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| 1 /* |
| 2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved. |
| 3 * |
| 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 |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #include <math.h> |
| 12 #include <stdlib.h> |
| 13 #include <string.h> |
| 14 |
| 15 #include "third_party/googletest/src/include/gtest/gtest.h" |
| 16 #include "test/acm_random.h" |
| 17 #include "test/clear_system_state.h" |
| 18 #include "test/register_state_check.h" |
| 19 #include "test/util.h" |
| 20 |
| 21 #include "vpx_scale/yv12config.h" |
| 22 #include "vpx/vpx_integer.h" |
| 23 #include "vp9/common/vp9_reconinter.h" |
| 24 #include "vp9/encoder/vp9_context_tree.h" |
| 25 #include "vp9/encoder/vp9_denoiser.h" |
| 26 |
| 27 using libvpx_test::ACMRandom; |
| 28 |
| 29 namespace { |
| 30 |
| 31 const int kNumPixels = 64 * 64; |
| 32 class VP9DenoiserTest : public ::testing::TestWithParam<BLOCK_SIZE> { |
| 33 public: |
| 34 virtual ~VP9DenoiserTest() {} |
| 35 |
| 36 virtual void SetUp() { |
| 37 bs_ = GetParam(); |
| 38 } |
| 39 |
| 40 virtual void TearDown() { libvpx_test::ClearSystemState(); } |
| 41 |
| 42 protected: |
| 43 BLOCK_SIZE bs_; |
| 44 }; |
| 45 |
| 46 TEST_P(VP9DenoiserTest, BitexactCheck) { |
| 47 ACMRandom rnd(ACMRandom::DeterministicSeed()); |
| 48 const int count_test_block = 4000; |
| 49 |
| 50 // Allocate the space for input and output, |
| 51 // where sig_block is the block to be denoised, |
| 52 // mc_avg_block is the denoised reference block, |
| 53 // avg_block_c is the denoised result from C code, |
| 54 // avg_block_sse2 is the denoised result from SSE2 code. |
| 55 DECLARE_ALIGNED_ARRAY(16, uint8_t, sig_block, kNumPixels); |
| 56 DECLARE_ALIGNED_ARRAY(16, uint8_t, mc_avg_block, kNumPixels); |
| 57 DECLARE_ALIGNED_ARRAY(16, uint8_t, avg_block_c, kNumPixels); |
| 58 DECLARE_ALIGNED_ARRAY(16, uint8_t, avg_block_sse2, kNumPixels); |
| 59 |
| 60 for (int i = 0; i < count_test_block; ++i) { |
| 61 // Generate random motion magnitude, 20% of which exceed the threshold. |
| 62 const int motion_magnitude_random = |
| 63 rnd.Rand8() % static_cast<int>(MOTION_MAGNITUDE_THRESHOLD * 1.2); |
| 64 |
| 65 // Initialize a test block with random number in range [0, 255]. |
| 66 for (int j = 0; j < kNumPixels; ++j) { |
| 67 int temp = 0; |
| 68 sig_block[j] = rnd.Rand8(); |
| 69 // The pixels in mc_avg_block are generated by adding a random |
| 70 // number in range [-19, 19] to corresponding pixels in sig_block. |
| 71 temp = sig_block[j] + ((rnd.Rand8() % 2 == 0) ? -1 : 1) * |
| 72 (rnd.Rand8() % 20); |
| 73 // Clip. |
| 74 mc_avg_block[j] = (temp < 0) ? 0 : ((temp > 255) ? 255 : temp); |
| 75 } |
| 76 |
| 77 ASM_REGISTER_STATE_CHECK(vp9_denoiser_filter_c( |
| 78 sig_block, 64, mc_avg_block, 64, avg_block_c, |
| 79 64, 0, bs_, motion_magnitude_random)); |
| 80 |
| 81 ASM_REGISTER_STATE_CHECK(vp9_denoiser_filter_sse2( |
| 82 sig_block, 64, mc_avg_block, 64, avg_block_sse2, |
| 83 64, 0, bs_, motion_magnitude_random)); |
| 84 |
| 85 // Test bitexactness. |
| 86 for (int h = 0; h < (4 << b_height_log2_lookup[bs_]); ++h) { |
| 87 for (int w = 0; w < (4 << b_width_log2_lookup[bs_]); ++w) { |
| 88 EXPECT_EQ(avg_block_c[h * 64 + w], avg_block_sse2[h * 64 + w]); |
| 89 } |
| 90 } |
| 91 } |
| 92 } |
| 93 |
| 94 // Test for all block size. |
| 95 INSTANTIATE_TEST_CASE_P( |
| 96 SSE2, VP9DenoiserTest, |
| 97 ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, BLOCK_8X8, |
| 98 BLOCK_8X16, BLOCK_16X8, BLOCK_16X16, BLOCK_16X32, |
| 99 BLOCK_32X16, BLOCK_32X32, BLOCK_32X64, BLOCK_64X32, |
| 100 BLOCK_64X64)); |
| 101 } // namespace |
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