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Diffstat (limited to 'media/libvpx/libvpx/test/vp9_denoiser_test.cc')
| -rw-r--r-- | media/libvpx/libvpx/test/vp9_denoiser_test.cc | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/test/vp9_denoiser_test.cc b/media/libvpx/libvpx/test/vp9_denoiser_test.cc new file mode 100644 index 0000000000..831f83305c --- /dev/null +++ b/media/libvpx/libvpx/test/vp9_denoiser_test.cc @@ -0,0 +1,136 @@ +/* + * 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: + ~VP9DenoiserTest() override = default; + + void SetUp() override { bs_ = GET_PARAM(1); } + + void TearDown() override { libvpx_test::ClearSystemState(); } + + protected: + BLOCK_SIZE bs_; +}; +GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(VP9DenoiserTest); + +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 |