/*
- * The copyright in this software is being made available under the 2-clauses
- * BSD License, included below. This software may be subject to other third
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
* party and contributor rights, including patent rights, and no such rights
* are granted under this license.
*
* Copyright (c) 2002-2014, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2007, Francois-Olivier Devaux
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux
* Copyright (c) 2003-2014, Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2007, Jonathan Ballard <dzonatas@dzonux.net>
* 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
* 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
+#ifdef __AVX2__
+#include <immintrin.h>
+#endif
-#include "opj_includes.h"
+#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)]
+#ifdef __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;
- OPJ_INT32 sn;
- OPJ_INT32 cas;
+ 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;
-typedef union {
- OPJ_FLOAT32 f[4];
-} opj_v4_t;
-
-typedef struct v4dwt_local {
- opj_v4_t* wavelet ;
- OPJ_INT32 dn ;
- OPJ_INT32 sn ;
- OPJ_INT32 cas ;
-} opj_v4dwt_t ;
+#define NB_ELTS_V8 8
-static const OPJ_FLOAT32 opj_dwt_alpha = 1.586134342f; /* 12994 */
-static const OPJ_FLOAT32 opj_dwt_beta = 0.052980118f; /* 434 */
-static const OPJ_FLOAT32 opj_dwt_gamma = -0.882911075f; /* -7233 */
-static const OPJ_FLOAT32 opj_dwt_delta = -0.443506852f; /* -3633 */
-
-static const OPJ_FLOAT32 opj_K = 1.230174105f; /* 10078 */
-static const OPJ_FLOAT32 opj_c13318 = 1.625732422f;
+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);
/*@}*/
-/**
-Virtual function type for wavelet transform in 1-D
-*/
-typedef void (*DWT1DFN)(opj_dwt_t* v);
-
/** @name Local static functions */
/*@{*/
/**
Forward lazy transform (horizontal)
*/
-static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
-/**
-Forward lazy transform (vertical)
-*/
-static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas);
-/**
-Inverse lazy transform (horizontal)
-*/
-static void opj_dwt_interleave_h(opj_dwt_t* h, OPJ_INT32 *a);
-/**
-Inverse lazy transform (vertical)
-*/
-static void opj_dwt_interleave_v(opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x);
-/**
-Forward 5-3 wavelet transform in 1-D
-*/
-static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
-/**
-Inverse 5-3 wavelet transform in 1-D
-*/
-static void opj_dwt_decode_1(opj_dwt_t *v);
-static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
+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(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas);
+static void opj_dwt_encode_1_real(void *a, OPJ_INT32 dn, OPJ_INT32 sn,
+ OPJ_INT32 cas);
/**
-Explicit calculation of the Quantization Stepsizes
+Explicit calculation of the Quantization Stepsizes
*/
-static void opj_dwt_encode_stepsize(OPJ_INT32 stepsize, OPJ_INT32 numbps, opj_stepsize_t *bandno_stepsize);
+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, DWT1DFN fn);
-
-static OPJ_BOOL opj_dwt_encode_procedure( opj_tcd_tilecomp_t * tilec,
- void (*p_function)(OPJ_INT32 *, OPJ_INT32,OPJ_INT32,OPJ_INT32) );
-
-static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* restrict r, OPJ_UINT32 i);
+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> */
-static void opj_v4dwt_decode(opj_v4dwt_t* restrict dwt);
-
-static void opj_v4dwt_interleave_h(opj_v4dwt_t* restrict w, OPJ_FLOAT32* restrict a, OPJ_INT32 x, OPJ_INT32 size);
-
-static void opj_v4dwt_interleave_v(opj_v4dwt_t* restrict v , OPJ_FLOAT32* restrict a , OPJ_INT32 x, OPJ_INT32 nb_elts_read);
-
-#ifdef __SSE__
-static void opj_v4dwt_decode_step1_sse(opj_v4_t* w, OPJ_INT32 count, const __m128 c);
-
-static void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, __m128 c);
-
-#else
-static void opj_v4dwt_decode_step1(opj_v4_t* w, OPJ_INT32 count, const OPJ_FLOAT32 c);
-
-static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c);
-
-#endif
/*@}*/
/* <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}
+ {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}
+ {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> */
+/* <summary> */
/* Forward lazy transform (horizontal). */
-/* </summary> */
-static void opj_dwt_deinterleave_h(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
- OPJ_INT32 i;
- OPJ_INT32 * l_dest = b;
- OPJ_INT32 * l_src = a+cas;
-
- for (i=0; i<sn; ++i) {
- *l_dest++ = *l_src;
- l_src += 2;
- }
-
- l_dest = b + sn;
- l_src = a + 1 - cas;
+/* </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<dn; ++i) {
- *l_dest++=*l_src;
- l_src += 2;
- }
-}
+ for (i = 0; i < sn; ++i) {
+ *l_dest++ = *l_src;
+ l_src += 2;
+ }
-/* <summary> */
-/* Forward lazy transform (vertical). */
-/* </summary> */
-static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas) {
- OPJ_INT32 i = sn;
- OPJ_INT32 * l_dest = b;
- OPJ_INT32 * l_src = a+cas;
+ l_dest = b + sn;
+ l_src = a + 1 - cas;
- while (i--) {
- *l_dest = *l_src;
- l_dest += x;
- l_src += 2;
- } /* b[i*x]=a[2*i+cas]; */
-
- l_dest = b + sn * x;
- l_src = a + 1 - cas;
-
- i = dn;
- while (i--) {
- *l_dest = *l_src;
- l_dest += x;
- l_src += 2;
- } /*b[(sn+i)*x]=a[(2*i+1-cas)];*/
+ 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(opj_dwt_t* h, OPJ_INT32 *a) {
- OPJ_INT32 *ai = a;
+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;
+ 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> */
+/* <summary> */
/* Inverse lazy transform (vertical). */
-/* </summary> */
-static void opj_dwt_interleave_v(opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x) {
- OPJ_INT32 *ai = a;
+/* </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;
+ while (i--) {
+ *bi = *ai;
+ bi += 2;
+ ai += x;
}
- ai = a + (v->sn * 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;
+ while (i--) {
+ *bi = *ai;
+ bi += 2;
+ ai += x;
}
}
+#endif /* STANDARD_SLOW_VERSION */
+#ifdef STANDARD_SLOW_VERSION
/* <summary> */
-/* Forward 5-3 wavelet transform in 1-D. */
+/* Inverse 5-3 wavelet transform in 1-D. */
/* </summary> */
-static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
- OPJ_INT32 i;
-
- if (!cas) {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++) OPJ_D(i) -= (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
- for (i = 0; i < sn; i++) OPJ_S(i) += (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
- }
- } else {
- if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
- OPJ_S(0) *= 2;
- else {
- for (i = 0; i < dn; i++) OPJ_S(i) -= (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1;
- for (i = 0; i < sn; i++) OPJ_D(i) += (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2;
- }
- }
-}
+static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn,
+ OPJ_INT32 cas)
+{
+ OPJ_INT32 i;
-/* <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;
- }
- }
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++) {
+ OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2;
+ }
+ for (i = 0; i < dn; i++) {
+ OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1;
+ }
+ }
+ } else {
+ if (!sn && dn == 1) { /* NEW : CASE ONE ELEMENT */
+ OPJ_S(0) /= 2;
+ } else {
+ for (i = 0; i < sn; i++) {
+ OPJ_D(i) -= (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2;
+ }
+ for (i = 0; i < dn; i++) {
+ OPJ_S(i) += (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1;
+ }
+ }
+ }
}
-/* <summary> */
-/* Inverse 5-3 wavelet transform in 1-D. */
-/* </summary> */
-static void opj_dwt_decode_1(opj_dwt_t *v) {
- opj_dwt_decode_1_(v->mem, v->dn, v->sn, v->cas);
+static void opj_dwt_decode_1(const opj_dwt_t *v)
+{
+ opj_dwt_decode_1_(v->mem, v->dn, v->sn, v->cas);
}
-/* <summary> */
-/* Forward 9-7 wavelet transform in 1-D. */
-/* </summary> */
-static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) {
- OPJ_INT32 i;
- if (!cas) {
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++)
- OPJ_D(i) -= opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 12993);
- for (i = 0; i < sn; i++)
- OPJ_S(i) -= opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 434);
- for (i = 0; i < dn; i++)
- OPJ_D(i) += opj_int_fix_mul(OPJ_S_(i) + OPJ_S_(i + 1), 7233);
- for (i = 0; i < sn; i++)
- OPJ_S(i) += opj_int_fix_mul(OPJ_D_(i - 1) + OPJ_D_(i), 3633);
- for (i = 0; i < dn; i++)
- OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 5038); /*5038 */
- for (i = 0; i < sn; i++)
- OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 6659); /*6660 */
- }
- } else {
- if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
- for (i = 0; i < dn; i++)
- OPJ_S(i) -= opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 12993);
- for (i = 0; i < sn; i++)
- OPJ_D(i) -= opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 434);
- for (i = 0; i < dn; i++)
- OPJ_S(i) += opj_int_fix_mul(OPJ_DD_(i) + OPJ_DD_(i - 1), 7233);
- for (i = 0; i < sn; i++)
- OPJ_D(i) += opj_int_fix_mul(OPJ_SS_(i) + OPJ_SS_(i + 1), 3633);
- for (i = 0; i < dn; i++)
- OPJ_S(i) = opj_int_fix_mul(OPJ_S(i), 5038); /*5038 */
- for (i = 0; i < sn; i++)
- OPJ_D(i) = opj_int_fix_mul(OPJ_D(i), 6659); /*6660 */
- }
- }
-}
+#endif /* STANDARD_SLOW_VERSION */
-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;
-}
+#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];
-/*
-==========================================================
- DWT interface
-==========================================================
-*/
+#ifdef TWO_PASS_VERSION
+ /* For documentation purpose: performs lifting in two iterations, */
+ /* but without explicit interleaving */
+ assert(len > 1);
-/* <summary> */
-/* Forward 5-3 wavelet transform in 2-D. */
-/* </summary> */
-static INLINE OPJ_BOOL opj_dwt_encode_procedure(opj_tcd_tilecomp_t * tilec,void (*p_function)(OPJ_INT32 *, OPJ_INT32,OPJ_INT32,OPJ_INT32) )
-{
- OPJ_INT32 i, j, k;
- OPJ_INT32 *a = 00;
- OPJ_INT32 *aj = 00;
- OPJ_INT32 *bj = 00;
- OPJ_INT32 w, l;
-
- OPJ_INT32 rw; /* width of the resolution level computed */
- OPJ_INT32 rh; /* height of the resolution level computed */
- OPJ_UINT32 l_data_size;
-
- opj_tcd_resolution_t * l_cur_res = 0;
- opj_tcd_resolution_t * l_last_res = 0;
-
- w = tilec->x1-tilec->x0;
- l = (OPJ_INT32)tilec->numresolutions-1;
- a = tilec->data;
-
- l_cur_res = tilec->resolutions + l;
- l_last_res = l_cur_res - 1;
-
- l_data_size = opj_dwt_max_resolution( tilec->resolutions,tilec->numresolutions) * (OPJ_UINT32)sizeof(OPJ_INT32);
- bj = (OPJ_INT32*)opj_malloc((size_t)l_data_size);
- /* 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_INT32 rw1; /* width of the resolution level once lower than computed one */
- OPJ_INT32 rh1; /* height of the resolution level once lower than computed one */
- OPJ_INT32 cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
- OPJ_INT32 cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
- OPJ_INT32 dn, sn;
-
- rw = l_cur_res->x1 - l_cur_res->x0;
- rh = l_cur_res->y1 - l_cur_res->y0;
- rw1 = l_last_res->x1 - l_last_res->x0;
- rh1 = l_last_res->y1 - l_last_res->y0;
-
- cas_row = l_cur_res->x0 & 1;
- cas_col = l_cur_res->y0 & 1;
-
- sn = rh1;
- dn = rh - rh1;
- for (j = 0; j < rw; ++j) {
- aj = a + j;
- for (k = 0; k < rh; ++k) {
- bj[k] = aj[k*w];
- }
-
- (*p_function) (bj, dn, sn, cas_col);
-
- opj_dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
- }
-
- sn = rw1;
- dn = rw - rw1;
-
- for (j = 0; j < rh; j++) {
- aj = a + j * w;
- for (k = 0; k < rw; k++) bj[k] = aj[k];
- (*p_function) (bj, dn, sn, cas_row);
- opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
- }
-
- l_cur_res = l_last_res;
-
- --l_last_res;
- }
-
- opj_free(bj);
- return OPJ_TRUE;
-}
+ /* 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);
+ }
-/* Forward 5-3 wavelet transform in 2-D. */
-/* </summary> */
-OPJ_BOOL opj_dwt_encode(opj_tcd_tilecomp_t * tilec)
-{
- return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1);
-}
+ /* 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
+ OPJ_INT32 d1c, d1n, s1n, s0c, s0n;
-/* <summary> */
-/* Inverse 5-3 wavelet transform in 2-D. */
-/* </summary> */
-OPJ_BOOL opj_dwt_decode(opj_thread_pool_t* tp, opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres) {
- return opj_dwt_decode_tile(tp, tilec, numres, &opj_dwt_decode_1);
-}
+ 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);
-/* <summary> */
-/* Get gain of 5-3 wavelet transform. */
-/* </summary> */
-OPJ_UINT32 opj_dwt_getgain(OPJ_UINT32 orient) {
- if (orient == 0)
- return 0;
- if (orient == 1 || orient == 2)
- return 1;
- return 2;
-}
+ for (i = 0, j = 1; i < (len - 3); i += 2, j++) {
+ d1c = d1n;
+ s0c = s0n;
-/* <summary> */
-/* Get norm of 5-3 wavelet. */
-/* </summary> */
-OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient) {
- return opj_dwt_norms[orient][level];
+ 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
+ memcpy(tiledp, tmp, (OPJ_UINT32)len * sizeof(OPJ_INT32));
}
-/* <summary> */
-/* Forward 9-7 wavelet transform in 2-D. */
-/* </summary> */
-OPJ_BOOL opj_dwt_encode_real(opj_tcd_tilecomp_t * tilec)
+static void opj_idwt53_h_cas1(OPJ_INT32* tmp,
+ const OPJ_INT32 sn,
+ const OPJ_INT32 len,
+ OPJ_INT32* tiledp)
{
- return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1_real);
-}
+ OPJ_INT32 i, j;
+ const OPJ_INT32* in_even = &tiledp[sn];
+ const OPJ_INT32* in_odd = &tiledp[0];
-/* <summary> */
-/* Get gain of 9-7 wavelet transform. */
-/* </summary> */
-OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient) {
- (void)orient;
- return 0;
-}
+#ifdef TWO_PASS_VERSION
+ /* For documentation purpose: performs lifting in two iterations, */
+ /* but without explicit interleaving */
-/* <summary> */
-/* Get norm of 9-7 wavelet. */
-/* </summary> */
-OPJ_FLOAT64 opj_dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient) {
- return opj_dwt_norms_real[orient][level];
-}
+ 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);
+ }
-void opj_dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, OPJ_UINT32 prec) {
- OPJ_UINT32 numbands, bandno;
- numbands = 3 * tccp->numresolutions - 2;
- for (bandno = 0; bandno < numbands; bandno++) {
- OPJ_FLOAT64 stepsize;
- OPJ_UINT32 resno, level, orient, gain;
-
- resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1);
- orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1);
- level = tccp->numresolutions - 1 - resno;
- gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) || (orient == 2)) ? 1 : 2));
- if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
- stepsize = 1.0;
- } else {
- OPJ_FLOAT64 norm = opj_dwt_norms_real[orient][level];
- stepsize = (1 << (gain)) / norm;
- }
- opj_dwt_encode_stepsize((OPJ_INT32) floor(stepsize * 8192.0), (OPJ_INT32)(prec + gain), &tccp->stepsizes[bandno]);
- }
+ /* 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));
}
-/* <summary> */
-/* Determine maximum computed resolution level for inverse wavelet transform */
-/* </summary> */
-static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* restrict r, OPJ_UINT32 i) {
- OPJ_UINT32 mr = 0;
- OPJ_UINT32 w;
- while( --i ) {
- ++r;
- if( mr < ( w = (OPJ_UINT32)(r->x1 - r->x0) ) )
- mr = w ;
- if( mr < ( w = (OPJ_UINT32)(r->y1 - r->y0) ) )
- mr = w ;
- }
- return mr ;
+
+#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
}
-typedef struct
+#if (defined(__SSE2__) || defined(__AVX2__)) && !defined(STANDARD_SLOW_VERSION)
+
+/* Conveniency macros to improve the readability of the formulas */
+#if __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_dwt_t h;
- DWT1DFN dwt_1D;
- OPJ_UINT32 rw;
- OPJ_UINT32 w;
- OPJ_INT32 * restrict tiledp;
- int min_j;
- int max_j;
-} opj_dwd_decode_h_job_t;
+ 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]));
+ }
+}
-static void opj_dwt_decode_h_func(void* user_data, opj_tls_t* tls)
+/** 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)
{
- int j;
- opj_dwd_decode_h_job_t* job;
- (void)tls;
+ 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 __AVX2__
+ assert(PARALLEL_COLS_53 == 16);
+ assert(VREG_INT_COUNT == 8);
+#else
+ assert(PARALLEL_COLS_53 == 8);
+ assert(VREG_INT_COUNT == 4);
+#endif
- job = (opj_dwd_decode_h_job_t*)user_data;
- for( j = job->min_j; j < job->max_j; j++ )
- {
- opj_dwt_interleave_h(&job->h, &job->tiledp[j*job->w]);
- (job->dwt_1D)(&job->h);
- memcpy(&job->tiledp[j*job->w], job->h.mem, job->rw * sizeof(OPJ_INT32));
+ /* 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);
+
+ 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)));
}
- opj_aligned_free(job->h.mem);
- opj_free(job);
+ 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);
}
-typedef struct
-{
- opj_dwt_t v;
- DWT1DFN dwt_1D;
- OPJ_UINT32 rh;
- OPJ_UINT32 w;
- OPJ_INT32 * restrict tiledp;
- int min_j;
- int max_j;
-} opj_dwd_decode_v_job_t;
-static void opj_dwt_decode_v_func(void* user_data, opj_tls_t* tls)
+/** 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)
{
- int j;
- opj_dwd_decode_v_job_t* job;
- (void)tls;
+ OPJ_INT32 i;
+ OPJ_SIZE_T j;
- job = (opj_dwd_decode_v_job_t*)user_data;
- for( j = job->min_j; j < job->max_j; j++ )
- {
- OPJ_UINT32 k;
- opj_dwt_interleave_v(&job->v, &job->tiledp[j], (OPJ_INT32)job->w);
- (job->dwt_1D)(&job->v);
- for(k = 0; k < job->rh; ++k) {
- job->tiledp[k * job->w + j] = job->v.mem[k];
- }
+ 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 __AVX2__
+ assert(PARALLEL_COLS_53 == 16);
+ assert(VREG_INT_COUNT == 8);
+#else
+ assert(PARALLEL_COLS_53 == 8);
+ assert(VREG_INT_COUNT == 4);
+#endif
+
+ /* 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);
+
+ 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_aligned_free(job->v.mem);
- opj_free(job);
+ 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;
-/* <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, DWT1DFN dwt_1D) {
- opj_dwt_t h;
- opj_dwt_t v;
+ assert(len > 1);
- opj_tcd_resolution_t* tr = tilec->resolutions;
+ /* Performs lifting in one single iteration. Saves memory */
+ /* accesses and explicit interleaving. */
- 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 */
+ s1n = tiledp_col[0];
+ d1n = tiledp_col[(OPJ_SIZE_T)sn * stride];
+ s0n = s1n - ((d1n + 1) >> 1);
- OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
- size_t h_mem_size;
- int num_threads;
-
- if (numres == 1U) {
- return OPJ_TRUE;
- }
- num_threads = opj_thread_pool_get_thread_count(tp);
- h_mem_size = opj_dwt_max_resolution(tr, numres) * sizeof(OPJ_INT32);
- h.mem = (OPJ_INT32*)opj_aligned_malloc(h_mem_size);
- if (! h.mem){
- /* FIXME event manager error callback */
- return OPJ_FALSE;
- }
-
- v.mem = h.mem;
-
- while( --numres) {
- OPJ_INT32 * restrict tiledp = tilec->data;
- OPJ_UINT32 j;
-
- ++tr;
- h.sn = (OPJ_INT32)rw;
- v.sn = (OPJ_INT32)rh;
-
- rw = (OPJ_UINT32)(tr->x1 - tr->x0);
- rh = (OPJ_UINT32)(tr->y1 - tr->y0);
-
- h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn);
- h.cas = tr->x0 % 2;
-
- if( num_threads <= 1 || rh == 1 )
- {
- for(j = 0; j < rh; ++j) {
- opj_dwt_interleave_h(&h, &tiledp[j*w]);
- (dwt_1D)(&h);
- memcpy(&tiledp[j*w], h.mem, rw * sizeof(OPJ_INT32));
- }
- }
- else
- {
- int num_jobs = num_threads;
- if( rh < num_jobs )
- num_jobs = rh;
- for( j = 0; j < num_jobs; j++ )
- {
- opj_dwd_decode_h_job_t* job;
+ for (i = 0, j = 0; i < (len - 3); i += 2, j++) {
+ d1c = d1n;
+ s0c = s0n;
- job = (opj_dwd_decode_h_job_t*) opj_malloc(sizeof(opj_dwd_decode_h_job_t));
- job->h = h;
- job->dwt_1D = dwt_1D;
- job->rw = rw;
- job->w = w;
- job->tiledp = tiledp;
- job->min_j = j * (rh / num_jobs);
- job->max_j = (j+1) * (rh / num_jobs);
- if( job->max_j > rh || j == num_jobs - 1 )
- job->max_j = rh;
- job->h.mem = (OPJ_INT32*)opj_aligned_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);
- }
+ s1n = tiledp_col[(OPJ_SIZE_T)(j + 1) * stride];
+ d1n = tiledp_col[(OPJ_SIZE_T)(sn + j + 1) * stride];
- v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
- v.cas = tr->y0 % 2;
+ s0n = opj_int_sub_no_overflow(s1n,
+ opj_int_add_no_overflow(opj_int_add_no_overflow(d1c, d1n), 2) >> 2);
- if( num_threads <= 1 || rw == 1 )
- {
- for(j = 0; j < rw; ++j){
- OPJ_UINT32 k;
- opj_dwt_interleave_v(&v, &tiledp[j], (OPJ_INT32)w);
- (dwt_1D)(&v);
- for(k = 0; k < rh; ++k) {
- tiledp[k * w + j] = v.mem[k];
- }
- }
- }
- else
- {
- int num_jobs = num_threads;
- if( rw < num_jobs )
- num_jobs = rw;
- for( j = 0; j < num_jobs; j++ )
- {
- opj_dwd_decode_v_job_t* job;
+ tmp[i ] = s0c;
+ tmp[i + 1] = d1c + ((s0c + s0n) >> 1);
+ }
- job = (opj_dwd_decode_v_job_t*) opj_malloc(sizeof(opj_dwd_decode_v_job_t));
- job->v = v;
- job->dwt_1D = dwt_1D;
- job->rh = rh;
- job->w = w;
- job->tiledp = tiledp;
- job->min_j = j * (rw / num_jobs);
- job->max_j = (j+1) * (rw / num_jobs);
- if( job->max_j > rw || j == num_jobs - 1 )
- job->max_j = rw;
- job->v.mem = (OPJ_INT32*)opj_aligned_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;
-}
+ 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;
+ }
-static void opj_v4dwt_interleave_h(opj_v4dwt_t* restrict w, OPJ_FLOAT32* restrict a, OPJ_INT32 x, OPJ_INT32 size){
- OPJ_FLOAT32* restrict bi = (OPJ_FLOAT32*) (w->wavelet + w->cas);
- OPJ_INT32 count = w->sn;
- OPJ_INT32 i, k;
-
- for(k = 0; k < 2; ++k){
- if ( count + 3 * x < size && ((size_t) a & 0x0f) == 0 && ((size_t) bi & 0x0f) == 0 && (x & 0x0f) == 0 ) {
- /* Fast code path */
- for(i = 0; i < count; ++i){
- OPJ_INT32 j = i;
- bi[i*8 ] = a[j];
- j += x;
- bi[i*8 + 1] = a[j];
- j += x;
- bi[i*8 + 2] = a[j];
- j += x;
- bi[i*8 + 3] = a[j];
- }
- }
- else {
- /* Slow code path */
- for(i = 0; i < count; ++i){
- OPJ_INT32 j = i;
- bi[i*8 ] = a[j];
- j += x;
- if(j >= size) continue;
- bi[i*8 + 1] = a[j];
- j += x;
- if(j >= size) continue;
- bi[i*8 + 2] = a[j];
- j += x;
- if(j >= size) continue;
- bi[i*8 + 3] = a[j]; /* This one*/
- }
- }
-
- bi = (OPJ_FLOAT32*) (w->wavelet + 1 - w->cas);
- a += w->sn;
- size -= w->sn;
- count = w->dn;
- }
+ for (i = 0; i < len; ++i) {
+ tiledp_col[(OPJ_SIZE_T)i * stride] = tmp[i];
+ }
}
-static void opj_v4dwt_interleave_v(opj_v4dwt_t* restrict v , OPJ_FLOAT32* restrict a , OPJ_INT32 x, OPJ_INT32 nb_elts_read){
- opj_v4_t* restrict bi = v->wavelet + v->cas;
- OPJ_INT32 i;
- for(i = 0; i < v->sn; ++i){
- memcpy(&bi[i*2], &a[i*x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32));
- }
+/** 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];
- a += v->sn * x;
- bi = v->wavelet + 1 - v->cas;
+ assert(len > 2);
- for(i = 0; i < v->dn; ++i){
- memcpy(&bi[i*2], &a[i*x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32));
- }
-}
+ /* Performs lifting in one single iteration. Saves memory */
+ /* accesses and explicit interleaving. */
-#ifdef __SSE__
+ 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++) {
-static void opj_v4dwt_decode_step1_sse(opj_v4_t* w, OPJ_INT32 count, const __m128 c){
- __m128* restrict vw = (__m128*) w;
- OPJ_INT32 i;
- /* 4x unrolled loop */
- for(i = 0; i < count >> 2; ++i){
- *vw = _mm_mul_ps(*vw, c);
- vw += 2;
- *vw = _mm_mul_ps(*vw, c);
- vw += 2;
- *vw = _mm_mul_ps(*vw, c);
- vw += 2;
- *vw = _mm_mul_ps(*vw, c);
- vw += 2;
- }
- count &= 3;
- for(i = 0; i < count; ++i){
- *vw = _mm_mul_ps(*vw, c);
- vw += 2;
- }
-}
+ s2 = in_even[(OPJ_SIZE_T)(j + 1) * stride];
-void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, __m128 c){
- __m128* restrict vl = (__m128*) l;
- __m128* restrict vw = (__m128*) w;
- OPJ_INT32 i;
- __m128 tmp1, tmp2, tmp3;
- tmp1 = vl[0];
- for(i = 0; i < m; ++i){
- tmp2 = vw[-1];
- tmp3 = vw[ 0];
- vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c));
- tmp1 = tmp3;
- vw += 2;
- }
- vl = vw - 2;
- if(m >= k){
- return;
- }
- c = _mm_add_ps(c, c);
- c = _mm_mul_ps(c, vl[0]);
- for(; m < k; ++m){
- __m128 tmp = vw[-1];
- vw[-1] = _mm_add_ps(tmp, c);
- vw += 2;
- }
-}
+ dn = in_odd[(OPJ_SIZE_T)j * stride] - ((s1 + s2 + 2) >> 2);
+ tmp[i ] = dc;
+ tmp[i + 1] = s1 + ((dn + dc) >> 1);
-#else
+ 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;
+ }
-static void opj_v4dwt_decode_step1(opj_v4_t* w, OPJ_INT32 count, const OPJ_FLOAT32 c)
-{
- OPJ_FLOAT32* restrict fw = (OPJ_FLOAT32*) w;
- OPJ_INT32 i;
- for(i = 0; i < count; ++i){
- OPJ_FLOAT32 tmp1 = fw[i*8 ];
- OPJ_FLOAT32 tmp2 = fw[i*8 + 1];
- OPJ_FLOAT32 tmp3 = fw[i*8 + 2];
- OPJ_FLOAT32 tmp4 = fw[i*8 + 3];
- fw[i*8 ] = tmp1 * c;
- fw[i*8 + 1] = tmp2 * c;
- fw[i*8 + 2] = tmp3 * c;
- fw[i*8 + 3] = tmp4 * c;
- }
+ for (i = 0; i < len; ++i) {
+ tiledp_col[(OPJ_SIZE_T)i * stride] = tmp[i];
+ }
}
+#endif /* !defined(STANDARD_SLOW_VERSION) */
-static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c)
+/* <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)
{
- OPJ_FLOAT32* fl = (OPJ_FLOAT32*) l;
- OPJ_FLOAT32* fw = (OPJ_FLOAT32*) w;
- OPJ_INT32 i;
- for(i = 0; i < m; ++i){
- OPJ_FLOAT32 tmp1_1 = fl[0];
- OPJ_FLOAT32 tmp1_2 = fl[1];
- OPJ_FLOAT32 tmp1_3 = fl[2];
- OPJ_FLOAT32 tmp1_4 = fl[3];
- OPJ_FLOAT32 tmp2_1 = fw[-4];
- OPJ_FLOAT32 tmp2_2 = fw[-3];
- OPJ_FLOAT32 tmp2_3 = fw[-2];
- OPJ_FLOAT32 tmp2_4 = fw[-1];
- OPJ_FLOAT32 tmp3_1 = fw[0];
- OPJ_FLOAT32 tmp3_2 = fw[1];
- OPJ_FLOAT32 tmp3_3 = fw[2];
- OPJ_FLOAT32 tmp3_4 = fw[3];
- fw[-4] = tmp2_1 + ((tmp1_1 + tmp3_1) * c);
- fw[-3] = tmp2_2 + ((tmp1_2 + tmp3_2) * c);
- fw[-2] = tmp2_3 + ((tmp1_3 + tmp3_3) * c);
- fw[-1] = tmp2_4 + ((tmp1_4 + tmp3_4) * c);
- fl = fw;
- fw += 8;
- }
- if(m < k){
- OPJ_FLOAT32 c1;
- OPJ_FLOAT32 c2;
- OPJ_FLOAT32 c3;
- OPJ_FLOAT32 c4;
- c += c;
- c1 = fl[0] * c;
- c2 = fl[1] * c;
- c3 = fl[2] * c;
- c4 = fl[3] * c;
- for(; m < k; ++m){
- OPJ_FLOAT32 tmp1 = fw[-4];
- OPJ_FLOAT32 tmp2 = fw[-3];
- OPJ_FLOAT32 tmp3 = fw[-2];
- OPJ_FLOAT32 tmp4 = fw[-1];
- fw[-4] = tmp1 + c1;
- fw[-3] = tmp2 + c2;
- fw[-2] = tmp3 + c3;
- fw[-1] = tmp4 + c4;
- fw += 8;
- }
- }
-}
-
+#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;
+ }
-/* <summary> */
+ 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;
+
+ if (numres == 1U) {
+ 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_v4dwt_decode(opj_v4dwt_t* restrict dwt)
+static void opj_v8dwt_decode(opj_v8dwt_t* OPJ_RESTRICT dwt)
{
- OPJ_INT32 a, b;
- if(dwt->cas == 0) {
- if(!((dwt->dn > 0) || (dwt->sn > 1))){
- return;
- }
- a = 0;
- b = 1;
- }else{
- if(!((dwt->sn > 0) || (dwt->dn > 1))) {
- return;
- }
- a = 1;
- b = 0;
- }
+ 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_v4dwt_decode_step1_sse(dwt->wavelet+a, dwt->sn, _mm_set1_ps(opj_K));
- opj_v4dwt_decode_step1_sse(dwt->wavelet+b, dwt->dn, _mm_set1_ps(opj_c13318));
- opj_v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(opj_dwt_delta));
- opj_v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(opj_dwt_gamma));
- opj_v4dwt_decode_step2_sse(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), _mm_set1_ps(opj_dwt_beta));
- opj_v4dwt_decode_step2_sse(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), _mm_set1_ps(opj_dwt_alpha));
+ 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_v4dwt_decode_step1(dwt->wavelet+a, dwt->sn, opj_K);
- opj_v4dwt_decode_step1(dwt->wavelet+b, dwt->dn, opj_c13318);
- opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), opj_dwt_delta);
- opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), opj_dwt_gamma);
- opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), opj_dwt_beta);
- opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), opj_dwt_alpha);
+ 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> */
-OPJ_BOOL opj_dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, OPJ_UINT32 numres)
+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)
{
- opj_v4dwt_t h;
- opj_v4dwt_t v;
-
- opj_tcd_resolution_t* res = tilec->resolutions;
-
- OPJ_UINT32 rw = (OPJ_UINT32)(res->x1 - res->x0); /* width of the resolution level computed */
- OPJ_UINT32 rh = (OPJ_UINT32)(res->y1 - res->y0); /* height of the resolution level computed */
-
- OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0);
-
- h.wavelet = (opj_v4_t*) opj_aligned_malloc((opj_dwt_max_resolution(res, numres)+5) * sizeof(opj_v4_t));
- if (!h.wavelet) {
- /* FIXME event manager error callback */
- return OPJ_FALSE;
- }
- v.wavelet = h.wavelet;
-
- while( --numres) {
- OPJ_FLOAT32 * restrict aj = (OPJ_FLOAT32*) tilec->data;
- OPJ_UINT32 bufsize = (OPJ_UINT32)((tilec->x1 - tilec->x0) * (tilec->y1 - tilec->y0));
- OPJ_INT32 j;
-
- h.sn = (OPJ_INT32)rw;
- v.sn = (OPJ_INT32)rh;
-
- ++res;
-
- rw = (OPJ_UINT32)(res->x1 - res->x0); /* width of the resolution level computed */
- rh = (OPJ_UINT32)(res->y1 - res->y0); /* height of the resolution level computed */
-
- h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn);
- h.cas = res->x0 % 2;
-
- for(j = (OPJ_INT32)rh; j > 3; j -= 4) {
- OPJ_INT32 k;
- opj_v4dwt_interleave_h(&h, aj, (OPJ_INT32)w, (OPJ_INT32)bufsize);
- opj_v4dwt_decode(&h);
-
- for(k = (OPJ_INT32)rw; --k >= 0;){
- aj[k ] = h.wavelet[k].f[0];
- aj[k+(OPJ_INT32)w ] = h.wavelet[k].f[1];
- aj[k+(OPJ_INT32)w*2] = h.wavelet[k].f[2];
- aj[k+(OPJ_INT32)w*3] = h.wavelet[k].f[3];
- }
-
- aj += w*4;
- bufsize -= w*4;
- }
-
- if (rh & 0x03) {
- OPJ_INT32 k;
- j = rh & 0x03;
- opj_v4dwt_interleave_h(&h, aj, (OPJ_INT32)w, (OPJ_INT32)bufsize);
- opj_v4dwt_decode(&h);
- for(k = (OPJ_INT32)rw; --k >= 0;){
- switch(j) {
- case 3: aj[k+(OPJ_INT32)w*2] = h.wavelet[k].f[2];
- case 2: aj[k+(OPJ_INT32)w ] = h.wavelet[k].f[1];
- case 1: aj[k ] = h.wavelet[k].f[0];
- }
- }
- }
-
- v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn);
- v.cas = res->y0 % 2;
-
- aj = (OPJ_FLOAT32*) tilec->data;
- for(j = (OPJ_INT32)rw; j > 3; j -= 4){
- OPJ_UINT32 k;
-
- opj_v4dwt_interleave_v(&v, aj, (OPJ_INT32)w, 4);
- opj_v4dwt_decode(&v);
-
- for(k = 0; k < rh; ++k){
- memcpy(&aj[k*w], &v.wavelet[k], 4 * sizeof(OPJ_FLOAT32));
- }
- aj += 4;
- }
-
- if (rw & 0x03){
- OPJ_UINT32 k;
-
- j = rw & 0x03;
-
- opj_v4dwt_interleave_v(&v, aj, (OPJ_INT32)w, j);
- opj_v4dwt_decode(&v);
-
- for(k = 0; k < rh; ++k){
- memcpy(&aj[k*w], &v.wavelet[k], (size_t)j * sizeof(OPJ_FLOAT32));
- }
- }
- }
-
- opj_aligned_free(h.wavelet);
- return OPJ_TRUE;
+ 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);
+ }
}
projects / openjpeg.git / blobdiff