Python2/PyMuPDF: mupdf-source/thirdparty/openjpeg/src/lib/openjp2/dwt.c comparison

comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/dwt.c @ 2:b50eed0cc0ef upstream

ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.

author	Franz Glasner <fzglas.hg@dom66.de>
date	Mon, 15 Sep 2025 11:43:07 +0200
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-:1d09e1dec1d9
+:b50eed0cc0ef
+/*
+* 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>
+* Copyright (c) 2017, IntoPIX SA <support@intopix.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.
+*/
+#include <assert.h>
+#define OPJ_SKIP_POISON
+#include "opj_includes.h"
+#ifdef __SSE__
+#include <xmmintrin.h>
+#endif
+#ifdef __SSE2__
+#include <emmintrin.h>
+#endif
+#ifdef __SSSE3__
+#include <tmmintrin.h>
+#endif
+#if (defined(__AVX2__) || defined(__AVX512F__))
+#include <immintrin.h>
+#endif
+#if defined(__GNUC__)
+#pragma GCC poison malloc calloc realloc free
+#endif
+/** @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)]
+#if defined(__AVX512F__)
+/** Number of int32 values in a AVX512 register */
+#define VREG_INT_COUNT       16
+#elif defined(__AVX2__)
+/** Number of int32 values in a AVX2 register */
+#define VREG_INT_COUNT       8
+#else
+/** Number of int32 values in a SSE2 register */
+#define VREG_INT_COUNT       4
+#endif
+/** Number of columns that we can process in parallel in the vertical pass */
+#define PARALLEL_COLS_53     (2*VREG_INT_COUNT)
+/** @name Local data structures */
+/*@{*/
+typedef struct dwt_local {
+OPJ_INT32* mem;
+OPJ_INT32 dn;   /* number of elements in high pass band */
+OPJ_INT32 sn;   /* number of elements in low pass band */
+OPJ_INT32 cas;  /* 0 = start on even coord, 1 = start on odd coord */
+} opj_dwt_t;
+#define NB_ELTS_V8  8
+typedef union {
+OPJ_FLOAT32 f[NB_ELTS_V8];
+} opj_v8_t;
+typedef struct v8dwt_local {
+opj_v8_t*   wavelet ;
+OPJ_INT32       dn ;  /* number of elements in high pass band */
+OPJ_INT32       sn ;  /* number of elements in low pass band */
+OPJ_INT32       cas ; /* 0 = start on even coord, 1 = start on odd coord */
+OPJ_UINT32      win_l_x0; /* start coord in low pass band */
+OPJ_UINT32      win_l_x1; /* end coord in low pass band */
+OPJ_UINT32      win_h_x0; /* start coord in high pass band */
+OPJ_UINT32      win_h_x1; /* end coord in high pass band */
+} opj_v8dwt_t ;
+/* From table F.4 from the standard */
+static const OPJ_FLOAT32 opj_dwt_alpha =  -1.586134342f;
+static const OPJ_FLOAT32 opj_dwt_beta  =  -0.052980118f;
+static const OPJ_FLOAT32 opj_dwt_gamma = 0.882911075f;
+static const OPJ_FLOAT32 opj_dwt_delta = 0.443506852f;
+static const OPJ_FLOAT32 opj_K      = 1.230174105f;
+static const OPJ_FLOAT32 opj_invK   = (OPJ_FLOAT32)(1.0 / 1.230174105);
+/*@}*/
+/** @name Local static functions */
+/*@{*/
+/**
+Forward lazy transform (horizontal)
+*/
+static void opj_dwt_deinterleave_h(const OPJ_INT32 * OPJ_RESTRICT a,
+OPJ_INT32 * OPJ_RESTRICT b,
+OPJ_INT32 dn,
+OPJ_INT32 sn, OPJ_INT32 cas);
+/**
+Forward 9-7 wavelet transform in 1-D
+*/
+static void opj_dwt_encode_1_real(void *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_thread_pool_t* tp,
+opj_tcd_tilecomp_t* tilec, OPJ_UINT32 i);
+static OPJ_BOOL opj_dwt_decode_partial_tile(
+opj_tcd_tilecomp_t* tilec,
+OPJ_UINT32 numres);
+/* Forward transform, for the vertical pass, processing cols columns */
+/* where cols <= NB_ELTS_V8 */
+/* Where void* is a OPJ_INT32* for 5x3 and OPJ_FLOAT32* for 9x7 */
+typedef void (*opj_encode_and_deinterleave_v_fnptr_type)(
+void *array,
+void *tmp,
+OPJ_UINT32 height,
+OPJ_BOOL even,
+OPJ_UINT32 stride_width,
+OPJ_UINT32 cols);
+/* Where void* is a OPJ_INT32* for 5x3 and OPJ_FLOAT32* for 9x7 */
+typedef void (*opj_encode_and_deinterleave_h_one_row_fnptr_type)(
+void *row,
+void *tmp,
+OPJ_UINT32 width,
+OPJ_BOOL even);
+static OPJ_BOOL opj_dwt_encode_procedure(opj_thread_pool_t* tp,
+opj_tcd_tilecomp_t * tilec,
+opj_encode_and_deinterleave_v_fnptr_type p_encode_and_deinterleave_v,
+opj_encode_and_deinterleave_h_one_row_fnptr_type
+p_encode_and_deinterleave_h_one_row);
+static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* OPJ_RESTRICT r,
+OPJ_UINT32 i);
+/* <summary>                             */
+/* Inverse 9-7 wavelet transform in 1-D. */
+/* </summary>                            */
+/*@}*/
+/*@}*/
+#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>                                                             */
+/* FIXME! the array should really be extended up to 33 resolution levels */
+/* See https://github.com/uclouvain/openjpeg/issues/493 */
+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>                                                             */
+/* FIXME! the array should really be extended up to 33 resolution levels */
+/* See https://github.com/uclouvain/openjpeg/issues/493 */
+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>                            */
+static void opj_dwt_deinterleave_h(const OPJ_INT32 * OPJ_RESTRICT a,
+OPJ_INT32 * OPJ_RESTRICT b,
+OPJ_INT32 dn,
+OPJ_INT32 sn, OPJ_INT32 cas)
+{
+OPJ_INT32 i;
+OPJ_INT32 * OPJ_RESTRICT l_dest = b;
+const OPJ_INT32 * OPJ_RESTRICT 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;
+}
+}
+#ifdef STANDARD_SLOW_VERSION
+/* <summary>                             */
+/* Inverse lazy transform (horizontal).  */
+/* </summary>                            */
+static void opj_dwt_interleave_h(const opj_dwt_t* h, OPJ_INT32 *a)
+{
+const 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>                            */
+static void opj_dwt_interleave_v(const opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x)
+{
+const 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 * (OPJ_SIZE_T)x);
+bi = v->mem + 1 - v->cas;
+i = v->dn ;
+while (i--) {
+*bi = *ai;
+bi += 2;
+ai += x;
+}
+}
+#endif /* STANDARD_SLOW_VERSION */
+#ifdef STANDARD_SLOW_VERSION
+/* <summary>                            */
+/* Inverse 5-3 wavelet transform in 1-D. */
+/* </summary>                           */
+static 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;
+}
+}
+}
+}
+static void opj_dwt_decode_1(const opj_dwt_t *v)
+{
+opj_dwt_decode_1_(v->mem, v->dn, v->sn, v->cas);
+}
+#endif /* STANDARD_SLOW_VERSION */
+#if defined(__AVX512F__)
+static int32_t loop_short_sse(int32_t len, const int32_t** lf_ptr,
+const int32_t** hf_ptr, int32_t** out_ptr,
+int32_t* prev_even)
+{
+int32_t next_even;
+__m128i odd, even_m1, unpack1, unpack2;
+const int32_t batch = (len - 2) / 8;
+const __m128i two = _mm_set1_epi32(2);
+for (int32_t i = 0; i < batch; i++) {
+const __m128i lf_ = _mm_loadu_si128((__m128i*)(*lf_ptr + 1));
+const __m128i hf1_ = _mm_loadu_si128((__m128i*)(*hf_ptr));
+const __m128i hf2_ = _mm_loadu_si128((__m128i*)(*hf_ptr + 1));
+__m128i even = _mm_add_epi32(hf1_, hf2_);
+even = _mm_add_epi32(even, two);
+even = _mm_srai_epi32(even, 2);
+even = _mm_sub_epi32(lf_, even);
+next_even = _mm_extract_epi32(even, 3);
+even_m1 = _mm_bslli_si128(even, 4);
+even_m1 = _mm_insert_epi32(even_m1, *prev_even, 0);
+//out[0] + out[2]
+odd = _mm_add_epi32(even_m1, even);
+odd = _mm_srai_epi32(odd, 1);
+odd = _mm_add_epi32(odd, hf1_);
+unpack1 = _mm_unpacklo_epi32(even_m1, odd);
+unpack2 = _mm_unpackhi_epi32(even_m1, odd);
+_mm_storeu_si128((__m128i*)(*out_ptr + 0), unpack1);
+_mm_storeu_si128((__m128i*)(*out_ptr + 4), unpack2);
+*prev_even = next_even;
+*out_ptr += 8;
+*lf_ptr += 4;
+*hf_ptr += 4;
+}
+return batch;
+}
+#endif
+#if !defined(STANDARD_SLOW_VERSION)
+static void  opj_idwt53_h_cas0(OPJ_INT32* tmp,
+const OPJ_INT32 sn,
+const OPJ_INT32 len,
+OPJ_INT32* tiledp)
+{
+OPJ_INT32 i, j;
+const OPJ_INT32* in_even = &tiledp[0];
+const OPJ_INT32* in_odd = &tiledp[sn];
+#ifdef TWO_PASS_VERSION
+/* For documentation purpose: performs lifting in two iterations, */
+/* but without explicit interleaving */
+assert(len > 1);
+/* Even */
+tmp[0] = in_even[0] - ((in_odd[0] + 1) >> 1);
+for (i = 2, j = 0; i <= len - 2; i += 2, j++) {
+tmp[i] = in_even[j + 1] - ((in_odd[j] + in_odd[j + 1] + 2) >> 2);
+}
+if (len & 1) { /* if len is odd */
+tmp[len - 1] = in_even[(len - 1) / 2] - ((in_odd[(len - 2) / 2] + 1) >> 1);
+}
+/* Odd */
+for (i = 1, j = 0; i < len - 1; i += 2, j++) {
+tmp[i] = in_odd[j] + ((tmp[i - 1] + tmp[i + 1]) >> 1);
+}
+if (!(len & 1)) { /* if len is even */
+tmp[len - 1] = in_odd[(len - 1) / 2] + tmp[len - 2];
+}
+#else
+#if defined(__AVX512F__)
+OPJ_INT32* out_ptr = tmp;
+int32_t prev_even = in_even[0] - ((in_odd[0] + 1) >> 1);
+const __m512i permutevar_mask = _mm512_setr_epi32(
+0x10, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
+0x0c, 0x0d, 0x0e);
+const __m512i store1_perm = _mm512_setr_epi64(0x00, 0x01, 0x08, 0x09, 0x02,
+0x03, 0x0a, 0x0b);
+const __m512i store2_perm = _mm512_setr_epi64(0x04, 0x05, 0x0c, 0x0d, 0x06,
+0x07, 0x0e, 0x0f);
+const __m512i two = _mm512_set1_epi32(2);
+int32_t simd_batch_512 = (len - 2) / 32;
+int32_t leftover;
+for (i = 0; i < simd_batch_512; i++) {
+const __m512i lf_avx2 = _mm512_loadu_si512((__m512i*)(in_even + 1));
+const __m512i hf1_avx2 = _mm512_loadu_si512((__m512i*)(in_odd));
+const __m512i hf2_avx2 = _mm512_loadu_si512((__m512i*)(in_odd + 1));
+int32_t next_even;
+__m512i duplicate, even_m1, odd, unpack1, unpack2, store1, store2;
+__m512i even = _mm512_add_epi32(hf1_avx2, hf2_avx2);
+even = _mm512_add_epi32(even, two);
+even = _mm512_srai_epi32(even, 2);
+even = _mm512_sub_epi32(lf_avx2, even);
+next_even = _mm_extract_epi32(_mm512_extracti32x4_epi32(even, 3), 3);
+duplicate = _mm512_set1_epi32(prev_even);
+even_m1 = _mm512_permutex2var_epi32(even, permutevar_mask, duplicate);
+//out[0] + out[2]
+odd = _mm512_add_epi32(even_m1, even);
+odd = _mm512_srai_epi32(odd, 1);
+odd = _mm512_add_epi32(odd, hf1_avx2);
+unpack1 = _mm512_unpacklo_epi32(even_m1, odd);
+unpack2 = _mm512_unpackhi_epi32(even_m1, odd);
+store1 = _mm512_permutex2var_epi64(unpack1, store1_perm, unpack2);
+store2 = _mm512_permutex2var_epi64(unpack1, store2_perm, unpack2);
+_mm512_storeu_si512(out_ptr, store1);
+_mm512_storeu_si512(out_ptr + 16, store2);
+prev_even = next_even;
+out_ptr += 32;
+in_even += 16;
+in_odd += 16;
+}
+leftover = len - simd_batch_512 * 32;
+if (leftover > 8) {
+leftover -= 8 * loop_short_sse(leftover, &in_even, &in_odd, &out_ptr,
+&prev_even);
+}
+out_ptr[0] = prev_even;
+for (j = 1; j < (leftover - 2); j += 2) {
+out_ptr[2] = in_even[1] - ((in_odd[0] + (in_odd[1]) + 2) >> 2);
+out_ptr[1] = in_odd[0] + ((out_ptr[0] + out_ptr[2]) >> 1);
+in_even++;
+in_odd++;
+out_ptr += 2;
+}
+if (len & 1) {
+out_ptr[2] = in_even[1] - ((in_odd[0] + 1) >> 1);
+out_ptr[1] = in_odd[0] + ((out_ptr[0] + out_ptr[2]) >> 1);
+} else { //!(len & 1)
+out_ptr[1] = in_odd[0] + out_ptr[0];
+}
+#elif  defined(__AVX2__)
+OPJ_INT32* out_ptr = tmp;
+int32_t prev_even = in_even[0] - ((in_odd[0] + 1) >> 1);
+const __m256i reg_permutevar_mask_move_right = _mm256_setr_epi32(0x00, 0x00,
+0x01, 0x02, 0x03, 0x04, 0x05, 0x06);
+const __m256i two = _mm256_set1_epi32(2);
+int32_t simd_batch = (len - 2) / 16;
+int32_t next_even;
+__m256i even_m1, odd, unpack1_avx2, unpack2_avx2;
+for (i = 0; i < simd_batch; i++) {
+const __m256i lf_avx2 = _mm256_loadu_si256((__m256i*)(in_even + 1));
+const __m256i hf1_avx2 = _mm256_loadu_si256((__m256i*)(in_odd));
+const __m256i hf2_avx2 = _mm256_loadu_si256((__m256i*)(in_odd + 1));
+__m256i even = _mm256_add_epi32(hf1_avx2, hf2_avx2);
+even = _mm256_add_epi32(even, two);
+even = _mm256_srai_epi32(even, 2);
+even = _mm256_sub_epi32(lf_avx2, even);
+next_even = _mm_extract_epi32(_mm256_extracti128_si256(even, 1), 3);
+even_m1 = _mm256_permutevar8x32_epi32(even, reg_permutevar_mask_move_right);
+even_m1 = _mm256_blend_epi32(even_m1, _mm256_set1_epi32(prev_even), (1 << 0));
+//out[0] + out[2]
+odd = _mm256_add_epi32(even_m1, even);
+odd = _mm256_srai_epi32(odd, 1);
+odd = _mm256_add_epi32(odd, hf1_avx2);
+unpack1_avx2 = _mm256_unpacklo_epi32(even_m1, odd);
+unpack2_avx2 = _mm256_unpackhi_epi32(even_m1, odd);
+_mm_storeu_si128((__m128i*)(out_ptr + 0), _mm256_castsi256_si128(unpack1_avx2));
+_mm_storeu_si128((__m128i*)(out_ptr + 4), _mm256_castsi256_si128(unpack2_avx2));
+_mm_storeu_si128((__m128i*)(out_ptr + 8), _mm256_extracti128_si256(unpack1_avx2,
+0x1));
+_mm_storeu_si128((__m128i*)(out_ptr + 12),
+_mm256_extracti128_si256(unpack2_avx2, 0x1));
+prev_even = next_even;
+out_ptr += 16;
+in_even += 8;
+in_odd += 8;
+}
+out_ptr[0] = prev_even;
+for (j = simd_batch * 16 + 1; j < (len - 2); j += 2) {
+out_ptr[2] = in_even[1] - ((in_odd[0] + in_odd[1] + 2) >> 2);
+out_ptr[1] = in_odd[0] + ((out_ptr[0] + out_ptr[2]) >> 1);
+in_even++;
+in_odd++;
+out_ptr += 2;
+}
+if (len & 1) {
+out_ptr[2] = in_even[1] - ((in_odd[0] + 1) >> 1);
+out_ptr[1] = in_odd[0] + ((out_ptr[0] + out_ptr[2]) >> 1);
+} else { //!(len & 1)
+out_ptr[1] = in_odd[0] + out_ptr[0];
+}
+#else
+OPJ_INT32 d1c, d1n, s1n, s0c, s0n;
+assert(len > 1);
+/* Improved version of the TWO_PASS_VERSION: */
+/* Performs lifting in one single iteration. Saves memory */
+/* accesses and explicit interleaving. */
+s1n = in_even[0];
+d1n = in_odd[0];
+s0n = s1n - ((d1n + 1) >> 1);
+for (i = 0, j = 1; i < (len - 3); i += 2, j++) {
+d1c = d1n;
+s0c = s0n;
+s1n = in_even[j];
+d1n = in_odd[j];
+s0n = s1n - ((d1c + d1n + 2) >> 2);
+tmp[i  ] = s0c;
+tmp[i + 1] = opj_int_add_no_overflow(d1c, opj_int_add_no_overflow(s0c,
+s0n) >> 1);
+}
+tmp[i] = s0n;
+if (len & 1) {
+tmp[len - 1] = in_even[(len - 1) / 2] - ((d1n + 1) >> 1);
+tmp[len - 2] = d1n + ((s0n + tmp[len - 1]) >> 1);
+} else {
+tmp[len - 1] = d1n + s0n;
+}
+#endif /*(__AVX512F__ || __AVX2__)*/
+#endif /*TWO_PASS_VERSION*/
+memcpy(tiledp, tmp, (OPJ_UINT32)len * sizeof(OPJ_INT32));
+}
+static void  opj_idwt53_h_cas1(OPJ_INT32* tmp,
+const OPJ_INT32 sn,
+const OPJ_INT32 len,
+OPJ_INT32* tiledp)
+{
+OPJ_INT32 i, j;
+const OPJ_INT32* in_even = &tiledp[sn];
+const OPJ_INT32* in_odd = &tiledp[0];
+#ifdef TWO_PASS_VERSION
+/* For documentation purpose: performs lifting in two iterations, */
+/* but without explicit interleaving */
+assert(len > 2);
+/* Odd */
+for (i = 1, j = 0; i < len - 1; i += 2, j++) {
+tmp[i] = in_odd[j] - ((in_even[j] + in_even[j + 1] + 2) >> 2);
+}
+if (!(len & 1)) {
+tmp[len - 1] = in_odd[len / 2 - 1] - ((in_even[len / 2 - 1] + 1) >> 1);
+}
+/* Even */
+tmp[0] = in_even[0] + tmp[1];
+for (i = 2, j = 1; i < len - 1; i += 2, j++) {
+tmp[i] = in_even[j] + ((tmp[i + 1] + tmp[i - 1]) >> 1);
+}
+if (len & 1) {
+tmp[len - 1] = in_even[len / 2] + tmp[len - 2];
+}
+#else
+OPJ_INT32 s1, s2, dc, dn;
+assert(len > 2);
+/* Improved version of the TWO_PASS_VERSION: */
+/* Performs lifting in one single iteration. Saves memory */
+/* accesses and explicit interleaving. */
+s1 = in_even[1];
+dc = in_odd[0] - ((in_even[0] + s1 + 2) >> 2);
+tmp[0] = in_even[0] + dc;
+for (i = 1, j = 1; i < (len - 2 - !(len & 1)); i += 2, j++) {
+s2 = in_even[j + 1];
+dn = in_odd[j] - ((s1 + s2 + 2) >> 2);
+tmp[i  ] = dc;
+tmp[i + 1] = opj_int_add_no_overflow(s1, opj_int_add_no_overflow(dn, dc) >> 1);
+dc = dn;
+s1 = s2;
+}
+tmp[i] = dc;
+if (!(len & 1)) {
+dn = in_odd[len / 2 - 1] - ((s1 + 1) >> 1);
+tmp[len - 2] = s1 + ((dn + dc) >> 1);
+tmp[len - 1] = dn;
+} else {
+tmp[len - 1] = s1 + dc;
+}
+#endif
+memcpy(tiledp, tmp, (OPJ_UINT32)len * sizeof(OPJ_INT32));
+}
+#endif /* !defined(STANDARD_SLOW_VERSION) */
+/* <summary>                            */
+/* Inverse 5-3 wavelet transform in 1-D for one row. */
+/* </summary>                           */
+/* Performs interleave, inverse wavelet transform and copy back to buffer */
+static void opj_idwt53_h(const opj_dwt_t *dwt,
+OPJ_INT32* tiledp)
+{
+#ifdef STANDARD_SLOW_VERSION
+/* For documentation purpose */
+opj_dwt_interleave_h(dwt, tiledp);
+opj_dwt_decode_1(dwt);
+memcpy(tiledp, dwt->mem, (OPJ_UINT32)(dwt->sn + dwt->dn) * sizeof(OPJ_INT32));
+#else
+const OPJ_INT32 sn = dwt->sn;
+const OPJ_INT32 len = sn + dwt->dn;
+if (dwt->cas == 0) { /* Left-most sample is on even coordinate */
+if (len > 1) {
+opj_idwt53_h_cas0(dwt->mem, sn, len, tiledp);
+} else {
+/* Unmodified value */
+}
+} else { /* Left-most sample is on odd coordinate */
+if (len == 1) {
+tiledp[0] /= 2;
+} else if (len == 2) {
+OPJ_INT32* out = dwt->mem;
+const OPJ_INT32* in_even = &tiledp[sn];
+const OPJ_INT32* in_odd = &tiledp[0];
+out[1] = in_odd[0] - ((in_even[0] + 1) >> 1);
+out[0] = in_even[0] + out[1];
+memcpy(tiledp, dwt->mem, (OPJ_UINT32)len * sizeof(OPJ_INT32));
+} else if (len > 2) {
+opj_idwt53_h_cas1(dwt->mem, sn, len, tiledp);
+}
+}
+#endif
+}
+#if (defined(__SSE2__) || defined(__AVX2__) || defined(__AVX512F__)) && !defined(STANDARD_SLOW_VERSION)
+/* Conveniency macros to improve the readability of the formulas */
+#if defined(__AVX512F__)
+#define VREG        __m512i
+#define LOAD_CST(x) _mm512_set1_epi32(x)
+#define LOAD(x)     _mm512_loadu_si512((const VREG*)(x))
+#define LOADU(x)    _mm512_loadu_si512((const VREG*)(x))
+#define STORE(x,y)  _mm512_storeu_si512((VREG*)(x),(y))
+#define STOREU(x,y) _mm512_storeu_si512((VREG*)(x),(y))
+#define ADD(x,y)    _mm512_add_epi32((x),(y))
+#define SUB(x,y)    _mm512_sub_epi32((x),(y))
+#define SAR(x,y)    _mm512_srai_epi32((x),(y))
+#elif defined(__AVX2__)
+#define VREG        __m256i
+#define LOAD_CST(x) _mm256_set1_epi32(x)
+#define LOAD(x)     _mm256_load_si256((const VREG*)(x))
+#define LOADU(x)    _mm256_loadu_si256((const VREG*)(x))
+#define STORE(x,y)  _mm256_store_si256((VREG*)(x),(y))
+#define STOREU(x,y) _mm256_storeu_si256((VREG*)(x),(y))
+#define ADD(x,y)    _mm256_add_epi32((x),(y))
+#define SUB(x,y)    _mm256_sub_epi32((x),(y))
+#define SAR(x,y)    _mm256_srai_epi32((x),(y))
+#else
+#define VREG        __m128i
+#define LOAD_CST(x) _mm_set1_epi32(x)
+#define LOAD(x)     _mm_load_si128((const VREG*)(x))
+#define LOADU(x)    _mm_loadu_si128((const VREG*)(x))
+#define STORE(x,y)  _mm_store_si128((VREG*)(x),(y))
+#define STOREU(x,y) _mm_storeu_si128((VREG*)(x),(y))
+#define ADD(x,y)    _mm_add_epi32((x),(y))
+#define SUB(x,y)    _mm_sub_epi32((x),(y))
+#define SAR(x,y)    _mm_srai_epi32((x),(y))
+#endif
+#define ADD3(x,y,z) ADD(ADD(x,y),z)
+static
+void opj_idwt53_v_final_memcpy(OPJ_INT32* tiledp_col,
+const OPJ_INT32* tmp,
+OPJ_INT32 len,
+OPJ_SIZE_T stride)
+{
+OPJ_INT32 i;
+for (i = 0; i < len; ++i) {
+/* A memcpy(&tiledp_col[i * stride + 0],
+&tmp[PARALLEL_COLS_53 * i + 0],
+PARALLEL_COLS_53 * sizeof(OPJ_INT32))
+would do but would be a tiny bit slower.
+We can take here advantage of our knowledge of alignment */
+STOREU(&tiledp_col[(OPJ_SIZE_T)i * stride + 0],
+LOAD(&tmp[PARALLEL_COLS_53 * i + 0]));
+STOREU(&tiledp_col[(OPJ_SIZE_T)i * stride + VREG_INT_COUNT],
+LOAD(&tmp[PARALLEL_COLS_53 * i + VREG_INT_COUNT]));
+}
+}
+/** Vertical inverse 5x3 wavelet transform for 8 columns in SSE2, or
+* 16 in AVX2, when top-most pixel is on even coordinate */
+static void opj_idwt53_v_cas0_mcols_SSE2_OR_AVX2(
+OPJ_INT32* tmp,
+const OPJ_INT32 sn,
+const OPJ_INT32 len,
+OPJ_INT32* tiledp_col,
+const OPJ_SIZE_T stride)
+{
+const OPJ_INT32* in_even = &tiledp_col[0];
+const OPJ_INT32* in_odd = &tiledp_col[(OPJ_SIZE_T)sn * stride];
+OPJ_INT32 i;
+OPJ_SIZE_T j;
+VREG d1c_0, d1n_0, s1n_0, s0c_0, s0n_0;
+VREG d1c_1, d1n_1, s1n_1, s0c_1, s0n_1;
+const VREG two = LOAD_CST(2);
+assert(len > 1);
+#if defined(__AVX512F__)
+assert(PARALLEL_COLS_53 == 32);
+assert(VREG_INT_COUNT == 16);
+#elif defined(__AVX2__)
+assert(PARALLEL_COLS_53 == 16);
+assert(VREG_INT_COUNT == 8);
+#else
+assert(PARALLEL_COLS_53 == 8);
+assert(VREG_INT_COUNT == 4);
+#endif
+//For AVX512 code aligned load/store is set to it's unaligned equivalents
+#if !defined(__AVX512F__)
+/* Note: loads of input even/odd values must be done in a unaligned */
+/* fashion. But stores in tmp can be done with aligned store, since */
+/* the temporary buffer is properly aligned */
+assert((OPJ_SIZE_T)tmp % (sizeof(OPJ_INT32) * VREG_INT_COUNT) == 0);
+#endif
+s1n_0 = LOADU(in_even + 0);
+s1n_1 = LOADU(in_even + VREG_INT_COUNT);
+d1n_0 = LOADU(in_odd);
+d1n_1 = LOADU(in_odd + VREG_INT_COUNT);
+/* s0n = s1n - ((d1n + 1) >> 1); <==> */
+/* s0n = s1n - ((d1n + d1n + 2) >> 2); */
+s0n_0 = SUB(s1n_0, SAR(ADD3(d1n_0, d1n_0, two), 2));
+s0n_1 = SUB(s1n_1, SAR(ADD3(d1n_1, d1n_1, two), 2));
+for (i = 0, j = 1; i < (len - 3); i += 2, j++) {
+d1c_0 = d1n_0;
+s0c_0 = s0n_0;
+d1c_1 = d1n_1;
+s0c_1 = s0n_1;
+s1n_0 = LOADU(in_even + j * stride);
+s1n_1 = LOADU(in_even + j * stride + VREG_INT_COUNT);
+d1n_0 = LOADU(in_odd + j * stride);
+d1n_1 = LOADU(in_odd + j * stride + VREG_INT_COUNT);
+/*s0n = s1n - ((d1c + d1n + 2) >> 2);*/
+s0n_0 = SUB(s1n_0, SAR(ADD3(d1c_0, d1n_0, two), 2));
+s0n_1 = SUB(s1n_1, SAR(ADD3(d1c_1, d1n_1, two), 2));
+STORE(tmp + PARALLEL_COLS_53 * (i + 0), s0c_0);
+STORE(tmp + PARALLEL_COLS_53 * (i + 0) + VREG_INT_COUNT, s0c_1);
+/* d1c + ((s0c + s0n) >> 1) */
+STORE(tmp + PARALLEL_COLS_53 * (i + 1) + 0,
+ADD(d1c_0, SAR(ADD(s0c_0, s0n_0), 1)));
+STORE(tmp + PARALLEL_COLS_53 * (i + 1) + VREG_INT_COUNT,
+ADD(d1c_1, SAR(ADD(s0c_1, s0n_1), 1)));
+}
+STORE(tmp + PARALLEL_COLS_53 * (i + 0) + 0, s0n_0);
+STORE(tmp + PARALLEL_COLS_53 * (i + 0) + VREG_INT_COUNT, s0n_1);
+if (len & 1) {
+VREG tmp_len_minus_1;
+s1n_0 = LOADU(in_even + (OPJ_SIZE_T)((len - 1) / 2) * stride);
+/* tmp_len_minus_1 = s1n - ((d1n + 1) >> 1); */
+tmp_len_minus_1 = SUB(s1n_0, SAR(ADD3(d1n_0, d1n_0, two), 2));
+STORE(tmp + PARALLEL_COLS_53 * (len - 1), tmp_len_minus_1);
+/* d1n + ((s0n + tmp_len_minus_1) >> 1) */
+STORE(tmp + PARALLEL_COLS_53 * (len - 2),
+ADD(d1n_0, SAR(ADD(s0n_0, tmp_len_minus_1), 1)));
+s1n_1 = LOADU(in_even + (OPJ_SIZE_T)((len - 1) / 2) * stride + VREG_INT_COUNT);
+/* tmp_len_minus_1 = s1n - ((d1n + 1) >> 1); */
+tmp_len_minus_1 = SUB(s1n_1, SAR(ADD3(d1n_1, d1n_1, two), 2));
+STORE(tmp + PARALLEL_COLS_53 * (len - 1) + VREG_INT_COUNT,
+tmp_len_minus_1);
+/* d1n + ((s0n + tmp_len_minus_1) >> 1) */
+STORE(tmp + PARALLEL_COLS_53 * (len - 2) + VREG_INT_COUNT,
+ADD(d1n_1, SAR(ADD(s0n_1, tmp_len_minus_1), 1)));
+} else {
+STORE(tmp + PARALLEL_COLS_53 * (len - 1) + 0,
+ADD(d1n_0, s0n_0));
+STORE(tmp + PARALLEL_COLS_53 * (len - 1) + VREG_INT_COUNT,
+ADD(d1n_1, s0n_1));
+}
+opj_idwt53_v_final_memcpy(tiledp_col, tmp, len, stride);
+}
+/** Vertical inverse 5x3 wavelet transform for 8 columns in SSE2, or
+* 16 in AVX2, when top-most pixel is on odd coordinate */
+static void opj_idwt53_v_cas1_mcols_SSE2_OR_AVX2(
+OPJ_INT32* tmp,
+const OPJ_INT32 sn,
+const OPJ_INT32 len,
+OPJ_INT32* tiledp_col,
+const OPJ_SIZE_T stride)
+{
+OPJ_INT32 i;
+OPJ_SIZE_T j;
+VREG s1_0, s2_0, dc_0, dn_0;
+VREG s1_1, s2_1, dc_1, dn_1;
+const VREG two = LOAD_CST(2);
+const OPJ_INT32* in_even = &tiledp_col[(OPJ_SIZE_T)sn * stride];
+const OPJ_INT32* in_odd = &tiledp_col[0];
+assert(len > 2);
+#if defined(__AVX512F__)
+assert(PARALLEL_COLS_53 == 32);
+assert(VREG_INT_COUNT == 16);
+#elif defined(__AVX2__)
+assert(PARALLEL_COLS_53 == 16);
+assert(VREG_INT_COUNT == 8);
+#else
+assert(PARALLEL_COLS_53 == 8);
+assert(VREG_INT_COUNT == 4);
+#endif
+//For AVX512 code aligned load/store is set to it's unaligned equivalents
+#if !defined(__AVX512F__)
+/* Note: loads of input even/odd values must be done in a unaligned */
+/* fashion. But stores in tmp can be done with aligned store, since */
+/* the temporary buffer is properly aligned */
+assert((OPJ_SIZE_T)tmp % (sizeof(OPJ_INT32) * VREG_INT_COUNT) == 0);
+#endif
+s1_0 = LOADU(in_even + stride);
+/* in_odd[0] - ((in_even[0] + s1 + 2) >> 2); */
+dc_0 = SUB(LOADU(in_odd + 0),
+SAR(ADD3(LOADU(in_even + 0), s1_0, two), 2));
+STORE(tmp + PARALLEL_COLS_53 * 0, ADD(LOADU(in_even + 0), dc_0));
+s1_1 = LOADU(in_even + stride + VREG_INT_COUNT);
+/* in_odd[0] - ((in_even[0] + s1 + 2) >> 2); */
+dc_1 = SUB(LOADU(in_odd + VREG_INT_COUNT),
+SAR(ADD3(LOADU(in_even + VREG_INT_COUNT), s1_1, two), 2));
+STORE(tmp + PARALLEL_COLS_53 * 0 + VREG_INT_COUNT,
+ADD(LOADU(in_even + VREG_INT_COUNT), dc_1));
+for (i = 1, j = 1; i < (len - 2 - !(len & 1)); i += 2, j++) {
+s2_0 = LOADU(in_even + (j + 1) * stride);
+s2_1 = LOADU(in_even + (j + 1) * stride + VREG_INT_COUNT);
+/* dn = in_odd[j * stride] - ((s1 + s2 + 2) >> 2); */
+dn_0 = SUB(LOADU(in_odd + j * stride),
+SAR(ADD3(s1_0, s2_0, two), 2));
+dn_1 = SUB(LOADU(in_odd + j * stride + VREG_INT_COUNT),
+SAR(ADD3(s1_1, s2_1, two), 2));
+STORE(tmp + PARALLEL_COLS_53 * i, dc_0);
+STORE(tmp + PARALLEL_COLS_53 * i + VREG_INT_COUNT, dc_1);
+/* tmp[i + 1] = s1 + ((dn + dc) >> 1); */
+STORE(tmp + PARALLEL_COLS_53 * (i + 1) + 0,
+ADD(s1_0, SAR(ADD(dn_0, dc_0), 1)));
+STORE(tmp + PARALLEL_COLS_53 * (i + 1) + VREG_INT_COUNT,
+ADD(s1_1, SAR(ADD(dn_1, dc_1), 1)));
+dc_0 = dn_0;
+s1_0 = s2_0;
+dc_1 = dn_1;
+s1_1 = s2_1;
+}
+STORE(tmp + PARALLEL_COLS_53 * i, dc_0);
+STORE(tmp + PARALLEL_COLS_53 * i + VREG_INT_COUNT, dc_1);
+if (!(len & 1)) {
+/*dn = in_odd[(len / 2 - 1) * stride] - ((s1 + 1) >> 1); */
+dn_0 = SUB(LOADU(in_odd + (OPJ_SIZE_T)(len / 2 - 1) * stride),
+SAR(ADD3(s1_0, s1_0, two), 2));
+dn_1 = SUB(LOADU(in_odd + (OPJ_SIZE_T)(len / 2 - 1) * stride + VREG_INT_COUNT),
+SAR(ADD3(s1_1, s1_1, two), 2));
+/* tmp[len - 2] = s1 + ((dn + dc) >> 1); */
+STORE(tmp + PARALLEL_COLS_53 * (len - 2) + 0,
+ADD(s1_0, SAR(ADD(dn_0, dc_0), 1)));
+STORE(tmp + PARALLEL_COLS_53 * (len - 2) + VREG_INT_COUNT,
+ADD(s1_1, SAR(ADD(dn_1, dc_1), 1)));
+STORE(tmp + PARALLEL_COLS_53 * (len - 1) + 0, dn_0);
+STORE(tmp + PARALLEL_COLS_53 * (len - 1) + VREG_INT_COUNT, dn_1);
+} else {
+STORE(tmp + PARALLEL_COLS_53 * (len - 1) + 0, ADD(s1_0, dc_0));
+STORE(tmp + PARALLEL_COLS_53 * (len - 1) + VREG_INT_COUNT,
+ADD(s1_1, dc_1));
+}
+opj_idwt53_v_final_memcpy(tiledp_col, tmp, len, stride);
+}
+#undef VREG
+#undef LOAD_CST
+#undef LOADU
+#undef LOAD
+#undef STORE
+#undef STOREU
+#undef ADD
+#undef ADD3
+#undef SUB
+#undef SAR
+#endif /* (defined(__SSE2__) || defined(__AVX2__)) && !defined(STANDARD_SLOW_VERSION) */
+#if !defined(STANDARD_SLOW_VERSION)
+/** Vertical inverse 5x3 wavelet transform for one column, when top-most
+* pixel is on even coordinate */
+static void opj_idwt3_v_cas0(OPJ_INT32* tmp,
+const OPJ_INT32 sn,
+const OPJ_INT32 len,
+OPJ_INT32* tiledp_col,
+const OPJ_SIZE_T stride)
+{
+OPJ_INT32 i, j;
+OPJ_INT32 d1c, d1n, s1n, s0c, s0n;
+assert(len > 1);
+/* Performs lifting in one single iteration. Saves memory */
+/* accesses and explicit interleaving. */
+s1n = tiledp_col[0];
+d1n = tiledp_col[(OPJ_SIZE_T)sn * stride];
+s0n = s1n - ((d1n + 1) >> 1);
+for (i = 0, j = 0; i < (len - 3); i += 2, j++) {
+d1c = d1n;
+s0c = s0n;
+s1n = tiledp_col[(OPJ_SIZE_T)(j + 1) * stride];
+d1n = tiledp_col[(OPJ_SIZE_T)(sn + j + 1) * stride];
+s0n = opj_int_sub_no_overflow(s1n,
+opj_int_add_no_overflow(opj_int_add_no_overflow(d1c, d1n), 2) >> 2);
+tmp[i  ] = s0c;
+tmp[i + 1] = opj_int_add_no_overflow(d1c, opj_int_add_no_overflow(s0c,
+s0n) >> 1);
+}
+tmp[i] = s0n;
+if (len & 1) {
+tmp[len - 1] =
+tiledp_col[(OPJ_SIZE_T)((len - 1) / 2) * stride] -
+((d1n + 1) >> 1);
+tmp[len - 2] = d1n + ((s0n + tmp[len - 1]) >> 1);
+} else {
+tmp[len - 1] = d1n + s0n;
+}
+for (i = 0; i < len; ++i) {
+tiledp_col[(OPJ_SIZE_T)i * stride] = tmp[i];
+}
+}
+/** Vertical inverse 5x3 wavelet transform for one column, when top-most
+* pixel is on odd coordinate */
+static void opj_idwt3_v_cas1(OPJ_INT32* tmp,
+const OPJ_INT32 sn,
+const OPJ_INT32 len,
+OPJ_INT32* tiledp_col,
+const OPJ_SIZE_T stride)
+{
+OPJ_INT32 i, j;
+OPJ_INT32 s1, s2, dc, dn;
+const OPJ_INT32* in_even = &tiledp_col[(OPJ_SIZE_T)sn * stride];
+const OPJ_INT32* in_odd = &tiledp_col[0];
+assert(len > 2);
+/* Performs lifting in one single iteration. Saves memory */
+/* accesses and explicit interleaving. */
+s1 = in_even[stride];
+dc = in_odd[0] - ((in_even[0] + s1 + 2) >> 2);
+tmp[0] = in_even[0] + dc;
+for (i = 1, j = 1; i < (len - 2 - !(len & 1)); i += 2, j++) {
+s2 = in_even[(OPJ_SIZE_T)(j + 1) * stride];
+dn = in_odd[(OPJ_SIZE_T)j * stride] - ((s1 + s2 + 2) >> 2);
+tmp[i  ] = dc;
+tmp[i + 1] = s1 + ((dn + dc) >> 1);
+dc = dn;
+s1 = s2;
+}
+tmp[i] = dc;
+if (!(len & 1)) {
+dn = in_odd[(OPJ_SIZE_T)(len / 2 - 1) * stride] - ((s1 + 1) >> 1);
+tmp[len - 2] = s1 + ((dn + dc) >> 1);
+tmp[len - 1] = dn;
+} else {
+tmp[len - 1] = s1 + dc;
+}
+for (i = 0; i < len; ++i) {
+tiledp_col[(OPJ_SIZE_T)i * stride] = tmp[i];
+}
+}
+#endif /* !defined(STANDARD_SLOW_VERSION) */
+/* <summary>                            */
+/* Inverse vertical 5-3 wavelet transform in 1-D for several columns. */
+/* </summary>                           */
+/* Performs interleave, inverse wavelet transform and copy back to buffer */
+static void opj_idwt53_v(const opj_dwt_t *dwt,
+OPJ_INT32* tiledp_col,
+OPJ_SIZE_T stride,
+OPJ_INT32 nb_cols)
+{
+#ifdef STANDARD_SLOW_VERSION
+/* For documentation purpose */
+OPJ_INT32 k, c;
+for (c = 0; c < nb_cols; c ++) {
+opj_dwt_interleave_v(dwt, tiledp_col + c, stride);
+opj_dwt_decode_1(dwt);
+for (k = 0; k < dwt->sn + dwt->dn; ++k) {
+tiledp_col[c + k * stride] = dwt->mem[k];
+}
+}
+#else
+const OPJ_INT32 sn = dwt->sn;
+const OPJ_INT32 len = sn + dwt->dn;
+if (dwt->cas == 0) {
+/* If len == 1, unmodified value */
+#if (defined(__SSE2__) || defined(__AVX2__))
+if (len > 1 && nb_cols == PARALLEL_COLS_53) {
+/* Same as below general case, except that thanks to SSE2/AVX2 */
+/* we can efficiently process 8/16 columns in parallel */
+opj_idwt53_v_cas0_mcols_SSE2_OR_AVX2(dwt->mem, sn, len, tiledp_col, stride);
+return;
+}
+#endif
+if (len > 1) {
+OPJ_INT32 c;
+for (c = 0; c < nb_cols; c++, tiledp_col++) {
+opj_idwt3_v_cas0(dwt->mem, sn, len, tiledp_col, stride);
+}
+return;
+}
+} else {
+if (len == 1) {
+OPJ_INT32 c;
+for (c = 0; c < nb_cols; c++, tiledp_col++) {
+tiledp_col[0] /= 2;
+}
+return;
+}
+if (len == 2) {
+OPJ_INT32 c;
+OPJ_INT32* out = dwt->mem;
+for (c = 0; c < nb_cols; c++, tiledp_col++) {
+OPJ_INT32 i;
+const OPJ_INT32* in_even = &tiledp_col[(OPJ_SIZE_T)sn * stride];
+const OPJ_INT32* in_odd = &tiledp_col[0];
+out[1] = in_odd[0] - ((in_even[0] + 1) >> 1);
+out[0] = in_even[0] + out[1];
+for (i = 0; i < len; ++i) {
+tiledp_col[(OPJ_SIZE_T)i * stride] = out[i];
+}
+}
+return;
+}
+#if (defined(__SSE2__) || defined(__AVX2__))
+if (len > 2 && nb_cols == PARALLEL_COLS_53) {
+/* Same as below general case, except that thanks to SSE2/AVX2 */
+/* we can efficiently process 8/16 columns in parallel */
+opj_idwt53_v_cas1_mcols_SSE2_OR_AVX2(dwt->mem, sn, len, tiledp_col, stride);
+return;
+}
+#endif
+if (len > 2) {
+OPJ_INT32 c;
+for (c = 0; c < nb_cols; c++, tiledp_col++) {
+opj_idwt3_v_cas1(dwt->mem, sn, len, tiledp_col, stride);
+}
+return;
+}
+}
+#endif
+}
+#if 0
+static void opj_dwt_encode_step1(OPJ_FLOAT32* fw,
+OPJ_UINT32 end,
+const OPJ_FLOAT32 c)
+{
+OPJ_UINT32 i = 0;
+for (; i < end; ++i) {
+fw[0] *= c;
+fw += 2;
+}
+}
+#else
+static void opj_dwt_encode_step1_combined(OPJ_FLOAT32* fw,
+OPJ_UINT32 iters_c1,
+OPJ_UINT32 iters_c2,
+const OPJ_FLOAT32 c1,
+const OPJ_FLOAT32 c2)
+{
+OPJ_UINT32 i = 0;
+const OPJ_UINT32 iters_common =  opj_uint_min(iters_c1, iters_c2);
+assert((((OPJ_SIZE_T)fw) & 0xf) == 0);
+assert(opj_int_abs((OPJ_INT32)iters_c1 - (OPJ_INT32)iters_c2) <= 1);
+for (; i + 3 < iters_common; i += 4) {
+#ifdef __SSE__
+const __m128 vcst = _mm_set_ps(c2, c1, c2, c1);
+*(__m128*)fw = _mm_mul_ps(*(__m128*)fw, vcst);
+*(__m128*)(fw + 4) = _mm_mul_ps(*(__m128*)(fw + 4), vcst);
+#else
+fw[0] *= c1;
+fw[1] *= c2;
+fw[2] *= c1;
+fw[3] *= c2;
+fw[4] *= c1;
+fw[5] *= c2;
+fw[6] *= c1;
+fw[7] *= c2;
+#endif
+fw += 8;
+}
+for (; i < iters_common; i++) {
+fw[0] *= c1;
+fw[1] *= c2;
+fw += 2;
+}
+if (i < iters_c1) {
+fw[0] *= c1;
+} else if (i < iters_c2) {
+fw[1] *= c2;
+}
+}
+#endif
+static void opj_dwt_encode_step2(OPJ_FLOAT32* fl, OPJ_FLOAT32* fw,
+OPJ_UINT32 end,
+OPJ_UINT32 m,
+OPJ_FLOAT32 c)
+{
+OPJ_UINT32 i;
+OPJ_UINT32 imax = opj_uint_min(end, m);
+if (imax > 0) {
+fw[-1] += (fl[0] + fw[0]) * c;
+fw += 2;
+i = 1;
+for (; i + 3 < imax; i += 4) {
+fw[-1] += (fw[-2] + fw[0]) * c;
+fw[1] += (fw[0] + fw[2]) * c;
+fw[3] += (fw[2] + fw[4]) * c;
+fw[5] += (fw[4] + fw[6]) * c;
+fw += 8;
+}
+for (; i < imax; ++i) {
+fw[-1] += (fw[-2] + fw[0]) * c;
+fw += 2;
+}
+}
+if (m < end) {
+assert(m + 1 == end);
+fw[-1] += (2 * fw[-2]) * c;
+}
+}
+static void opj_dwt_encode_1_real(void *aIn, OPJ_INT32 dn, OPJ_INT32 sn,
+OPJ_INT32 cas)
+{
+OPJ_FLOAT32* w = (OPJ_FLOAT32*)aIn;
+OPJ_INT32 a, b;
+assert(dn + sn > 1);
+if (cas == 0) {
+a = 0;
+b = 1;
+} else {
+a = 1;
+b = 0;
+}
+opj_dwt_encode_step2(w + a, w + b + 1,
+(OPJ_UINT32)dn,
+(OPJ_UINT32)opj_int_min(dn, sn - b),
+opj_dwt_alpha);
+opj_dwt_encode_step2(w + b, w + a + 1,
+(OPJ_UINT32)sn,
+(OPJ_UINT32)opj_int_min(sn, dn - a),
+opj_dwt_beta);
+opj_dwt_encode_step2(w + a, w + b + 1,
+(OPJ_UINT32)dn,
+(OPJ_UINT32)opj_int_min(dn, sn - b),
+opj_dwt_gamma);
+opj_dwt_encode_step2(w + b, w + a + 1,
+(OPJ_UINT32)sn,
+(OPJ_UINT32)opj_int_min(sn, dn - a),
+opj_dwt_delta);
+#if 0
+opj_dwt_encode_step1(w + b, (OPJ_UINT32)dn,
+opj_K);
+opj_dwt_encode_step1(w + a, (OPJ_UINT32)sn,
+opj_invK);
+#else
+if (a == 0) {
+opj_dwt_encode_step1_combined(w,
+(OPJ_UINT32)sn,
+(OPJ_UINT32)dn,
+opj_invK,
+opj_K);
+} else {
+opj_dwt_encode_step1_combined(w,
+(OPJ_UINT32)dn,
+(OPJ_UINT32)sn,
+opj_K,
+opj_invK);
+}
+#endif
+}
+static 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
+==========================================================
+*/
+/** Process one line for the horizontal pass of the 5x3 forward transform */
+static
+void opj_dwt_encode_and_deinterleave_h_one_row(void* rowIn,
+void* tmpIn,
+OPJ_UINT32 width,
+OPJ_BOOL even)
+{
+OPJ_INT32* OPJ_RESTRICT row = (OPJ_INT32*)rowIn;
+OPJ_INT32* OPJ_RESTRICT tmp = (OPJ_INT32*)tmpIn;
+const OPJ_INT32 sn = (OPJ_INT32)((width + (even ? 1 : 0)) >> 1);
+const OPJ_INT32 dn = (OPJ_INT32)(width - (OPJ_UINT32)sn);
+if (even) {
+if (width > 1) {
+OPJ_INT32 i;
+for (i = 0; i < sn - 1; i++) {
+tmp[sn + i] = row[2 * i + 1] - ((row[(i) * 2] + row[(i + 1) * 2]) >> 1);
+}
+if ((width % 2) == 0) {
+tmp[sn + i] = row[2 * i + 1] - row[(i) * 2];
+}
+row[0] += (tmp[sn] + tmp[sn] + 2) >> 2;
+for (i = 1; i < dn; i++) {
+row[i] = row[2 * i] + ((tmp[sn + (i - 1)] + tmp[sn + i] + 2) >> 2);
+}
+if ((width % 2) == 1) {
+row[i] = row[2 * i] + ((tmp[sn + (i - 1)] + tmp[sn + (i - 1)] + 2) >> 2);
+}
+memcpy(row + sn, tmp + sn, (OPJ_SIZE_T)dn * sizeof(OPJ_INT32));
+}
+} else {
+if (width == 1) {
+row[0] *= 2;
+} else {
+OPJ_INT32 i;
+tmp[sn + 0] = row[0] - row[1];
+for (i = 1; i < sn; i++) {
+tmp[sn + i] = row[2 * i] - ((row[2 * i + 1] + row[2 * (i - 1) + 1]) >> 1);
+}
+if ((width % 2) == 1) {
+tmp[sn + i] = row[2 * i] - row[2 * (i - 1) + 1];
+}
+for (i = 0; i < dn - 1; i++) {
+row[i] = row[2 * i + 1] + ((tmp[sn + i] + tmp[sn + i + 1] + 2) >> 2);
+}
+if ((width % 2) == 0) {
+row[i] = row[2 * i + 1] + ((tmp[sn + i] + tmp[sn + i] + 2) >> 2);
+}
+memcpy(row + sn, tmp + sn, (OPJ_SIZE_T)dn * sizeof(OPJ_INT32));
+}
+}
+}
+/** Process one line for the horizontal pass of the 9x7 forward transform */
+static
+void opj_dwt_encode_and_deinterleave_h_one_row_real(void* rowIn,
+void* tmpIn,
+OPJ_UINT32 width,
+OPJ_BOOL even)
+{
+OPJ_FLOAT32* OPJ_RESTRICT row = (OPJ_FLOAT32*)rowIn;
+OPJ_FLOAT32* OPJ_RESTRICT tmp = (OPJ_FLOAT32*)tmpIn;
+const OPJ_INT32 sn = (OPJ_INT32)((width + (even ? 1 : 0)) >> 1);
+const OPJ_INT32 dn = (OPJ_INT32)(width - (OPJ_UINT32)sn);
+if (width == 1) {
+return;
+}
+memcpy(tmp, row, width * sizeof(OPJ_FLOAT32));
+opj_dwt_encode_1_real(tmp, dn, sn, even ? 0 : 1);
+opj_dwt_deinterleave_h((OPJ_INT32 * OPJ_RESTRICT)tmp,
+(OPJ_INT32 * OPJ_RESTRICT)row,
+dn, sn, even ? 0 : 1);
+}
+typedef struct {
+opj_dwt_t h;
+OPJ_UINT32 rw; /* Width of the resolution to process */
+OPJ_UINT32 w; /* Width of tiledp */
+OPJ_INT32 * OPJ_RESTRICT tiledp;
+OPJ_UINT32 min_j;
+OPJ_UINT32 max_j;
+opj_encode_and_deinterleave_h_one_row_fnptr_type p_function;
+} opj_dwt_encode_h_job_t;
+static void opj_dwt_encode_h_func(void* user_data, opj_tls_t* tls)
+{
+OPJ_UINT32 j;
+opj_dwt_encode_h_job_t* job;
+(void)tls;
+job = (opj_dwt_encode_h_job_t*)user_data;
+for (j = job->min_j; j < job->max_j; j++) {
+OPJ_INT32* OPJ_RESTRICT aj = job->tiledp + j * job->w;
+(*job->p_function)(aj, job->h.mem, job->rw,
+job->h.cas == 0 ? OPJ_TRUE : OPJ_FALSE);
+}
+opj_aligned_free(job->h.mem);
+opj_free(job);
+}
+typedef struct {
+opj_dwt_t v;
+OPJ_UINT32 rh;
+OPJ_UINT32 w;
+OPJ_INT32 * OPJ_RESTRICT tiledp;
+OPJ_UINT32 min_j;
+OPJ_UINT32 max_j;
+opj_encode_and_deinterleave_v_fnptr_type p_encode_and_deinterleave_v;
+} opj_dwt_encode_v_job_t;
+static void opj_dwt_encode_v_func(void* user_data, opj_tls_t* tls)
+{
+OPJ_UINT32 j;
+opj_dwt_encode_v_job_t* job;
+(void)tls;
+job = (opj_dwt_encode_v_job_t*)user_data;
+for (j = job->min_j; j + NB_ELTS_V8 - 1 < job->max_j; j += NB_ELTS_V8) {
+(*job->p_encode_and_deinterleave_v)(job->tiledp + j,
+job->v.mem,
+job->rh,
+job->v.cas == 0,
+job->w,
+NB_ELTS_V8);
+}
+if (j < job->max_j) {
+(*job->p_encode_and_deinterleave_v)(job->tiledp + j,
+job->v.mem,
+job->rh,
+job->v.cas == 0,
+job->w,
+job->max_j - j);
+}
+opj_aligned_free(job->v.mem);
+opj_free(job);
+}
+/** Fetch up to cols <= NB_ELTS_V8 for each line, and put them in tmpOut */
+/* that has a NB_ELTS_V8 interleave factor. */
+static void opj_dwt_fetch_cols_vertical_pass(const void *arrayIn,
+void *tmpOut,
+OPJ_UINT32 height,
+OPJ_UINT32 stride_width,
+OPJ_UINT32 cols)
+{
+const OPJ_INT32* OPJ_RESTRICT array = (const OPJ_INT32 * OPJ_RESTRICT)arrayIn;
+OPJ_INT32* OPJ_RESTRICT tmp = (OPJ_INT32 * OPJ_RESTRICT)tmpOut;
+if (cols == NB_ELTS_V8) {
+OPJ_UINT32 k;
+for (k = 0; k < height; ++k) {
+memcpy(tmp + NB_ELTS_V8 * k,
+array + k * stride_width,
+NB_ELTS_V8 * sizeof(OPJ_INT32));
+}
+} else {
+OPJ_UINT32 k;
+for (k = 0; k < height; ++k) {
+OPJ_UINT32 c;
+for (c = 0; c < cols; c++) {
+tmp[NB_ELTS_V8 * k + c] = array[c + k * stride_width];
+}
+for (; c < NB_ELTS_V8; c++) {
+tmp[NB_ELTS_V8 * k + c] = 0;
+}
+}
+}
+}
+/* Deinterleave result of forward transform, where cols <= NB_ELTS_V8 */
+/* and src contains NB_ELTS_V8 consecutive values for up to NB_ELTS_V8 */
+/* columns. */
+static INLINE void opj_dwt_deinterleave_v_cols(
+const OPJ_INT32 * OPJ_RESTRICT src,
+OPJ_INT32 * OPJ_RESTRICT dst,
+OPJ_INT32 dn,
+OPJ_INT32 sn,
+OPJ_UINT32 stride_width,
+OPJ_INT32 cas,
+OPJ_UINT32 cols)
+{
+OPJ_INT32 k;
+OPJ_INT32 i = sn;
+OPJ_INT32 * OPJ_RESTRICT l_dest = dst;
+const OPJ_INT32 * OPJ_RESTRICT l_src = src + cas * NB_ELTS_V8;
+OPJ_UINT32 c;
+for (k = 0; k < 2; k++) {
+while (i--) {
+if (cols == NB_ELTS_V8) {
+memcpy(l_dest, l_src, NB_ELTS_V8 * sizeof(OPJ_INT32));
+} else {
+c = 0;
+switch (cols) {
+case 7:
+l_dest[c] = l_src[c];
+c++; /* fallthru */
+case 6:
+l_dest[c] = l_src[c];
+c++; /* fallthru */
+case 5:
+l_dest[c] = l_src[c];
+c++; /* fallthru */
+case 4:
+l_dest[c] = l_src[c];
+c++; /* fallthru */
+case 3:
+l_dest[c] = l_src[c];
+c++; /* fallthru */
+case 2:
+l_dest[c] = l_src[c];
+c++; /* fallthru */
+default:
+l_dest[c] = l_src[c];
+break;
+}
+}
+l_dest += stride_width;
+l_src += 2 * NB_ELTS_V8;
+}
+l_dest = dst + (OPJ_SIZE_T)sn * (OPJ_SIZE_T)stride_width;
+l_src = src + (1 - cas) * NB_ELTS_V8;
+i = dn;
+}
+}
+/* Forward 5-3 transform, for the vertical pass, processing cols columns */
+/* where cols <= NB_ELTS_V8 */
+static void opj_dwt_encode_and_deinterleave_v(
+void *arrayIn,
+void *tmpIn,
+OPJ_UINT32 height,
+OPJ_BOOL even,
+OPJ_UINT32 stride_width,
+OPJ_UINT32 cols)
+{
+OPJ_INT32* OPJ_RESTRICT array = (OPJ_INT32 * OPJ_RESTRICT)arrayIn;
+OPJ_INT32* OPJ_RESTRICT tmp = (OPJ_INT32 * OPJ_RESTRICT)tmpIn;
+const OPJ_UINT32 sn = (height + (even ? 1 : 0)) >> 1;
+const OPJ_UINT32 dn = height - sn;
+opj_dwt_fetch_cols_vertical_pass(arrayIn, tmpIn, height, stride_width, cols);
+#define OPJ_Sc(i) tmp[(i)*2* NB_ELTS_V8 + c]
+#define OPJ_Dc(i) tmp[((1+(i)*2))* NB_ELTS_V8 + c]
+#ifdef __SSE2__
+if (height == 1) {
+if (!even) {
+OPJ_UINT32 c;
+for (c = 0; c < NB_ELTS_V8; c++) {
+tmp[c] *= 2;
+}
+}
+} else if (even) {
+OPJ_UINT32 c;
+OPJ_UINT32 i;
+i = 0;
+if (i + 1 < sn) {
+__m128i xmm_Si_0 = *(const __m128i*)(tmp + 4 * 0);
+__m128i xmm_Si_1 = *(const __m128i*)(tmp + 4 * 1);
+for (; i + 1 < sn; i++) {
+__m128i xmm_Sip1_0 = *(const __m128i*)(tmp +
+(i + 1) * 2 * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Sip1_1 = *(const __m128i*)(tmp +
+(i + 1) * 2 * NB_ELTS_V8 + 4 * 1);
+__m128i xmm_Di_0 = *(const __m128i*)(tmp +
+(1 + i * 2) * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Di_1 = *(const __m128i*)(tmp +
+(1 + i * 2) * NB_ELTS_V8 + 4 * 1);
+xmm_Di_0 = _mm_sub_epi32(xmm_Di_0,
+_mm_srai_epi32(_mm_add_epi32(xmm_Si_0, xmm_Sip1_0), 1));
+xmm_Di_1 = _mm_sub_epi32(xmm_Di_1,
+_mm_srai_epi32(_mm_add_epi32(xmm_Si_1, xmm_Sip1_1), 1));
+*(__m128i*)(tmp + (1 + i * 2) * NB_ELTS_V8 + 4 * 0) =  xmm_Di_0;
+*(__m128i*)(tmp + (1 + i * 2) * NB_ELTS_V8 + 4 * 1) =  xmm_Di_1;
+xmm_Si_0 = xmm_Sip1_0;
+xmm_Si_1 = xmm_Sip1_1;
+}
+}
+if (((height) % 2) == 0) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Dc(i) -= OPJ_Sc(i);
+}
+}
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(0) += (OPJ_Dc(0) + OPJ_Dc(0) + 2) >> 2;
+}
+i = 1;
+if (i < dn) {
+__m128i xmm_Dim1_0 = *(const __m128i*)(tmp + (1 +
+(i - 1) * 2) * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Dim1_1 = *(const __m128i*)(tmp + (1 +
+(i - 1) * 2) * NB_ELTS_V8 + 4 * 1);
+const __m128i xmm_two = _mm_set1_epi32(2);
+for (; i < dn; i++) {
+__m128i xmm_Di_0 = *(const __m128i*)(tmp +
+(1 + i * 2) * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Di_1 = *(const __m128i*)(tmp +
+(1 + i * 2) * NB_ELTS_V8 + 4 * 1);
+__m128i xmm_Si_0 = *(const __m128i*)(tmp +
+(i * 2) * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Si_1 = *(const __m128i*)(tmp +
+(i * 2) * NB_ELTS_V8 + 4 * 1);
+xmm_Si_0 = _mm_add_epi32(xmm_Si_0,
+_mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(xmm_Dim1_0, xmm_Di_0), xmm_two), 2));
+xmm_Si_1 = _mm_add_epi32(xmm_Si_1,
+_mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(xmm_Dim1_1, xmm_Di_1), xmm_two), 2));
+*(__m128i*)(tmp + (i * 2) * NB_ELTS_V8 + 4 * 0) = xmm_Si_0;
+*(__m128i*)(tmp + (i * 2) * NB_ELTS_V8 + 4 * 1) = xmm_Si_1;
+xmm_Dim1_0 = xmm_Di_0;
+xmm_Dim1_1 = xmm_Di_1;
+}
+}
+if (((height) % 2) == 1) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(i) += (OPJ_Dc(i - 1) + OPJ_Dc(i - 1) + 2) >> 2;
+}
+}
+} else {
+OPJ_UINT32 c;
+OPJ_UINT32 i;
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(0) -= OPJ_Dc(0);
+}
+i = 1;
+if (i < sn) {
+__m128i xmm_Dim1_0 = *(const __m128i*)(tmp + (1 +
+(i - 1) * 2) * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Dim1_1 = *(const __m128i*)(tmp + (1 +
+(i - 1) * 2) * NB_ELTS_V8 + 4 * 1);
+for (; i < sn; i++) {
+__m128i xmm_Di_0 = *(const __m128i*)(tmp +
+(1 + i * 2) * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Di_1 = *(const __m128i*)(tmp +
+(1 + i * 2) * NB_ELTS_V8 + 4 * 1);
+__m128i xmm_Si_0 = *(const __m128i*)(tmp +
+(i * 2) * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Si_1 = *(const __m128i*)(tmp +
+(i * 2) * NB_ELTS_V8 + 4 * 1);
+xmm_Si_0 = _mm_sub_epi32(xmm_Si_0,
+_mm_srai_epi32(_mm_add_epi32(xmm_Di_0, xmm_Dim1_0), 1));
+xmm_Si_1 = _mm_sub_epi32(xmm_Si_1,
+_mm_srai_epi32(_mm_add_epi32(xmm_Di_1, xmm_Dim1_1), 1));
+*(__m128i*)(tmp + (i * 2) * NB_ELTS_V8 + 4 * 0) = xmm_Si_0;
+*(__m128i*)(tmp + (i * 2) * NB_ELTS_V8 + 4 * 1) = xmm_Si_1;
+xmm_Dim1_0 = xmm_Di_0;
+xmm_Dim1_1 = xmm_Di_1;
+}
+}
+if (((height) % 2) == 1) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(i) -= OPJ_Dc(i - 1);
+}
+}
+i = 0;
+if (i + 1 < dn) {
+__m128i xmm_Si_0 = *((const __m128i*)(tmp + 4 * 0));
+__m128i xmm_Si_1 = *((const __m128i*)(tmp + 4 * 1));
+const __m128i xmm_two = _mm_set1_epi32(2);
+for (; i + 1 < dn; i++) {
+__m128i xmm_Sip1_0 = *(const __m128i*)(tmp +
+(i + 1) * 2 * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Sip1_1 = *(const __m128i*)(tmp +
+(i + 1) * 2 * NB_ELTS_V8 + 4 * 1);
+__m128i xmm_Di_0 = *(const __m128i*)(tmp +
+(1 + i * 2) * NB_ELTS_V8 + 4 * 0);
+__m128i xmm_Di_1 = *(const __m128i*)(tmp +
+(1 + i * 2) * NB_ELTS_V8 + 4 * 1);
+xmm_Di_0 = _mm_add_epi32(xmm_Di_0,
+_mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(xmm_Si_0, xmm_Sip1_0), xmm_two), 2));
+xmm_Di_1 = _mm_add_epi32(xmm_Di_1,
+_mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(xmm_Si_1, xmm_Sip1_1), xmm_two), 2));
+*(__m128i*)(tmp + (1 + i * 2) * NB_ELTS_V8 + 4 * 0) = xmm_Di_0;
+*(__m128i*)(tmp + (1 + i * 2) * NB_ELTS_V8 + 4 * 1) = xmm_Di_1;
+xmm_Si_0 = xmm_Sip1_0;
+xmm_Si_1 = xmm_Sip1_1;
+}
+}
+if (((height) % 2) == 0) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Dc(i) += (OPJ_Sc(i) + OPJ_Sc(i) + 2) >> 2;
+}
+}
+}
+#else
+if (even) {
+OPJ_UINT32 c;
+if (height > 1) {
+OPJ_UINT32 i;
+for (i = 0; i + 1 < sn; i++) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Dc(i) -= (OPJ_Sc(i) + OPJ_Sc(i + 1)) >> 1;
+}
+}
+if (((height) % 2) == 0) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Dc(i) -= OPJ_Sc(i);
+}
+}
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(0) += (OPJ_Dc(0) + OPJ_Dc(0) + 2) >> 2;
+}
+for (i = 1; i < dn; i++) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(i) += (OPJ_Dc(i - 1) + OPJ_Dc(i) + 2) >> 2;
+}
+}
+if (((height) % 2) == 1) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(i) += (OPJ_Dc(i - 1) + OPJ_Dc(i - 1) + 2) >> 2;
+}
+}
+}
+} else {
+OPJ_UINT32 c;
+if (height == 1) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(0) *= 2;
+}
+} else {
+OPJ_UINT32 i;
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(0) -= OPJ_Dc(0);
+}
+for (i = 1; i < sn; i++) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(i) -= (OPJ_Dc(i) + OPJ_Dc(i - 1)) >> 1;
+}
+}
+if (((height) % 2) == 1) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Sc(i) -= OPJ_Dc(i - 1);
+}
+}
+for (i = 0; i + 1 < dn; i++) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Dc(i) += (OPJ_Sc(i) + OPJ_Sc(i + 1) + 2) >> 2;
+}
+}
+if (((height) % 2) == 0) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+OPJ_Dc(i) += (OPJ_Sc(i) + OPJ_Sc(i) + 2) >> 2;
+}
+}
+}
+}
+#endif
+if (cols == NB_ELTS_V8) {
+opj_dwt_deinterleave_v_cols(tmp, array, (OPJ_INT32)dn, (OPJ_INT32)sn,
+stride_width, even ? 0 : 1, NB_ELTS_V8);
+} else {
+opj_dwt_deinterleave_v_cols(tmp, array, (OPJ_INT32)dn, (OPJ_INT32)sn,
+stride_width, even ? 0 : 1, cols);
+}
+}
+static void opj_v8dwt_encode_step1(OPJ_FLOAT32* fw,
+OPJ_UINT32 end,
+const OPJ_FLOAT32 cst)
+{
+OPJ_UINT32 i;
+#ifdef __SSE__
+__m128* vw = (__m128*) fw;
+const __m128 vcst = _mm_set1_ps(cst);
+for (i = 0; i < end; ++i) {
+vw[0] = _mm_mul_ps(vw[0], vcst);
+vw[1] = _mm_mul_ps(vw[1], vcst);
+vw += 2 * (NB_ELTS_V8 * sizeof(OPJ_FLOAT32) / sizeof(__m128));
+}
+#else
+OPJ_UINT32 c;
+for (i = 0; i < end; ++i) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+fw[i * 2 * NB_ELTS_V8 + c] *= cst;
+}
+}
+#endif
+}
+static void opj_v8dwt_encode_step2(OPJ_FLOAT32* fl, OPJ_FLOAT32* fw,
+OPJ_UINT32 end,
+OPJ_UINT32 m,
+OPJ_FLOAT32 cst)
+{
+OPJ_UINT32 i;
+OPJ_UINT32 imax = opj_uint_min(end, m);
+#ifdef __SSE__
+__m128* vw = (__m128*) fw;
+__m128 vcst = _mm_set1_ps(cst);
+if (imax > 0) {
+__m128* vl = (__m128*) fl;
+vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(_mm_add_ps(vl[0], vw[0]), vcst));
+vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(_mm_add_ps(vl[1], vw[1]), vcst));
+vw += 2 * (NB_ELTS_V8 * sizeof(OPJ_FLOAT32) / sizeof(__m128));
+i = 1;
+for (; i < imax; ++i) {
+vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(_mm_add_ps(vw[-4], vw[0]), vcst));
+vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(_mm_add_ps(vw[-3], vw[1]), vcst));
+vw += 2 * (NB_ELTS_V8 * sizeof(OPJ_FLOAT32) / sizeof(__m128));
+}
+}
+if (m < end) {
+assert(m + 1 == end);
+vcst = _mm_add_ps(vcst, vcst);
+vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(vw[-4], vcst));
+vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(vw[-3], vcst));
+}
+#else
+OPJ_INT32 c;
+if (imax > 0) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+fw[-1 * NB_ELTS_V8 + c] += (fl[0 * NB_ELTS_V8 + c] + fw[0 * NB_ELTS_V8 + c]) *
+cst;
+}
+fw += 2 * NB_ELTS_V8;
+i = 1;
+for (; i < imax; ++i) {
+for (c = 0; c < NB_ELTS_V8; c++) {
+fw[-1 * NB_ELTS_V8 + c] += (fw[-2 * NB_ELTS_V8 + c] + fw[0 * NB_ELTS_V8 + c]) *
+cst;
+}
+fw += 2 * NB_ELTS_V8;
+}
+}
+if (m < end) {
+assert(m + 1 == end);
+for (c = 0; c < NB_ELTS_V8; c++) {
+fw[-1 * NB_ELTS_V8 + c] += (2 * fw[-2 * NB_ELTS_V8 + c]) * cst;
+}
+}
+#endif
+}
+/* Forward 9-7 transform, for the vertical pass, processing cols columns */
+/* where cols <= NB_ELTS_V8 */
+static void opj_dwt_encode_and_deinterleave_v_real(
+void *arrayIn,
+void *tmpIn,
+OPJ_UINT32 height,
+OPJ_BOOL even,
+OPJ_UINT32 stride_width,
+OPJ_UINT32 cols)
+{
+OPJ_FLOAT32* OPJ_RESTRICT array = (OPJ_FLOAT32 * OPJ_RESTRICT)arrayIn;
+OPJ_FLOAT32* OPJ_RESTRICT tmp = (OPJ_FLOAT32 * OPJ_RESTRICT)tmpIn;
+const OPJ_INT32 sn = (OPJ_INT32)((height + (even ? 1 : 0)) >> 1);
+const OPJ_INT32 dn = (OPJ_INT32)(height - (OPJ_UINT32)sn);
+OPJ_INT32 a, b;
+if (height == 1) {
+return;
+}
+opj_dwt_fetch_cols_vertical_pass(arrayIn, tmpIn, height, stride_width, cols);
+if (even) {
+a = 0;
+b = 1;
+} else {
+a = 1;
+b = 0;
+}
+opj_v8dwt_encode_step2(tmp + a * NB_ELTS_V8,
+tmp + (b + 1) * NB_ELTS_V8,
+(OPJ_UINT32)dn,
+(OPJ_UINT32)opj_int_min(dn, sn - b),
+opj_dwt_alpha);
+opj_v8dwt_encode_step2(tmp + b * NB_ELTS_V8,
+tmp + (a + 1) * NB_ELTS_V8,
+(OPJ_UINT32)sn,
+(OPJ_UINT32)opj_int_min(sn, dn - a),
+opj_dwt_beta);
+opj_v8dwt_encode_step2(tmp + a * NB_ELTS_V8,
+tmp + (b + 1) * NB_ELTS_V8,
+(OPJ_UINT32)dn,
+(OPJ_UINT32)opj_int_min(dn, sn - b),
+opj_dwt_gamma);
+opj_v8dwt_encode_step2(tmp + b * NB_ELTS_V8,
+tmp + (a + 1) * NB_ELTS_V8,
+(OPJ_UINT32)sn,
+(OPJ_UINT32)opj_int_min(sn, dn - a),
+opj_dwt_delta);
+opj_v8dwt_encode_step1(tmp + b * NB_ELTS_V8, (OPJ_UINT32)dn,
+opj_K);
+opj_v8dwt_encode_step1(tmp + a * NB_ELTS_V8, (OPJ_UINT32)sn,
+opj_invK);
+if (cols == NB_ELTS_V8) {
+opj_dwt_deinterleave_v_cols((OPJ_INT32*)tmp,
+(OPJ_INT32*)array,
+(OPJ_INT32)dn, (OPJ_INT32)sn,
+stride_width, even ? 0 : 1, NB_ELTS_V8);
+} else {
+opj_dwt_deinterleave_v_cols((OPJ_INT32*)tmp,
+(OPJ_INT32*)array,
+(OPJ_INT32)dn, (OPJ_INT32)sn,
+stride_width, even ? 0 : 1, cols);
+}
+}
+/* <summary>                            */
+/* Forward 5-3 wavelet transform in 2-D. */
+/* </summary>                           */
+static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_thread_pool_t* tp,
+opj_tcd_tilecomp_t * tilec,
+opj_encode_and_deinterleave_v_fnptr_type p_encode_and_deinterleave_v,
+opj_encode_and_deinterleave_h_one_row_fnptr_type
+p_encode_and_deinterleave_h_one_row)
+{
+OPJ_INT32 i;
+OPJ_INT32 *bj = 00;
+OPJ_UINT32 w;
+OPJ_INT32 l;
+OPJ_SIZE_T l_data_size;
+opj_tcd_resolution_t * l_cur_res = 0;
+opj_tcd_resolution_t * l_last_res = 0;
+const int num_threads = opj_thread_pool_get_thread_count(tp);
+OPJ_INT32 * OPJ_RESTRICT tiledp = tilec->data;
+w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
+l = (OPJ_INT32)tilec->numresolutions - 1;
+l_cur_res = tilec->resolutions + l;
+l_last_res = l_cur_res - 1;
+l_data_size = opj_dwt_max_resolution(tilec->resolutions, tilec->numresolutions);
+/* overflow check */
+if (l_data_size > (SIZE_MAX / (NB_ELTS_V8 * sizeof(OPJ_INT32)))) {
+/* FIXME event manager error callback */
+return OPJ_FALSE;
+}
+l_data_size *= NB_ELTS_V8 * sizeof(OPJ_INT32);
+bj = (OPJ_INT32*)opj_aligned_32_malloc(l_data_size);
+/* l_data_size is equal to 0 when numresolutions == 1 but bj is not used */
+/* in that case, so do not error out */
+if (l_data_size != 0 && ! bj) {
+return OPJ_FALSE;
+}
+i = l;
+while (i--) {
+OPJ_UINT32 j;
+OPJ_UINT32 rw;           /* width of the resolution level computed   */
+OPJ_UINT32 rh;           /* height of the resolution level computed  */
+OPJ_UINT32
+rw1;      /* width of the resolution level once lower than computed one                                       */
+OPJ_UINT32
+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  = (OPJ_UINT32)(l_cur_res->x1 - l_cur_res->x0);
+rh  = (OPJ_UINT32)(l_cur_res->y1 - l_cur_res->y0);
+rw1 = (OPJ_UINT32)(l_last_res->x1 - l_last_res->x0);
+rh1 = (OPJ_UINT32)(l_last_res->y1 - l_last_res->y0);
+cas_row = l_cur_res->x0 & 1;
+cas_col = l_cur_res->y0 & 1;
+sn = (OPJ_INT32)rh1;
+dn = (OPJ_INT32)(rh - rh1);
+/* Perform vertical pass */
+if (num_threads <= 1 || rw < 2 * NB_ELTS_V8) {
+for (j = 0; j + NB_ELTS_V8 - 1 < rw; j += NB_ELTS_V8) {
+p_encode_and_deinterleave_v(tiledp + j,
+bj,
+rh,
+cas_col == 0,
+w,
+NB_ELTS_V8);
+}
+if (j < rw) {
+p_encode_and_deinterleave_v(tiledp + j,
+bj,
+rh,
+cas_col == 0,
+w,
+rw - j);
+}
+}  else {
+OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
+OPJ_UINT32 step_j;
+if (rw < num_jobs) {
+num_jobs = rw;
+}
+step_j = ((rw / num_jobs) / NB_ELTS_V8) * NB_ELTS_V8;
+for (j = 0; j < num_jobs; j++) {
+opj_dwt_encode_v_job_t* job;
+job = (opj_dwt_encode_v_job_t*) opj_malloc(sizeof(opj_dwt_encode_v_job_t));
+if (!job) {
+opj_thread_pool_wait_completion(tp, 0);
+opj_aligned_free(bj);
+return OPJ_FALSE;
+}
+job->v.mem = (OPJ_INT32*)opj_aligned_32_malloc(l_data_size);
+if (!job->v.mem) {
+opj_thread_pool_wait_completion(tp, 0);
+opj_free(job);
+opj_aligned_free(bj);
+return OPJ_FALSE;
+}
+job->v.dn = dn;
+job->v.sn = sn;
+job->v.cas = cas_col;
+job->rh = rh;
+job->w = w;
+job->tiledp = tiledp;
+job->min_j = j * step_j;
+job->max_j = (j + 1 == num_jobs) ? rw : (j + 1) * step_j;
+job->p_encode_and_deinterleave_v = p_encode_and_deinterleave_v;
+opj_thread_pool_submit_job(tp, opj_dwt_encode_v_func, job);
+}
+opj_thread_pool_wait_completion(tp, 0);
+}
+sn = (OPJ_INT32)rw1;
+dn = (OPJ_INT32)(rw - rw1);
+/* Perform horizontal pass */
+if (num_threads <= 1 || rh <= 1) {
+for (j = 0; j < rh; j++) {
+OPJ_INT32* OPJ_RESTRICT aj = tiledp + j * w;
+(*p_encode_and_deinterleave_h_one_row)(aj, bj, rw,
+cas_row == 0 ? OPJ_TRUE : OPJ_FALSE);
+}
+}  else {
+OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
+OPJ_UINT32 step_j;
+if (rh < num_jobs) {
+num_jobs = rh;
+}
+step_j = (rh / num_jobs);
+for (j = 0; j < num_jobs; j++) {
+opj_dwt_encode_h_job_t* job;
+job = (opj_dwt_encode_h_job_t*) opj_malloc(sizeof(opj_dwt_encode_h_job_t));
+if (!job) {
+opj_thread_pool_wait_completion(tp, 0);
+opj_aligned_free(bj);
+return OPJ_FALSE;
+}
+job->h.mem = (OPJ_INT32*)opj_aligned_32_malloc(l_data_size);
+if (!job->h.mem) {
+opj_thread_pool_wait_completion(tp, 0);
+opj_free(job);
+opj_aligned_free(bj);
+return OPJ_FALSE;
+}
+job->h.dn = dn;
+job->h.sn = sn;
+job->h.cas = cas_row;
+job->rw = rw;
+job->w = w;
+job->tiledp = tiledp;
+job->min_j = j * step_j;
+job->max_j = (j + 1U) * step_j; /* this can overflow */
+if (j == (num_jobs - 1U)) {  /* this will take care of the overflow */
+job->max_j = rh;
+}
+job->p_function = p_encode_and_deinterleave_h_one_row;
+opj_thread_pool_submit_job(tp, opj_dwt_encode_h_func, job);
+}
+opj_thread_pool_wait_completion(tp, 0);
+}
+l_cur_res = l_last_res;
+--l_last_res;
+}
+opj_aligned_free(bj);
+return OPJ_TRUE;
+}
+/* Forward 5-3 wavelet transform in 2-D. */
+/* </summary>                           */
+OPJ_BOOL opj_dwt_encode(opj_tcd_t *p_tcd,
+opj_tcd_tilecomp_t * tilec)
+{
+return opj_dwt_encode_procedure(p_tcd->thread_pool, tilec,
+opj_dwt_encode_and_deinterleave_v,
+opj_dwt_encode_and_deinterleave_h_one_row);
+}
+/* <summary>                            */
+/* Inverse 5-3 wavelet transform in 2-D. */
+/* </summary>                           */
+OPJ_BOOL opj_dwt_decode(opj_tcd_t *p_tcd, opj_tcd_tilecomp_t* tilec,
+OPJ_UINT32 numres)
+{
+if (p_tcd->whole_tile_decoding) {
+return opj_dwt_decode_tile(p_tcd->thread_pool, tilec, numres);
+} else {
+return opj_dwt_decode_partial_tile(tilec, numres);
+}
+}
+/* <summary>                */
+/* Get norm of 5-3 wavelet. */
+/* </summary>               */
+OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient)
+{
+/* FIXME ! This is just a band-aid to avoid a buffer overflow */
+/* but the array should really be extended up to 33 resolution levels */
+/* See https://github.com/uclouvain/openjpeg/issues/493 */
+if (orient == 0 && level >= 10) {
+level = 9;
+} else if (orient > 0 && level >= 9) {
+level = 8;
+}
+return opj_dwt_norms[orient][level];
+}
+/* <summary>                             */
+/* Forward 9-7 wavelet transform in 2-D. */
+/* </summary>                            */
+OPJ_BOOL opj_dwt_encode_real(opj_tcd_t *p_tcd,
+opj_tcd_tilecomp_t * tilec)
+{
+return opj_dwt_encode_procedure(p_tcd->thread_pool, tilec,
+opj_dwt_encode_and_deinterleave_v_real,
+opj_dwt_encode_and_deinterleave_h_one_row_real);
+}
+/* <summary>                */
+/* Get norm of 9-7 wavelet. */
+/* </summary>               */
+OPJ_FLOAT64 opj_dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient)
+{
+/* FIXME ! This is just a band-aid to avoid a buffer overflow */
+/* but the array should really be extended up to 33 resolution levels */
+/* See https://github.com/uclouvain/openjpeg/issues/493 */
+if (orient == 0 && level >= 10) {
+level = 9;
+} else if (orient > 0 && level >= 9) {
+level = 8;
+}
+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_getnorm_real(level, orient);
+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>                            */
+static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* OPJ_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 ;
+}
+typedef struct {
+opj_dwt_t h;
+OPJ_UINT32 rw;
+OPJ_UINT32 w;
+OPJ_INT32 * OPJ_RESTRICT tiledp;
+OPJ_UINT32 min_j;
+OPJ_UINT32 max_j;
+} opj_dwt_decode_h_job_t;
+static void opj_dwt_decode_h_func(void* user_data, opj_tls_t* tls)
+{
+OPJ_UINT32 j;
+opj_dwt_decode_h_job_t* job;
+(void)tls;
+job = (opj_dwt_decode_h_job_t*)user_data;
+for (j = job->min_j; j < job->max_j; j++) {
+opj_idwt53_h(&job->h, &job->tiledp[j * job->w]);
+}
+opj_aligned_free(job->h.mem);
+opj_free(job);
+}
+typedef struct {
+opj_dwt_t v;
+OPJ_UINT32 rh;
+OPJ_UINT32 w;
+OPJ_INT32 * OPJ_RESTRICT tiledp;
+OPJ_UINT32 min_j;
+OPJ_UINT32 max_j;
+} opj_dwt_decode_v_job_t;
+static void opj_dwt_decode_v_func(void* user_data, opj_tls_t* tls)
+{
+OPJ_UINT32 j;
+opj_dwt_decode_v_job_t* job;
+(void)tls;
+job = (opj_dwt_decode_v_job_t*)user_data;
+for (j = job->min_j; j + PARALLEL_COLS_53 <= job->max_j;
+j += PARALLEL_COLS_53) {
+opj_idwt53_v(&job->v, &job->tiledp[j], (OPJ_SIZE_T)job->w,
+PARALLEL_COLS_53);
+}
+if (j < job->max_j)
+opj_idwt53_v(&job->v, &job->tiledp[j], (OPJ_SIZE_T)job->w,
+(OPJ_INT32)(job->max_j - j));
+opj_aligned_free(job->v.mem);
+opj_free(job);
+}
+/* <summary>                            */
+/* Inverse wavelet transform in 2-D.    */
+/* </summary>                           */
+static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp,
+opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres)
+{
+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->resolutions[tilec->minimum_num_resolutions -
+1].x1 -
+tilec->resolutions[tilec->minimum_num_resolutions - 1].x0);
+OPJ_SIZE_T h_mem_size;
+int num_threads;
+/* Not entirely sure for the return code of w == 0 which is triggered per */
+/* https://github.com/uclouvain/openjpeg/issues/1505 */
+if (numres == 1U || w == 0) {
+return OPJ_TRUE;
+}
+num_threads = opj_thread_pool_get_thread_count(tp);
+h_mem_size = opj_dwt_max_resolution(tr, numres);
+/* overflow check */
+if (h_mem_size > (SIZE_MAX / PARALLEL_COLS_53 / sizeof(OPJ_INT32))) {
+/* FIXME event manager error callback */
+return OPJ_FALSE;
+}
+/* We need PARALLEL_COLS_53 times the height of the array, */
+/* since for the vertical pass */
+/* we process PARALLEL_COLS_53 columns at a time */
+h_mem_size *= PARALLEL_COLS_53 * sizeof(OPJ_INT32);
+h.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
+if (! h.mem) {
+/* FIXME event manager error callback */
+return OPJ_FALSE;
+}
+v.mem = h.mem;
+while (--numres) {
+OPJ_INT32 * OPJ_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;
+if (num_threads <= 1 || rh <= 1) {
+for (j = 0; j < rh; ++j) {
+opj_idwt53_h(&h, &tiledp[(OPJ_SIZE_T)j * w]);
+}
+} else {
+OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
+OPJ_UINT32 step_j;
+if (rh < num_jobs) {
+num_jobs = rh;
+}
+step_j = (rh / num_jobs);
+for (j = 0; j < num_jobs; j++) {
+opj_dwt_decode_h_job_t* job;
+job = (opj_dwt_decode_h_job_t*) opj_malloc(sizeof(opj_dwt_decode_h_job_t));
+if (!job) {
+/* It would be nice to fallback to single thread case, but */
+/* unfortunately some jobs may be launched and have modified */
+/* tiledp, so it is not practical to recover from that error */
+/* FIXME event manager error callback */
+opj_thread_pool_wait_completion(tp, 0);
+opj_aligned_free(h.mem);
+return OPJ_FALSE;
+}
+job->h = h;
+job->rw = rw;
+job->w = w;
+job->tiledp = tiledp;
+job->min_j = j * step_j;
+job->max_j = (j + 1U) * step_j; /* this can overflow */
+if (j == (num_jobs - 1U)) {  /* this will take care of the overflow */
+job->max_j = rh;
+}
+job->h.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
+if (!job->h.mem) {
+/* FIXME event manager error callback */
+opj_thread_pool_wait_completion(tp, 0);
+opj_free(job);
+opj_aligned_free(h.mem);
+return OPJ_FALSE;
+}
+opj_thread_pool_submit_job(tp, opj_dwt_decode_h_func, job);
+}
+opj_thread_pool_wait_completion(tp, 0);
+}
+v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
+v.cas = tr->y0 % 2;
+if (num_threads <= 1 || rw <= 1) {
+for (j = 0; j + PARALLEL_COLS_53 <= rw;
+j += PARALLEL_COLS_53) {
+opj_idwt53_v(&v, &tiledp[j], (OPJ_SIZE_T)w, PARALLEL_COLS_53);
+}
+if (j < rw) {
+opj_idwt53_v(&v, &tiledp[j], (OPJ_SIZE_T)w, (OPJ_INT32)(rw - j));
+}
+} else {
+OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
+OPJ_UINT32 step_j;
+if (rw < num_jobs) {
+num_jobs = rw;
+}
+step_j = (rw / num_jobs);
+for (j = 0; j < num_jobs; j++) {
+opj_dwt_decode_v_job_t* job;
+job = (opj_dwt_decode_v_job_t*) opj_malloc(sizeof(opj_dwt_decode_v_job_t));
+if (!job) {
+/* It would be nice to fallback to single thread case, but */
+/* unfortunately some jobs may be launched and have modified */
+/* tiledp, so it is not practical to recover from that error */
+/* FIXME event manager error callback */
+opj_thread_pool_wait_completion(tp, 0);
+opj_aligned_free(v.mem);
+return OPJ_FALSE;
+}
+job->v = v;
+job->rh = rh;
+job->w = w;
+job->tiledp = tiledp;
+job->min_j = j * step_j;
+job->max_j = (j + 1U) * step_j; /* this can overflow */
+if (j == (num_jobs - 1U)) {  /* this will take care of the overflow */
+job->max_j = rw;
+}
+job->v.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
+if (!job->v.mem) {
+/* FIXME event manager error callback */
+opj_thread_pool_wait_completion(tp, 0);
+opj_free(job);
+opj_aligned_free(v.mem);
+return OPJ_FALSE;
+}
+opj_thread_pool_submit_job(tp, opj_dwt_decode_v_func, job);
+}
+opj_thread_pool_wait_completion(tp, 0);
+}
+}
+opj_aligned_free(h.mem);
+return OPJ_TRUE;
+}
+static void opj_dwt_interleave_partial_h(OPJ_INT32 *dest,
+OPJ_INT32 cas,
+opj_sparse_array_int32_t* sa,
+OPJ_UINT32 sa_line,
+OPJ_UINT32 sn,
+OPJ_UINT32 win_l_x0,
+OPJ_UINT32 win_l_x1,
+OPJ_UINT32 win_h_x0,
+OPJ_UINT32 win_h_x1)
+{
+OPJ_BOOL ret;
+ret = opj_sparse_array_int32_read(sa,
+win_l_x0, sa_line,
+win_l_x1, sa_line + 1,
+dest + cas + 2 * win_l_x0,
+2, 0, OPJ_TRUE);
+assert(ret);
+ret = opj_sparse_array_int32_read(sa,
+sn + win_h_x0, sa_line,
+sn + win_h_x1, sa_line + 1,
+dest + 1 - cas + 2 * win_h_x0,
+2, 0, OPJ_TRUE);
+assert(ret);
+OPJ_UNUSED(ret);
+}
+static void opj_dwt_interleave_partial_v(OPJ_INT32 *dest,
+OPJ_INT32 cas,
+opj_sparse_array_int32_t* sa,
+OPJ_UINT32 sa_col,
+OPJ_UINT32 nb_cols,
+OPJ_UINT32 sn,
+OPJ_UINT32 win_l_y0,
+OPJ_UINT32 win_l_y1,
+OPJ_UINT32 win_h_y0,
+OPJ_UINT32 win_h_y1)
+{
+OPJ_BOOL ret;
+ret  = opj_sparse_array_int32_read(sa,
+sa_col, win_l_y0,
+sa_col + nb_cols, win_l_y1,
+dest + cas * 4 + 2 * 4 * win_l_y0,
+1, 2 * 4, OPJ_TRUE);
+assert(ret);
+ret = opj_sparse_array_int32_read(sa,
+sa_col, sn + win_h_y0,
+sa_col + nb_cols, sn + win_h_y1,
+dest + (1 - cas) * 4 + 2 * 4 * win_h_y0,
+1, 2 * 4, OPJ_TRUE);
+assert(ret);
+OPJ_UNUSED(ret);
+}
+static void opj_dwt_decode_partial_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
+OPJ_INT32 cas,
+OPJ_INT32 win_l_x0,
+OPJ_INT32 win_l_x1,
+OPJ_INT32 win_h_x0,
+OPJ_INT32 win_h_x1)
+{
+OPJ_INT32 i;
+if (!cas) {
+if ((dn > 0) || (sn > 1)) { /* NEW :  CASE ONE ELEMENT */
+/* Naive version is :
+for (i = win_l_x0; i < i_max; i++) {
+OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
+}
+for (i = win_h_x0; i < win_h_x1; i++) {
+OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
+}
+but the compiler doesn't manage to unroll it to avoid bound
+checking in OPJ_S_ and OPJ_D_ macros
+*/
+i = win_l_x0;
+if (i < win_l_x1) {
+OPJ_INT32 i_max;
+/* Left-most case */
+OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
+i ++;
+i_max = win_l_x1;
+if (i_max > dn) {
+i_max = dn;
+}
+for (; i < i_max; i++) {
+/* No bound checking */
+OPJ_S(i) -= (OPJ_D(i - 1) + OPJ_D(i) + 2) >> 2;
+}
+for (; i < win_l_x1; i++) {
+/* Right-most case */
+OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
+}
+}
+i = win_h_x0;
+if (i < win_h_x1) {
+OPJ_INT32 i_max = win_h_x1;
+if (i_max >= sn) {
+i_max = sn - 1;
+}
+for (; i < i_max; i++) {
+/* No bound checking */
+OPJ_D(i) += (OPJ_S(i) + OPJ_S(i + 1)) >> 1;
+}
+for (; i < win_h_x1; i++) {
+/* Right-most case */
+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 = win_l_x0; i < win_l_x1; i++) {
+OPJ_D(i) = opj_int_sub_no_overflow(OPJ_D(i),
+opj_int_add_no_overflow(opj_int_add_no_overflow(OPJ_SS_(i), OPJ_SS_(i + 1)),
+2) >> 2);
+}
+for (i = win_h_x0; i < win_h_x1; i++) {
+OPJ_S(i) = opj_int_add_no_overflow(OPJ_S(i),
+opj_int_add_no_overflow(OPJ_DD_(i), OPJ_DD_(i - 1)) >> 1);
+}
+}
+}
+}
+#define OPJ_S_off(i,off) a[(OPJ_UINT32)(i)*2*4+off]
+#define OPJ_D_off(i,off) a[(1+(OPJ_UINT32)(i)*2)*4+off]
+#define OPJ_S__off(i,off) ((i)<0?OPJ_S_off(0,off):((i)>=sn?OPJ_S_off(sn-1,off):OPJ_S_off(i,off)))
+#define OPJ_D__off(i,off) ((i)<0?OPJ_D_off(0,off):((i)>=dn?OPJ_D_off(dn-1,off):OPJ_D_off(i,off)))
+#define OPJ_SS__off(i,off) ((i)<0?OPJ_S_off(0,off):((i)>=dn?OPJ_S_off(dn-1,off):OPJ_S_off(i,off)))
+#define OPJ_DD__off(i,off) ((i)<0?OPJ_D_off(0,off):((i)>=sn?OPJ_D_off(sn-1,off):OPJ_D_off(i,off)))
+static void opj_dwt_decode_partial_1_parallel(OPJ_INT32 *a,
+OPJ_UINT32 nb_cols,
+OPJ_INT32 dn, OPJ_INT32 sn,
+OPJ_INT32 cas,
+OPJ_INT32 win_l_x0,
+OPJ_INT32 win_l_x1,
+OPJ_INT32 win_h_x0,
+OPJ_INT32 win_h_x1)
+{
+OPJ_INT32 i;
+OPJ_UINT32 off;
+(void)nb_cols;
+if (!cas) {
+if ((dn > 0) || (sn > 1)) { /* NEW :  CASE ONE ELEMENT */
+/* Naive version is :
+for (i = win_l_x0; i < i_max; i++) {
+OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
+}
+for (i = win_h_x0; i < win_h_x1; i++) {
+OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
+}
+but the compiler doesn't manage to unroll it to avoid bound
+checking in OPJ_S_ and OPJ_D_ macros
+*/
+i = win_l_x0;
+if (i < win_l_x1) {
+OPJ_INT32 i_max;
+/* Left-most case */
+for (off = 0; off < 4; off++) {
+OPJ_S_off(i, off) -= (OPJ_D__off(i - 1, off) + OPJ_D__off(i, off) + 2) >> 2;
+}
+i ++;
+i_max = win_l_x1;
+if (i_max > dn) {
+i_max = dn;
+}
+#ifdef __SSE2__
+if (i + 1 < i_max) {
+const __m128i two = _mm_set1_epi32(2);
+__m128i Dm1 = _mm_load_si128((__m128i * const)(a + 4 + (i - 1) * 8));
+for (; i + 1 < i_max; i += 2) {
+/* No bound checking */
+__m128i S = _mm_load_si128((__m128i * const)(a + i * 8));
+__m128i D = _mm_load_si128((__m128i * const)(a + 4 + i * 8));
+__m128i S1 = _mm_load_si128((__m128i * const)(a + (i + 1) * 8));
+__m128i D1 = _mm_load_si128((__m128i * const)(a + 4 + (i + 1) * 8));
+S = _mm_sub_epi32(S,
+_mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(Dm1, D), two), 2));
+S1 = _mm_sub_epi32(S1,
+_mm_srai_epi32(_mm_add_epi32(_mm_add_epi32(D, D1), two), 2));
+_mm_store_si128((__m128i*)(a + i * 8), S);
+_mm_store_si128((__m128i*)(a + (i + 1) * 8), S1);
+Dm1 = D1;
+}
+}
+#endif
+for (; i < i_max; i++) {
+/* No bound checking */
+for (off = 0; off < 4; off++) {
+OPJ_S_off(i, off) -= (OPJ_D_off(i - 1, off) + OPJ_D_off(i, off) + 2) >> 2;
+}
+}
+for (; i < win_l_x1; i++) {
+/* Right-most case */
+for (off = 0; off < 4; off++) {
+OPJ_S_off(i, off) -= (OPJ_D__off(i - 1, off) + OPJ_D__off(i, off) + 2) >> 2;
+}
+}
+}
+i = win_h_x0;
+if (i < win_h_x1) {
+OPJ_INT32 i_max = win_h_x1;
+if (i_max >= sn) {
+i_max = sn - 1;
+}
+#ifdef __SSE2__
+if (i + 1 < i_max) {
+__m128i S =  _mm_load_si128((__m128i * const)(a + i * 8));
+for (; i + 1 < i_max; i += 2) {
+/* No bound checking */
+__m128i D = _mm_load_si128((__m128i * const)(a + 4 + i * 8));
+__m128i S1 = _mm_load_si128((__m128i * const)(a + (i + 1) * 8));
+__m128i D1 = _mm_load_si128((__m128i * const)(a + 4 + (i + 1) * 8));
+__m128i S2 = _mm_load_si128((__m128i * const)(a + (i + 2) * 8));
+D = _mm_add_epi32(D, _mm_srai_epi32(_mm_add_epi32(S, S1), 1));
+D1 = _mm_add_epi32(D1, _mm_srai_epi32(_mm_add_epi32(S1, S2), 1));
+_mm_store_si128((__m128i*)(a + 4 + i * 8), D);
+_mm_store_si128((__m128i*)(a + 4 + (i + 1) * 8), D1);
+S = S2;
+}
+}
+#endif
+for (; i < i_max; i++) {
+/* No bound checking */
+for (off = 0; off < 4; off++) {
+OPJ_D_off(i, off) += (OPJ_S_off(i, off) + OPJ_S_off(i + 1, off)) >> 1;
+}
+}
+for (; i < win_h_x1; i++) {
+/* Right-most case */
+for (off = 0; off < 4; off++) {
+OPJ_D_off(i, off) += (OPJ_S__off(i, off) + OPJ_S__off(i + 1, off)) >> 1;
+}
+}
+}
+}
+} else {
+if (!sn  && dn == 1) {        /* NEW :  CASE ONE ELEMENT */
+for (off = 0; off < 4; off++) {
+OPJ_S_off(0, off) /= 2;
+}
+} else {
+for (i = win_l_x0; i < win_l_x1; i++) {
+for (off = 0; off < 4; off++) {
+OPJ_D_off(i, off) = opj_int_sub_no_overflow(
+OPJ_D_off(i, off),
+opj_int_add_no_overflow(
+opj_int_add_no_overflow(OPJ_SS__off(i, off), OPJ_SS__off(i + 1, off)), 2) >> 2);
+}
+}
+for (i = win_h_x0; i < win_h_x1; i++) {
+for (off = 0; off < 4; off++) {
+OPJ_S_off(i, off) = opj_int_add_no_overflow(
+OPJ_S_off(i, off),
+opj_int_add_no_overflow(OPJ_DD__off(i, off), OPJ_DD__off(i - 1, off)) >> 1);
+}
+}
+}
+}
+}
+static void opj_dwt_get_band_coordinates(opj_tcd_tilecomp_t* tilec,
+OPJ_UINT32 resno,
+OPJ_UINT32 bandno,
+OPJ_UINT32 tcx0,
+OPJ_UINT32 tcy0,
+OPJ_UINT32 tcx1,
+OPJ_UINT32 tcy1,
+OPJ_UINT32* tbx0,
+OPJ_UINT32* tby0,
+OPJ_UINT32* tbx1,
+OPJ_UINT32* tby1)
+{
+/* Compute number of decomposition for this band. See table F-1 */
+OPJ_UINT32 nb = (resno == 0) ?
+tilec->numresolutions - 1 :
+tilec->numresolutions - resno;
+/* Map above tile-based coordinates to sub-band-based coordinates per */
+/* equation B-15 of the standard */
+OPJ_UINT32 x0b = bandno & 1;
+OPJ_UINT32 y0b = bandno >> 1;
+if (tbx0) {
+*tbx0 = (nb == 0) ? tcx0 :
+(tcx0 <= (1U << (nb - 1)) * x0b) ? 0 :
+opj_uint_ceildivpow2(tcx0 - (1U << (nb - 1)) * x0b, nb);
+}
+if (tby0) {
+*tby0 = (nb == 0) ? tcy0 :
+(tcy0 <= (1U << (nb - 1)) * y0b) ? 0 :
+opj_uint_ceildivpow2(tcy0 - (1U << (nb - 1)) * y0b, nb);
+}
+if (tbx1) {
+*tbx1 = (nb == 0) ? tcx1 :
+(tcx1 <= (1U << (nb - 1)) * x0b) ? 0 :
+opj_uint_ceildivpow2(tcx1 - (1U << (nb - 1)) * x0b, nb);
+}
+if (tby1) {
+*tby1 = (nb == 0) ? tcy1 :
+(tcy1 <= (1U << (nb - 1)) * y0b) ? 0 :
+opj_uint_ceildivpow2(tcy1 - (1U << (nb - 1)) * y0b, nb);
+}
+}
+static void opj_dwt_segment_grow(OPJ_UINT32 filter_width,
+OPJ_UINT32 max_size,
+OPJ_UINT32* start,
+OPJ_UINT32* end)
+{
+*start = opj_uint_subs(*start, filter_width);
+*end = opj_uint_adds(*end, filter_width);
+*end = opj_uint_min(*end, max_size);
+}
+static opj_sparse_array_int32_t* opj_dwt_init_sparse_array(
+opj_tcd_tilecomp_t* tilec,
+OPJ_UINT32 numres)
+{
+opj_tcd_resolution_t* tr_max = &(tilec->resolutions[numres - 1]);
+OPJ_UINT32 w = (OPJ_UINT32)(tr_max->x1 - tr_max->x0);
+OPJ_UINT32 h = (OPJ_UINT32)(tr_max->y1 - tr_max->y0);
+OPJ_UINT32 resno, bandno, precno, cblkno;
+opj_sparse_array_int32_t* sa = opj_sparse_array_int32_create(
+w, h, opj_uint_min(w, 64), opj_uint_min(h, 64));
+if (sa == NULL) {
+return NULL;
+}
+for (resno = 0; resno < numres; ++resno) {
+opj_tcd_resolution_t* res = &tilec->resolutions[resno];
+for (bandno = 0; bandno < res->numbands; ++bandno) {
+opj_tcd_band_t* band = &res->bands[bandno];
+for (precno = 0; precno < res->pw * res->ph; ++precno) {
+opj_tcd_precinct_t* precinct = &band->precincts[precno];
+for (cblkno = 0; cblkno < precinct->cw * precinct->ch; ++cblkno) {
+opj_tcd_cblk_dec_t* cblk = &precinct->cblks.dec[cblkno];
+if (cblk->decoded_data != NULL) {
+OPJ_UINT32 x = (OPJ_UINT32)(cblk->x0 - band->x0);
+OPJ_UINT32 y = (OPJ_UINT32)(cblk->y0 - band->y0);
+OPJ_UINT32 cblk_w = (OPJ_UINT32)(cblk->x1 - cblk->x0);
+OPJ_UINT32 cblk_h = (OPJ_UINT32)(cblk->y1 - cblk->y0);
+if (band->bandno & 1) {
+opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
+x += (OPJ_UINT32)(pres->x1 - pres->x0);
+}
+if (band->bandno & 2) {
+opj_tcd_resolution_t* pres = &tilec->resolutions[resno - 1];
+y += (OPJ_UINT32)(pres->y1 - pres->y0);
+}
+if (!opj_sparse_array_int32_write(sa, x, y,
+x + cblk_w, y + cblk_h,
+cblk->decoded_data,
+1, cblk_w, OPJ_TRUE)) {
+opj_sparse_array_int32_free(sa);
+return NULL;
+}
+}
+}
+}
+}
+}
+return sa;
+}
+static OPJ_BOOL opj_dwt_decode_partial_tile(
+opj_tcd_tilecomp_t* tilec,
+OPJ_UINT32 numres)
+{
+opj_sparse_array_int32_t* sa;
+opj_dwt_t h;
+opj_dwt_t v;
+OPJ_UINT32 resno;
+/* This value matches the maximum left/right extension given in tables */
+/* F.2 and F.3 of the standard. */
+const OPJ_UINT32 filter_width = 2U;
+opj_tcd_resolution_t* tr = tilec->resolutions;
+opj_tcd_resolution_t* tr_max = &(tilec->resolutions[numres - 1]);
+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_SIZE_T h_mem_size;
+/* Compute the intersection of the area of interest, expressed in tile coordinates */
+/* with the tile coordinates */
+OPJ_UINT32 win_tcx0 = tilec->win_x0;
+OPJ_UINT32 win_tcy0 = tilec->win_y0;
+OPJ_UINT32 win_tcx1 = tilec->win_x1;
+OPJ_UINT32 win_tcy1 = tilec->win_y1;
+if (tr_max->x0 == tr_max->x1 || tr_max->y0 == tr_max->y1) {
+return OPJ_TRUE;
+}
+sa = opj_dwt_init_sparse_array(tilec, numres);
+if (sa == NULL) {
+return OPJ_FALSE;
+}
+if (numres == 1U) {
+OPJ_BOOL ret = opj_sparse_array_int32_read(sa,
+tr_max->win_x0 - (OPJ_UINT32)tr_max->x0,
+tr_max->win_y0 - (OPJ_UINT32)tr_max->y0,
+tr_max->win_x1 - (OPJ_UINT32)tr_max->x0,
+tr_max->win_y1 - (OPJ_UINT32)tr_max->y0,
+tilec->data_win,
+1, tr_max->win_x1 - tr_max->win_x0,
+OPJ_TRUE);
+assert(ret);
+OPJ_UNUSED(ret);
+opj_sparse_array_int32_free(sa);
+return OPJ_TRUE;
+}
+h_mem_size = opj_dwt_max_resolution(tr, numres);
+/* overflow check */
+/* in vertical pass, we process 4 columns at a time */
+if (h_mem_size > (SIZE_MAX / (4 * sizeof(OPJ_INT32)))) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+return OPJ_FALSE;
+}
+h_mem_size *= 4 * sizeof(OPJ_INT32);
+h.mem = (OPJ_INT32*)opj_aligned_32_malloc(h_mem_size);
+if (! h.mem) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+return OPJ_FALSE;
+}
+v.mem = h.mem;
+for (resno = 1; resno < numres; resno ++) {
+OPJ_UINT32 i, j;
+/* Window of interest subband-based coordinates */
+OPJ_UINT32 win_ll_x0, win_ll_y0, win_ll_x1, win_ll_y1;
+OPJ_UINT32 win_hl_x0, win_hl_x1;
+OPJ_UINT32 win_lh_y0, win_lh_y1;
+/* Window of interest tile-resolution-based coordinates */
+OPJ_UINT32 win_tr_x0, win_tr_x1, win_tr_y0, win_tr_y1;
+/* Tile-resolution subband-based coordinates */
+OPJ_UINT32 tr_ll_x0, tr_ll_y0, tr_hl_x0, tr_lh_y0;
+++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;
+v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
+v.cas = tr->y0 % 2;
+/* Get the subband coordinates for the window of interest */
+/* LL band */
+opj_dwt_get_band_coordinates(tilec, resno, 0,
+win_tcx0, win_tcy0, win_tcx1, win_tcy1,
+&win_ll_x0, &win_ll_y0,
+&win_ll_x1, &win_ll_y1);
+/* HL band */
+opj_dwt_get_band_coordinates(tilec, resno, 1,
+win_tcx0, win_tcy0, win_tcx1, win_tcy1,
+&win_hl_x0, NULL, &win_hl_x1, NULL);
+/* LH band */
+opj_dwt_get_band_coordinates(tilec, resno, 2,
+win_tcx0, win_tcy0, win_tcx1, win_tcy1,
+NULL, &win_lh_y0, NULL, &win_lh_y1);
+/* Beware: band index for non-LL0 resolution are 0=HL, 1=LH and 2=HH */
+tr_ll_x0 = (OPJ_UINT32)tr->bands[1].x0;
+tr_ll_y0 = (OPJ_UINT32)tr->bands[0].y0;
+tr_hl_x0 = (OPJ_UINT32)tr->bands[0].x0;
+tr_lh_y0 = (OPJ_UINT32)tr->bands[1].y0;
+/* Subtract the origin of the bands for this tile, to the subwindow */
+/* of interest band coordinates, so as to get them relative to the */
+/* tile */
+win_ll_x0 = opj_uint_subs(win_ll_x0, tr_ll_x0);
+win_ll_y0 = opj_uint_subs(win_ll_y0, tr_ll_y0);
+win_ll_x1 = opj_uint_subs(win_ll_x1, tr_ll_x0);
+win_ll_y1 = opj_uint_subs(win_ll_y1, tr_ll_y0);
+win_hl_x0 = opj_uint_subs(win_hl_x0, tr_hl_x0);
+win_hl_x1 = opj_uint_subs(win_hl_x1, tr_hl_x0);
+win_lh_y0 = opj_uint_subs(win_lh_y0, tr_lh_y0);
+win_lh_y1 = opj_uint_subs(win_lh_y1, tr_lh_y0);
+opj_dwt_segment_grow(filter_width, (OPJ_UINT32)h.sn, &win_ll_x0, &win_ll_x1);
+opj_dwt_segment_grow(filter_width, (OPJ_UINT32)h.dn, &win_hl_x0, &win_hl_x1);
+opj_dwt_segment_grow(filter_width, (OPJ_UINT32)v.sn, &win_ll_y0, &win_ll_y1);
+opj_dwt_segment_grow(filter_width, (OPJ_UINT32)v.dn, &win_lh_y0, &win_lh_y1);
+/* Compute the tile-resolution-based coordinates for the window of interest */
+if (h.cas == 0) {
+win_tr_x0 = opj_uint_min(2 * win_ll_x0, 2 * win_hl_x0 + 1);
+win_tr_x1 = opj_uint_min(opj_uint_max(2 * win_ll_x1, 2 * win_hl_x1 + 1), rw);
+} else {
+win_tr_x0 = opj_uint_min(2 * win_hl_x0, 2 * win_ll_x0 + 1);
+win_tr_x1 = opj_uint_min(opj_uint_max(2 * win_hl_x1, 2 * win_ll_x1 + 1), rw);
+}
+if (v.cas == 0) {
+win_tr_y0 = opj_uint_min(2 * win_ll_y0, 2 * win_lh_y0 + 1);
+win_tr_y1 = opj_uint_min(opj_uint_max(2 * win_ll_y1, 2 * win_lh_y1 + 1), rh);
+} else {
+win_tr_y0 = opj_uint_min(2 * win_lh_y0, 2 * win_ll_y0 + 1);
+win_tr_y1 = opj_uint_min(opj_uint_max(2 * win_lh_y1, 2 * win_ll_y1 + 1), rh);
+}
+for (j = 0; j < rh; ++j) {
+if ((j >= win_ll_y0 && j < win_ll_y1) ||
+(j >= win_lh_y0 + (OPJ_UINT32)v.sn && j < win_lh_y1 + (OPJ_UINT32)v.sn)) {
+/* Avoids dwt.c:1584:44 (in opj_dwt_decode_partial_1): runtime error: */
+/* signed integer overflow: -1094795586 + -1094795586 cannot be represented in type 'int' */
+/* on opj_decompress -i  ../../openjpeg/MAPA.jp2 -o out.tif -d 0,0,256,256 */
+/* This is less extreme than memsetting the whole buffer to 0 */
+/* although we could potentially do better with better handling of edge conditions */
+if (win_tr_x1 >= 1 && win_tr_x1 < rw) {
+h.mem[win_tr_x1 - 1] = 0;
+}
+if (win_tr_x1 < rw) {
+h.mem[win_tr_x1] = 0;
+}
+opj_dwt_interleave_partial_h(h.mem,
+h.cas,
+sa,
+j,
+(OPJ_UINT32)h.sn,
+win_ll_x0,
+win_ll_x1,
+win_hl_x0,
+win_hl_x1);
+opj_dwt_decode_partial_1(h.mem, h.dn, h.sn, h.cas,
+(OPJ_INT32)win_ll_x0,
+(OPJ_INT32)win_ll_x1,
+(OPJ_INT32)win_hl_x0,
+(OPJ_INT32)win_hl_x1);
+if (!opj_sparse_array_int32_write(sa,
+win_tr_x0, j,
+win_tr_x1, j + 1,
+h.mem + win_tr_x0,
+1, 0, OPJ_TRUE)) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+opj_aligned_free(h.mem);
+return OPJ_FALSE;
+}
+}
+}
+for (i = win_tr_x0; i < win_tr_x1;) {
+OPJ_UINT32 nb_cols = opj_uint_min(4U, win_tr_x1 - i);
+opj_dwt_interleave_partial_v(v.mem,
+v.cas,
+sa,
+i,
+nb_cols,
+(OPJ_UINT32)v.sn,
+win_ll_y0,
+win_ll_y1,
+win_lh_y0,
+win_lh_y1);
+opj_dwt_decode_partial_1_parallel(v.mem, nb_cols, v.dn, v.sn, v.cas,
+(OPJ_INT32)win_ll_y0,
+(OPJ_INT32)win_ll_y1,
+(OPJ_INT32)win_lh_y0,
+(OPJ_INT32)win_lh_y1);
+if (!opj_sparse_array_int32_write(sa,
+i, win_tr_y0,
+i + nb_cols, win_tr_y1,
+v.mem + 4 * win_tr_y0,
+1, 4, OPJ_TRUE)) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+opj_aligned_free(h.mem);
+return OPJ_FALSE;
+}
+i += nb_cols;
+}
+}
+opj_aligned_free(h.mem);
+{
+OPJ_BOOL ret = opj_sparse_array_int32_read(sa,
+tr_max->win_x0 - (OPJ_UINT32)tr_max->x0,
+tr_max->win_y0 - (OPJ_UINT32)tr_max->y0,
+tr_max->win_x1 - (OPJ_UINT32)tr_max->x0,
+tr_max->win_y1 - (OPJ_UINT32)tr_max->y0,
+tilec->data_win,
+1, tr_max->win_x1 - tr_max->win_x0,
+OPJ_TRUE);
+assert(ret);
+OPJ_UNUSED(ret);
+}
+opj_sparse_array_int32_free(sa);
+return OPJ_TRUE;
+}
+static void opj_v8dwt_interleave_h(opj_v8dwt_t* OPJ_RESTRICT dwt,
+OPJ_FLOAT32* OPJ_RESTRICT a,
+OPJ_UINT32 width,
+OPJ_UINT32 remaining_height)
+{
+OPJ_FLOAT32* OPJ_RESTRICT bi = (OPJ_FLOAT32*)(dwt->wavelet + dwt->cas);
+OPJ_UINT32 i, k;
+OPJ_UINT32 x0 = dwt->win_l_x0;
+OPJ_UINT32 x1 = dwt->win_l_x1;
+for (k = 0; k < 2; ++k) {
+if (remaining_height >= NB_ELTS_V8 && ((OPJ_SIZE_T) a & 0x0f) == 0 &&
+((OPJ_SIZE_T) bi & 0x0f) == 0) {
+/* Fast code path */
+for (i = x0; i < x1; ++i) {
+OPJ_UINT32 j = i;
+OPJ_FLOAT32* OPJ_RESTRICT dst = bi + i * 2 * NB_ELTS_V8;
+dst[0] = a[j];
+j += width;
+dst[1] = a[j];
+j += width;
+dst[2] = a[j];
+j += width;
+dst[3] = a[j];
+j += width;
+dst[4] = a[j];
+j += width;
+dst[5] = a[j];
+j += width;
+dst[6] = a[j];
+j += width;
+dst[7] = a[j];
+}
+} else {
+/* Slow code path */
+for (i = x0; i < x1; ++i) {
+OPJ_UINT32 j = i;
+OPJ_FLOAT32* OPJ_RESTRICT dst = bi + i * 2 * NB_ELTS_V8;
+dst[0] = a[j];
+j += width;
+if (remaining_height == 1) {
+continue;
+}
+dst[1] = a[j];
+j += width;
+if (remaining_height == 2) {
+continue;
+}
+dst[2] = a[j];
+j += width;
+if (remaining_height == 3) {
+continue;
+}
+dst[3] = a[j];
+j += width;
+if (remaining_height == 4) {
+continue;
+}
+dst[4] = a[j];
+j += width;
+if (remaining_height == 5) {
+continue;
+}
+dst[5] = a[j];
+j += width;
+if (remaining_height == 6) {
+continue;
+}
+dst[6] = a[j];
+j += width;
+if (remaining_height == 7) {
+continue;
+}
+dst[7] = a[j];
+}
+}
+bi = (OPJ_FLOAT32*)(dwt->wavelet + 1 - dwt->cas);
+a += dwt->sn;
+x0 = dwt->win_h_x0;
+x1 = dwt->win_h_x1;
+}
+}
+static void opj_v8dwt_interleave_partial_h(opj_v8dwt_t* dwt,
+opj_sparse_array_int32_t* sa,
+OPJ_UINT32 sa_line,
+OPJ_UINT32 remaining_height)
+{
+OPJ_UINT32 i;
+for (i = 0; i < remaining_height; i++) {
+OPJ_BOOL ret;
+ret = opj_sparse_array_int32_read(sa,
+dwt->win_l_x0, sa_line + i,
+dwt->win_l_x1, sa_line + i + 1,
+/* Nasty cast from float* to int32* */
+(OPJ_INT32*)(dwt->wavelet + dwt->cas + 2 * dwt->win_l_x0) + i,
+2 * NB_ELTS_V8, 0, OPJ_TRUE);
+assert(ret);
+ret = opj_sparse_array_int32_read(sa,
+(OPJ_UINT32)dwt->sn + dwt->win_h_x0, sa_line + i,
+(OPJ_UINT32)dwt->sn + dwt->win_h_x1, sa_line + i + 1,
+/* Nasty cast from float* to int32* */
+(OPJ_INT32*)(dwt->wavelet + 1 - dwt->cas + 2 * dwt->win_h_x0) + i,
+2 * NB_ELTS_V8, 0, OPJ_TRUE);
+assert(ret);
+OPJ_UNUSED(ret);
+}
+}
+static INLINE void opj_v8dwt_interleave_v(opj_v8dwt_t* OPJ_RESTRICT dwt,
+OPJ_FLOAT32* OPJ_RESTRICT a,
+OPJ_UINT32 width,
+OPJ_UINT32 nb_elts_read)
+{
+opj_v8_t* OPJ_RESTRICT bi = dwt->wavelet + dwt->cas;
+OPJ_UINT32 i;
+for (i = dwt->win_l_x0; i < dwt->win_l_x1; ++i) {
+memcpy(&bi[i * 2], &a[i * (OPJ_SIZE_T)width],
+(OPJ_SIZE_T)nb_elts_read * sizeof(OPJ_FLOAT32));
+}
+a += (OPJ_UINT32)dwt->sn * (OPJ_SIZE_T)width;
+bi = dwt->wavelet + 1 - dwt->cas;
+for (i = dwt->win_h_x0; i < dwt->win_h_x1; ++i) {
+memcpy(&bi[i * 2], &a[i * (OPJ_SIZE_T)width],
+(OPJ_SIZE_T)nb_elts_read * sizeof(OPJ_FLOAT32));
+}
+}
+static void opj_v8dwt_interleave_partial_v(opj_v8dwt_t* OPJ_RESTRICT dwt,
+opj_sparse_array_int32_t* sa,
+OPJ_UINT32 sa_col,
+OPJ_UINT32 nb_elts_read)
+{
+OPJ_BOOL ret;
+ret = opj_sparse_array_int32_read(sa,
+sa_col, dwt->win_l_x0,
+sa_col + nb_elts_read, dwt->win_l_x1,
+(OPJ_INT32*)(dwt->wavelet + dwt->cas + 2 * dwt->win_l_x0),
+1, 2 * NB_ELTS_V8, OPJ_TRUE);
+assert(ret);
+ret = opj_sparse_array_int32_read(sa,
+sa_col, (OPJ_UINT32)dwt->sn + dwt->win_h_x0,
+sa_col + nb_elts_read, (OPJ_UINT32)dwt->sn + dwt->win_h_x1,
+(OPJ_INT32*)(dwt->wavelet + 1 - dwt->cas + 2 * dwt->win_h_x0),
+1, 2 * NB_ELTS_V8, OPJ_TRUE);
+assert(ret);
+OPJ_UNUSED(ret);
+}
+#ifdef __SSE__
+static void opj_v8dwt_decode_step1_sse(opj_v8_t* w,
+OPJ_UINT32 start,
+OPJ_UINT32 end,
+const __m128 c)
+{
+__m128* OPJ_RESTRICT vw = (__m128*) w;
+OPJ_UINT32 i = start;
+/* To be adapted if NB_ELTS_V8 changes */
+vw += 4 * start;
+/* Note: attempt at loop unrolling x2 doesn't help */
+for (; i < end; ++i, vw += 4) {
+vw[0] = _mm_mul_ps(vw[0], c);
+vw[1] = _mm_mul_ps(vw[1], c);
+}
+}
+static void opj_v8dwt_decode_step2_sse(opj_v8_t* l, opj_v8_t* w,
+OPJ_UINT32 start,
+OPJ_UINT32 end,
+OPJ_UINT32 m,
+__m128 c)
+{
+__m128* OPJ_RESTRICT vl = (__m128*) l;
+__m128* OPJ_RESTRICT vw = (__m128*) w;
+/* To be adapted if NB_ELTS_V8 changes */
+OPJ_UINT32 i;
+OPJ_UINT32 imax = opj_uint_min(end, m);
+if (start == 0) {
+if (imax >= 1) {
+vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(_mm_add_ps(vl[0], vw[0]), c));
+vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(_mm_add_ps(vl[1], vw[1]), c));
+vw += 4;
+start = 1;
+}
+} else {
+vw += start * 4;
+}
+i = start;
+/* Note: attempt at loop unrolling x2 doesn't help */
+for (; i < imax; ++i) {
+vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(_mm_add_ps(vw[-4], vw[0]), c));
+vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(_mm_add_ps(vw[-3], vw[1]), c));
+vw += 4;
+}
+if (m < end) {
+assert(m + 1 == end);
+c = _mm_add_ps(c, c);
+vw[-2] = _mm_add_ps(vw[-2], _mm_mul_ps(c, vw[-4]));
+vw[-1] = _mm_add_ps(vw[-1], _mm_mul_ps(c, vw[-3]));
+}
+}
+#else
+static void opj_v8dwt_decode_step1(opj_v8_t* w,
+OPJ_UINT32 start,
+OPJ_UINT32 end,
+const OPJ_FLOAT32 c)
+{
+OPJ_FLOAT32* OPJ_RESTRICT fw = (OPJ_FLOAT32*) w;
+OPJ_UINT32 i;
+/* To be adapted if NB_ELTS_V8 changes */
+for (i = start; i < end; ++i) {
+fw[i * 2 * 8    ] = fw[i * 2 * 8    ] * c;
+fw[i * 2 * 8 + 1] = fw[i * 2 * 8 + 1] * c;
+fw[i * 2 * 8 + 2] = fw[i * 2 * 8 + 2] * c;
+fw[i * 2 * 8 + 3] = fw[i * 2 * 8 + 3] * c;
+fw[i * 2 * 8 + 4] = fw[i * 2 * 8 + 4] * c;
+fw[i * 2 * 8 + 5] = fw[i * 2 * 8 + 5] * c;
+fw[i * 2 * 8 + 6] = fw[i * 2 * 8 + 6] * c;
+fw[i * 2 * 8 + 7] = fw[i * 2 * 8 + 7] * c;
+}
+}
+static void opj_v8dwt_decode_step2(opj_v8_t* l, opj_v8_t* w,
+OPJ_UINT32 start,
+OPJ_UINT32 end,
+OPJ_UINT32 m,
+OPJ_FLOAT32 c)
+{
+OPJ_FLOAT32* fl = (OPJ_FLOAT32*) l;
+OPJ_FLOAT32* fw = (OPJ_FLOAT32*) w;
+OPJ_UINT32 i;
+OPJ_UINT32 imax = opj_uint_min(end, m);
+if (start > 0) {
+fw += 2 * NB_ELTS_V8 * start;
+fl = fw - 2 * NB_ELTS_V8;
+}
+/* To be adapted if NB_ELTS_V8 changes */
+for (i = start; i < imax; ++i) {
+fw[-8] = fw[-8] + ((fl[0] + fw[0]) * c);
+fw[-7] = fw[-7] + ((fl[1] + fw[1]) * c);
+fw[-6] = fw[-6] + ((fl[2] + fw[2]) * c);
+fw[-5] = fw[-5] + ((fl[3] + fw[3]) * c);
+fw[-4] = fw[-4] + ((fl[4] + fw[4]) * c);
+fw[-3] = fw[-3] + ((fl[5] + fw[5]) * c);
+fw[-2] = fw[-2] + ((fl[6] + fw[6]) * c);
+fw[-1] = fw[-1] + ((fl[7] + fw[7]) * c);
+fl = fw;
+fw += 2 * NB_ELTS_V8;
+}
+if (m < end) {
+assert(m + 1 == end);
+c += c;
+fw[-8] = fw[-8] + fl[0] * c;
+fw[-7] = fw[-7] + fl[1] * c;
+fw[-6] = fw[-6] + fl[2] * c;
+fw[-5] = fw[-5] + fl[3] * c;
+fw[-4] = fw[-4] + fl[4] * c;
+fw[-3] = fw[-3] + fl[5] * c;
+fw[-2] = fw[-2] + fl[6] * c;
+fw[-1] = fw[-1] + fl[7] * c;
+}
+}
+#endif
+/* <summary>                             */
+/* Inverse 9-7 wavelet transform in 1-D. */
+/* </summary>                            */
+static void opj_v8dwt_decode(opj_v8dwt_t* OPJ_RESTRICT dwt)
+{
+OPJ_INT32 a, b;
+/* BUG_WEIRD_TWO_INVK (look for this identifier in tcd.c) */
+/* Historic value for 2 / opj_invK */
+/* Normally, we should use invK, but if we do so, we have failures in the */
+/* conformance test, due to MSE and peak errors significantly higher than */
+/* accepted value */
+/* Due to using two_invK instead of invK, we have to compensate in tcd.c */
+/* the computation of the stepsize for the non LL subbands */
+const float two_invK = 1.625732422f;
+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_v8dwt_decode_step1_sse(dwt->wavelet + a, dwt->win_l_x0, dwt->win_l_x1,
+_mm_set1_ps(opj_K));
+opj_v8dwt_decode_step1_sse(dwt->wavelet + b, dwt->win_h_x0, dwt->win_h_x1,
+_mm_set1_ps(two_invK));
+opj_v8dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1,
+dwt->win_l_x0, dwt->win_l_x1,
+(OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
+_mm_set1_ps(-opj_dwt_delta));
+opj_v8dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1,
+dwt->win_h_x0, dwt->win_h_x1,
+(OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
+_mm_set1_ps(-opj_dwt_gamma));
+opj_v8dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1,
+dwt->win_l_x0, dwt->win_l_x1,
+(OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
+_mm_set1_ps(-opj_dwt_beta));
+opj_v8dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1,
+dwt->win_h_x0, dwt->win_h_x1,
+(OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
+_mm_set1_ps(-opj_dwt_alpha));
+#else
+opj_v8dwt_decode_step1(dwt->wavelet + a, dwt->win_l_x0, dwt->win_l_x1,
+opj_K);
+opj_v8dwt_decode_step1(dwt->wavelet + b, dwt->win_h_x0, dwt->win_h_x1,
+two_invK);
+opj_v8dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1,
+dwt->win_l_x0, dwt->win_l_x1,
+(OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
+-opj_dwt_delta);
+opj_v8dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1,
+dwt->win_h_x0, dwt->win_h_x1,
+(OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
+-opj_dwt_gamma);
+opj_v8dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1,
+dwt->win_l_x0, dwt->win_l_x1,
+(OPJ_UINT32)opj_int_min(dwt->sn, dwt->dn - a),
+-opj_dwt_beta);
+opj_v8dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1,
+dwt->win_h_x0, dwt->win_h_x1,
+(OPJ_UINT32)opj_int_min(dwt->dn, dwt->sn - b),
+-opj_dwt_alpha);
+#endif
+}
+typedef struct {
+opj_v8dwt_t h;
+OPJ_UINT32 rw;
+OPJ_UINT32 w;
+OPJ_FLOAT32 * OPJ_RESTRICT aj;
+OPJ_UINT32 nb_rows;
+} opj_dwt97_decode_h_job_t;
+static void opj_dwt97_decode_h_func(void* user_data, opj_tls_t* tls)
+{
+OPJ_UINT32 j;
+opj_dwt97_decode_h_job_t* job;
+OPJ_FLOAT32 * OPJ_RESTRICT aj;
+OPJ_UINT32 w;
+(void)tls;
+job = (opj_dwt97_decode_h_job_t*)user_data;
+w = job->w;
+assert((job->nb_rows % NB_ELTS_V8) == 0);
+aj = job->aj;
+for (j = 0; j + NB_ELTS_V8 <= job->nb_rows; j += NB_ELTS_V8) {
+OPJ_UINT32 k;
+opj_v8dwt_interleave_h(&job->h, aj, job->w, NB_ELTS_V8);
+opj_v8dwt_decode(&job->h);
+/* To be adapted if NB_ELTS_V8 changes */
+for (k = 0; k < job->rw; k++) {
+aj[k      ] = job->h.wavelet[k].f[0];
+aj[k + (OPJ_SIZE_T)w  ] = job->h.wavelet[k].f[1];
+aj[k + (OPJ_SIZE_T)w * 2] = job->h.wavelet[k].f[2];
+aj[k + (OPJ_SIZE_T)w * 3] = job->h.wavelet[k].f[3];
+}
+for (k = 0; k < job->rw; k++) {
+aj[k + (OPJ_SIZE_T)w * 4] = job->h.wavelet[k].f[4];
+aj[k + (OPJ_SIZE_T)w * 5] = job->h.wavelet[k].f[5];
+aj[k + (OPJ_SIZE_T)w * 6] = job->h.wavelet[k].f[6];
+aj[k + (OPJ_SIZE_T)w * 7] = job->h.wavelet[k].f[7];
+}
+aj += w * NB_ELTS_V8;
+}
+opj_aligned_free(job->h.wavelet);
+opj_free(job);
+}
+typedef struct {
+opj_v8dwt_t v;
+OPJ_UINT32 rh;
+OPJ_UINT32 w;
+OPJ_FLOAT32 * OPJ_RESTRICT aj;
+OPJ_UINT32 nb_columns;
+} opj_dwt97_decode_v_job_t;
+static void opj_dwt97_decode_v_func(void* user_data, opj_tls_t* tls)
+{
+OPJ_UINT32 j;
+opj_dwt97_decode_v_job_t* job;
+OPJ_FLOAT32 * OPJ_RESTRICT aj;
+(void)tls;
+job = (opj_dwt97_decode_v_job_t*)user_data;
+assert((job->nb_columns % NB_ELTS_V8) == 0);
+aj = job->aj;
+for (j = 0; j + NB_ELTS_V8 <= job->nb_columns; j += NB_ELTS_V8) {
+OPJ_UINT32 k;
+opj_v8dwt_interleave_v(&job->v, aj, job->w, NB_ELTS_V8);
+opj_v8dwt_decode(&job->v);
+for (k = 0; k < job->rh; ++k) {
+memcpy(&aj[k * (OPJ_SIZE_T)job->w], &job->v.wavelet[k],
+NB_ELTS_V8 * sizeof(OPJ_FLOAT32));
+}
+aj += NB_ELTS_V8;
+}
+opj_aligned_free(job->v.wavelet);
+opj_free(job);
+}
+/* <summary>                             */
+/* Inverse 9-7 wavelet transform in 2-D. */
+/* </summary>                            */
+static
+OPJ_BOOL opj_dwt_decode_tile_97(opj_thread_pool_t* tp,
+opj_tcd_tilecomp_t* OPJ_RESTRICT tilec,
+OPJ_UINT32 numres)
+{
+opj_v8dwt_t h;
+opj_v8dwt_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->resolutions[tilec->minimum_num_resolutions -
+1].x1 -
+tilec->resolutions[tilec->minimum_num_resolutions - 1].x0);
+OPJ_SIZE_T l_data_size;
+const int num_threads = opj_thread_pool_get_thread_count(tp);
+if (numres == 1) {
+return OPJ_TRUE;
+}
+l_data_size = opj_dwt_max_resolution(res, numres);
+/* overflow check */
+if (l_data_size > (SIZE_MAX / sizeof(opj_v8_t))) {
+/* FIXME event manager error callback */
+return OPJ_FALSE;
+}
+h.wavelet = (opj_v8_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v8_t));
+if (!h.wavelet) {
+/* FIXME event manager error callback */
+return OPJ_FALSE;
+}
+v.wavelet = h.wavelet;
+while (--numres) {
+OPJ_FLOAT32 * OPJ_RESTRICT aj = (OPJ_FLOAT32*) tilec->data;
+OPJ_UINT32 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;
+h.win_l_x0 = 0;
+h.win_l_x1 = (OPJ_UINT32)h.sn;
+h.win_h_x0 = 0;
+h.win_h_x1 = (OPJ_UINT32)h.dn;
+if (num_threads <= 1 || rh < 2 * NB_ELTS_V8) {
+for (j = 0; j + (NB_ELTS_V8 - 1) < rh; j += NB_ELTS_V8) {
+OPJ_UINT32 k;
+opj_v8dwt_interleave_h(&h, aj, w, NB_ELTS_V8);
+opj_v8dwt_decode(&h);
+/* To be adapted if NB_ELTS_V8 changes */
+for (k = 0; k < rw; k++) {
+aj[k      ] = h.wavelet[k].f[0];
+aj[k + (OPJ_SIZE_T)w  ] = h.wavelet[k].f[1];
+aj[k + (OPJ_SIZE_T)w * 2] = h.wavelet[k].f[2];
+aj[k + (OPJ_SIZE_T)w * 3] = h.wavelet[k].f[3];
+}
+for (k = 0; k < rw; k++) {
+aj[k + (OPJ_SIZE_T)w * 4] = h.wavelet[k].f[4];
+aj[k + (OPJ_SIZE_T)w * 5] = h.wavelet[k].f[5];
+aj[k + (OPJ_SIZE_T)w * 6] = h.wavelet[k].f[6];
+aj[k + (OPJ_SIZE_T)w * 7] = h.wavelet[k].f[7];
+}
+aj += w * NB_ELTS_V8;
+}
+} else {
+OPJ_UINT32 num_jobs = (OPJ_UINT32)num_threads;
+OPJ_UINT32 step_j;
+if ((rh / NB_ELTS_V8) < num_jobs) {
+num_jobs = rh / NB_ELTS_V8;
+}
+step_j = ((rh / num_jobs) / NB_ELTS_V8) * NB_ELTS_V8;
+for (j = 0; j < num_jobs; j++) {
+opj_dwt97_decode_h_job_t* job;
+job = (opj_dwt97_decode_h_job_t*) opj_malloc(sizeof(opj_dwt97_decode_h_job_t));
+if (!job) {
+opj_thread_pool_wait_completion(tp, 0);
+opj_aligned_free(h.wavelet);
+return OPJ_FALSE;
+}
+job->h.wavelet = (opj_v8_t*)opj_aligned_malloc(l_data_size * sizeof(opj_v8_t));
+if (!job->h.wavelet) {
+opj_thread_pool_wait_completion(tp, 0);
+opj_free(job);
+opj_aligned_free(h.wavelet);
+return OPJ_FALSE;
+}
+job->h.dn = h.dn;
+job->h.sn = h.sn;
+job->h.cas = h.cas;
+job->h.win_l_x0 = h.win_l_x0;
+job->h.win_l_x1 = h.win_l_x1;
+job->h.win_h_x0 = h.win_h_x0;
+job->h.win_h_x1 = h.win_h_x1;
+job->rw = rw;
+job->w = w;
+job->aj = aj;
+job->nb_rows = (j + 1 == num_jobs) ? (rh & (OPJ_UINT32)~
+(NB_ELTS_V8 - 1)) - j * step_j : step_j;
+aj += w * job->nb_rows;
+opj_thread_pool_submit_job(tp, opj_dwt97_decode_h_func, job);
+}
+opj_thread_pool_wait_completion(tp, 0);
+j = rh & (OPJ_UINT32)~(NB_ELTS_V8 - 1);
+}
+if (j < rh) {
+OPJ_UINT32 k;
+opj_v8dwt_interleave_h(&h, aj, w, rh - j);
+opj_v8dwt_decode(&h);
+for (k = 0; k < rw; k++) {
+OPJ_UINT32 l;
+for (l = 0; l < rh - j; l++) {
+aj[k + (OPJ_SIZE_T)w  * l ] = h.wavelet[k].f[l];
+}
+}
+}
+v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
+v.cas = res->y0 % 2;
+v.win_l_x0 = 0;
+v.win_l_x1 = (OPJ_UINT32)v.sn;
+v.win_h_x0 = 0;
+v.win_h_x1 = (OPJ_UINT32)v.dn;
+aj = (OPJ_FLOAT32*) tilec->data;
+if (num_threads <= 1 || rw < 2 * NB_ELTS_V8) {
+for (j = rw; j > (NB_ELTS_V8 - 1); j -= NB_ELTS_V8) {
+OPJ_UINT32 k;
+opj_v8dwt_interleave_v(&v, aj, w, NB_ELTS_V8);
+opj_v8dwt_decode(&v);
+for (k = 0; k < rh; ++k) {
+memcpy(&aj[k * (OPJ_SIZE_T)w], &v.wavelet[k], NB_ELTS_V8 * sizeof(OPJ_FLOAT32));
+}
+aj += NB_ELTS_V8;
+}
+} else {
+/* "bench_dwt -I" shows that scaling is poor, likely due to RAM
+transfer being the limiting factor. So limit the number of
+threads.
+*/
+OPJ_UINT32 num_jobs = opj_uint_max((OPJ_UINT32)num_threads / 2, 2U);
+OPJ_UINT32 step_j;
+if ((rw / NB_ELTS_V8) < num_jobs) {
+num_jobs = rw / NB_ELTS_V8;
+}
+step_j = ((rw / num_jobs) / NB_ELTS_V8) * NB_ELTS_V8;
+for (j = 0; j < num_jobs; j++) {
+opj_dwt97_decode_v_job_t* job;
+job = (opj_dwt97_decode_v_job_t*) opj_malloc(sizeof(opj_dwt97_decode_v_job_t));
+if (!job) {
+opj_thread_pool_wait_completion(tp, 0);
+opj_aligned_free(h.wavelet);
+return OPJ_FALSE;
+}
+job->v.wavelet = (opj_v8_t*)opj_aligned_malloc(l_data_size * sizeof(opj_v8_t));
+if (!job->v.wavelet) {
+opj_thread_pool_wait_completion(tp, 0);
+opj_free(job);
+opj_aligned_free(h.wavelet);
+return OPJ_FALSE;
+}
+job->v.dn = v.dn;
+job->v.sn = v.sn;
+job->v.cas = v.cas;
+job->v.win_l_x0 = v.win_l_x0;
+job->v.win_l_x1 = v.win_l_x1;
+job->v.win_h_x0 = v.win_h_x0;
+job->v.win_h_x1 = v.win_h_x1;
+job->rh = rh;
+job->w = w;
+job->aj = aj;
+job->nb_columns = (j + 1 == num_jobs) ? (rw & (OPJ_UINT32)~
+(NB_ELTS_V8 - 1)) - j * step_j : step_j;
+aj += job->nb_columns;
+opj_thread_pool_submit_job(tp, opj_dwt97_decode_v_func, job);
+}
+opj_thread_pool_wait_completion(tp, 0);
+}
+if (rw & (NB_ELTS_V8 - 1)) {
+OPJ_UINT32 k;
+j = rw & (NB_ELTS_V8 - 1);
+opj_v8dwt_interleave_v(&v, aj, w, j);
+opj_v8dwt_decode(&v);
+for (k = 0; k < rh; ++k) {
+memcpy(&aj[k * (OPJ_SIZE_T)w], &v.wavelet[k],
+(OPJ_SIZE_T)j * sizeof(OPJ_FLOAT32));
+}
+}
+}
+opj_aligned_free(h.wavelet);
+return OPJ_TRUE;
+}
+static
+OPJ_BOOL opj_dwt_decode_partial_97(opj_tcd_tilecomp_t* OPJ_RESTRICT tilec,
+OPJ_UINT32 numres)
+{
+opj_sparse_array_int32_t* sa;
+opj_v8dwt_t h;
+opj_v8dwt_t v;
+OPJ_UINT32 resno;
+/* This value matches the maximum left/right extension given in tables */
+/* F.2 and F.3 of the standard. Note: in opj_tcd_is_subband_area_of_interest() */
+/* we currently use 3. */
+const OPJ_UINT32 filter_width = 4U;
+opj_tcd_resolution_t* tr = tilec->resolutions;
+opj_tcd_resolution_t* tr_max = &(tilec->resolutions[numres - 1]);
+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_SIZE_T l_data_size;
+/* Compute the intersection of the area of interest, expressed in tile coordinates */
+/* with the tile coordinates */
+OPJ_UINT32 win_tcx0 = tilec->win_x0;
+OPJ_UINT32 win_tcy0 = tilec->win_y0;
+OPJ_UINT32 win_tcx1 = tilec->win_x1;
+OPJ_UINT32 win_tcy1 = tilec->win_y1;
+if (tr_max->x0 == tr_max->x1 || tr_max->y0 == tr_max->y1) {
+return OPJ_TRUE;
+}
+sa = opj_dwt_init_sparse_array(tilec, numres);
+if (sa == NULL) {
+return OPJ_FALSE;
+}
+if (numres == 1U) {
+OPJ_BOOL ret = opj_sparse_array_int32_read(sa,
+tr_max->win_x0 - (OPJ_UINT32)tr_max->x0,
+tr_max->win_y0 - (OPJ_UINT32)tr_max->y0,
+tr_max->win_x1 - (OPJ_UINT32)tr_max->x0,
+tr_max->win_y1 - (OPJ_UINT32)tr_max->y0,
+tilec->data_win,
+1, tr_max->win_x1 - tr_max->win_x0,
+OPJ_TRUE);
+assert(ret);
+OPJ_UNUSED(ret);
+opj_sparse_array_int32_free(sa);
+return OPJ_TRUE;
+}
+l_data_size = opj_dwt_max_resolution(tr, numres);
+/* overflow check */
+if (l_data_size > (SIZE_MAX / sizeof(opj_v8_t))) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+return OPJ_FALSE;
+}
+h.wavelet = (opj_v8_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v8_t));
+if (!h.wavelet) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+return OPJ_FALSE;
+}
+v.wavelet = h.wavelet;
+for (resno = 1; resno < numres; resno ++) {
+OPJ_UINT32 j;
+/* Window of interest subband-based coordinates */
+OPJ_UINT32 win_ll_x0, win_ll_y0, win_ll_x1, win_ll_y1;
+OPJ_UINT32 win_hl_x0, win_hl_x1;
+OPJ_UINT32 win_lh_y0, win_lh_y1;
+/* Window of interest tile-resolution-based coordinates */
+OPJ_UINT32 win_tr_x0, win_tr_x1, win_tr_y0, win_tr_y1;
+/* Tile-resolution subband-based coordinates */
+OPJ_UINT32 tr_ll_x0, tr_ll_y0, tr_hl_x0, tr_lh_y0;
+++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;
+v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
+v.cas = tr->y0 % 2;
+/* Get the subband coordinates for the window of interest */
+/* LL band */
+opj_dwt_get_band_coordinates(tilec, resno, 0,
+win_tcx0, win_tcy0, win_tcx1, win_tcy1,
+&win_ll_x0, &win_ll_y0,
+&win_ll_x1, &win_ll_y1);
+/* HL band */
+opj_dwt_get_band_coordinates(tilec, resno, 1,
+win_tcx0, win_tcy0, win_tcx1, win_tcy1,
+&win_hl_x0, NULL, &win_hl_x1, NULL);
+/* LH band */
+opj_dwt_get_band_coordinates(tilec, resno, 2,
+win_tcx0, win_tcy0, win_tcx1, win_tcy1,
+NULL, &win_lh_y0, NULL, &win_lh_y1);
+/* Beware: band index for non-LL0 resolution are 0=HL, 1=LH and 2=HH */
+tr_ll_x0 = (OPJ_UINT32)tr->bands[1].x0;
+tr_ll_y0 = (OPJ_UINT32)tr->bands[0].y0;
+tr_hl_x0 = (OPJ_UINT32)tr->bands[0].x0;
+tr_lh_y0 = (OPJ_UINT32)tr->bands[1].y0;
+/* Subtract the origin of the bands for this tile, to the subwindow */
+/* of interest band coordinates, so as to get them relative to the */
+/* tile */
+win_ll_x0 = opj_uint_subs(win_ll_x0, tr_ll_x0);
+win_ll_y0 = opj_uint_subs(win_ll_y0, tr_ll_y0);
+win_ll_x1 = opj_uint_subs(win_ll_x1, tr_ll_x0);
+win_ll_y1 = opj_uint_subs(win_ll_y1, tr_ll_y0);
+win_hl_x0 = opj_uint_subs(win_hl_x0, tr_hl_x0);
+win_hl_x1 = opj_uint_subs(win_hl_x1, tr_hl_x0);
+win_lh_y0 = opj_uint_subs(win_lh_y0, tr_lh_y0);
+win_lh_y1 = opj_uint_subs(win_lh_y1, tr_lh_y0);
+opj_dwt_segment_grow(filter_width, (OPJ_UINT32)h.sn, &win_ll_x0, &win_ll_x1);
+opj_dwt_segment_grow(filter_width, (OPJ_UINT32)h.dn, &win_hl_x0, &win_hl_x1);
+opj_dwt_segment_grow(filter_width, (OPJ_UINT32)v.sn, &win_ll_y0, &win_ll_y1);
+opj_dwt_segment_grow(filter_width, (OPJ_UINT32)v.dn, &win_lh_y0, &win_lh_y1);
+/* Compute the tile-resolution-based coordinates for the window of interest */
+if (h.cas == 0) {
+win_tr_x0 = opj_uint_min(2 * win_ll_x0, 2 * win_hl_x0 + 1);
+win_tr_x1 = opj_uint_min(opj_uint_max(2 * win_ll_x1, 2 * win_hl_x1 + 1), rw);
+} else {
+win_tr_x0 = opj_uint_min(2 * win_hl_x0, 2 * win_ll_x0 + 1);
+win_tr_x1 = opj_uint_min(opj_uint_max(2 * win_hl_x1, 2 * win_ll_x1 + 1), rw);
+}
+if (v.cas == 0) {
+win_tr_y0 = opj_uint_min(2 * win_ll_y0, 2 * win_lh_y0 + 1);
+win_tr_y1 = opj_uint_min(opj_uint_max(2 * win_ll_y1, 2 * win_lh_y1 + 1), rh);
+} else {
+win_tr_y0 = opj_uint_min(2 * win_lh_y0, 2 * win_ll_y0 + 1);
+win_tr_y1 = opj_uint_min(opj_uint_max(2 * win_lh_y1, 2 * win_ll_y1 + 1), rh);
+}
+h.win_l_x0 = win_ll_x0;
+h.win_l_x1 = win_ll_x1;
+h.win_h_x0 = win_hl_x0;
+h.win_h_x1 = win_hl_x1;
+for (j = 0; j + (NB_ELTS_V8 - 1) < rh; j += NB_ELTS_V8) {
+if ((j + (NB_ELTS_V8 - 1) >= win_ll_y0 && j < win_ll_y1) ||
+(j + (NB_ELTS_V8 - 1) >= win_lh_y0 + (OPJ_UINT32)v.sn &&
+j < win_lh_y1 + (OPJ_UINT32)v.sn)) {
+opj_v8dwt_interleave_partial_h(&h, sa, j, opj_uint_min(NB_ELTS_V8, rh - j));
+opj_v8dwt_decode(&h);
+if (!opj_sparse_array_int32_write(sa,
+win_tr_x0, j,
+win_tr_x1, j + NB_ELTS_V8,
+(OPJ_INT32*)&h.wavelet[win_tr_x0].f[0],
+NB_ELTS_V8, 1, OPJ_TRUE)) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+opj_aligned_free(h.wavelet);
+return OPJ_FALSE;
+}
+}
+}
+if (j < rh &&
+((j + (NB_ELTS_V8 - 1) >= win_ll_y0 && j < win_ll_y1) ||
+(j + (NB_ELTS_V8 - 1) >= win_lh_y0 + (OPJ_UINT32)v.sn &&
+j < win_lh_y1 + (OPJ_UINT32)v.sn))) {
+opj_v8dwt_interleave_partial_h(&h, sa, j, rh - j);
+opj_v8dwt_decode(&h);
+if (!opj_sparse_array_int32_write(sa,
+win_tr_x0, j,
+win_tr_x1, rh,
+(OPJ_INT32*)&h.wavelet[win_tr_x0].f[0],
+NB_ELTS_V8, 1, OPJ_TRUE)) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+opj_aligned_free(h.wavelet);
+return OPJ_FALSE;
+}
+}
+v.win_l_x0 = win_ll_y0;
+v.win_l_x1 = win_ll_y1;
+v.win_h_x0 = win_lh_y0;
+v.win_h_x1 = win_lh_y1;
+for (j = win_tr_x0; j < win_tr_x1; j += NB_ELTS_V8) {
+OPJ_UINT32 nb_elts = opj_uint_min(NB_ELTS_V8, win_tr_x1 - j);
+opj_v8dwt_interleave_partial_v(&v, sa, j, nb_elts);
+opj_v8dwt_decode(&v);
+if (!opj_sparse_array_int32_write(sa,
+j, win_tr_y0,
+j + nb_elts, win_tr_y1,
+(OPJ_INT32*)&h.wavelet[win_tr_y0].f[0],
+1, NB_ELTS_V8, OPJ_TRUE)) {
+/* FIXME event manager error callback */
+opj_sparse_array_int32_free(sa);
+opj_aligned_free(h.wavelet);
+return OPJ_FALSE;
+}
+}
+}
+{
+OPJ_BOOL ret = opj_sparse_array_int32_read(sa,
+tr_max->win_x0 - (OPJ_UINT32)tr_max->x0,
+tr_max->win_y0 - (OPJ_UINT32)tr_max->y0,
+tr_max->win_x1 - (OPJ_UINT32)tr_max->x0,
+tr_max->win_y1 - (OPJ_UINT32)tr_max->y0,
+tilec->data_win,
+1, tr_max->win_x1 - tr_max->win_x0,
+OPJ_TRUE);
+assert(ret);
+OPJ_UNUSED(ret);
+}
+opj_sparse_array_int32_free(sa);
+opj_aligned_free(h.wavelet);
+return OPJ_TRUE;
+}
+OPJ_BOOL opj_dwt_decode_real(opj_tcd_t *p_tcd,
+opj_tcd_tilecomp_t* OPJ_RESTRICT tilec,
+OPJ_UINT32 numres)
+{
+if (p_tcd->whole_tile_decoding) {
+return opj_dwt_decode_tile_97(p_tcd->thread_pool, tilec, numres);
+} else {
+return opj_dwt_decode_partial_97(tilec, numres);
+}
+}

Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/dwt.c @ 2:b50eed0cc0ef upstream