257 строки
11 KiB
C++
257 строки
11 KiB
C++
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include "third_party/googletest/src/include/gtest/gtest.h"
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#include "./av1_rtcd.h"
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#include "./aom_dsp_rtcd.h"
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#include "test/acm_random.h"
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#include "test/clear_system_state.h"
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#include "test/register_state_check.h"
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#include "test/util.h"
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#include "av1/common/blockd.h"
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#include "av1/common/scan.h"
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#include "aom/aom_integer.h"
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using libaom_test::ACMRandom;
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namespace {
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typedef void (*FwdTxfmFunc)(const int16_t *in, tran_low_t *out, int stride);
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typedef void (*InvTxfmFunc)(const tran_low_t *in, uint8_t *out, int stride);
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typedef std::tr1::tuple<FwdTxfmFunc, InvTxfmFunc, InvTxfmFunc, TX_SIZE, int>
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PartialInvTxfmParam;
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const int kMaxNumCoeffs = 1024;
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class PartialIDctTest : public ::testing::TestWithParam<PartialInvTxfmParam> {
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public:
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virtual ~PartialIDctTest() {}
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virtual void SetUp() {
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ftxfm_ = GET_PARAM(0);
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full_itxfm_ = GET_PARAM(1);
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partial_itxfm_ = GET_PARAM(2);
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tx_size_ = GET_PARAM(3);
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last_nonzero_ = GET_PARAM(4);
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}
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virtual void TearDown() { libaom_test::ClearSystemState(); }
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protected:
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int last_nonzero_;
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TX_SIZE tx_size_;
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FwdTxfmFunc ftxfm_;
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InvTxfmFunc full_itxfm_;
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InvTxfmFunc partial_itxfm_;
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};
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TEST_P(PartialIDctTest, RunQuantCheck) {
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int size;
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switch (tx_size_) {
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case TX_4X4: size = 4; break;
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case TX_8X8: size = 8; break;
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case TX_16X16: size = 16; break;
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case TX_32X32: size = 32; break;
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default: FAIL() << "Wrong Size!"; break;
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}
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DECLARE_ALIGNED(16, tran_low_t, test_coef_block1[kMaxNumCoeffs]);
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DECLARE_ALIGNED(16, tran_low_t, test_coef_block2[kMaxNumCoeffs]);
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DECLARE_ALIGNED(16, uint8_t, dst1[kMaxNumCoeffs]);
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DECLARE_ALIGNED(16, uint8_t, dst2[kMaxNumCoeffs]);
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const int count_test_block = 1000;
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const int block_size = size * size;
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DECLARE_ALIGNED(16, int16_t, input_extreme_block[kMaxNumCoeffs]);
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DECLARE_ALIGNED(16, tran_low_t, output_ref_block[kMaxNumCoeffs]);
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int max_error = 0;
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for (int m = 0; m < count_test_block; ++m) {
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// clear out destination buffer
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memset(dst1, 0, sizeof(*dst1) * block_size);
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memset(dst2, 0, sizeof(*dst2) * block_size);
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memset(test_coef_block1, 0, sizeof(*test_coef_block1) * block_size);
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memset(test_coef_block2, 0, sizeof(*test_coef_block2) * block_size);
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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for (int n = 0; n < count_test_block; ++n) {
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// Initialize a test block with input range [-255, 255].
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if (n == 0) {
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for (int j = 0; j < block_size; ++j) input_extreme_block[j] = 255;
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} else if (n == 1) {
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for (int j = 0; j < block_size; ++j) input_extreme_block[j] = -255;
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} else {
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for (int j = 0; j < block_size; ++j) {
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input_extreme_block[j] = rnd.Rand8() % 2 ? 255 : -255;
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}
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}
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ftxfm_(input_extreme_block, output_ref_block, size);
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// quantization with maximum allowed step sizes
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test_coef_block1[0] = (output_ref_block[0] / 1336) * 1336;
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for (int j = 1; j < last_nonzero_; ++j)
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test_coef_block1[av1_default_scan_orders[tx_size_].scan[j]] =
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(output_ref_block[j] / 1828) * 1828;
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}
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ASM_REGISTER_STATE_CHECK(full_itxfm_(test_coef_block1, dst1, size));
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ASM_REGISTER_STATE_CHECK(partial_itxfm_(test_coef_block1, dst2, size));
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for (int j = 0; j < block_size; ++j) {
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const int diff = dst1[j] - dst2[j];
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const int error = diff * diff;
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if (max_error < error) max_error = error;
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}
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}
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EXPECT_EQ(0, max_error)
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<< "Error: partial inverse transform produces different results";
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}
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TEST_P(PartialIDctTest, ResultsMatch) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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int size;
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switch (tx_size_) {
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case TX_4X4: size = 4; break;
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case TX_8X8: size = 8; break;
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case TX_16X16: size = 16; break;
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case TX_32X32: size = 32; break;
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default: FAIL() << "Wrong Size!"; break;
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}
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DECLARE_ALIGNED(16, tran_low_t, test_coef_block1[kMaxNumCoeffs]);
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DECLARE_ALIGNED(16, tran_low_t, test_coef_block2[kMaxNumCoeffs]);
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DECLARE_ALIGNED(16, uint8_t, dst1[kMaxNumCoeffs]);
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DECLARE_ALIGNED(16, uint8_t, dst2[kMaxNumCoeffs]);
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const int count_test_block = 1000;
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const int max_coeff = 32766 / 4;
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const int block_size = size * size;
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int max_error = 0;
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for (int i = 0; i < count_test_block; ++i) {
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// clear out destination buffer
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memset(dst1, 0, sizeof(*dst1) * block_size);
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memset(dst2, 0, sizeof(*dst2) * block_size);
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memset(test_coef_block1, 0, sizeof(*test_coef_block1) * block_size);
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memset(test_coef_block2, 0, sizeof(*test_coef_block2) * block_size);
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int max_energy_leftover = max_coeff * max_coeff;
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for (int j = 0; j < last_nonzero_; ++j) {
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int16_t coef = static_cast<int16_t>(sqrt(1.0 * max_energy_leftover) *
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(rnd.Rand16() - 32768) / 65536);
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max_energy_leftover -= coef * coef;
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if (max_energy_leftover < 0) {
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max_energy_leftover = 0;
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coef = 0;
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}
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test_coef_block1[av1_default_scan_orders[tx_size_].scan[j]] = coef;
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}
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memcpy(test_coef_block2, test_coef_block1,
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sizeof(*test_coef_block2) * block_size);
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ASM_REGISTER_STATE_CHECK(full_itxfm_(test_coef_block1, dst1, size));
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ASM_REGISTER_STATE_CHECK(partial_itxfm_(test_coef_block2, dst2, size));
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for (int j = 0; j < block_size; ++j) {
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const int diff = dst1[j] - dst2[j];
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const int error = diff * diff;
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if (max_error < error) max_error = error;
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}
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}
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EXPECT_EQ(0, max_error)
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<< "Error: partial inverse transform produces different results";
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}
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using std::tr1::make_tuple;
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INSTANTIATE_TEST_CASE_P(
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C, PartialIDctTest,
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::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
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&aom_idct32x32_34_add_c, TX_32X32, 34),
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make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
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&aom_idct32x32_1_add_c, TX_32X32, 1),
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make_tuple(&aom_fdct16x16_c, &aom_idct16x16_256_add_c,
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&aom_idct16x16_10_add_c, TX_16X16, 10),
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make_tuple(&aom_fdct16x16_c, &aom_idct16x16_256_add_c,
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&aom_idct16x16_1_add_c, TX_16X16, 1),
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make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_12_add_c, TX_8X8, 12),
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make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_1_add_c, TX_8X8, 1),
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make_tuple(&aom_fdct4x4_c, &aom_idct4x4_16_add_c,
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&aom_idct4x4_1_add_c, TX_4X4, 1)));
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#if HAVE_NEON && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
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INSTANTIATE_TEST_CASE_P(
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NEON, PartialIDctTest,
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::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
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&aom_idct32x32_1_add_neon, TX_32X32, 1),
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make_tuple(&aom_fdct16x16_c, &aom_idct16x16_256_add_c,
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&aom_idct16x16_10_add_neon, TX_16X16, 10),
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make_tuple(&aom_fdct16x16_c, &aom_idct16x16_256_add_c,
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&aom_idct16x16_1_add_neon, TX_16X16, 1),
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make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_12_add_neon, TX_8X8, 12),
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make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_1_add_neon, TX_8X8, 1),
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make_tuple(&aom_fdct4x4_c, &aom_idct4x4_16_add_c,
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&aom_idct4x4_1_add_neon, TX_4X4, 1)));
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#endif // HAVE_NEON && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
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#if HAVE_SSE2 && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
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INSTANTIATE_TEST_CASE_P(
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SSE2, PartialIDctTest,
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::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
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&aom_idct32x32_34_add_sse2, TX_32X32, 34),
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make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
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&aom_idct32x32_1_add_sse2, TX_32X32, 1),
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make_tuple(&aom_fdct16x16_c, &aom_idct16x16_256_add_c,
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&aom_idct16x16_10_add_sse2, TX_16X16, 10),
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make_tuple(&aom_fdct16x16_c, &aom_idct16x16_256_add_c,
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&aom_idct16x16_1_add_sse2, TX_16X16, 1),
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make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_12_add_sse2, TX_8X8, 12),
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make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_1_add_sse2, TX_8X8, 1),
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make_tuple(&aom_fdct4x4_c, &aom_idct4x4_16_add_c,
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&aom_idct4x4_1_add_sse2, TX_4X4, 1)));
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#endif
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#if HAVE_SSSE3 && ARCH_X86_64 && !CONFIG_AOM_HIGHBITDEPTH && \
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!CONFIG_EMULATE_HARDWARE
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INSTANTIATE_TEST_CASE_P(
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SSSE3_64, PartialIDctTest,
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::testing::Values(make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_12_add_ssse3, TX_8X8, 12)));
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#endif
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#if HAVE_MSA && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
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INSTANTIATE_TEST_CASE_P(
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MSA, PartialIDctTest,
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::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
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&aom_idct32x32_34_add_msa, TX_32X32, 34),
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make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
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&aom_idct32x32_1_add_msa, TX_32X32, 1),
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make_tuple(&aom_fdct16x16_c, &aom_idct16x16_256_add_c,
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&aom_idct16x16_10_add_msa, TX_16X16, 10),
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make_tuple(&aom_fdct16x16_c, &aom_idct16x16_256_add_c,
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&aom_idct16x16_1_add_msa, TX_16X16, 1),
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make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_12_add_msa, TX_8X8, 10),
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make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
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&aom_idct8x8_1_add_msa, TX_8X8, 1),
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make_tuple(&aom_fdct4x4_c, &aom_idct4x4_16_add_c,
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&aom_idct4x4_1_add_msa, TX_4X4, 1)));
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#endif // HAVE_MSA && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
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} // namespace
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