/*
- * Copyright (c) 2001-2002, David Janssens
- * Copyright (c) 2002-2004, Yannick Verschueren
- * Copyright (c) 2002-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
- * Copyright (c) 2005, Reiner Wahler
+ * 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
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* mail: ive@lilysoft.com
*/
-
-#include "dwt.h"
-#include "int.h"
-#include "fix.h"
-#include "tcd.h"
-#include <stdlib.h>
-//#include <stdio.h>
-//#include <math.h>
+#include "opj_includes.h"
+
+/** @defgroup DWT DWT - Implementation of a discrete wavelet transform */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+/**
+Forward lazy transform (horizontal)
+*/
+static void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas);
+/**
+Forward lazy transform (vertical)
+*/
+static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas);
+/**
+Inverse lazy transform (horizontal)
+*/
+static void dwt_interleave_h(int *a, int *b, int dn, int sn, int cas);
+/**
+Inverse lazy transform (vertical)
+*/
+static void dwt_interleave_v(int *a, int *b, int dn, int sn, int x, int cas);
+/**
+Forward 5-3 wavelet tranform in 1-D
+*/
+static void dwt_encode_1(int *a, int dn, int sn, int cas);
+/**
+Inverse 5-3 wavelet tranform in 1-D
+*/
+static void dwt_decode_1(int *a, int dn, int sn, int cas);
+/**
+Forward 9-7 wavelet transform in 1-D
+*/
+static void dwt_encode_1_real(int *a, int dn, int sn, int cas);
+/**
+Inverse 9-7 wavelet transform in 1-D
+*/
+static void dwt_decode_1_real(int *a, int dn, int sn, int cas);
+/**
+FIXME : comment ???
+*/
+static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize);
+
+/*@}*/
+
+/*@}*/
#define S(i) a[(i)*2]
#define D(i) a[(1+(i)*2)]
/* <summary> */
/* This table contains the norms of the 5-3 wavelets for different bands. */
/* </summary> */
-double dwt_norms[4][10] = {
- {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
- {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
- {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
- {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
+static const double dwt_norms[4][10] = {
+ {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
+ {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
+ {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
+ {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
};
/* <summary> */
/* This table contains the norms of the 9-7 wavelets for different bands. */
/* </summary> */
-double dwt_norms_real[4][10] = {
- {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
- {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
- {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
- {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
+static const double dwt_norms_real[4][10] = {
+ {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
+ {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
+ {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
+ {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
};
+/*
+==========================================================
+ local functions
+==========================================================
+*/
/* <summary> */
/* Forward lazy transform (horizontal). */
/* </summary> */
-void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas) {
- int i;
+static void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas) {
+ int i;
for (i=0; i<sn; i++) b[i]=a[2*i+cas];
for (i=0; i<dn; i++) b[sn+i]=a[(2*i+1-cas)];
}
/* <summary> */
/* Forward lazy transform (vertical). */
/* </summary> */
-void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas) {
+static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas) {
int i;
for (i=0; i<sn; i++) b[i*x]=a[2*i+cas];
for (i=0; i<dn; i++) b[(sn+i)*x]=a[(2*i+1-cas)];
/* <summary> */
/* Inverse lazy transform (horizontal). */
/* </summary> */
-void dwt_interleave_h(int *a, int *b, int dn, int sn, int cas) {
+static void dwt_interleave_h(int *a, int *b, int dn, int sn, int cas) {
int i;
-// for (i=0; i<sn; i++) b[2*i+cas]=a[i];
-// for (i=0; i<dn; i++) b[2*i+1-cas]=a[(sn+i)];
- int* ai;
- int* bi;
- ai=a;
- bi=b+cas;
- for (i=0; i<sn; i++) {
- *bi = *ai; bi+=2; ai++;
+ int *ai = NULL;
+ int *bi = NULL;
+ ai = a;
+ bi = b + cas;
+ for (i = 0; i < sn; i++) {
+ *bi = *ai;
+ bi += 2;
+ ai++;
}
- ai=a+sn;
- bi=b+1-cas;
- for (i=0; i<dn; i++) {
- *bi = *ai; bi+=2; ai++;
+ ai = a + sn;
+ bi = b + 1 - cas;
+ for (i = 0; i < dn; i++) {
+ *bi = *ai;
+ bi += 2;
+ ai++;
}
}
/* <summary> */
/* Inverse lazy transform (vertical). */
/* </summary> */
-void dwt_interleave_v(int *a, int *b, int dn, int sn, int x, int cas) {
+static void dwt_interleave_v(int *a, int *b, int dn, int sn, int x, int cas) {
int i;
-// for (i=0; i<sn; i++) b[2*i+cas]=a[i*x];
-// for (i=0; i<dn; i++) b[2*i+1-cas]=a[(sn+i)*x];
- int* ai;
- int* bi;
- ai=a;
- bi=b+cas;
- for (i=0; i<sn; i++) {
- *bi = *ai; bi+=2; ai+=x;
+ int *ai = NULL;
+ int *bi = NULL;
+ ai = a;
+ bi = b + cas;
+ for (i = 0; i < sn; i++) {
+ *bi = *ai;
+ bi += 2;
+ ai += x;
}
- ai=a+(sn*x);
- bi=b+1-cas;
- for (i=0; i<dn; i++) {
- *bi = *ai; bi+=2; ai+=x;
+ ai = a + (sn * x);
+ bi = b + 1 - cas;
+ for (i = 0; i < dn; i++) {
+ *bi = *ai;
+ bi += 2;
+ ai += x;
}
}
/* <summary> */
/* Forward 5-3 wavelet tranform in 1-D. */
/* </summary> */
-void dwt_encode_1(int *a, int dn, int sn, int cas)
-{
- int i;
-
- if (!cas) {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++) D(i) -= (S_(i) + S_(i + 1)) >> 1;
- for (i = 0; i < sn; i++) S(i) += (D_(i - 1) + D_(i) + 2) >> 2;
- }
- } else {
- if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
- S(0) *= 2;
- else {
- for (i = 0; i < dn; i++) S(i) -= (DD_(i) + DD_(i - 1)) >> 1;
- for (i = 0; i < sn; i++) D(i) += (SS_(i) + SS_(i + 1) + 2) >> 2;
- }
-
- }
+static void dwt_encode_1(int *a, int dn, int sn, int cas) {
+ int i;
+
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++) D(i) -= (S_(i) + S_(i + 1)) >> 1;
+ for (i = 0; i < sn; i++) S(i) += (D_(i - 1) + D_(i) + 2) >> 2;
+ }
+ } else {
+ if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
+ S(0) *= 2;
+ else {
+ for (i = 0; i < dn; i++) S(i) -= (DD_(i) + DD_(i - 1)) >> 1;
+ for (i = 0; i < sn; i++) D(i) += (SS_(i) + SS_(i + 1) + 2) >> 2;
+ }
+ }
}
/* <summary> */
/* Inverse 5-3 wavelet tranform in 1-D. */
/* </summary> */
-void dwt_decode_1(int *a, int dn, int sn, int cas)
-{
- int i;
-
- if (!cas) {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < sn; i++) S(i) -= (D_(i - 1) + D_(i) + 2) >> 2;
- for (i = 0; i < dn; i++) D(i) += (S_(i) + S_(i + 1)) >> 1;
- }
- } else {
- if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
- S(0) /= 2;
- else {
- for (i = 0; i < sn; i++) D(i) -= (SS_(i) + SS_(i + 1) + 2) >> 2;
- for (i = 0; i < dn; i++) S(i) += (DD_(i) + DD_(i - 1)) >> 1;
- }
- }
+static void dwt_decode_1(int *a, int dn, int sn, int cas) {
+ int i;
+
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++) S(i) -= (D_(i - 1) + D_(i) + 2) >> 2;
+ for (i = 0; i < dn; i++) D(i) += (S_(i) + S_(i + 1)) >> 1;
+ }
+ } else {
+ if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
+ S(0) /= 2;
+ else {
+ for (i = 0; i < sn; i++) D(i) -= (SS_(i) + SS_(i + 1) + 2) >> 2;
+ for (i = 0; i < dn; i++) S(i) += (DD_(i) + DD_(i - 1)) >> 1;
+ }
+ }
+}
+
+/* <summary> */
+/* Forward 9-7 wavelet transform in 1-D. */
+/* </summary> */
+static void dwt_encode_1_real(int *a, int dn, int sn, int cas) {
+ int i;
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++)
+ D(i) -= fix_mul(S_(i) + S_(i + 1), 12993);
+ for (i = 0; i < sn; i++)
+ S(i) -= fix_mul(D_(i - 1) + D_(i), 434);
+ for (i = 0; i < dn; i++)
+ D(i) += fix_mul(S_(i) + S_(i + 1), 7233);
+ for (i = 0; i < sn; i++)
+ S(i) += fix_mul(D_(i - 1) + D_(i), 3633);
+ for (i = 0; i < dn; i++)
+ D(i) = fix_mul(D(i), 5038); /*5038 */
+ for (i = 0; i < sn; i++)
+ S(i) = fix_mul(S(i), 6659); /*6660 */
+ }
+ } else {
+ if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++)
+ S(i) -= fix_mul(DD_(i) + DD_(i - 1), 12993);
+ for (i = 0; i < sn; i++)
+ D(i) -= fix_mul(SS_(i) + SS_(i + 1), 434);
+ for (i = 0; i < dn; i++)
+ S(i) += fix_mul(DD_(i) + DD_(i - 1), 7233);
+ for (i = 0; i < sn; i++)
+ D(i) += fix_mul(SS_(i) + SS_(i + 1), 3633);
+ for (i = 0; i < dn; i++)
+ S(i) = fix_mul(S(i), 5038); /*5038 */
+ for (i = 0; i < sn; i++)
+ D(i) = fix_mul(D(i), 6659); /*6660 */
+ }
+ }
}
+/* <summary> */
+/* Inverse 9-7 wavelet transform in 1-D. */
+/* </summary> */
+static void dwt_decode_1_real(int *a, int dn, int sn, int cas) {
+ int i;
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++)
+ S(i) = fix_mul(S(i), 10078); /* 10076 */
+ for (i = 0; i < dn; i++)
+ D(i) = fix_mul(D(i), 13318); /* 13320 */
+ for (i = 0; i < sn; i++)
+ S(i) -= fix_mul(D_(i - 1) + D_(i), 3633);
+ for (i = 0; i < dn; i++)
+ D(i) -= fix_mul(S_(i) + S_(i + 1), 7233);
+ for (i = 0; i < sn; i++)
+ S(i) += fix_mul(D_(i - 1) + D_(i), 434);
+ for (i = 0; i < dn; i++)
+ D(i) += fix_mul(S_(i) + S_(i + 1), 12994); /* 12993 */
+ }
+ } else {
+ if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++)
+ D(i) = fix_mul(D(i), 10078); /* 10076 */
+ for (i = 0; i < dn; i++)
+ S(i) = fix_mul(S(i), 13318); /* 13320 */
+ for (i = 0; i < sn; i++)
+ D(i) -= fix_mul(SS_(i) + SS_(i + 1), 3633);
+ for (i = 0; i < dn; i++)
+ S(i) -= fix_mul(DD_(i) + DD_(i - 1), 7233);
+ for (i = 0; i < sn; i++)
+ D(i) += fix_mul(SS_(i) + SS_(i + 1), 434);
+ for (i = 0; i < dn; i++)
+ S(i) += fix_mul(DD_(i) + DD_(i - 1), 12994); /* 12993 */
+ }
+ }
+}
+
+static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize) {
+ int p, n;
+ p = int_floorlog2(stepsize) - 13;
+ n = 11 - int_floorlog2(stepsize);
+ bandno_stepsize->mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
+ bandno_stepsize->expn = numbps - p;
+}
+
+/*
+==========================================================
+ DWT interface
+==========================================================
+*/
/* <summary> */
/* Forward 5-3 wavelet tranform in 2-D. */
/* </summary> */
-void dwt_encode(tcd_tilecomp_t * tilec)
-{
- int i, j, k;
- int* a;
- int* aj;
- int* bj;
- int w, l;
-
- w = tilec->x1-tilec->x0;
- l = tilec->numresolutions-1;
- a = tilec->data;
-
- for (i = 0; i < l; i++) {
- int rw; /* width of the resolution level computed */
- int rh; /* heigth of the resolution level computed */
- int rw1; /* width of the resolution level once lower than computed one */
- int rh1; /* height of the resolution level once lower than computed one */
- int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
- int dn, sn;
-
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
- rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
- rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
-
- cas_row = tilec->resolutions[l - i].x0 % 2;
- cas_col = tilec->resolutions[l - i].y0 % 2;
-
-
- sn = rh1;
- dn = rh - rh1;
- bj=(int*)malloc(rh*sizeof(int));
- for (j=0; j<rw; j++) {
- aj=a+j;
- for (k=0; k<rh; k++) bj[k]=aj[k*w];
- dwt_encode_1(bj, dn, sn, cas_col);
- dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
- }
- free(bj);
-
- sn = rw1;
- dn = rw - rw1;
- bj=(int*)malloc(rw*sizeof(int));
- for (j=0; j<rh; j++) {
- aj=a+j*w;
- for (k=0; k<rw; k++) bj[k]=aj[k];
- dwt_encode_1(bj, dn, sn, cas_row);
- dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
- }
- free(bj);
- }
+void dwt_encode(opj_tcd_tilecomp_t * tilec) {
+ int i, j, k;
+ int *a = NULL;
+ int *aj = NULL;
+ int *bj = NULL;
+ int w, l;
+
+ w = tilec->x1-tilec->x0;
+ l = tilec->numresolutions-1;
+ a = tilec->data;
+
+ for (i = 0; i < l; i++) {
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+ int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ int dn, sn;
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
+ rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ sn = rh1;
+ dn = rh - rh1;
+ bj = (int*)opj_malloc(rh * sizeof(int));
+ for (j = 0; j < rw; j++) {
+ aj = a + j;
+ for (k = 0; k < rh; k++) bj[k] = aj[k*w];
+ dwt_encode_1(bj, dn, sn, cas_col);
+ dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
+ }
+ opj_free(bj);
+
+ sn = rw1;
+ dn = rw - rw1;
+ bj = (int*)opj_malloc(rw * sizeof(int));
+ for (j = 0; j < rh; j++) {
+ aj = a + j * w;
+ for (k = 0; k < rw; k++) bj[k] = aj[k];
+ dwt_encode_1(bj, dn, sn, cas_row);
+ dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
+ }
+ opj_free(bj);
+ }
}
/* <summary> */
/* Inverse 5-3 wavelet tranform in 2-D. */
/* </summary> */
-void dwt_decode(tcd_tilecomp_t * tilec, int stop)
-{
- int i, j, k;
- int* a;
- int* aj;
- int* bj;
- int w, l;
-
- w = tilec->x1-tilec->x0;
- l = tilec->numresolutions-1;
- a = tilec->data;
-
- for (i = l - 1; i >= stop; i--) {
- int rw; /* width of the resolution level computed */
- int rh; /* heigth of the resolution level computed */
- int rw1; /* width of the resolution level once lower than computed one */
- int rh1; /* height of the resolution level once lower than computed one */
- int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
- int dn, sn;
-
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
- rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
- rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
-
- cas_row = tilec->resolutions[l - i].x0 % 2;
- cas_col = tilec->resolutions[l - i].y0 % 2;
-
- sn = rw1;
- dn = rw - rw1;
- bj=(int*)malloc(rw*sizeof(int));
- for (j = 0; j < rh; j++) {
- aj = a+j*w;
- dwt_interleave_h(aj, bj, dn, sn, cas_row);
- dwt_decode_1(bj, dn, sn, cas_row);
- for (k = 0; k < rw; k++) aj[k] = bj[k];
- }
- free(bj);
-
- sn = rh1;
- dn = rh - rh1;
- bj=(int*)malloc(rh*sizeof(int));
- for (j = 0; j < rw; j++) {
- aj = a+j;
- dwt_interleave_v(aj, bj, dn, sn, w, cas_col);
- dwt_decode_1(bj, dn, sn, cas_col);
- for (k = 0; k < rh; k++) aj[k * w] = bj[k];
- }
- free(bj);
-
- }
+void dwt_decode(opj_tcd_tilecomp_t * tilec, int stop) {
+ int i, j, k;
+ int *a = NULL;
+ int *aj = NULL;
+ int *bj = NULL;
+ int w, l;
+
+ w = tilec->x1-tilec->x0;
+ l = tilec->numresolutions-1;
+ a = tilec->data;
+
+ for (i = l - 1; i >= stop; i--) {
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+ int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ int dn, sn;
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
+ rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ sn = rw1;
+ dn = rw - rw1;
+ bj = (int*)opj_malloc(rw * sizeof(int));
+ for (j = 0; j < rh; j++) {
+ aj = a + j*w;
+ dwt_interleave_h(aj, bj, dn, sn, cas_row);
+ dwt_decode_1(bj, dn, sn, cas_row);
+ for (k = 0; k < rw; k++) aj[k] = bj[k];
+ }
+ opj_free(bj);
+
+ sn = rh1;
+ dn = rh - rh1;
+ bj = (int*)opj_malloc(rh * sizeof(int));
+ for (j = 0; j < rw; j++) {
+ aj = a + j;
+ dwt_interleave_v(aj, bj, dn, sn, w, cas_col);
+ dwt_decode_1(bj, dn, sn, cas_col);
+ for (k = 0; k < rh; k++) aj[k * w] = bj[k];
+ }
+ opj_free(bj);
+ }
}
/* <summary> */
/* Get gain of 5-3 wavelet transform. */
/* </summary> */
-int dwt_getgain(int orient)
-{
- if (orient == 0)
- return 0;
- if (orient == 1 || orient == 2)
- return 1;
- return 2;
+int dwt_getgain(int orient) {
+ if (orient == 0)
+ return 0;
+ if (orient == 1 || orient == 2)
+ return 1;
+ return 2;
}
/* <summary> */
/* Get norm of 5-3 wavelet. */
/* </summary> */
-double dwt_getnorm(int level, int orient)
-{
- return dwt_norms[orient][level];
-}
-
-/* <summary> */
-/* Forward 9-7 wavelet transform in 1-D. */
-/* </summary> */
-void dwt_encode_1_real(int *a, int dn, int sn, int cas)
-{
- int i;
- if (!cas) {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++)
- D(i) -= fix_mul(S_(i) + S_(i + 1), 12993);
- for (i = 0; i < sn; i++)
- S(i) -= fix_mul(D_(i - 1) + D_(i), 434);
- for (i = 0; i < dn; i++)
- D(i) += fix_mul(S_(i) + S_(i + 1), 7233);
- for (i = 0; i < sn; i++)
- S(i) += fix_mul(D_(i - 1) + D_(i), 3633);
- for (i = 0; i < dn; i++)
- D(i) = fix_mul(D(i), 5038); /*5038 */
- for (i = 0; i < sn; i++)
- S(i) = fix_mul(S(i), 6659); /*6660 */
- }
- } else {
- if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++)
- S(i) -= fix_mul(DD_(i) + DD_(i - 1), 12993);
- for (i = 0; i < sn; i++)
- D(i) -= fix_mul(SS_(i) + SS_(i + 1), 434);
- for (i = 0; i < dn; i++)
- S(i) += fix_mul(DD_(i) + DD_(i - 1), 7233);
- for (i = 0; i < sn; i++)
- D(i) += fix_mul(SS_(i) + SS_(i + 1), 3633);
- for (i = 0; i < dn; i++)
- S(i) = fix_mul(S(i), 5038); /*5038 */
- for (i = 0; i < sn; i++)
- D(i) = fix_mul(D(i), 6659); /*6660 */
- }
- }
-}
-
-/* <summary> */
-/* Inverse 9-7 wavelet transform in 1-D. */
-/* </summary> */
-void dwt_decode_1_real(int *a, int dn, int sn, int cas)
-{
- int i;
- if (!cas) {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < sn; i++)
- S(i) = fix_mul(S(i), 10078); /* 10076 */
- for (i = 0; i < dn; i++)
- D(i) = fix_mul(D(i), 13318); /* 13320 */
- for (i = 0; i < sn; i++)
- S(i) -= fix_mul(D_(i - 1) + D_(i), 3633);
- for (i = 0; i < dn; i++)
- D(i) -= fix_mul(S_(i) + S_(i + 1), 7233);
- for (i = 0; i < sn; i++)
- S(i) += fix_mul(D_(i - 1) + D_(i), 434);
- for (i = 0; i < dn; i++)
- D(i) += fix_mul(S_(i) + S_(i + 1), 12993);
- }
- } else {
- if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < sn; i++)
- D(i) = fix_mul(D(i), 10078); /* 10076 */
- for (i = 0; i < dn; i++)
- S(i) = fix_mul(S(i), 13318); /* 13320 */
- for (i = 0; i < sn; i++)
- D(i) -= fix_mul(SS_(i) + SS_(i + 1), 3633);
- for (i = 0; i < dn; i++)
- S(i) -= fix_mul(DD_(i) + DD_(i - 1), 7233);
- for (i = 0; i < sn; i++)
- D(i) += fix_mul(SS_(i) + SS_(i + 1), 434);
- for (i = 0; i < dn; i++)
- S(i) += fix_mul(DD_(i) + DD_(i - 1), 12993);
- }
- }
+double dwt_getnorm(int level, int orient) {
+ return dwt_norms[orient][level];
}
/* <summary> */
/* Forward 9-7 wavelet transform in 2-D. */
/* </summary> */
-void dwt_encode_real(tcd_tilecomp_t * tilec)
-{
- int i, j, k;
- int* a;
- int* aj;
- int* bj;
- int w, l;
-
- w = tilec->x1-tilec->x0;
- l = tilec->numresolutions-1;
- a = tilec->data;
-
- for (i = 0; i < l; i++) {
- int rw; /* width of the resolution level computed */
- int rh; /* heigth of the resolution level computed */
- int rw1; /* width of the resolution level once lower than computed one */
- int rh1; /* height of the resolution level once lower than computed one */
- int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
- int dn, sn;
-
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
- rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
- rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
-
- cas_row = tilec->resolutions[l - i].x0 % 2;
- cas_col = tilec->resolutions[l - i].y0 % 2;
-
- sn = rh1;
- dn = rh - rh1;
- bj=(int*)malloc(rh*sizeof(int));
- for (j = 0; j < rw; j++) {
- aj = a + j;
- for (k = 0; k < rh; k++) bj[k] = aj[k*w];
- dwt_encode_1_real(bj, dn, sn, cas_col);
- dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
- }
- free(bj);
-
- sn = rw1;
- dn = rw - rw1;
- bj=(int*)malloc(rw*sizeof(int));
- for (j = 0; j < rh; j++) {
- aj = a + j * w;
- for (k = 0; k < rw; k++) bj[k] = aj[k];
- dwt_encode_1_real(bj, dn, sn, cas_row);
- dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
- }
- free(bj);
- }
+void dwt_encode_real(opj_tcd_tilecomp_t * tilec) {
+ int i, j, k;
+ int *a = NULL;
+ int *aj = NULL;
+ int *bj = NULL;
+ int w, l;
+
+ w = tilec->x1-tilec->x0;
+ l = tilec->numresolutions-1;
+ a = tilec->data;
+
+ for (i = 0; i < l; i++) {
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+ int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ int dn, sn;
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
+ rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ sn = rh1;
+ dn = rh - rh1;
+ bj = (int*)opj_malloc(rh * sizeof(int));
+ for (j = 0; j < rw; j++) {
+ aj = a + j;
+ for (k = 0; k < rh; k++) bj[k] = aj[k*w];
+ dwt_encode_1_real(bj, dn, sn, cas_col);
+ dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
+ }
+ opj_free(bj);
+
+ sn = rw1;
+ dn = rw - rw1;
+ bj = (int*)opj_malloc(rw * sizeof(int));
+ for (j = 0; j < rh; j++) {
+ aj = a + j * w;
+ for (k = 0; k < rw; k++) bj[k] = aj[k];
+ dwt_encode_1_real(bj, dn, sn, cas_row);
+ dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
+ }
+ opj_free(bj);
+ }
}
/* <summary> */
/* Inverse 9-7 wavelet transform in 2-D. */
/* </summary> */
-void dwt_decode_real(tcd_tilecomp_t * tilec, int stop)
-{
-
- int i, j, k;
- int* a;
- int* aj;
- int* bj;
- int w, l;
-
- w = tilec->x1-tilec->x0;
- l = tilec->numresolutions-1;
- a = tilec->data;
-
- for (i = l-1; i >= stop; i--) {
- int rw; /* width of the resolution level computed */
- int rh; /* heigth of the resolution level computed */
- int rw1; /* width of the resolution level once lower than computed one */
- int rh1; /* height of the resolution level once lower than computed one */
- int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
- int dn, sn;
-
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
- rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
- rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
-
- cas_col = tilec->resolutions[l - i].x0 % 2; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- cas_row = tilec->resolutions[l - i].y0 % 2; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
-
- sn = rw1;
- dn = rw-rw1;
- bj = (int*)malloc(rw * sizeof(int));
- for (j = 0; j < rh; j++) {
- aj = a+j*w;
- dwt_interleave_h(aj, bj, dn, sn, cas_col);
- dwt_decode_1_real(bj, dn, sn, cas_col);
- for (k = 0; k < rw; k++) aj[k] = bj[k];
- }
- free(bj);
-
- sn = rh1;
- dn = rh-rh1;
- bj = (int*)malloc(rh * sizeof(int));
- for (j=0; j<rw; j++) {
- aj = a+j;
- dwt_interleave_v(aj, bj, dn, sn, w, cas_row);
- dwt_decode_1_real(bj, dn, sn, cas_row);
- for (k = 0; k < rh; k++) aj[k * w] = bj[k];
- }
- free(bj);
- }
+void dwt_decode_real(opj_tcd_tilecomp_t * tilec, int stop) {
+ int i, j, k;
+ int *a = NULL;
+ int *aj = NULL;
+ int *bj = NULL;
+ int w, l;
+
+ w = tilec->x1-tilec->x0;
+ l = tilec->numresolutions-1;
+ a = tilec->data;
+
+ for (i = l-1; i >= stop; i--) {
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+ int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ int dn, sn;
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
+ rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
+
+ cas_col = tilec->resolutions[l - i].x0 % 2; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ cas_row = tilec->resolutions[l - i].y0 % 2; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+
+ sn = rw1;
+ dn = rw-rw1;
+ bj = (int*)opj_malloc(rw * sizeof(int));
+ for (j = 0; j < rh; j++) {
+ aj = a + j * w;
+ dwt_interleave_h(aj, bj, dn, sn, cas_col);
+ dwt_decode_1_real(bj, dn, sn, cas_col);
+ for (k = 0; k < rw; k++) aj[k] = bj[k];
+ }
+ opj_free(bj);
+
+ sn = rh1;
+ dn = rh-rh1;
+ bj = (int*)opj_malloc(rh * sizeof(int));
+ for (j = 0; j < rw; j++) {
+ aj = a + j;
+ dwt_interleave_v(aj, bj, dn, sn, w, cas_row);
+ dwt_decode_1_real(bj, dn, sn, cas_row);
+ for (k = 0; k < rh; k++) aj[k * w] = bj[k];
+ }
+ opj_free(bj);
+ }
}
/* <summary> */
/* Get gain of 9-7 wavelet transform. */
/* </summary> */
-int dwt_getgain_real(int orient)
-{
- return 0;
+int dwt_getgain_real(int orient) {
+ (void)orient;
+ return 0;
}
/* <summary> */
/* Get norm of 9-7 wavelet. */
/* </summary> */
-double dwt_getnorm_real(int level, int orient)
-{
- return dwt_norms_real[orient][level];
+double dwt_getnorm_real(int level, int orient) {
+ return dwt_norms_real[orient][level];
+}
+
+void dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, int prec) {
+ int numbands, bandno;
+ numbands = 3 * tccp->numresolutions - 2;
+ for (bandno = 0; bandno < numbands; bandno++) {
+ double stepsize;
+ int resno, level, orient, gain;
+
+ resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1);
+ orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1);
+ level = tccp->numresolutions - 1 - resno;
+ gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) || (orient == 2)) ? 1 : 2));
+ if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ stepsize = 1.0;
+ } else {
+ double norm = dwt_norms_real[orient][level];
+ stepsize = (1 << (gain + 1)) / norm;
+ }
+ dwt_encode_stepsize((int) floor(stepsize * 8192.0), prec + gain, &tccp->stepsizes[bandno]);
+ }
}
projects / openjpeg.git / blobdiff