465 lines
13 KiB
C
465 lines
13 KiB
C
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/*
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* The copyright in this software is being made available under the 2-clauses
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* BSD License, included below. This software may be subject to other third
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* party and contributor rights, including patent rights, and no such rights
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* are granted under this license.
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*
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2014, Professor Benoit Macq
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2007, Francois-Olivier Devaux
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* Copyright (c) 2003-2014, Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
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* Copyright (c) 2012, CS Systemes d'Information, France
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef __SSE__
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#include <xmmintrin.h>
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#endif
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#ifdef __SSE2__
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#include <emmintrin.h>
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#endif
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#ifdef __SSE4_1__
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#include <smmintrin.h>
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#endif
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#include "opj_includes.h"
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/* <summary> */
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/* This table contains the norms of the basis function of the reversible MCT. */
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/* </summary> */
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static const OPJ_FLOAT64 opj_mct_norms[3] = { 1.732, .8292, .8292 };
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/* <summary> */
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/* This table contains the norms of the basis function of the irreversible MCT. */
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/* </summary> */
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static const OPJ_FLOAT64 opj_mct_norms_real[3] = { 1.732, 1.805, 1.573 };
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const OPJ_FLOAT64 * opj_mct_get_mct_norms()
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{
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return opj_mct_norms;
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}
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const OPJ_FLOAT64 * opj_mct_get_mct_norms_real()
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{
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return opj_mct_norms_real;
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}
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/* <summary> */
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/* Forward reversible MCT. */
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/* </summary> */
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#ifdef __SSE2__
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void opj_mct_encode(
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OPJ_INT32* OPJ_RESTRICT c0,
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OPJ_INT32* OPJ_RESTRICT c1,
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OPJ_INT32* OPJ_RESTRICT c2,
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OPJ_SIZE_T n)
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{
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OPJ_SIZE_T i;
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const OPJ_SIZE_T len = n;
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/* buffer are aligned on 16 bytes */
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assert(((size_t)c0 & 0xf) == 0);
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assert(((size_t)c1 & 0xf) == 0);
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assert(((size_t)c2 & 0xf) == 0);
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for (i = 0; i < (len & ~3U); i += 4) {
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__m128i y, u, v;
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__m128i r = _mm_load_si128((const __m128i *) & (c0[i]));
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__m128i g = _mm_load_si128((const __m128i *) & (c1[i]));
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__m128i b = _mm_load_si128((const __m128i *) & (c2[i]));
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y = _mm_add_epi32(g, g);
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y = _mm_add_epi32(y, b);
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y = _mm_add_epi32(y, r);
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y = _mm_srai_epi32(y, 2);
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u = _mm_sub_epi32(b, g);
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v = _mm_sub_epi32(r, g);
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_mm_store_si128((__m128i *) & (c0[i]), y);
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_mm_store_si128((__m128i *) & (c1[i]), u);
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_mm_store_si128((__m128i *) & (c2[i]), v);
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}
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for (; i < len; ++i) {
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OPJ_INT32 r = c0[i];
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OPJ_INT32 g = c1[i];
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OPJ_INT32 b = c2[i];
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OPJ_INT32 y = (r + (g * 2) + b) >> 2;
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OPJ_INT32 u = b - g;
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OPJ_INT32 v = r - g;
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c0[i] = y;
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c1[i] = u;
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c2[i] = v;
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}
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}
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#else
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void opj_mct_encode(
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OPJ_INT32* OPJ_RESTRICT c0,
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OPJ_INT32* OPJ_RESTRICT c1,
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OPJ_INT32* OPJ_RESTRICT c2,
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OPJ_SIZE_T n)
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{
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OPJ_SIZE_T i;
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const OPJ_SIZE_T len = n;
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for (i = 0; i < len; ++i) {
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OPJ_INT32 r = c0[i];
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OPJ_INT32 g = c1[i];
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OPJ_INT32 b = c2[i];
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OPJ_INT32 y = (r + (g * 2) + b) >> 2;
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OPJ_INT32 u = b - g;
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OPJ_INT32 v = r - g;
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c0[i] = y;
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c1[i] = u;
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c2[i] = v;
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}
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}
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#endif
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/* <summary> */
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/* Inverse reversible MCT. */
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/* </summary> */
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#ifdef __SSE2__
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void opj_mct_decode(
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OPJ_INT32* OPJ_RESTRICT c0,
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OPJ_INT32* OPJ_RESTRICT c1,
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OPJ_INT32* OPJ_RESTRICT c2,
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OPJ_SIZE_T n)
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{
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OPJ_SIZE_T i;
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const OPJ_SIZE_T len = n;
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for (i = 0; i < (len & ~3U); i += 4) {
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__m128i r, g, b;
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__m128i y = _mm_load_si128((const __m128i *) & (c0[i]));
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__m128i u = _mm_load_si128((const __m128i *) & (c1[i]));
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__m128i v = _mm_load_si128((const __m128i *) & (c2[i]));
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g = y;
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g = _mm_sub_epi32(g, _mm_srai_epi32(_mm_add_epi32(u, v), 2));
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r = _mm_add_epi32(v, g);
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b = _mm_add_epi32(u, g);
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_mm_store_si128((__m128i *) & (c0[i]), r);
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_mm_store_si128((__m128i *) & (c1[i]), g);
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_mm_store_si128((__m128i *) & (c2[i]), b);
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}
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for (; i < len; ++i) {
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OPJ_INT32 y = c0[i];
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OPJ_INT32 u = c1[i];
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OPJ_INT32 v = c2[i];
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OPJ_INT32 g = y - ((u + v) >> 2);
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OPJ_INT32 r = v + g;
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OPJ_INT32 b = u + g;
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c0[i] = r;
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c1[i] = g;
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c2[i] = b;
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}
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}
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#else
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void opj_mct_decode(
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OPJ_INT32* OPJ_RESTRICT c0,
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OPJ_INT32* OPJ_RESTRICT c1,
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OPJ_INT32* OPJ_RESTRICT c2,
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OPJ_SIZE_T n)
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{
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OPJ_SIZE_T i;
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for (i = 0; i < n; ++i) {
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OPJ_INT32 y = c0[i];
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OPJ_INT32 u = c1[i];
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OPJ_INT32 v = c2[i];
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OPJ_INT32 g = y - ((u + v) >> 2);
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OPJ_INT32 r = v + g;
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OPJ_INT32 b = u + g;
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c0[i] = r;
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c1[i] = g;
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c2[i] = b;
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}
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}
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#endif
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/* <summary> */
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/* Get norm of basis function of reversible MCT. */
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/* </summary> */
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OPJ_FLOAT64 opj_mct_getnorm(OPJ_UINT32 compno)
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{
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return opj_mct_norms[compno];
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}
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/* <summary> */
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/* Forward irreversible MCT. */
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/* </summary> */
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void opj_mct_encode_real(
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OPJ_FLOAT32* OPJ_RESTRICT c0,
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OPJ_FLOAT32* OPJ_RESTRICT c1,
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OPJ_FLOAT32* OPJ_RESTRICT c2,
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OPJ_SIZE_T n)
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{
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OPJ_SIZE_T i;
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#ifdef __SSE__
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const __m128 YR = _mm_set1_ps(0.299f);
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const __m128 YG = _mm_set1_ps(0.587f);
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const __m128 YB = _mm_set1_ps(0.114f);
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const __m128 UR = _mm_set1_ps(-0.16875f);
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const __m128 UG = _mm_set1_ps(-0.331260f);
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const __m128 UB = _mm_set1_ps(0.5f);
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const __m128 VR = _mm_set1_ps(0.5f);
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const __m128 VG = _mm_set1_ps(-0.41869f);
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const __m128 VB = _mm_set1_ps(-0.08131f);
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for (i = 0; i < (n >> 3); i ++) {
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__m128 r, g, b, y, u, v;
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r = _mm_load_ps(c0);
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g = _mm_load_ps(c1);
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b = _mm_load_ps(c2);
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y = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, YR), _mm_mul_ps(g, YG)),
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_mm_mul_ps(b, YB));
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u = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, UR), _mm_mul_ps(g, UG)),
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_mm_mul_ps(b, UB));
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v = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, VR), _mm_mul_ps(g, VG)),
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_mm_mul_ps(b, VB));
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_mm_store_ps(c0, y);
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_mm_store_ps(c1, u);
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_mm_store_ps(c2, v);
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c0 += 4;
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c1 += 4;
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c2 += 4;
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r = _mm_load_ps(c0);
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g = _mm_load_ps(c1);
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b = _mm_load_ps(c2);
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y = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, YR), _mm_mul_ps(g, YG)),
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_mm_mul_ps(b, YB));
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u = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, UR), _mm_mul_ps(g, UG)),
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_mm_mul_ps(b, UB));
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v = _mm_add_ps(_mm_add_ps(_mm_mul_ps(r, VR), _mm_mul_ps(g, VG)),
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_mm_mul_ps(b, VB));
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_mm_store_ps(c0, y);
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_mm_store_ps(c1, u);
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_mm_store_ps(c2, v);
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c0 += 4;
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c1 += 4;
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c2 += 4;
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}
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n &= 7;
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#endif
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for (i = 0; i < n; ++i) {
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OPJ_FLOAT32 r = c0[i];
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OPJ_FLOAT32 g = c1[i];
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OPJ_FLOAT32 b = c2[i];
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OPJ_FLOAT32 y = 0.299f * r + 0.587f * g + 0.114f * b;
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OPJ_FLOAT32 u = -0.16875f * r - 0.331260f * g + 0.5f * b;
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OPJ_FLOAT32 v = 0.5f * r - 0.41869f * g - 0.08131f * b;
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c0[i] = y;
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c1[i] = u;
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c2[i] = v;
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}
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}
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/* <summary> */
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/* Inverse irreversible MCT. */
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/* </summary> */
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void opj_mct_decode_real(
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OPJ_FLOAT32* OPJ_RESTRICT c0,
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OPJ_FLOAT32* OPJ_RESTRICT c1,
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OPJ_FLOAT32* OPJ_RESTRICT c2,
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OPJ_SIZE_T n)
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{
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OPJ_SIZE_T i;
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#ifdef __SSE__
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__m128 vrv, vgu, vgv, vbu;
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vrv = _mm_set1_ps(1.402f);
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vgu = _mm_set1_ps(0.34413f);
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vgv = _mm_set1_ps(0.71414f);
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vbu = _mm_set1_ps(1.772f);
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for (i = 0; i < (n >> 3); ++i) {
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__m128 vy, vu, vv;
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__m128 vr, vg, vb;
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vy = _mm_load_ps(c0);
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vu = _mm_load_ps(c1);
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vv = _mm_load_ps(c2);
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vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv));
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vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv));
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vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu));
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_mm_store_ps(c0, vr);
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_mm_store_ps(c1, vg);
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_mm_store_ps(c2, vb);
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c0 += 4;
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c1 += 4;
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c2 += 4;
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vy = _mm_load_ps(c0);
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vu = _mm_load_ps(c1);
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vv = _mm_load_ps(c2);
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vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv));
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vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv));
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vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu));
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_mm_store_ps(c0, vr);
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_mm_store_ps(c1, vg);
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_mm_store_ps(c2, vb);
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c0 += 4;
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c1 += 4;
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c2 += 4;
|
||
|
|
}
|
||
|
|
n &= 7;
|
||
|
|
#endif
|
||
|
|
for (i = 0; i < n; ++i) {
|
||
|
|
OPJ_FLOAT32 y = c0[i];
|
||
|
|
OPJ_FLOAT32 u = c1[i];
|
||
|
|
OPJ_FLOAT32 v = c2[i];
|
||
|
|
OPJ_FLOAT32 r = y + (v * 1.402f);
|
||
|
|
OPJ_FLOAT32 g = y - (u * 0.34413f) - (v * (0.71414f));
|
||
|
|
OPJ_FLOAT32 b = y + (u * 1.772f);
|
||
|
|
c0[i] = r;
|
||
|
|
c1[i] = g;
|
||
|
|
c2[i] = b;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* <summary> */
|
||
|
|
/* Get norm of basis function of irreversible MCT. */
|
||
|
|
/* </summary> */
|
||
|
|
OPJ_FLOAT64 opj_mct_getnorm_real(OPJ_UINT32 compno)
|
||
|
|
{
|
||
|
|
return opj_mct_norms_real[compno];
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
OPJ_BOOL opj_mct_encode_custom(
|
||
|
|
OPJ_BYTE * pCodingdata,
|
||
|
|
OPJ_SIZE_T n,
|
||
|
|
OPJ_BYTE ** pData,
|
||
|
|
OPJ_UINT32 pNbComp,
|
||
|
|
OPJ_UINT32 isSigned)
|
||
|
|
{
|
||
|
|
OPJ_FLOAT32 * lMct = (OPJ_FLOAT32 *) pCodingdata;
|
||
|
|
OPJ_SIZE_T i;
|
||
|
|
OPJ_UINT32 j;
|
||
|
|
OPJ_UINT32 k;
|
||
|
|
OPJ_UINT32 lNbMatCoeff = pNbComp * pNbComp;
|
||
|
|
OPJ_INT32 * lCurrentData = 00;
|
||
|
|
OPJ_INT32 * lCurrentMatrix = 00;
|
||
|
|
OPJ_INT32 ** lData = (OPJ_INT32 **) pData;
|
||
|
|
OPJ_UINT32 lMultiplicator = 1 << 13;
|
||
|
|
OPJ_INT32 * lMctPtr;
|
||
|
|
|
||
|
|
OPJ_ARG_NOT_USED(isSigned);
|
||
|
|
|
||
|
|
lCurrentData = (OPJ_INT32 *) opj_malloc((pNbComp + lNbMatCoeff) * sizeof(
|
||
|
|
OPJ_INT32));
|
||
|
|
if (! lCurrentData) {
|
||
|
|
return OPJ_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
lCurrentMatrix = lCurrentData + pNbComp;
|
||
|
|
|
||
|
|
for (i = 0; i < lNbMatCoeff; ++i) {
|
||
|
|
lCurrentMatrix[i] = (OPJ_INT32)(*(lMct++) * (OPJ_FLOAT32)lMultiplicator);
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < n; ++i) {
|
||
|
|
lMctPtr = lCurrentMatrix;
|
||
|
|
for (j = 0; j < pNbComp; ++j) {
|
||
|
|
lCurrentData[j] = (*(lData[j]));
|
||
|
|
}
|
||
|
|
|
||
|
|
for (j = 0; j < pNbComp; ++j) {
|
||
|
|
*(lData[j]) = 0;
|
||
|
|
for (k = 0; k < pNbComp; ++k) {
|
||
|
|
*(lData[j]) += opj_int_fix_mul(*lMctPtr, lCurrentData[k]);
|
||
|
|
++lMctPtr;
|
||
|
|
}
|
||
|
|
|
||
|
|
++lData[j];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
opj_free(lCurrentData);
|
||
|
|
|
||
|
|
return OPJ_TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
OPJ_BOOL opj_mct_decode_custom(
|
||
|
|
OPJ_BYTE * pDecodingData,
|
||
|
|
OPJ_SIZE_T n,
|
||
|
|
OPJ_BYTE ** pData,
|
||
|
|
OPJ_UINT32 pNbComp,
|
||
|
|
OPJ_UINT32 isSigned)
|
||
|
|
{
|
||
|
|
OPJ_FLOAT32 * lMct;
|
||
|
|
OPJ_SIZE_T i;
|
||
|
|
OPJ_UINT32 j;
|
||
|
|
OPJ_UINT32 k;
|
||
|
|
|
||
|
|
OPJ_FLOAT32 * lCurrentData = 00;
|
||
|
|
OPJ_FLOAT32 * lCurrentResult = 00;
|
||
|
|
OPJ_FLOAT32 ** lData = (OPJ_FLOAT32 **) pData;
|
||
|
|
|
||
|
|
OPJ_ARG_NOT_USED(isSigned);
|
||
|
|
|
||
|
|
lCurrentData = (OPJ_FLOAT32 *) opj_malloc(2 * pNbComp * sizeof(OPJ_FLOAT32));
|
||
|
|
if (! lCurrentData) {
|
||
|
|
return OPJ_FALSE;
|
||
|
|
}
|
||
|
|
lCurrentResult = lCurrentData + pNbComp;
|
||
|
|
|
||
|
|
for (i = 0; i < n; ++i) {
|
||
|
|
lMct = (OPJ_FLOAT32 *) pDecodingData;
|
||
|
|
for (j = 0; j < pNbComp; ++j) {
|
||
|
|
lCurrentData[j] = (OPJ_FLOAT32)(*(lData[j]));
|
||
|
|
}
|
||
|
|
for (j = 0; j < pNbComp; ++j) {
|
||
|
|
lCurrentResult[j] = 0;
|
||
|
|
for (k = 0; k < pNbComp; ++k) {
|
||
|
|
lCurrentResult[j] += *(lMct++) * lCurrentData[k];
|
||
|
|
}
|
||
|
|
*(lData[j]++) = (OPJ_FLOAT32)(lCurrentResult[j]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
opj_free(lCurrentData);
|
||
|
|
return OPJ_TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
void opj_calculate_norms(OPJ_FLOAT64 * pNorms,
|
||
|
|
OPJ_UINT32 pNbComps,
|
||
|
|
OPJ_FLOAT32 * pMatrix)
|
||
|
|
{
|
||
|
|
OPJ_UINT32 i, j, lIndex;
|
||
|
|
OPJ_FLOAT32 lCurrentValue;
|
||
|
|
OPJ_FLOAT64 * lNorms = (OPJ_FLOAT64 *) pNorms;
|
||
|
|
OPJ_FLOAT32 * lMatrix = (OPJ_FLOAT32 *) pMatrix;
|
||
|
|
|
||
|
|
for (i = 0; i < pNbComps; ++i) {
|
||
|
|
lNorms[i] = 0;
|
||
|
|
lIndex = i;
|
||
|
|
|
||
|
|
for (j = 0; j < pNbComps; ++j) {
|
||
|
|
lCurrentValue = lMatrix[lIndex];
|
||
|
|
lIndex += pNbComps;
|
||
|
|
lNorms[i] += lCurrentValue * lCurrentValue;
|
||
|
|
}
|
||
|
|
lNorms[i] = sqrt(lNorms[i]);
|
||
|
|
}
|
||
|
|
}
|