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Issue 1339513003: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: Created 5 years, 3 months ago
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1 /* 1 /*
2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
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33 #ifdef _MSC_VER 33 #ifdef _MSC_VER
34 static int round(double x) { 34 static int round(double x) {
35 if (x < 0) 35 if (x < 0)
36 return static_cast<int>(ceil(x - 0.5)); 36 return static_cast<int>(ceil(x - 0.5));
37 else 37 else
38 return static_cast<int>(floor(x + 0.5)); 38 return static_cast<int>(floor(x + 0.5));
39 } 39 }
40 #endif 40 #endif
41 41
42 const int kNumCoeffs = 256; 42 const int kNumCoeffs = 256;
43 const double PI = 3.1415926535898;
44 void reference2_16x16_idct_2d(double *input, double *output) {
45 double x;
46 for (int l = 0; l < 16; ++l) {
47 for (int k = 0; k < 16; ++k) {
48 double s = 0;
49 for (int i = 0; i < 16; ++i) {
50 for (int j = 0; j < 16; ++j) {
51 x = cos(PI * j * (l + 0.5) / 16.0) *
52 cos(PI * i * (k + 0.5) / 16.0) *
53 input[i * 16 + j] / 256;
54 if (i != 0)
55 x *= sqrt(2.0);
56 if (j != 0)
57 x *= sqrt(2.0);
58 s += x;
59 }
60 }
61 output[k*16+l] = s;
62 }
63 }
64 }
65
66
67 const double C1 = 0.995184726672197; 43 const double C1 = 0.995184726672197;
68 const double C2 = 0.98078528040323; 44 const double C2 = 0.98078528040323;
69 const double C3 = 0.956940335732209; 45 const double C3 = 0.956940335732209;
70 const double C4 = 0.923879532511287; 46 const double C4 = 0.923879532511287;
71 const double C5 = 0.881921264348355; 47 const double C5 = 0.881921264348355;
72 const double C6 = 0.831469612302545; 48 const double C6 = 0.831469612302545;
73 const double C7 = 0.773010453362737; 49 const double C7 = 0.773010453362737;
74 const double C8 = 0.707106781186548; 50 const double C8 = 0.707106781186548;
75 const double C9 = 0.634393284163646; 51 const double C9 = 0.634393284163646;
76 const double C10 = 0.555570233019602; 52 const double C10 = 0.555570233019602;
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931 INSTANTIATE_TEST_CASE_P( 907 INSTANTIATE_TEST_CASE_P(
932 MSA, Trans16x16HT, 908 MSA, Trans16x16HT,
933 ::testing::Values( 909 ::testing::Values(
934 make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 0, VPX_BITS_8), 910 make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 0, VPX_BITS_8),
935 make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 1, VPX_BITS_8), 911 make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 1, VPX_BITS_8),
936 make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 2, VPX_BITS_8), 912 make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 2, VPX_BITS_8),
937 make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 3, 913 make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 3,
938 VPX_BITS_8))); 914 VPX_BITS_8)));
939 #endif // HAVE_MSA && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE 915 #endif // HAVE_MSA && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
940 } // namespace 916 } // namespace
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