diff options
Diffstat (limited to 'third_party/libopenjpeg20/dwt.c')
| -rw-r--r-- | third_party/libopenjpeg20/dwt.c | 2255 |
1 files changed, 1585 insertions, 670 deletions
diff --git a/third_party/libopenjpeg20/dwt.c b/third_party/libopenjpeg20/dwt.c index 1bcb108163..8bf23b6d60 100644 --- a/third_party/libopenjpeg20/dwt.c +++ b/third_party/libopenjpeg20/dwt.c @@ -1,6 +1,6 @@ /* - * The copyright in this software is being made available under the 2-clauses - * BSD License, included below. This software may be subject to other third + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third * party and contributor rights, including patent rights, and no such rights * are granted under this license. * @@ -8,11 +8,12 @@ * 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 @@ -37,35 +38,62 @@ * 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 */ /*@{*/ +#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_SIZE_T mem_count; - OPJ_INT32 dn; - OPJ_INT32 sn; - OPJ_INT32 cas; + OPJ_INT32* mem; + OPJ_SIZE_T mem_count; + OPJ_INT32 dn; + OPJ_INT32 sn; + OPJ_INT32 cas; } opj_dwt_t; typedef union { - OPJ_FLOAT32 f[4]; + 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_v4_t* wavelet ; + OPJ_INT32 dn ; + OPJ_INT32 sn ; + OPJ_INT32 cas ; } opj_v4dwt_t ; static const OPJ_FLOAT32 opj_dwt_alpha = 1.586134342f; /* 12994 */ @@ -79,9 +107,9 @@ static const OPJ_FLOAT32 opj_c13318 = 1.625732422f; /*@}*/ /** -Virtual function type for wavelet transform in 1-D +Virtual function type for wavelet transform in 1-D */ -typedef void (*DWT1DFN)(opj_dwt_t* v); +typedef void (*DWT1DFN)(const opj_dwt_t* v); /** @name Local static functions */ /*@{*/ @@ -89,64 +117,66 @@ typedef void (*DWT1DFN)(opj_dwt_t* v); /** 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); +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); +static void opj_dwt_deinterleave_v(OPJ_INT32 *a, OPJ_INT32 *b, OPJ_INT32 dn, + OPJ_INT32 sn, OPJ_INT32 x, OPJ_INT32 cas); /** Forward 5-3 wavelet transform in 1-D */ -static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_SIZE_T a_count, 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_SIZE_T a_count, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas); +static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_SIZE_T a_count, 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_SIZE_T a_count, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas); +static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_SIZE_T a_count, + 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(const opj_tcd_tilecomp_t* tilec, OPJ_UINT32 i, DWT1DFN fn); +static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp, + const opj_tcd_tilecomp_t* tilec, OPJ_UINT32 i); static OPJ_BOOL opj_dwt_encode_procedure(const opj_tcd_tilecomp_t * tilec, - void(*p_function)(OPJ_INT32 *, OPJ_SIZE_T, OPJ_INT32, OPJ_INT32, OPJ_INT32)); + void(*p_function)(OPJ_INT32 *, OPJ_SIZE_T, OPJ_INT32, OPJ_INT32, OPJ_INT32)); -static OPJ_UINT32 opj_dwt_max_resolution(opj_tcd_resolution_t* restrict r, OPJ_UINT32 i); +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_decode(opj_v4dwt_t* OPJ_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_h(opj_v4dwt_t* OPJ_RESTRICT w, + OPJ_FLOAT32* OPJ_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); +static void opj_v4dwt_interleave_v(opj_v4dwt_t* OPJ_RESTRICT v, + OPJ_FLOAT32* OPJ_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_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); +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_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); +static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, + OPJ_INT32 m, OPJ_FLOAT32 c); #endif @@ -173,332 +203,1014 @@ static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_IN /* This table contains the norms of the 5-3 wavelets for different bands. */ /* </summary> */ static const OPJ_FLOAT64 opj_dwt_norms[4][10] = { - {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3}, - {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9}, - {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9}, - {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93} + {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3}, + {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9}, + {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9}, + {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93} }; /* <summary> */ /* This table contains the norms of the 9-7 wavelets for different bands. */ /* </summary> */ static const OPJ_FLOAT64 opj_dwt_norms_real[4][10] = { - {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9}, - {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0}, - {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0}, - {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2} + {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; - } - +/* </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; + l_src = a + 1 - cas; - for (i=0; i<dn; ++i) { - *l_dest++=*l_src; - l_src += 2; - } + for (i = 0; i < dn; ++i) { + *l_dest++ = *l_src; + l_src += 2; + } } -/* <summary> */ +/* <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) { +/* </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; + OPJ_INT32 * l_dest = b; + OPJ_INT32 * l_src = a + cas; while (i--) { - *l_dest = *l_src; - l_dest += x; - l_src += 2; - } /* b[i*x]=a[2*i+cas]; */ - - l_dest = b + sn * x; - l_src = a + 1 - cas; - - i = dn; + *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)];*/ + *l_dest = *l_src; + l_dest += x; + l_src += 2; + } /*b[(sn+i)*x]=a[(2*i+1-cas)];*/ } +#ifdef STANDARD_SLOW_VERSION /* <summary> */ /* Inverse lazy transform (horizontal). */ /* </summary> */ -static void opj_dwt_interleave_h(opj_dwt_t* h, OPJ_INT32 *a) { +static void opj_dwt_interleave_h(const opj_dwt_t* h, OPJ_INT32 *a) +{ OPJ_INT32 *ai = a; OPJ_INT32 *bi = h->mem + h->cas; - OPJ_INT32 i = h->sn; - while( i-- ) { - *bi = *(ai++); - bi += 2; + 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; + 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) { +/* </summary> */ +static void opj_dwt_interleave_v(const opj_dwt_t* v, OPJ_INT32 *a, OPJ_INT32 x) +{ OPJ_INT32 *ai = a; OPJ_INT32 *bi = v->mem + v->cas; OPJ_INT32 i = v->sn; - while( i-- ) { - *bi = *ai; - bi += 2; - ai += x; + while (i--) { + *bi = *ai; + bi += 2; + ai += x; } ai = a + (v->sn * x); bi = v->mem + 1 - v->cas; i = v->dn ; - while( i-- ) { - *bi = *ai; - bi += 2; - ai += x; + while (i--) { + *bi = *ai; + bi += 2; + ai += x; } } +#endif /* STANDARD_SLOW_VERSION */ /* <summary> */ /* Forward 5-3 wavelet transform in 1-D. */ /* </summary> */ -static void opj_dwt_encode_1(OPJ_INT32 *a, OPJ_SIZE_T a_count, 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_encode_1(OPJ_INT32 *a, OPJ_SIZE_T a_count, 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; + } + } + } } +#ifdef STANDARD_SLOW_VERSION /* <summary> */ /* Inverse 5-3 wavelet transform in 1-D. */ -/* </summary> */ -static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_SIZE_T a_count, OPJ_INT32 dn, OPJ_INT32 sn, OPJ_INT32 cas) { - OPJ_INT32 i; - - if (!cas) { - if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */ - for (i = 0; i < sn; i++) OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2; - for (i = 0; i < dn; i++) OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1; - } - } else { - if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */ - OPJ_S(0) /= 2; - else { - for (i = 0; i < sn; i++) OPJ_D(i) -= (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2; - for (i = 0; i < dn; i++) OPJ_S(i) += (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1; - } - } +/* </summary> */ +static void opj_dwt_decode_1_(OPJ_INT32 *a, OPJ_SIZE_T a_count, OPJ_INT32 dn, + OPJ_INT32 sn, OPJ_INT32 cas) +{ + OPJ_INT32 i; + + if (!cas) { + if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */ + for (i = 0; i < sn; i++) { + OPJ_S(i) -= (OPJ_D_(i - 1) + OPJ_D_(i) + 2) >> 2; + } + for (i = 0; i < dn; i++) { + OPJ_D(i) += (OPJ_S_(i) + OPJ_S_(i + 1)) >> 1; + } + } + } else { + if (!sn && dn == 1) { /* NEW : CASE ONE ELEMENT */ + OPJ_S(0) /= 2; + } else { + for (i = 0; i < sn; i++) { + OPJ_D(i) -= (OPJ_SS_(i) + OPJ_SS_(i + 1) + 2) >> 2; + } + for (i = 0; i < dn; i++) { + OPJ_S(i) += (OPJ_DD_(i) + OPJ_DD_(i - 1)) >> 1; + } + } + } } -/* <summary> */ -/* Inverse 5-3 wavelet transform in 1-D. */ -/* </summary> */ -static void opj_dwt_decode_1(opj_dwt_t *v) { - opj_dwt_decode_1_(v->mem, v->mem_count, v->dn, v->sn, v->cas); +static void opj_dwt_decode_1(const opj_dwt_t *v) +{ + opj_dwt_decode_1_(v->mem, v->mem_count, 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_SIZE_T a_count, 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 */ - } - } -} - -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 -========================================================== -*/ +#endif /* STANDARD_SLOW_VERSION */ + +#if !defined(STANDARD_SLOW_VERSION) +static void opj_idwt53_h_cas0(OPJ_INT32* tmp, + const OPJ_INT32 sn, + const OPJ_INT32 len, + OPJ_INT32* tiledp) +{ + OPJ_INT32 i, j; + const OPJ_INT32* in_even = &tiledp[0]; + const OPJ_INT32* in_odd = &tiledp[sn]; + +#ifdef TWO_PASS_VERSION + /* For documentation purpose: performs lifting in two iterations, */ + /* but without explicit interleaving */ + + assert(len > 1); + + /* Even */ + tmp[0] = in_even[0] - ((in_odd[0] + 1) >> 1); + for (i = 2, j = 0; i <= len - 2; i += 2, j++) { + tmp[i] = in_even[j + 1] - ((in_odd[j] + in_odd[j + 1] + 2) >> 2); + } + if (len & 1) { /* if len is odd */ + tmp[len - 1] = in_even[(len - 1) / 2] - ((in_odd[(len - 2) / 2] + 1) >> 1); + } + + /* Odd */ + for (i = 1, j = 0; i < len - 1; i += 2, j++) { + tmp[i] = in_odd[j] + ((tmp[i - 1] + tmp[i + 1]) >> 1); + } + if (!(len & 1)) { /* if len is even */ + tmp[len - 1] = in_odd[(len - 1) / 2] + tmp[len - 2]; + } +#else + OPJ_INT32 d1c, d1n, s1n, s0c, s0n; + + assert(len > 1); + /* Improved version of the TWO_PASS_VERSION: */ + /* Performs lifting in one single iteration. Saves memory */ + /* accesses and explicit interleaving. */ + s1n = in_even[0]; + d1n = in_odd[0]; + s0n = s1n - ((d1n + 1) >> 1); + + for (i = 0, j = 1; i < (len - 3); i += 2, j++) { + d1c = d1n; + s0c = s0n; + + s1n = in_even[j]; + d1n = in_odd[j]; + + s0n = s1n - ((d1c + d1n + 2) >> 2); + + tmp[i ] = s0c; + tmp[i + 1] = d1c + ((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)); +} + +static void opj_idwt53_h_cas1(OPJ_INT32* tmp, + const OPJ_INT32 sn, + const OPJ_INT32 len, + OPJ_INT32* tiledp) +{ + OPJ_INT32 i, j; + const OPJ_INT32* in_even = &tiledp[sn]; + const OPJ_INT32* in_odd = &tiledp[0]; + +#ifdef TWO_PASS_VERSION + /* For documentation purpose: performs lifting in two iterations, */ + /* but without explicit interleaving */ + + assert(len > 2); + + /* Odd */ + for (i = 1, j = 0; i < len - 1; i += 2, j++) { + tmp[i] = in_odd[j] - ((in_even[j] + in_even[j + 1] + 2) >> 2); + } + if (!(len & 1)) { + tmp[len - 1] = in_odd[len / 2 - 1] - ((in_even[len / 2 - 1] + 1) >> 1); + } + + /* Even */ + tmp[0] = in_even[0] + tmp[1]; + for (i = 2, j = 1; i < len - 1; i += 2, j++) { + tmp[i] = in_even[j] + ((tmp[i + 1] + tmp[i - 1]) >> 1); + } + if (len & 1) { + tmp[len - 1] = in_even[len / 2] + tmp[len - 2]; + } +#else + OPJ_INT32 s1, s2, dc, dn; + + assert(len > 2); + + /* Improved version of the TWO_PASS_VERSION: */ + /* Performs lifting in one single iteration. Saves memory */ + /* accesses and explicit interleaving. */ + + s1 = in_even[1]; + dc = in_odd[0] - ((in_even[0] + s1 + 2) >> 2); + tmp[0] = in_even[0] + dc; + + for (i = 1, j = 1; i < (len - 2 - !(len & 1)); i += 2, j++) { + + s2 = in_even[j + 1]; + + dn = in_odd[j] - ((s1 + s2 + 2) >> 2); + tmp[i ] = dc; + tmp[i + 1] = s1 + ((dn + dc) >> 1); + + dc = dn; + s1 = s2; + } + + tmp[i] = dc; + + if (!(len & 1)) { + dn = in_odd[len / 2 - 1] - ((s1 + 1) >> 1); + tmp[len - 2] = s1 + ((dn + dc) >> 1); + tmp[len - 1] = dn; + } else { + tmp[len - 1] = s1 + dc; + } +#endif + memcpy(tiledp, tmp, (OPJ_UINT32)len * sizeof(OPJ_INT32)); +} + + +#endif /* !defined(STANDARD_SLOW_VERSION) */ /* <summary> */ -/* Forward 5-3 wavelet transform in 2-D. */ +/* Inverse 5-3 wavelet transform in 1-D for one row. */ /* </summary> */ -static INLINE OPJ_BOOL opj_dwt_encode_procedure(const opj_tcd_tilecomp_t * tilec, void(*p_function)(OPJ_INT32 *, OPJ_SIZE_T, OPJ_INT32, OPJ_INT32, OPJ_INT32)) +/* Performs interleave, inverse wavelet transform and copy back to buffer */ +static void opj_idwt53_h(const opj_dwt_t *dwt, + OPJ_INT32* tiledp) { - OPJ_INT32 i, j, k; - OPJ_INT32 *a = 00; - OPJ_INT32 *aj = 00; - OPJ_INT32 *bj = 00; - OPJ_INT32 w, l; +#ifdef STANDARD_SLOW_VERSION + /* For documentation purpose */ + opj_dwt_interleave_h(dwt, tiledp); + opj_dwt_decode_1(dwt); + memcpy(tiledp, dwt->mem, (OPJ_UINT32)(dwt->sn + dwt->dn) * sizeof(OPJ_INT32)); +#else + const OPJ_INT32 sn = dwt->sn; + const OPJ_INT32 len = sn + dwt->dn; + if (dwt->cas == 0) { /* Left-most sample is on even coordinate */ + if (len > 1) { + opj_idwt53_h_cas0(dwt->mem, sn, len, tiledp); + } else { + /* Unmodified value */ + } + } else { /* Left-most sample is on odd coordinate */ + if (len == 1) { + tiledp[0] /= 2; + } else if (len == 2) { + OPJ_INT32* out = dwt->mem; + const OPJ_INT32* in_even = &tiledp[sn]; + const OPJ_INT32* in_odd = &tiledp[0]; + out[1] = in_odd[0] - ((in_even[0] + 1) >> 1); + out[0] = in_even[0] + out[1]; + memcpy(tiledp, dwt->mem, (OPJ_UINT32)len * sizeof(OPJ_INT32)); + } else if (len > 2) { + opj_idwt53_h_cas1(dwt->mem, sn, len, tiledp); + } + } +#endif +} + +#if (defined(__SSE2__) || defined(__AVX2__)) && !defined(STANDARD_SLOW_VERSION) + +/* Conveniency macros to improve the readabilty 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_INT32 stride) +{ + OPJ_INT32 i; + for (i = 0; i < len; ++i) { + /* A memcpy(&tiledp_col[i * stride + 0], + &tmp[PARALLEL_COLS_53 * i + 0], + PARALLEL_COLS_53 * sizeof(OPJ_INT32)) + would do but would be a tiny bit slower. + We can take here advantage of our knowledge of alignment */ + STOREU(&tiledp_col[i * stride + 0], + LOAD(&tmp[PARALLEL_COLS_53 * i + 0])); + STOREU(&tiledp_col[i * stride + VREG_INT_COUNT], + LOAD(&tmp[PARALLEL_COLS_53 * i + VREG_INT_COUNT])); + } +} + +/** Vertical inverse 5x3 wavelet transform for 8 columns in SSE2, or + * 16 in AVX2, when top-most pixel is on even coordinate */ +static void opj_idwt53_v_cas0_mcols_SSE2_OR_AVX2( + OPJ_INT32* tmp, + const OPJ_INT32 sn, + const OPJ_INT32 len, + OPJ_INT32* tiledp_col, + const OPJ_INT32 stride) +{ + const OPJ_INT32* in_even = &tiledp_col[0]; + const OPJ_INT32* in_odd = &tiledp_col[sn * stride]; + + OPJ_INT32 i, 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 - OPJ_INT32 rw; /* width of the resolution level computed */ - OPJ_INT32 rh; /* height of the resolution level computed */ - OPJ_SIZE_T l_data_count; - OPJ_SIZE_T l_data_size; + /* 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((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_tcd_resolution_t * l_cur_res = 0; - opj_tcd_resolution_t * l_last_res = 0; + 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 + ((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 + ((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)); + } - w = tilec->x1-tilec->x0; - l = (OPJ_INT32)tilec->numresolutions-1; - a = tilec->data; + opj_idwt53_v_final_memcpy(tiledp_col, tmp, len, stride); +} - l_cur_res = tilec->resolutions + l; - l_last_res = l_cur_res - 1; - l_data_count = opj_dwt_max_resolution(tilec->resolutions, tilec->numresolutions) * (OPJ_UINT32)sizeof(OPJ_INT32); - l_data_size = l_data_count * (OPJ_UINT32)sizeof(OPJ_INT32); - bj = (OPJ_INT32*)opj_malloc(l_data_size); - if (! bj) { - return OPJ_FALSE; - } - i = l; +/** 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_INT32 stride) +{ + OPJ_INT32 i, j; - 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; + VREG s1_0, s2_0, dc_0, dn_0; + VREG s1_1, s2_1, dc_1, dn_1; + const VREG two = LOAD_CST(2); - 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; + const OPJ_INT32* in_even = &tiledp_col[sn * stride]; + const OPJ_INT32* in_odd = &tiledp_col[0]; - cas_row = l_cur_res->x0 & 1; - cas_col = l_cur_res->y0 & 1; + 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 - 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]; - } + /* 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((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 + (len / 2 - 1) * stride), + SAR(ADD3(s1_0, s1_0, two), 2)); + dn_1 = SUB(LOADU(in_odd + (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)); + } - (*p_function) (bj, l_data_count, dn, sn, cas_col); + 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_INT32 stride) +{ + OPJ_INT32 i, j; + OPJ_INT32 d1c, d1n, s1n, s0c, s0n; + + assert(len > 1); - opj_dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col); - } + /* Performs lifting in one single iteration. Saves memory */ + /* accesses and explicit interleaving. */ - sn = rw1; - dn = rw - rw1; + s1n = tiledp_col[0]; + d1n = tiledp_col[sn * stride]; + s0n = s1n - ((d1n + 1) >> 1); - for (j = 0; j < rh; j++) { - aj = a + j * w; - for (k = 0; k < rw; k++) bj[k] = aj[k]; - (*p_function) (bj, l_data_count, dn, sn, cas_row); - opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row); - } + for (i = 0, j = 0; i < (len - 3); i += 2, j++) { + d1c = d1n; + s0c = s0n; - l_cur_res = l_last_res; + s1n = tiledp_col[(j + 1) * stride]; + d1n = tiledp_col[(sn + j + 1) * stride]; - --l_last_res; - } + s0n = s1n - ((d1c + d1n + 2) >> 2); - opj_free(bj); - return OPJ_TRUE; + tmp[i ] = s0c; + tmp[i + 1] = d1c + ((s0c + s0n) >> 1); + } + + tmp[i] = s0n; + + if (len & 1) { + tmp[len - 1] = + tiledp_col[((len - 1) / 2) * stride] - + ((d1n + 1) >> 1); + tmp[len - 2] = d1n + ((s0n + tmp[len - 1]) >> 1); + } else { + tmp[len - 1] = d1n + s0n; + } + + for (i = 0; i < len; ++i) { + tiledp_col[i * stride] = tmp[i]; + } +} + + +/** Vertical inverse 5x3 wavelet transform for one column, when top-most + * pixel is on odd coordinate */ +static void opj_idwt3_v_cas1(OPJ_INT32* tmp, + const OPJ_INT32 sn, + const OPJ_INT32 len, + OPJ_INT32* tiledp_col, + const OPJ_INT32 stride) +{ + OPJ_INT32 i, j; + OPJ_INT32 s1, s2, dc, dn; + const OPJ_INT32* in_even = &tiledp_col[sn * stride]; + const OPJ_INT32* in_odd = &tiledp_col[0]; + + assert(len > 2); + + /* Performs lifting in one single iteration. Saves memory */ + /* accesses and explicit interleaving. */ + + s1 = in_even[stride]; + dc = in_odd[0] - ((in_even[0] + s1 + 2) >> 2); + tmp[0] = in_even[0] + dc; + for (i = 1, j = 1; i < (len - 2 - !(len & 1)); i += 2, j++) { + + s2 = in_even[(j + 1) * stride]; + + dn = in_odd[j * stride] - ((s1 + s2 + 2) >> 2); + tmp[i ] = dc; + tmp[i + 1] = s1 + ((dn + dc) >> 1); + + dc = dn; + s1 = s2; + } + tmp[i] = dc; + if (!(len & 1)) { + dn = in_odd[(len / 2 - 1) * stride] - ((s1 + 1) >> 1); + tmp[len - 2] = s1 + ((dn + dc) >> 1); + tmp[len - 1] = dn; + } else { + tmp[len - 1] = s1 + dc; + } + + for (i = 0; i < len; ++i) { + tiledp_col[i * stride] = tmp[i]; + } +} +#endif /* !defined(STANDARD_SLOW_VERSION) */ + +/* <summary> */ +/* Inverse vertical 5-3 wavelet transform in 1-D for several columns. */ +/* </summary> */ +/* Performs interleave, inverse wavelet transform and copy back to buffer */ +static void opj_idwt53_v(const opj_dwt_t *dwt, + OPJ_INT32* tiledp_col, + OPJ_INT32 stride, + OPJ_INT32 nb_cols) +{ +#ifdef STANDARD_SLOW_VERSION + /* For documentation purpose */ + OPJ_INT32 k, c; + for (c = 0; c < nb_cols; c ++) { + opj_dwt_interleave_v(dwt, tiledp_col + c, stride); + opj_dwt_decode_1(dwt); + for (k = 0; k < dwt->sn + dwt->dn; ++k) { + tiledp_col[c + k * stride] = dwt->mem[k]; + } + } +#else + const OPJ_INT32 sn = dwt->sn; + const OPJ_INT32 len = sn + dwt->dn; + if (dwt->cas == 0) { + /* If len == 1, unmodified value */ + +#if (defined(__SSE2__) || defined(__AVX2__)) + if (len > 1 && nb_cols == PARALLEL_COLS_53) { + /* Same as below general case, except that thanks to SSE2/AVX2 */ + /* we can efficently process 8/16 columns in parallel */ + opj_idwt53_v_cas0_mcols_SSE2_OR_AVX2(dwt->mem, sn, len, tiledp_col, stride); + return; + } +#endif + if (len > 1) { + OPJ_INT32 c; + for (c = 0; c < nb_cols; c++, tiledp_col++) { + opj_idwt3_v_cas0(dwt->mem, sn, len, tiledp_col, stride); + } + return; + } + } else { + if (len == 1) { + OPJ_INT32 c; + for (c = 0; c < nb_cols; c++, tiledp_col++) { + tiledp_col[0] /= 2; + } + return; + } + + if (len == 2) { + OPJ_INT32 c; + OPJ_INT32* out = dwt->mem; + for (c = 0; c < nb_cols; c++, tiledp_col++) { + OPJ_INT32 i; + const OPJ_INT32* in_even = &tiledp_col[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[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 efficently 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 +} + + +/* <summary> */ +/* Forward 9-7 wavelet transform in 1-D. */ +/* </summary> */ +static void opj_dwt_encode_1_real(OPJ_INT32 *a, OPJ_SIZE_T a_count, + 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 */ + } + } + } +} + +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 +========================================================== +*/ + + +/* <summary> */ +/* Forward 5-3 wavelet transform in 2-D. */ +/* </summary> */ +static INLINE OPJ_BOOL opj_dwt_encode_procedure(const opj_tcd_tilecomp_t * tilec, + void(*p_function)(OPJ_INT32 *, OPJ_SIZE_T, 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 */ + size_t l_data_count; + size_t 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_count = opj_dwt_max_resolution(tilec->resolutions, tilec->numresolutions); + /* overflow check */ + if (l_data_count > (SIZE_MAX / sizeof(OPJ_INT32))) { + /* FIXME event manager error callback */ + return OPJ_FALSE; + } + l_data_size = l_data_count * sizeof(OPJ_INT32); + bj = (OPJ_INT32*)opj_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_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, l_data_count, 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, l_data_count, dn, sn, cas_row); + opj_dwt_deinterleave_h(bj, aj, dn, sn, cas_row); + } + + l_cur_res = l_last_res; + + --l_last_res; + } + + opj_free(bj); + return OPJ_TRUE; } /* Forward 5-3 wavelet transform in 2-D. */ /* </summary> */ OPJ_BOOL opj_dwt_encode(opj_tcd_tilecomp_t * tilec) { - return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1); + return opj_dwt_encode_procedure(tilec, opj_dwt_encode_1); } /* <summary> */ /* Inverse 5-3 wavelet transform in 2-D. */ /* </summary> */ -OPJ_BOOL opj_dwt_decode(opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres) { - return opj_dwt_decode_tile(tilec, numres, &opj_dwt_decode_1); +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); } /* <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; +OPJ_UINT32 opj_dwt_getgain(OPJ_UINT32 orient) +{ + if (orient == 0) { + return 0; + } + if (orient == 1 || orient == 2) { + return 1; + } + return 2; } /* <summary> */ /* Get norm of 5-3 wavelet. */ /* </summary> */ -OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient) { - return opj_dwt_norms[orient][level]; +OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient) +{ + return opj_dwt_norms[orient][level]; } /* <summary> */ @@ -506,297 +1218,477 @@ OPJ_FLOAT64 opj_dwt_getnorm(OPJ_UINT32 level, OPJ_UINT32 orient) { /* </summary> */ OPJ_BOOL opj_dwt_encode_real(opj_tcd_tilecomp_t * tilec) { - return opj_dwt_encode_procedure(tilec,opj_dwt_encode_1_real); + return opj_dwt_encode_procedure(tilec, opj_dwt_encode_1_real); } /* <summary> */ /* Get gain of 9-7 wavelet transform. */ /* </summary> */ -OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient) { - (void)orient; - return 0; +OPJ_UINT32 opj_dwt_getgain_real(OPJ_UINT32 orient) +{ + (void)orient; + return 0; } /* <summary> */ /* Get norm of 9-7 wavelet. */ /* </summary> */ -OPJ_FLOAT64 opj_dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient) { - return opj_dwt_norms_real[orient][level]; -} - -void opj_dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, OPJ_UINT32 prec) { - OPJ_UINT32 numbands, bandno; - numbands = 3 * tccp->numresolutions - 2; - for (bandno = 0; bandno < numbands; bandno++) { - OPJ_FLOAT64 stepsize; - OPJ_UINT32 resno, level, orient, gain; - - resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1); - orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1); - level = tccp->numresolutions - 1 - resno; - gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) || (orient == 2)) ? 1 : 2)); - if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { - stepsize = 1.0; - } else { - OPJ_FLOAT64 norm = opj_dwt_norms_real[orient][level]; - stepsize = (1 << (gain)) / norm; - } - opj_dwt_encode_stepsize((OPJ_INT32) floor(stepsize * 8192.0), (OPJ_INT32)(prec + gain), &tccp->stepsizes[bandno]); - } +OPJ_FLOAT64 opj_dwt_getnorm_real(OPJ_UINT32 level, OPJ_UINT32 orient) +{ + return opj_dwt_norms_real[orient][level]; +} + +void opj_dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, OPJ_UINT32 prec) +{ + OPJ_UINT32 numbands, bandno; + numbands = 3 * tccp->numresolutions - 2; + for (bandno = 0; bandno < numbands; bandno++) { + OPJ_FLOAT64 stepsize; + OPJ_UINT32 resno, level, orient, gain; + + resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1); + orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1); + level = tccp->numresolutions - 1 - resno; + gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) || + (orient == 2)) ? 1 : 2)); + if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { + stepsize = 1.0; + } else { + OPJ_FLOAT64 norm = opj_dwt_norms_real[orient][level]; + stepsize = (1 << (gain)) / norm; + } + opj_dwt_encode_stepsize((OPJ_INT32) floor(stepsize * 8192.0), + (OPJ_INT32)(prec + gain), &tccp->stepsizes[bandno]); + } } /* <summary> */ /* Determine maximum computed resolution level for inverse wavelet transform */ /* </summary> */ -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 ; +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_dwd_decode_h_job_t; + +static void opj_dwt_decode_h_func(void* user_data, opj_tls_t* tls) +{ + OPJ_UINT32 j; + opj_dwd_decode_h_job_t* job; + (void)tls; + + job = (opj_dwd_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_dwd_decode_v_job_t; + +static void opj_dwt_decode_v_func(void* user_data, opj_tls_t* tls) +{ + OPJ_UINT32 j; + opj_dwd_decode_v_job_t* job; + (void)tls; + + job = (opj_dwd_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_INT32)job->w, + PARALLEL_COLS_53); + } + if (j < job->max_j) + opj_idwt53_v(&job->v, &job->tiledp[j], (OPJ_INT32)job->w, + (OPJ_INT32)(job->max_j - j)); + + opj_aligned_free(job->v.mem); + opj_free(job); +} + + /* <summary> */ -/* Inverse wavelet transform in 2-D. */ +/* Inverse wavelet transform in 2-D. */ /* </summary> */ -static OPJ_BOOL opj_dwt_decode_tile(const opj_tcd_tilecomp_t* tilec, OPJ_UINT32 numres, DWT1DFN dwt_1D) { - opj_dwt_t h; - opj_dwt_t v; - - opj_tcd_resolution_t* tr = tilec->resolutions; - - OPJ_UINT32 rw = (OPJ_UINT32)(tr->x1 - tr->x0); /* width of the resolution level computed */ - OPJ_UINT32 rh = (OPJ_UINT32)(tr->y1 - tr->y0); /* height of the resolution level computed */ - - OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0); - - h.mem_count = opj_dwt_max_resolution(tr, numres); - if (((OPJ_UINT32)-1) / (OPJ_UINT32)sizeof(OPJ_INT32) < (OPJ_UINT32)h.mem_count) { - return OPJ_FALSE; - } - h.mem = (OPJ_INT32*)opj_aligned_malloc(h.mem_count * sizeof(OPJ_INT32)); - if (! h.mem){ - /* FIXME event manager error callback */ - return OPJ_FALSE; - } - - v.mem_count = h.mem_count; - v.mem = h.mem; - - while( --numres) { - OPJ_INT32 * restrict tiledp = tilec->data; - OPJ_UINT32 j; - - ++tr; - h.sn = (OPJ_INT32)rw; - v.sn = (OPJ_INT32)rh; - - rw = (OPJ_UINT32)(tr->x1 - tr->x0); - rh = (OPJ_UINT32)(tr->y1 - tr->y0); - - h.dn = (OPJ_INT32)(rw - (OPJ_UINT32)h.sn); - h.cas = tr->x0 % 2; - - for(j = 0; j < rh; ++j) { - opj_dwt_interleave_h(&h, &tiledp[j*w]); - (dwt_1D)(&h); - memcpy(&tiledp[j*w], h.mem, rw * sizeof(OPJ_INT32)); - } - - v.dn = (OPJ_INT32)(rh - (OPJ_UINT32)v.sn); - v.cas = tr->y0 % 2; - - for(j = 0; j < rw; ++j){ - OPJ_UINT32 k; - opj_dwt_interleave_v(&v, &tiledp[j], (OPJ_INT32)w); - (dwt_1D)(&v); - for(k = 0; k < rh; ++k) { - tiledp[k * w + j] = v.mem[k]; - } - } - } - opj_aligned_free(h.mem); - return OPJ_TRUE; -} - -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; - } -} - -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)); - } - - a += v->sn * x; - bi = v->wavelet + 1 - v->cas; - - for(i = 0; i < v->dn; ++i){ - memcpy(&bi[i*2], &a[i*x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32)); - } +static OPJ_BOOL opj_dwt_decode_tile(opj_thread_pool_t* tp, + const 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->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_count = opj_dwt_max_resolution(tr, numres); + /* overflow check */ + if (h.mem_count > (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 = h.mem_count * 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_count = h.mem_count; + 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[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_dwd_decode_h_job_t* job; + + job = (opj_dwd_decode_h_job_t*) opj_malloc(sizeof(opj_dwd_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_INT32)w, PARALLEL_COLS_53); + } + if (j < rw) { + opj_idwt53_v(&v, &tiledp[j], (OPJ_INT32)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_dwd_decode_v_job_t* job; + + job = (opj_dwd_decode_v_job_t*) opj_malloc(sizeof(opj_dwd_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_v4dwt_interleave_h(opj_v4dwt_t* OPJ_RESTRICT w, + OPJ_FLOAT32* OPJ_RESTRICT a, OPJ_INT32 x, OPJ_INT32 size) +{ + OPJ_FLOAT32* OPJ_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; + } +} + +static void opj_v4dwt_interleave_v(opj_v4dwt_t* OPJ_RESTRICT v, + OPJ_FLOAT32* OPJ_RESTRICT a, OPJ_INT32 x, OPJ_INT32 nb_elts_read) +{ + opj_v4_t* OPJ_RESTRICT bi = v->wavelet + v->cas; + OPJ_INT32 i; + + for (i = 0; i < v->sn; ++i) { + memcpy(&bi[i * 2], &a[i * x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32)); + } + + a += v->sn * x; + bi = v->wavelet + 1 - v->cas; + + for (i = 0; i < v->dn; ++i) { + memcpy(&bi[i * 2], &a[i * x], (size_t)nb_elts_read * sizeof(OPJ_FLOAT32)); + } } #ifdef __SSE__ -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; - } -} - -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; - } +static void opj_v4dwt_decode_step1_sse(opj_v4_t* w, OPJ_INT32 count, + const __m128 c) +{ + __m128* OPJ_RESTRICT vw = (__m128*) w; + OPJ_INT32 i; + /* 4x unrolled loop */ + for (i = 0; i < count >> 2; ++i) { + *vw = _mm_mul_ps(*vw, c); + vw += 2; + *vw = _mm_mul_ps(*vw, c); + vw += 2; + *vw = _mm_mul_ps(*vw, c); + vw += 2; + *vw = _mm_mul_ps(*vw, c); + vw += 2; + } + count &= 3; + for (i = 0; i < count; ++i) { + *vw = _mm_mul_ps(*vw, c); + vw += 2; + } +} + +void opj_v4dwt_decode_step2_sse(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, + OPJ_INT32 m, __m128 c) +{ + __m128* OPJ_RESTRICT vl = (__m128*) l; + __m128* OPJ_RESTRICT vw = (__m128*) w; + OPJ_INT32 i; + __m128 tmp1, tmp2, tmp3; + tmp1 = vl[0]; + for (i = 0; i < m; ++i) { + tmp2 = vw[-1]; + tmp3 = vw[ 0]; + vw[-1] = _mm_add_ps(tmp2, _mm_mul_ps(_mm_add_ps(tmp1, tmp3), c)); + tmp1 = tmp3; + vw += 2; + } + vl = vw - 2; + if (m >= k) { + return; + } + c = _mm_add_ps(c, c); + c = _mm_mul_ps(c, vl[0]); + for (; m < k; ++m) { + __m128 tmp = vw[-1]; + vw[-1] = _mm_add_ps(tmp, c); + vw += 2; + } } #else -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; - } -} - -static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_INT32 m, OPJ_FLOAT32 c) -{ - OPJ_FLOAT32* restrict fl = (OPJ_FLOAT32*) l; - OPJ_FLOAT32* restrict fw = (OPJ_FLOAT32*) w; - OPJ_INT32 i; - for(i = 0; i < m; ++i){ - OPJ_FLOAT32 tmp1_1 = fl[0]; - OPJ_FLOAT32 tmp1_2 = fl[1]; - OPJ_FLOAT32 tmp1_3 = fl[2]; - OPJ_FLOAT32 tmp1_4 = fl[3]; - OPJ_FLOAT32 tmp2_1 = fw[-4]; - OPJ_FLOAT32 tmp2_2 = fw[-3]; - OPJ_FLOAT32 tmp2_3 = fw[-2]; - OPJ_FLOAT32 tmp2_4 = fw[-1]; - OPJ_FLOAT32 tmp3_1 = fw[0]; - OPJ_FLOAT32 tmp3_2 = fw[1]; - OPJ_FLOAT32 tmp3_3 = fw[2]; - OPJ_FLOAT32 tmp3_4 = fw[3]; - fw[-4] = tmp2_1 + ((tmp1_1 + tmp3_1) * c); - fw[-3] = tmp2_2 + ((tmp1_2 + tmp3_2) * c); - fw[-2] = tmp2_3 + ((tmp1_3 + tmp3_3) * c); - fw[-1] = tmp2_4 + ((tmp1_4 + tmp3_4) * c); - fl = fw; - fw += 8; - } - if(m < k){ - OPJ_FLOAT32 c1; - OPJ_FLOAT32 c2; - OPJ_FLOAT32 c3; - OPJ_FLOAT32 c4; - c += c; - c1 = fl[0] * c; - c2 = fl[1] * c; - c3 = fl[2] * c; - c4 = fl[3] * c; - for(; m < k; ++m){ - OPJ_FLOAT32 tmp1 = fw[-4]; - OPJ_FLOAT32 tmp2 = fw[-3]; - OPJ_FLOAT32 tmp3 = fw[-2]; - OPJ_FLOAT32 tmp4 = fw[-1]; - fw[-4] = tmp1 + c1; - fw[-3] = tmp2 + c2; - fw[-2] = tmp3 + c3; - fw[-1] = tmp4 + c4; - fw += 8; - } - } +static void opj_v4dwt_decode_step1(opj_v4_t* w, OPJ_INT32 count, + const OPJ_FLOAT32 c) +{ + OPJ_FLOAT32* OPJ_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; + } +} + +static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, + OPJ_INT32 m, OPJ_FLOAT32 c) +{ + 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; + } + } } #endif @@ -804,36 +1696,44 @@ static void opj_v4dwt_decode_step2(opj_v4_t* l, opj_v4_t* w, OPJ_INT32 k, OPJ_IN /* <summary> */ /* Inverse 9-7 wavelet transform in 1-D. */ /* </summary> */ -void opj_v4dwt_decode(opj_v4dwt_t* restrict dwt) -{ - OPJ_INT32 a, b; - if(dwt->cas == 0) { - if(!((dwt->dn > 0) || (dwt->sn > 1))){ - return; - } - a = 0; - b = 1; - }else{ - if(!((dwt->sn > 0) || (dwt->dn > 1))) { - return; - } - a = 1; - b = 0; - } +static void opj_v4dwt_decode(opj_v4dwt_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; + } #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_v4dwt_decode_step1_sse(dwt->wavelet + a, dwt->sn, _mm_set1_ps(opj_K)); + opj_v4dwt_decode_step1_sse(dwt->wavelet + b, dwt->dn, _mm_set1_ps(opj_c13318)); + opj_v4dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1, dwt->sn, + opj_int_min(dwt->sn, dwt->dn - a), _mm_set1_ps(opj_dwt_delta)); + opj_v4dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1, dwt->dn, + opj_int_min(dwt->dn, dwt->sn - b), _mm_set1_ps(opj_dwt_gamma)); + opj_v4dwt_decode_step2_sse(dwt->wavelet + b, dwt->wavelet + a + 1, dwt->sn, + opj_int_min(dwt->sn, dwt->dn - a), _mm_set1_ps(opj_dwt_beta)); + opj_v4dwt_decode_step2_sse(dwt->wavelet + a, dwt->wavelet + b + 1, dwt->dn, + opj_int_min(dwt->dn, dwt->sn - b), _mm_set1_ps(opj_dwt_alpha)); #else - opj_v4dwt_decode_step1(dwt->wavelet+a, dwt->sn, opj_K); - opj_v4dwt_decode_step1(dwt->wavelet+b, dwt->dn, opj_c13318); - opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), opj_dwt_delta); - opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), opj_dwt_gamma); - opj_v4dwt_decode_step2(dwt->wavelet+b, dwt->wavelet+a+1, dwt->sn, opj_int_min(dwt->sn, dwt->dn-a), opj_dwt_beta); - opj_v4dwt_decode_step2(dwt->wavelet+a, dwt->wavelet+b+1, dwt->dn, opj_int_min(dwt->dn, dwt->sn-b), opj_dwt_alpha); + opj_v4dwt_decode_step1(dwt->wavelet + a, dwt->sn, opj_K); + opj_v4dwt_decode_step1(dwt->wavelet + b, dwt->dn, opj_c13318); + opj_v4dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1, dwt->sn, + opj_int_min(dwt->sn, dwt->dn - a), opj_dwt_delta); + opj_v4dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1, dwt->dn, + opj_int_min(dwt->dn, dwt->sn - b), opj_dwt_gamma); + opj_v4dwt_decode_step2(dwt->wavelet + b, dwt->wavelet + a + 1, dwt->sn, + opj_int_min(dwt->sn, dwt->dn - a), opj_dwt_beta); + opj_v4dwt_decode_step2(dwt->wavelet + a, dwt->wavelet + b + 1, dwt->dn, + opj_int_min(dwt->dn, dwt->sn - b), opj_dwt_alpha); #endif } @@ -841,111 +1741,126 @@ void opj_v4dwt_decode(opj_v4dwt_t* restrict dwt) /* <summary> */ /* Inverse 9-7 wavelet transform in 2-D. */ /* </summary> */ -OPJ_BOOL opj_dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, OPJ_UINT32 numres) -{ - opj_v4dwt_t h; - opj_v4dwt_t v; - - opj_tcd_resolution_t* res = tilec->resolutions; - - OPJ_UINT32 rw = (OPJ_UINT32)(res->x1 - res->x0); /* width of the resolution level computed */ - OPJ_UINT32 rh = (OPJ_UINT32)(res->y1 - res->y0); /* height of the resolution level computed */ - - OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0); - - OPJ_UINT32 mr = opj_dwt_max_resolution(res, numres); - - if (mr >= ((OPJ_UINT32)-5)) { - return OPJ_FALSE; - } - mr += 5; - - if (((OPJ_UINT32)-1) / (OPJ_UINT32)sizeof(opj_v4_t) < mr) { - return OPJ_FALSE; - } - h.wavelet = (opj_v4_t*) opj_aligned_malloc(mr * 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; +OPJ_BOOL opj_dwt_decode_real(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); + + size_t l_data_size; + + l_data_size = opj_dwt_max_resolution(res, numres); + /* overflow check */ + if (l_data_size > (SIZE_MAX - 5U)) { + /* FIXME event manager error callback */ + return OPJ_FALSE; + } + l_data_size += 5U; + /* overflow check */ + if (l_data_size > (SIZE_MAX / sizeof(opj_v4_t))) { + /* FIXME event manager error callback */ + return OPJ_FALSE; + } + h.wavelet = (opj_v4_t*) opj_aligned_malloc(l_data_size * sizeof(opj_v4_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 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]; + /* FALLTHRU */ + case 2: + aj[k + (OPJ_INT32)w ] = h.wavelet[k].f[1]; + /* FALLTHRU */ + 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; } |