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/*
* 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 <stdio.h>
#include <stdlib.h>
#include <tuple>
#include "config/av1_rtcd.h"
#include "test/acm_random.h"
#include "test/util.h"
#include "test/register_state_check.h"
#include "aom_scale/yv12config.h"
#include "aom/aom_integer.h"
#include "av1/common/reconinter.h"
#include "av1/encoder/context_tree.h"
#include "av1/encoder/av1_temporal_denoiser.h"
using libaom_test::ACMRandom;
namespace {
const int kNumPixels = 128 * 128;
typedef int (*Av1DenoiserFilterFunc)(const uint8_t *sig, int sig_stride,
const uint8_t *mc_avg, int mc_avg_stride,
uint8_t *avg, int avg_stride,
int increase_denoising, BLOCK_SIZE bs,
int motion_magnitude);
typedef std::tuple<Av1DenoiserFilterFunc, BLOCK_SIZE> AV1DenoiserTestParam;
class AV1DenoiserTest
: public ::testing::Test,
public ::testing::WithParamInterface<AV1DenoiserTestParam> {
public:
~AV1DenoiserTest() override = default;
void SetUp() override { bs_ = GET_PARAM(1); }
protected:
BLOCK_SIZE bs_;
};
TEST_P(AV1DenoiserTest, BitexactCheck) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int count_test_block = 4000;
// Allocate the space for input and output,
// where sig_block is the block to be denoised,
// mc_avg_block is the denoised reference block,
// avg_block_c is the denoised result from C code,
// avg_block_sse2 is the denoised result from SSE2 code.
DECLARE_ALIGNED(16, uint8_t, sig_block[kNumPixels]);
DECLARE_ALIGNED(16, uint8_t, mc_avg_block[kNumPixels]);
DECLARE_ALIGNED(16, uint8_t, avg_block_c[kNumPixels]);
DECLARE_ALIGNED(16, uint8_t, avg_block_sse2[kNumPixels]);
for (int i = 0; i < count_test_block; ++i) {
// Generate random motion magnitude, 20% of which exceed the threshold.
const int motion_magnitude_random =
rnd.Rand8() % static_cast<int>(MOTION_MAGNITUDE_THRESHOLD * 1.2);
// Initialize a test block with random number in range [0, 255].
for (int j = 0; j < kNumPixels; ++j) {
int temp = 0;
sig_block[j] = rnd.Rand8();
// The pixels in mc_avg_block are generated by adding a random
// number in range [-19, 19] to corresponding pixels in sig_block.
temp =
sig_block[j] + ((rnd.Rand8() % 2 == 0) ? -1 : 1) * (rnd.Rand8() % 20);
// Clip.
mc_avg_block[j] = (temp < 0) ? 0 : ((temp > 255) ? 255 : temp);
}
API_REGISTER_STATE_CHECK(
av1_denoiser_filter_c(sig_block, 128, mc_avg_block, 128, avg_block_c,
128, 0, bs_, motion_magnitude_random));
API_REGISTER_STATE_CHECK(GET_PARAM(0)(sig_block, 128, mc_avg_block, 128,
avg_block_sse2, 128, 0, bs_,
motion_magnitude_random));
// Test bitexactness.
for (int h = 0; h < block_size_high[bs_]; ++h) {
for (int w = 0; w < block_size_wide[bs_]; ++w) {
EXPECT_EQ(avg_block_c[h * 128 + w], avg_block_sse2[h * 128 + w]);
}
}
}
}
using std::make_tuple;
// Test for all block size.
#if HAVE_SSE2
INSTANTIATE_TEST_SUITE_P(
SSE2, AV1DenoiserTest,
::testing::Values(make_tuple(&av1_denoiser_filter_sse2, BLOCK_8X8),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_8X16),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_16X8),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_16X16),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_16X32),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_32X16),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_32X32),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_32X64),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_64X32),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_64X64),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_128X64),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_64X128),
make_tuple(&av1_denoiser_filter_sse2, BLOCK_128X128)));
#endif // HAVE_SSE2
#if HAVE_NEON
INSTANTIATE_TEST_SUITE_P(
NEON, AV1DenoiserTest,
::testing::Values(make_tuple(&av1_denoiser_filter_neon, BLOCK_8X8),
make_tuple(&av1_denoiser_filter_neon, BLOCK_8X16),
make_tuple(&av1_denoiser_filter_neon, BLOCK_16X8),
make_tuple(&av1_denoiser_filter_neon, BLOCK_16X16),
make_tuple(&av1_denoiser_filter_neon, BLOCK_16X32),
make_tuple(&av1_denoiser_filter_neon, BLOCK_32X16),
make_tuple(&av1_denoiser_filter_neon, BLOCK_32X32),
make_tuple(&av1_denoiser_filter_neon, BLOCK_32X64),
make_tuple(&av1_denoiser_filter_neon, BLOCK_64X32),
make_tuple(&av1_denoiser_filter_neon, BLOCK_64X64),
make_tuple(&av1_denoiser_filter_neon, BLOCK_128X64),
make_tuple(&av1_denoiser_filter_neon, BLOCK_64X128),
make_tuple(&av1_denoiser_filter_neon, BLOCK_128X128)));
#endif
} // namespace
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