/*
- * Copyright (c) 2001-2002, David Janssens
+ * 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) 2002-2003, 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
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include "t1.h"
-#include "j2k.h"
-#include "mqc.h"
-#include "raw.h" /* Antonin */
-#include "int.h"
-#include "mct.h"
-#include "dwt.h"
-#include "fix.h"
-#include <stdio.h>
-#include <math.h>
-#include <stdlib.h>
-
-#define T1_MAXCBLKW 1024
-#define T1_MAXCBLKH 1024
-
-#define T1_SIG_NE 0x0001
-#define T1_SIG_SE 0x0002
-#define T1_SIG_SW 0x0004
-#define T1_SIG_NW 0x0008
-#define T1_SIG_N 0x0010
-#define T1_SIG_E 0x0020
-#define T1_SIG_S 0x0040
-#define T1_SIG_W 0x0080
-#define T1_SIG_OTH (T1_SIG_N|T1_SIG_NE|T1_SIG_E|T1_SIG_SE|T1_SIG_S|T1_SIG_SW|T1_SIG_W|T1_SIG_NW)
-#define T1_SIG_PRIM (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W)
-
-#define T1_SGN_N 0x0100
-#define T1_SGN_E 0x0200
-#define T1_SGN_S 0x0400
-#define T1_SGN_W 0x0800
-#define T1_SGN (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W)
-
-#define T1_SIG 0x1000
-#define T1_REFINE 0x2000
-#define T1_VISIT 0x4000
-
-#define T1_NUMCTXS_AGG 1
-#define T1_NUMCTXS_ZC 9
-#define T1_NUMCTXS_MAG 3
-#define T1_NUMCTXS_SC 5
-#define T1_NUMCTXS_UNI 1
-
-#define T1_CTXNO_AGG 0
-#define T1_CTXNO_ZC (T1_CTXNO_AGG+T1_NUMCTXS_AGG)
-#define T1_CTXNO_MAG (T1_CTXNO_ZC+T1_NUMCTXS_ZC)
-#define T1_CTXNO_SC (T1_CTXNO_MAG+T1_NUMCTXS_MAG)
-#define T1_CTXNO_UNI (T1_CTXNO_SC+T1_NUMCTXS_SC)
-#define T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI)
-
-#define T1_NMSEDEC_BITS 7
-#define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1)
-
-/* add TONY */
-#define T1_TYPE_MQ 0
-#define T1_TYPE_RAW 1
-/* dda */
-
-static int t1_lut_ctxno_zc[1024];
-static int t1_lut_ctxno_sc[256];
-static int t1_lut_ctxno_mag[4096];
-static int t1_lut_spb[256];
-static int t1_lut_nmsedec_sig[1 << T1_NMSEDEC_BITS];
-static int t1_lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS];
-static int t1_lut_nmsedec_ref[1 << T1_NMSEDEC_BITS];
-static int t1_lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS];
-
-static int t1_data[T1_MAXCBLKH][T1_MAXCBLKH];
-static int t1_flags[T1_MAXCBLKH + 2][T1_MAXCBLKH + 2];
-
-int t1_getctxno_zc(int f, int orient)
-{
- return t1_lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
-}
-
-int t1_getctxno_sc(int f)
-{
- return t1_lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
-}
-
-int t1_getctxno_mag(int f)
-{
- return t1_lut_ctxno_mag[(f & T1_SIG_OTH) |
- (((f & T1_REFINE) != 0) << 11)];
-}
-
-int t1_getspb(int f)
-{
- return t1_lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+#include "opj_includes.h"
+#include "t1_luts.h"
+
+/** @defgroup T1 T1 - Implementation of the tier-1 coding */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+static char t1_getctxno_zc(int f, int orient);
+static char t1_getctxno_sc(int f);
+static char 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);
+/**
+Encode significant pass
+*/
+static void t1_enc_sigpass_step(opj_t1_t *t1, flag_t *flagsp, 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, flag_t *flagsp, 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, flag_t *flagsp, 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, flag_t *flagsp, 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, flag_t *flagsp, 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, flag_t *flagsp, 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 char t1_getctxno_zc(int f, int orient) {
+ return lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
}
-int 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)];
- else
- return t1_lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+static char t1_getctxno_sc(int f) {
+ return lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
}
-int 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)];
- else
- return t1_lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+static char t1_getctxno_mag(int f) {
+ return lut_ctxno_mag[(f & T1_SIG_OTH) | (((f & T1_REFINE) != 0) << 11)];
}
-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 char t1_getspb(int f) {
+ return lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
}
-void t1_enc_sigpass_step(int *fp, int *dp, int orient, int bpno, int one,
- int *nmsedec, char type, int vsc)
-{
- int v, flag;
- 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(t1_getctxno_zc(flag, orient)); /* ESSAI */
- mqc_bypass_enc(v);
- } else {
- mqc_setcurctx(t1_getctxno_zc(flag, orient));
- mqc_encode(v);
- }
- if (v) {
- v = *dp < 0 ? 1 : 0;
- *nmsedec +=
- t1_getnmsedec_sig(int_abs(*dp),
- bpno + T1_NMSEDEC_FRACBITS);
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
- mqc_setcurctx(t1_getctxno_sc(flag)); /* ESSAI */
- mqc_bypass_enc(v);
- } else {
- mqc_setcurctx(t1_getctxno_sc(flag));
- mqc_encode(v ^ t1_getspb(flag));
- }
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
+static short t1_getnmsedec_sig(int x, int bitpos) {
+ if (bitpos > T1_NMSEDEC_FRACBITS) {
+ return lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
}
- *fp |= T1_VISIT;
- }
+
+ return lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
}
-void t1_dec_sigpass_step(int *fp, int *dp, int orient, int oneplushalf,
- char type, int vsc)
-{
- int v, flag;
- 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()) {
- v = raw_decode(); /* ESSAI */
- *dp = v ? -oneplushalf : oneplushalf;
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
- }
- } else {
- mqc_setcurctx(t1_getctxno_zc(flag, orient));
- if (mqc_decode()) {
- mqc_setcurctx(t1_getctxno_sc(flag));
- v = mqc_decode() ^ t1_getspb(flag);
- *dp = v ? -oneplushalf : oneplushalf;
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
- }
+static short t1_getnmsedec_ref(int x, int bitpos) {
+ if (bitpos > T1_NMSEDEC_FRACBITS) {
+ return lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
}
- *fp |= T1_VISIT;
- }
-} /* VSC and BYPASS by Antonin */
-void t1_enc_sigpass(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_flags[1 + j][1 + i],
- &t1_data[j][i], orient, bpno, one,
- nmsedec, type, vsc);
- }
- }
- }
+ return lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
}
-void t1_dec_sigpass(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_flags[1 + j][1 + i],
- &t1_data[j][i], orient, oneplushalf,
- type, vsc);
- }
+static void t1_updateflags(flag_t *flagsp, int s) {
+ flag_t *np = flagsp - (T1_MAXCBLKW + 2);
+ flag_t *sp = flagsp + (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;
+ flagsp[-1] |= T1_SIG_E;
+ flagsp[1] |= T1_SIG_W;
+ if (s) {
+ *np |= T1_SGN_S;
+ *sp |= T1_SGN_N;
+ flagsp[-1] |= T1_SGN_E;
+ flagsp[1] |= T1_SGN_W;
}
- }
-} /* VSC and BYPASS by Antonin */
-
-void t1_enc_refpass_step(int *fp, int *dp, int bpno, int one, int *nmsedec,
- char type, int vsc)
-{
- int v, flag;
- 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(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
- v = int_abs(*dp) & one ? 1 : 0;
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
- mqc_setcurctx(t1_getctxno_mag(flag)); /* ESSAI */
- mqc_bypass_enc(v);
- } else {
- mqc_setcurctx(t1_getctxno_mag(flag));
- mqc_encode(v);
- }
- *fp |= T1_REFINE;
- }
}
-void t1_dec_refpass_step(int *fp, int *dp, int poshalf, int neghalf,
- char type, int vsc)
-{
- int v, t, flag;
- 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(t1_getctxno_mag(flag)); /* ESSAI */
- v = raw_decode();
- } else {
- mqc_setcurctx(t1_getctxno_mag(flag));
- v = mqc_decode();
- }
- t = v ? poshalf : neghalf;
- *dp += *dp < 0 ? -t : t;
- *fp |= T1_REFINE;
- }
-} /* VSC and BYPASS by Antonin */
-
-void t1_enc_refpass(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_flags[1 + j][1 + i],
- &t1_data[j][i], bpno, one, nmsedec,
- type, vsc);
- }
+static void t1_enc_sigpass_step(opj_t1_t *t1, flag_t *flagsp, 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 ? ((*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;
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+ mqc_encode(mqc, v);
+ }
+ if (v) {
+ v = *dp < 0 ? 1 : 0;
+ *nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ mqc_encode(mqc, v ^ t1_getspb(flag));
+ }
+ t1_updateflags(flagsp, v);
+ *flagsp |= T1_SIG;
+ }
+ *flagsp |= T1_VISIT;
}
- }
}
-void t1_dec_refpass(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_flags[1 + j][1 + i],
- &t1_data[j][i], poshalf, neghalf, type,
- vsc);
- }
+static void t1_dec_sigpass_step(opj_t1_t *t1, flag_t *flagsp, 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 ? ((*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(flagsp, v);
+ *flagsp |= T1_SIG;
+ }
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+ if (mqc_decode(mqc)) {
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = mqc_decode(mqc) ^ t1_getspb(flag);
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v);
+ *flagsp |= T1_SIG;
+ }
+ }
+ *flagsp |= T1_VISIT;
}
- }
} /* VSC and BYPASS by Antonin */
-void t1_enc_clnpass_step(int *fp, int *dp, int orient, int bpno, int one,
- int *nmsedec, int partial, int vsc)
-{
- int v, flag;
- 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(t1_getctxno_zc(flag, orient));
- v = int_abs(*dp) & one ? 1 : 0;
- mqc_encode(v);
- if (v) {
- label_partial:
- *nmsedec +=
- t1_getnmsedec_sig(int_abs(*dp),
- bpno + T1_NMSEDEC_FRACBITS);
- mqc_setcurctx(t1_getctxno_sc(flag));
- v = *dp < 0 ? 1 : 0;
- mqc_encode(v ^ t1_getspb(flag));
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
+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);
+ }
+ }
}
- }
- *fp &= ~T1_VISIT;
}
-void t1_dec_clnpass_step(int *fp, int *dp, int orient, int oneplushalf,
- int partial, int vsc)
-{
- int v, flag;
- 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(t1_getctxno_zc(flag, orient));
- if (mqc_decode()) {
- label_partial:
- mqc_setcurctx(t1_getctxno_sc(flag));
- v = mqc_decode() ^ t1_getspb(flag);
- *dp = v ? -oneplushalf : oneplushalf;
- t1_updateflags(fp, v);
- *fp |= T1_SIG;
+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);
+ }
+ }
}
- }
- *fp &= ~T1_VISIT;
} /* VSC and BYPASS by Antonin */
-void t1_enc_clnpass(int w, int h, int bpno, int orient, int *nmsedec,
- int cblksty)
-{
- int i, j, k, one, agg, runlen, vsc;
- *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));
+static void t1_enc_refpass_step(opj_t1_t *t1, flag_t *flagsp, 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 ? ((*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(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(flag)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
} 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_getctxno_mag(flag));
+ mqc_encode(mqc, v);
}
- mqc_setcurctx(T1_CTXNO_AGG);
- mqc_encode(runlen != 4);
- if (runlen == 4) {
- continue;
- }
- mqc_setcurctx(T1_CTXNO_UNI);
- mqc_encode(runlen >> 1);
- mqc_encode(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_flags[1 + j][1 + i],
- &t1_data[j][i], orient, bpno, one,
- nmsedec, agg
- && (j == k + runlen), vsc);
- }
+ *flagsp |= T1_REFINE;
}
- }
}
-void t1_dec_clnpass(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;
- 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));
+static void t1_dec_refpass_step(opj_t1_t *t1, flag_t *flagsp, 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 ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ if (type == T1_TYPE_RAW) {
+ mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
+ v = raw_decode(raw);
} 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));
+ mqc_setcurctx(mqc, t1_getctxno_mag(flag));
+ v = mqc_decode(mqc);
}
- } else {
- agg = 0;
- }
- if (agg) {
- mqc_setcurctx(T1_CTXNO_AGG);
- if (!mqc_decode()) {
- continue;
- }
- mqc_setcurctx(T1_CTXNO_UNI);
- runlen = mqc_decode();
- runlen = (runlen << 1) | mqc_decode();
- } 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_flags[1 + j][1 + i],
- &t1_data[j][i], orient, oneplushalf,
- agg && (j == k + runlen), vsc);
- }
+ t = v ? poshalf : neghalf;
+ *dp += *dp < 0 ? -t : t;
+ *flagsp |= T1_REFINE;
}
- }
- if (segsym) {
- int v = 0;
- mqc_setcurctx(T1_CTXNO_UNI);
- v = mqc_decode();
- v = (v << 1) | mqc_decode();
- v = (v << 1) | mqc_decode();
- v = (v << 1) | mqc_decode();
- /* if (v!=0xa)
- {
- fprintf(stderr, "warning: bad segmentation symbol %x\n",v);
- } */
- }
-} /* VSC and BYPASS by Antonin */
-
-double t1_getwmsedec(int nmsedec, int compno, int level, int orient,
- int bpno, int qmfbid, double stepsize)
-{
- double w1, w2, wmsedec;
- if (qmfbid == 1) {
- w1 = mct_getnorm(compno);
- w2 = dwt_getnorm(level, orient);
- } else { /* if (qmfbid == 0) */
- w1 = mct_getnorm_real(compno);
- w2 = dwt_getnorm_real(level, orient);
- }
- wmsedec = w1 * w2 * stepsize * (1 << bpno);
- wmsedec *= wmsedec * nmsedec / 8192.0;
- return wmsedec;
-}
-
-void t1_encode_cblk(tcd_cblk_t * cblk, int orient, int compno, int level,
- int qmfbid, double stepsize, int cblksty)
-{
- int i, j;
- int w, h;
- int passno;
- int bpno, passtype;
- int max;
- int nmsedec;
- double cumwmsedec = 0;
- char type = T1_TYPE_MQ;
-
- 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;
-
- for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++)
- ((int *) t1_flags)[i] = 0;
- bpno = cblk->numbps - 1;
- passtype = 2;
-
- mqc_resetstates();
- mqc_setstate(T1_CTXNO_UNI, 0, 46);
- mqc_setstate(T1_CTXNO_AGG, 0, 3);
- mqc_setstate(T1_CTXNO_ZC, 0, 4);
- mqc_init_enc(cblk->data);
-
- for (passno = 0; bpno >= 0; passno++) {
- 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;
+} /* VSC and BYPASS by Antonin */
- switch (passtype) {
- case 0:
- t1_enc_sigpass(w, h, bpno, orient, &nmsedec, type, cblksty);
- break;
- case 1:
- t1_enc_refpass(w, h, bpno, &nmsedec, type, cblksty);
- break;
- case 2:
- t1_enc_clnpass(w, h, bpno, orient, &nmsedec, cblksty);
- /* code switch SEGMARK (i.e. SEGSYM) */
- if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
- mqc_segmark_enc();
- break;
+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);
+ }
+ }
}
+}
- cumwmsedec +=
- t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid,
- stepsize);
-
- /* Code switch "RESTART" (i.e. TERMALL) */
- if ((cblksty & J2K_CCP_CBLKSTY_TERMALL)
- && !((passtype == 2) && (bpno - 1 < 0))) {
- if (type == T1_TYPE_RAW) {
- mqc_flush();
- correction = 1;
- /* correction = mqc_bypass_flush_enc(); */
- } else { /* correction = mqc_restart_enc(); */
- mqc_flush();
- 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();
- correction = 1;
- /* correction = mqc_bypass_flush_enc(); */
- } else { /* correction = mqc_restart_enc(); */
- mqc_flush();
- correction = 1;
+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);
+ }
}
- pass->term = 1;
- } else {
- pass->term = 0;
- }
}
+} /* VSC and BYPASS by Antonin */
- if (++passtype == 3) {
- passtype = 0;
- bpno--;
+static void t1_enc_clnpass_step(opj_t1_t *t1, flag_t *flagsp, 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 ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+ if (partial) {
+ goto LABEL_PARTIAL;
}
-
- 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();
- else
- mqc_restart_init_enc();
+ if (!(*flagsp & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+ v = int_abs(*dp) & one ? 1 : 0;
+ mqc_encode(mqc, v);
+ if (v) {
+LABEL_PARTIAL:
+ *nmsedec += t1_getnmsedec_sig(int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = *dp < 0 ? 1 : 0;
+ mqc_encode(mqc, v ^ t1_getspb(flag));
+ t1_updateflags(flagsp, v);
+ *flagsp |= T1_SIG;
+ }
}
-
- pass->distortiondec = cumwmsedec;
- pass->rate = mqc_numbytes() + 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();
- }
-
- /* Code switch "ERTERM" (i.e. PTERM) */
- if (cblksty & J2K_CCP_CBLKSTY_PTERM)
- mqc_erterm_enc();
- else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
- mqc_flush();
-
- cblk->totalpasses = passno;
+ *flagsp &= ~T1_VISIT;
}
-void t1_decode_cblk(tcd_cblk_t * cblk, int orient, int roishift,
- int cblksty)
-{
- int i;
- int w, h;
- int bpno, passtype;
- int segno, passno;
- /* add TONY */
- char type = T1_TYPE_MQ;
- /* dda */
-
- for (i = 0; i < sizeof(t1_data) / sizeof(int); i++)
- ((int *) t1_data)[i] = 0;
- for (i = 0; i < sizeof(t1_flags) / sizeof(int); i++)
- ((int *) t1_flags)[i] = 0;
-
- w = cblk->x1 - cblk->x0;
- h = cblk->y1 - cblk->y0;
- bpno = roishift + cblk->numbps - 1;
- passtype = 2;
-
- mqc_resetstates();
- mqc_setstate(T1_CTXNO_UNI, 0, 46);
- mqc_setstate(T1_CTXNO_AGG, 0, 3);
- mqc_setstate(T1_CTXNO_ZC, 0, 4);
-
- for (segno = 0; segno < cblk->numsegs; segno++) {
- tcd_seg_t *seg = &cblk->segs[segno];
-
- /* add TONY */
- 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(seg->data, seg->len);
- else
- mqc_init_dec(seg->data, seg->len);
- /* dda */
-
- for (passno = 0; passno < seg->numpasses; passno++) {
- switch (passtype) {
- case 0:
- t1_dec_sigpass(w, h, bpno, orient, type, cblksty);
- break;
- case 1:
- t1_dec_refpass(w, h, bpno, type, cblksty);
- break;
- case 2:
- t1_dec_clnpass(w, h, bpno, orient, cblksty);
- break;
- }
-
- if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ)
- mqc_reset_enc();
-
- if (++passtype == 3) {
- passtype = 0;
- bpno--;
- }
+static void t1_dec_clnpass_step(opj_t1_t *t1, flag_t *flagsp, int *dp, int orient, int oneplushalf, int partial, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
+ if (partial) {
+ goto LABEL_PARTIAL;
}
- }
-}
-
-void t1_encode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp)
-{
- int compno, resno, bandno, precno, cblkno;
- int x, y, i, j, orient;
- tcd_tilecomp_t *tilec;
- tcd_resolution_t *res;
- tcd_band_t *band;
- tcd_precinct_t *prc;
- tcd_cblk_t *cblk;
-
- for (compno = 0; compno < tile->numcomps; compno++) {
- tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- cblk = &prc->cblks[cblkno];
+ if (!(flag & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
+ if (mqc_decode(mqc)) {
+LABEL_PARTIAL:
+ mqc_setcurctx(mqc, t1_getctxno_sc(flag));
+ v = mqc_decode(mqc) ^ t1_getspb(flag);
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(flagsp, v);
+ *flagsp |= T1_SIG;
+ }
+ }
+ *flagsp &= ~T1_VISIT;
+} /* VSC and BYPASS by Antonin */
- if (band->bandno == 0) {
- x = cblk->x0 - band->x0;
- y = cblk->y0 - band->y0;
- } else if (band->bandno == 1) {
- 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) {
- 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) */
- 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;
+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 (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;
+ if (agg) {
+ for (runlen = 0; runlen < 4; runlen++) {
+ if (int_abs(t1->data[k + runlen][i]) & one)
+ break;
}
- }
- } 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 /
- band->stepsize) >> (13 -
- T1_NMSEDEC_FRACBITS);
+ 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;
}
- orient = band->bandno; /* FIXME */
- if (orient == 2) {
- orient = 1;
- } else if (orient == 1) {
- orient = 2;
+ 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);
}
- t1_encode_cblk(cblk, orient, compno,
- tilec->numresolutions - 1 - resno,
- tcp->tccps[compno].qmfbid,
- band->stepsize,
- tcp->tccps[compno].cblksty);
- } /* cblkno */
- } /* precno */
- } /* bandno */
- } /* resno */
- } /* compo */
+ }
+ }
}
-
-void t1_decode_cblks(tcd_tile_t * tile, j2k_tcp_t * tcp)
-{
- int compno, resno, bandno, precno, cblkno;
-
- for (compno = 0; compno < tile->numcomps; compno++) {
- tcd_tilecomp_t *tilec = &tile->comps[compno];
- for (resno = 0; resno < tilec->numresolutions; resno++) {
- tcd_resolution_t *res = &tilec->resolutions[resno];
- for (bandno = 0; bandno < res->numbands; bandno++) {
- tcd_band_t *band = &res->bands[bandno];
- for (precno = 0; precno < res->pw * res->ph; precno++) {
- tcd_precinct_t *prc = &band->precincts[precno];
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
- int x, y, i, j, orient;
- 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(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) {
- 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) {
- 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) */
- 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;
+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 (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 (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 */
- if (tcp->tccps[compno].qmfbid == 1) {
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {
- tilec->data[x + i +
- (y + j) * (tilec->x1 -
- tilec->x0)] =
- t1_data[j][i];
- }
- }
- } 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++) {
- if (t1_data[j][i] == 0) {
- tilec->data[x + i +
- (y + j) * (tilec->x1 -
- tilec->
- x0)] = 0;
- } else {
- tilec->data[x + i +
- (y + j) * (tilec->x1 -
- tilec->
- x0)] =
- fix_mul(t1_data[j][i] << 13,
- band->stepsize);
- }
+/** 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;
+
+ for (i = 0; i <= h; ++i) {
+ memset(&t1->flags[i], 0, (w+1) * sizeof(flag_t));
+ }
+
+ 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 */
+
+ /* 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;
+
+ 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);
}
- }
}
-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 void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty) {
+ int i, 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;
+
+ for (i = 0; i <= h; ++i) {
+ memset(&t1->flags[i], 0, (w + 1) * sizeof(flag_t));
+ }
+
+ for (i = 0; i < h; ++i) {
+ memset(&t1->data[i], 0, w * sizeof(int));
+ }
+
+ 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--;
+ }
+ }
+ }
}
-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;
+/* ----------------------------------------------------------------------- */
+
+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();
+ }
+ return t1;
}
-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;
+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);
+ }
}
-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;
+void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
+ int compno, resno, bandno, precno, cblkno;
+
+ 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++) {
+ int x, y, w, i, j, orient;
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ if (band->bandno & 1) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x += pres->x1 - pres->x0;
+ }
+ if (band->bandno & 2) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ y += pres->y1 - pres->y0;
+ }
+
+ 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) * 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] =
+ fix_mul(
+ tilec->data[x + i + (y + j) * w],
+ 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_init_luts()
-{
- 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 */
- /* printf("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));
- }
+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, w, 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);
+
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ if (band->bandno & 1) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x += pres->x1 - pres->x0;
+ }
+ if (band->bandno & 2) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ y += pres->y1 - pres->y0;
+ }
+
+ if (tcp->tccps[compno].roishift) {
+ int thresh = 1 << tcp->tccps[compno].roishift;
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ int val = t1->data[j][i];
+ int mag = int_abs(val);
+ if (mag >= thresh) {
+ mag >>= tcp->tccps[compno].roishift;
+ t1->data[j][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++) {
+ tilec->data[x + i + (y + j) * w] = t1->data[j][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++) {
+ if (t1->data[j][i] >> 1 == 0) {
+ tilec->data[x + i + (y + j) * w] = 0;
+ } else {
+ double tmp = (double)(t1->data[j][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);
+ }
+ }
+ }
+ }
+ } /* cblkno */
+ } /* precno */
+ } /* bandno */
+ } /* resno */
+ } /* compno */
}
+
+
projects / openjpeg.git / blobdiff