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/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <tuple>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "vpx_scale/yv12config.h"
#include "vpx/vpx_integer.h"
#include "vp9/common/vp9_reconinter.h"
#include "vp9/encoder/vp9_context_tree.h"
#include "vp9/encoder/vp9_denoiser.h"
using libvpx_test::ACMRandom;
namespace {
const int kNumPixels = 64 * 64;
typedef int (*Vp9DenoiserFilterFunc)(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<Vp9DenoiserFilterFunc, BLOCK_SIZE> VP9DenoiserTestParam;
class VP9DenoiserTest
: public ::testing::Test,
public ::testing::WithParamInterface<VP9DenoiserTestParam> {
public:
virtual ~VP9DenoiserTest() {}
virtual void SetUp() { bs_ = GET_PARAM(1); }
virtual void TearDown() { libvpx_test::ClearSystemState(); }
protected:
BLOCK_SIZE bs_;
};
TEST_P(VP9DenoiserTest, 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);
}
ASM_REGISTER_STATE_CHECK(vp9_denoiser_filter_c(sig_block, 64, mc_avg_block,
64, avg_block_c, 64, 0, bs_,
motion_magnitude_random));
ASM_REGISTER_STATE_CHECK(GET_PARAM(0)(sig_block, 64, mc_avg_block, 64,
avg_block_sse2, 64, 0, bs_,
motion_magnitude_random));
// Test bitexactness.
for (int h = 0; h < (4 << b_height_log2_lookup[bs_]); ++h) {
for (int w = 0; w < (4 << b_width_log2_lookup[bs_]); ++w) {
EXPECT_EQ(avg_block_c[h * 64 + w], avg_block_sse2[h * 64 + w]);
}
}
}
}
using std::make_tuple;
// Test for all block size.
#if HAVE_SSE2
INSTANTIATE_TEST_SUITE_P(
SSE2, VP9DenoiserTest,
::testing::Values(make_tuple(&vp9_denoiser_filter_sse2, BLOCK_8X8),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_8X16),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_16X8),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_16X16),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_16X32),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_32X16),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_32X32),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_32X64),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_64X32),
make_tuple(&vp9_denoiser_filter_sse2, BLOCK_64X64)));
#endif // HAVE_SSE2
#if HAVE_NEON
INSTANTIATE_TEST_SUITE_P(
NEON, VP9DenoiserTest,
::testing::Values(make_tuple(&vp9_denoiser_filter_neon, BLOCK_8X8),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_8X16),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_16X8),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_16X16),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_16X32),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_32X16),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_32X32),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_32X64),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_64X32),
make_tuple(&vp9_denoiser_filter_neon, BLOCK_64X64)));
#endif
} // namespace
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