/* | |
* Copyright (c) 2001-2003, David Janssens | |
* Copyright (c) 2002-2003, Yannick Verschueren | |
* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe | |
* Copyright (c) 2005, Herve 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 l, 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 l, 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 l, 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 l, 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 l, 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 l, int bpno, int orient, int cblksty); | |
/** | |
Encode 1 code-block | |
@param t1 T1 handle | |
@param cblk Code-block coding parameters | |
@param orient | |
@param compno Component number | |
@param level | |
@param dwtid | |
@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[3], int dwtid[3], 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 l, int bpno, int orient, int *nmsedec, char type, int cblksty) { | |
int i, j, k, m, one, vsc; | |
*nmsedec = 0; | |
one = 1 << (bpno + T1_NMSEDEC_FRACBITS); | |
for (m = 0; m < l; m++) { | |
for (k = 0; k < h; k += 4) { | |
for (i = 0; i < w; i++) { | |
for (j = k; j < k + 4 && j < h; j++) { | |
vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; | |
t1_enc_sigpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][j][i], orient, bpno, one, nmsedec, type, vsc); | |
} | |
} | |
} | |
} | |
} | |
static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int l, int bpno, int orient, char type, int cblksty) { | |
int i, j, k, m, one, half, oneplushalf, vsc; | |
one = 1 << bpno; | |
half = one >> 1; | |
oneplushalf = one | half; | |
for (m = 0; m < l; m++) { | |
for (k = 0; k < h; k += 4) { | |
for (i = 0; i < w; i++) { | |
for (j = k; j < k + 4 && j < h; j++) { | |
vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; | |
t1_dec_sigpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][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 l, int bpno, int *nmsedec, char type, int cblksty) { | |
int i, j, k, m, one, vsc; | |
*nmsedec = 0; | |
one = 1 << (bpno + T1_NMSEDEC_FRACBITS); | |
for (m = 0; m < l; m++) { | |
for (k = 0; k < h; k += 4) { | |
for (i = 0; i < w; i++) { | |
for (j = k; j < k + 4 && j < h; j++) { | |
vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; | |
t1_enc_refpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][j][i], bpno, one, nmsedec, type, vsc); | |
} | |
} | |
} | |
} | |
} | |
static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int l, int bpno, char type, int cblksty) { | |
int i, j, k, m, one, poshalf, neghalf; | |
int vsc; | |
one = 1 << bpno; | |
poshalf = one >> 1; | |
neghalf = bpno > 0 ? -poshalf : -1; | |
for (m = 0; m < l; m++) { | |
for (k = 0; k < h; k += 4) { | |
for (i = 0; i < w; i++) { | |
for (j = k; j < k + 4 && j < h; j++) { | |
vsc = ((cblksty & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; | |
t1_dec_refpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][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 l, int bpno, int orient, int *nmsedec, int cblksty) { | |
int i, j, k, m, one, agg, runlen, vsc; | |
opj_mqc_t *mqc = t1->mqc; /* MQC component */ | |
*nmsedec = 0; | |
one = 1 << (bpno + T1_NMSEDEC_FRACBITS); | |
for (m = 0; m < l; m++) { | |
for (k = 0; k < h; k += 4) { | |
for (i = 0; i < w; i++) { | |
if (k + 3 < h) { | |
if (cblksty & J3D_CCP_CBLKSTY_VSC) { | |
agg = !(t1->flags[1 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| (t1->flags[1 + m][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 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][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[m][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 & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; | |
t1_enc_clnpass_step(t1, &(t1->flags[1 + m][1 + j][1 + i]), &(t1->data[m][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 l, int bpno, int orient, int cblksty) { | |
int i, j, k, m, one, half, oneplushalf, agg, runlen, vsc; | |
int segsym = cblksty & J3D_CCP_CBLKSTY_SEGSYM; | |
opj_mqc_t *mqc = t1->mqc; /* MQC component */ | |
one = 1 << bpno; | |
half = one >> 1; | |
oneplushalf = one | half; | |
for (m = 0; m < l; m++) { | |
for (k = 0; k < h; k += 4) { | |
for (i = 0; i < w; i++) { | |
if (k + 3 < h) { | |
if (cblksty & J3D_CCP_CBLKSTY_VSC) { | |
agg = !(t1->flags[1 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| (t1->flags[1 + m][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 + m][1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH) | |
|| t1->flags[1 + m][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 & J3D_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0; | |
t1_dec_clnpass_step(t1, &t1->flags[1 + m][1 + j][1 + i], &t1->data[m][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 */ | |
static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level[3], int dwtid[3], double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile) { | |
int i, j, k; | |
int w, h, l; | |
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; | |
l = cblk->z1 - cblk->z0; | |
max = 0; | |
for (k = 0; k < l; k++) { | |
for (j = 0; j < h; j++) { | |
for (i = 0; i < w; i++) { | |
max = int_max(max, int_abs(t1->data[k][j][i])); | |
} | |
} | |
} | |
for (k = 0; k <= l; k++) { | |
for (j = 0; j <= h; j++) { | |
for (i = 0; i <= w; i++) { | |
t1->flags[k][j][i] = 0; | |
} | |
} | |
} | |
cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0; | |
bpno = cblk->numbps - 1; | |
passtype = 2; | |
mqc_reset_enc(mqc); | |
mqc_init_enc(mqc, cblk->data); | |
for (passno = 0; bpno >= 0; passno++) { | |
opj_tcd_pass_t *pass = &cblk->passes[passno]; | |
int correction = 3; | |
double tmpwmsedec; | |
type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J3D_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ; | |
//fprintf(stdout,"passno %d passtype %d w %d h %d l %d bpno %d orient %d type %d cblksty %d\n",passno,passtype,w,h,l,bpno,orient,type,cblksty); | |
switch (passtype) { | |
case 0: | |
t1_enc_sigpass(t1, w, h, l, bpno, orient, &nmsedec, type, cblksty); | |
break; | |
case 1: | |
t1_enc_refpass(t1, w, h, l, bpno, &nmsedec, type, cblksty); | |
break; | |
case 2: | |
//fprintf(stdout,"w %d h %d l %d bpno %d orient %d \n",w,h,l,bpno,orient); | |
t1_enc_clnpass(t1, w, h, l, bpno, orient, &nmsedec, cblksty); | |
/* code switch SEGMARK (i.e. SEGSYM) */ | |
if (cblksty & J3D_CCP_CBLKSTY_SEGSYM) | |
mqc_segmark_enc(mqc); | |
break; | |
} | |
/* fixed_quality */ | |
tmpwmsedec = t1_getwmsedec(nmsedec, compno, level, orient, bpno, stepsize, numcomps, dwtid); | |
cumwmsedec += tmpwmsedec; | |
tile->distotile += tmpwmsedec; | |
/* Code switch "RESTART" (i.e. TERMALL) */ | |
if ((cblksty & J3D_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 & J3D_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 & J3D_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 & J3D_CCP_CBLKSTY_RESET) | |
mqc_reset_enc(mqc); | |
} | |
/* Code switch "ERTERM" (i.e. PTERM) */ | |
if (cblksty & J3D_CCP_CBLKSTY_PTERM) | |
mqc_erterm_enc(mqc); | |
else /* Default coding */ if (!(cblksty & J3D_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, k, w, h, l; | |
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; | |
l = cblk->z1 - cblk->z0; | |
for (k = 0; k < l; k++) { | |
for (j = 0; j < h; j++) { | |
for (i = 0; i < w; i++) { | |
t1->data[k][j][i] = 0; | |
} | |
} | |
} | |
for (k = 0; k <= l; k++) { | |
for (j = 0; j <= h; j++) { | |
for (i = 0; i <= w; i++) { | |
t1->flags[k][j][i] = 0; | |
} | |
} | |
} | |
bpno = roishift + cblk->numbps - 1; | |
passtype = 2; | |
mqc_reset_enc(mqc); | |
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 & J3D_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, l, bpno+1, orient, type, cblksty); | |
break; | |
case 1: | |
t1_dec_refpass(t1, w, h, l, bpno+1, type, cblksty); | |
break; | |
case 2: | |
t1_dec_clnpass(t1, w, h, l, bpno+1, orient, cblksty); | |
break; | |
} | |
if ((cblksty & J3D_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) { | |
mqc_reset_enc(mqc); | |
} | |
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->data); | |
//opj_free(t1->flags); | |
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, z, i, j, k, orient; | |
int n=0; | |
int level[3]; | |
FILE *fid = NULL; | |
// char filename[10]; | |
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->numresolution[0]; resno++) { | |
opj_tcd_resolution_t *res = &tilec->resolutions[resno]; | |
/* Weighted first order entropy | |
sprintf(filename,"res%d.txt",resno); | |
if ((fid = fopen(filename,"w")) == 0){ | |
fprintf(stdout,"Error while opening %s\n", filename); | |
exit(1); | |
} | |
*/ | |
for (bandno = 0; bandno < res->numbands; bandno++) { | |
opj_tcd_band_t *band = &res->bands[bandno]; | |
for (precno = 0; precno < res->prctno[0] * res->prctno[1] * res->prctno[2]; precno++) { | |
opj_tcd_precinct_t *prc = &band->precincts[precno]; | |
for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]; cblkno++) { | |
opj_tcd_cblk_t *cblk = &prc->cblks[cblkno]; | |
//fprintf(stdout,"Precno %d Cblkno %d \n",precno,cblkno); | |
if (band->bandno == 0) { | |
x = cblk->x0 - band->x0; | |
y = cblk->y0 - band->y0; | |
z = cblk->z0 - band->z0; | |
} 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; | |
z = cblk->z0 - band->z0; | |
} 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; | |
z = cblk->z0 - band->z0; | |
} 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; | |
z = cblk->z0 - band->z0; | |
} else if (band->bandno == 4) { | |
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; | |
x = cblk->x0 - band->x0; | |
y = cblk->y0 - band->y0; | |
z = pres->z1 - pres->z0 + cblk->z0 - band->z0; | |
} else if (band->bandno == 5) { | |
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; | |
x = pres->x1 - pres->x0 + cblk->x0 - band->x0; | |
y = cblk->y0 - band->y0; | |
z = pres->z1 - pres->z0 + cblk->z0 - band->z0; | |
} else if (band->bandno == 6) { | |
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; | |
x = cblk->x0 - band->x0; | |
y = pres->y1 - pres->y0 + cblk->y0 - band->y0; | |
z = pres->z1 - pres->z0 + cblk->z0 - band->z0; | |
} else if (band->bandno == 7) { | |
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; | |
z = pres->z1 - pres->z0 + cblk->z0 - band->z0; | |
} | |
if (tcp->tccps[compno].reversible == 1) { | |
for (k = 0; k < cblk->z1 - cblk->z0; k++) { | |
for (j = 0; j < cblk->y1 - cblk->y0; j++) { | |
for (i = 0; i < cblk->x1 - cblk->x0; i++) { | |
t1->data[k][j][i] = | |
tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)] << T1_NMSEDEC_FRACBITS; | |
//fprintf(fid," %d",t1->data[k][j][i]); | |
} | |
} | |
} | |
} else if (tcp->tccps[compno].reversible == 0) { | |
for (k = 0; k < cblk->z1 - cblk->z0; k++) { | |
for (j = 0; j < cblk->y1 - cblk->y0; j++) { | |
for (i = 0; i < cblk->x1 - cblk->x0; i++) { | |
t1->data[k][j][i] = fix_mul( | |
tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)], | |
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; | |
} | |
for (i = 0; i < 3; i++) | |
level[i] = tilec->numresolution[i] - 1 - resno; | |
//fprintf(stdout,"t1_encode_cblk(t1, cblk, %d, %d, %d %d %d, %d, %f, %d, %d, tile);\n", orient, compno, level[0], level[1], level[2], tcp->tccps[compno].reversible, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps); | |
t1_encode_cblk(t1, cblk, orient, compno, level, tcp->tccps[compno].dwtid, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps, tile); | |
} /* cblkno */ | |
} /* precno */ | |
//fprintf(fid,"\n"); | |
} /* bandno */ | |
//fclose(fid); | |
} /* 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->numresolution[0]; 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->prctno[0] * res->prctno[1] * res->prctno[2]; precno++) { | |
opj_tcd_precinct_t *prc = &band->precincts[precno]; | |
for (cblkno = 0; cblkno < prc->cblkno[0] * prc->cblkno[1] * prc->cblkno[2]; cblkno++) { | |
int x, y, k, i, j, z, 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; | |
z = cblk->z0 - band->z0; | |
} 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; | |
z = cblk->z0 - band->z0; | |
} 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; | |
z = cblk->z0 - band->z0; | |
} 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; | |
z = cblk->z0 - band->z0; | |
} else if (band->bandno == 4) { | |
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; | |
x = cblk->x0 - band->x0; | |
y = cblk->y0 - band->y0; | |
z = pres->z1 - pres->z0 + cblk->z0 - band->z0; | |
} else if (band->bandno == 5) { | |
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; | |
x = pres->x1 - pres->x0 + cblk->x0 - band->x0; | |
y = cblk->y0 - band->y0; | |
z = pres->z1 - pres->z0 + cblk->z0 - band->z0; | |
} else if (band->bandno == 6) { | |
opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1]; | |
x = cblk->x0 - band->x0; | |
y = pres->y1 - pres->y0 + cblk->y0 - band->y0; | |
z = pres->z1 - pres->z0 + cblk->z0 - band->z0; | |
} else if (band->bandno == 7) { | |
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; | |
z = pres->z1 - pres->z0 + cblk->z0 - band->z0; | |
} | |
if (tcp->tccps[compno].roishift) { | |
int thresh, val, mag; | |
thresh = 1 << tcp->tccps[compno].roishift; | |
for (k = 0; k < cblk->z1 - cblk->z0; k++) { | |
for (j = 0; j < cblk->y1 - cblk->y0; j++) { | |
for (i = 0; i < cblk->x1 - cblk->x0; i++) { | |
val = t1->data[k][j][i]; | |
mag = int_abs(val); | |
if (mag >= thresh) { | |
mag >>= tcp->tccps[compno].roishift; | |
t1->data[k][j][i] = val < 0 ? -mag : mag; | |
} | |
} | |
} | |
} | |
} | |
if (tcp->tccps[compno].reversible == 1) { | |
for (k = 0; k < cblk->z1 - cblk->z0; k++) { | |
for (j = 0; j < cblk->y1 - cblk->y0; j++) { | |
for (i = 0; i < cblk->x1 - cblk->x0; i++) { | |
int tmp = t1->data[k][j][i]; | |
tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)] = tmp/2; | |
} | |
} | |
} | |
} else { /* if (tcp->tccps[compno].reversible == 0) */ | |
for (k = 0; k < cblk->z1 - cblk->z0; k++) { | |
for (j = 0; j < cblk->y1 - cblk->y0; j++) { | |
for (i = 0; i < cblk->x1 - cblk->x0; i++) { | |
double tmp = (double)(t1->data[k][j][i] * band->stepsize * 4096.0); | |
if (t1->data[k][j][i] >> 1 == 0) { | |
tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)] = 0; | |
} else { | |
int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2); | |
tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0) + (z + k) * (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)] = ((tmp<0)?-tmp2:tmp2); | |
} | |
} | |
} | |
} | |
} | |
} /* cblkno */ | |
} /* precno */ | |
} /* bandno */ | |
} /* resno */ | |
} /* compno */ | |
} | |
/** mod fixed_quality */ | |
double t1_getwmsedec(int nmsedec, int compno, int level[3], int orient, int bpno, double stepsize, int numcomps, int dwtid[3]) { | |
double w1, w2, wmsedec; | |
if (dwtid[0] == 1 || dwtid[1] == 1 || dwtid[2] == 1) { | |
w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1; | |
} else { | |
w1 = (numcomps > 1) ? mct_getnorm(compno) : 1; | |
} | |
w2 = dwt_getnorm(orient, level, dwtid); | |
//fprintf(stdout,"nmsedec %d level %d %d %d orient %d bpno %d stepsize %f \n",nmsedec ,level[0],level[1],level[2],orient,bpno,stepsize); | |
wmsedec = w1 * w2 * stepsize * (1 << bpno); | |
wmsedec *= wmsedec * nmsedec / 8192.0; | |
return wmsedec; | |
} | |
/** mod fixed_quality */ |