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Diffstat (limited to 'media/libvpx/libvpx/test/comp_avg_pred_test.cc')
| -rw-r--r-- | media/libvpx/libvpx/test/comp_avg_pred_test.cc | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/test/comp_avg_pred_test.cc b/media/libvpx/libvpx/test/comp_avg_pred_test.cc new file mode 100644 index 0000000000..f747c3524e --- /dev/null +++ b/media/libvpx/libvpx/test/comp_avg_pred_test.cc @@ -0,0 +1,270 @@ +/* + * Copyright (c) 2017 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 "third_party/googletest/src/include/gtest/gtest.h" + +#include "./vpx_dsp_rtcd.h" + +#include "test/acm_random.h" +#include "test/buffer.h" +#include "test/register_state_check.h" +#include "vpx_ports/vpx_timer.h" + +namespace { + +using ::libvpx_test::ACMRandom; +using ::libvpx_test::Buffer; + +template <typename Pixel> +Pixel avg_with_rounding(Pixel a, Pixel b) { + return (a + b + 1) >> 1; +} + +template <typename Pixel> +void reference_pred(const Buffer<Pixel> &pred, const Buffer<Pixel> &ref, + int width, int height, Buffer<Pixel> *avg) { + ASSERT_NE(avg->TopLeftPixel(), nullptr); + ASSERT_NE(pred.TopLeftPixel(), nullptr); + ASSERT_NE(ref.TopLeftPixel(), nullptr); + + for (int y = 0; y < height; ++y) { + for (int x = 0; x < width; ++x) { + avg->TopLeftPixel()[y * avg->stride() + x] = + avg_with_rounding<Pixel>(pred.TopLeftPixel()[y * pred.stride() + x], + ref.TopLeftPixel()[y * ref.stride() + x]); + } + } +} + +using AvgPredFunc = void (*)(uint8_t *a, const uint8_t *b, int w, int h, + const uint8_t *c, int c_stride); + +template <int bitdepth, typename Pixel> +class AvgPredTest : public ::testing::TestWithParam<AvgPredFunc> { + public: + virtual void SetUp() { + avg_pred_func_ = GetParam(); + rnd_.Reset(ACMRandom::DeterministicSeed()); + } + + void TestSizeCombinations(); + void TestCompareReferenceRandom(); + void TestSpeed(); + + protected: + AvgPredFunc avg_pred_func_; + ACMRandom rnd_; +}; + +template <int bitdepth, typename Pixel> +void AvgPredTest<bitdepth, Pixel>::TestSizeCombinations() { + // This is called as part of the sub pixel variance. As such it must be one of + // the variance block sizes. + for (int width_pow = 2; width_pow <= 6; ++width_pow) { + for (int height_pow = width_pow - 1; height_pow <= width_pow + 1; + ++height_pow) { + // Don't test 4x2 or 64x128 + if (height_pow == 1 || height_pow == 7) continue; + + // The sse2 special-cases when ref width == stride, so make sure to test + // it. + for (int ref_padding = 0; ref_padding < 2; ref_padding++) { + const int width = 1 << width_pow; + const int height = 1 << height_pow; + // Only the reference buffer may have a stride not equal to width. + Buffer<Pixel> ref = Buffer<Pixel>(width, height, ref_padding ? 8 : 0); + ASSERT_TRUE(ref.Init()); + Buffer<Pixel> pred = Buffer<Pixel>(width, height, 0, 16); + ASSERT_TRUE(pred.Init()); + Buffer<Pixel> avg_ref = Buffer<Pixel>(width, height, 0, 16); + ASSERT_TRUE(avg_ref.Init()); + Buffer<Pixel> avg_chk = Buffer<Pixel>(width, height, 0, 16); + ASSERT_TRUE(avg_chk.Init()); + const int bitdepth_mask = (1 << bitdepth) - 1; + for (int h = 0; h < height; ++h) { + for (int w = 0; w < width; ++w) { + ref.TopLeftPixel()[w + h * width] = rnd_.Rand16() & bitdepth_mask; + } + } + for (int h = 0; h < height; ++h) { + for (int w = 0; w < width; ++w) { + pred.TopLeftPixel()[w + h * width] = rnd_.Rand16() & bitdepth_mask; + } + } + + reference_pred<Pixel>(pred, ref, width, height, &avg_ref); + ASM_REGISTER_STATE_CHECK(avg_pred_func_( + (uint8_t *)avg_chk.TopLeftPixel(), (uint8_t *)pred.TopLeftPixel(), + width, height, (uint8_t *)ref.TopLeftPixel(), ref.stride())); + + EXPECT_TRUE(avg_chk.CheckValues(avg_ref)); + if (HasFailure()) { + printf("Width: %d Height: %d\n", width, height); + avg_chk.PrintDifference(avg_ref); + return; + } + } + } + } +} + +template <int bitdepth, typename Pixel> +void AvgPredTest<bitdepth, Pixel>::TestCompareReferenceRandom() { + const int width = 64; + const int height = 32; + Buffer<Pixel> ref = Buffer<Pixel>(width, height, 8); + ASSERT_TRUE(ref.Init()); + Buffer<Pixel> pred = Buffer<Pixel>(width, height, 0, 16); + ASSERT_TRUE(pred.Init()); + Buffer<Pixel> avg_ref = Buffer<Pixel>(width, height, 0, 16); + ASSERT_TRUE(avg_ref.Init()); + Buffer<Pixel> avg_chk = Buffer<Pixel>(width, height, 0, 16); + ASSERT_TRUE(avg_chk.Init()); + + for (int i = 0; i < 500; ++i) { + const int bitdepth_mask = (1 << bitdepth) - 1; + for (int h = 0; h < height; ++h) { + for (int w = 0; w < width; ++w) { + ref.TopLeftPixel()[w + h * width] = rnd_.Rand16() & bitdepth_mask; + } + } + for (int h = 0; h < height; ++h) { + for (int w = 0; w < width; ++w) { + pred.TopLeftPixel()[w + h * width] = rnd_.Rand16() & bitdepth_mask; + } + } + + reference_pred<Pixel>(pred, ref, width, height, &avg_ref); + ASM_REGISTER_STATE_CHECK(avg_pred_func_( + (uint8_t *)avg_chk.TopLeftPixel(), (uint8_t *)pred.TopLeftPixel(), + width, height, (uint8_t *)ref.TopLeftPixel(), ref.stride())); + EXPECT_TRUE(avg_chk.CheckValues(avg_ref)); + if (HasFailure()) { + printf("Width: %d Height: %d\n", width, height); + avg_chk.PrintDifference(avg_ref); + return; + } + } +} + +template <int bitdepth, typename Pixel> +void AvgPredTest<bitdepth, Pixel>::TestSpeed() { + for (int width_pow = 2; width_pow <= 6; ++width_pow) { + for (int height_pow = width_pow - 1; height_pow <= width_pow + 1; + ++height_pow) { + // Don't test 4x2 or 64x128 + if (height_pow == 1 || height_pow == 7) continue; + + for (int ref_padding = 0; ref_padding < 2; ref_padding++) { + const int width = 1 << width_pow; + const int height = 1 << height_pow; + Buffer<Pixel> ref = Buffer<Pixel>(width, height, ref_padding ? 8 : 0); + ASSERT_TRUE(ref.Init()); + Buffer<Pixel> pred = Buffer<Pixel>(width, height, 0, 16); + ASSERT_TRUE(pred.Init()); + Buffer<Pixel> avg = Buffer<Pixel>(width, height, 0, 16); + ASSERT_TRUE(avg.Init()); + const int bitdepth_mask = (1 << bitdepth) - 1; + for (int h = 0; h < height; ++h) { + for (int w = 0; w < width; ++w) { + ref.TopLeftPixel()[w + h * width] = rnd_.Rand16() & bitdepth_mask; + } + } + for (int h = 0; h < height; ++h) { + for (int w = 0; w < width; ++w) { + pred.TopLeftPixel()[w + h * width] = rnd_.Rand16() & bitdepth_mask; + } + } + + vpx_usec_timer timer; + vpx_usec_timer_start(&timer); + for (int i = 0; i < 100000000 / (width * height); ++i) { + avg_pred_func_((uint8_t *)avg.TopLeftPixel(), + (uint8_t *)pred.TopLeftPixel(), width, height, + (uint8_t *)ref.TopLeftPixel(), ref.stride()); + } + vpx_usec_timer_mark(&timer); + + const int elapsed_time = + static_cast<int>(vpx_usec_timer_elapsed(&timer)); + printf("Average Test (ref_padding: %d) %dx%d time: %5d us\n", + ref_padding, width, height, elapsed_time); + } + } + } +} + +using AvgPredTestLBD = AvgPredTest<8, uint8_t>; + +TEST_P(AvgPredTestLBD, SizeCombinations) { TestSizeCombinations(); } + +TEST_P(AvgPredTestLBD, CompareReferenceRandom) { TestCompareReferenceRandom(); } + +TEST_P(AvgPredTestLBD, DISABLED_Speed) { TestSpeed(); } + +INSTANTIATE_TEST_SUITE_P(C, AvgPredTestLBD, + ::testing::Values(&vpx_comp_avg_pred_c)); + +#if HAVE_SSE2 +INSTANTIATE_TEST_SUITE_P(SSE2, AvgPredTestLBD, + ::testing::Values(&vpx_comp_avg_pred_sse2)); +#endif // HAVE_SSE2 + +#if HAVE_NEON +INSTANTIATE_TEST_SUITE_P(NEON, AvgPredTestLBD, + ::testing::Values(&vpx_comp_avg_pred_neon)); +#endif // HAVE_NEON + +#if HAVE_VSX +INSTANTIATE_TEST_SUITE_P(VSX, AvgPredTestLBD, + ::testing::Values(&vpx_comp_avg_pred_vsx)); +#endif // HAVE_VSX + +#if HAVE_LSX +INSTANTIATE_TEST_SUITE_P(LSX, AvgPredTestLBD, + ::testing::Values(&vpx_comp_avg_pred_lsx)); +#endif // HAVE_LSX + +#if CONFIG_VP9_HIGHBITDEPTH +using HighbdAvgPredFunc = void (*)(uint16_t *a, const uint16_t *b, int w, int h, + const uint16_t *c, int c_stride); + +template <HighbdAvgPredFunc fn> +void highbd_wrapper(uint8_t *a, const uint8_t *b, int w, int h, + const uint8_t *c, int c_stride) { + fn((uint16_t *)a, (const uint16_t *)b, w, h, (const uint16_t *)c, c_stride); +} + +using AvgPredTestHBD = AvgPredTest<12, uint16_t>; + +TEST_P(AvgPredTestHBD, SizeCombinations) { TestSizeCombinations(); } + +TEST_P(AvgPredTestHBD, CompareReferenceRandom) { TestCompareReferenceRandom(); } + +TEST_P(AvgPredTestHBD, DISABLED_Speed) { TestSpeed(); } + +INSTANTIATE_TEST_SUITE_P( + C, AvgPredTestHBD, + ::testing::Values(&highbd_wrapper<vpx_highbd_comp_avg_pred_c>)); + +#if HAVE_SSE2 +INSTANTIATE_TEST_SUITE_P( + SSE2, AvgPredTestHBD, + ::testing::Values(&highbd_wrapper<vpx_highbd_comp_avg_pred_sse2>)); +#endif // HAVE_SSE2 + +#if HAVE_NEON +INSTANTIATE_TEST_SUITE_P( + NEON, AvgPredTestHBD, + ::testing::Values(&highbd_wrapper<vpx_highbd_comp_avg_pred_neon>)); +#endif // HAVE_NEON + +#endif // CONFIG_VP9_HIGHBITDEPTH +} // namespace |