       assert(siz->comps);
-       for (i = 0; i < JAS_CAST(int, cp->numcmpts); ++i) {
-               siz->comps[i].prec = cp->ccps[i].prec;
-               siz->comps[i].sgnd = cp->ccps[i].sgnd;
-               siz->comps[i].hsamp = cp->ccps[i].sampgrdstepx;
-               siz->comps[i].vsamp = cp->ccps[i].sampgrdstepy;
-       }
-       if (jpc_putms(enc->out, enc->cstate, enc->mrk)) {
-               jas_eprintf("cannot write SIZ marker\n");
-               return -1;
-       }
-       jpc_ms_destroy(enc->mrk);
-       enc->mrk = 0;
-
-       if (!(enc->mrk = jpc_ms_create(JPC_MS_COM))) {
-               return -1;
-       }
-       sprintf(buf, "Creator: JasPer Version %s", jas_getversion());
-       com = &enc->mrk->parms.com;
-       com->len = strlen(buf);
-       com->regid = JPC_COM_LATIN;
-       if (!(com->data = JAS_CAST(uchar *, jas_strdup(buf)))) {
-               abort();
-       }
-       if (jpc_putms(enc->out, enc->cstate, enc->mrk)) {
-               jas_eprintf("cannot write COM marker\n");
-               return -1;
-       }
-       jpc_ms_destroy(enc->mrk);
-       enc->mrk = 0;
-
-#if 0
-       if (!(enc->mrk = jpc_ms_create(JPC_MS_CRG))) {
-               return -1;
-       }
-       crg = &enc->mrk->parms.crg;
-       crg->comps = jas_malloc(crg->numcomps * sizeof(jpc_crgcomp_t));
-       if (jpc_putms(enc->out, enc->cstate, enc->mrk)) {
-               jas_eprintf("cannot write CRG marker\n");
-               return -1;
-       }
-       jpc_ms_destroy(enc->mrk);
-       enc->mrk = 0;
-#endif
-
-       tcp = &cp->tcp;
-       tccp = &cp->tccp;
-       for (cmptno = 0; cmptno < cp->numcmpts; ++cmptno) {
-               tsfb = jpc_cod_gettsfb(tccp->qmfbid, tccp->maxrlvls - 1);
-               jpc_tsfb_getbands(tsfb, 0, 0, 1 << tccp->maxrlvls, 1 << tccp->maxrlvls,
-                 bandinfos);
-               jpc_tsfb_destroy(tsfb);
-               mctsynweight = jpc_mct_getsynweight(tcp->mctid, cmptno);
-               numbands = 3 * tccp->maxrlvls - 2;
-               for (bandno = 0, bandinfo = bandinfos; bandno < numbands;
-                 ++bandno, ++bandinfo) {
-                       rlvlno = (bandno) ? ((bandno - 1) / 3 + 1) : 0;
-                       analgain = JPC_NOMINALGAIN(tccp->qmfbid, tccp->maxrlvls,
-                         rlvlno, bandinfo->orient);
-                       if (!tcp->intmode) {
-                               absstepsize = jpc_fix_div(jpc_inttofix(1 <<
-                                 (analgain + 1)), bandinfo->synenergywt);
-                       } else {
-                               absstepsize = jpc_inttofix(1);
-                       }       
-                       cp->ccps[cmptno].stepsizes[bandno] =
-                         jpc_abstorelstepsize(absstepsize,
-                         cp->ccps[cmptno].prec + analgain);
-               }
-               cp->ccps[cmptno].numstepsizes = numbands;
-       }
-
-       if (!(enc->mrk = jpc_ms_create(JPC_MS_COD))) {
-               return -1;
-       }
-       cod = &enc->mrk->parms.cod;
-       cod->csty = cp->tccp.csty | cp->tcp.csty;
-       cod->compparms.csty = cp->tccp.csty | cp->tcp.csty;
-       cod->compparms.numdlvls = cp->tccp.maxrlvls - 1;
-       cod->compparms.numrlvls = cp->tccp.maxrlvls;
-       cod->prg = cp->tcp.prg;
-       cod->numlyrs = cp->tcp.numlyrs;
-       cod->compparms.cblkwidthval = JPC_COX_CBLKSIZEEXPN(cp->tccp.cblkwidthexpn);
-       cod->compparms.cblkheightval = JPC_COX_CBLKSIZEEXPN(cp->tccp.cblkheightexpn);
-       cod->compparms.cblksty = cp->tccp.cblksty;
-       cod->compparms.qmfbid = cp->tccp.qmfbid;
-       cod->mctrans = (cp->tcp.mctid != JPC_MCT_NONE);
-       if (tccp->csty & JPC_COX_PRT) {
-               for (rlvlno = 0; rlvlno < tccp->maxrlvls; ++rlvlno) {
-                       cod->compparms.rlvls[rlvlno].parwidthval = tccp->prcwidthexpns[rlvlno];
-                       cod->compparms.rlvls[rlvlno].parheightval = tccp->prcheightexpns[rlvlno];
-               }
-       }
-       if (jpc_putms(enc->out, enc->cstate, enc->mrk)) {
-               jas_eprintf("cannot write COD marker\n");
-               return -1;
-       }
-       jpc_ms_destroy(enc->mrk);
-       enc->mrk = 0;
-
-       if (!(enc->mrk = jpc_ms_create(JPC_MS_QCD))) {
-               return -1;
-       }
-       qcd = &enc->mrk->parms.qcd;
-       qcd->compparms.qntsty = (tccp->qmfbid == JPC_COX_INS) ?
-         JPC_QCX_SEQNT : JPC_QCX_NOQNT;
-       qcd->compparms.numstepsizes = cp->ccps[0].numstepsizes;
-       qcd->compparms.numguard = cp->tccp.numgbits;
-       qcd->compparms.stepsizes = cp->ccps[0].stepsizes;
-       if (jpc_putms(enc->out, enc->cstate, enc->mrk)) {
-               return -1;
-       }
-       /* We do not want the step size array to be freed! */
-       qcd->compparms.stepsizes = 0;
-       jpc_ms_destroy(enc->mrk);
-       enc->mrk = 0;
-
-       tccp = &cp->tccp;
-       for (cmptno = 1; cmptno < cp->numcmpts; ++cmptno) {
-               if (!(enc->mrk = jpc_ms_create(JPC_MS_QCC))) {
-                       return -1;
-               }
-               qcc = &enc->mrk->parms.qcc;
-               qcc->compno = cmptno;
-               qcc->compparms.qntsty = (tccp->qmfbid == JPC_COX_INS) ?
-                 JPC_QCX_SEQNT : JPC_QCX_NOQNT;
-               qcc->compparms.numstepsizes = cp->ccps[cmptno].numstepsizes;
-               qcc->compparms.numguard = cp->tccp.numgbits;
-               qcc->compparms.stepsizes = cp->ccps[cmptno].stepsizes;
-               if (jpc_putms(enc->out, enc->cstate, enc->mrk)) {
-                       return -1;
-               }
-               /* We do not want the step size array to be freed! */
-               qcc->compparms.stepsizes = 0;
-               jpc_ms_destroy(enc->mrk);
-               enc->mrk = 0;
-       }
-
-#define MAINTLRLEN     2
-       mainhdrlen = jas_stream_getrwcount(enc->out) - startoff;
-       enc->len += mainhdrlen;
-       if (enc->cp->totalsize != UINT_FAST32_MAX) {
-               uint_fast32_t overhead;
-               overhead = mainhdrlen + MAINTLRLEN;
-               enc->mainbodysize = (enc->cp->totalsize >= overhead) ?
-                 (enc->cp->totalsize - overhead) : 0;
-       } else {
-               enc->mainbodysize = UINT_FAST32_MAX;
-       }
-
-       return 0;
-}
-
-static int jpc_enc_encodemainbody(jpc_enc_t *enc)
-{
-       int tileno;
-       int tilex;
-       int tiley;
-       int i;
-       jpc_sot_t *sot;
-       jpc_enc_tcmpt_t *comp;
-       jpc_enc_tcmpt_t *endcomps;
-       jpc_enc_band_t *band;
-       jpc_enc_band_t *endbands;
-       jpc_enc_rlvl_t *lvl;
-       int rlvlno;
-       jpc_qcc_t *qcc;
-       jpc_cod_t *cod;
-       int adjust;
-       int j;
-       int absbandno;
-       long numbytes;
-       long tilehdrlen;
-       long tilelen;
-       jpc_enc_tile_t *tile;
-       jpc_enc_cp_t *cp;
-       double rho;
-       int lyrno;
-       int cmptno;
-       int samestepsizes;
-       jpc_enc_ccp_t *ccps;
-       jpc_enc_tccp_t *tccp;
-int bandno;
-uint_fast32_t x;
-uint_fast32_t y;
-int mingbits;
-int actualnumbps;
-jpc_fix_t mxmag;
-jpc_fix_t mag;
-int numgbits;
-
-       cp = enc->cp;
-
-       /* Avoid compile warnings. */
-       numbytes = 0;
-
-       for (tileno = 0; tileno < JAS_CAST(int, cp->numtiles); ++tileno) {
-               tilex = tileno % cp->numhtiles;
-               tiley = tileno / cp->numhtiles;
-
-               if (!(enc->curtile = jpc_enc_tile_create(enc->cp, enc->image, tileno))) {
-                       abort();
-               }
-
-               tile = enc->curtile;
-
-               if (jas_getdbglevel() >= 10) {
-                       jpc_enc_dump(enc);
-               }
-
-               endcomps = &tile->tcmpts[tile->numtcmpts];
-               for (cmptno = 0, comp = tile->tcmpts; cmptno < tile->numtcmpts; ++cmptno, ++comp) {
-                       if (!cp->ccps[cmptno].sgnd) {
-                               adjust = 1 << (cp->ccps[cmptno].prec - 1);
-                               for (i = 0; i < jas_matrix_numrows(comp->data); ++i) {
-                                       for (j = 0; j < jas_matrix_numcols(comp->data); ++j) {
-                                               *jas_matrix_getref(comp->data, i, j) -= adjust;
-                                       }
-                               }
-                       }
-               }
-
-               if (!tile->intmode) {
-                               endcomps = &tile->tcmpts[tile->numtcmpts];
-                               for (comp = tile->tcmpts; comp != endcomps; ++comp) {
-                                       jas_matrix_asl(comp->data, JPC_FIX_FRACBITS);
-                               }
-               }
-
-               switch (tile->mctid) {
-               case JPC_MCT_RCT:
-assert(jas_image_numcmpts(enc->image) == 3);
-                       jpc_rct(tile->tcmpts[0].data, tile->tcmpts[1].data,
-                         tile->tcmpts[2].data);
-                       break;
-               case JPC_MCT_ICT:
-assert(jas_image_numcmpts(enc->image) == 3);
-                       jpc_ict(tile->tcmpts[0].data, tile->tcmpts[1].data,
-                         tile->tcmpts[2].data);
-                       break;
-               default:
-                       break;
-               }
-
-               for (i = 0; i < jas_image_numcmpts(enc->image); ++i) {
-                       comp = &tile->tcmpts[i];
-                       jpc_tsfb_analyze(comp->tsfb, comp->data);
-
-               }
-
-
-               endcomps = &tile->tcmpts[tile->numtcmpts];
-               for (cmptno = 0, comp = tile->tcmpts; comp != endcomps; ++cmptno, ++comp) {
-                       mingbits = 0;
-                       absbandno = 0;
-                       /* All bands must have a corresponding quantizer step size,
-                         even if they contain no samples and are never coded. */
-                       /* Some bands may not be hit by the loop below, so we must
-                         initialize all of the step sizes to a sane value. */
-                       memset(comp->stepsizes, 0, sizeof(comp->stepsizes));
-                       for (rlvlno = 0, lvl = comp->rlvls; rlvlno < comp->numrlvls; ++rlvlno, ++lvl) {
-                               if (!lvl->bands) {
-                                       absbandno += rlvlno ? 3 : 1;
-                                       continue;
-                               }
-                               endbands = &lvl->bands[lvl->numbands];
-                               for (band = lvl->bands; band != endbands; ++band) {
-                                       if (!band->data) {
-                                               ++absbandno;
-                                               continue;
-                                       }
-                                       actualnumbps = 0;
-                                       mxmag = 0;
-                                       for (y = 0; y < JAS_CAST(uint_fast32_t, jas_matrix_numrows(band->data)); ++y) {
-                                               for (x = 0; x < JAS_CAST(uint_fast32_t, jas_matrix_numcols(band->data)); ++x) {
-                                                       mag = abs(jas_matrix_get(band->data, y, x));
-                                                       if (mag > mxmag) {
-                                                               mxmag = mag;
-                                                       }
-                                               }
-                                       }
-                                       if (tile->intmode) {
-                                               actualnumbps = jpc_firstone(mxmag) + 1;
-                                       } else {
-                                               actualnumbps = jpc_firstone(mxmag) + 1 - JPC_FIX_FRACBITS;
-                                       }
-                                       numgbits = actualnumbps - (cp->ccps[cmptno].prec - 1 +
-                                         band->analgain);
-#if 0
-jas_eprintf("%d %d mag=%d actual=%d numgbits=%d\n", cp->ccps[cmptno].prec, band->analgain, mxmag, actualnumbps, numgbits);
-#endif
-                                       if (numgbits > mingbits) {
-                                               mingbits = numgbits;
-                                       }
-                                       if (!tile->intmode) {
-                                               band->absstepsize = jpc_fix_div(jpc_inttofix(1
-                                                 << (band->analgain + 1)),
-                                                 band->synweight);
-                                       } else {
-                                               band->absstepsize = jpc_inttofix(1);
-                                       }
-                                       band->stepsize = jpc_abstorelstepsize(
-                                         band->absstepsize, cp->ccps[cmptno].prec +
-                                         band->analgain);
-                                       band->numbps = cp->tccp.numgbits +
-                                         JPC_QCX_GETEXPN(band->stepsize) - 1;
-
-                                       if ((!tile->intmode) && band->data) {
-                                               jpc_quantize(band->data, band->absstepsize);
-                                       }
-
-                                       comp->stepsizes[absbandno] = band->stepsize;
-                                       ++absbandno;
-                               }
-                       }
-
-                       assert(JPC_FIX_FRACBITS >= JPC_NUMEXTRABITS);
-                       if (!tile->intmode) {
-                               jas_matrix_divpow2(comp->data, JPC_FIX_FRACBITS - JPC_NUMEXTRABITS);
-                       } else {
-                               jas_matrix_asl(comp->data, JPC_NUMEXTRABITS);
-                       }
-
-#if 0
-jas_eprintf("mingbits %d\n", mingbits);
-#endif
-                       if (mingbits > cp->tccp.numgbits) {
-                               jas_eprintf("error: too few guard bits (need at least %d)\n",
-                                 mingbits);
-                               return -1;
-                       }
-               }
-
-               if (!(enc->tmpstream = jas_stream_memopen(0, 0))) {
-                       jas_eprintf("cannot open tmp file\n");
-                       return -1;
-               }
-
-               /* Write the tile header. */
-               if (!(enc->mrk = jpc_ms_create(JPC_MS_SOT))) {
-                       return -1;
-               }
-               sot = &enc->mrk->parms.sot;
-               sot->len = 0;
-               sot->tileno = tileno;
-               sot->partno = 0;
-               sot->numparts = 1;
-               if (jpc_putms(enc->tmpstream, enc->cstate, enc->mrk)) {
-                       jas_eprintf("cannot write SOT marker\n");
-                       return -1;
-               }
-               jpc_ms_destroy(enc->mrk);
-               enc->mrk = 0;
-
-/************************************************************************/
-/************************************************************************/
-/************************************************************************/
-
-               tccp = &cp->tccp;
-               for (cmptno = 0; cmptno < JAS_CAST(int, cp->numcmpts); ++cmptno) {
-                       comp = &tile->tcmpts[cmptno];
-                       if (comp->numrlvls != tccp->maxrlvls) {
-                               if (!(enc->mrk = jpc_ms_create(JPC_MS_COD))) {
-                                       return -1;
-                               }
-/* XXX = this is not really correct. we are using comp #0's precint sizes
-and other characteristics */
-                               comp = &tile->tcmpts[0];
-                               cod = &enc->mrk->parms.cod;
-                               cod->compparms.csty = 0;
-                               cod->compparms.numdlvls = comp->numrlvls - 1;
-                               cod->prg = tile->prg;
-                               cod->numlyrs = tile->numlyrs;
-                               cod->compparms.cblkwidthval = JPC_COX_CBLKSIZEEXPN(comp->cblkwidthexpn);
-                               cod->compparms.cblkheightval = JPC_COX_CBLKSIZEEXPN(comp->cblkheightexpn);
-                               cod->compparms.cblksty = comp->cblksty;
-                               cod->compparms.qmfbid = comp->qmfbid;
-                               cod->mctrans = (tile->mctid != JPC_MCT_NONE);
-                               for (i = 0; i < comp->numrlvls; ++i) {
-                                       cod->compparms.rlvls[i].parwidthval = comp->rlvls[i].prcwidthexpn;
-                                       cod->compparms.rlvls[i].parheightval = comp->rlvls[i].prcheightexpn;
-                               }
-                               if (jpc_putms(enc->tmpstream, enc->cstate, enc->mrk)) {
-                                       return -1;
-                               }
-                               jpc_ms_destroy(enc->mrk);
-                               enc->mrk = 0;
-                       }
-               }
-
-               for (cmptno = 0, comp = tile->tcmpts; cmptno < JAS_CAST(int, cp->numcmpts); ++cmptno, ++comp) {
-                       ccps = &cp->ccps[cmptno];
-                       if (JAS_CAST(int, ccps->numstepsizes) == comp->numstepsizes) {
-                               samestepsizes = 1;
-                               for (bandno = 0; bandno < JAS_CAST(int, ccps->numstepsizes); ++bandno) {
-                                       if (ccps->stepsizes[bandno] != comp->stepsizes[bandno]) {
-                                               samestepsizes = 0;
-                                               break;
-                                       }
-                               }
-                       } else {
-                               samestepsizes = 0;
-                       }
-                       if (!samestepsizes) {
-                               if (!(enc->mrk = jpc_ms_create(JPC_MS_QCC))) {
-                                       return -1;
-                               }
-                               qcc = &enc->mrk->parms.qcc;
-                               qcc->compno = cmptno;
-                               qcc->compparms.numguard = cp->tccp.numgbits;
-                               qcc->compparms.qntsty = (comp->qmfbid == JPC_COX_INS) ?
-                                 JPC_QCX_SEQNT : JPC_QCX_NOQNT;
-                               qcc->compparms.numstepsizes = comp->numstepsizes;
-                               qcc->compparms.stepsizes = comp->stepsizes;
-                               if (jpc_putms(enc->tmpstream, enc->cstate, enc->mrk)) {
-                                       return -1;
-                               }
-                               qcc->compparms.stepsizes = 0;
-                               jpc_ms_destroy(enc->mrk);
-                               enc->mrk = 0;
-                       }
-               }
-
-               /* Write a SOD marker to indicate the end of the tile header. */
-               if (!(enc->mrk = jpc_ms_create(JPC_MS_SOD))) {
-                       return -1;
-               }
-               if (jpc_putms(enc->tmpstream, enc->cstate, enc->mrk)) {
-                       jas_eprintf("cannot write SOD marker\n");
-                       return -1;
-               }
-               jpc_ms_destroy(enc->mrk);
-               enc->mrk = 0;
-tilehdrlen = jas_stream_getrwcount(enc->tmpstream);
-
-/************************************************************************/
-/************************************************************************/
-/************************************************************************/
-
-if (jpc_enc_enccblks(enc)) {
-       abort();
-       return -1;
-}
-
-               cp = enc->cp;
-               rho = (double) (tile->brx - tile->tlx) * (tile->bry - tile->tly) /
-                 ((cp->refgrdwidth - cp->imgareatlx) * (cp->refgrdheight -
-                 cp->imgareatly));
-               tile->rawsize = cp->rawsize * rho;
-
-               for (lyrno = 0; lyrno < tile->numlyrs - 1; ++lyrno) {
-                       tile->lyrsizes[lyrno] = tile->rawsize * jpc_fixtodbl(
-                         cp->tcp.ilyrrates[lyrno]);
-               }
-               tile->lyrsizes[tile->numlyrs - 1] = (cp->totalsize != UINT_FAST32_MAX) ?
-                 (rho * enc->mainbodysize) : UINT_FAST32_MAX;
-               for (lyrno = 0; lyrno < tile->numlyrs; ++lyrno) {
-                       if (tile->lyrsizes[lyrno] != UINT_FAST32_MAX) {
-                               if (tilehdrlen <= JAS_CAST(long, tile->lyrsizes[lyrno])) {
-                                       tile->lyrsizes[lyrno] -= tilehdrlen;
-                               } else {
-                                       tile->lyrsizes[lyrno] = 0;
-                               }
-                       }
-               }
-
-               if (rateallocate(enc, tile->numlyrs, tile->lyrsizes)) {
-                       return -1;
-               }
-
-#if 0
-jas_eprintf("ENCODE TILE DATA\n");
-#endif
-               if (jpc_enc_encodetiledata(enc)) {
-                       jas_eprintf("dotile failed\n");
-                       return -1;
-               }
-
-/************************************************************************/
-/************************************************************************/
-/************************************************************************/
-
-/************************************************************************/
-/************************************************************************/
-/************************************************************************/
-
-               tilelen = jas_stream_tell(enc->tmpstream);
-
-               if (jas_stream_seek(enc->tmpstream, 6, SEEK_SET) < 0) {
-                       return -1;
-               }
-               jpc_putuint32(enc->tmpstream, tilelen);
-
-               if (jas_stream_seek(enc->tmpstream, 0, SEEK_SET) < 0) {
-                       return -1;
-               }
-               if (jpc_putdata(enc->out, enc->tmpstream, -1)) {
-                       return -1;
-               }
-               enc->len += tilelen;
-
-               jas_stream_close(enc->tmpstream);
-               enc->tmpstream = 0;
-
-               jpc_enc_tile_destroy(enc->curtile);
-               enc->curtile = 0;
-
-       }
-
-       return 0;
-}
-
-int jpc_enc_encodetiledata(jpc_enc_t *enc)
-{
-assert(enc->tmpstream);
-       if (jpc_enc_encpkts(enc, enc->tmpstream)) {
-               return -1;
-       }
-       return 0;
-}
-
-int dump_passes(jpc_enc_pass_t *passes, int numpasses, jpc_enc_cblk_t *cblk)
-{
-       jpc_enc_pass_t *pass;
-       int i;
-       jas_stream_memobj_t *smo;
-
-       smo = cblk->stream->obj_;
-
-       pass = passes;
-       for (i = 0; i < numpasses; ++i) {
-               jas_eprintf("start=%d end=%d type=%d term=%d lyrno=%d firstchar=%02x size=%ld pos=%ld\n",
-                 (int)pass->start, (int)pass->end, (int)pass->type, (int)pass->term, (int)pass->lyrno,
-                 smo->buf_[pass->start], (long)smo->len_, (long)smo->pos_);
-#if 0
-               jas_memdump(stderr, &smo->buf_[pass->start], pass->end - pass->start);
-#endif
-               ++pass;
-       }
-       return 0;
-}
-
-void jpc_quantize(jas_matrix_t *data, jpc_fix_t stepsize)
-{
-       int i;
-       int j;
-       jpc_fix_t t;
-
-       if (stepsize == jpc_inttofix(1)) {
-               return;
-       }
-
-       for (i = 0; i < jas_matrix_numrows(data); ++i) {
-               for (j = 0; j < jas_matrix_numcols(data); ++j) {
-                       t = jas_matrix_get(data, i, j);
-
-{
-       if (t < 0) {
-               t = jpc_fix_neg(jpc_fix_div(jpc_fix_neg(t), stepsize));
-       } else {
-               t = jpc_fix_div(t, stepsize);
-       }
-}
-
-                       jas_matrix_set(data, i, j, t);
-               }
-       }
-}
-
-void calcrdslopes(jpc_enc_cblk_t *cblk)
-{
-       jpc_enc_pass_t *endpasses;
-       jpc_enc_pass_t *pass0;
-       jpc_enc_pass_t *pass1;
-       jpc_enc_pass_t *pass2;
-       jpc_flt_t slope0;
-       jpc_flt_t slope;
-       jpc_flt_t dd;
-       long dr;
-
-       endpasses = &cblk->passes[cblk->numpasses];
-       pass2 = cblk->passes;
-       slope0 = 0;
-       while (pass2 != endpasses) {
-               pass0 = 0;
-               for (pass1 = cblk->passes; pass1 != endpasses; ++pass1) {
-                       dd = pass1->cumwmsedec;
-                       dr = pass1->end;
-                       if (pass0) {
-                               dd -= pass0->cumwmsedec;
-                               dr -= pass0->end;
-                       }
-                       if (dd <= 0) {
-                               pass1->rdslope = JPC_BADRDSLOPE;
-                               if (pass1 >= pass2) {
-                                       pass2 = &pass1[1];
-                               }
-                               continue;
-                       }
-                       if (pass1 < pass2 && pass1->rdslope <= 0) {
-                               continue;
-                       }
-                       if (!dr) {
-                               assert(pass0);
-                               pass0->rdslope = 0;
-                               break;
-                       }
-                       slope = dd / dr;
-                       if (pass0 && slope >= slope0) {
-                               pass0->rdslope = 0;
-                               break;
-                       }
-                       pass1->rdslope = slope;
-                       if (pass1 >= pass2) {
-                               pass2 = &pass1[1];
-                       }
-                       pass0 = pass1;
-                       slope0 = slope;
-               }
-       }
-
-#if 0
-       for (pass0 = cblk->passes; pass0 != endpasses; ++pass0) {
-if (pass0->rdslope > 0.0) {
-               jas_eprintf("pass %02d nmsedec=%lf dec=%lf end=%d %lf\n", pass0 - cblk->passes,
-                 fixtodbl(pass0->nmsedec), pass0->wmsedec, pass0->end, pass0->rdslope);
-}
-       }
-#endif
-}
-
-void dump_layeringinfo(jpc_enc_t *enc)
-{
-
-       jpc_enc_tcmpt_t *tcmpt;
-       int tcmptno;
-       jpc_enc_rlvl_t *rlvl;
-       int rlvlno;
-       jpc_enc_band_t *band;
-       int bandno;
-       jpc_enc_prc_t *prc;
-       int prcno;
-       jpc_enc_cblk_t *cblk;
-       int cblkno;
-       jpc_enc_pass_t *pass;
-       int passno;
-       int lyrno;
-       jpc_enc_tile_t *tile;
-
-       tile = enc->curtile;
-
-       for (lyrno = 0; lyrno < tile->numlyrs; ++lyrno) {
-               jas_eprintf("lyrno = %02d\n", lyrno);
-               for (tcmptno = 0, tcmpt = tile->tcmpts; tcmptno < tile->numtcmpts;
-                 ++tcmptno, ++tcmpt) {
-                       for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls;
-                         ++rlvlno, ++rlvl) {
-                               if (!rlvl->bands) {
-                                       continue;
-                               }
-                               for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands;
-                                 ++bandno, ++band) {
-                                       if (!band->data) {
-                                               continue;
-                                       }
-                                       for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs;
-                                         ++prcno, ++prc) {
-                                               if (!prc->cblks) {
-                                                       continue;
-                                               }
-                                               for (cblkno = 0, cblk = prc->cblks; cblkno <
-                                                 prc->numcblks; ++cblkno, ++cblk) {
-                                                       for (passno = 0, pass = cblk->passes; passno <
-                                                         cblk->numpasses && pass->lyrno == lyrno;
-                                                         ++passno, ++pass) {
-                                                               jas_eprintf("lyrno=%02d cmptno=%02d rlvlno=%02d bandno=%02d prcno=%02d cblkno=%03d passno=%03d\n", lyrno, tcmptno, rlvlno, bandno, prcno, cblkno, passno);
-                                                       }
-                                               }
-                                       }
-                               }
-                       }
-               }
-       }
-}
-
-int rateallocate(jpc_enc_t *enc, int numlyrs, uint_fast32_t *cumlens)
-{
-       jpc_flt_t lo;
-       jpc_flt_t hi;
-       jas_stream_t *out;
-       long cumlen;
-       int lyrno;
-       jpc_flt_t thresh;
-       jpc_flt_t goodthresh;
-       int success;
-       long pos;
-       long oldpos;
-       int numiters;
-
-       jpc_enc_tcmpt_t *comp;
-       jpc_enc_tcmpt_t *endcomps;
-       jpc_enc_rlvl_t *lvl;
-       jpc_enc_rlvl_t *endlvls;
-       jpc_enc_band_t *band;
-       jpc_enc_band_t *endbands;
-       jpc_enc_cblk_t *cblk;
-       jpc_enc_cblk_t *endcblks;
-       jpc_enc_pass_t *pass;
-       jpc_enc_pass_t *endpasses;
-       jpc_enc_pass_t *pass1;
-       jpc_flt_t mxrdslope;
-       jpc_flt_t mnrdslope;
-       jpc_enc_tile_t *tile;
-       jpc_enc_prc_t *prc;
-       int prcno;
-
-       tile = enc->curtile;
-
-       for (lyrno = 1; lyrno < numlyrs - 1; ++lyrno) {
-               if (cumlens[lyrno - 1] > cumlens[lyrno]) {
-                       abort();
-               }
-       }
-
-       if (!(out = jas_stream_memopen(0, 0))) {
-               return -1;
-       }
-
-
-       /* Find minimum and maximum R-D slope values. */
-       mnrdslope = DBL_MAX;
-       mxrdslope = 0;
-       endcomps = &tile->tcmpts[tile->numtcmpts];
-       for (comp = tile->tcmpts; comp != endcomps; ++comp) {
-               endlvls = &comp->rlvls[comp->numrlvls];
-               for (lvl = comp->rlvls; lvl != endlvls; ++lvl) {
-                       if (!lvl->bands) {
-                               continue;
-                       }
-                       endbands = &lvl->bands[lvl->numbands];
-                       for (band = lvl->bands; band != endbands; ++band) {
-                               if (!band->data) {
-                                       continue;
-                               }
-                               for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) {
-                                       if (!prc->cblks) {
-                                               continue;
-                                       }
-                                       endcblks = &prc->cblks[prc->numcblks];
-                                       for (cblk = prc->cblks; cblk != endcblks; ++cblk) {
-                                               calcrdslopes(cblk);
-                                               endpasses = &cblk->passes[cblk->numpasses];
-                                               for (pass = cblk->passes; pass != endpasses; ++pass) {
-                                                       if (pass->rdslope > 0) {
-                                                               if (pass->rdslope < mnrdslope) {
-                                                                       mnrdslope = pass->rdslope;
-                                                               }
-                                                               if (pass->rdslope > mxrdslope) {
-                                                                       mxrdslope = pass->rdslope;
-                                                               }
-                                                       }
-                                               }
-                                       }
-                               }
-                       }
-               }
-       }
-if (jas_getdbglevel()) {
-       jas_eprintf("min rdslope = %f max rdslope = %f\n", mnrdslope, mxrdslope);
-}
-
-       jpc_init_t2state(enc, 1);
-
-       for (lyrno = 0; lyrno < numlyrs; ++lyrno) {
-
-               lo = mnrdslope;
-               hi = mxrdslope;
-
-               success = 0;
-               goodthresh = 0;
-               numiters = 0;
-
-               do {
-
-                       cumlen = cumlens[lyrno];
-                       if (cumlen == UINT_FAST32_MAX) {
-                               /* Only the last layer can be free of a rate
-                                 constraint (e.g., for lossless coding). */
-                               assert(lyrno == numlyrs - 1);
-                               goodthresh = -1;
-                               success = 1;
-                               break;
-                       }
-
-                       thresh = (lo + hi) / 2;
-
-                       /* Save the tier 2 coding state. */
-                       jpc_save_t2state(enc);
-                       oldpos = jas_stream_tell(out);
-                       assert(oldpos >= 0);
-
-                       /* Assign all passes with R-D slopes greater than or
-                         equal to the current threshold to this layer. */
-                       endcomps = &tile->tcmpts[tile->numtcmpts];
-                       for (comp = tile->tcmpts; comp != endcomps; ++comp) {
-                               endlvls = &comp->rlvls[comp->numrlvls];
-                               for (lvl = comp->rlvls; lvl != endlvls; ++lvl) {
-                                       if (!lvl->bands) {
-                                               continue;
-                                       }
-                                       endbands = &lvl->bands[lvl->numbands];
-                                       for (band = lvl->bands; band != endbands; ++band) {
-                                               if (!band->data) {
-                                                       continue;
-                                               }
-                                               for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) {
-                                                       if (!prc->cblks) {
-                                                               continue;
-                                                       }
-                                                       endcblks = &prc->cblks[prc->numcblks];
-                                                       for (cblk = prc->cblks; cblk != endcblks; ++cblk) {
-                                                               if (cblk->curpass) {
-                                                                       endpasses = &cblk->passes[cblk->numpasses];
-                                                                       pass1 = cblk->curpass;
-                                                                       for (pass = cblk->curpass; pass != endpasses; ++pass) {
-                                                                               if (pass->rdslope >= thresh) {
-                                                                                       pass1 = &pass[1];
-                                                                               }
-                                                                       }
-                                                                       for (pass = cblk->curpass; pass != pass1; ++pass) {
-                                                                               pass->lyrno = lyrno;
-                                                                       }
-                                                                       for (; pass != endpasses; ++pass) {
-                                                                               pass->lyrno = -1;
-                                                                       }
-                                                               }
-                                                       }
-                                               }
-                                       }
-                               }
-                       }
-
-                       /* Perform tier 2 coding. */
-                       endcomps = &tile->tcmpts[tile->numtcmpts];
-                       for (comp = tile->tcmpts; comp != endcomps; ++comp) {
-                               endlvls = &comp->rlvls[comp->numrlvls];
-                               for (lvl = comp->rlvls; lvl != endlvls; ++lvl) {
-                                       if (!lvl->bands) {
-                                               continue;
-                                       }
-                                       for (prcno = 0; prcno < lvl->numprcs; ++prcno) {
-                                               if (jpc_enc_encpkt(enc, out, comp - tile->tcmpts, lvl - comp->rlvls, prcno, lyrno)) {
-                                                       return -1;
-                                               }
-                                       }
-                               }
-                       }
-
-                       pos = jas_stream_tell(out);
-
-                       /* Check the rate constraint. */
-                       assert(pos >= 0);
-                       if (pos > cumlen) {
-                               /* The rate is too high. */
-                               lo = thresh;
-                       } else if (pos <= cumlen) {
-                               /* The rate is low enough, so try higher. */
-                               hi = thresh;
-                               if (!success || thresh < goodthresh) {
-                                       goodthresh = thresh;
-                                       success = 1;
-                               }
-                       }
-
-                       /* Save the tier 2 coding state. */
-                       jpc_restore_t2state(enc);
-                       if (jas_stream_seek(out, oldpos, SEEK_SET) < 0) {
-                               abort();
-                       }
-
-if (jas_getdbglevel()) {
-jas_eprintf("maxlen=%08ld actuallen=%08ld thresh=%f\n", cumlen, pos, thresh);
-}
-
-                       ++numiters;
-               } while (lo < hi - 1e-3 && numiters < 32);
-
-               if (!success) {
-                       jas_eprintf("warning: empty layer generated\n");
-               }
-
-if (jas_getdbglevel()) {
-jas_eprintf("success %d goodthresh %f\n", success, goodthresh);
-}
-
-               /* Assign all passes with R-D slopes greater than or
-                 equal to the selected threshold to this layer. */
-               endcomps = &tile->tcmpts[tile->numtcmpts];
-               for (comp = tile->tcmpts; comp != endcomps; ++comp) {
-                       endlvls = &comp->rlvls[comp->numrlvls];
-                       for (lvl = comp->rlvls; lvl != endlvls; ++lvl) {
-if (!lvl->bands) {
-       continue;
-}
-                               endbands = &lvl->bands[lvl->numbands];
-                               for (band = lvl->bands; band != endbands; ++band) {
-                                       if (!band->data) {
-                                               continue;
-                                       }
-                                       for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) {
-                                               if (!prc->cblks) {
-                                                       continue;
-                                               }
-                                               endcblks = &prc->cblks[prc->numcblks];
-                                               for (cblk = prc->cblks; cblk != endcblks; ++cblk) {
-                                                       if (cblk->curpass) {
-                                                               endpasses = &cblk->passes[cblk->numpasses];
-                                                               pass1 = cblk->curpass;
-                                                               if (success) {
-                                                                       for (pass = cblk->curpass; pass != endpasses; ++pass) {
-                                                                               if (pass->rdslope >= goodthresh) {
-                                                                                       pass1 = &pass[1];
-                                                                               }
-                                                                       }
-                                                               }
-                                                               for (pass = cblk->curpass; pass != pass1; ++pass) {
-                                                                       pass->lyrno = lyrno;
-                                                               }
-                                                               for (; pass != endpasses; ++pass) {
-                                                                       pass->lyrno = -1;
-                                                               }
-                                                       }
-                                               }
-                                       }
-                               }
-                       }
-               }
-
-               /* Perform tier 2 coding. */
-               endcomps = &tile->tcmpts[tile->numtcmpts];
-               for (comp = tile->tcmpts; comp != endcomps; ++comp) {
-                       endlvls = &comp->rlvls[comp->numrlvls];
-                       for (lvl = comp->rlvls; lvl != endlvls; ++lvl) {
-                               if (!lvl->bands) {
-                                       continue;
-                               }
-                               for (prcno = 0; prcno < lvl->numprcs; ++prcno) {
-                                       if (jpc_enc_encpkt(enc, out, comp - tile->tcmpts, lvl - comp->rlvls, prcno, lyrno)) {
-                                               return -1;
-                                       }
-                               }
-                       }
-               }
-       }
-
-       if (jas_getdbglevel() >= 5) {
-               dump_layeringinfo(enc);
-       }
-
-       jas_stream_close(out);
-
-       JAS_DBGLOG(10, ("done doing rateallocation\n"));
-#if 0
-jas_eprintf("DONE RATE ALLOCATE\n");
-#endif
-
-       return 0;
-}
-
-/******************************************************************************\
-* Tile constructors and destructors.
-\******************************************************************************/
-
-jpc_enc_tile_t *jpc_enc_tile_create(jpc_enc_cp_t *cp, jas_image_t *image, int tileno)
-{
-       jpc_enc_tile_t *tile;
-       uint_fast32_t htileno;
-       uint_fast32_t vtileno;
-       uint_fast16_t lyrno;
-       uint_fast16_t cmptno;
-       jpc_enc_tcmpt_t *tcmpt;
-
-       if (!(tile = jas_malloc(sizeof(jpc_enc_tile_t)))) {
-               goto error;
-       }
-
-       /* Initialize a few members used in error recovery. */
-       tile->tcmpts = 0;
-       tile->lyrsizes = 0;
-       tile->numtcmpts = cp->numcmpts;
-       tile->pi = 0;
-
-       tile->tileno = tileno;
-       htileno = tileno % cp->numhtiles;
-       vtileno = tileno / cp->numhtiles;
-
-       /* Calculate the coordinates of the top-left and bottom-right
-         corners of the tile. */
-       tile->tlx = JAS_MAX(cp->tilegrdoffx + htileno * cp->tilewidth,
-         cp->imgareatlx);
-       tile->tly = JAS_MAX(cp->tilegrdoffy + vtileno * cp->tileheight,
-         cp->imgareatly);
-       tile->brx = JAS_MIN(cp->tilegrdoffx + (htileno + 1) * cp->tilewidth,
-         cp->refgrdwidth);
-       tile->bry = JAS_MIN(cp->tilegrdoffy + (vtileno + 1) * cp->tileheight,
-         cp->refgrdheight);
-
-       /* Initialize some tile coding parameters. */
-       tile->intmode = cp->tcp.intmode;
-       tile->csty = cp->tcp.csty;
-       tile->prg = cp->tcp.prg;
-       tile->mctid = cp->tcp.mctid;
-
-       tile->numlyrs = cp->tcp.numlyrs;
-       if (!(tile->lyrsizes = jas_malloc(tile->numlyrs *
-         sizeof(uint_fast32_t)))) {
-               goto error;
-       }
-       for (lyrno = 0; lyrno < tile->numlyrs; ++lyrno) {
-               tile->lyrsizes[lyrno] = 0;
-       }
-
-       /* Allocate an array for the per-tile-component information. */
-       if (!(tile->tcmpts = jas_malloc(cp->numcmpts * sizeof(jpc_enc_tcmpt_t)))) {
-               goto error;
-       }
-       /* Initialize a few members critical for error recovery. */
-       for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < cp->numcmpts;
-         ++cmptno, ++tcmpt) {
-               tcmpt->rlvls = 0;
-               tcmpt->tsfb = 0;
-               tcmpt->data = 0;
-       }
-       /* Initialize the per-tile-component information. */
-       for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < cp->numcmpts;
-         ++cmptno, ++tcmpt) {
-               if (!tcmpt_create(tcmpt, cp, image, tile)) {
-                       goto error;
-               }
-       }
-
-       /* Initialize the synthesis weights for the MCT. */
-       switch (tile->mctid) {
-       case JPC_MCT_RCT:
-               tile->tcmpts[0].synweight = jpc_dbltofix(sqrt(3.0));
-               tile->tcmpts[1].synweight = jpc_dbltofix(sqrt(0.6875));
-               tile->tcmpts[2].synweight = jpc_dbltofix(sqrt(0.6875));
-               break;
-       case JPC_MCT_ICT:
-               tile->tcmpts[0].synweight = jpc_dbltofix(sqrt(3.0000));
-               tile->tcmpts[1].synweight = jpc_dbltofix(sqrt(3.2584));
-               tile->tcmpts[2].synweight = jpc_dbltofix(sqrt(2.4755));
-               break;
-       default:
-       case JPC_MCT_NONE:
-               for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < cp->numcmpts;
-                 ++cmptno, ++tcmpt) {
-                       tcmpt->synweight = JPC_FIX_ONE;
-               }
-               break;
-       }
-
-       if (!(tile->pi = jpc_enc_pi_create(cp, tile))) {
-               goto error;
-       }
-
-       return tile;
-
-error:
-
-       if (tile) {
-               jpc_enc_tile_destroy(tile);
-       }
-       return 0;
-}
-
-void jpc_enc_tile_destroy(jpc_enc_tile_t *tile)
-{
-       jpc_enc_tcmpt_t *tcmpt;
-       uint_fast16_t cmptno;
-
-       if (tile->tcmpts) {
-               for (cmptno = 0, tcmpt = tile->tcmpts; cmptno <
-                 tile->numtcmpts; ++cmptno, ++tcmpt) {
-                       tcmpt_destroy(tcmpt);
-               }
-               jas_free(tile->tcmpts);
-       }
-       if (tile->lyrsizes) {
-               jas_free(tile->lyrsizes);
-       }
-       if (tile->pi) {
-               jpc_pi_destroy(tile->pi);
-       }
-       jas_free(tile);
-}
-
-static jpc_enc_tcmpt_t *tcmpt_create(jpc_enc_tcmpt_t *tcmpt, jpc_enc_cp_t *cp,
-  jas_image_t *image, jpc_enc_tile_t *tile)
-{
-       uint_fast16_t cmptno;
-       uint_fast16_t rlvlno;
-       jpc_enc_rlvl_t *rlvl;
-       uint_fast32_t tlx;
-       uint_fast32_t tly;
-       uint_fast32_t brx;
-       uint_fast32_t bry;
-       uint_fast32_t cmpttlx;
-       uint_fast32_t cmpttly;
-       jpc_enc_ccp_t *ccp;
-       jpc_tsfb_band_t bandinfos[JPC_MAXBANDS];
-
-       tcmpt->tile = tile;
-       tcmpt->tsfb = 0;
-       tcmpt->data = 0;
-       tcmpt->rlvls = 0;
-
-       /* Deduce the component number. */
-       cmptno = tcmpt - tile->tcmpts;
-
-       ccp = &cp->ccps[cmptno];
-
-       /* Compute the coordinates of the top-left and bottom-right
-         corners of this tile-component. */
-       tlx = JPC_CEILDIV(tile->tlx, ccp->sampgrdstepx);
-       tly = JPC_CEILDIV(tile->tly, ccp->sampgrdstepy);
-       brx = JPC_CEILDIV(tile->brx, ccp->sampgrdstepx);
-       bry = JPC_CEILDIV(tile->bry, ccp->sampgrdstepy);
-
-       /* Create a sequence to hold the tile-component sample data. */
-       if (!(tcmpt->data = jas_seq2d_create(tlx, tly, brx, bry))) {
-               goto error;
-       }
-
-       /* Get the image data associated with this tile-component. */
-       cmpttlx = JPC_CEILDIV(cp->imgareatlx, ccp->sampgrdstepx);
-       cmpttly = JPC_CEILDIV(cp->imgareatly, ccp->sampgrdstepy);
-       if (jas_image_readcmpt(image, cmptno, tlx - cmpttlx, tly - cmpttly,
-         brx - tlx, bry - tly, tcmpt->data)) {
-               goto error;
-       }
-
-       tcmpt->synweight = 0;
-       tcmpt->qmfbid = cp->tccp.qmfbid;
-       tcmpt->numrlvls = cp->tccp.maxrlvls;
-       tcmpt->numbands = 3 * tcmpt->numrlvls - 2;
-       if (!(tcmpt->tsfb = jpc_cod_gettsfb(tcmpt->qmfbid, tcmpt->numrlvls - 1))) {
-               goto error;
-       }
-
-       for (rlvlno = 0; rlvlno < tcmpt->numrlvls; ++rlvlno) {
-               tcmpt->prcwidthexpns[rlvlno] = cp->tccp.prcwidthexpns[rlvlno];
-               tcmpt->prcheightexpns[rlvlno] = cp->tccp.prcheightexpns[rlvlno];
-       }
-       tcmpt->cblkwidthexpn = cp->tccp.cblkwidthexpn;
-       tcmpt->cblkheightexpn = cp->tccp.cblkheightexpn;
-       tcmpt->cblksty = cp->tccp.cblksty;
-       tcmpt->csty = cp->tccp.csty;
-
-       tcmpt->numstepsizes = tcmpt->numbands;
-       assert(tcmpt->numstepsizes <= JPC_MAXBANDS);
-       memset(tcmpt->stepsizes, 0, sizeof(tcmpt->numstepsizes *
-         sizeof(uint_fast16_t)));
-
-       /* Retrieve information about the various bands. */
-       jpc_tsfb_getbands(tcmpt->tsfb, jas_seq2d_xstart(tcmpt->data),
-         jas_seq2d_ystart(tcmpt->data), jas_seq2d_xend(tcmpt->data),
-         jas_seq2d_yend(tcmpt->data), bandinfos);
-
-       if (!(tcmpt->rlvls = jas_malloc(tcmpt->numrlvls * sizeof(jpc_enc_rlvl_t)))) {
-               goto error;
-       }
-       for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls;
-         ++rlvlno, ++rlvl) {
-               rlvl->bands = 0;
-               rlvl->tcmpt = tcmpt;
-       }
-       for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls;
-         ++rlvlno, ++rlvl) {
-               if (!rlvl_create(rlvl, cp, tcmpt, bandinfos)) {
-                       goto error;
-               }
-       }
-
-       return tcmpt;
-
-error:
-
-       tcmpt_destroy(tcmpt);
-       return 0;
-
-}
-
-static void tcmpt_destroy(jpc_enc_tcmpt_t *tcmpt)
-{
-       jpc_enc_rlvl_t *rlvl;
-       uint_fast16_t rlvlno;
-
-       if (tcmpt->rlvls) {
-               for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls;
-                 ++rlvlno, ++rlvl) {
-                       rlvl_destroy(rlvl);
-               }
-               jas_free(tcmpt->rlvls);
-       }
-
-       if (tcmpt->data) {
-               jas_seq2d_destroy(tcmpt->data);
-       }
-       if (tcmpt->tsfb) {
-               jpc_tsfb_destroy(tcmpt->tsfb);
-       }
-}
-
-static jpc_enc_rlvl_t *rlvl_create(jpc_enc_rlvl_t *rlvl, jpc_enc_cp_t *cp,
-  jpc_enc_tcmpt_t *tcmpt, jpc_tsfb_band_t *bandinfos)
-{
-       uint_fast16_t rlvlno;
-       uint_fast32_t tlprctlx;
-       uint_fast32_t tlprctly;
-       uint_fast32_t brprcbrx;
-       uint_fast32_t brprcbry;
-       uint_fast16_t bandno;
-       jpc_enc_band_t *band;
-
-       /* Deduce the resolution level. */
-       rlvlno = rlvl - tcmpt->rlvls;
-
-       /* Initialize members required for error recovery. */
-       rlvl->bands = 0;
-       rlvl->tcmpt = tcmpt;
-
-       /* Compute the coordinates of the top-left and bottom-right
-         corners of the tile-component at this resolution. */
-       rlvl->tlx = JPC_CEILDIVPOW2(jas_seq2d_xstart(tcmpt->data), tcmpt->numrlvls -
-         1 - rlvlno);
-       rlvl->tly = JPC_CEILDIVPOW2(jas_seq2d_ystart(tcmpt->data), tcmpt->numrlvls -
-         1 - rlvlno);
-       rlvl->brx = JPC_CEILDIVPOW2(jas_seq2d_xend(tcmpt->data), tcmpt->numrlvls -
-         1 - rlvlno);
-       rlvl->bry = JPC_CEILDIVPOW2(jas_seq2d_yend(tcmpt->data), tcmpt->numrlvls -
-         1 - rlvlno);
-
-       if (rlvl->tlx >= rlvl->brx || rlvl->tly >= rlvl->bry) {
-               rlvl->numhprcs = 0;
-               rlvl->numvprcs = 0;
-               rlvl->numprcs = 0;
-               return rlvl;
-       }
-
-       rlvl->numbands = (!rlvlno) ? 1 : 3;
-       rlvl->prcwidthexpn = cp->tccp.prcwidthexpns[rlvlno];
-       rlvl->prcheightexpn = cp->tccp.prcheightexpns[rlvlno];
-       if (!rlvlno) {
-               rlvl->cbgwidthexpn = rlvl->prcwidthexpn;
-               rlvl->cbgheightexpn = rlvl->prcheightexpn;
-       } else {
-               rlvl->cbgwidthexpn = rlvl->prcwidthexpn - 1;
-               rlvl->cbgheightexpn = rlvl->prcheightexpn - 1;
-       }
-       rlvl->cblkwidthexpn = JAS_MIN(cp->tccp.cblkwidthexpn, rlvl->cbgwidthexpn);
-       rlvl->cblkheightexpn = JAS_MIN(cp->tccp.cblkheightexpn, rlvl->cbgheightexpn);
-
-       /* Compute the number of precincts. */
-       tlprctlx = JPC_FLOORTOMULTPOW2(rlvl->tlx, rlvl->prcwidthexpn);
-       tlprctly = JPC_FLOORTOMULTPOW2(rlvl->tly, rlvl->prcheightexpn);
-       brprcbrx = JPC_CEILTOMULTPOW2(rlvl->brx, rlvl->prcwidthexpn);
-       brprcbry = JPC_CEILTOMULTPOW2(rlvl->bry, rlvl->prcheightexpn);
-       rlvl->numhprcs = JPC_FLOORDIVPOW2(brprcbrx - tlprctlx, rlvl->prcwidthexpn);
-       rlvl->numvprcs = JPC_FLOORDIVPOW2(brprcbry - tlprctly, rlvl->prcheightexpn);
-       rlvl->numprcs = rlvl->numhprcs * rlvl->numvprcs;
-
-       if (!(rlvl->bands = jas_malloc(rlvl->numbands * sizeof(jpc_enc_band_t)))) {
-               goto error;
-       }
-       for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands;
-         ++bandno, ++band) {
-               band->prcs = 0;
-               band->data = 0;
-               band->rlvl = rlvl;
-       }
-       for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands;
-         ++bandno, ++band) {
-               if (!band_create(band, cp, rlvl, bandinfos)) {
-                       goto error;
-               }
-       }
-
-       return rlvl;
-error:
-
-       rlvl_destroy(rlvl);
-       return 0;
-}
-
-static void rlvl_destroy(jpc_enc_rlvl_t *rlvl)
-{
-       jpc_enc_band_t *band;
-       uint_fast16_t bandno;
-
-       if (rlvl->bands) {
-               for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands;
-                 ++bandno, ++band) {
-                       band_destroy(band);
-               }
-               jas_free(rlvl->bands);
-       }
-}
-
-static jpc_enc_band_t *band_create(jpc_enc_band_t *band, jpc_enc_cp_t *cp,
-  jpc_enc_rlvl_t *rlvl, jpc_tsfb_band_t *bandinfos)
-{
-       uint_fast16_t bandno;
-       uint_fast16_t gblbandno;
-       uint_fast16_t rlvlno;
-       jpc_tsfb_band_t *bandinfo;
-       jpc_enc_tcmpt_t *tcmpt;
-       uint_fast32_t prcno;
-       jpc_enc_prc_t *prc;
-
-       tcmpt = rlvl->tcmpt;
-       band->data = 0;
-       band->prcs = 0;
-       band->rlvl = rlvl;
-
-       /* Deduce the resolution level and band number. */
-       rlvlno = rlvl - rlvl->tcmpt->rlvls;
-       bandno = band - rlvl->bands;
-       gblbandno = (!rlvlno) ? 0 : (3 * (rlvlno - 1) + bandno + 1);
-
-       bandinfo = &bandinfos[gblbandno];
-
-if (bandinfo->xstart != bandinfo->xend && bandinfo->ystart != bandinfo->yend) {
-       if (!(band->data = jas_seq2d_create(0, 0, 0, 0))) {
-               goto error;
-       }
-       jas_seq2d_bindsub(band->data, tcmpt->data, bandinfo->locxstart,
-         bandinfo->locystart, bandinfo->locxend, bandinfo->locyend);
-       jas_seq2d_setshift(band->data, bandinfo->xstart, bandinfo->ystart);
-}
-       band->orient = bandinfo->orient;
-       band->analgain = JPC_NOMINALGAIN(cp->tccp.qmfbid, tcmpt->numrlvls, rlvlno,
-         band->orient);
-       band->numbps = 0;
-       band->absstepsize = 0;
-       band->stepsize = 0;
-       band->synweight = bandinfo->synenergywt;
-
-if (band->data) {
-       if (!(band->prcs = jas_malloc(rlvl->numprcs * sizeof(jpc_enc_prc_t)))) {
-               goto error;
-       }
-       for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs; ++prcno,
-         ++prc) {
-               prc->cblks = 0;
-               prc->incltree = 0;
-               prc->nlibtree = 0;
-               prc->savincltree = 0;
-               prc->savnlibtree = 0;
-               prc->band = band;
-       }
-       for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs; ++prcno,
-         ++prc) {
-               if (!prc_create(prc, cp, band)) {
-                       goto error;
-               }
-       }
-}
-
-       return band;
-
-error:
-       band_destroy(band);
-       return 0;
-}
-
-static void band_destroy(jpc_enc_band_t *band)
-{
-       jpc_enc_prc_t *prc;
-       jpc_enc_rlvl_t *rlvl;
-       uint_fast32_t prcno;
-
-       if (band->prcs) {
-               rlvl = band->rlvl;
-               for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs;
-                 ++prcno, ++prc) {
-                       prc_destroy(prc);
-               }
-               jas_free(band->prcs);
-       }
-       if (band->data) {
-               jas_seq2d_destroy(band->data);
-       }
-}
-
-static jpc_enc_prc_t *prc_create(jpc_enc_prc_t *prc, jpc_enc_cp_t *cp, jpc_enc_band_t *band)
-{
-       uint_fast32_t prcno;
-       uint_fast32_t prcxind;
-       uint_fast32_t prcyind;
-       uint_fast32_t cbgtlx;
-       uint_fast32_t cbgtly;
-       uint_fast32_t tlprctlx;
-       uint_fast32_t tlprctly;
-       uint_fast32_t tlcbgtlx;
-       uint_fast32_t tlcbgtly;
-       uint_fast16_t rlvlno;
-       jpc_enc_rlvl_t *rlvl;
-       uint_fast32_t tlcblktlx;
-       uint_fast32_t tlcblktly;
-       uint_fast32_t brcblkbrx;
-       uint_fast32_t brcblkbry;
-       uint_fast32_t cblkno;
-       jpc_enc_cblk_t *cblk;
-       jpc_enc_tcmpt_t *tcmpt;
-
-       prc->cblks = 0;
-       prc->incltree = 0;
-       prc->savincltree = 0;
-       prc->nlibtree = 0;
-       prc->savnlibtree = 0;
-
-       rlvl = band->rlvl;
-       tcmpt = rlvl->tcmpt;
-rlvlno = rlvl - tcmpt->rlvls;
-       prcno = prc - band->prcs;
-       prcxind = prcno % rlvl->numhprcs;
-       prcyind = prcno / rlvl->numhprcs;
-       prc->band = band;
-
-tlprctlx = JPC_FLOORTOMULTPOW2(rlvl->tlx, rlvl->prcwidthexpn);
-tlprctly = JPC_FLOORTOMULTPOW2(rlvl->tly, rlvl->prcheightexpn);
-if (!rlvlno) {
-       tlcbgtlx = tlprctlx;
-       tlcbgtly = tlprctly;
-} else {
-       tlcbgtlx = JPC_CEILDIVPOW2(tlprctlx, 1);
-       tlcbgtly = JPC_CEILDIVPOW2(tlprctly, 1);
-}
-
-       /* Compute the coordinates of the top-left and bottom-right
-         corners of the precinct. */
-       cbgtlx = tlcbgtlx + (prcxind << rlvl->cbgwidthexpn);
-       cbgtly = tlcbgtly + (prcyind << rlvl->cbgheightexpn);
-       prc->tlx = JAS_MAX(jas_seq2d_xstart(band->data), cbgtlx);
-       prc->tly = JAS_MAX(jas_seq2d_ystart(band->data), cbgtly);
-       prc->brx = JAS_MIN(jas_seq2d_xend(band->data), cbgtlx +
-         (1 << rlvl->cbgwidthexpn));
-       prc->bry = JAS_MIN(jas_seq2d_yend(band->data), cbgtly +
-         (1 << rlvl->cbgheightexpn));
-
-       if (prc->tlx < prc->brx && prc->tly < prc->bry) {
-               /* The precinct contains at least one code block. */
-
-               tlcblktlx = JPC_FLOORTOMULTPOW2(prc->tlx, rlvl->cblkwidthexpn);
-               tlcblktly = JPC_FLOORTOMULTPOW2(prc->tly, rlvl->cblkheightexpn);
-               brcblkbrx = JPC_CEILTOMULTPOW2(prc->brx, rlvl->cblkwidthexpn);
-               brcblkbry = JPC_CEILTOMULTPOW2(prc->bry, rlvl->cblkheightexpn);
-               prc->numhcblks = JPC_FLOORDIVPOW2(brcblkbrx - tlcblktlx,
-                 rlvl->cblkwidthexpn);
-               prc->numvcblks = JPC_FLOORDIVPOW2(brcblkbry - tlcblktly,
-                 rlvl->cblkheightexpn);
-               prc->numcblks = prc->numhcblks * prc->numvcblks;
-
-               if (!(prc->incltree = jpc_tagtree_create(prc->numhcblks,
-                 prc->numvcblks))) {
-                       goto error;
-               }
-               if (!(prc->nlibtree = jpc_tagtree_create(prc->numhcblks,
-                 prc->numvcblks))) {
-                       goto error;
-               }
-               if (!(prc->savincltree = jpc_tagtree_create(prc->numhcblks,
-                 prc->numvcblks))) {
-                       goto error;
-               }
-               if (!(prc->savnlibtree = jpc_tagtree_create(prc->numhcblks,
-                 prc->numvcblks))) {
-                       goto error;
-               }
-
-               if (!(prc->cblks = jas_malloc(prc->numcblks * sizeof(jpc_enc_cblk_t)))) {
-                       goto error;
-               }
-               for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks;
-                 ++cblkno, ++cblk) {
-                       cblk->passes = 0;
-                       cblk->stream = 0;
-                       cblk->mqenc = 0;
-                       cblk->data = 0;
-                       cblk->flags = 0;
-                       cblk->prc = prc;
-               }
-               for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks;
-                 ++cblkno, ++cblk) {
-                       if (!cblk_create(cblk, cp, prc)) {
-                               goto error;
-                       }
-               }
-       } else {
-               /* The precinct does not contain any code blocks. */
-               prc->tlx = prc->brx;
-               prc->tly = prc->bry;
-               prc->numcblks = 0;
-               prc->numhcblks = 0;
-               prc->numvcblks = 0;
-               prc->cblks = 0;
-               prc->incltree = 0;
-               prc->nlibtree = 0;
-               prc->savincltree = 0;
-               prc->savnlibtree = 0;
-       }
-
-       return prc;
-
-error:
-       prc_destroy(prc);
-       return 0;
-}
-
-static void prc_destroy(jpc_enc_prc_t *prc)
-{
-       jpc_enc_cblk_t *cblk;
-       uint_fast32_t cblkno;
-
-       if (prc->cblks) {
-               for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks;
-                 ++cblkno, ++cblk) {
-                       cblk_destroy(cblk);
-               }
-               jas_free(prc->cblks);
-       }
-       if (prc->incltree) {
-               jpc_tagtree_destroy(prc->incltree);
-       }
-       if (prc->nlibtree) {
-               jpc_tagtree_destroy(prc->nlibtree);
-       }
-       if (prc->savincltree) {
-               jpc_tagtree_destroy(prc->savincltree);
-       }
-       if (prc->savnlibtree) {
-               jpc_tagtree_destroy(prc->savnlibtree);
-       }
-}
-
-static jpc_enc_cblk_t *cblk_create(jpc_enc_cblk_t *cblk, jpc_enc_cp_t *cp, jpc_enc_prc_t *prc)
-{
-       jpc_enc_band_t *band;
-       uint_fast32_t cblktlx;
-       uint_fast32_t cblktly;
-       uint_fast32_t cblkbrx;
-       uint_fast32_t cblkbry;
-       jpc_enc_rlvl_t *rlvl;
-       uint_fast32_t cblkxind;
-       uint_fast32_t cblkyind;
-       uint_fast32_t cblkno;
-       uint_fast32_t tlcblktlx;
-       uint_fast32_t tlcblktly;
-
-       cblkno = cblk - prc->cblks;
-       cblkxind = cblkno % prc->numhcblks;
-       cblkyind = cblkno / prc->numhcblks;
-       rlvl = prc->band->rlvl;
-       cblk->prc = prc;
-
-       cblk->numpasses = 0;
-       cblk->passes = 0;
-       cblk->numencpasses = 0;
-       cblk->numimsbs = 0;
-       cblk->numlenbits = 0;
-       cblk->stream = 0;
-       cblk->mqenc = 0;
-       cblk->flags = 0;
-       cblk->numbps = 0;
-       cblk->curpass = 0;
-       cblk->data = 0;
-       cblk->savedcurpass = 0;
-       cblk->savednumlenbits = 0;
-       cblk->savednumencpasses = 0;
-
-       band = prc->band;
-       tlcblktlx = JPC_FLOORTOMULTPOW2(prc->tlx, rlvl->cblkwidthexpn);
-       tlcblktly = JPC_FLOORTOMULTPOW2(prc->tly, rlvl->cblkheightexpn);
-       cblktlx = JAS_MAX(tlcblktlx + (cblkxind << rlvl->cblkwidthexpn), prc->tlx);
-       cblktly = JAS_MAX(tlcblktly + (cblkyind << rlvl->cblkheightexpn), prc->tly);
-       cblkbrx = JAS_MIN(tlcblktlx + ((cblkxind + 1) << rlvl->cblkwidthexpn),
-         prc->brx);
-       cblkbry = JAS_MIN(tlcblktly + ((cblkyind + 1) << rlvl->cblkheightexpn),
-         prc->bry);
-
-       assert(cblktlx < cblkbrx && cblktly < cblkbry);
-       if (!(cblk->data = jas_seq2d_create(0, 0, 0, 0))) {
-               goto error;
-       }
-       jas_seq2d_bindsub(cblk->data, band->data, cblktlx, cblktly, cblkbrx, cblkbry);
-
-       return cblk;
-
-error:
-       cblk_destroy(cblk);
-       return 0;
-}
-
-static void cblk_destroy(jpc_enc_cblk_t *cblk)
-{
-       uint_fast16_t passno;
-       jpc_enc_pass_t *pass;
-       if (cblk->passes) {
-               for (passno = 0, pass = cblk->passes; passno < cblk->numpasses;
-                 ++passno, ++pass) {
-                       pass_destroy(pass);
-               }
-               jas_free(cblk->passes);
-       }
-       if (cblk->stream) {
-               jas_stream_close(cblk->stream);
-       }
-       if (cblk->mqenc) {
-               jpc_mqenc_destroy(cblk->mqenc);
-       }
-       if (cblk->data) {
-               jas_seq2d_destroy(cblk->data);
-       }
-       if (cblk->flags) {
-               jas_seq2d_destroy(cblk->flags);
-       }
-}
-
-static void pass_destroy(jpc_enc_pass_t *pass)
-{
-       /* XXX - need to free resources here */
-}
-
-void jpc_enc_dump(jpc_enc_t *enc)
-{
-       jpc_enc_tile_t *tile;
-       jpc_enc_tcmpt_t *tcmpt;
-       jpc_enc_rlvl_t *rlvl;
-       jpc_enc_band_t *band;
-       jpc_enc_prc_t *prc;
-       jpc_enc_cblk_t *cblk;
-       uint_fast16_t cmptno;
-       uint_fast16_t rlvlno;
-       uint_fast16_t bandno;
-       uint_fast32_t prcno;
-       uint_fast32_t cblkno;
-
-       tile = enc->curtile;
-
-       for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < tile->numtcmpts; ++cmptno,
-         ++tcmpt) {
-               jas_eprintf("  tcmpt %5d %5d %5d %5d\n", jas_seq2d_xstart(tcmpt->data), jas_seq2d_ystart(tcmpt->data), jas_seq2d_xend(tcmpt->data), jas_seq2d_yend(tcmpt->data));
-               for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls;
-                 ++rlvlno, ++rlvl) {
-                       jas_eprintf("    rlvl %5d %5d %5d %5d\n", rlvl->tlx, rlvl->tly, rlvl->brx, rlvl->bry);
-                       for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands;
-                         ++bandno, ++band) {
-                               if (!band->data) {
-                                       continue;
-                               }
-                               jas_eprintf("      band %5d %5d %5d %5d\n", jas_seq2d_xstart(band->data), jas_seq2d_ystart(band->data), jas_seq2d_xend(band->data), jas_seq2d_yend(band->data));
-                               for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs;
-                                 ++prcno, ++prc) {
-                                       jas_eprintf("        prc %5d %5d %5d %5d (%5d %5d)\n", prc->tlx, prc->tly, prc->brx, prc->bry, prc->brx - prc->tlx, prc->bry - prc->tly);
-                                       if (!prc->cblks) {
-                                               continue;
-                                       }
-                                       for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks;
-                                         ++cblkno, ++cblk) {
-                                               jas_eprintf("         cblk %5d %5d %5d %5d\n", jas_seq2d_xstart(cblk->data), jas_seq2d_ystart(cblk->data), jas_seq2d_xend(cblk->data), jas_seq2d_yend(cblk->data));
-                                       }
-                               }
-                       }
-               }
-       }
-}