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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <tuple>
#include "aom_dsp/aom_dsp_common.h"
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
#include "config/av1_rtcd.h"
#include "config/aom_dsp_rtcd.h"
#include "test/acm_random.h"
#include "test/register_state_check.h"
#include "test/transform_test_base.h"
#include "test/util.h"
#include "av1/common/entropy.h"
#include "aom/aom_codec.h"
#include "aom/aom_integer.h"
#include "aom_ports/mem.h"
using libaom_test::ACMRandom;
namespace {
typedef void (*FdctFunc)(const int16_t *in, tran_low_t *out, int stride);
typedef void (*IdctFunc)(const tran_low_t *in, uint8_t *out, int stride);
using libaom_test::FhtFunc;
typedef std::tuple<FdctFunc, IdctFunc, TX_TYPE, aom_bit_depth_t, int, FdctFunc>
Dct4x4Param;
void fwht4x4_ref(const int16_t *in, tran_low_t *out, int stride,
TxfmParam * /*txfm_param*/) {
av1_fwht4x4_c(in, out, stride);
}
void iwht4x4_10_c(const tran_low_t *in, uint8_t *out, int stride) {
av1_highbd_iwht4x4_16_add_c(in, out, stride, 10);
}
void iwht4x4_12_c(const tran_low_t *in, uint8_t *out, int stride) {
av1_highbd_iwht4x4_16_add_c(in, out, stride, 12);
}
#if HAVE_SSE4_1
void iwht4x4_10_sse4_1(const tran_low_t *in, uint8_t *out, int stride) {
av1_highbd_iwht4x4_16_add_sse4_1(in, out, stride, 10);
}
void iwht4x4_12_sse4_1(const tran_low_t *in, uint8_t *out, int stride) {
av1_highbd_iwht4x4_16_add_sse4_1(in, out, stride, 12);
}
#endif
class Trans4x4WHT : public libaom_test::TransformTestBase<tran_low_t>,
public ::testing::TestWithParam<Dct4x4Param> {
public:
~Trans4x4WHT() override = default;
void SetUp() override {
fwd_txfm_ = GET_PARAM(0);
inv_txfm_ = GET_PARAM(1);
pitch_ = 4;
height_ = 4;
fwd_txfm_ref = fwht4x4_ref;
bit_depth_ = GET_PARAM(3);
mask_ = (1 << bit_depth_) - 1;
num_coeffs_ = GET_PARAM(4);
fwd_txfm_c_ = GET_PARAM(5);
}
protected:
void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) override {
fwd_txfm_(in, out, stride);
}
void RunInvTxfm(const tran_low_t *out, uint8_t *dst, int stride) override {
inv_txfm_(out, dst, stride);
}
void RunSpeedTest() {
if (!fwd_txfm_c_) {
GTEST_SKIP();
} else {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int count_test_block = 10;
const int numIter = 5000;
int c_sum_time = 0;
int simd_sum_time = 0;
int stride = 96;
int16_t *input_block = reinterpret_cast<int16_t *>(
aom_memalign(16, sizeof(int16_t) * stride * height_));
ASSERT_NE(input_block, nullptr);
tran_low_t *output_ref_block = reinterpret_cast<tran_low_t *>(
aom_memalign(16, sizeof(output_ref_block[0]) * num_coeffs_));
ASSERT_NE(output_ref_block, nullptr);
tran_low_t *output_block = reinterpret_cast<tran_low_t *>(
aom_memalign(16, sizeof(output_block[0]) * num_coeffs_));
ASSERT_NE(output_block, nullptr);
for (int i = 0; i < count_test_block; ++i) {
for (int j = 0; j < height_; ++j) {
for (int k = 0; k < pitch_; ++k) {
int in_idx = j * stride + k;
int out_idx = j * pitch_ + k;
input_block[in_idx] =
(rnd.Rand16() & mask_) - (rnd.Rand16() & mask_);
if (bit_depth_ == AOM_BITS_8) {
output_block[out_idx] = output_ref_block[out_idx] = rnd.Rand8();
} else {
output_block[out_idx] = output_ref_block[out_idx] =
rnd.Rand16() & mask_;
}
}
}
aom_usec_timer c_timer_;
aom_usec_timer_start(&c_timer_);
for (int iter = 0; iter < numIter; iter++) {
API_REGISTER_STATE_CHECK(
fwd_txfm_c_(input_block, output_ref_block, stride));
}
aom_usec_timer_mark(&c_timer_);
aom_usec_timer simd_timer_;
aom_usec_timer_start(&simd_timer_);
for (int iter = 0; iter < numIter; iter++) {
API_REGISTER_STATE_CHECK(
fwd_txfm_(input_block, output_block, stride));
}
aom_usec_timer_mark(&simd_timer_);
c_sum_time += static_cast<int>(aom_usec_timer_elapsed(&c_timer_));
simd_sum_time += static_cast<int>(aom_usec_timer_elapsed(&simd_timer_));
// The minimum quant value is 4.
for (int j = 0; j < height_; ++j) {
for (int k = 0; k < pitch_; ++k) {
int out_idx = j * pitch_ + k;
ASSERT_EQ(output_block[out_idx], output_ref_block[out_idx])
<< "Error: not bit-exact result at index: " << out_idx
<< " at test block: " << i;
}
}
}
printf(
"c_time = %d \t simd_time = %d \t Gain = %4.2f \n", c_sum_time,
simd_sum_time,
(static_cast<float>(c_sum_time) / static_cast<float>(simd_sum_time)));
aom_free(input_block);
aom_free(output_ref_block);
aom_free(output_block);
}
}
FdctFunc fwd_txfm_;
IdctFunc inv_txfm_;
FdctFunc fwd_txfm_c_; // C version of forward transform for speed test.
};
TEST_P(Trans4x4WHT, AccuracyCheck) { RunAccuracyCheck(0, 0.00001); }
TEST_P(Trans4x4WHT, CoeffCheck) { RunCoeffCheck(); }
TEST_P(Trans4x4WHT, MemCheck) { RunMemCheck(); }
TEST_P(Trans4x4WHT, InvAccuracyCheck) { RunInvAccuracyCheck(0); }
TEST_P(Trans4x4WHT, DISABLED_Speed) { RunSpeedTest(); }
using std::make_tuple;
INSTANTIATE_TEST_SUITE_P(
C, Trans4x4WHT,
::testing::Values(make_tuple(&av1_fwht4x4_c, &iwht4x4_10_c, DCT_DCT,
AOM_BITS_10, 16,
static_cast<FdctFunc>(nullptr)),
make_tuple(&av1_fwht4x4_c, &iwht4x4_12_c, DCT_DCT,
AOM_BITS_12, 16,
static_cast<FdctFunc>(nullptr))));
#if HAVE_SSE4_1
INSTANTIATE_TEST_SUITE_P(
SSE4_1, Trans4x4WHT,
::testing::Values(make_tuple(&av1_fwht4x4_sse4_1, &iwht4x4_10_sse4_1,
DCT_DCT, AOM_BITS_10, 16,
static_cast<FdctFunc>(nullptr)),
make_tuple(&av1_fwht4x4_sse4_1, &iwht4x4_12_sse4_1,
DCT_DCT, AOM_BITS_12, 16,
static_cast<FdctFunc>(nullptr))));
#endif // HAVE_SSE4_1
#if HAVE_NEON
INSTANTIATE_TEST_SUITE_P(
NEON, Trans4x4WHT,
::testing::Values(make_tuple(&av1_fwht4x4_neon, &iwht4x4_10_c, DCT_DCT,
AOM_BITS_10, 16, &av1_fwht4x4_c),
make_tuple(&av1_fwht4x4_neon, &iwht4x4_12_c, DCT_DCT,
AOM_BITS_12, 16, &av1_fwht4x4_c)));
#endif // HAVE_NEON
} // namespace
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