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Diffstat (limited to 'media/libvpx/libvpx/test/quantize_test.cc')
| -rw-r--r-- | media/libvpx/libvpx/test/quantize_test.cc | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/test/quantize_test.cc b/media/libvpx/libvpx/test/quantize_test.cc new file mode 100644 index 0000000000..ab38f5c1b0 --- /dev/null +++ b/media/libvpx/libvpx/test/quantize_test.cc @@ -0,0 +1,234 @@ +/* + * 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 <string.h> +#include <tuple> + +#include "third_party/googletest/src/include/gtest/gtest.h" + +#include "./vp8_rtcd.h" +#include "./vpx_config.h" +#include "test/acm_random.h" +#include "test/bench.h" +#include "test/clear_system_state.h" +#include "test/register_state_check.h" +#include "test/util.h" +#include "vp8/common/blockd.h" +#include "vp8/common/onyx.h" +#include "vp8/encoder/block.h" +#include "vp8/encoder/onyx_int.h" +#include "vp8/encoder/quantize.h" +#include "vpx/vpx_integer.h" +#include "vpx_mem/vpx_mem.h" + +namespace { + +const int kNumBlocks = 25; +const int kNumBlockEntries = 16; + +typedef void (*VP8Quantize)(BLOCK *b, BLOCKD *d); + +typedef std::tuple<VP8Quantize, VP8Quantize> VP8QuantizeParam; + +using libvpx_test::ACMRandom; +using std::make_tuple; + +// Create and populate a VP8_COMP instance which has a complete set of +// quantization inputs as well as a second MACROBLOCKD for output. +class QuantizeTestBase { + public: + virtual ~QuantizeTestBase() { + vp8_remove_compressor(&vp8_comp_); + vp8_comp_ = nullptr; + vpx_free(macroblockd_dst_); + macroblockd_dst_ = nullptr; + libvpx_test::ClearSystemState(); + } + + protected: + void SetupCompressor() { + rnd_.Reset(ACMRandom::DeterministicSeed()); + + // The full configuration is necessary to generate the quantization tables. + VP8_CONFIG vp8_config; + memset(&vp8_config, 0, sizeof(vp8_config)); + + vp8_comp_ = vp8_create_compressor(&vp8_config); + + // Set the tables based on a quantizer of 0. + vp8_set_quantizer(vp8_comp_, 0); + + // Set up all the block/blockd pointers for the mb in vp8_comp_. + vp8cx_frame_init_quantizer(vp8_comp_); + + // Copy macroblockd from the reference to get pre-set-up dequant values. + macroblockd_dst_ = reinterpret_cast<MACROBLOCKD *>( + vpx_memalign(32, sizeof(*macroblockd_dst_))); + memcpy(macroblockd_dst_, &vp8_comp_->mb.e_mbd, sizeof(*macroblockd_dst_)); + // Fix block pointers - currently they point to the blocks in the reference + // structure. + vp8_setup_block_dptrs(macroblockd_dst_); + } + + void UpdateQuantizer(int q) { + vp8_set_quantizer(vp8_comp_, q); + + memcpy(macroblockd_dst_, &vp8_comp_->mb.e_mbd, sizeof(*macroblockd_dst_)); + vp8_setup_block_dptrs(macroblockd_dst_); + } + + void FillCoeffConstant(int16_t c) { + for (int i = 0; i < kNumBlocks * kNumBlockEntries; ++i) { + vp8_comp_->mb.coeff[i] = c; + } + } + + void FillCoeffRandom() { + for (int i = 0; i < kNumBlocks * kNumBlockEntries; ++i) { + vp8_comp_->mb.coeff[i] = rnd_.Rand8(); + } + } + + void CheckOutput() { + EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.qcoeff, macroblockd_dst_->qcoeff, + sizeof(*macroblockd_dst_->qcoeff) * kNumBlocks * + kNumBlockEntries)) + << "qcoeff mismatch"; + EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.dqcoeff, macroblockd_dst_->dqcoeff, + sizeof(*macroblockd_dst_->dqcoeff) * kNumBlocks * + kNumBlockEntries)) + << "dqcoeff mismatch"; + EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.eobs, macroblockd_dst_->eobs, + sizeof(*macroblockd_dst_->eobs) * kNumBlocks)) + << "eobs mismatch"; + } + + VP8_COMP *vp8_comp_; + MACROBLOCKD *macroblockd_dst_; + + private: + ACMRandom rnd_; +}; + +class QuantizeTest : public QuantizeTestBase, + public ::testing::TestWithParam<VP8QuantizeParam>, + public AbstractBench { + protected: + void SetUp() override { + SetupCompressor(); + asm_quant_ = GET_PARAM(0); + c_quant_ = GET_PARAM(1); + } + + void Run() override { + asm_quant_(&vp8_comp_->mb.block[0], ¯oblockd_dst_->block[0]); + } + + void RunComparison() { + for (int i = 0; i < kNumBlocks; ++i) { + ASM_REGISTER_STATE_CHECK( + c_quant_(&vp8_comp_->mb.block[i], &vp8_comp_->mb.e_mbd.block[i])); + ASM_REGISTER_STATE_CHECK( + asm_quant_(&vp8_comp_->mb.block[i], ¯oblockd_dst_->block[i])); + } + + CheckOutput(); + } + + private: + VP8Quantize asm_quant_; + VP8Quantize c_quant_; +}; +GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(QuantizeTest); + +TEST_P(QuantizeTest, TestZeroInput) { + FillCoeffConstant(0); + RunComparison(); +} + +TEST_P(QuantizeTest, TestLargeNegativeInput) { + FillCoeffConstant(0); + // Generate a qcoeff which contains 512/-512 (0x0100/0xFE00) to catch issues + // like BUG=883 where the constant being compared was incorrectly initialized. + vp8_comp_->mb.coeff[0] = -8191; + RunComparison(); +} + +TEST_P(QuantizeTest, TestRandomInput) { + FillCoeffRandom(); + RunComparison(); +} + +TEST_P(QuantizeTest, TestMultipleQ) { + for (int q = 0; q < QINDEX_RANGE; ++q) { + UpdateQuantizer(q); + FillCoeffRandom(); + RunComparison(); + } +} + +TEST_P(QuantizeTest, DISABLED_Speed) { + FillCoeffRandom(); + + RunNTimes(10000000); + PrintMedian("vp8 quantize"); +} + +#if HAVE_SSE2 +INSTANTIATE_TEST_SUITE_P( + SSE2, QuantizeTest, + ::testing::Values( + make_tuple(&vp8_fast_quantize_b_sse2, &vp8_fast_quantize_b_c), + make_tuple(&vp8_regular_quantize_b_sse2, &vp8_regular_quantize_b_c))); +#endif // HAVE_SSE2 + +#if HAVE_SSSE3 +INSTANTIATE_TEST_SUITE_P( + SSSE3, QuantizeTest, + ::testing::Values(make_tuple(&vp8_fast_quantize_b_ssse3, + &vp8_fast_quantize_b_c))); +#endif // HAVE_SSSE3 + +#if HAVE_SSE4_1 +INSTANTIATE_TEST_SUITE_P( + SSE4_1, QuantizeTest, + ::testing::Values(make_tuple(&vp8_regular_quantize_b_sse4_1, + &vp8_regular_quantize_b_c))); +#endif // HAVE_SSE4_1 + +#if HAVE_NEON +INSTANTIATE_TEST_SUITE_P(NEON, QuantizeTest, + ::testing::Values(make_tuple(&vp8_fast_quantize_b_neon, + &vp8_fast_quantize_b_c))); +#endif // HAVE_NEON + +#if HAVE_MSA +INSTANTIATE_TEST_SUITE_P( + MSA, QuantizeTest, + ::testing::Values( + make_tuple(&vp8_fast_quantize_b_msa, &vp8_fast_quantize_b_c), + make_tuple(&vp8_regular_quantize_b_msa, &vp8_regular_quantize_b_c))); +#endif // HAVE_MSA + +#if HAVE_MMI +INSTANTIATE_TEST_SUITE_P( + MMI, QuantizeTest, + ::testing::Values( + make_tuple(&vp8_fast_quantize_b_mmi, &vp8_fast_quantize_b_c), + make_tuple(&vp8_regular_quantize_b_mmi, &vp8_regular_quantize_b_c))); +#endif // HAVE_MMI + +#if HAVE_LSX +INSTANTIATE_TEST_SUITE_P( + LSX, QuantizeTest, + ::testing::Values(make_tuple(&vp8_regular_quantize_b_lsx, + &vp8_regular_quantize_b_c))); +#endif // HAVE_LSX +} // namespace |