09fbe88631
The unit test is to check the bitexactness of SSE2 code with C code. Change-Id: I13cc08a557b02357e5d6c2db7a49e93ce0d8e16f
120 lines
4.2 KiB
C++
120 lines
4.2 KiB
C++
/*
|
|
* 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 "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 "vp8/encoder/denoising.h"
|
|
#include "vp8/common/reconinter.h"
|
|
#include "vpx/vpx_integer.h"
|
|
#include "vpx_mem/vpx_mem.h"
|
|
|
|
using libvpx_test::ACMRandom;
|
|
|
|
namespace {
|
|
|
|
const int kNumPixels = 16 * 16;
|
|
class VP8DenoiserTest
|
|
: public ::testing::TestWithParam<int> {
|
|
public:
|
|
virtual ~VP8DenoiserTest() {}
|
|
|
|
virtual void SetUp() {
|
|
increase_denoising = GetParam();
|
|
}
|
|
|
|
virtual void TearDown() { libvpx_test::ClearSystemState(); }
|
|
|
|
protected:
|
|
int increase_denoising;
|
|
};
|
|
|
|
TEST_P(VP8DenoiserTest, BitexactCheck) {
|
|
ACMRandom rnd(ACMRandom::DeterministicSeed());
|
|
const int count_test_block = 4000;
|
|
const int stride = 16;
|
|
|
|
// Allocate the space for input and output,
|
|
// where sig_block_c/_sse2 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_ARRAY(16, uint8_t, sig_block_c, kNumPixels);
|
|
// Since in VP8 denoiser, the source signal will be changed,
|
|
// we need another copy of the source signal as the input of sse2 code.
|
|
DECLARE_ALIGNED_ARRAY(16, uint8_t, sig_block_sse2, kNumPixels);
|
|
DECLARE_ALIGNED_ARRAY(16, uint8_t, mc_avg_block, kNumPixels);
|
|
DECLARE_ALIGNED_ARRAY(16, uint8_t, avg_block_c, kNumPixels);
|
|
DECLARE_ALIGNED_ARRAY(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.
|
|
uint8_t motion_magnitude_random
|
|
= rnd.Rand8() % (uint8_t)(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_sse2[j] = sig_block_c[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_c[j] + (rnd.Rand8() % 2 == 0? -1 : 1) *
|
|
(rnd.Rand8()%20);
|
|
// Clip.
|
|
mc_avg_block[j] = (temp < 0? 0 : (temp > 255? 255 : temp));
|
|
}
|
|
|
|
// Test denosiser on Y component.
|
|
ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_c(mc_avg_block, stride,
|
|
avg_block_c, stride, sig_block_c, stride,
|
|
motion_magnitude_random, increase_denoising));
|
|
|
|
ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_sse2(mc_avg_block, stride,
|
|
avg_block_sse2, stride, sig_block_sse2, stride,
|
|
motion_magnitude_random, increase_denoising));
|
|
|
|
// Check bitexactness.
|
|
for (int h = 0; h < 16; ++h) {
|
|
for (int w = 0; w < 16; ++w) {
|
|
EXPECT_EQ(avg_block_c[h * stride + w], avg_block_sse2[h * stride + w]);
|
|
}
|
|
}
|
|
|
|
// Test denosiser on UV component.
|
|
ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_uv_c(mc_avg_block, stride,
|
|
avg_block_c, stride, sig_block_c, stride,
|
|
motion_magnitude_random, increase_denoising));
|
|
|
|
ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_uv_sse2(mc_avg_block, stride,
|
|
avg_block_sse2, stride, sig_block_sse2, stride,
|
|
motion_magnitude_random, increase_denoising));
|
|
|
|
// Check bitexactness.
|
|
for (int h = 0; h < 16; ++h) {
|
|
for (int w = 0; w < 16; ++w) {
|
|
EXPECT_EQ(avg_block_c[h * stride + w], avg_block_sse2[h * stride + w]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test for all block size.
|
|
INSTANTIATE_TEST_CASE_P(
|
|
SSE2, VP8DenoiserTest,
|
|
::testing::Values(0, 1));
|
|
} // namespace
|