diff options
Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/jpc/jpc_dec.c')
| -rw-r--r-- | src/3rdparty/jasper/src/libjasper/jpc/jpc_dec.c | 2305 |
1 files changed, 0 insertions, 2305 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/jpc/jpc_dec.c b/src/3rdparty/jasper/src/libjasper/jpc/jpc_dec.c deleted file mode 100644 index 240f1af..0000000 --- a/src/3rdparty/jasper/src/libjasper/jpc/jpc_dec.c +++ /dev/null @@ -1,2305 +0,0 @@ -/* - * Copyright (c) 1999-2000 Image Power, Inc. and the University of - * British Columbia. - * Copyright (c) 2001-2003 Michael David Adams. - * All rights reserved. - */ - -/* __START_OF_JASPER_LICENSE__ - * - * JasPer License Version 2.0 - * - * Copyright (c) 2001-2006 Michael David Adams - * Copyright (c) 1999-2000 Image Power, Inc. - * Copyright (c) 1999-2000 The University of British Columbia - * - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person (the - * "User") obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, and/or sell copies of the Software, and to permit - * persons to whom the Software is furnished to do so, subject to the - * following conditions: - * - * 1. The above copyright notices and this permission notice (which - * includes the disclaimer below) shall be included in all copies or - * substantial portions of the Software. - * - * 2. The name of a copyright holder shall not be used to endorse or - * promote products derived from the Software without specific prior - * written permission. - * - * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS - * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER - * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS - * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING - * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO - * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL - * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING - * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION - * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE - * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE - * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. - * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS - * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL - * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS - * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE - * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE - * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL - * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, - * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL - * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH - * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, - * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH - * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY - * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. - * - * __END_OF_JASPER_LICENSE__ - */ - -/* - * $Id$ - */ - -/******************************************************************************\ -* Includes. -\******************************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <assert.h> - -#include "jasper/jas_types.h" -#include "jasper/jas_math.h" -#include "jasper/jas_tvp.h" -#include "jasper/jas_malloc.h" -#include "jasper/jas_debug.h" - -#include "jpc_fix.h" -#include "jpc_dec.h" -#include "jpc_cs.h" -#include "jpc_mct.h" -#include "jpc_t2dec.h" -#include "jpc_t1dec.h" -#include "jpc_math.h" - -/******************************************************************************\ -* -\******************************************************************************/ - -#define JPC_MHSOC 0x0001 - /* In the main header, expecting a SOC marker segment. */ -#define JPC_MHSIZ 0x0002 - /* In the main header, expecting a SIZ marker segment. */ -#define JPC_MH 0x0004 - /* In the main header, expecting "other" marker segments. */ -#define JPC_TPHSOT 0x0008 - /* In a tile-part header, expecting a SOT marker segment. */ -#define JPC_TPH 0x0010 - /* In a tile-part header, expecting "other" marker segments. */ -#define JPC_MT 0x0020 - /* In the main trailer. */ - -typedef struct { - - uint_fast16_t id; - /* The marker segment type. */ - - int validstates; - /* The states in which this type of marker segment can be - validly encountered. */ - - int (*action)(jpc_dec_t *dec, jpc_ms_t *ms); - /* The action to take upon encountering this type of marker segment. */ - -} jpc_dec_mstabent_t; - -/******************************************************************************\ -* -\******************************************************************************/ - -/* COD/COC parameters have been specified. */ -#define JPC_CSET 0x0001 -/* QCD/QCC parameters have been specified. */ -#define JPC_QSET 0x0002 -/* COD/COC parameters set from a COC marker segment. */ -#define JPC_COC 0x0004 -/* QCD/QCC parameters set from a QCC marker segment. */ -#define JPC_QCC 0x0008 - -/******************************************************************************\ -* Local function prototypes. -\******************************************************************************/ - -static int jpc_dec_dump(jpc_dec_t *dec, FILE *out); - -jpc_ppxstab_t *jpc_ppxstab_create(void); -void jpc_ppxstab_destroy(jpc_ppxstab_t *tab); -int jpc_ppxstab_grow(jpc_ppxstab_t *tab, int maxents); -int jpc_ppxstab_insert(jpc_ppxstab_t *tab, jpc_ppxstabent_t *ent); -jpc_streamlist_t *jpc_ppmstabtostreams(jpc_ppxstab_t *tab); -int jpc_pptstabwrite(jas_stream_t *out, jpc_ppxstab_t *tab); -jpc_ppxstabent_t *jpc_ppxstabent_create(void); -void jpc_ppxstabent_destroy(jpc_ppxstabent_t *ent); - -int jpc_streamlist_numstreams(jpc_streamlist_t *streamlist); -jpc_streamlist_t *jpc_streamlist_create(void); -int jpc_streamlist_insert(jpc_streamlist_t *streamlist, int streamno, - jas_stream_t *stream); -jas_stream_t *jpc_streamlist_remove(jpc_streamlist_t *streamlist, int streamno); -void jpc_streamlist_destroy(jpc_streamlist_t *streamlist); -jas_stream_t *jpc_streamlist_get(jpc_streamlist_t *streamlist, int streamno); - -static void jpc_dec_cp_resetflags(jpc_dec_cp_t *cp); -static jpc_dec_cp_t *jpc_dec_cp_create(uint_fast16_t numcomps); -static int jpc_dec_cp_isvalid(jpc_dec_cp_t *cp); -static jpc_dec_cp_t *jpc_dec_cp_copy(jpc_dec_cp_t *cp); -static int jpc_dec_cp_setfromcod(jpc_dec_cp_t *cp, jpc_cod_t *cod); -static int jpc_dec_cp_setfromcoc(jpc_dec_cp_t *cp, jpc_coc_t *coc); -static int jpc_dec_cp_setfromcox(jpc_dec_cp_t *cp, jpc_dec_ccp_t *ccp, - jpc_coxcp_t *compparms, int flags); -static int jpc_dec_cp_setfromqcd(jpc_dec_cp_t *cp, jpc_qcd_t *qcd); -static int jpc_dec_cp_setfromqcc(jpc_dec_cp_t *cp, jpc_qcc_t *qcc); -static int jpc_dec_cp_setfromqcx(jpc_dec_cp_t *cp, jpc_dec_ccp_t *ccp, - jpc_qcxcp_t *compparms, int flags); -static int jpc_dec_cp_setfromrgn(jpc_dec_cp_t *cp, jpc_rgn_t *rgn); -static int jpc_dec_cp_prepare(jpc_dec_cp_t *cp); -static void jpc_dec_cp_destroy(jpc_dec_cp_t *cp); -static int jpc_dec_cp_setfrompoc(jpc_dec_cp_t *cp, jpc_poc_t *poc, int reset); -static int jpc_pi_addpchgfrompoc(jpc_pi_t *pi, jpc_poc_t *poc); - -static int jpc_dec_decode(jpc_dec_t *dec); -static jpc_dec_t *jpc_dec_create(jpc_dec_importopts_t *impopts, jas_stream_t *in); -static void jpc_dec_destroy(jpc_dec_t *dec); -static void jpc_dequantize(jas_matrix_t *x, jpc_fix_t absstepsize); -static void jpc_undo_roi(jas_matrix_t *x, int roishift, int bgshift, int numbps); -static jpc_fix_t jpc_calcabsstepsize(int stepsize, int numbits); -static int jpc_dec_tiledecode(jpc_dec_t *dec, jpc_dec_tile_t *tile); -static int jpc_dec_tileinit(jpc_dec_t *dec, jpc_dec_tile_t *tile); -static int jpc_dec_tilefini(jpc_dec_t *dec, jpc_dec_tile_t *tile); -static int jpc_dec_process_soc(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_sot(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_sod(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_eoc(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_siz(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_cod(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_coc(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_rgn(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_qcd(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_qcc(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_poc(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_ppm(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_ppt(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_com(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_unk(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_process_crg(jpc_dec_t *dec, jpc_ms_t *ms); -static int jpc_dec_parseopts(char *optstr, jpc_dec_importopts_t *opts); - -static jpc_dec_mstabent_t *jpc_dec_mstab_lookup(uint_fast16_t id); - -/******************************************************************************\ -* Global data. -\******************************************************************************/ - -jpc_dec_mstabent_t jpc_dec_mstab[] = { - {JPC_MS_SOC, JPC_MHSOC, jpc_dec_process_soc}, - {JPC_MS_SOT, JPC_MH | JPC_TPHSOT, jpc_dec_process_sot}, - {JPC_MS_SOD, JPC_TPH, jpc_dec_process_sod}, - {JPC_MS_EOC, JPC_TPHSOT, jpc_dec_process_eoc}, - {JPC_MS_SIZ, JPC_MHSIZ, jpc_dec_process_siz}, - {JPC_MS_COD, JPC_MH | JPC_TPH, jpc_dec_process_cod}, - {JPC_MS_COC, JPC_MH | JPC_TPH, jpc_dec_process_coc}, - {JPC_MS_RGN, JPC_MH | JPC_TPH, jpc_dec_process_rgn}, - {JPC_MS_QCD, JPC_MH | JPC_TPH, jpc_dec_process_qcd}, - {JPC_MS_QCC, JPC_MH | JPC_TPH, jpc_dec_process_qcc}, - {JPC_MS_POC, JPC_MH | JPC_TPH, jpc_dec_process_poc}, - {JPC_MS_TLM, JPC_MH, 0}, - {JPC_MS_PLM, JPC_MH, 0}, - {JPC_MS_PLT, JPC_TPH, 0}, - {JPC_MS_PPM, JPC_MH, jpc_dec_process_ppm}, - {JPC_MS_PPT, JPC_TPH, jpc_dec_process_ppt}, - {JPC_MS_SOP, 0, 0}, - {JPC_MS_CRG, JPC_MH, jpc_dec_process_crg}, - {JPC_MS_COM, JPC_MH | JPC_TPH, jpc_dec_process_com}, - {0, JPC_MH | JPC_TPH, jpc_dec_process_unk} -}; - -/******************************************************************************\ -* The main entry point for the JPEG-2000 decoder. -\******************************************************************************/ - -jas_image_t *jpc_decode(jas_stream_t *in, char *optstr) -{ - jpc_dec_importopts_t opts; - jpc_dec_t *dec; - jas_image_t *image; - - dec = 0; - - if (jpc_dec_parseopts(optstr, &opts)) { - goto error; - } - - jpc_initluts(); - - if (!(dec = jpc_dec_create(&opts, in))) { - goto error; - } - - /* Do most of the work. */ - if (jpc_dec_decode(dec)) { - goto error; - } - - if (jas_image_numcmpts(dec->image) >= 3) { - jas_image_setclrspc(dec->image, JAS_CLRSPC_SRGB); - jas_image_setcmpttype(dec->image, 0, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R)); - jas_image_setcmpttype(dec->image, 1, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G)); - jas_image_setcmpttype(dec->image, 2, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)); - } else { - jas_image_setclrspc(dec->image, JAS_CLRSPC_SGRAY); - jas_image_setcmpttype(dec->image, 0, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y)); - } - - /* Save the return value. */ - image = dec->image; - - /* Stop the image from being discarded. */ - dec->image = 0; - - /* Destroy decoder. */ - jpc_dec_destroy(dec); - - return image; - -error: - if (dec) { - jpc_dec_destroy(dec); - } - return 0; -} - -typedef enum { - OPT_MAXLYRS, - OPT_MAXPKTS, - OPT_DEBUG -} optid_t; - -jas_taginfo_t decopts[] = { - {OPT_MAXLYRS, "maxlyrs"}, - {OPT_MAXPKTS, "maxpkts"}, - {OPT_DEBUG, "debug"}, - {-1, 0} -}; - -static int jpc_dec_parseopts(char *optstr, jpc_dec_importopts_t *opts) -{ - jas_tvparser_t *tvp; - - opts->debug = 0; - opts->maxlyrs = JPC_MAXLYRS; - opts->maxpkts = -1; - - if (!(tvp = jas_tvparser_create(optstr ? optstr : ""))) { - return -1; - } - - while (!jas_tvparser_next(tvp)) { - switch (jas_taginfo_nonull(jas_taginfos_lookup(decopts, - jas_tvparser_gettag(tvp)))->id) { - case OPT_MAXLYRS: - opts->maxlyrs = atoi(jas_tvparser_getval(tvp)); - break; - case OPT_DEBUG: - opts->debug = atoi(jas_tvparser_getval(tvp)); - break; - case OPT_MAXPKTS: - opts->maxpkts = atoi(jas_tvparser_getval(tvp)); - break; - default: - jas_eprintf("warning: ignoring invalid option %s\n", - jas_tvparser_gettag(tvp)); - break; - } - } - - jas_tvparser_destroy(tvp); - - return 0; -} - -/******************************************************************************\ -* Code for table-driven code stream decoder. -\******************************************************************************/ - -static jpc_dec_mstabent_t *jpc_dec_mstab_lookup(uint_fast16_t id) -{ - jpc_dec_mstabent_t *mstabent; - for (mstabent = jpc_dec_mstab; mstabent->id != 0; ++mstabent) { - if (mstabent->id == id) { - break; - } - } - return mstabent; -} - -static int jpc_dec_decode(jpc_dec_t *dec) -{ - jpc_ms_t *ms; - jpc_dec_mstabent_t *mstabent; - int ret; - jpc_cstate_t *cstate; - - if (!(cstate = jpc_cstate_create())) { - return -1; - } - dec->cstate = cstate; - - /* Initially, we should expect to encounter a SOC marker segment. */ - dec->state = JPC_MHSOC; - - for (;;) { - - /* Get the next marker segment in the code stream. */ - if (!(ms = jpc_getms(dec->in, cstate))) { - jas_eprintf("cannot get marker segment\n"); - return -1; - } - - mstabent = jpc_dec_mstab_lookup(ms->id); - assert(mstabent); - - /* Ensure that this type of marker segment is permitted - at this point in the code stream. */ - if (!(dec->state & mstabent->validstates)) { - jas_eprintf("unexpected marker segment type\n"); - jpc_ms_destroy(ms); - return -1; - } - - /* Process the marker segment. */ - if (mstabent->action) { - ret = (*mstabent->action)(dec, ms); - } else { - /* No explicit action is required. */ - ret = 0; - } - - /* Destroy the marker segment. */ - jpc_ms_destroy(ms); - - if (ret < 0) { - return -1; - } else if (ret > 0) { - break; - } - - } - - return 0; -} - -static int jpc_dec_process_crg(jpc_dec_t *dec, jpc_ms_t *ms) -{ - int cmptno; - jpc_dec_cmpt_t *cmpt; - jpc_crg_t *crg; - - crg = &ms->parms.crg; - for (cmptno = 0, cmpt = dec->cmpts; cmptno < dec->numcomps; ++cmptno, - ++cmpt) { - /* Ignore the information in the CRG marker segment for now. - This information serves no useful purpose for decoding anyhow. - Some other parts of the code need to be changed if these lines - are uncommented. - cmpt->hsubstep = crg->comps[cmptno].hoff; - cmpt->vsubstep = crg->comps[cmptno].voff; - */ - } - return 0; -} - -static int jpc_dec_process_soc(jpc_dec_t *dec, jpc_ms_t *ms) -{ - /* Eliminate warnings about unused variables. */ - ms = 0; - - /* We should expect to encounter a SIZ marker segment next. */ - dec->state = JPC_MHSIZ; - - return 0; -} - -static int jpc_dec_process_sot(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_dec_tile_t *tile; - jpc_sot_t *sot = &ms->parms.sot; - jas_image_cmptparm_t *compinfos; - jas_image_cmptparm_t *compinfo; - jpc_dec_cmpt_t *cmpt; - int cmptno; - - if (dec->state == JPC_MH) { - - compinfos = jas_malloc(dec->numcomps * sizeof(jas_image_cmptparm_t)); - assert(compinfos); - for (cmptno = 0, cmpt = dec->cmpts, compinfo = compinfos; - cmptno < dec->numcomps; ++cmptno, ++cmpt, ++compinfo) { - compinfo->tlx = 0; - compinfo->tly = 0; - compinfo->prec = cmpt->prec; - compinfo->sgnd = cmpt->sgnd; - compinfo->width = cmpt->width; - compinfo->height = cmpt->height; - compinfo->hstep = cmpt->hstep; - compinfo->vstep = cmpt->vstep; - } - - if (!(dec->image = jas_image_create(dec->numcomps, compinfos, - JAS_CLRSPC_UNKNOWN))) { - return -1; - } - jas_free(compinfos); - - /* Is the packet header information stored in PPM marker segments in - the main header? */ - if (dec->ppmstab) { - /* Convert the PPM marker segment data into a collection of streams - (one stream per tile-part). */ - if (!(dec->pkthdrstreams = jpc_ppmstabtostreams(dec->ppmstab))) { - abort(); - } - jpc_ppxstab_destroy(dec->ppmstab); - dec->ppmstab = 0; - } - } - - if (sot->len > 0) { - dec->curtileendoff = jas_stream_getrwcount(dec->in) - ms->len - - 4 + sot->len; - } else { - dec->curtileendoff = 0; - } - - if (JAS_CAST(int, sot->tileno) > dec->numtiles) { - jas_eprintf("invalid tile number in SOT marker segment\n"); - return -1; - } - /* Set the current tile. */ - dec->curtile = &dec->tiles[sot->tileno]; - tile = dec->curtile; - /* Ensure that this is the expected part number. */ - if (sot->partno != tile->partno) { - return -1; - } - if (tile->numparts > 0 && sot->partno >= tile->numparts) { - return -1; - } - if (!tile->numparts && sot->numparts > 0) { - tile->numparts = sot->numparts; - } - - tile->pptstab = 0; - - switch (tile->state) { - case JPC_TILE_INIT: - /* This is the first tile-part for this tile. */ - tile->state = JPC_TILE_ACTIVE; - assert(!tile->cp); - if (!(tile->cp = jpc_dec_cp_copy(dec->cp))) { - return -1; - } - jpc_dec_cp_resetflags(dec->cp); - break; - default: - if (sot->numparts == sot->partno - 1) { - tile->state = JPC_TILE_ACTIVELAST; - } - break; - } - - /* Note: We do not increment the expected tile-part number until - all processing for this tile-part is complete. */ - - /* We should expect to encounter other tile-part header marker - segments next. */ - dec->state = JPC_TPH; - - return 0; -} - -static int jpc_dec_process_sod(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_dec_tile_t *tile; - int pos; - - /* Eliminate compiler warnings about unused variables. */ - ms = 0; - - if (!(tile = dec->curtile)) { - return -1; - } - - if (!tile->partno) { - if (!jpc_dec_cp_isvalid(tile->cp)) { - return -1; - } - jpc_dec_cp_prepare(tile->cp); - if (jpc_dec_tileinit(dec, tile)) { - return -1; - } - } - - /* Are packet headers stored in the main header or tile-part header? */ - if (dec->pkthdrstreams) { - /* Get the stream containing the packet header data for this - tile-part. */ - if (!(tile->pkthdrstream = jpc_streamlist_remove(dec->pkthdrstreams, 0))) { - return -1; - } - } - - if (tile->pptstab) { - if (!tile->pkthdrstream) { - if (!(tile->pkthdrstream = jas_stream_memopen(0, 0))) { - return -1; - } - } - pos = jas_stream_tell(tile->pkthdrstream); - jas_stream_seek(tile->pkthdrstream, 0, SEEK_END); - if (jpc_pptstabwrite(tile->pkthdrstream, tile->pptstab)) { - return -1; - } - jas_stream_seek(tile->pkthdrstream, pos, SEEK_SET); - jpc_ppxstab_destroy(tile->pptstab); - tile->pptstab = 0; - } - - if (jas_getdbglevel() >= 10) { - jpc_dec_dump(dec, stderr); - } - - if (jpc_dec_decodepkts(dec, (tile->pkthdrstream) ? tile->pkthdrstream : - dec->in, dec->in)) { - jas_eprintf("jpc_dec_decodepkts failed\n"); - return -1; - } - - /* Gobble any unconsumed tile data. */ - if (dec->curtileendoff > 0) { - long curoff; - uint_fast32_t n; - curoff = jas_stream_getrwcount(dec->in); - if (curoff < dec->curtileendoff) { - n = dec->curtileendoff - curoff; - jas_eprintf("warning: ignoring trailing garbage (%lu bytes)\n", - (unsigned long) n); - - while (n-- > 0) { - if (jas_stream_getc(dec->in) == EOF) { - jas_eprintf("read error\n"); - return -1; - } - } - } else if (curoff > dec->curtileendoff) { - jas_eprintf("warning: not enough tile data (%lu bytes)\n", - (unsigned long) curoff - dec->curtileendoff); - } - - } - - if (tile->numparts > 0 && tile->partno == tile->numparts - 1) { - if (jpc_dec_tiledecode(dec, tile)) { - return -1; - } - jpc_dec_tilefini(dec, tile); - } - - dec->curtile = 0; - - /* Increment the expected tile-part number. */ - ++tile->partno; - - /* We should expect to encounter a SOT marker segment next. */ - dec->state = JPC_TPHSOT; - - return 0; -} - -static int jpc_dec_tileinit(jpc_dec_t *dec, jpc_dec_tile_t *tile) -{ - jpc_dec_tcomp_t *tcomp; - int compno; - int rlvlno; - jpc_dec_rlvl_t *rlvl; - jpc_dec_band_t *band; - jpc_dec_prc_t *prc; - int bndno; - jpc_tsfb_band_t *bnd; - int bandno; - jpc_dec_ccp_t *ccp; - int prccnt; - jpc_dec_cblk_t *cblk; - int cblkcnt; - uint_fast32_t tlprcxstart; - uint_fast32_t tlprcystart; - uint_fast32_t brprcxend; - uint_fast32_t brprcyend; - uint_fast32_t tlcbgxstart; - uint_fast32_t tlcbgystart; - uint_fast32_t brcbgxend; - uint_fast32_t brcbgyend; - uint_fast32_t cbgxstart; - uint_fast32_t cbgystart; - uint_fast32_t cbgxend; - uint_fast32_t cbgyend; - uint_fast32_t tlcblkxstart; - uint_fast32_t tlcblkystart; - uint_fast32_t brcblkxend; - uint_fast32_t brcblkyend; - uint_fast32_t cblkxstart; - uint_fast32_t cblkystart; - uint_fast32_t cblkxend; - uint_fast32_t cblkyend; - uint_fast32_t tmpxstart; - uint_fast32_t tmpystart; - uint_fast32_t tmpxend; - uint_fast32_t tmpyend; - jpc_dec_cp_t *cp; - jpc_tsfb_band_t bnds[64]; - jpc_pchg_t *pchg; - int pchgno; - jpc_dec_cmpt_t *cmpt; - - cp = tile->cp; - tile->realmode = 0; - if (cp->mctid == JPC_MCT_ICT) { - tile->realmode = 1; - } - - for (compno = 0, tcomp = tile->tcomps, cmpt = dec->cmpts; compno < - dec->numcomps; ++compno, ++tcomp, ++cmpt) { - ccp = &tile->cp->ccps[compno]; - if (ccp->qmfbid == JPC_COX_INS) { - tile->realmode = 1; - } - tcomp->numrlvls = ccp->numrlvls; - if (!(tcomp->rlvls = jas_malloc(tcomp->numrlvls * - sizeof(jpc_dec_rlvl_t)))) { - return -1; - } - if (!(tcomp->data = jas_seq2d_create(JPC_CEILDIV(tile->xstart, - cmpt->hstep), JPC_CEILDIV(tile->ystart, cmpt->vstep), - JPC_CEILDIV(tile->xend, cmpt->hstep), JPC_CEILDIV(tile->yend, - cmpt->vstep)))) { - return -1; - } - if (!(tcomp->tsfb = jpc_cod_gettsfb(ccp->qmfbid, - tcomp->numrlvls - 1))) { - return -1; - } -{ - jpc_tsfb_getbands(tcomp->tsfb, jas_seq2d_xstart(tcomp->data), jas_seq2d_ystart(tcomp->data), jas_seq2d_xend(tcomp->data), jas_seq2d_yend(tcomp->data), bnds); -} - for (rlvlno = 0, rlvl = tcomp->rlvls; rlvlno < tcomp->numrlvls; - ++rlvlno, ++rlvl) { -rlvl->bands = 0; - rlvl->xstart = JPC_CEILDIVPOW2(tcomp->xstart, - tcomp->numrlvls - 1 - rlvlno); - rlvl->ystart = JPC_CEILDIVPOW2(tcomp->ystart, - tcomp->numrlvls - 1 - rlvlno); - rlvl->xend = JPC_CEILDIVPOW2(tcomp->xend, - tcomp->numrlvls - 1 - rlvlno); - rlvl->yend = JPC_CEILDIVPOW2(tcomp->yend, - tcomp->numrlvls - 1 - rlvlno); - rlvl->prcwidthexpn = ccp->prcwidthexpns[rlvlno]; - rlvl->prcheightexpn = ccp->prcheightexpns[rlvlno]; - tlprcxstart = JPC_FLOORDIVPOW2(rlvl->xstart, - rlvl->prcwidthexpn) << rlvl->prcwidthexpn; - tlprcystart = JPC_FLOORDIVPOW2(rlvl->ystart, - rlvl->prcheightexpn) << rlvl->prcheightexpn; - brprcxend = JPC_CEILDIVPOW2(rlvl->xend, - rlvl->prcwidthexpn) << rlvl->prcwidthexpn; - brprcyend = JPC_CEILDIVPOW2(rlvl->yend, - rlvl->prcheightexpn) << rlvl->prcheightexpn; - rlvl->numhprcs = (brprcxend - tlprcxstart) >> - rlvl->prcwidthexpn; - rlvl->numvprcs = (brprcyend - tlprcystart) >> - rlvl->prcheightexpn; - rlvl->numprcs = rlvl->numhprcs * rlvl->numvprcs; - - if (rlvl->xstart >= rlvl->xend || rlvl->ystart >= rlvl->yend) { - rlvl->bands = 0; - rlvl->numprcs = 0; - rlvl->numhprcs = 0; - rlvl->numvprcs = 0; - continue; - } - if (!rlvlno) { - tlcbgxstart = tlprcxstart; - tlcbgystart = tlprcystart; - brcbgxend = brprcxend; - brcbgyend = brprcyend; - rlvl->cbgwidthexpn = rlvl->prcwidthexpn; - rlvl->cbgheightexpn = rlvl->prcheightexpn; - } else { - tlcbgxstart = JPC_CEILDIVPOW2(tlprcxstart, 1); - tlcbgystart = JPC_CEILDIVPOW2(tlprcystart, 1); - brcbgxend = JPC_CEILDIVPOW2(brprcxend, 1); - brcbgyend = JPC_CEILDIVPOW2(brprcyend, 1); - rlvl->cbgwidthexpn = rlvl->prcwidthexpn - 1; - rlvl->cbgheightexpn = rlvl->prcheightexpn - 1; - } - rlvl->cblkwidthexpn = JAS_MIN(ccp->cblkwidthexpn, - rlvl->cbgwidthexpn); - rlvl->cblkheightexpn = JAS_MIN(ccp->cblkheightexpn, - rlvl->cbgheightexpn); - - rlvl->numbands = (!rlvlno) ? 1 : 3; - if (!(rlvl->bands = jas_malloc(rlvl->numbands * - sizeof(jpc_dec_band_t)))) { - return -1; - } - for (bandno = 0, band = rlvl->bands; - bandno < rlvl->numbands; ++bandno, ++band) { - bndno = (!rlvlno) ? 0 : (3 * (rlvlno - 1) + - bandno + 1); - bnd = &bnds[bndno]; - - band->orient = bnd->orient; - band->stepsize = ccp->stepsizes[bndno]; - band->analgain = JPC_NOMINALGAIN(ccp->qmfbid, - tcomp->numrlvls - 1, rlvlno, band->orient); - band->absstepsize = jpc_calcabsstepsize(band->stepsize, - cmpt->prec + band->analgain); - band->numbps = ccp->numguardbits + - JPC_QCX_GETEXPN(band->stepsize) - 1; - band->roishift = (ccp->roishift + band->numbps >= JPC_PREC) ? - (JPC_PREC - 1 - band->numbps) : ccp->roishift; - band->data = 0; - band->prcs = 0; - if (bnd->xstart == bnd->xend || bnd->ystart == bnd->yend) { - continue; - } - if (!(band->data = jas_seq2d_create(0, 0, 0, 0))) { - return -1; - } - jas_seq2d_bindsub(band->data, tcomp->data, bnd->locxstart, bnd->locystart, bnd->locxend, bnd->locyend); - jas_seq2d_setshift(band->data, bnd->xstart, bnd->ystart); - - assert(rlvl->numprcs); - - if (!(band->prcs = jas_malloc(rlvl->numprcs * sizeof(jpc_dec_prc_t)))) { - return -1; - } - -/************************************************/ - cbgxstart = tlcbgxstart; - cbgystart = tlcbgystart; - for (prccnt = rlvl->numprcs, prc = band->prcs; - prccnt > 0; --prccnt, ++prc) { - cbgxend = cbgxstart + (1 << rlvl->cbgwidthexpn); - cbgyend = cbgystart + (1 << rlvl->cbgheightexpn); - prc->xstart = JAS_MAX(cbgxstart, JAS_CAST(uint_fast32_t, jas_seq2d_xstart(band->data))); - prc->ystart = JAS_MAX(cbgystart, JAS_CAST(uint_fast32_t, jas_seq2d_ystart(band->data))); - prc->xend = JAS_MIN(cbgxend, JAS_CAST(uint_fast32_t, jas_seq2d_xend(band->data))); - prc->yend = JAS_MIN(cbgyend, JAS_CAST(uint_fast32_t, jas_seq2d_yend(band->data))); - if (prc->xend > prc->xstart && prc->yend > prc->ystart) { - tlcblkxstart = JPC_FLOORDIVPOW2(prc->xstart, - rlvl->cblkwidthexpn) << rlvl->cblkwidthexpn; - tlcblkystart = JPC_FLOORDIVPOW2(prc->ystart, - rlvl->cblkheightexpn) << rlvl->cblkheightexpn; - brcblkxend = JPC_CEILDIVPOW2(prc->xend, - rlvl->cblkwidthexpn) << rlvl->cblkwidthexpn; - brcblkyend = JPC_CEILDIVPOW2(prc->yend, - rlvl->cblkheightexpn) << rlvl->cblkheightexpn; - prc->numhcblks = (brcblkxend - tlcblkxstart) >> - rlvl->cblkwidthexpn; - prc->numvcblks = (brcblkyend - tlcblkystart) >> - rlvl->cblkheightexpn; - prc->numcblks = prc->numhcblks * prc->numvcblks; - assert(prc->numcblks > 0); - - if (!(prc->incltagtree = jpc_tagtree_create(prc->numhcblks, prc->numvcblks))) { - return -1; - } - if (!(prc->numimsbstagtree = jpc_tagtree_create(prc->numhcblks, prc->numvcblks))) { - return -1; - } - if (!(prc->cblks = jas_malloc(prc->numcblks * sizeof(jpc_dec_cblk_t)))) { - return -1; - } - - cblkxstart = cbgxstart; - cblkystart = cbgystart; - for (cblkcnt = prc->numcblks, cblk = prc->cblks; cblkcnt > 0;) { - cblkxend = cblkxstart + (1 << rlvl->cblkwidthexpn); - cblkyend = cblkystart + (1 << rlvl->cblkheightexpn); - tmpxstart = JAS_MAX(cblkxstart, prc->xstart); - tmpystart = JAS_MAX(cblkystart, prc->ystart); - tmpxend = JAS_MIN(cblkxend, prc->xend); - tmpyend = JAS_MIN(cblkyend, prc->yend); - if (tmpxend > tmpxstart && tmpyend > tmpystart) { - cblk->firstpassno = -1; - cblk->mqdec = 0; - cblk->nulldec = 0; - cblk->flags = 0; - cblk->numpasses = 0; - cblk->segs.head = 0; - cblk->segs.tail = 0; - cblk->curseg = 0; - cblk->numimsbs = 0; - cblk->numlenbits = 3; - cblk->flags = 0; - if (!(cblk->data = jas_seq2d_create(0, 0, 0, 0))) { - return -1; - } - jas_seq2d_bindsub(cblk->data, band->data, tmpxstart, tmpystart, tmpxend, tmpyend); - ++cblk; - --cblkcnt; - } - cblkxstart += 1 << rlvl->cblkwidthexpn; - if (cblkxstart >= cbgxend) { - cblkxstart = cbgxstart; - cblkystart += 1 << rlvl->cblkheightexpn; - } - } - - } else { - prc->cblks = 0; - prc->incltagtree = 0; - prc->numimsbstagtree = 0; - } - cbgxstart += 1 << rlvl->cbgwidthexpn; - if (cbgxstart >= brcbgxend) { - cbgxstart = tlcbgxstart; - cbgystart += 1 << rlvl->cbgheightexpn; - } - - } -/********************************************/ - } - } - } - -if (!(tile->pi = jpc_dec_pi_create(dec, tile))) -{ - return -1; -} - - for (pchgno = 0; pchgno < jpc_pchglist_numpchgs(tile->cp->pchglist); - ++pchgno) { - pchg = jpc_pchg_copy(jpc_pchglist_get(tile->cp->pchglist, pchgno)); - assert(pchg); - jpc_pi_addpchg(tile->pi, pchg); - } - jpc_pi_init(tile->pi); - - return 0; -} - -static int jpc_dec_tilefini(jpc_dec_t *dec, jpc_dec_tile_t *tile) -{ - jpc_dec_tcomp_t *tcomp; - int compno; - int bandno; - int rlvlno; - jpc_dec_band_t *band; - jpc_dec_rlvl_t *rlvl; - int prcno; - jpc_dec_prc_t *prc; - jpc_dec_seg_t *seg; - jpc_dec_cblk_t *cblk; - int cblkno; - -if (tile->tcomps) { - - for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; - ++compno, ++tcomp) { - for (rlvlno = 0, rlvl = tcomp->rlvls; rlvlno < tcomp->numrlvls; - ++rlvlno, ++rlvl) { -if (!rlvl->bands) { - continue; -} - for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; ++bandno, ++band) { -if (band->prcs) { - 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) { - - while (cblk->segs.head) { - seg = cblk->segs.head; - jpc_seglist_remove(&cblk->segs, seg); - jpc_seg_destroy(seg); - } - jas_matrix_destroy(cblk->data); - if (cblk->mqdec) { - jpc_mqdec_destroy(cblk->mqdec); - } - if (cblk->nulldec) { - jpc_bitstream_close(cblk->nulldec); - } - if (cblk->flags) { - jas_matrix_destroy(cblk->flags); - } - } - if (prc->incltagtree) { - jpc_tagtree_destroy(prc->incltagtree); - } - if (prc->numimsbstagtree) { - jpc_tagtree_destroy(prc->numimsbstagtree); - } - if (prc->cblks) { - jas_free(prc->cblks); - } - } -} - if (band->data) { - jas_matrix_destroy(band->data); - } - if (band->prcs) { - jas_free(band->prcs); - } - } - if (rlvl->bands) { - jas_free(rlvl->bands); - } - } - if (tcomp->rlvls) { - jas_free(tcomp->rlvls); - } - if (tcomp->data) { - jas_matrix_destroy(tcomp->data); - } - if (tcomp->tsfb) { - jpc_tsfb_destroy(tcomp->tsfb); - } - } -} - if (tile->cp) { - jpc_dec_cp_destroy(tile->cp); - tile->cp = 0; - } - if (tile->tcomps) { - jas_free(tile->tcomps); - tile->tcomps = 0; - } - if (tile->pi) { - jpc_pi_destroy(tile->pi); - tile->pi = 0; - } - if (tile->pkthdrstream) { - jas_stream_close(tile->pkthdrstream); - tile->pkthdrstream = 0; - } - if (tile->pptstab) { - jpc_ppxstab_destroy(tile->pptstab); - tile->pptstab = 0; - } - - tile->state = JPC_TILE_DONE; - - return 0; -} - -static int jpc_dec_tiledecode(jpc_dec_t *dec, jpc_dec_tile_t *tile) -{ - int i; - int j; - jpc_dec_tcomp_t *tcomp; - jpc_dec_rlvl_t *rlvl; - jpc_dec_band_t *band; - int compno; - int rlvlno; - int bandno; - int adjust; - int v; - jpc_dec_ccp_t *ccp; - jpc_dec_cmpt_t *cmpt; - - if (jpc_dec_decodecblks(dec, tile)) { - jas_eprintf("jpc_dec_decodecblks failed\n"); - return -1; - } - - /* Perform dequantization. */ - for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; - ++compno, ++tcomp) { - ccp = &tile->cp->ccps[compno]; - for (rlvlno = 0, rlvl = tcomp->rlvls; rlvlno < tcomp->numrlvls; - ++rlvlno, ++rlvl) { - if (!rlvl->bands) { - continue; - } - for (bandno = 0, band = rlvl->bands; - bandno < rlvl->numbands; ++bandno, ++band) { - if (!band->data) { - continue; - } - jpc_undo_roi(band->data, band->roishift, ccp->roishift - - band->roishift, band->numbps); - if (tile->realmode) { - jas_matrix_asl(band->data, JPC_FIX_FRACBITS); - jpc_dequantize(band->data, band->absstepsize); - } - - } - } - } - - /* Apply an inverse wavelet transform if necessary. */ - for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; - ++compno, ++tcomp) { - ccp = &tile->cp->ccps[compno]; - jpc_tsfb_synthesize(tcomp->tsfb, tcomp->data); - } - - - /* Apply an inverse intercomponent transform if necessary. */ - switch (tile->cp->mctid) { - case JPC_MCT_RCT: - assert(dec->numcomps == 3); - jpc_irct(tile->tcomps[0].data, tile->tcomps[1].data, - tile->tcomps[2].data); - break; - case JPC_MCT_ICT: - assert(dec->numcomps == 3); - jpc_iict(tile->tcomps[0].data, tile->tcomps[1].data, - tile->tcomps[2].data); - break; - } - - /* Perform rounding and convert to integer values. */ - if (tile->realmode) { - for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; - ++compno, ++tcomp) { - for (i = 0; i < jas_matrix_numrows(tcomp->data); ++i) { - for (j = 0; j < jas_matrix_numcols(tcomp->data); ++j) { - v = jas_matrix_get(tcomp->data, i, j); - v = jpc_fix_round(v); - jas_matrix_set(tcomp->data, i, j, jpc_fixtoint(v)); - } - } - } - } - - /* Perform level shift. */ - for (compno = 0, tcomp = tile->tcomps, cmpt = dec->cmpts; compno < - dec->numcomps; ++compno, ++tcomp, ++cmpt) { - adjust = cmpt->sgnd ? 0 : (1 << (cmpt->prec - 1)); - for (i = 0; i < jas_matrix_numrows(tcomp->data); ++i) { - for (j = 0; j < jas_matrix_numcols(tcomp->data); ++j) { - *jas_matrix_getref(tcomp->data, i, j) += adjust; - } - } - } - - /* Perform clipping. */ - for (compno = 0, tcomp = tile->tcomps, cmpt = dec->cmpts; compno < - dec->numcomps; ++compno, ++tcomp, ++cmpt) { - jpc_fix_t mn; - jpc_fix_t mx; - mn = cmpt->sgnd ? (-(1 << (cmpt->prec - 1))) : (0); - mx = cmpt->sgnd ? ((1 << (cmpt->prec - 1)) - 1) : ((1 << - cmpt->prec) - 1); - jas_matrix_clip(tcomp->data, mn, mx); - } - - /* XXX need to free tsfb struct */ - - /* Write the data for each component of the image. */ - for (compno = 0, tcomp = tile->tcomps, cmpt = dec->cmpts; compno < - dec->numcomps; ++compno, ++tcomp, ++cmpt) { - if (jas_image_writecmpt(dec->image, compno, tcomp->xstart - - JPC_CEILDIV(dec->xstart, cmpt->hstep), tcomp->ystart - - JPC_CEILDIV(dec->ystart, cmpt->vstep), jas_matrix_numcols( - tcomp->data), jas_matrix_numrows(tcomp->data), tcomp->data)) { - jas_eprintf("write component failed\n"); - return -4; - } - } - - return 0; -} - -static int jpc_dec_process_eoc(jpc_dec_t *dec, jpc_ms_t *ms) -{ - int tileno; - jpc_dec_tile_t *tile; - - /* Eliminate compiler warnings about unused variables. */ - ms = 0; - - for (tileno = 0, tile = dec->tiles; tileno < dec->numtiles; ++tileno, - ++tile) { - if (tile->state == JPC_TILE_ACTIVE) { - if (jpc_dec_tiledecode(dec, tile)) { - return -1; - } - } - jpc_dec_tilefini(dec, tile); - } - - /* We are done processing the code stream. */ - dec->state = JPC_MT; - - return 1; -} - -static int jpc_dec_process_siz(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_siz_t *siz = &ms->parms.siz; - int compno; - int tileno; - jpc_dec_tile_t *tile; - jpc_dec_tcomp_t *tcomp; - int htileno; - int vtileno; - jpc_dec_cmpt_t *cmpt; - - dec->xstart = siz->xoff; - dec->ystart = siz->yoff; - dec->xend = siz->width; - dec->yend = siz->height; - dec->tilewidth = siz->tilewidth; - dec->tileheight = siz->tileheight; - dec->tilexoff = siz->tilexoff; - dec->tileyoff = siz->tileyoff; - dec->numcomps = siz->numcomps; - if (!(dec->cp = jpc_dec_cp_create(dec->numcomps))) { - return -1; - } - - if (!(dec->cmpts = jas_malloc(dec->numcomps * sizeof(jpc_dec_cmpt_t)))) { - return -1; - } - - for (compno = 0, cmpt = dec->cmpts; compno < dec->numcomps; ++compno, - ++cmpt) { - cmpt->prec = siz->comps[compno].prec; - cmpt->sgnd = siz->comps[compno].sgnd; - cmpt->hstep = siz->comps[compno].hsamp; - cmpt->vstep = siz->comps[compno].vsamp; - cmpt->width = JPC_CEILDIV(dec->xend, cmpt->hstep) - - JPC_CEILDIV(dec->xstart, cmpt->hstep); - cmpt->height = JPC_CEILDIV(dec->yend, cmpt->vstep) - - JPC_CEILDIV(dec->ystart, cmpt->vstep); - cmpt->hsubstep = 0; - cmpt->vsubstep = 0; - } - - dec->image = 0; - - dec->numhtiles = JPC_CEILDIV(dec->xend - dec->tilexoff, dec->tilewidth); - dec->numvtiles = JPC_CEILDIV(dec->yend - dec->tileyoff, dec->tileheight); - dec->numtiles = dec->numhtiles * dec->numvtiles; - if (!(dec->tiles = jas_malloc(dec->numtiles * sizeof(jpc_dec_tile_t)))) { - return -1; - } - - for (tileno = 0, tile = dec->tiles; tileno < dec->numtiles; ++tileno, - ++tile) { - htileno = tileno % dec->numhtiles; - vtileno = tileno / dec->numhtiles; - tile->realmode = 0; - tile->state = JPC_TILE_INIT; - tile->xstart = JAS_MAX(dec->tilexoff + htileno * dec->tilewidth, - dec->xstart); - tile->ystart = JAS_MAX(dec->tileyoff + vtileno * dec->tileheight, - dec->ystart); - tile->xend = JAS_MIN(dec->tilexoff + (htileno + 1) * - dec->tilewidth, dec->xend); - tile->yend = JAS_MIN(dec->tileyoff + (vtileno + 1) * - dec->tileheight, dec->yend); - tile->numparts = 0; - tile->partno = 0; - tile->pkthdrstream = 0; - tile->pkthdrstreampos = 0; - tile->pptstab = 0; - tile->cp = 0; - if (!(tile->tcomps = jas_malloc(dec->numcomps * - sizeof(jpc_dec_tcomp_t)))) { - return -1; - } - for (compno = 0, cmpt = dec->cmpts, tcomp = tile->tcomps; - compno < dec->numcomps; ++compno, ++cmpt, ++tcomp) { - tcomp->rlvls = 0; - tcomp->data = 0; - tcomp->xstart = JPC_CEILDIV(tile->xstart, cmpt->hstep); - tcomp->ystart = JPC_CEILDIV(tile->ystart, cmpt->vstep); - tcomp->xend = JPC_CEILDIV(tile->xend, cmpt->hstep); - tcomp->yend = JPC_CEILDIV(tile->yend, cmpt->vstep); - tcomp->tsfb = 0; - } - } - - dec->pkthdrstreams = 0; - - /* We should expect to encounter other main header marker segments - or an SOT marker segment next. */ - dec->state = JPC_MH; - - return 0; -} - -static int jpc_dec_process_cod(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_cod_t *cod = &ms->parms.cod; - jpc_dec_tile_t *tile; - - switch (dec->state) { - case JPC_MH: - jpc_dec_cp_setfromcod(dec->cp, cod); - break; - case JPC_TPH: - if (!(tile = dec->curtile)) { - return -1; - } - if (tile->partno != 0) { - return -1; - } - jpc_dec_cp_setfromcod(tile->cp, cod); - break; - } - return 0; -} - -static int jpc_dec_process_coc(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_coc_t *coc = &ms->parms.coc; - jpc_dec_tile_t *tile; - - if (JAS_CAST(int, coc->compno) > dec->numcomps) { - jas_eprintf("invalid component number in COC marker segment\n"); - return -1; - } - switch (dec->state) { - case JPC_MH: - jpc_dec_cp_setfromcoc(dec->cp, coc); - break; - case JPC_TPH: - if (!(tile = dec->curtile)) { - return -1; - } - if (tile->partno > 0) { - return -1; - } - jpc_dec_cp_setfromcoc(tile->cp, coc); - break; - } - return 0; -} - -static int jpc_dec_process_rgn(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_rgn_t *rgn = &ms->parms.rgn; - jpc_dec_tile_t *tile; - - if (JAS_CAST(int, rgn->compno) > dec->numcomps) { - jas_eprintf("invalid component number in RGN marker segment\n"); - return -1; - } - switch (dec->state) { - case JPC_MH: - jpc_dec_cp_setfromrgn(dec->cp, rgn); - break; - case JPC_TPH: - if (!(tile = dec->curtile)) { - return -1; - } - if (tile->partno > 0) { - return -1; - } - jpc_dec_cp_setfromrgn(tile->cp, rgn); - break; - } - - return 0; -} - -static int jpc_dec_process_qcd(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_qcd_t *qcd = &ms->parms.qcd; - jpc_dec_tile_t *tile; - - switch (dec->state) { - case JPC_MH: - jpc_dec_cp_setfromqcd(dec->cp, qcd); - break; - case JPC_TPH: - if (!(tile = dec->curtile)) { - return -1; - } - if (tile->partno > 0) { - return -1; - } - jpc_dec_cp_setfromqcd(tile->cp, qcd); - break; - } - return 0; -} - -static int jpc_dec_process_qcc(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_qcc_t *qcc = &ms->parms.qcc; - jpc_dec_tile_t *tile; - - if (JAS_CAST(int, qcc->compno) > dec->numcomps) { - jas_eprintf("invalid component number in QCC marker segment\n"); - return -1; - } - switch (dec->state) { - case JPC_MH: - jpc_dec_cp_setfromqcc(dec->cp, qcc); - break; - case JPC_TPH: - if (!(tile = dec->curtile)) { - return -1; - } - if (tile->partno > 0) { - return -1; - } - jpc_dec_cp_setfromqcc(tile->cp, qcc); - break; - } - return 0; -} - -static int jpc_dec_process_poc(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_poc_t *poc = &ms->parms.poc; - jpc_dec_tile_t *tile; - switch (dec->state) { - case JPC_MH: - if (jpc_dec_cp_setfrompoc(dec->cp, poc, 1)) { - return -1; - } - break; - case JPC_TPH: - if (!(tile = dec->curtile)) { - return -1; - } - if (!tile->partno) { - if (jpc_dec_cp_setfrompoc(tile->cp, poc, (!tile->partno))) { - return -1; - } - } else { - jpc_pi_addpchgfrompoc(tile->pi, poc); - } - break; - } - return 0; -} - -static int jpc_dec_process_ppm(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_ppm_t *ppm = &ms->parms.ppm; - jpc_ppxstabent_t *ppmstabent; - - if (!dec->ppmstab) { - if (!(dec->ppmstab = jpc_ppxstab_create())) { - return -1; - } - } - - if (!(ppmstabent = jpc_ppxstabent_create())) { - return -1; - } - ppmstabent->ind = ppm->ind; - ppmstabent->data = ppm->data; - ppm->data = 0; - ppmstabent->len = ppm->len; - if (jpc_ppxstab_insert(dec->ppmstab, ppmstabent)) { - return -1; - } - return 0; -} - -static int jpc_dec_process_ppt(jpc_dec_t *dec, jpc_ms_t *ms) -{ - jpc_ppt_t *ppt = &ms->parms.ppt; - jpc_dec_tile_t *tile; - jpc_ppxstabent_t *pptstabent; - - tile = dec->curtile; - if (!tile->pptstab) { - if (!(tile->pptstab = jpc_ppxstab_create())) { - return -1; - } - } - if (!(pptstabent = jpc_ppxstabent_create())) { - return -1; - } - pptstabent->ind = ppt->ind; - pptstabent->data = ppt->data; - ppt->data = 0; - pptstabent->len = ppt->len; - if (jpc_ppxstab_insert(tile->pptstab, pptstabent)) { - return -1; - } - return 0; -} - -static int jpc_dec_process_com(jpc_dec_t *dec, jpc_ms_t *ms) -{ - /* Eliminate compiler warnings about unused variables. */ - dec = 0; - ms = 0; - - return 0; -} - -static int jpc_dec_process_unk(jpc_dec_t *dec, jpc_ms_t *ms) -{ - /* Eliminate compiler warnings about unused variables. */ - dec = 0; - - jas_eprintf("warning: ignoring unknown marker segment\n"); - jpc_ms_dump(ms, stderr); - return 0; -} - -/******************************************************************************\ -* -\******************************************************************************/ - -static jpc_dec_cp_t *jpc_dec_cp_create(uint_fast16_t numcomps) -{ - jpc_dec_cp_t *cp; - jpc_dec_ccp_t *ccp; - int compno; - - if (!(cp = jas_malloc(sizeof(jpc_dec_cp_t)))) { - return 0; - } - cp->flags = 0; - cp->numcomps = numcomps; - cp->prgord = 0; - cp->numlyrs = 0; - cp->mctid = 0; - cp->csty = 0; - if (!(cp->ccps = jas_malloc(cp->numcomps * sizeof(jpc_dec_ccp_t)))) { - return 0; - } - if (!(cp->pchglist = jpc_pchglist_create())) { - jas_free(cp->ccps); - return 0; - } - for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; - ++compno, ++ccp) { - ccp->flags = 0; - ccp->numrlvls = 0; - ccp->cblkwidthexpn = 0; - ccp->cblkheightexpn = 0; - ccp->qmfbid = 0; - ccp->numstepsizes = 0; - ccp->numguardbits = 0; - ccp->roishift = 0; - ccp->cblkctx = 0; - } - return cp; -} - -static jpc_dec_cp_t *jpc_dec_cp_copy(jpc_dec_cp_t *cp) -{ - jpc_dec_cp_t *newcp; - jpc_dec_ccp_t *newccp; - jpc_dec_ccp_t *ccp; - int compno; - - if (!(newcp = jpc_dec_cp_create(cp->numcomps))) { - return 0; - } - newcp->flags = cp->flags; - newcp->prgord = cp->prgord; - newcp->numlyrs = cp->numlyrs; - newcp->mctid = cp->mctid; - newcp->csty = cp->csty; - jpc_pchglist_destroy(newcp->pchglist); - newcp->pchglist = 0; - if (!(newcp->pchglist = jpc_pchglist_copy(cp->pchglist))) { - jas_free(newcp); - return 0; - } - for (compno = 0, newccp = newcp->ccps, ccp = cp->ccps; - compno < cp->numcomps; - ++compno, ++newccp, ++ccp) { - *newccp = *ccp; - } - return newcp; -} - -static void jpc_dec_cp_resetflags(jpc_dec_cp_t *cp) -{ - int compno; - jpc_dec_ccp_t *ccp; - cp->flags &= (JPC_CSET | JPC_QSET); - for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; - ++compno, ++ccp) { - ccp->flags = 0; - } -} - -static void jpc_dec_cp_destroy(jpc_dec_cp_t *cp) -{ - if (cp->ccps) { - jas_free(cp->ccps); - } - if (cp->pchglist) { - jpc_pchglist_destroy(cp->pchglist); - } - jas_free(cp); -} - -static int jpc_dec_cp_isvalid(jpc_dec_cp_t *cp) -{ - uint_fast16_t compcnt; - jpc_dec_ccp_t *ccp; - - if (!(cp->flags & JPC_CSET) || !(cp->flags & JPC_QSET)) { - return 0; - } - for (compcnt = cp->numcomps, ccp = cp->ccps; compcnt > 0; --compcnt, - ++ccp) { - /* Is there enough step sizes for the number of bands? */ - if ((ccp->qsty != JPC_QCX_SIQNT && JAS_CAST(int, ccp->numstepsizes) < 3 * - ccp->numrlvls - 2) || (ccp->qsty == JPC_QCX_SIQNT && - ccp->numstepsizes != 1)) { - return 0; - } - } - return 1; -} - -static void calcstepsizes(uint_fast16_t refstepsize, int numrlvls, - uint_fast16_t *stepsizes) -{ - int bandno; - int numbands; - uint_fast16_t expn; - uint_fast16_t mant; - expn = JPC_QCX_GETEXPN(refstepsize); - mant = JPC_QCX_GETMANT(refstepsize); - numbands = 3 * numrlvls - 2; - for (bandno = 0; bandno < numbands; ++bandno) { - stepsizes[bandno] = JPC_QCX_MANT(mant) | JPC_QCX_EXPN(expn + - (numrlvls - 1) - (numrlvls - 1 - ((bandno > 0) ? ((bandno + 2) / 3) : (0)))); - } -} - -static int jpc_dec_cp_prepare(jpc_dec_cp_t *cp) -{ - jpc_dec_ccp_t *ccp; - int compno; - int i; - for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; - ++compno, ++ccp) { - if (!(ccp->csty & JPC_COX_PRT)) { - for (i = 0; i < JPC_MAXRLVLS; ++i) { - ccp->prcwidthexpns[i] = 15; - ccp->prcheightexpns[i] = 15; - } - } - if (ccp->qsty == JPC_QCX_SIQNT) { - calcstepsizes(ccp->stepsizes[0], ccp->numrlvls, ccp->stepsizes); - } - } - return 0; -} - -static int jpc_dec_cp_setfromcod(jpc_dec_cp_t *cp, jpc_cod_t *cod) -{ - jpc_dec_ccp_t *ccp; - int compno; - cp->flags |= JPC_CSET; - cp->prgord = cod->prg; - if (cod->mctrans) { - cp->mctid = (cod->compparms.qmfbid == JPC_COX_INS) ? (JPC_MCT_ICT) : (JPC_MCT_RCT); - } else { - cp->mctid = JPC_MCT_NONE; - } - cp->numlyrs = cod->numlyrs; - cp->csty = cod->csty & (JPC_COD_SOP | JPC_COD_EPH); - for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; - ++compno, ++ccp) { - jpc_dec_cp_setfromcox(cp, ccp, &cod->compparms, 0); - } - cp->flags |= JPC_CSET; - return 0; -} - -static int jpc_dec_cp_setfromcoc(jpc_dec_cp_t *cp, jpc_coc_t *coc) -{ - jpc_dec_cp_setfromcox(cp, &cp->ccps[coc->compno], &coc->compparms, JPC_COC); - return 0; -} - -static int jpc_dec_cp_setfromcox(jpc_dec_cp_t *cp, jpc_dec_ccp_t *ccp, - jpc_coxcp_t *compparms, int flags) -{ - int rlvlno; - - /* Eliminate compiler warnings about unused variables. */ - cp = 0; - - if ((flags & JPC_COC) || !(ccp->flags & JPC_COC)) { - ccp->numrlvls = compparms->numdlvls + 1; - ccp->cblkwidthexpn = JPC_COX_GETCBLKSIZEEXPN( - compparms->cblkwidthval); - ccp->cblkheightexpn = JPC_COX_GETCBLKSIZEEXPN( - compparms->cblkheightval); - ccp->qmfbid = compparms->qmfbid; - ccp->cblkctx = compparms->cblksty; - ccp->csty = compparms->csty & JPC_COX_PRT; - for (rlvlno = 0; rlvlno < compparms->numrlvls; ++rlvlno) { - ccp->prcwidthexpns[rlvlno] = - compparms->rlvls[rlvlno].parwidthval; - ccp->prcheightexpns[rlvlno] = - compparms->rlvls[rlvlno].parheightval; - } - ccp->flags |= flags | JPC_CSET; - } - return 0; -} - -static int jpc_dec_cp_setfromqcd(jpc_dec_cp_t *cp, jpc_qcd_t *qcd) -{ - int compno; - jpc_dec_ccp_t *ccp; - for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; - ++compno, ++ccp) { - jpc_dec_cp_setfromqcx(cp, ccp, &qcd->compparms, 0); - } - cp->flags |= JPC_QSET; - return 0; -} - -static int jpc_dec_cp_setfromqcc(jpc_dec_cp_t *cp, jpc_qcc_t *qcc) -{ - return jpc_dec_cp_setfromqcx(cp, &cp->ccps[qcc->compno], &qcc->compparms, JPC_QCC); -} - -static int jpc_dec_cp_setfromqcx(jpc_dec_cp_t *cp, jpc_dec_ccp_t *ccp, - jpc_qcxcp_t *compparms, int flags) -{ - int bandno; - - /* Eliminate compiler warnings about unused variables. */ - cp = 0; - - if ((flags & JPC_QCC) || !(ccp->flags & JPC_QCC)) { - ccp->flags |= flags | JPC_QSET; - for (bandno = 0; bandno < compparms->numstepsizes; ++bandno) { - ccp->stepsizes[bandno] = compparms->stepsizes[bandno]; - } - ccp->numstepsizes = compparms->numstepsizes; - ccp->numguardbits = compparms->numguard; - ccp->qsty = compparms->qntsty; - } - return 0; -} - -static int jpc_dec_cp_setfromrgn(jpc_dec_cp_t *cp, jpc_rgn_t *rgn) -{ - jpc_dec_ccp_t *ccp; - ccp = &cp->ccps[rgn->compno]; - ccp->roishift = rgn->roishift; - return 0; -} - -static int jpc_pi_addpchgfrompoc(jpc_pi_t *pi, jpc_poc_t *poc) -{ - int pchgno; - jpc_pchg_t *pchg; - for (pchgno = 0; pchgno < poc->numpchgs; ++pchgno) { - if (!(pchg = jpc_pchg_copy(&poc->pchgs[pchgno]))) { - return -1; - } - if (jpc_pchglist_insert(pi->pchglist, -1, pchg)) { - return -1; - } - } - return 0; -} - -static int jpc_dec_cp_setfrompoc(jpc_dec_cp_t *cp, jpc_poc_t *poc, int reset) -{ - int pchgno; - jpc_pchg_t *pchg; - if (reset) { - while (jpc_pchglist_numpchgs(cp->pchglist) > 0) { - pchg = jpc_pchglist_remove(cp->pchglist, 0); - jpc_pchg_destroy(pchg); - } - } - for (pchgno = 0; pchgno < poc->numpchgs; ++pchgno) { - if (!(pchg = jpc_pchg_copy(&poc->pchgs[pchgno]))) { - return -1; - } - if (jpc_pchglist_insert(cp->pchglist, -1, pchg)) { - return -1; - } - } - return 0; -} - -static jpc_fix_t jpc_calcabsstepsize(int stepsize, int numbits) -{ - jpc_fix_t absstepsize; - int n; - - absstepsize = jpc_inttofix(1); - n = JPC_FIX_FRACBITS - 11; - absstepsize |= (n >= 0) ? (JPC_QCX_GETMANT(stepsize) << n) : - (JPC_QCX_GETMANT(stepsize) >> (-n)); - n = numbits - JPC_QCX_GETEXPN(stepsize); - absstepsize = (n >= 0) ? (absstepsize << n) : (absstepsize >> (-n)); - return absstepsize; -} - -static void jpc_dequantize(jas_matrix_t *x, jpc_fix_t absstepsize) -{ - int i; - int j; - int t; - - assert(absstepsize >= 0); - if (absstepsize == jpc_inttofix(1)) { - return; - } - - for (i = 0; i < jas_matrix_numrows(x); ++i) { - for (j = 0; j < jas_matrix_numcols(x); ++j) { - t = jas_matrix_get(x, i, j); - if (t) { - t = jpc_fix_mul(t, absstepsize); - } else { - t = 0; - } - jas_matrix_set(x, i, j, t); - } - } - -} - -static void jpc_undo_roi(jas_matrix_t *x, int roishift, int bgshift, int numbps) -{ - int i; - int j; - int thresh; - jpc_fix_t val; - jpc_fix_t mag; - bool warn; - uint_fast32_t mask; - - if (roishift == 0 && bgshift == 0) { - return; - } - thresh = 1 << roishift; - - warn = false; - for (i = 0; i < jas_matrix_numrows(x); ++i) { - for (j = 0; j < jas_matrix_numcols(x); ++j) { - val = jas_matrix_get(x, i, j); - mag = JAS_ABS(val); - if (mag >= thresh) { - /* We are dealing with ROI data. */ - mag >>= roishift; - val = (val < 0) ? (-mag) : mag; - jas_matrix_set(x, i, j, val); - } else { - /* We are dealing with non-ROI (i.e., background) data. */ - mag <<= bgshift; - mask = (1 << numbps) - 1; - /* Perform a basic sanity check on the sample value. */ - /* Some implementations write garbage in the unused - most-significant bit planes introduced by ROI shifting. - Here we ensure that any such bits are masked off. */ - if (mag & (~mask)) { - if (!warn) { - jas_eprintf("warning: possibly corrupt code stream\n"); - warn = true; - } - mag &= mask; - } - val = (val < 0) ? (-mag) : mag; - jas_matrix_set(x, i, j, val); - } - } - } -} - -static jpc_dec_t *jpc_dec_create(jpc_dec_importopts_t *impopts, jas_stream_t *in) -{ - jpc_dec_t *dec; - - if (!(dec = jas_malloc(sizeof(jpc_dec_t)))) { - return 0; - } - - dec->image = 0; - dec->xstart = 0; - dec->ystart = 0; - dec->xend = 0; - dec->yend = 0; - dec->tilewidth = 0; - dec->tileheight = 0; - dec->tilexoff = 0; - dec->tileyoff = 0; - dec->numhtiles = 0; - dec->numvtiles = 0; - dec->numtiles = 0; - dec->tiles = 0; - dec->curtile = 0; - dec->numcomps = 0; - dec->in = in; - dec->cp = 0; - dec->maxlyrs = impopts->maxlyrs; - dec->maxpkts = impopts->maxpkts; -dec->numpkts = 0; - dec->ppmseqno = 0; - dec->state = 0; - dec->cmpts = 0; - dec->pkthdrstreams = 0; - dec->ppmstab = 0; - dec->curtileendoff = 0; - - return dec; -} - -static void jpc_dec_destroy(jpc_dec_t *dec) -{ - if (dec->cstate) { - jpc_cstate_destroy(dec->cstate); - } - if (dec->pkthdrstreams) { - jpc_streamlist_destroy(dec->pkthdrstreams); - } - if (dec->image) { - jas_image_destroy(dec->image); - } - - if (dec->cp) { - jpc_dec_cp_destroy(dec->cp); - } - - if (dec->cmpts) { - jas_free(dec->cmpts); - } - - if (dec->tiles) { - jas_free(dec->tiles); - } - - jas_free(dec); -} - -/******************************************************************************\ -* -\******************************************************************************/ - -void jpc_seglist_insert(jpc_dec_seglist_t *list, jpc_dec_seg_t *ins, jpc_dec_seg_t *node) -{ - jpc_dec_seg_t *prev; - jpc_dec_seg_t *next; - - prev = ins; - node->prev = prev; - next = prev ? (prev->next) : 0; - node->prev = prev; - node->next = next; - if (prev) { - prev->next = node; - } else { - list->head = node; - } - if (next) { - next->prev = node; - } else { - list->tail = node; - } -} - -void jpc_seglist_remove(jpc_dec_seglist_t *list, jpc_dec_seg_t *seg) -{ - jpc_dec_seg_t *prev; - jpc_dec_seg_t *next; - - prev = seg->prev; - next = seg->next; - if (prev) { - prev->next = next; - } else { - list->head = next; - } - if (next) { - next->prev = prev; - } else { - list->tail = prev; - } - seg->prev = 0; - seg->next = 0; -} - -jpc_dec_seg_t *jpc_seg_alloc() -{ - jpc_dec_seg_t *seg; - - if (!(seg = jas_malloc(sizeof(jpc_dec_seg_t)))) { - return 0; - } - seg->prev = 0; - seg->next = 0; - seg->passno = -1; - seg->numpasses = 0; - seg->maxpasses = 0; - seg->type = JPC_SEG_INVALID; - seg->stream = 0; - seg->cnt = 0; - seg->complete = 0; - seg->lyrno = -1; - return seg; -} - -void jpc_seg_destroy(jpc_dec_seg_t *seg) -{ - if (seg->stream) { - jas_stream_close(seg->stream); - } - jas_free(seg); -} - -static int jpc_dec_dump(jpc_dec_t *dec, FILE *out) -{ - jpc_dec_tile_t *tile; - int tileno; - jpc_dec_tcomp_t *tcomp; - int compno; - jpc_dec_rlvl_t *rlvl; - int rlvlno; - jpc_dec_band_t *band; - int bandno; - jpc_dec_prc_t *prc; - int prcno; - jpc_dec_cblk_t *cblk; - int cblkno; - - for (tileno = 0, tile = dec->tiles; tileno < dec->numtiles; - ++tileno, ++tile) { - for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; - ++compno, ++tcomp) { - for (rlvlno = 0, rlvl = tcomp->rlvls; rlvlno < - tcomp->numrlvls; ++rlvlno, ++rlvl) { -fprintf(out, "RESOLUTION LEVEL %d\n", rlvlno); -fprintf(out, "xs =%d, ys = %d, xe = %d, ye = %d, w = %d, h = %d\n", - rlvl->xstart, rlvl->ystart, rlvl->xend, rlvl->yend, rlvl->xend - - rlvl->xstart, rlvl->yend - rlvl->ystart); - for (bandno = 0, band = rlvl->bands; - bandno < rlvl->numbands; ++bandno, ++band) { -fprintf(out, "BAND %d\n", bandno); -fprintf(out, "xs =%d, ys = %d, xe = %d, ye = %d, w = %d, h = %d\n", - jas_seq2d_xstart(band->data), jas_seq2d_ystart(band->data), jas_seq2d_xend(band->data), - jas_seq2d_yend(band->data), jas_seq2d_xend(band->data) - jas_seq2d_xstart(band->data), - jas_seq2d_yend(band->data) - jas_seq2d_ystart(band->data)); - for (prcno = 0, prc = band->prcs; - prcno < rlvl->numprcs; ++prcno, - ++prc) { -fprintf(out, "CODE BLOCK GROUP %d\n", prcno); -fprintf(out, "xs =%d, ys = %d, xe = %d, ye = %d, w = %d, h = %d\n", - prc->xstart, prc->ystart, prc->xend, prc->yend, prc->xend - - prc->xstart, prc->yend - prc->ystart); - for (cblkno = 0, cblk = - prc->cblks; cblkno < - prc->numcblks; ++cblkno, - ++cblk) { -fprintf(out, "CODE BLOCK %d\n", cblkno); -fprintf(out, "xs =%d, ys = %d, xe = %d, ye = %d, w = %d, h = %d\n", - jas_seq2d_xstart(cblk->data), jas_seq2d_ystart(cblk->data), jas_seq2d_xend(cblk->data), - jas_seq2d_yend(cblk->data), jas_seq2d_xend(cblk->data) - jas_seq2d_xstart(cblk->data), - jas_seq2d_yend(cblk->data) - jas_seq2d_ystart(cblk->data)); - } - } - } - } - } - } - - return 0; -} - -jpc_streamlist_t *jpc_streamlist_create() -{ - jpc_streamlist_t *streamlist; - int i; - - if (!(streamlist = jas_malloc(sizeof(jpc_streamlist_t)))) { - return 0; - } - streamlist->numstreams = 0; - streamlist->maxstreams = 100; - if (!(streamlist->streams = jas_malloc(streamlist->maxstreams * - sizeof(jas_stream_t *)))) { - jas_free(streamlist); - return 0; - } - for (i = 0; i < streamlist->maxstreams; ++i) { - streamlist->streams[i] = 0; - } - return streamlist; -} - -int jpc_streamlist_insert(jpc_streamlist_t *streamlist, int streamno, - jas_stream_t *stream) -{ - jas_stream_t **newstreams; - int newmaxstreams; - int i; - /* Grow the array of streams if necessary. */ - if (streamlist->numstreams >= streamlist->maxstreams) { - newmaxstreams = streamlist->maxstreams + 1024; - if (!(newstreams = jas_realloc(streamlist->streams, - (newmaxstreams + 1024) * sizeof(jas_stream_t *)))) { - return -1; - } - for (i = streamlist->numstreams; i < streamlist->maxstreams; ++i) { - streamlist->streams[i] = 0; - } - streamlist->maxstreams = newmaxstreams; - streamlist->streams = newstreams; - } - if (streamno != streamlist->numstreams) { - /* Can only handle insertion at start of list. */ - return -1; - } - streamlist->streams[streamno] = stream; - ++streamlist->numstreams; - return 0; -} - -jas_stream_t *jpc_streamlist_remove(jpc_streamlist_t *streamlist, int streamno) -{ - jas_stream_t *stream; - int i; - if (streamno >= streamlist->numstreams) { - abort(); - } - stream = streamlist->streams[streamno]; - for (i = streamno + 1; i < streamlist->numstreams; ++i) { - streamlist->streams[i - 1] = streamlist->streams[i]; - } - --streamlist->numstreams; - return stream; -} - -void jpc_streamlist_destroy(jpc_streamlist_t *streamlist) -{ - int streamno; - if (streamlist->streams) { - for (streamno = 0; streamno < streamlist->numstreams; - ++streamno) { - jas_stream_close(streamlist->streams[streamno]); - } - jas_free(streamlist->streams); - } - jas_free(streamlist); -} - -jas_stream_t *jpc_streamlist_get(jpc_streamlist_t *streamlist, int streamno) -{ - assert(streamno < streamlist->numstreams); - return streamlist->streams[streamno]; -} - -int jpc_streamlist_numstreams(jpc_streamlist_t *streamlist) -{ - return streamlist->numstreams; -} - -jpc_ppxstab_t *jpc_ppxstab_create() -{ - jpc_ppxstab_t *tab; - - if (!(tab = jas_malloc(sizeof(jpc_ppxstab_t)))) { - return 0; - } - tab->numents = 0; - tab->maxents = 0; - tab->ents = 0; - return tab; -} - -void jpc_ppxstab_destroy(jpc_ppxstab_t *tab) -{ - int i; - for (i = 0; i < tab->numents; ++i) { - jpc_ppxstabent_destroy(tab->ents[i]); - } - if (tab->ents) { - jas_free(tab->ents); - } - jas_free(tab); -} - -int jpc_ppxstab_grow(jpc_ppxstab_t *tab, int maxents) -{ - jpc_ppxstabent_t **newents; - if (tab->maxents < maxents) { - newents = (tab->ents) ? jas_realloc(tab->ents, maxents * - sizeof(jpc_ppxstabent_t *)) : jas_malloc(maxents * sizeof(jpc_ppxstabent_t *)); - if (!newents) { - return -1; - } - tab->ents = newents; - tab->maxents = maxents; - } - return 0; -} - -int jpc_ppxstab_insert(jpc_ppxstab_t *tab, jpc_ppxstabent_t *ent) -{ - int inspt; - int i; - - for (i = 0; i < tab->numents; ++i) { - if (tab->ents[i]->ind > ent->ind) { - break; - } - } - inspt = i; - - if (tab->numents >= tab->maxents) { - if (jpc_ppxstab_grow(tab, tab->maxents + 128)) { - return -1; - } - } - - for (i = tab->numents; i > inspt; --i) { - tab->ents[i] = tab->ents[i - 1]; - } - tab->ents[i] = ent; - ++tab->numents; - - return 0; -} - -jpc_streamlist_t *jpc_ppmstabtostreams(jpc_ppxstab_t *tab) -{ - jpc_streamlist_t *streams; - uchar *dataptr; - uint_fast32_t datacnt; - uint_fast32_t tpcnt; - jpc_ppxstabent_t *ent; - int entno; - jas_stream_t *stream; - int n; - - if (!(streams = jpc_streamlist_create())) { - goto error; - } - - if (!tab->numents) { - return streams; - } - - entno = 0; - ent = tab->ents[entno]; - dataptr = ent->data; - datacnt = ent->len; - for (;;) { - - /* Get the length of the packet header data for the current - tile-part. */ - if (datacnt < 4) { - goto error; - } - if (!(stream = jas_stream_memopen(0, 0))) { - goto error; - } - if (jpc_streamlist_insert(streams, jpc_streamlist_numstreams(streams), - stream)) { - goto error; - } - tpcnt = (dataptr[0] << 24) | (dataptr[1] << 16) | (dataptr[2] << 8) - | dataptr[3]; - datacnt -= 4; - dataptr += 4; - - /* Get the packet header data for the current tile-part. */ - while (tpcnt) { - if (!datacnt) { - if (++entno >= tab->numents) { - goto error; - } - ent = tab->ents[entno]; - dataptr = ent->data; - datacnt = ent->len; - } - n = JAS_MIN(tpcnt, datacnt); - if (jas_stream_write(stream, dataptr, n) != n) { - goto error; - } - tpcnt -= n; - dataptr += n; - datacnt -= n; - } - jas_stream_rewind(stream); - if (!datacnt) { - if (++entno >= tab->numents) { - break; - } - ent = tab->ents[entno]; - dataptr = ent->data; - datacnt = ent->len; - } - } - - return streams; - -error: - jpc_streamlist_destroy(streams); - return 0; -} - -int jpc_pptstabwrite(jas_stream_t *out, jpc_ppxstab_t *tab) -{ - int i; - jpc_ppxstabent_t *ent; - for (i = 0; i < tab->numents; ++i) { - ent = tab->ents[i]; - if (jas_stream_write(out, ent->data, ent->len) != JAS_CAST(int, ent->len)) { - return -1; - } - } - return 0; -} - -jpc_ppxstabent_t *jpc_ppxstabent_create() -{ - jpc_ppxstabent_t *ent; - if (!(ent = jas_malloc(sizeof(jpc_ppxstabent_t)))) { - return 0; - } - ent->data = 0; - ent->len = 0; - ent->ind = 0; - return ent; -} - -void jpc_ppxstabent_destroy(jpc_ppxstabent_t *ent) -{ - if (ent->data) { - jas_free(ent->data); - } - jas_free(ent); -} |