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Diffstat (limited to 'third_party/libopenjpeg20/dwt.c')
| -rw-r--r-- | third_party/libopenjpeg20/dwt.c | 930 |
1 files changed, 0 insertions, 930 deletions
diff --git a/third_party/libopenjpeg20/dwt.c b/third_party/libopenjpeg20/dwt.c deleted file mode 100644 index bea4574257..0000000000 --- a/third_party/libopenjpeg20/dwt.c +++ /dev/null @@ -1,930 +0,0 @@ -/* - * 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. - * - * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium - * 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) 2003-2014, Antonin Descampe - * Copyright (c) 2005, Herve Drolon, FreeImage Team - * Copyright (c) 2007, Jonathan Ballard <dzonatas@dzonux.net> - * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifdef __SSE__ -#include <xmmintrin.h> -#endif - -#include "opj_includes.h" - -/** @defgroup DWT DWT - Implementation of a discrete wavelet transform */ -/*@{*/ - -#define OPJ_WS(i) v->mem[(i)*2] -#define OPJ_WD(i) v->mem[(1+(i)*2)] - -/** @name Local data structures */ -/*@{*/ - -typedef struct dwt_local { - OPJ_INT32* mem; - OPJ_INT32 dn; - OPJ_INT32 sn; - OPJ_INT32 cas; -} opj_dwt_t; - -typedef union { - OPJ_FLOAT32 f[4]; -} opj_v4_t; - -typedef struct v4dwt_local { - opj_v4_t* wavelet ; - OPJ_INT32 dn ; - OPJ_INT32 sn ; - OPJ_INT32 cas ; -} opj_v4dwt_t ; - -static const OPJ_FLOAT32 opj_dwt_alpha = 1.586134342f; /* 12994 */ -static const OPJ_FLOAT32 opj_dwt_beta = 0.052980118f; /* 434 */ -static const OPJ_FLOAT32 opj_dwt_gamma = -0.882911075f; /* -7233 */ -static const OPJ_FLOAT32 opj_dwt_delta = -0.443506852f; /* -3633 */ - -static const OPJ_FLOAT32 opj_K = 1.230174105f; /* 10078 */ -static const OPJ_FLOAT32 opj_c13318 = 1.625732422f; - -/*@}*/ - -/** -Virtual function type for wavelet transform in 1-D -*/ -typedef void (*DWT1DFN)(opj_dwt_t* v); - -/** @name Local static functions */ -/*@{*/ - -/** -Forward lazy transform (horizontal) -*/ -static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas); -/** -Forward lazy transform (vertical) -*/ -static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas); -/** -Inverse lazy transform (horizontal) -*/ -static void opj_dwt_interleave_h(opj_dwt_t* h, OPJ_INT32 *a); -/** -Inverse lazy transform (vertical) -*/ -static void opj_dwt_interleave_v(opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x); -/** -Forward 5-3 wavelet transform in 1-D -*/ -static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas); -/** -Inverse 5-3 wavelet transform in 1-D -*/ -static void opj_dwt_decode_1(opj_dwt_t *v); -static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas); -/** -Forward 9-7 wavelet transform in 1-D -*/ -static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas); -/** -Explicit calculation of the Quantization Stepsizes -*/ -static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps, opj_stepsize_t *bandno_stepsize); -/** -Inverse wavelet transform in 2-D. -*/ -static OPJ_BOOL opj_dwt_decode_tile(opj_tcd_tilecomp_t* tilec, OPJ_UINT32 i, DWT1DFN fn); - -static OPJ_BOOL opj_dwt_encode_procedure( opj_tcd_tilecomp_t * tilec, - void (*p_function)(OPJ_INT32 *, OPJ_INT32,OPJ_INT32,OPJ_INT32) ); - -static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* restrict r, OPJ_UINT32 i); - -/* <summary> */ -/* Inverse 9-7 wavelet transform in 1-D. */ -/* </summary> */ -static void opj_v4dwt_decode(opj_v4dwt_t* restrict dwt); - -static void opj_v4dwt_interleave_h(opj_v4dwt_t* restrict w, OPJ_FLOAT32* restrict a, OPJ_INT32 x, OPJ_INT32 size); - -static void opj_v4dwt_interleave_v(opj_v4dwt_t* restrict v , OPJ_FLOAT32* restrict a , OPJ_INT32 x, OPJ_INT32 nb_elts_read); - -#ifdef __SSE__ -static void opj_v4dwt_decode_step1_sse(opj_v4_t* w, OPJ_INT32 count, const __m128 c); - -static void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, __m128 c); - -#else -static void opj_v4dwt_decode_step1(opj_v4_t* w, OPJ_INT32 count, const OPJ_FLOAT32 c); - -static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c); - -#endif - -/*@}*/ - -/*@}*/ - -#define OPJ_S(i) a[(i)*2] -#define OPJ_D(i) a[(1+(i)*2)] -#define OPJ_S_(i) ((i)<0?OPJ_S(0):((i)>=sn?OPJ_S(sn-1):OPJ_S(i))) -#define OPJ_D_(i) ((i)<0?OPJ_D(0):((i)>=dn?OPJ_D(dn-1):OPJ_D(i))) -/* new */ -#define OPJ_SS_(i) ((i)<0?OPJ_S(0):((i)>=dn?OPJ_S(dn-1):OPJ_S(i))) -#define OPJ_DD_(i) ((i)<0?OPJ_D(0):((i)>=sn?OPJ_D(sn-1):OPJ_D(i))) - -/* <summary> */ -/* This table contains the norms of the 5-3 wavelets for different bands. */ -/* </summary> */ -static const OPJ_FLOAT64 opj_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> */ -static const OPJ_FLOAT64 opj_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 opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) { - OPJ_INT32 i; - OPJ_INT32 * l_dest = b; - OPJ_INT32 * l_src = a+cas; - - for (i=0; i<sn; ++i) { - *l_dest++ = *l_src; - l_src += 2; - } - - l_dest = b + sn; - l_src = a + 1 - cas; - - for (i=0; i<dn; ++i) { - *l_dest++=*l_src; - l_src += 2; - } -} - -/* <summary> */ -/* Forward lazy transform (vertical). */ -/* </summary> */ -void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas) { - OPJ_INT32 i = sn; - OPJ_INT32 * l_dest = b; - OPJ_INT32 * l_src = a+cas; - - while (i--) { - *l_dest = *l_src; - l_dest += x; - l_src += 2; - } /* b[i*x]=a[2*i+cas]; */ - - l_dest = b + sn * x; - l_src = a + 1 - cas; - - i = dn; - while (i--) { - *l_dest = *l_src; - l_dest += x; - l_src += 2; - } /*b[(sn+i)*x]=a[(2*i+1-cas)];*/ -} - -/* <summary> */ -/* Inverse lazy transform (horizontal). */ -/* </summary> */ -void opj_dwt_interleave_h(opj_dwt_t* h, OPJ_INT32 *a) { - OPJ_INT32 *ai = a; - OPJ_INT32 *bi = h->mem + h->cas; - OPJ_INT32 i = h->sn; - while( i-- ) { - *bi = *(ai++); - bi += 2; - } - ai = a + h->sn; - bi = h->mem + 1 - h->cas; - i = h->dn ; - while( i-- ) { - *bi = *(ai++); - bi += 2; - } -} - -/* <summary> */ -/* Inverse lazy transform (vertical). */ -/* </summary> */ -void opj_dwt_interleave_v(opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x) { - OPJ_INT32 *ai = a; - OPJ_INT32 *bi = v->mem + v->cas; - OPJ_INT32 i = v->sn; - while( i-- ) { - *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; - } -} - - -/* <summary> */ -/* Forward 5-3 wavelet transform in 1-D. */ -/* </summary> */ -void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) { - OPJ_INT32 i; - - if (!cas) { - if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */ - for (i = 0; i < dn; i++) OPJ_D(i) -= (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1; - for (i = 0; i < sn; i++) OPJ_S(i) += (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2; - } - } else { - if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */ - OPJ_S(0) *= 2; - else { - for (i = 0; i < dn; i++) OPJ_S(i) -= (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1; - for (i = 0; i < sn; i++) OPJ_D(i) += (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2; - } - } -} - -/* <summary> */ -/* Inverse 5-3 wavelet transform in 1-D. */ -/* </summary> */ -void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) { - OPJ_INT32 i; - - if (!cas) { - if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */ - for (i = 0; i < sn; i++) OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2; - for (i = 0; i < dn; i++) OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1; - } - } else { - if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */ - OPJ_S(0) /= 2; - else { - for (i = 0; i < sn; i++) OPJ_D(i) -= (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2; - for (i = 0; i < dn; i++) OPJ_S(i) += (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1; - } - } -} - -/* <summary> */ -/* Inverse 5-3 wavelet transform in 1-D. */ -/* </summary> */ -void opj_dwt_decode_1(opj_dwt_t *v) { - opj_dwt_decode_1_(v->mem, v->dn, v->sn, v->cas); -} - -/* <summary> */ -/* Forward 9-7 wavelet transform in 1-D. */ -/* </summary> */ -void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) { - OPJ_INT32 i; - if (!cas) { - if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */ - for (i = 0; i < dn; i++) - OPJ_D(i) -= opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 12993); - for (i = 0; i < sn; i++) - OPJ_S(i) -= opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 434); - for (i = 0; i < dn; i++) - OPJ_D(i) += opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 7233); - for (i = 0; i < sn; i++) - OPJ_S(i) += opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 3633); - for (i = 0; i < dn; i++) - OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 5038); /*5038 */ - for (i = 0; i < sn; i++) - OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 6659); /*6660 */ - } - } else { - if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */ - for (i = 0; i < dn; i++) - OPJ_S(i) -= opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 12993); - for (i = 0; i < sn; i++) - OPJ_D(i) -= opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 434); - for (i = 0; i < dn; i++) - OPJ_S(i) += opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 7233); - for (i = 0; i < sn; i++) - OPJ_D(i) += opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 3633); - for (i = 0; i < dn; i++) - OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 5038); /*5038 */ - for (i = 0; i < sn; i++) - OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 6659); /*6660 */ - } - } -} - -void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps, opj_stepsize_t *bandno_stepsize) { - OPJ_INT32 p, n; - p = opj_int_floorlog2(stepsize) - 13; - n = 11 - opj_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 transform in 2-D. */ -/* </summary> */ -INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,void (*p_function)(OPJ_INT32 *, OPJ_INT32,OPJ_INT32,OPJ_INT32) ) -{ - OPJ_INT32 i, j, k; - OPJ_INT32 *a = 00; - OPJ_INT32 *aj = 00; - OPJ_INT32 *bj = 00; - OPJ_INT32 w, l; - - OPJ_INT32 rw; /* width of the resolution level computed */ - OPJ_INT32 rh; /* height of the resolution level computed */ - OPJ_UINT32 l_data_size; - - opj_tcd_resolution_t * l_cur_res = 0; - opj_tcd_resolution_t * l_last_res = 0; - - w = tilec->x1-tilec->x0; - l = (OPJ_INT32)tilec->numresolutions-1; - a = tilec->data; - - l_cur_res = tilec->resolutions + l; - l_last_res = l_cur_res - 1; - - l_data_size = opj_dwt_max_resolution( tilec->resolutions,tilec->numresolutions) * (OPJ_UINT32)sizeof(OPJ_INT32); - bj = (OPJ_INT32*)opj_malloc((size_t)l_data_size); - if (! bj) { - return OPJ_FALSE; - } - i = l; - - while (i--) { - OPJ_INT32 rw1; /* width of the resolution level once lower than computed one */ - OPJ_INT32 rh1; /* height of the resolution level once lower than computed one */ - OPJ_INT32 cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */ - OPJ_INT32 cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */ - OPJ_INT32 dn, sn; - - rw = l_cur_res->x1 - l_cur_res->x0; - rh = l_cur_res->y1 - l_cur_res->y0; - rw1 = l_last_res->x1 - l_last_res->x0; - rh1 = l_last_res->y1 - l_last_res->y0; - - cas_row = l_cur_res->x0 & 1; - cas_col = l_cur_res->y0 & 1; - - sn = rh1; - dn = rh - rh1; - for (j = 0; j < rw; ++j) { - aj = a + j; - for (k = 0; k < rh; ++k) { - bj[k] = aj[k*w]; - } - - (*p_function) (bj, dn, sn, cas_col); - - opj_dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col); - } - - sn = rw1; - dn = rw - rw1; - - for (j = 0; j < rh; j++) { - aj = a + j * w; - for (k = 0; k < rw; k++) bj[k] = aj[k]; - (*p_function) (bj, dn, sn, cas_row); - opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row); - } - - l_cur_res = l_last_res; - - --l_last_res; - } - - opj_free(bj); - return OPJ_TRUE; -} - -/* Forward 5-3 wavelet transform in 2-D. */ -/* </summary> */ -OPJ_BOOL opj_dwt_encode(opj_tcd_tilecomp_t * tilec) -{ - return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1); -} - -/* <summary> */ -/* Inverse 5-3 wavelet transform in 2-D. */ -/* </summary> */ -OPJ_BOOL opj_dwt_decode(opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres) { - return opj_dwt_decode_tile(tilec, numres, &opj_dwt_decode_1); -} - - -/* <summary> */ -/* Get gain of 5-3 wavelet transform. */ -/* </summary> */ -OPJ_UINT32 opj_dwt_getgain(OPJ_UINT32 orient) { - if (orient == 0) - return 0; - if (orient == 1 || orient == 2) - return 1; - return 2; -} - -/* <summary> */ -/* Get norm of 5-3 wavelet. */ -/* </summary> */ -OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient) { - return opj_dwt_norms[orient][level]; -} - -/* <summary> */ -/* Forward 9-7 wavelet transform in 2-D. */ -/* </summary> */ -OPJ_BOOL opj_dwt_encode_real(opj_tcd_tilecomp_t * tilec) -{ - return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1_real); -} - -/* <summary> */ -/* Get gain of 9-7 wavelet transform. */ -/* </summary> */ -OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient) { - (void)orient; - return 0; -} - -/* <summary> */ -/* Get norm of 9-7 wavelet. */ -/* </summary> */ -OPJ_FLOAT64 opj_dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient) { - return opj_dwt_norms_real[orient][level]; -} - -void opj_dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, OPJ_UINT32 prec) { - OPJ_UINT32 numbands, bandno; - numbands = 3 * tccp->numresolutions - 2; - for (bandno = 0; bandno < numbands; bandno++) { - OPJ_FLOAT64 stepsize; - OPJ_UINT32 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 { - OPJ_FLOAT64 norm = opj_dwt_norms_real[orient][level]; - stepsize = (1 << (gain)) / norm; - } - opj_dwt_encode_stepsize((OPJ_INT32) floor(stepsize * 8192.0), (OPJ_INT32)(prec + gain), &tccp->stepsizes[bandno]); - } -} - -/* <summary> */ -/* Determine maximum computed resolution level for inverse wavelet transform */ -/* </summary> */ -OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* restrict r, OPJ_UINT32 i) { - OPJ_UINT32 mr = 0; - OPJ_UINT32 w; - while( --i ) { - ++r; - if( mr < ( w = (OPJ_UINT32)(r->x1 - r->x0) ) ) - mr = w ; - if( mr < ( w = (OPJ_UINT32)(r->y1 - r->y0) ) ) - mr = w ; - } - return mr ; -} - -/* <summary> */ -/* Inverse wavelet transform in 2-D. */ -/* </summary> */ -OPJ_BOOL opj_dwt_decode_tile(opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres, DWT1DFN dwt_1D) { - opj_dwt_t h; - opj_dwt_t v; - - opj_tcd_resolution_t* tr = tilec->resolutions; - - OPJ_UINT32 rw = (OPJ_UINT32)(tr->x1 - tr->x0); /* width of the resolution level computed */ - OPJ_UINT32 rh = (OPJ_UINT32)(tr->y1 - tr->y0); /* height of the resolution level computed */ - - OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0); - - h.mem = (OPJ_INT32*) - opj_aligned_malloc(opj_dwt_max_resolution(tr, numres) * sizeof(OPJ_INT32)); - if (! h.mem){ - /* FIXME event manager error callback */ - return OPJ_FALSE; - } - - v.mem = h.mem; - - while( --numres) { - OPJ_INT32 * restrict tiledp = tilec->data; - OPJ_UINT32 j; - - ++tr; - h.sn = (OPJ_INT32)rw; - v.sn = (OPJ_INT32)rh; - - rw = (OPJ_UINT32)(tr->x1 - tr->x0); - rh = (OPJ_UINT32)(tr->y1 - tr->y0); - - h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn); - h.cas = tr->x0 % 2; - - for(j = 0; j < rh; ++j) { - opj_dwt_interleave_h(&h, &tiledp[j*w]); - (dwt_1D)(&h); - memcpy(&tiledp[j*w], h.mem, rw * sizeof(OPJ_INT32)); - } - - v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn); - v.cas = tr->y0 % 2; - - for(j = 0; j < rw; ++j){ - OPJ_UINT32 k; - opj_dwt_interleave_v(&v, &tiledp[j], (OPJ_INT32)w); - (dwt_1D)(&v); - for(k = 0; k < rh; ++k) { - tiledp[k * w + j] = v.mem[k]; - } - } - } - opj_aligned_free(h.mem); - return OPJ_TRUE; -} - -void opj_v4dwt_interleave_h(opj_v4dwt_t* restrict w, OPJ_FLOAT32* restrict a, OPJ_INT32 x, OPJ_INT32 size){ - OPJ_FLOAT32* restrict bi = (OPJ_FLOAT32*) (w->wavelet + w->cas); - OPJ_INT32 count = w->sn; - OPJ_INT32 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){ - OPJ_INT32 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){ - OPJ_INT32 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]; /* This one*/ - } - } - - bi = (OPJ_FLOAT32*) (w->wavelet + 1 - w->cas); - a += w->sn; - size -= w->sn; - count = w->dn; - } -} - -void opj_v4dwt_interleave_v(opj_v4dwt_t* restrict v , OPJ_FLOAT32* restrict a , OPJ_INT32 x, OPJ_INT32 nb_elts_read){ - opj_v4_t* restrict bi = v->wavelet + v->cas; - OPJ_INT32 i; - - for(i = 0; i < v->sn; ++i){ - memcpy(&bi[i*2], &a[i*x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32)); - } - - a += v->sn * x; - bi = v->wavelet + 1 - v->cas; - - for(i = 0; i < v->dn; ++i){ - memcpy(&bi[i*2], &a[i*x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32)); - } -} - -#ifdef __SSE__ - -void opj_v4dwt_decode_step1_sse(opj_v4_t* w, OPJ_INT32 count, const __m128 c){ - __m128* restrict vw = (__m128*) w; - OPJ_INT32 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; - } -} - -void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, __m128 c){ - __m128* restrict vl = (__m128*) l; - __m128* restrict vw = (__m128*) w; - OPJ_INT32 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 - -void opj_v4dwt_decode_step1(opj_v4_t* w, OPJ_INT32 count, const OPJ_FLOAT32 c) -{ - OPJ_FLOAT32* restrict fw = (OPJ_FLOAT32*) w; - OPJ_INT32 i; - for(i = 0; i < count; ++i){ - OPJ_FLOAT32 tmp1 = fw[i*8 ]; - OPJ_FLOAT32 tmp2 = fw[i*8 + 1]; - OPJ_FLOAT32 tmp3 = fw[i*8 + 2]; - OPJ_FLOAT32 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; - } -} - -void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c) -{ - OPJ_FLOAT32* restrict fl = (OPJ_FLOAT32*) l; - OPJ_FLOAT32* restrict fw = (OPJ_FLOAT32*) w; - OPJ_INT32 i; - for(i = 0; i < m; ++i){ - OPJ_FLOAT32 tmp1_1 = fl[0]; - OPJ_FLOAT32 tmp1_2 = fl[1]; - OPJ_FLOAT32 tmp1_3 = fl[2]; - OPJ_FLOAT32 tmp1_4 = fl[3]; - OPJ_FLOAT32 tmp2_1 = fw[-4]; - OPJ_FLOAT32 tmp2_2 = fw[-3]; - OPJ_FLOAT32 tmp2_3 = fw[-2]; - OPJ_FLOAT32 tmp2_4 = fw[-1]; - OPJ_FLOAT32 tmp3_1 = fw[0]; - OPJ_FLOAT32 tmp3_2 = fw[1]; - OPJ_FLOAT32 tmp3_3 = fw[2]; - OPJ_FLOAT32 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){ - OPJ_FLOAT32 c1; - OPJ_FLOAT32 c2; - OPJ_FLOAT32 c3; - OPJ_FLOAT32 c4; - c += c; - c1 = fl[0] * c; - c2 = fl[1] * c; - c3 = fl[2] * c; - c4 = fl[3] * c; - for(; m < k; ++m){ - OPJ_FLOAT32 tmp1 = fw[-4]; - OPJ_FLOAT32 tmp2 = fw[-3]; - OPJ_FLOAT32 tmp3 = fw[-2]; - OPJ_FLOAT32 tmp4 = fw[-1]; - fw[-4] = tmp1 + c1; - fw[-3] = tmp2 + c2; - fw[-2] = tmp3 + c3; - fw[-1] = tmp4 + c4; - fw += 8; - } - } -} - -#endif - -/* <summary> */ -/* Inverse 9-7 wavelet transform in 1-D. */ -/* </summary> */ -void opj_v4dwt_decode(opj_v4dwt_t* restrict dwt) -{ - OPJ_INT32 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__ - opj_v4dwt_decode_step1_sse(dwt->wavelet+a, dwt->sn, _mm_set1_ps(opj_K)); - opj_v4dwt_decode_step1_sse(dwt->wavelet+b, dwt->dn, _mm_set1_ps(opj_c13318)); - opj_v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(opj_dwt_delta)); - opj_v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(opj_dwt_gamma)); - opj_v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(opj_dwt_beta)); - opj_v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(opj_dwt_alpha)); -#else - opj_v4dwt_decode_step1(dwt->wavelet+a, dwt->sn, opj_K); - opj_v4dwt_decode_step1(dwt->wavelet+b, dwt->dn, opj_c13318); - opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), opj_dwt_delta); - opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), opj_dwt_gamma); - opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), opj_dwt_beta); - opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), opj_dwt_alpha); -#endif -} - - -/* <summary> */ -/* Inverse 9-7 wavelet transform in 2-D. */ -/* </summary> */ -OPJ_BOOL opj_dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, OPJ_UINT32 numres) -{ - opj_v4dwt_t h; - opj_v4dwt_t v; - - opj_tcd_resolution_t* res = tilec->resolutions; - - OPJ_UINT32 rw = (OPJ_UINT32)(res->x1 - res->x0); /* width of the resolution level computed */ - OPJ_UINT32 rh = (OPJ_UINT32)(res->y1 - res->y0); /* height of the resolution level computed */ - - OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0); - - h.wavelet = (opj_v4_t*) opj_aligned_malloc((opj_dwt_max_resolution(res, numres)+5) * sizeof(opj_v4_t)); - if (!h.wavelet) { - /* FIXME event manager error callback */ - return OPJ_FALSE; - } - v.wavelet = h.wavelet; - - while( --numres) { - OPJ_FLOAT32 * restrict aj = (OPJ_FLOAT32*) tilec->data; - OPJ_UINT32 bufsize = (OPJ_UINT32)((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0)); - OPJ_INT32 j; - - h.sn = (OPJ_INT32)rw; - v.sn = (OPJ_INT32)rh; - - ++res; - - rw = (OPJ_UINT32)(res->x1 - res->x0); /* width of the resolution level computed */ - rh = (OPJ_UINT32)(res->y1 - res->y0); /* height of the resolution level computed */ - - h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn); - h.cas = res->x0 % 2; - - for(j = (OPJ_INT32)rh; j > 3; j -= 4) { - OPJ_INT32 k; - opj_v4dwt_interleave_h(&h, aj, (OPJ_INT32)w, (OPJ_INT32)bufsize); - opj_v4dwt_decode(&h); - - for(k = (OPJ_INT32)rw; --k >= 0;){ - aj[k ] = h.wavelet[k].f[0]; - aj[k+(OPJ_INT32)w ] = h.wavelet[k].f[1]; - aj[k+(OPJ_INT32)w*2] = h.wavelet[k].f[2]; - aj[k+(OPJ_INT32)w*3] = h.wavelet[k].f[3]; - } - - aj += w*4; - bufsize -= w*4; - } - - if (rh & 0x03) { - OPJ_INT32 k; - j = rh & 0x03; - opj_v4dwt_interleave_h(&h, aj, (OPJ_INT32)w, (OPJ_INT32)bufsize); - opj_v4dwt_decode(&h); - for(k = (OPJ_INT32)rw; --k >= 0;){ - switch(j) { - case 3: aj[k+(OPJ_INT32)w*2] = h.wavelet[k].f[2]; - case 2: aj[k+(OPJ_INT32)w ] = h.wavelet[k].f[1]; - case 1: aj[k ] = h.wavelet[k].f[0]; - } - } - } - - v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn); - v.cas = res->y0 % 2; - - aj = (OPJ_FLOAT32*) tilec->data; - for(j = (OPJ_INT32)rw; j > 3; j -= 4){ - OPJ_UINT32 k; - - opj_v4dwt_interleave_v(&v, aj, (OPJ_INT32)w, 4); - opj_v4dwt_decode(&v); - - for(k = 0; k < rh; ++k){ - memcpy(&aj[k*w], &v.wavelet[k], 4 * sizeof(OPJ_FLOAT32)); - } - aj += 4; - } - - if (rw & 0x03){ - OPJ_UINT32 k; - - j = rw & 0x03; - - opj_v4dwt_interleave_v(&v, aj, (OPJ_INT32)w, j); - opj_v4dwt_decode(&v); - - for(k = 0; k < rh; ++k){ - memcpy(&aj[k*w], &v.wavelet[k], (size_t)j * sizeof(OPJ_FLOAT32)); - } - } - } - - opj_aligned_free(h.wavelet); - return OPJ_TRUE; -} |