diff options
| author | Antonin Descampe <antonin@gmail.com> | 2016-01-25 23:22:06 +0100 |
|---|---|---|
| committer | Antonin Descampe <antonin@gmail.com> | 2016-01-25 23:22:06 +0100 |
| commit | 0febbff19e05cb1a6c2613eee76ad46a669c96cd (patch) | |
| tree | b6442d01348e2ba6404d0fd6abcc4eb6d6cc1390 /src/lib/openmj2/dwt.c | |
| parent | bede1568b197021bb576b935422af6c1d0a79e21 (diff) | |
processed all c/h files through astyle with opj_astyle.cfgcodingstyle
Diffstat (limited to 'src/lib/openmj2/dwt.c')
| -rw-r--r-- | src/lib/openmj2/dwt.c | 1150 |
1 files changed, 590 insertions, 560 deletions
diff --git a/src/lib/openmj2/dwt.c b/src/lib/openmj2/dwt.c index 178e4d02..9a04251a 100644 --- a/src/lib/openmj2/dwt.c +++ b/src/lib/openmj2/dwt.c @@ -1,6 +1,6 @@ /* - * The copyright in this software is being made available under the 2-clauses - * BSD License, included below. This software may be subject to other third + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third * party and contributor rights, including patent rights, and no such rights * are granted under this license. * @@ -8,7 +8,7 @@ * Copyright (c) 2002-2014, Professor Benoit Macq * Copyright (c) 2001-2003, David Janssens * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2007, Francois-Olivier Devaux * Copyright (c) 2003-2014, Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team * Copyright (c) 2007, Jonathan Ballard <dzonatas@dzonux.net> @@ -53,21 +53,21 @@ /*@{*/ typedef struct dwt_local { - int* mem; - int dn; - int sn; - int cas; + int* mem; + int dn; + int sn; + int cas; } dwt_t; typedef union { - float f[4]; + float f[4]; } v4; typedef struct v4dwt_local { - v4* wavelet ; - int dn ; - int sn ; - int cas ; + v4* wavelet ; + int dn ; + int sn ; + int cas ; } v4dwt_t ; static const float dwt_alpha = 1.586134342f; /* 12994 */ @@ -82,7 +82,7 @@ static const float c13318 = 1.625732422f; /*@}*/ /** -Virtual function type for wavelet transform in 1-D +Virtual function type for wavelet transform in 1-D */ typedef void (*DWT1DFN)(dwt_t* v); @@ -118,7 +118,7 @@ Forward 9-7 wavelet transform in 1-D */ static void dwt_encode_1_real(int *a, int dn, int sn, int cas); /** -Explicit calculation of the Quantization Stepsizes +Explicit calculation of the Quantization Stepsizes */ static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize); /** @@ -142,23 +142,23 @@ static void dwt_decode_tile(opj_tcd_tilecomp_t* tilec, int i, DWT1DFN fn); /* This table contains the norms of the 5-3 wavelets for different bands. */ /* </summary> */ 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} + {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> */ 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} + {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 ========================================================== @@ -166,17 +166,19 @@ static const double dwt_norms_real[4][10] = { /* <summary> */ /* Forward lazy transform (horizontal). */ -/* </summary> */ -static void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas) { - int i; +/* </summary> */ +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> */ +/* <summary> */ /* Forward lazy transform (vertical). */ -/* </summary> */ -static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas) { +/* </summary> */ +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)]; @@ -185,42 +187,44 @@ static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas) { /* <summary> */ /* Inverse lazy transform (horizontal). */ /* </summary> */ -static void dwt_interleave_h(dwt_t* h, int *a) { +static void dwt_interleave_h(dwt_t* h, int *a) +{ int *ai = a; int *bi = h->mem + h->cas; int i = h->sn; while( i-- ) { - *bi = *(ai++); - bi += 2; + *bi = *(ai++); + bi += 2; } ai = a + h->sn; bi = h->mem + 1 - h->cas; i = h->dn ; while( i-- ) { - *bi = *(ai++); - bi += 2; + *bi = *(ai++); + bi += 2; } } -/* <summary> */ +/* <summary> */ /* Inverse lazy transform (vertical). */ -/* </summary> */ -static void dwt_interleave_v(dwt_t* v, int *a, int x) { +/* </summary> */ +static void dwt_interleave_v(dwt_t* v, int *a, int x) +{ int *ai = a; int *bi = v->mem + v->cas; int i = v->sn; while( i-- ) { - *bi = *ai; - bi += 2; - ai += x; + *bi = *ai; + bi += 2; + ai += x; } ai = a + (v->sn * x); bi = v->mem + 1 - v->cas; i = v->dn ; while( i-- ) { - *bi = *ai; - bi += 2; - ai += x; + *bi = *ai; + bi += 2; + ai += x; } } @@ -228,99 +232,104 @@ static void dwt_interleave_v(dwt_t* v, int *a, int x) { /* <summary> */ /* Forward 5-3 wavelet transform in 1-D. */ /* </summary> */ -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; - } - } +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 transform in 1-D. */ -/* </summary> */ -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> */ +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> */ /* Inverse 5-3 wavelet transform in 1-D. */ -/* </summary> */ -static void dwt_decode_1(dwt_t *v) { - dwt_decode_1_(v->mem, v->dn, v->sn, v->cas); +/* </summary> */ +static void dwt_decode_1(dwt_t *v) +{ + dwt_decode_1_(v->mem, v->dn, v->sn, v->cas); } /* <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 */ - } - } +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 */ + } + } } -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; +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 ========================================================== @@ -329,413 +338,429 @@ static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno /* <summary> */ /* Forward 5-3 wavelet transform in 2-D. */ /* </summary> */ -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; /* height 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); - } +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; /* height 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 transform in 2-D. */ /* </summary> */ -void dwt_decode(opj_tcd_tilecomp_t* tilec, int numres) { - dwt_decode_tile(tilec, numres, &dwt_decode_1); +void dwt_decode(opj_tcd_tilecomp_t* tilec, int numres) +{ + dwt_decode_tile(tilec, numres, &dwt_decode_1); } /* <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]; +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(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; /* height 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); - } +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; /* height 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> */ /* Get gain of 9-7 wavelet transform. */ /* </summary> */ -int dwt_getgain_real(int orient) { - (void)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)) / norm; - } - dwt_encode_stepsize((int) floor(stepsize * 8192.0), prec + gain, &tccp->stepsizes[bandno]); - } +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)) / norm; + } + dwt_encode_stepsize((int) floor(stepsize * 8192.0), prec + gain, &tccp->stepsizes[bandno]); + } } /* <summary> */ /* Determine maximum computed resolution level for inverse wavelet transform */ /* </summary> */ -static int dwt_decode_max_resolution(opj_tcd_resolution_t* restrict r, int i) { - int mr = 1; - int w; - while( --i ) { - r++; - if( mr < ( w = r->x1 - r->x0 ) ) - mr = w ; - if( mr < ( w = r->y1 - r->y0 ) ) - mr = w ; - } - return mr ; +static int dwt_decode_max_resolution(opj_tcd_resolution_t* restrict r, int i) +{ + int mr = 1; + int w; + while( --i ) { + r++; + if( mr < ( w = r->x1 - r->x0 ) ) + mr = w ; + if( mr < ( w = r->y1 - r->y0 ) ) + mr = w ; + } + return mr ; } /* <summary> */ /* Inverse wavelet transform in 2-D. */ /* </summary> */ -static void dwt_decode_tile(opj_tcd_tilecomp_t* tilec, int numres, DWT1DFN dwt_1D) { - dwt_t h; - dwt_t v; +static void dwt_decode_tile(opj_tcd_tilecomp_t* tilec, int numres, DWT1DFN dwt_1D) +{ + dwt_t h; + dwt_t v; - opj_tcd_resolution_t* tr = tilec->resolutions; + opj_tcd_resolution_t* tr = tilec->resolutions; - int rw = tr->x1 - tr->x0; /* width of the resolution level computed */ - int rh = tr->y1 - tr->y0; /* height of the resolution level computed */ + int rw = tr->x1 - tr->x0; /* width of the resolution level computed */ + int rh = tr->y1 - tr->y0; /* height of the resolution level computed */ - int w = tilec->x1 - tilec->x0; + int w = tilec->x1 - tilec->x0; - h.mem = (int*)opj_aligned_malloc(dwt_decode_max_resolution(tr, numres) * sizeof(int)); - v.mem = h.mem; + h.mem = (int*)opj_aligned_malloc(dwt_decode_max_resolution(tr, numres) * sizeof(int)); + v.mem = h.mem; - while( --numres) { - int * restrict tiledp = tilec->data; - int j; + while( --numres) { + int * restrict tiledp = tilec->data; + int j; - ++tr; - h.sn = rw; - v.sn = rh; + ++tr; + h.sn = rw; + v.sn = rh; - rw = tr->x1 - tr->x0; - rh = tr->y1 - tr->y0; + rw = tr->x1 - tr->x0; + rh = tr->y1 - tr->y0; - h.dn = rw - h.sn; - h.cas = tr->x0 % 2; + h.dn = rw - h.sn; + h.cas = tr->x0 % 2; - for(j = 0; j < rh; ++j) { - dwt_interleave_h(&h, &tiledp[j*w]); - (dwt_1D)(&h); - memcpy(&tiledp[j*w], h.mem, rw * sizeof(int)); - } + for(j = 0; j < rh; ++j) { + dwt_interleave_h(&h, &tiledp[j*w]); + (dwt_1D)(&h); + memcpy(&tiledp[j*w], h.mem, rw * sizeof(int)); + } - v.dn = rh - v.sn; - v.cas = tr->y0 % 2; + v.dn = rh - v.sn; + v.cas = tr->y0 % 2; - for(j = 0; j < rw; ++j){ - int k; - dwt_interleave_v(&v, &tiledp[j], w); - (dwt_1D)(&v); - for(k = 0; k < rh; ++k) { - tiledp[k * w + j] = v.mem[k]; - } - } - } - opj_aligned_free(h.mem); + for(j = 0; j < rw; ++j) { + int k; + dwt_interleave_v(&v, &tiledp[j], w); + (dwt_1D)(&v); + for(k = 0; k < rh; ++k) { + tiledp[k * w + j] = v.mem[k]; + } + } + } + opj_aligned_free(h.mem); } -static void v4dwt_interleave_h(v4dwt_t* restrict w, float* restrict a, int x, int size){ - float* restrict bi = (float*) (w->wavelet + w->cas); - int count = w->sn; - int i, k; - for(k = 0; k < 2; ++k){ - if (count + 3 * x < size && ((size_t) a & 0x0f) == 0 && ((size_t) bi & 0x0f) == 0 && (x & 0x0f) == 0) { - /* Fast code path */ - for(i = 0; i < count; ++i){ - int j = i; - bi[i*8 ] = a[j]; - j += x; - bi[i*8 + 1] = a[j]; - j += x; - bi[i*8 + 2] = a[j]; - j += x; - bi[i*8 + 3] = a[j]; - } - } else { - /* Slow code path */ - for(i = 0; i < count; ++i){ - int j = i; - bi[i*8 ] = a[j]; - j += x; - if(j > size) continue; - bi[i*8 + 1] = a[j]; - j += x; - if(j > size) continue; - bi[i*8 + 2] = a[j]; - j += x; - if(j > size) continue; - bi[i*8 + 3] = a[j]; - } - } - bi = (float*) (w->wavelet + 1 - w->cas); - a += w->sn; - size -= w->sn; - count = w->dn; - } +static void v4dwt_interleave_h(v4dwt_t* restrict w, float* restrict a, int x, int size) +{ + float* restrict bi = (float*) (w->wavelet + w->cas); + int count = w->sn; + int i, k; + for(k = 0; k < 2; ++k) { + if (count + 3 * x < size && ((size_t) a & 0x0f) == 0 && ((size_t) bi & 0x0f) == 0 && (x & 0x0f) == 0) { + /* Fast code path */ + for(i = 0; i < count; ++i) { + int j = i; + bi[i*8 ] = a[j]; + j += x; + bi[i*8 + 1] = a[j]; + j += x; + bi[i*8 + 2] = a[j]; + j += x; + bi[i*8 + 3] = a[j]; + } + } else { + /* Slow code path */ + for(i = 0; i < count; ++i) { + int j = i; + bi[i*8 ] = a[j]; + j += x; + if(j > size) continue; + bi[i*8 + 1] = a[j]; + j += x; + if(j > size) continue; + bi[i*8 + 2] = a[j]; + j += x; + if(j > size) continue; + bi[i*8 + 3] = a[j]; + } + } + bi = (float*) (w->wavelet + 1 - w->cas); + a += w->sn; + size -= w->sn; + count = w->dn; + } } -static void v4dwt_interleave_v(v4dwt_t* restrict v , float* restrict a , int x){ - v4* restrict bi = v->wavelet + v->cas; - int i; - for(i = 0; i < v->sn; ++i){ - memcpy(&bi[i*2], &a[i*x], 4 * sizeof(float)); - } - a += v->sn * x; - bi = v->wavelet + 1 - v->cas; - for(i = 0; i < v->dn; ++i){ - memcpy(&bi[i*2], &a[i*x], 4 * sizeof(float)); - } +static void v4dwt_interleave_v(v4dwt_t* restrict v , float* restrict a , int x) +{ + v4* restrict bi = v->wavelet + v->cas; + int i; + for(i = 0; i < v->sn; ++i) { + memcpy(&bi[i*2], &a[i*x], 4 * sizeof(float)); + } + a += v->sn * x; + bi = v->wavelet + 1 - v->cas; + for(i = 0; i < v->dn; ++i) { + memcpy(&bi[i*2], &a[i*x], 4 * sizeof(float)); + } } #ifdef __SSE__ -static void v4dwt_decode_step1_sse(v4* w, int count, const __m128 c){ - __m128* restrict vw = (__m128*) w; - int i; - /* 4x unrolled loop */ - for(i = 0; i < count >> 2; ++i){ - *vw = _mm_mul_ps(*vw, c); - vw += 2; - *vw = _mm_mul_ps(*vw, c); - vw += 2; - *vw = _mm_mul_ps(*vw, c); - vw += 2; - *vw = _mm_mul_ps(*vw, c); - vw += 2; - } - count &= 3; - for(i = 0; i < count; ++i){ - *vw = _mm_mul_ps(*vw, c); - vw += 2; - } +static void v4dwt_decode_step1_sse(v4* w, int count, const __m128 c) +{ + __m128* restrict vw = (__m128*) w; + int i; + /* 4x unrolled loop */ + for(i = 0; i < count >> 2; ++i) { + *vw = _mm_mul_ps(*vw, c); + vw += 2; + *vw = _mm_mul_ps(*vw, c); + vw += 2; + *vw = _mm_mul_ps(*vw, c); + vw += 2; + *vw = _mm_mul_ps(*vw, c); + vw += 2; + } + count &= 3; + for(i = 0; i < count; ++i) { + *vw = _mm_mul_ps(*vw, c); + vw += 2; + } } -static void v4dwt_decode_step2_sse(v4* l, v4* w, int k, int m, __m128 c){ - __m128* restrict vl = (__m128*) l; - __m128* restrict vw = (__m128*) w; - int i; - __m128 tmp1, tmp2, tmp3; - tmp1 = vl[0]; - for(i = 0; i < m; ++i){ - tmp2 = vw[-1]; - tmp3 = vw[ 0]; - vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c)); - tmp1 = tmp3; - vw += 2; - } - vl = vw - 2; - if(m >= k){ - return; - } - c = _mm_add_ps(c, c); - c = _mm_mul_ps(c, vl[0]); - for(; m < k; ++m){ - __m128 tmp = vw[-1]; - vw[-1] = _mm_add_ps(tmp, c); - vw += 2; - } +static void v4dwt_decode_step2_sse(v4* l, v4* w, int k, int m, __m128 c) +{ + __m128* restrict vl = (__m128*) l; + __m128* restrict vw = (__m128*) w; + int i; + __m128 tmp1, tmp2, tmp3; + tmp1 = vl[0]; + for(i = 0; i < m; ++i) { + tmp2 = vw[-1]; + tmp3 = vw[ 0]; + vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c)); + tmp1 = tmp3; + vw += 2; + } + vl = vw - 2; + if(m >= k) { + return; + } + c = _mm_add_ps(c, c); + c = _mm_mul_ps(c, vl[0]); + for(; m < k; ++m) { + __m128 tmp = vw[-1]; + vw[-1] = _mm_add_ps(tmp, c); + vw += 2; + } } #else -static void v4dwt_decode_step1(v4* w, int count, const float c){ - float* restrict fw = (float*) w; - int i; - for(i = 0; i < count; ++i){ - float tmp1 = fw[i*8 ]; - float tmp2 = fw[i*8 + 1]; - float tmp3 = fw[i*8 + 2]; - float tmp4 = fw[i*8 + 3]; - fw[i*8 ] = tmp1 * c; - fw[i*8 + 1] = tmp2 * c; - fw[i*8 + 2] = tmp3 * c; - fw[i*8 + 3] = tmp4 * c; - } +static void v4dwt_decode_step1(v4* w, int count, const float c) +{ + float* restrict fw = (float*) w; + int i; + for(i = 0; i < count; ++i) { + float tmp1 = fw[i*8 ]; + float tmp2 = fw[i*8 + 1]; + float tmp3 = fw[i*8 + 2]; + float tmp4 = fw[i*8 + 3]; + fw[i*8 ] = tmp1 * c; + fw[i*8 + 1] = tmp2 * c; + fw[i*8 + 2] = tmp3 * c; + fw[i*8 + 3] = tmp4 * c; + } } -static void v4dwt_decode_step2(v4* l, v4* w, int k, int m, float c){ - float* restrict fl = (float*) l; - float* restrict fw = (float*) w; - int i; - for(i = 0; i < m; ++i){ - float tmp1_1 = fl[0]; - float tmp1_2 = fl[1]; - float tmp1_3 = fl[2]; - float tmp1_4 = fl[3]; - float tmp2_1 = fw[-4]; - float tmp2_2 = fw[-3]; - float tmp2_3 = fw[-2]; - float tmp2_4 = fw[-1]; - float tmp3_1 = fw[0]; - float tmp3_2 = fw[1]; - float tmp3_3 = fw[2]; - float tmp3_4 = fw[3]; - fw[-4] = tmp2_1 + ((tmp1_1 + tmp3_1) * c); - fw[-3] = tmp2_2 + ((tmp1_2 + tmp3_2) * c); - fw[-2] = tmp2_3 + ((tmp1_3 + tmp3_3) * c); - fw[-1] = tmp2_4 + ((tmp1_4 + tmp3_4) * c); - fl = fw; - fw += 8; - } - if(m < k){ - float c1; - float c2; - float c3; - float c4; - c += c; - c1 = fl[0] * c; - c2 = fl[1] * c; - c3 = fl[2] * c; - c4 = fl[3] * c; - for(; m < k; ++m){ - float tmp1 = fw[-4]; - float tmp2 = fw[-3]; - float tmp3 = fw[-2]; - float tmp4 = fw[-1]; - fw[-4] = tmp1 + c1; - fw[-3] = tmp2 + c2; - fw[-2] = tmp3 + c3; - fw[-1] = tmp4 + c4; - fw += 8; - } - } +static void v4dwt_decode_step2(v4* l, v4* w, int k, int m, float c) +{ + float* restrict fl = (float*) l; + float* restrict fw = (float*) w; + int i; + for(i = 0; i < m; ++i) { + float tmp1_1 = fl[0]; + float tmp1_2 = fl[1]; + float tmp1_3 = fl[2]; + float tmp1_4 = fl[3]; + float tmp2_1 = fw[-4]; + float tmp2_2 = fw[-3]; + float tmp2_3 = fw[-2]; + float tmp2_4 = fw[-1]; + float tmp3_1 = fw[0]; + float tmp3_2 = fw[1]; + float tmp3_3 = fw[2]; + float tmp3_4 = fw[3]; + fw[-4] = tmp2_1 + ((tmp1_1 + tmp3_1) * c); + fw[-3] = tmp2_2 + ((tmp1_2 + tmp3_2) * c); + fw[-2] = tmp2_3 + ((tmp1_3 + tmp3_3) * c); + fw[-1] = tmp2_4 + ((tmp1_4 + tmp3_4) * c); + fl = fw; + fw += 8; + } + if(m < k) { + float c1; + float c2; + float c3; + float c4; + c += c; + c1 = fl[0] * c; + c2 = fl[1] * c; + c3 = fl[2] * c; + c4 = fl[3] * c; + for(; m < k; ++m) { + float tmp1 = fw[-4]; + float tmp2 = fw[-3]; + float tmp3 = fw[-2]; + float tmp4 = fw[-1]; + fw[-4] = tmp1 + c1; + fw[-3] = tmp2 + c2; + fw[-2] = tmp3 + c3; + fw[-1] = tmp4 + c4; + fw += 8; + } + } } #endif @@ -743,122 +768,127 @@ static void v4dwt_decode_step2(v4* l, v4* w, int k, int m, float c){ /* <summary> */ /* Inverse 9-7 wavelet transform in 1-D. */ /* </summary> */ -static void v4dwt_decode(v4dwt_t* restrict dwt){ - int a, b; - if(dwt->cas == 0) { - if(!((dwt->dn > 0) || (dwt->sn > 1))){ - return; - } - a = 0; - b = 1; - }else{ - if(!((dwt->sn > 0) || (dwt->dn > 1))) { - return; - } - a = 1; - b = 0; - } +static void v4dwt_decode(v4dwt_t* restrict dwt) +{ + int a, b; + if(dwt->cas == 0) { + if(!((dwt->dn > 0) || (dwt->sn > 1))) { + return; + } + a = 0; + b = 1; + } else { + if(!((dwt->sn > 0) || (dwt->dn > 1))) { + return; + } + a = 1; + b = 0; + } #ifdef __SSE__ - v4dwt_decode_step1_sse(dwt->wavelet+a, dwt->sn, _mm_set1_ps(K)); - v4dwt_decode_step1_sse(dwt->wavelet+b, dwt->dn, _mm_set1_ps(c13318)); - v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(dwt_delta)); - v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(dwt_gamma)); - v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(dwt_beta)); - v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(dwt_alpha)); + v4dwt_decode_step1_sse(dwt->wavelet+a, dwt->sn, _mm_set1_ps(K)); + v4dwt_decode_step1_sse(dwt->wavelet+b, dwt->dn, _mm_set1_ps(c13318)); + v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(dwt_delta)); + v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(dwt_gamma)); + v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(dwt_beta)); + v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(dwt_alpha)); #else - v4dwt_decode_step1(dwt->wavelet+a, dwt->sn, K); - v4dwt_decode_step1(dwt->wavelet+b, dwt->dn, c13318); - v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), dwt_delta); - v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), dwt_gamma); - v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), dwt_beta); - v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), dwt_alpha); + v4dwt_decode_step1(dwt->wavelet+a, dwt->sn, K); + v4dwt_decode_step1(dwt->wavelet+b, dwt->dn, c13318); + v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), dwt_delta); + v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), dwt_gamma); + v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, int_min(dwt->sn, dwt->dn-a), dwt_beta); + v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, int_min(dwt->dn, dwt->sn-b), dwt_alpha); #endif } /* <summary> */ /* Inverse 9-7 wavelet transform in 2-D. */ /* </summary> */ -void dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, int numres){ - v4dwt_t h; - v4dwt_t v; - - opj_tcd_resolution_t* res = tilec->resolutions; - - int rw = res->x1 - res->x0; /* width of the resolution level computed */ - int rh = res->y1 - res->y0; /* height of the resolution level computed */ - - int w = tilec->x1 - tilec->x0; - - h.wavelet = (v4*) opj_aligned_malloc((dwt_decode_max_resolution(res, numres)+5) * sizeof(v4)); - v.wavelet = h.wavelet; - - while( --numres) { - float * restrict aj = (float*) tilec->data; - int bufsize = (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0); - int j; - - h.sn = rw; - v.sn = rh; - - ++res; - - rw = res->x1 - res->x0; /* width of the resolution level computed */ - rh = res->y1 - res->y0; /* height of the resolution level computed */ - - h.dn = rw - h.sn; - h.cas = res->x0 % 2; - - for(j = rh; j > 3; j -= 4){ - int k; - v4dwt_interleave_h(&h, aj, w, bufsize); - v4dwt_decode(&h); - for(k = rw; --k >= 0;){ - aj[k ] = h.wavelet[k].f[0]; - aj[k+w ] = h.wavelet[k].f[1]; - aj[k+w*2] = h.wavelet[k].f[2]; - aj[k+w*3] = h.wavelet[k].f[3]; - } - aj += w*4; - bufsize -= w*4; - } - if (rh & 0x03) { - int k; - j = rh & 0x03; - v4dwt_interleave_h(&h, aj, w, bufsize); - v4dwt_decode(&h); - for(k = rw; --k >= 0;){ - switch(j) { - case 3: aj[k+w*2] = h.wavelet[k].f[2]; - case 2: aj[k+w ] = h.wavelet[k].f[1]; - case 1: aj[k ] = h.wavelet[k].f[0]; - } - } - } - - v.dn = rh - v.sn; - v.cas = res->y0 % 2; - - aj = (float*) tilec->data; - for(j = rw; j > 3; j -= 4){ - int k; - v4dwt_interleave_v(&v, aj, w); - v4dwt_decode(&v); - for(k = 0; k < rh; ++k){ - memcpy(&aj[k*w], &v.wavelet[k], 4 * sizeof(float)); - } - aj += 4; - } - if (rw & 0x03){ - int k; - j = rw & 0x03; - v4dwt_interleave_v(&v, aj, w); - v4dwt_decode(&v); - for(k = 0; k < rh; ++k){ - memcpy(&aj[k*w], &v.wavelet[k], j * sizeof(float)); - } - } - } - - opj_aligned_free(h.wavelet); +void dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, int numres) +{ + v4dwt_t h; + v4dwt_t v; + + opj_tcd_resolution_t* res = tilec->resolutions; + + int rw = res->x1 - res->x0; /* width of the resolution level computed */ + int rh = res->y1 - res->y0; /* height of the resolution level computed */ + + int w = tilec->x1 - tilec->x0; + + h.wavelet = (v4*) opj_aligned_malloc((dwt_decode_max_resolution(res, numres)+5) * sizeof(v4)); + v.wavelet = h.wavelet; + + while( --numres) { + float * restrict aj = (float*) tilec->data; + int bufsize = (tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0); + int j; + + h.sn = rw; + v.sn = rh; + + ++res; + + rw = res->x1 - res->x0; /* width of the resolution level computed */ + rh = res->y1 - res->y0; /* height of the resolution level computed */ + + h.dn = rw - h.sn; + h.cas = res->x0 % 2; + + for(j = rh; j > 3; j -= 4) { + int k; + v4dwt_interleave_h(&h, aj, w, bufsize); + v4dwt_decode(&h); + for(k = rw; --k >= 0;) { + aj[k ] = h.wavelet[k].f[0]; + aj[k+w ] = h.wavelet[k].f[1]; + aj[k+w*2] = h.wavelet[k].f[2]; + aj[k+w*3] = h.wavelet[k].f[3]; + } + aj += w*4; + bufsize -= w*4; + } + if (rh & 0x03) { + int k; + j = rh & 0x03; + v4dwt_interleave_h(&h, aj, w, bufsize); + v4dwt_decode(&h); + for(k = rw; --k >= 0;) { + switch(j) { + case 3: + aj[k+w*2] = h.wavelet[k].f[2]; + case 2: + aj[k+w ] = h.wavelet[k].f[1]; + case 1: + aj[k ] = h.wavelet[k].f[0]; + } + } + } + + v.dn = rh - v.sn; + v.cas = res->y0 % 2; + + aj = (float*) tilec->data; + for(j = rw; j > 3; j -= 4) { + int k; + v4dwt_interleave_v(&v, aj, w); + v4dwt_decode(&v); + for(k = 0; k < rh; ++k) { + memcpy(&aj[k*w], &v.wavelet[k], 4 * sizeof(float)); + } + aj += 4; + } + if (rw & 0x03) { + int k; + j = rw & 0x03; + v4dwt_interleave_v(&v, aj, w); + v4dwt_decode(&v); + for(k = 0; k < rh; ++k) { + memcpy(&aj[k*w], &v.wavelet[k], j * sizeof(float)); + } + } + } + + opj_aligned_free(h.wavelet); } |
