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-rw-r--r--third_party/aom/test/idct8x8_test.cc86
1 files changed, 0 insertions, 86 deletions
diff --git a/third_party/aom/test/idct8x8_test.cc b/third_party/aom/test/idct8x8_test.cc
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--- a/third_party/aom/test/idct8x8_test.cc
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
-*/
-
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
-
-#include "./aom_dsp_rtcd.h"
-#include "test/acm_random.h"
-#include "aom/aom_integer.h"
-#include "aom_ports/msvc.h" // for round()
-
-using libaom_test::ACMRandom;
-
-namespace {
-
-void reference_dct_1d(double input[8], double output[8]) {
- const double kPi = 3.141592653589793238462643383279502884;
- const double kInvSqrt2 = 0.707106781186547524400844362104;
- for (int k = 0; k < 8; k++) {
- output[k] = 0.0;
- for (int n = 0; n < 8; n++)
- output[k] += input[n] * cos(kPi * (2 * n + 1) * k / 16.0);
- if (k == 0) output[k] = output[k] * kInvSqrt2;
- }
-}
-
-void reference_dct_2d(int16_t input[64], double output[64]) {
- // First transform columns
- for (int i = 0; i < 8; ++i) {
- double temp_in[8], temp_out[8];
- for (int j = 0; j < 8; ++j) temp_in[j] = input[j * 8 + i];
- reference_dct_1d(temp_in, temp_out);
- for (int j = 0; j < 8; ++j) output[j * 8 + i] = temp_out[j];
- }
- // Then transform rows
- for (int i = 0; i < 8; ++i) {
- double temp_in[8], temp_out[8];
- for (int j = 0; j < 8; ++j) temp_in[j] = output[j + i * 8];
- reference_dct_1d(temp_in, temp_out);
- for (int j = 0; j < 8; ++j) output[j + i * 8] = temp_out[j];
- }
- // Scale by some magic number
- for (int i = 0; i < 64; ++i) output[i] *= 2;
-}
-
-TEST(AV1Idct8x8Test, AccuracyCheck) {
- ACMRandom rnd(ACMRandom::DeterministicSeed());
- const int count_test_block = 10000;
- for (int i = 0; i < count_test_block; ++i) {
- int16_t input[64];
- tran_low_t coeff[64];
- double output_r[64];
- uint8_t dst[64], src[64];
-
- for (int j = 0; j < 64; ++j) {
- src[j] = rnd.Rand8();
- dst[j] = rnd.Rand8();
- }
- // Initialize a test block with input range [-255, 255].
- for (int j = 0; j < 64; ++j) input[j] = src[j] - dst[j];
-
- reference_dct_2d(input, output_r);
- for (int j = 0; j < 64; ++j)
- coeff[j] = static_cast<tran_low_t>(round(output_r[j]));
- aom_idct8x8_64_add_c(coeff, dst, 8);
- for (int j = 0; j < 64; ++j) {
- const int diff = dst[j] - src[j];
- const int error = diff * diff;
- EXPECT_GE(1, error) << "Error: 8x8 FDCT/IDCT has error " << error
- << " at index " << j;
- }
- }
-}
-
-} // namespace