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authorAntonin Descampe <antonin@gmail.com>2016-01-25 23:22:06 +0100
committerAntonin Descampe <antonin@gmail.com>2016-01-25 23:22:06 +0100
commit0febbff19e05cb1a6c2613eee76ad46a669c96cd (patch)
treeb6442d01348e2ba6404d0fd6abcc4eb6d6cc1390 /src/lib/openmj2/mct.c
parentbede1568b197021bb576b935422af6c1d0a79e21 (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.c212
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];
}