-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/** @defgroup T1 T1 - Implementation of the tier-1 coding */\r
-/*@{*/\r
-\r
-/** @name Local static functions */\r
-/*@{*/\r
-\r
-static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient);\r
-static int t1_getctxno_sc(opj_t1_t *t1, int f);\r
-static int t1_getctxno_mag(opj_t1_t *t1, int f);\r
-static int t1_getspb(opj_t1_t *t1, int f);\r
-static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos);\r
-static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos);\r
-static void t1_updateflags(int *fp, int s);\r
-/**\r
-Encode significant pass\r
-*/\r
-static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc);\r
-/**\r
-Decode significant pass\r
-*/\r
-static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc);\r
-/**\r
-Encode significant pass\r
-*/\r
-static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty);\r
-/**\r
-Decode significant pass\r
-*/\r
-static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty);\r
-/**\r
-Encode refinement pass\r
-*/\r
-static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc);\r
-/**\r
-Decode refinement pass\r
-*/\r
-static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc);\r
-/**\r
-Encode refinement pass\r
-*/\r
-static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty);\r
-/**\r
-Decode refinement pass\r
-*/\r
-static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty);\r
-/**\r
-Encode clean-up pass\r
-*/\r
-static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc);\r
-/**\r
-Decode clean-up pass\r
-*/\r
-static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc);\r
-/**\r
-Encode clean-up pass\r
-*/\r
-static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty);\r
-/**\r
-Decode clean-up pass\r
-*/\r
-static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty);\r
-static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps);\r
-/**\r
-Encode 1 code-block\r
-@param t1 T1 handle\r
-@param cblk Code-block coding parameters\r
-@param orient\r
-@param compno Component number\r
-@param level\r
-@param qmfbid\r
-@param stepsize\r
-@param cblksty Code-block style\r
-@param numcomps\r
-@param tile\r
-*/\r
-static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile);\r
-/**\r
-Decode 1 code-block\r
-@param t1 T1 handle\r
-@param cblk Code-block coding parameters\r
-@param orient\r
-@param roishift Region of interest shifting value\r
-@param cblksty Code-block style\r
-*/\r
-static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty);\r
-static int t1_init_ctxno_zc(int f, int orient);\r
-static int t1_init_ctxno_sc(int f);\r
-static int t1_init_ctxno_mag(int f);\r
-static int t1_init_spb(int f);\r
-/**\r
-Initialize the look-up tables of the Tier-1 coder/decoder\r
-@param t1 T1 handle\r
-*/\r
-static void t1_init_luts(opj_t1_t *t1);\r
-\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient) {\r
- return t1->lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];\r
-}\r
-\r
-static int t1_getctxno_sc(opj_t1_t *t1, int f) {\r
- return t1->lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];\r
-}\r
-\r
-static int t1_getctxno_mag(opj_t1_t *t1, int f) {\r
- return t1->lut_ctxno_mag[(f & T1_SIG_OTH) | (((f & T1_REFINE) != 0) << 11)];\r
-}\r
-\r
-static int t1_getspb(opj_t1_t *t1, int f) {\r
- return t1->lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];\r
-}\r
-\r
-static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos) {\r
- if (bitpos > T1_NMSEDEC_FRACBITS) {\r
- return t1->lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];\r
- }\r
- \r
- return t1->lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];\r
-}\r
-\r
-static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos) {\r
- if (bitpos > T1_NMSEDEC_FRACBITS) {\r
- return t1->lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];\r
- }\r
-\r
- return t1->lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];\r
-}\r
-\r
-static void t1_updateflags(int *fp, int s) {\r
- int *np = fp - (T1_MAXCBLKW + 2);\r
- int *sp = fp + (T1_MAXCBLKW + 2);\r
- np[-1] |= T1_SIG_SE;\r
- np[1] |= T1_SIG_SW;\r
- sp[-1] |= T1_SIG_NE;\r
- sp[1] |= T1_SIG_NW;\r
- *np |= T1_SIG_S;\r
- *sp |= T1_SIG_N;\r
- fp[-1] |= T1_SIG_E;\r
- fp[1] |= T1_SIG_W;\r
- if (s) {\r
- *np |= T1_SGN_S;\r
- *sp |= T1_SGN_N;\r
- fp[-1] |= T1_SGN_E;\r
- fp[1] |= T1_SGN_W;\r
- }\r
-}\r
-\r
-static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc) {\r
- int v, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {\r
- v = int_abs(*dp) & one ? 1 : 0;\r
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient)); /* ESSAI */\r
- mqc_bypass_enc(mqc, v);\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));\r
- mqc_encode(mqc, v);\r
- }\r
- if (v) {\r
- v = *dp < 0 ? 1 : 0;\r
- *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);\r
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag)); /* ESSAI */\r
- mqc_bypass_enc(mqc, v);\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));\r
- mqc_encode(mqc, v ^ t1_getspb(t1, flag));\r
- }\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- *fp |= T1_VISIT;\r
- }\r
-}\r
-\r
-static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc) {\r
- int v, flag;\r
- \r
- opj_raw_t *raw = t1->raw; /* RAW component */\r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {\r
- if (type == T1_TYPE_RAW) {\r
- if (raw_decode(raw)) {\r
- v = raw_decode(raw); /* ESSAI */\r
- *dp = v ? -oneplushalf : oneplushalf;\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));\r
- if (mqc_decode(mqc)) {\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));\r
- v = mqc_decode(mqc) ^ t1_getspb(t1, flag);\r
- *dp = v ? -oneplushalf : oneplushalf;\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- }\r
- *fp |= T1_VISIT;\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty) {\r
- int i, j, k, one, vsc;\r
- *nmsedec = 0;\r
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- for (j = k; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_enc_sigpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, type, vsc);\r
- }\r
- }\r
- }\r
-}\r
-\r
-static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty) {\r
- int i, j, k, one, half, oneplushalf, vsc;\r
- one = 1 << bpno;\r
- half = one >> 1;\r
- oneplushalf = one | half;\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- for (j = k; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_dec_sigpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, oneplushalf, type, vsc);\r
- }\r
- }\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc) {\r
- int v, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {\r
- *nmsedec += t1_getnmsedec_ref(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);\r
- v = int_abs(*dp) & one ? 1 : 0;\r
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */\r
- mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */\r
- mqc_bypass_enc(mqc, v);\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));\r
- mqc_encode(mqc, v);\r
- }\r
- *fp |= T1_REFINE;\r
- }\r
-}\r
-\r
-static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc) {\r
- int v, t, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- opj_raw_t *raw = t1->raw; /* RAW component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {\r
- if (type == T1_TYPE_RAW) {\r
- mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */\r
- v = raw_decode(raw);\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));\r
- v = mqc_decode(mqc);\r
- }\r
- t = v ? poshalf : neghalf;\r
- *dp += *dp < 0 ? -t : t;\r
- *fp |= T1_REFINE;\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty) {\r
- int i, j, k, one, vsc;\r
- *nmsedec = 0;\r
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- for (j = k; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_enc_refpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], bpno, one, nmsedec, type, vsc);\r
- }\r
- }\r
- }\r
-}\r
-\r
-static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty) {\r
- int i, j, k, one, poshalf, neghalf;\r
- int vsc;\r
- one = 1 << bpno;\r
- poshalf = one >> 1;\r
- neghalf = bpno > 0 ? -poshalf : -1;\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- for (j = k; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_dec_refpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], poshalf, neghalf, type, vsc);\r
- }\r
- }\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc) {\r
- int v, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if (partial) {\r
- goto LABEL_PARTIAL;\r
- }\r
- if (!(*fp & (T1_SIG | T1_VISIT))) {\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));\r
- v = int_abs(*dp) & one ? 1 : 0;\r
- mqc_encode(mqc, v);\r
- if (v) {\r
-LABEL_PARTIAL:\r
- *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));\r
- v = *dp < 0 ? 1 : 0;\r
- mqc_encode(mqc, v ^ t1_getspb(t1, flag));\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- }\r
- *fp &= ~T1_VISIT;\r
-}\r
-\r
-static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc) {\r
- int v, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if (partial) {\r
- goto LABEL_PARTIAL;\r
- }\r
- if (!(flag & (T1_SIG | T1_VISIT))) {\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));\r
- if (mqc_decode(mqc)) {\r
-LABEL_PARTIAL:\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));\r
- v = mqc_decode(mqc) ^ t1_getspb(t1, flag);\r
- *dp = v ? -oneplushalf : oneplushalf;\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- }\r
- *fp &= ~T1_VISIT;\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty) {\r
- int i, j, k, one, agg, runlen, vsc;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- *nmsedec = 0;\r
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- if (k + 3 < h) {\r
- if (cblksty & J2K_CCP_CBLKSTY_VSC) {\r
- agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || (t1->flags[1 + k + 3][1 + i] \r
- & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));\r
- } else {\r
- agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));\r
- }\r
- } else {\r
- agg = 0;\r
- }\r
- if (agg) {\r
- for (runlen = 0; runlen < 4; runlen++) {\r
- if (int_abs(t1->data[k + runlen][i]) & one)\r
- break;\r
- }\r
- mqc_setcurctx(mqc, T1_CTXNO_AGG);\r
- mqc_encode(mqc, runlen != 4);\r
- if (runlen == 4) {\r
- continue;\r
- }\r
- mqc_setcurctx(mqc, T1_CTXNO_UNI);\r
- mqc_encode(mqc, runlen >> 1);\r
- mqc_encode(mqc, runlen & 1);\r
- } else {\r
- runlen = 0;\r
- }\r
- for (j = k + runlen; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_enc_clnpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, agg && (j == k + runlen), vsc);\r
- }\r
- }\r
- }\r
-}\r
-\r
-static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty) {\r
- int i, j, k, one, half, oneplushalf, agg, runlen, vsc;\r
- int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- one = 1 << bpno;\r
- half = one >> 1;\r
- oneplushalf = one | half;\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- if (k + 3 < h) {\r
- if (cblksty & J2K_CCP_CBLKSTY_VSC) {\r
- agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || (t1->flags[1 + k + 3][1 + i] \r
- & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));\r
- } else {\r
- agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));\r
- }\r
- } else {\r
- agg = 0;\r
- }\r
- if (agg) {\r
- mqc_setcurctx(mqc, T1_CTXNO_AGG);\r
- if (!mqc_decode(mqc)) {\r
- continue;\r
- }\r
- mqc_setcurctx(mqc, T1_CTXNO_UNI);\r
- runlen = mqc_decode(mqc);\r
- runlen = (runlen << 1) | mqc_decode(mqc);\r
- } else {\r
- runlen = 0;\r
- }\r
- for (j = k + runlen; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_dec_clnpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, oneplushalf, agg && (j == k + runlen), vsc);\r
- }\r
- }\r
- }\r
- if (segsym) {\r
- int v = 0;\r
- mqc_setcurctx(mqc, T1_CTXNO_UNI);\r
- v = mqc_decode(mqc);\r
- v = (v << 1) | mqc_decode(mqc);\r
- v = (v << 1) | mqc_decode(mqc);\r
- v = (v << 1) | mqc_decode(mqc);\r
- /*\r
- if (v!=0xa) {\r
- opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);\r
- } \r
- */\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-\r
-/** mod fixed_quality */\r
-static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps) {\r
- double w1, w2, wmsedec;\r
- if (qmfbid == 1) {\r
- w1 = (numcomps > 1) ? mct_getnorm(compno) : 1;\r
- w2 = dwt_getnorm(level, orient);\r
- } else { /* if (qmfbid == 0) */\r
- w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1;\r
- w2 = dwt_getnorm_real(level, orient);\r
- }\r
- wmsedec = w1 * w2 * stepsize * (1 << bpno);\r
- wmsedec *= wmsedec * nmsedec / 8192.0;\r
- \r
- return wmsedec;\r
-}\r
-\r
-/** mod fixed_quality */\r
-static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile) {\r
- int i, j;\r
- int w, h;\r
- int passno;\r
- int bpno, passtype;\r
- int max;\r
- int nmsedec;\r
- double cumwmsedec = 0;\r
- char type = T1_TYPE_MQ;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- w = cblk->x1 - cblk->x0;\r
- h = cblk->y1 - cblk->y0;\r
- \r
- max = 0;\r
- for (j = 0; j < h; j++) {\r
- for (i = 0; i < w; i++) {\r
- max = int_max(max, int_abs(t1->data[j][i]));\r
- }\r
- }\r
- \r
- cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;\r
- \r
- /* Changed by Dmitry Kolyadin */\r
- for (i = 0; i <= w; i++) {\r
- for (j = 0; j <= h; j++) {\r
- t1->flags[j][i] = 0;\r
- }\r
- }\r
- \r
- bpno = cblk->numbps - 1;\r
- passtype = 2;\r
- \r
- mqc_resetstates(mqc);\r
- mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);\r
- mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);\r
- mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);\r
- mqc_init_enc(mqc, cblk->data);\r
- \r
- for (passno = 0; bpno >= 0; passno++) {\r
- opj_tcd_pass_t *pass = &cblk->passes[passno];\r
- int correction = 3;\r
- type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;\r
- \r
- switch (passtype) {\r
- case 0:\r
- t1_enc_sigpass(t1, w, h, bpno, orient, &nmsedec, type, cblksty);\r
- break;\r
- case 1:\r
- t1_enc_refpass(t1, w, h, bpno, &nmsedec, type, cblksty);\r
- break;\r
- case 2:\r
- t1_enc_clnpass(t1, w, h, bpno, orient, &nmsedec, cblksty);\r
- /* code switch SEGMARK (i.e. SEGSYM) */\r
- if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)\r
- mqc_segmark_enc(mqc);\r
- break;\r
- }\r
- \r
- /* fixed_quality */\r
- cumwmsedec += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);\r
- tile->distotile += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);\r
- \r
- /* Code switch "RESTART" (i.e. TERMALL) */\r
- if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) {\r
- if (type == T1_TYPE_RAW) {\r
- mqc_flush(mqc);\r
- correction = 1;\r
- /* correction = mqc_bypass_flush_enc(); */\r
- } else { /* correction = mqc_restart_enc(); */\r
- mqc_flush(mqc);\r
- correction = 1;\r
- }\r
- pass->term = 1;\r
- } else {\r
- if (((bpno < (cblk->numbps - 4) && (passtype > 0)) \r
- || ((bpno == (cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {\r
- if (type == T1_TYPE_RAW) {\r
- mqc_flush(mqc);\r
- correction = 1;\r
- /* correction = mqc_bypass_flush_enc(); */\r
- } else { /* correction = mqc_restart_enc(); */\r
- mqc_flush(mqc);\r
- correction = 1;\r
- }\r
- pass->term = 1;\r
- } else {\r
- pass->term = 0;\r
- }\r
- }\r
- \r
- if (++passtype == 3) {\r
- passtype = 0;\r
- bpno--;\r
- }\r
- \r
- if (pass->term && bpno > 0) {\r
- type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;\r
- if (type == T1_TYPE_RAW)\r
- mqc_bypass_init_enc(mqc);\r
- else\r
- mqc_restart_init_enc(mqc);\r
- }\r
- \r
- pass->distortiondec = cumwmsedec;\r
- pass->rate = mqc_numbytes(mqc) + correction; /* FIXME */\r
- pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);\r
- \r
- /* Code-switch "RESET" */\r
- if (cblksty & J2K_CCP_CBLKSTY_RESET)\r
- mqc_reset_enc(mqc);\r
- }\r
- \r
- /* Code switch "ERTERM" (i.e. PTERM) */\r
- if (cblksty & J2K_CCP_CBLKSTY_PTERM)\r
- mqc_erterm_enc(mqc);\r
- else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))\r
- mqc_flush(mqc);\r
- \r
- cblk->totalpasses = passno;\r
-}\r
-\r
-static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty) {\r
- int i, j, w, h;\r
- int bpno, passtype;\r
- int segno, passno;\r
- char type = T1_TYPE_MQ; /* BYPASS mode */\r
- \r
- opj_raw_t *raw = t1->raw; /* RAW component */\r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- w = cblk->x1 - cblk->x0;\r
- h = cblk->y1 - cblk->y0;\r
- \r
- /* Changed by Dmitry Kolyadin */\r
- for (j = 0; j <= h; j++) {\r
- for (i = 0; i <= w; i++) {\r
- t1->flags[j][i] = 0;\r
- }\r
- }\r
- \r
- /* Changed by Dmitry Kolyadin */\r
- for (i = 0; i < w; i++) {\r
- for (j = 0; j < h; j++){\r
- t1->data[j][i] = 0;\r
- }\r
- }\r
- \r
- bpno = roishift + cblk->numbps - 1;\r
- passtype = 2;\r
- \r
- mqc_resetstates(mqc);\r
- mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);\r
- mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);\r
- mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);\r
- \r
- for (segno = 0; segno < cblk->numsegs; segno++) {\r
- opj_tcd_seg_t *seg = &cblk->segs[segno];\r
- \r
- /* BYPASS mode */\r
- type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;\r
- if (type == T1_TYPE_RAW) {\r
- raw_init_dec(raw, seg->data, seg->len);\r
- } else {\r
- mqc_init_dec(mqc, seg->data, seg->len);\r
- }\r
- \r
- for (passno = 0; passno < seg->numpasses; passno++) {\r
- switch (passtype) {\r
- case 0:\r
- t1_dec_sigpass(t1, w, h, bpno+1, orient, type, cblksty);\r
- break;\r
- case 1:\r
- t1_dec_refpass(t1, w, h, bpno+1, type, cblksty);\r
- break;\r
- case 2:\r
- t1_dec_clnpass(t1, w, h, bpno+1, orient, cblksty);\r
- break;\r
- }\r
- \r
- if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {\r
- mqc_resetstates(mqc);\r
- mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46); \r
- mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);\r
- mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);\r
- }\r
- if (++passtype == 3) {\r
- passtype = 0;\r
- bpno--;\r
- }\r
- }\r
- }\r
-}\r
-\r
-static int t1_init_ctxno_zc(int f, int orient) {\r
- int h, v, d, n, t, hv;\r
- n = 0;\r
- h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0);\r
- v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0);\r
- d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != 0) + ((f & T1_SIG_SE) != 0) + ((f & T1_SIG_SW) != 0);\r
- \r
- switch (orient) {\r
- case 2:\r
- t = h;\r
- h = v;\r
- v = t;\r
- case 0:\r
- case 1:\r
- if (!h) {\r
- if (!v) {\r
- if (!d)\r
- n = 0;\r
- else if (d == 1)\r
- n = 1;\r
- else\r
- n = 2;\r
- } else if (v == 1) {\r
- n = 3;\r
- } else {\r
- n = 4;\r
- }\r
- } else if (h == 1) {\r
- if (!v) {\r
- if (!d)\r
- n = 5;\r
- else\r
- n = 6;\r
- } else {\r
- n = 7;\r
- }\r
- } else\r
- n = 8;\r
- break;\r
- case 3:\r
- hv = h + v;\r
- if (!d) {\r
- if (!hv) {\r
- n = 0;\r
- } else if (hv == 1) {\r
- n = 1;\r
- } else {\r
- n = 2;\r
- }\r
- } else if (d == 1) {\r
- if (!hv) {\r
- n = 3;\r
- } else if (hv == 1) {\r
- n = 4;\r
- } else {\r
- n = 5;\r
- }\r
- } else if (d == 2) {\r
- if (!hv) {\r
- n = 6;\r
- } else {\r
- n = 7;\r
- }\r
- } else {\r
- n = 8;\r
- }\r
- break;\r
- }\r
- \r
- return (T1_CTXNO_ZC + n);\r
-}\r
-\r
-static int t1_init_ctxno_sc(int f) {\r
- int hc, vc, n;\r
- n = 0;\r
-\r
- hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==\r
- T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),\r
- 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==\r
- (T1_SIG_E | T1_SGN_E)) +\r
- ((f & (T1_SIG_W | T1_SGN_W)) ==\r
- (T1_SIG_W | T1_SGN_W)), 1);\r
- \r
- vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==\r
- T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),\r
- 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==\r
- (T1_SIG_N | T1_SGN_N)) +\r
- ((f & (T1_SIG_S | T1_SGN_S)) ==\r
- (T1_SIG_S | T1_SGN_S)), 1);\r
- \r
- if (hc < 0) {\r
- hc = -hc;\r
- vc = -vc;\r
- }\r
- if (!hc) {\r
- if (vc == -1)\r
- n = 1;\r
- else if (!vc)\r
- n = 0;\r
- else\r
- n = 1;\r
- } else if (hc == 1) {\r
- if (vc == -1)\r
- n = 2;\r
- else if (!vc)\r
- n = 3;\r
- else\r
- n = 4;\r
- }\r
- \r
- return (T1_CTXNO_SC + n);\r
-}\r
-\r
-static int t1_init_ctxno_mag(int f) {\r
- int n;\r
- if (!(f & T1_REFINE))\r
- n = (f & (T1_SIG_OTH)) ? 1 : 0;\r
- else\r
- n = 2;\r
- \r
- return (T1_CTXNO_MAG + n);\r
-}\r
-\r
-static int t1_init_spb(int f) {\r
- int hc, vc, n;\r
- \r
- hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==\r
- T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),\r
- 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==\r
- (T1_SIG_E | T1_SGN_E)) +\r
- ((f & (T1_SIG_W | T1_SGN_W)) ==\r
- (T1_SIG_W | T1_SGN_W)), 1);\r
- \r
- vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==\r
- T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),\r
- 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==\r
- (T1_SIG_N | T1_SGN_N)) +\r
- ((f & (T1_SIG_S | T1_SGN_S)) ==\r
- (T1_SIG_S | T1_SGN_S)), 1);\r
- \r
- if (!hc && !vc)\r
- n = 0;\r
- else\r
- n = (!(hc > 0 || (!hc && vc > 0)));\r
- \r
- return n;\r
-}\r
-\r
-static void t1_init_luts(opj_t1_t *t1) {\r
- int i, j;\r
- double u, v, t;\r
- for (j = 0; j < 4; j++) {\r
- for (i = 0; i < 256; ++i) {\r
- t1->lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j);\r
- }\r
- }\r
- for (i = 0; i < 256; i++) {\r
- t1->lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);\r
- }\r
- for (j = 0; j < 2; j++) {\r
- for (i = 0; i < 2048; ++i) {\r
- t1->lut_ctxno_mag[(j << 11) + i] = t1_init_ctxno_mag((j ? T1_REFINE : 0) | i);\r
- }\r
- }\r
- for (i = 0; i < 256; ++i) {\r
- t1->lut_spb[i] = t1_init_spb(i << 4);\r
- }\r
- /* FIXME FIXME FIXME */\r
- /* fprintf(stdout,"nmsedec luts:\n"); */\r
- for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) {\r
- t = i / pow(2, T1_NMSEDEC_FRACBITS);\r
- u = t;\r
- v = t - 1.5;\r
- t1->lut_nmsedec_sig[i] = \r
- int_max(0, \r
- (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));\r
- t1->lut_nmsedec_sig0[i] =\r
- int_max(0,\r
- (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));\r
- u = t - 1.0;\r
- if (i & (1 << (T1_NMSEDEC_BITS - 1))) {\r
- v = t - 1.5;\r
- } else {\r
- v = t - 0.5;\r
- }\r
- t1->lut_nmsedec_ref[i] =\r
- int_max(0,\r
- (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));\r
- t1->lut_nmsedec_ref0[i] =\r
- int_max(0,\r
- (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));\r
- }\r
-}\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-opj_t1_t* t1_create(opj_common_ptr cinfo) {\r
- opj_t1_t *t1 = (opj_t1_t*)opj_malloc(sizeof(opj_t1_t));\r
- if(t1) {\r
- t1->cinfo = cinfo;\r
- /* create MQC and RAW handles */\r
- t1->mqc = mqc_create();\r
- t1->raw = raw_create();\r
- /* initialize the look-up tables of the Tier-1 coder/decoder */\r
- t1_init_luts(t1);\r
- }\r
- return t1;\r
-}\r
-\r
-void t1_destroy(opj_t1_t *t1) {\r
- if(t1) {\r
- /* destroy MQC and RAW handles */\r
- mqc_destroy(t1->mqc);\r
- raw_destroy(t1->raw);\r
- opj_free(t1);\r
- }\r
-}\r
-\r
-void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {\r
- int compno, resno, bandno, precno, cblkno;\r
- int x, y, i, j, orient;\r
- \r
- tile->distotile = 0; /* fixed_quality */\r
-\r
- for (compno = 0; compno < tile->numcomps; compno++) {\r
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];\r
-\r
- for (resno = 0; resno < tilec->numresolutions; resno++) {\r
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];\r
-\r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
-\r
- for (precno = 0; precno < res->pw * res->ph; precno++) {\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
-\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
-\r
- if (band->bandno == 0) {\r
- x = cblk->x0 - band->x0;\r
- y = cblk->y0 - band->y0;\r
- } else if (band->bandno == 1) {\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;\r
- y = cblk->y0 - band->y0;\r
- } else if (band->bandno == 2) {\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = cblk->x0 - band->x0;\r
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;\r
- } else { /* if (band->bandno == 3) */\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;\r
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;\r
- }\r
- \r
- if (tcp->tccps[compno].qmfbid == 1) {\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- t1->data[j][i] = \r
- tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0)] << T1_NMSEDEC_FRACBITS;\r
- }\r
- }\r
- } else if (tcp->tccps[compno].qmfbid == 0) {\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- t1->data[j][i] = \r
- fix_mul(\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)], \r
- 8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (13 - T1_NMSEDEC_FRACBITS);\r
- }\r
- }\r
- }\r
- orient = band->bandno; /* FIXME */\r
- if (orient == 2) {\r
- orient = 1;\r
- } else if (orient == 1) {\r
- orient = 2;\r
- }\r
-\r
- t1_encode_cblk(t1, cblk, orient, compno, tilec->numresolutions - 1 - resno, tcp->tccps[compno].qmfbid, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps, tile);\r
-\r
- } /* cblkno */\r
- } /* precno */\r
- } /* bandno */\r
- } /* resno */\r
- } /* compno */\r
-}\r
-\r
-void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {\r
- int compno, resno, bandno, precno, cblkno;\r
- \r
- for (compno = 0; compno < tile->numcomps; compno++) {\r
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];\r
-\r
- for (resno = 0; resno < tilec->numresolutions; resno++) {\r
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];\r
-\r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
-\r
- for (precno = 0; precno < res->pw * res->ph; precno++) {\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
-\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- int x, y, i, j, orient;\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
-\r
- orient = band->bandno; /* FIXME */\r
- if (orient == 2) {\r
- orient = 1;\r
- } else if (orient == 1) {\r
- orient = 2;\r
- }\r
- \r
- t1_decode_cblk(t1, cblk, orient, tcp->tccps[compno].roishift, tcp->tccps[compno].cblksty);\r
-\r
- if (band->bandno == 0) {\r
- x = cblk->x0 - band->x0;\r
- y = cblk->y0 - band->y0;\r
- } else if (band->bandno == 1) {\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;\r
- y = cblk->y0 - band->y0;\r
- } else if (band->bandno == 2) {\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = cblk->x0 - band->x0;\r
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;\r
- } else { /* if (band->bandno == 3) */\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;\r
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;\r
- }\r
- \r
- if (tcp->tccps[compno].roishift) {\r
- int thresh, val, mag;\r
- thresh = 1 << tcp->tccps[compno].roishift;\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- val = t1->data[j][i];\r
- mag = int_abs(val);\r
- if (mag >= thresh) {\r
- mag >>= tcp->tccps[compno].roishift;\r
- t1->data[j][i] = val < 0 ? -mag : mag;\r
- }\r
- }\r
- }\r
- }\r
- \r
- if (tcp->tccps[compno].qmfbid == 1) {\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- int tmp = t1->data[j][i];\r
- if(tmp >> 1 == 0) {\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;\r
- } else {\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = tmp<0?(tmp>>1)+1:(tmp>>1);\r
- }\r
- }\r
- }\r
- } else { /* if (tcp->tccps[compno].qmfbid == 0) */\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- double tmp = (double)(t1->data[j][i] * band->stepsize * 4096.0);\r
- if (t1->data[j][i] >> 1 == 0) {\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;\r
- } else {\r
- int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = ((tmp<0)?-tmp2:tmp2);\r
- }\r
- }\r
- }\r
- }\r
- } /* cblkno */\r
- } /* precno */\r
- } /* bandno */\r
- } /* resno */\r
- } /* compno */\r
-}\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/** @defgroup T1 T1 - Implementation of the tier-1 coding */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient);
+static int t1_getctxno_sc(opj_t1_t *t1, int f);
+static int t1_getctxno_mag(opj_t1_t *t1, int f);
+static int t1_getspb(opj_t1_t *t1, int f);
+static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos);
+static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos);
+static void t1_updateflags(int *fp, int s);
+/**
+Encode significant pass
+*/
+static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc);
+/**
+Decode significant pass
+*/
+static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc);
+/**
+Encode significant pass
+*/
+static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty);
+/**
+Decode significant pass
+*/
+static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty);
+/**
+Encode refinement pass
+*/
+static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc);
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc);
+/**
+Encode refinement pass
+*/
+static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty);
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty);
+/**
+Encode clean-up pass
+*/
+static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc);
+/**
+Decode clean-up pass
+*/
+static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc);
+/**
+Encode clean-up pass
+*/
+static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty);
+/**
+Decode clean-up pass
+*/
+static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty);
+static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps);
+/**
+Encode 1 code-block
+@param t1 T1 handle
+@param cblk Code-block coding parameters
+@param orient
+@param compno Component number
+@param level
+@param qmfbid
+@param stepsize
+@param cblksty Code-block style
+@param numcomps
+@param tile
+*/
+static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile);
+/**
+Decode 1 code-block
+@param t1 T1 handle
+@param cblk Code-block coding parameters
+@param orient
+@param roishift Region of interest shifting value
+@param cblksty Code-block style
+*/
+static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty);
+static int t1_init_ctxno_zc(int f, int orient);
+static int t1_init_ctxno_sc(int f);
+static int t1_init_ctxno_mag(int f);
+static int t1_init_spb(int f);
+/**
+Initialize the look-up tables of the Tier-1 coder/decoder
+@param t1 T1 handle
+*/
+static void t1_init_luts(opj_t1_t *t1);
+
+/*@}*/
+
+/*@}*/
+
+/* ----------------------------------------------------------------------- */
+
+static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient) {
+ return t1->lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
+}
+
+static int t1_getctxno_sc(opj_t1_t *t1, int f) {
+ return t1->lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+}
+
+static int t1_getctxno_mag(opj_t1_t *t1, int f) {
+ return t1->lut_ctxno_mag[(f & T1_SIG_OTH) | (((f & T1_REFINE) != 0) << 11)];
+}
+
+static int t1_getspb(opj_t1_t *t1, int f) {
+ return t1->lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+}
+
+static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos) {
+ if (bitpos > T1_NMSEDEC_FRACBITS) {
+ return t1->lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
+ }
+
+ return t1->lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+}
+
+static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos) {
+ if (bitpos > T1_NMSEDEC_FRACBITS) {
+ return t1->lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
+ }
+
+ return t1->lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+}
+
+static void t1_updateflags(int *fp, int s) {
+ int *np = fp - (T1_MAXCBLKW + 2);
+ int *sp = fp + (T1_MAXCBLKW + 2);
+ np[-1] |= T1_SIG_SE;
+ np[1] |= T1_SIG_SW;
+ sp[-1] |= T1_SIG_NE;
+ sp[1] |= T1_SIG_NW;
+ *np |= T1_SIG_S;
+ *sp |= T1_SIG_N;
+ fp[-1] |= T1_SIG_E;
+ fp[1] |= T1_SIG_W;
+ if (s) {
+ *np |= T1_SGN_S;
+ *sp |= T1_SGN_N;
+ fp[-1] |= T1_SGN_E;
+ fp[1] |= T1_SGN_W;
+ }
+}
+
+static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+ v = int_abs(*dp) & one ? 1 : 0;
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ mqc_encode(mqc, v);
+ }
+ if (v) {
+ v = *dp < 0 ? 1 : 0;
+ *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
+ mqc_encode(mqc, v ^ t1_getspb(t1, flag));
+ }
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ *fp |= T1_VISIT;
+ }
+}
+
+static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc) {
+ int v, flag;
+
+ opj_raw_t *raw = t1->raw; /* RAW component */
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+ if (type == T1_TYPE_RAW) {
+ if (raw_decode(raw)) {
+ v = raw_decode(raw); /* ESSAI */
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ if (mqc_decode(mqc)) {
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
+ v = mqc_decode(mqc) ^ t1_getspb(t1, flag);
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ }
+ *fp |= T1_VISIT;
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty) {
+ int i, j, k, one, vsc;
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_sigpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, type, vsc);
+ }
+ }
+ }
+}
+
+static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty) {
+ int i, j, k, one, half, oneplushalf, vsc;
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_sigpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, oneplushalf, type, vsc);
+ }
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ *nmsedec += t1_getnmsedec_ref(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ v = int_abs(*dp) & one ? 1 : 0;
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));
+ mqc_encode(mqc, v);
+ }
+ *fp |= T1_REFINE;
+ }
+}
+
+static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc) {
+ int v, t, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+ opj_raw_t *raw = t1->raw; /* RAW component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ if (type == T1_TYPE_RAW) {
+ mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */
+ v = raw_decode(raw);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));
+ v = mqc_decode(mqc);
+ }
+ t = v ? poshalf : neghalf;
+ *dp += *dp < 0 ? -t : t;
+ *fp |= T1_REFINE;
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty) {
+ int i, j, k, one, vsc;
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_refpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], bpno, one, nmsedec, type, vsc);
+ }
+ }
+ }
+}
+
+static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty) {
+ int i, j, k, one, poshalf, neghalf;
+ int vsc;
+ one = 1 << bpno;
+ poshalf = one >> 1;
+ neghalf = bpno > 0 ? -poshalf : -1;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_refpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], poshalf, neghalf, type, vsc);
+ }
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if (partial) {
+ goto LABEL_PARTIAL;
+ }
+ if (!(*fp & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ v = int_abs(*dp) & one ? 1 : 0;
+ mqc_encode(mqc, v);
+ if (v) {
+LABEL_PARTIAL:
+ *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
+ v = *dp < 0 ? 1 : 0;
+ mqc_encode(mqc, v ^ t1_getspb(t1, flag));
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ }
+ *fp &= ~T1_VISIT;
+}
+
+static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if (partial) {
+ goto LABEL_PARTIAL;
+ }
+ if (!(flag & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ if (mqc_decode(mqc)) {
+LABEL_PARTIAL:
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
+ v = mqc_decode(mqc) ^ t1_getspb(t1, flag);
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ }
+ *fp &= ~T1_VISIT;
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty) {
+ int i, j, k, one, agg, runlen, vsc;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ if (k + 3 < h) {
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+ agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || (t1->flags[1 + k + 3][1 + i]
+ & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ } else {
+ agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ }
+ } else {
+ agg = 0;
+ }
+ if (agg) {
+ for (runlen = 0; runlen < 4; runlen++) {
+ if (int_abs(t1->data[k + runlen][i]) & one)
+ break;
+ }
+ mqc_setcurctx(mqc, T1_CTXNO_AGG);
+ mqc_encode(mqc, runlen != 4);
+ if (runlen == 4) {
+ continue;
+ }
+ mqc_setcurctx(mqc, T1_CTXNO_UNI);
+ mqc_encode(mqc, runlen >> 1);
+ mqc_encode(mqc, runlen & 1);
+ } else {
+ runlen = 0;
+ }
+ for (j = k + runlen; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_clnpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, agg && (j == k + runlen), vsc);
+ }
+ }
+ }
+}
+
+static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty) {
+ int i, j, k, one, half, oneplushalf, agg, runlen, vsc;
+ int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ if (k + 3 < h) {
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+ agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || (t1->flags[1 + k + 3][1 + i]
+ & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ } else {
+ agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ }
+ } else {
+ agg = 0;
+ }
+ if (agg) {
+ mqc_setcurctx(mqc, T1_CTXNO_AGG);
+ if (!mqc_decode(mqc)) {
+ continue;
+ }
+ mqc_setcurctx(mqc, T1_CTXNO_UNI);
+ runlen = mqc_decode(mqc);
+ runlen = (runlen << 1) | mqc_decode(mqc);
+ } else {
+ runlen = 0;
+ }
+ for (j = k + runlen; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_clnpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, oneplushalf, agg && (j == k + runlen), vsc);
+ }
+ }
+ }
+ if (segsym) {
+ int v = 0;
+ mqc_setcurctx(mqc, T1_CTXNO_UNI);
+ v = mqc_decode(mqc);
+ v = (v << 1) | mqc_decode(mqc);
+ v = (v << 1) | mqc_decode(mqc);
+ v = (v << 1) | mqc_decode(mqc);
+ /*
+ if (v!=0xa) {
+ opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);
+ }
+ */
+ }
+} /* VSC and BYPASS by Antonin */
+
+
+/** mod fixed_quality */
+static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps) {
+ double w1, w2, wmsedec;
+ if (qmfbid == 1) {
+ w1 = (numcomps > 1) ? mct_getnorm(compno) : 1;
+ w2 = dwt_getnorm(level, orient);
+ } else { /* if (qmfbid == 0) */
+ w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1;
+ w2 = dwt_getnorm_real(level, orient);
+ }
+ wmsedec = w1 * w2 * stepsize * (1 << bpno);
+ wmsedec *= wmsedec * nmsedec / 8192.0;
+
+ return wmsedec;
+}
+
+/** mod fixed_quality */
+static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile) {
+ int i, j;
+ int w, h;
+ int passno;
+ int bpno, passtype;
+ int max;
+ int nmsedec = 0;
+ double cumwmsedec = 0;
+ char type = T1_TYPE_MQ;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ w = cblk->x1 - cblk->x0;
+ h = cblk->y1 - cblk->y0;
+
+ max = 0;
+ for (j = 0; j < h; j++) {
+ for (i = 0; i < w; i++) {
+ max = int_max(max, int_abs(t1->data[j][i]));
+ }
+ }
+
+ cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;
+
+ /* Changed by Dmitry Kolyadin */
+ for (i = 0; i <= w; i++) {
+ for (j = 0; j <= h; j++) {
+ t1->flags[j][i] = 0;
+ }
+ }
+
+ bpno = cblk->numbps - 1;
+ passtype = 2;
+
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+ mqc_init_enc(mqc, cblk->data);
+
+ for (passno = 0; bpno >= 0; passno++) {
+ opj_tcd_pass_t *pass = &cblk->passes[passno];
+ int correction = 3;
+ type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+
+ switch (passtype) {
+ case 0:
+ t1_enc_sigpass(t1, w, h, bpno, orient, &nmsedec, type, cblksty);
+ break;
+ case 1:
+ t1_enc_refpass(t1, w, h, bpno, &nmsedec, type, cblksty);
+ break;
+ case 2:
+ t1_enc_clnpass(t1, w, h, bpno, orient, &nmsedec, cblksty);
+ /* code switch SEGMARK (i.e. SEGSYM) */
+ if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
+ mqc_segmark_enc(mqc);
+ break;
+ }
+
+ /* fixed_quality */
+ cumwmsedec += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);
+ tile->distotile += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);
+
+ /* Code switch "RESTART" (i.e. TERMALL) */
+ if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) {
+ if (type == T1_TYPE_RAW) {
+ mqc_flush(mqc);
+ correction = 1;
+ /* correction = mqc_bypass_flush_enc(); */
+ } else { /* correction = mqc_restart_enc(); */
+ mqc_flush(mqc);
+ correction = 1;
+ }
+ pass->term = 1;
+ } else {
+ if (((bpno < (cblk->numbps - 4) && (passtype > 0))
+ || ((bpno == (cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {
+ if (type == T1_TYPE_RAW) {
+ mqc_flush(mqc);
+ correction = 1;
+ /* correction = mqc_bypass_flush_enc(); */
+ } else { /* correction = mqc_restart_enc(); */
+ mqc_flush(mqc);
+ correction = 1;
+ }
+ pass->term = 1;
+ } else {
+ pass->term = 0;
+ }
+ }
+
+ if (++passtype == 3) {
+ passtype = 0;
+ bpno--;
+ }
+
+ if (pass->term && bpno > 0) {
+ type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+ if (type == T1_TYPE_RAW)
+ mqc_bypass_init_enc(mqc);
+ else
+ mqc_restart_init_enc(mqc);
+ }
+
+ pass->distortiondec = cumwmsedec;
+ pass->rate = mqc_numbytes(mqc) + correction; /* FIXME */
+ pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
+
+ /* Code-switch "RESET" */
+ if (cblksty & J2K_CCP_CBLKSTY_RESET)
+ mqc_reset_enc(mqc);
+ }
+
+ /* Code switch "ERTERM" (i.e. PTERM) */
+ if (cblksty & J2K_CCP_CBLKSTY_PTERM)
+ mqc_erterm_enc(mqc);
+ else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
+ mqc_flush(mqc);
+
+ cblk->totalpasses = passno;
+}
+
+static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty) {
+ int i, j, w, h;
+ int bpno, passtype;
+ int segno, passno;
+ char type = T1_TYPE_MQ; /* BYPASS mode */
+
+ opj_raw_t *raw = t1->raw; /* RAW component */
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ w = cblk->x1 - cblk->x0;
+ h = cblk->y1 - cblk->y0;
+
+ /* Changed by Dmitry Kolyadin */
+ for (j = 0; j <= h; j++) {
+ for (i = 0; i <= w; i++) {
+ t1->flags[j][i] = 0;
+ }
+ }
+
+ /* Changed by Dmitry Kolyadin */
+ for (i = 0; i < w; i++) {
+ for (j = 0; j < h; j++){
+ t1->data[j][i] = 0;
+ }
+ }
+
+ bpno = roishift + cblk->numbps - 1;
+ passtype = 2;
+
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+
+ for (segno = 0; segno < cblk->numsegs; segno++) {
+ opj_tcd_seg_t *seg = &cblk->segs[segno];
+
+ /* BYPASS mode */
+ type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+ if (type == T1_TYPE_RAW) {
+ raw_init_dec(raw, seg->data, seg->len);
+ } else {
+ mqc_init_dec(mqc, seg->data, seg->len);
+ }
+
+ for (passno = 0; passno < seg->numpasses; passno++) {
+ switch (passtype) {
+ case 0:
+ t1_dec_sigpass(t1, w, h, bpno+1, orient, type, cblksty);
+ break;
+ case 1:
+ t1_dec_refpass(t1, w, h, bpno+1, type, cblksty);
+ break;
+ case 2:
+ t1_dec_clnpass(t1, w, h, bpno+1, orient, cblksty);
+ break;
+ }
+
+ if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+ }
+ if (++passtype == 3) {
+ passtype = 0;
+ bpno--;
+ }
+ }
+ }
+}
+
+static int t1_init_ctxno_zc(int f, int orient) {
+ int h, v, d, n, t, hv;
+ n = 0;
+ h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0);
+ v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0);
+ d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != 0) + ((f & T1_SIG_SE) != 0) + ((f & T1_SIG_SW) != 0);
+
+ switch (orient) {
+ case 2:
+ t = h;
+ h = v;
+ v = t;
+ case 0:
+ case 1:
+ if (!h) {
+ if (!v) {
+ if (!d)
+ n = 0;
+ else if (d == 1)
+ n = 1;
+ else
+ n = 2;
+ } else if (v == 1) {
+ n = 3;
+ } else {
+ n = 4;
+ }
+ } else if (h == 1) {
+ if (!v) {
+ if (!d)
+ n = 5;
+ else
+ n = 6;
+ } else {
+ n = 7;
+ }
+ } else
+ n = 8;
+ break;
+ case 3:
+ hv = h + v;
+ if (!d) {
+ if (!hv) {
+ n = 0;
+ } else if (hv == 1) {
+ n = 1;
+ } else {
+ n = 2;
+ }
+ } else if (d == 1) {
+ if (!hv) {
+ n = 3;
+ } else if (hv == 1) {
+ n = 4;
+ } else {
+ n = 5;
+ }
+ } else if (d == 2) {
+ if (!hv) {
+ n = 6;
+ } else {
+ n = 7;
+ }
+ } else {
+ n = 8;
+ }
+ break;
+ }
+
+ return (T1_CTXNO_ZC + n);
+}
+
+static int t1_init_ctxno_sc(int f) {
+ int hc, vc, n;
+ n = 0;
+
+ hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
+ 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ (T1_SIG_E | T1_SGN_E)) +
+ ((f & (T1_SIG_W | T1_SGN_W)) ==
+ (T1_SIG_W | T1_SGN_W)), 1);
+
+ vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
+ 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ (T1_SIG_N | T1_SGN_N)) +
+ ((f & (T1_SIG_S | T1_SGN_S)) ==
+ (T1_SIG_S | T1_SGN_S)), 1);
+
+ if (hc < 0) {
+ hc = -hc;
+ vc = -vc;
+ }
+ if (!hc) {
+ if (vc == -1)
+ n = 1;
+ else if (!vc)
+ n = 0;
+ else
+ n = 1;
+ } else if (hc == 1) {
+ if (vc == -1)
+ n = 2;
+ else if (!vc)
+ n = 3;
+ else
+ n = 4;
+ }
+
+ return (T1_CTXNO_SC + n);
+}
+
+static int t1_init_ctxno_mag(int f) {
+ int n;
+ if (!(f & T1_REFINE))
+ n = (f & (T1_SIG_OTH)) ? 1 : 0;
+ else
+ n = 2;
+
+ return (T1_CTXNO_MAG + n);
+}
+
+static int t1_init_spb(int f) {
+ int hc, vc, n;
+
+ hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
+ 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ (T1_SIG_E | T1_SGN_E)) +
+ ((f & (T1_SIG_W | T1_SGN_W)) ==
+ (T1_SIG_W | T1_SGN_W)), 1);
+
+ vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
+ 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ (T1_SIG_N | T1_SGN_N)) +
+ ((f & (T1_SIG_S | T1_SGN_S)) ==
+ (T1_SIG_S | T1_SGN_S)), 1);
+
+ if (!hc && !vc)
+ n = 0;
+ else
+ n = (!(hc > 0 || (!hc && vc > 0)));
+
+ return n;
+}
+
+static void t1_init_luts(opj_t1_t *t1) {
+ int i, j;
+ double u, v, t;
+ for (j = 0; j < 4; j++) {
+ for (i = 0; i < 256; ++i) {
+ t1->lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j);
+ }
+ }
+ for (i = 0; i < 256; i++) {
+ t1->lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);
+ }
+ for (j = 0; j < 2; j++) {
+ for (i = 0; i < 2048; ++i) {
+ t1->lut_ctxno_mag[(j << 11) + i] = t1_init_ctxno_mag((j ? T1_REFINE : 0) | i);
+ }
+ }
+ for (i = 0; i < 256; ++i) {
+ t1->lut_spb[i] = t1_init_spb(i << 4);
+ }
+ /* FIXME FIXME FIXME */
+ /* fprintf(stdout,"nmsedec luts:\n"); */
+ for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) {
+ t = i / pow(2, T1_NMSEDEC_FRACBITS);
+ u = t;
+ v = t - 1.5;
+ t1->lut_nmsedec_sig[i] =
+ int_max(0,
+ (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ t1->lut_nmsedec_sig0[i] =
+ int_max(0,
+ (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ u = t - 1.0;
+ if (i & (1 << (T1_NMSEDEC_BITS - 1))) {
+ v = t - 1.5;
+ } else {
+ v = t - 0.5;
+ }
+ t1->lut_nmsedec_ref[i] =
+ int_max(0,
+ (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ t1->lut_nmsedec_ref0[i] =
+ int_max(0,
+ (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ }
+}
+
+/* ----------------------------------------------------------------------- */
+
+opj_t1_t* t1_create(opj_common_ptr cinfo) {
+ opj_t1_t *t1 = (opj_t1_t*)opj_malloc(sizeof(opj_t1_t));
+ if(t1) {
+ t1->cinfo = cinfo;
+ /* create MQC and RAW handles */
+ t1->mqc = mqc_create();
+ t1->raw = raw_create();
+ /* initialize the look-up tables of the Tier-1 coder/decoder */
+ t1_init_luts(t1);
+ }
+ return t1;
+}
+
+void t1_destroy(opj_t1_t *t1) {
+ if(t1) {
+ /* destroy MQC and RAW handles */
+ mqc_destroy(t1->mqc);
+ raw_destroy(t1->raw);
+ opj_free(t1);
+ }
+}
+
+void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
+ int compno, resno, bandno, precno, cblkno;
+ int x, y, i, j, orient;
+
+ tile->distotile = 0; /* fixed_quality */
+
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
+
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ opj_tcd_resolution_t *res = &tilec->resolutions[resno];
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+
+ if (band->bandno == 0) {
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 1) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 2) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ } else { /* if (band->bandno == 3) */
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ }
+
+ if (tcp->tccps[compno].qmfbid == 1) {
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ t1->data[j][i] =
+ tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0)] << T1_NMSEDEC_FRACBITS;
+ }
+ }
+ } else if (tcp->tccps[compno].qmfbid == 0) {
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ t1->data[j][i] =
+ fix_mul(
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)],
+ 8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (13 - T1_NMSEDEC_FRACBITS);
+ }
+ }
+ }
+ orient = band->bandno; /* FIXME */
+ if (orient == 2) {
+ orient = 1;
+ } else if (orient == 1) {
+ orient = 2;
+ }
+
+ t1_encode_cblk(t1, cblk, orient, compno, tilec->numresolutions - 1 - resno, tcp->tccps[compno].qmfbid, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps, tile);
+
+ } /* cblkno */
+ } /* precno */
+ } /* bandno */
+ } /* resno */
+ } /* compno */
+}
+
+void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
+ int compno, resno, bandno, precno, cblkno;
+
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
+
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ opj_tcd_resolution_t *res = &tilec->resolutions[resno];
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ int x, y, i, j, orient;
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+
+ orient = band->bandno; /* FIXME */
+ if (orient == 2) {
+ orient = 1;
+ } else if (orient == 1) {
+ orient = 2;
+ }
+
+ t1_decode_cblk(t1, cblk, orient, tcp->tccps[compno].roishift, tcp->tccps[compno].cblksty);
+
+ if (band->bandno == 0) {
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 1) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 2) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ } else { /* if (band->bandno == 3) */
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ }
+
+ if (tcp->tccps[compno].roishift) {
+ int thresh, val, mag;
+ thresh = 1 << tcp->tccps[compno].roishift;
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ val = t1->data[j][i];
+ mag = int_abs(val);
+ if (mag >= thresh) {
+ mag >>= tcp->tccps[compno].roishift;
+ t1->data[j][i] = val < 0 ? -mag : mag;
+ }
+ }
+ }
+ }
+
+ if (tcp->tccps[compno].qmfbid == 1) {
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ int tmp = t1->data[j][i];
+ if(tmp >> 1 == 0) {
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;
+ } else {
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = tmp<0?(tmp>>1)+1:(tmp>>1);
+ }
+ }
+ }
+ } else { /* if (tcp->tccps[compno].qmfbid == 0) */
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ double tmp = (double)(t1->data[j][i] * band->stepsize * 4096.0);
+ if (t1->data[j][i] >> 1 == 0) {
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;
+ } else {
+ int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = ((tmp<0)?-tmp2:tmp2);
+ }
+ }
+ }
+ }
+ } /* cblkno */
+ } /* precno */
+ } /* bandno */
+ } /* resno */
+ } /* compno */
+}
+
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff