102 строки
3.4 KiB
C++
102 строки
3.4 KiB
C++
/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include "third_party/googletest/src/include/gtest/gtest.h"
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#include "test/acm_random.h"
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#include "test/clear_system_state.h"
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#include "test/register_state_check.h"
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#include "test/util.h"
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#include "vpx_scale/yv12config.h"
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#include "vpx/vpx_integer.h"
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#include "vp9/common/vp9_reconinter.h"
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#include "vp9/encoder/vp9_context_tree.h"
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#include "vp9/encoder/vp9_denoiser.h"
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using libvpx_test::ACMRandom;
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namespace {
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const int kNumPixels = 64 * 64;
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class VP9DenoiserTest : public ::testing::TestWithParam<BLOCK_SIZE> {
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public:
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virtual ~VP9DenoiserTest() {}
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virtual void SetUp() {
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bs_ = GetParam();
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}
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virtual void TearDown() { libvpx_test::ClearSystemState(); }
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protected:
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BLOCK_SIZE bs_;
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};
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TEST_P(VP9DenoiserTest, BitexactCheck) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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const int count_test_block = 4000;
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// Allocate the space for input and output,
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// where sig_block is the block to be denoised,
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// mc_avg_block is the denoised reference block,
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// avg_block_c is the denoised result from C code,
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// avg_block_sse2 is the denoised result from SSE2 code.
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DECLARE_ALIGNED(16, uint8_t, sig_block[kNumPixels]);
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DECLARE_ALIGNED(16, uint8_t, mc_avg_block[kNumPixels]);
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DECLARE_ALIGNED(16, uint8_t, avg_block_c[kNumPixels]);
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DECLARE_ALIGNED(16, uint8_t, avg_block_sse2[kNumPixels]);
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for (int i = 0; i < count_test_block; ++i) {
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// Generate random motion magnitude, 20% of which exceed the threshold.
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const int motion_magnitude_random =
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rnd.Rand8() % static_cast<int>(MOTION_MAGNITUDE_THRESHOLD * 1.2);
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// Initialize a test block with random number in range [0, 255].
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for (int j = 0; j < kNumPixels; ++j) {
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int temp = 0;
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sig_block[j] = rnd.Rand8();
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// The pixels in mc_avg_block are generated by adding a random
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// number in range [-19, 19] to corresponding pixels in sig_block.
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temp = sig_block[j] + ((rnd.Rand8() % 2 == 0) ? -1 : 1) *
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(rnd.Rand8() % 20);
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// Clip.
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mc_avg_block[j] = (temp < 0) ? 0 : ((temp > 255) ? 255 : temp);
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}
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ASM_REGISTER_STATE_CHECK(vp9_denoiser_filter_c(
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sig_block, 64, mc_avg_block, 64, avg_block_c,
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64, 0, bs_, motion_magnitude_random));
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ASM_REGISTER_STATE_CHECK(vp9_denoiser_filter_sse2(
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sig_block, 64, mc_avg_block, 64, avg_block_sse2,
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64, 0, bs_, motion_magnitude_random));
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// Test bitexactness.
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for (int h = 0; h < (4 << b_height_log2_lookup[bs_]); ++h) {
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for (int w = 0; w < (4 << b_width_log2_lookup[bs_]); ++w) {
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EXPECT_EQ(avg_block_c[h * 64 + w], avg_block_sse2[h * 64 + w]);
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}
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}
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}
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}
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// Test for all block size.
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INSTANTIATE_TEST_CASE_P(
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SSE2, VP9DenoiserTest,
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::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, BLOCK_8X8,
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BLOCK_8X16, BLOCK_16X8, BLOCK_16X16, BLOCK_16X32,
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BLOCK_32X16, BLOCK_32X32, BLOCK_32X64, BLOCK_64X32,
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BLOCK_64X64));
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} // namespace
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