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Diffstat (limited to 'extern/libopenjpeg/mct.c')
| -rw-r--r-- | extern/libopenjpeg/mct.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/extern/libopenjpeg/mct.c b/extern/libopenjpeg/mct.c deleted file mode 100644 index 870993b06d2..00000000000 --- a/extern/libopenjpeg/mct.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium - * Copyright (c) 2002-2007, Professor Benoit Macq - * Copyright (c) 2001-2003, David Janssens - * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe - * Copyright (c) 2005, Herve Drolon, FreeImage Team - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifdef __SSE__ -#include <xmmintrin.h> -#endif - -#include "opj_includes.h" - -/* <summary> */ -/* This table contains the norms of the basis function of the reversible MCT. */ -/* </summary> */ -static const double mct_norms[3] = { 1.732, .8292, .8292 }; - -/* <summary> */ -/* This table contains the norms of the basis function of the irreversible MCT. */ -/* </summary> */ -static const double mct_norms_real[3] = { 1.732, 1.805, 1.573 }; - -/* <summary> */ -/* Foward reversible MCT. */ -/* </summary> */ -void mct_encode( - int* restrict c0, - int* restrict c1, - int* restrict c2, - int n) -{ - int i; - for(i = 0; i < n; ++i) { - int r = c0[i]; - int g = c1[i]; - int b = c2[i]; - int y = (r + (g * 2) + b) >> 2; - int u = b - g; - int v = r - g; - c0[i] = y; - c1[i] = u; - c2[i] = v; - } -} - -/* <summary> */ -/* Inverse reversible MCT. */ -/* </summary> */ -void mct_decode( - int* restrict c0, - int* restrict c1, - int* restrict c2, - int n) -{ - int i; - for (i = 0; i < n; ++i) { - int y = c0[i]; - int u = c1[i]; - int v = c2[i]; - int g = y - ((u + v) >> 2); - int r = v + g; - int b = u + g; - c0[i] = r; - c1[i] = g; - c2[i] = b; - } -} - -/* <summary> */ -/* Get norm of basis function of reversible MCT. */ -/* </summary> */ -double mct_getnorm(int compno) { - return mct_norms[compno]; -} - -/* <summary> */ -/* Foward irreversible MCT. */ -/* </summary> */ -void mct_encode_real( - int* restrict c0, - int* restrict c1, - int* restrict c2, - int n) -{ - int i; - for(i = 0; i < n; ++i) { - int r = c0[i]; - int g = c1[i]; - int b = c2[i]; - int y = fix_mul(r, 2449) + fix_mul(g, 4809) + fix_mul(b, 934); - int u = -fix_mul(r, 1382) - fix_mul(g, 2714) + fix_mul(b, 4096); - int v = fix_mul(r, 4096) - fix_mul(g, 3430) - fix_mul(b, 666); - c0[i] = y; - c1[i] = u; - c2[i] = v; - } -} - -/* <summary> */ -/* Inverse irreversible MCT. */ -/* </summary> */ -void mct_decode_real( - float* restrict c0, - float* restrict c1, - float* restrict c2, - int n) -{ - int i; -#ifdef __SSE__ - __m128 vrv, vgu, vgv, vbu; - vrv = _mm_set1_ps(1.402f); - vgu = _mm_set1_ps(0.34413f); - vgv = _mm_set1_ps(0.71414f); - vbu = _mm_set1_ps(1.772f); - for (i = 0; i < (n >> 3); ++i) { - __m128 vy, vu, vv; - __m128 vr, vg, vb; - - vy = _mm_load_ps(c0); - vu = _mm_load_ps(c1); - vv = _mm_load_ps(c2); - vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv)); - vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv)); - vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu)); - _mm_store_ps(c0, vr); - _mm_store_ps(c1, vg); - _mm_store_ps(c2, vb); - c0 += 4; - c1 += 4; - c2 += 4; - - vy = _mm_load_ps(c0); - vu = _mm_load_ps(c1); - vv = _mm_load_ps(c2); - vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv)); - vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv)); - vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu)); - _mm_store_ps(c0, vr); - _mm_store_ps(c1, vg); - _mm_store_ps(c2, vb); - c0 += 4; - c1 += 4; - c2 += 4; - } - n &= 7; -#endif - for(i = 0; i < n; ++i) { - float y = c0[i]; - float u = c1[i]; - float v = c2[i]; - float r = y + (v * 1.402f); - float g = y - (u * 0.34413f) - (v * (0.71414f)); - float b = y + (u * 1.772f); - c0[i] = r; - c1[i] = g; - c2[i] = b; - } -} - -/* <summary> */ -/* Get norm of basis function of irreversible MCT. */ -/* </summary> */ -double mct_getnorm_real(int compno) { - return mct_norms_real[compno]; -} |