diff options
| author | Antonin Descampe <antonin@gmail.com> | 2016-01-25 23:22:06 +0100 |
|---|---|---|
| committer | Antonin Descampe <antonin@gmail.com> | 2016-01-25 23:22:06 +0100 |
| commit | 0febbff19e05cb1a6c2613eee76ad46a669c96cd (patch) | |
| tree | b6442d01348e2ba6404d0fd6abcc4eb6d6cc1390 /src/lib/openmj2/mct.c | |
| parent | bede1568b197021bb576b935422af6c1d0a79e21 (diff) | |
processed all c/h files through astyle with opj_astyle.cfgcodingstyle
Diffstat (limited to 'src/lib/openmj2/mct.c')
| -rw-r--r-- | src/lib/openmj2/mct.c | 212 |
1 files changed, 107 insertions, 105 deletions
diff --git a/src/lib/openmj2/mct.c b/src/lib/openmj2/mct.c index 0f926194..24291721 100644 --- a/src/lib/openmj2/mct.c +++ b/src/lib/openmj2/mct.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. * @@ -8,7 +8,7 @@ * 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 * All rights reserved. @@ -55,142 +55,144 @@ static const double mct_norms_real[3] = { 1.732, 1.805, 1.573 }; /* Forward reversible MCT. */ /* </summary> */ void mct_encode( - int* restrict c0, - int* restrict c1, - int* restrict c2, - int n) + 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; - } + 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* 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; - } + 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]; +double mct_getnorm(int compno) +{ + return mct_norms[compno]; } /* <summary> */ /* Forward irreversible MCT. */ /* </summary> */ void mct_encode_real( - int* restrict c0, - int* restrict c1, - int* restrict c2, - int n) + 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; - } + 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) + float* restrict c0, + float* restrict c1, + float* restrict c2, + int n) { - int i; + 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; + __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; - 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; + 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; - } + 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]; +double mct_getnorm_real(int compno) +{ + return mct_norms_real[compno]; } |
