diff options
Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/jpc/jpc_t2dec.c')
| -rw-r--r-- | src/3rdparty/jasper/src/libjasper/jpc/jpc_t2dec.c | 581 |
1 files changed, 0 insertions, 581 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/jpc/jpc_t2dec.c b/src/3rdparty/jasper/src/libjasper/jpc/jpc_t2dec.c deleted file mode 100644 index 7a001b3..0000000 --- a/src/3rdparty/jasper/src/libjasper/jpc/jpc_t2dec.c +++ /dev/null @@ -1,581 +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__ - */ - -/* - * Tier 2 Decoder - * - * $Id$ - */ - -/******************************************************************************\ -* Includes. -\******************************************************************************/ - -#include <stdio.h> -#include <stdlib.h> -#include <assert.h> - -#include "jasper/jas_types.h" -#include "jasper/jas_fix.h" -#include "jasper/jas_malloc.h" -#include "jasper/jas_math.h" -#include "jasper/jas_stream.h" -#include "jasper/jas_debug.h" - -#include "jpc_bs.h" -#include "jpc_dec.h" -#include "jpc_cs.h" -#include "jpc_mqdec.h" -#include "jpc_t2dec.h" -#include "jpc_t1cod.h" -#include "jpc_math.h" - -/******************************************************************************\ -* -\******************************************************************************/ - -long jpc_dec_lookahead(jas_stream_t *in); -static int jpc_getcommacode(jpc_bitstream_t *in); -static int jpc_getnumnewpasses(jpc_bitstream_t *in); -static int jpc_dec_decodepkt(jpc_dec_t *dec, jas_stream_t *pkthdrstream, jas_stream_t *in, int compno, int lvlno, - int prcno, int lyrno); - -/******************************************************************************\ -* Code. -\******************************************************************************/ - -static int jpc_getcommacode(jpc_bitstream_t *in) -{ - int n; - int v; - - n = 0; - for (;;) { - if ((v = jpc_bitstream_getbit(in)) < 0) { - return -1; - } - if (jpc_bitstream_eof(in)) { - return -1; - } - if (!v) { - break; - } - ++n; - } - - return n; -} - -static int jpc_getnumnewpasses(jpc_bitstream_t *in) -{ - int n; - - if ((n = jpc_bitstream_getbit(in)) > 0) { - if ((n = jpc_bitstream_getbit(in)) > 0) { - if ((n = jpc_bitstream_getbits(in, 2)) == 3) { - if ((n = jpc_bitstream_getbits(in, 5)) == 31) { - if ((n = jpc_bitstream_getbits(in, 7)) >= 0) { - n += 36 + 1; - } - } else if (n >= 0) { - n += 5 + 1; - } - } else if (n >= 0) { - n += 2 + 1; - } - } else if (!n) { - n += 2; - } - } else if (!n) { - ++n; - } - - return n; -} - -static int jpc_dec_decodepkt(jpc_dec_t *dec, jas_stream_t *pkthdrstream, jas_stream_t *in, int compno, int rlvlno, - int prcno, int lyrno) -{ - jpc_bitstream_t *inb; - jpc_dec_tcomp_t *tcomp; - jpc_dec_rlvl_t *rlvl; - jpc_dec_band_t *band; - jpc_dec_cblk_t *cblk; - int n; - int m; - int i; - jpc_tagtreenode_t *leaf; - int included; - int ret; - int numnewpasses; - jpc_dec_seg_t *seg; - int len; - int present; - int savenumnewpasses; - int mycounter; - jpc_ms_t *ms; - jpc_dec_tile_t *tile; - jpc_dec_ccp_t *ccp; - jpc_dec_cp_t *cp; - int bandno; - jpc_dec_prc_t *prc; - int usedcblkcnt; - int cblkno; - uint_fast32_t bodylen; - bool discard; - int passno; - int maxpasses; - int hdrlen; - int hdroffstart; - int hdroffend; - - /* Avoid compiler warning about possible use of uninitialized - variable. */ - bodylen = 0; - - discard = (lyrno >= dec->maxlyrs); - - tile = dec->curtile; - cp = tile->cp; - ccp = &cp->ccps[compno]; - - /* - * Decode the packet header. - */ - - /* Decode the SOP marker segment if present. */ - if (cp->csty & JPC_COD_SOP) { - if (jpc_dec_lookahead(in) == JPC_MS_SOP) { - if (!(ms = jpc_getms(in, dec->cstate))) { - return -1; - } - if (jpc_ms_gettype(ms) != JPC_MS_SOP) { - jpc_ms_destroy(ms); - jas_eprintf("missing SOP marker segment\n"); - return -1; - } - jpc_ms_destroy(ms); - } - } - -hdroffstart = jas_stream_getrwcount(pkthdrstream); - - if (!(inb = jpc_bitstream_sopen(pkthdrstream, "r"))) { - return -1; - } - - if ((present = jpc_bitstream_getbit(inb)) < 0) { - return 1; - } - JAS_DBGLOG(10, ("\n", present)); - JAS_DBGLOG(10, ("present=%d ", present)); - - /* Is the packet non-empty? */ - if (present) { - /* The packet is non-empty. */ - tcomp = &tile->tcomps[compno]; - rlvl = &tcomp->rlvls[rlvlno]; - bodylen = 0; - for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; - ++bandno, ++band) { - if (!band->data) { - continue; - } - prc = &band->prcs[prcno]; - if (!prc->cblks) { - continue; - } - usedcblkcnt = 0; - for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; - ++cblkno, ++cblk) { - ++usedcblkcnt; - if (!cblk->numpasses) { - leaf = jpc_tagtree_getleaf(prc->incltagtree, usedcblkcnt - 1); - if ((included = jpc_tagtree_decode(prc->incltagtree, leaf, lyrno + 1, inb)) < 0) { - return -1; - } - } else { - if ((included = jpc_bitstream_getbit(inb)) < 0) { - return -1; - } - } - JAS_DBGLOG(10, ("\n")); - JAS_DBGLOG(10, ("included=%d ", included)); - if (!included) { - continue; - } - if (!cblk->numpasses) { - i = 1; - leaf = jpc_tagtree_getleaf(prc->numimsbstagtree, usedcblkcnt - 1); - for (;;) { - if ((ret = jpc_tagtree_decode(prc->numimsbstagtree, leaf, i, inb)) < 0) { - return -1; - } - if (ret) { - break; - } - ++i; - } - cblk->numimsbs = i - 1; - cblk->firstpassno = cblk->numimsbs * 3; - } - if ((numnewpasses = jpc_getnumnewpasses(inb)) < 0) { - return -1; - } - JAS_DBGLOG(10, ("numnewpasses=%d ", numnewpasses)); - seg = cblk->curseg; - savenumnewpasses = numnewpasses; - mycounter = 0; - if (numnewpasses > 0) { - if ((m = jpc_getcommacode(inb)) < 0) { - return -1; - } - cblk->numlenbits += m; - JAS_DBGLOG(10, ("increment=%d ", m)); - while (numnewpasses > 0) { - passno = cblk->firstpassno + cblk->numpasses + mycounter; - /* XXX - the maxpasses is not set precisely but this doesn't matter... */ - maxpasses = JPC_SEGPASSCNT(passno, cblk->firstpassno, 10000, (ccp->cblkctx & JPC_COX_LAZY) != 0, (ccp->cblkctx & JPC_COX_TERMALL) != 0); - if (!discard && !seg) { - if (!(seg = jpc_seg_alloc())) { - return -1; - } - jpc_seglist_insert(&cblk->segs, cblk->segs.tail, seg); - if (!cblk->curseg) { - cblk->curseg = seg; - } - seg->passno = passno; - seg->type = JPC_SEGTYPE(seg->passno, cblk->firstpassno, (ccp->cblkctx & JPC_COX_LAZY) != 0); - seg->maxpasses = maxpasses; - } - n = JAS_MIN(numnewpasses, maxpasses); - mycounter += n; - numnewpasses -= n; - if ((len = jpc_bitstream_getbits(inb, cblk->numlenbits + jpc_floorlog2(n))) < 0) { - return -1; - } - JAS_DBGLOG(10, ("len=%d ", len)); - if (!discard) { - seg->lyrno = lyrno; - seg->numpasses += n; - seg->cnt = len; - seg = seg->next; - } - bodylen += len; - } - } - cblk->numpasses += savenumnewpasses; - } - } - - jpc_bitstream_inalign(inb, 0, 0); - - } else { - if (jpc_bitstream_inalign(inb, 0x7f, 0)) { - jas_eprintf("alignment failed\n"); - return -1; - } - } - jpc_bitstream_close(inb); - - hdroffend = jas_stream_getrwcount(pkthdrstream); - hdrlen = hdroffend - hdroffstart; - if (jas_getdbglevel() >= 5) { - jas_eprintf("hdrlen=%lu bodylen=%lu \n", (unsigned long) hdrlen, - (unsigned long) bodylen); - } - - if (cp->csty & JPC_COD_EPH) { - if (jpc_dec_lookahead(pkthdrstream) == JPC_MS_EPH) { - if (!(ms = jpc_getms(pkthdrstream, dec->cstate))) { - jas_eprintf("cannot get (EPH) marker segment\n"); - return -1; - } - if (jpc_ms_gettype(ms) != JPC_MS_EPH) { - jpc_ms_destroy(ms); - jas_eprintf("missing EPH marker segment\n"); - return -1; - } - jpc_ms_destroy(ms); - } - } - - /* decode the packet body. */ - - if (jas_getdbglevel() >= 1) { - jas_eprintf("packet body offset=%06ld\n", (long) jas_stream_getrwcount(in)); - } - - if (!discard) { - tcomp = &tile->tcomps[compno]; - rlvl = &tcomp->rlvls[rlvlno]; - for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; - ++bandno, ++band) { - if (!band->data) { - continue; - } - prc = &band->prcs[prcno]; - if (!prc->cblks) { - continue; - } - for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; - ++cblkno, ++cblk) { - seg = cblk->curseg; - while (seg) { - if (!seg->stream) { - if (!(seg->stream = jas_stream_memopen(0, 0))) { - return -1; - } - } -#if 0 -jas_eprintf("lyrno=%02d, compno=%02d, lvlno=%02d, prcno=%02d, bandno=%02d, cblkno=%02d, passno=%02d numpasses=%02d cnt=%d numbps=%d, numimsbs=%d\n", lyrno, compno, rlvlno, prcno, band - rlvl->bands, cblk - prc->cblks, seg->passno, seg->numpasses, seg->cnt, band->numbps, cblk->numimsbs); -#endif - if (seg->cnt > 0) { - if (jpc_getdata(in, seg->stream, seg->cnt) < 0) { - return -1; - } - seg->cnt = 0; - } - if (seg->numpasses >= seg->maxpasses) { - cblk->curseg = seg->next; - } - seg = seg->next; - } - } - } - } else { - if (jas_stream_gobble(in, bodylen) != JAS_CAST(int, bodylen)) { - return -1; - } - } - return 0; -} - -/********************************************************************************************/ -/********************************************************************************************/ - -int jpc_dec_decodepkts(jpc_dec_t *dec, jas_stream_t *pkthdrstream, jas_stream_t *in) -{ - jpc_dec_tile_t *tile; - jpc_pi_t *pi; - int ret; - - tile = dec->curtile; - pi = tile->pi; - for (;;) { -if (!tile->pkthdrstream || jas_stream_peekc(tile->pkthdrstream) == EOF) { - switch (jpc_dec_lookahead(in)) { - case JPC_MS_EOC: - case JPC_MS_SOT: - return 0; - break; - case JPC_MS_SOP: - case JPC_MS_EPH: - case 0: - break; - default: - return -1; - break; - } -} - if ((ret = jpc_pi_next(pi))) { - return ret; - } -if (dec->maxpkts >= 0 && dec->numpkts >= dec->maxpkts) { - jas_eprintf("warning: stopping decode prematurely as requested\n"); - return 0; -} - if (jas_getdbglevel() >= 1) { - jas_eprintf("packet offset=%08ld prg=%d cmptno=%02d " - "rlvlno=%02d prcno=%03d lyrno=%02d\n", (long) - jas_stream_getrwcount(in), jpc_pi_prg(pi), jpc_pi_cmptno(pi), - jpc_pi_rlvlno(pi), jpc_pi_prcno(pi), jpc_pi_lyrno(pi)); - } - if (jpc_dec_decodepkt(dec, pkthdrstream, in, jpc_pi_cmptno(pi), jpc_pi_rlvlno(pi), - jpc_pi_prcno(pi), jpc_pi_lyrno(pi))) { - return -1; - } -++dec->numpkts; - } - - return 0; -} - -jpc_pi_t *jpc_dec_pi_create(jpc_dec_t *dec, jpc_dec_tile_t *tile) -{ - jpc_pi_t *pi; - int compno; - jpc_picomp_t *picomp; - jpc_pirlvl_t *pirlvl; - jpc_dec_tcomp_t *tcomp; - int rlvlno; - jpc_dec_rlvl_t *rlvl; - int prcno; - int *prclyrno; - jpc_dec_cmpt_t *cmpt; - - if (!(pi = jpc_pi_create0())) { - return 0; - } - pi->numcomps = dec->numcomps; - if (!(pi->picomps = jas_malloc(pi->numcomps * sizeof(jpc_picomp_t)))) { - jpc_pi_destroy(pi); - return 0; - } - for (compno = 0, picomp = pi->picomps; compno < pi->numcomps; ++compno, - ++picomp) { - picomp->pirlvls = 0; - } - - for (compno = 0, tcomp = tile->tcomps, picomp = pi->picomps; - compno < pi->numcomps; ++compno, ++tcomp, ++picomp) { - picomp->numrlvls = tcomp->numrlvls; - if (!(picomp->pirlvls = jas_malloc(picomp->numrlvls * - sizeof(jpc_pirlvl_t)))) { - jpc_pi_destroy(pi); - return 0; - } - for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno < - picomp->numrlvls; ++rlvlno, ++pirlvl) { - pirlvl->prclyrnos = 0; - } - for (rlvlno = 0, pirlvl = picomp->pirlvls, rlvl = tcomp->rlvls; - rlvlno < picomp->numrlvls; ++rlvlno, ++pirlvl, ++rlvl) { -/* XXX sizeof(long) should be sizeof different type */ - pirlvl->numprcs = rlvl->numprcs; - if (!(pirlvl->prclyrnos = jas_malloc(pirlvl->numprcs * - sizeof(long)))) { - jpc_pi_destroy(pi); - return 0; - } - } - } - - pi->maxrlvls = 0; - for (compno = 0, tcomp = tile->tcomps, picomp = pi->picomps, cmpt = - dec->cmpts; compno < pi->numcomps; ++compno, ++tcomp, ++picomp, - ++cmpt) { - picomp->hsamp = cmpt->hstep; - picomp->vsamp = cmpt->vstep; - for (rlvlno = 0, pirlvl = picomp->pirlvls, rlvl = tcomp->rlvls; - rlvlno < picomp->numrlvls; ++rlvlno, ++pirlvl, ++rlvl) { - pirlvl->prcwidthexpn = rlvl->prcwidthexpn; - pirlvl->prcheightexpn = rlvl->prcheightexpn; - for (prcno = 0, prclyrno = pirlvl->prclyrnos; - prcno < pirlvl->numprcs; ++prcno, ++prclyrno) { - *prclyrno = 0; - } - pirlvl->numhprcs = rlvl->numhprcs; - } - if (pi->maxrlvls < tcomp->numrlvls) { - pi->maxrlvls = tcomp->numrlvls; - } - } - - pi->numlyrs = tile->cp->numlyrs; - pi->xstart = tile->xstart; - pi->ystart = tile->ystart; - pi->xend = tile->xend; - pi->yend = tile->yend; - - pi->picomp = 0; - pi->pirlvl = 0; - pi->x = 0; - pi->y = 0; - pi->compno = 0; - pi->rlvlno = 0; - pi->prcno = 0; - pi->lyrno = 0; - pi->xstep = 0; - pi->ystep = 0; - - pi->pchgno = -1; - - pi->defaultpchg.prgord = tile->cp->prgord; - pi->defaultpchg.compnostart = 0; - pi->defaultpchg.compnoend = pi->numcomps; - pi->defaultpchg.rlvlnostart = 0; - pi->defaultpchg.rlvlnoend = pi->maxrlvls; - pi->defaultpchg.lyrnoend = pi->numlyrs; - pi->pchg = 0; - - pi->valid = 0; - - return pi; -} - -long jpc_dec_lookahead(jas_stream_t *in) -{ - uint_fast16_t x; - if (jpc_getuint16(in, &x)) { - return -1; - } - if (jas_stream_ungetc(in, x & 0xff) == EOF || - jas_stream_ungetc(in, x >> 8) == EOF) { - return -1; - } - if (x >= JPC_MS_INMIN && x <= JPC_MS_INMAX) { - return x; - } - return 0; -} |