--- /dev/null
+/*
+ * 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));
+ }
+ }
+ }
+ }
+ }
+}
projects / opencv / blobdiff