/* * 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__ */ /* * $Id$ */ /******************************************************************************\ * Includes. \******************************************************************************/ #include #include #include #include #include #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)); } } } } } }