/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
- * Copyright (c) 2005, Herv� Drolon, FreeImage Team
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*/
#include "opj_includes.h"
+#include "t1_luts.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);
+static INLINE char t1_getctxno_zc(int f, int orient);
+static char t1_getctxno_sc(int f);
+static INLINE int t1_getctxno_mag(int f);
+static char t1_getspb(int f);
+static short t1_getnmsedec_sig(int x, int bitpos);
+static short t1_getnmsedec_ref(int x, int bitpos);
+static void t1_updateflags(flag_t *flagsp, int s, int stride);
/**
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);
+static void t1_enc_sigpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+static void t1_dec_sigpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+static void t1_enc_sigpass(
+ opj_t1_t *t1,
+ 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);
+static void t1_dec_sigpass(
+ opj_t1_t *t1,
+ 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);
+static void t1_enc_refpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+static void t1_dec_refpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+static void t1_enc_refpass(
+ opj_t1_t *t1,
+ 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);
+static void t1_dec_refpass(
+ opj_t1_t *t1,
+ 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);
+static void t1_enc_clnpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+static void t1_dec_clnpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+static void t1_enc_clnpass(
+ opj_t1_t *t1,
+ 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);
+static void t1_dec_clnpass(
+ opj_t1_t *t1,
+ 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 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);
+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 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 void t1_decode_cblk(
+ opj_t1_t *t1,
+ opj_tcd_cblk_t * cblk,
+ int orient,
+ int roishift,
+ int cblksty);
/*@}*/
/* ----------------------------------------------------------------------- */
-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 char t1_getctxno_zc(int f, int orient) {
+ return 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 char t1_getctxno_sc(int f) {
+ return 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_getctxno_mag(int f) {
+ int tmp1 = (f & T1_SIG_OTH) ? T1_CTXNO_MAG + 1 : T1_CTXNO_MAG;
+ int tmp2 = (f & T1_REFINE) ? T1_CTXNO_MAG + 2 : tmp1;
+ return (tmp2);
}
-static int t1_getspb(opj_t1_t *t1, int f) {
- return t1->lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+static char t1_getspb(int f) {
+ return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
}
-static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos) {
+static short t1_getnmsedec_sig(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 lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
}
- return t1->lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+ return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
}
-static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos) {
+static short t1_getnmsedec_ref(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 lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
}
- return t1->lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+ return 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);
+static void t1_updateflags(flag_t *flagsp, int s, int stride) {
+ flag_t *np = flagsp - stride;
+ flag_t *sp = flagsp + stride;
+
+ static const flag_t mod[] = {
+ T1_SIG_S, T1_SIG_S|T1_SGN_S,
+ T1_SIG_E, T1_SIG_E|T1_SGN_E,
+ T1_SIG_W, T1_SIG_W|T1_SGN_W,
+ T1_SIG_N, T1_SIG_N|T1_SGN_N
+ };
+
np[-1] |= T1_SIG_SE;
- np[1] |= T1_SIG_SW;
+ np[0] |= mod[s];
+ np[1] |= T1_SIG_SW;
+
+ flagsp[-1] |= mod[s+2];
+ flagsp[0] |= T1_SIG;
+ flagsp[1] |= mod[s+4];
+
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;
- }
+ sp[0] |= mod[s+6];
+ sp[1] |= T1_SIG_NW;
}
-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) {
+static void t1_enc_sigpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
- v = int_abs(*dp) & one ? 1 : 0;
+ v = int_abs(*datap) & one ? 1 : 0;
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); /* ESSAI */
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);
+ v = *datap < 0 ? 1 : 0;
+ *nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag)); /* ESSAI */
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));
+ mqc_encode(mqc, v ^ t1_getspb(flag));
}
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
+ t1_updateflags(flagsp, v, t1->flags_stride);
}
- *fp |= T1_VISIT;
+ *flagsp |= T1_VISIT;
}
}
-static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc) {
+static void t1_dec_sigpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
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;
+ *datap = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v, t1->flags_stride);
}
} else {
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ mqc_setcurctx(mqc, t1_getctxno_zc(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;
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = mqc_decode(mqc) ^ t1_getspb(flag);
+ *datap = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v, t1->flags_stride);
}
}
- *fp |= T1_VISIT;
+ *flagsp |= 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) {
+static void t1_enc_sigpass(
+ opj_t1_t *t1,
+ 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);
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ for (j = k; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_enc_sigpass_step(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + 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) {
+static void t1_dec_sigpass(
+ opj_t1_t *t1,
+ 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);
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ for (j = k; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_dec_sigpass_step(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + 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) {
+static void t1_enc_refpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
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;
+ *nmsedec += t1_getnmsedec_ref(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
+ v = int_abs(*datap) & one ? 1 : 0;
+ mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
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;
+ *flagsp |= T1_REFINE;
}
}
-static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc) {
+static void t1_dec_refpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
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;
+ *datap += *datap < 0 ? -t : t;
+ *flagsp |= 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) {
+static void t1_enc_refpass(
+ opj_t1_t *t1,
+ 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);
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ for (j = k; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_enc_refpass_step(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + 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) {
+static void t1_dec_refpass(
+ opj_t1_t *t1,
+ 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);
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ for (j = k; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_dec_refpass_step(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + 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) {
+static void t1_enc_clnpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
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;
+ if (!(*flagsp & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+ v = int_abs(*datap) & 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;
+ *nmsedec += t1_getnmsedec_sig(int_abs(*datap), bpno + T1_NMSEDEC_FRACBITS);
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = *datap < 0 ? 1 : 0;
+ mqc_encode(mqc, v ^ t1_getspb(flag));
+ t1_updateflags(flagsp, v, t1->flags_stride);
}
}
- *fp &= ~T1_VISIT;
+ *flagsp &= ~T1_VISIT;
}
-static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc) {
+static void t1_dec_clnpass_step(
+ opj_t1_t *t1,
+ flag_t *flagsp,
+ int *datap,
+ 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);
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if (partial) {
goto LABEL_PARTIAL;
}
if (!(flag & (T1_SIG | T1_VISIT))) {
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ mqc_setcurctx(mqc, t1_getctxno_zc(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;
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = mqc_decode(mqc) ^ t1_getspb(flag);
+ *datap = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v, t1->flags_stride);
}
}
- *fp &= ~T1_VISIT;
+ *flagsp &= ~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) {
+static void t1_enc_clnpass(
+ opj_t1_t *t1,
+ 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) {
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ if (k + 3 < t1->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]
+ agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || (MACRO_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));
+ agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_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)
+ for (runlen = 0; runlen < 4; ++runlen) {
+ if (int_abs(t1->data[((k + runlen)*t1->w) + i]) & one)
break;
}
mqc_setcurctx(mqc, T1_CTXNO_AGG);
} 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);
+ for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_enc_clnpass_step(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + 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) {
+static void t1_dec_clnpass(
+ opj_t1_t *t1,
+ int bpno,
+ int orient,
+ int cblksty)
+{
int i, j, k, one, half, oneplushalf, agg, runlen, vsc;
int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
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) {
+ for (k = 0; k < t1->h; k += 4) {
+ for (i = 0; i < t1->w; ++i) {
+ if (k + 3 < t1->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]
+ agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || (MACRO_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));
+ agg = !(MACRO_t1_flags(1 + k,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 1,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 2,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || MACRO_t1_flags(1 + k + 3,1 + i) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
}
} else {
agg = 0;
} 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);
+ for (j = k + runlen; j < k + 4 && j < t1->h; ++j) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == t1->h - 1)) ? 1 : 0;
+ t1_dec_clnpass_step(
+ t1,
+ &t1->flags[((j+1) * t1->flags_stride) + i + 1],
+ &t1->data[(j * t1->w) + i],
+ orient,
+ oneplushalf,
+ agg && (j == k + runlen),
+ vsc);
}
}
}
/** mod fixed_quality */
-static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps) {
+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;
+ w1 = (numcomps > 1) ? mct_getnorm(compno) : 1.0;
w2 = dwt_getnorm(level, orient);
} else { /* if (qmfbid == 0) */
- w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1;
+ w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1.0;
w2 = dwt_getnorm_real(level, orient);
}
wmsedec = w1 * w2 * stepsize * (1 << bpno);
return wmsedec;
}
+static bool allocate_buffers(
+ opj_t1_t *t1,
+ int w,
+ int h)
+{
+ int datasize=w * h;
+ int flagssize;
+
+ if(datasize > t1->datasize){
+ opj_aligned_free(t1->data);
+ t1->data=opj_aligned_malloc(datasize * sizeof(int));
+ if(!t1->data){
+ return false;
+ }
+ t1->datasize=datasize;
+ }
+ memset(t1->data,0,datasize * sizeof(int));
+
+ t1->flags_stride=w+2;
+ flagssize=t1->flags_stride * (h+2);
+
+ if(flagssize > t1->flagssize){
+ opj_aligned_free(t1->flags);
+ t1->flags=opj_aligned_malloc(flagssize * sizeof(flag_t));
+ if(!t1->flags){
+ return false;
+ }
+ t1->flagssize=flagssize;
+ }
+ memset(t1->flags,0,flagssize * sizeof(flag_t));
+
+ t1->w=w;
+ t1->h=h;
+
+ return true;
+}
+
/** 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) {
+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;
+ double cumwmsedec = 0.0;
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]));
+ for (j = 0; j < t1->h; ++j) {
+ for (i = 0; i < t1->w; ++i) {
+ max = int_max(max, int_abs(t1->data[(j * t1->w) + 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_setstate(mqc, T1_CTXNO_ZC, 0, 4);
mqc_init_enc(mqc, cblk->data);
- for (passno = 0; bpno >= 0; passno++) {
+ 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);
+ t1_enc_sigpass(t1, bpno, orient, &nmsedec, type, cblksty);
break;
case 1:
- t1_enc_refpass(t1, w, h, bpno, &nmsedec, type, cblksty);
+ t1_enc_refpass(t1, bpno, &nmsedec, type, cblksty);
break;
case 2:
- t1_enc_clnpass(t1, w, h, bpno, orient, &nmsedec, cblksty);
+ t1_enc_clnpass(t1, bpno, orient, &nmsedec, cblksty);
/* code switch SEGMARK (i.e. SEGSYM) */
if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
mqc_segmark_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_flush(mqc);
cblk->totalpasses = passno;
+
+ for (passno = 0; passno<cblk->totalpasses; passno++) {
+ opj_tcd_pass_t *pass = &cblk->passes[passno];
+ if (pass->rate > mqc_numbytes(mqc))
+ pass->rate = mqc_numbytes(mqc);
+ /*Preventing generation of FF as last data byte of a pass*/
+ if((pass->rate>1) && (cblk->data[pass->rate - 1] == 0xFF)){
+ pass->rate--;
+ }
+ pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
+ }
}
-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;
+static void t1_decode_cblk(
+ opj_t1_t *t1,
+ opj_tcd_cblk_t * cblk,
+ int orient,
+ int roishift,
+ int cblksty)
+{
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;
- }
+
+ if(!allocate_buffers(
+ t1,
+ cblk->x1 - cblk->x0,
+ cblk->y1 - cblk->y0))
+ {
+ return;
}
-
+
bpno = roishift + cblk->numbps - 1;
passtype = 2;
mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
- for (segno = 0; segno < cblk->numsegs; segno++) {
+ for (segno = 0; segno < cblk->numsegs; ++segno) {
opj_tcd_seg_t *seg = &cblk->segs[segno];
/* BYPASS mode */
mqc_init_dec(mqc, seg->data, seg->len);
}
- for (passno = 0; passno < seg->numpasses; passno++) {
+ for (passno = 0; passno < seg->numpasses; ++passno) {
switch (passtype) {
case 0:
- t1_dec_sigpass(t1, w, h, bpno+1, orient, type, cblksty);
+ t1_dec_sigpass(t1, bpno+1, orient, type, cblksty);
break;
case 1:
- t1_dec_refpass(t1, w, h, bpno+1, type, cblksty);
+ t1_dec_refpass(t1, bpno+1, type, cblksty);
break;
case 2:
- t1_dec_clnpass(t1, w, h, bpno+1, orient, cblksty);
+ t1_dec_clnpass(t1, bpno+1, orient, cblksty);
break;
}
}
}
-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) {
+ opj_t1_t *t1 = (opj_t1_t*) malloc(sizeof(opj_t1_t));
+ if(!t1)
+ return NULL;
+
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);
- }
+
+ t1->datasize=0;
+ t1->data=NULL;
+ t1->flagssize=0;
+ t1->flags=NULL;
+
return t1;
}
/* destroy MQC and RAW handles */
mqc_destroy(t1->mqc);
raw_destroy(t1->raw);
- opj_free(t1);
+ opj_aligned_free(t1->data);
+ opj_aligned_free(t1->flags);
+ free(t1);
}
}
-void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
+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++) {
+ for (compno = 0; compno < tile->numcomps; ++compno) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
+ for (resno = 0; resno < tilec->numresolutions; ++resno) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
+ for (bandno = 0; bandno < res->numbands; ++bandno) {
opj_tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
+ 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++) {
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
+ int x, y, w, i, j;
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) {
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ if (band->bandno & 1) {
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) */
+ x += pres->x1 - pres->x0;
+ }
+ if (band->bandno & 2) {
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;
+ y += pres->y1 - pres->y0;
}
-
+
+ if(!allocate_buffers(
+ t1,
+ cblk->x1 - cblk->x0,
+ cblk->y1 - cblk->y0))
+ {
+ return;
+ }
+
+ w = tilec->x1 - tilec->x0;
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;
+ for (j = 0; j < t1->h; ++j) {
+ for (i = 0; i < t1->w; ++i) {
+ t1->data[(j * t1->w) + i] =
+ tilec->data[(x + i) + (y + j) * w] << 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] =
+ } else { /* if (tcp->tccps[compno].qmfbid == 0) */
+ for (j = 0; j < t1->h; ++j) {
+ for (i = 0; i < t1->w; ++i) {
+ t1->data[(j * t1->w) + i] =
fix_mul(
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)],
- 8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (13 - T1_NMSEDEC_FRACBITS);
+ tilec->data[x + i + (y + j) * w],
+ 8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (11 - 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);
+ t1_encode_cblk(
+ t1,
+ cblk,
+ band->bandno,
+ compno,
+ tilec->numresolutions - 1 - resno,
+ tcp->tccps[compno].qmfbid,
+ band->stepsize,
+ tcp->tccps[compno].cblksty,
+ tile->numcomps,
+ tile);
} /* cblkno */
} /* precno */
} /* compno */
}
-void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
+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++) {
+
+ for (compno = 0; compno < tile->numcomps; ++compno) {
opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
+ for (resno = 0; resno < tilec->numresolutions; ++resno) {
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
+ for (bandno = 0; bandno < res->numbands; ++bandno) {
opj_tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
+ 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;
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; ++cblkno) {
+ int x, y, w, i, j, orient, cblk_w, cblk_h;
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);
+ t1_decode_cblk(
+ t1,
+ cblk,
+ band->bandno,
+ 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) {
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ if (band->bandno & 1) {
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) */
+ x += pres->x1 - pres->x0;
+ }
+ if (band->bandno & 2) {
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;
+ y += pres->y1 - pres->y0;
}
-
+
+ cblk_w = cblk->x1 - cblk->x0;
+ cblk_h = cblk->y1 - cblk->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);
+ int thresh = 1 << tcp->tccps[compno].roishift;
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ int val = t1->data[(j * t1->w) + i];
+ int mag = int_abs(val);
if (mag >= thresh) {
mag >>= tcp->tccps[compno].roishift;
- t1->data[j][i] = val < 0 ? -mag : mag;
+ t1->data[(j * t1->w) + i] = val < 0 ? -mag : mag;
}
}
}
}
+ w = tilec->x1 - tilec->x0;
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);
- }
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ tilec->data[x + i + (y + j) * w] = t1->data[(j * t1->w) + i]/2;
}
}
} 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;
+ for (j = 0; j < cblk_h; ++j) {
+ for (i = 0; i < cblk_w; ++i) {
+ if (t1->data[(j * t1->w) + i] >> 1 == 0) {
+ tilec->data[x + i + (y + j) * w] = 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);
+ double tmp = (double)(t1->data[(j * t1->w) + i] * band->stepsize * 4096.0);
+ int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
+ tilec->data[x + i + (y + j) * w] = ((tmp<0)?-tmp2:tmp2);
}
}
}
projects / openjpeg.git / blobdiff