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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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102 out2[j*8 + i] = temp_out[j]; | 102 out2[j*8 + i] = temp_out[j]; |
103 } | 103 } |
104 for (int i = 0; i < 64; ++i) | 104 for (int i = 0; i < 64; ++i) |
105 output[i] = round(out2[i]/32); | 105 output[i] = round(out2[i]/32); |
106 } | 106 } |
107 | 107 |
108 TEST(VP9Idct8x8Test, AccuracyCheck) { | 108 TEST(VP9Idct8x8Test, AccuracyCheck) { |
109 ACMRandom rnd(ACMRandom::DeterministicSeed()); | 109 ACMRandom rnd(ACMRandom::DeterministicSeed()); |
110 const int count_test_block = 10000; | 110 const int count_test_block = 10000; |
111 for (int i = 0; i < count_test_block; ++i) { | 111 for (int i = 0; i < count_test_block; ++i) { |
112 int16_t input[64], coeff[64]; | 112 int16_t input[64]; |
| 113 tran_low_t coeff[64]; |
113 double output_r[64]; | 114 double output_r[64]; |
114 uint8_t dst[64], src[64]; | 115 uint8_t dst[64], src[64]; |
115 | 116 |
116 for (int j = 0; j < 64; ++j) { | 117 for (int j = 0; j < 64; ++j) { |
117 src[j] = rnd.Rand8(); | 118 src[j] = rnd.Rand8(); |
118 dst[j] = rnd.Rand8(); | 119 dst[j] = rnd.Rand8(); |
119 } | 120 } |
120 // Initialize a test block with input range [-255, 255]. | 121 // Initialize a test block with input range [-255, 255]. |
121 for (int j = 0; j < 64; ++j) | 122 for (int j = 0; j < 64; ++j) |
122 input[j] = src[j] - dst[j]; | 123 input[j] = src[j] - dst[j]; |
123 | 124 |
124 reference_dct_2d(input, output_r); | 125 reference_dct_2d(input, output_r); |
125 for (int j = 0; j < 64; ++j) | 126 for (int j = 0; j < 64; ++j) |
126 coeff[j] = round(output_r[j]); | 127 coeff[j] = round(output_r[j]); |
127 vp9_idct8x8_64_add_c(coeff, dst, 8); | 128 vp9_idct8x8_64_add_c(coeff, dst, 8); |
128 for (int j = 0; j < 64; ++j) { | 129 for (int j = 0; j < 64; ++j) { |
129 const int diff = dst[j] - src[j]; | 130 const int diff = dst[j] - src[j]; |
130 const int error = diff * diff; | 131 const int error = diff * diff; |
131 EXPECT_GE(1, error) | 132 EXPECT_GE(1, error) |
132 << "Error: 8x8 FDCT/IDCT has error " << error | 133 << "Error: 8x8 FDCT/IDCT has error " << error |
133 << " at index " << j; | 134 << " at index " << j; |
134 } | 135 } |
135 } | 136 } |
136 } | 137 } |
137 | 138 |
138 } // namespace | 139 } // namespace |
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