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Diffstat (limited to 'media/libaom/src/test/av1_fwd_txfm2d_test.cc')
| -rw-r--r-- | media/libaom/src/test/av1_fwd_txfm2d_test.cc | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/media/libaom/src/test/av1_fwd_txfm2d_test.cc b/media/libaom/src/test/av1_fwd_txfm2d_test.cc new file mode 100644 index 000000000..75f20536b --- /dev/null +++ b/media/libaom/src/test/av1_fwd_txfm2d_test.cc @@ -0,0 +1,511 @@ +/* + * 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 <stdio.h> +#include <stdlib.h> +#include <vector> + +#include "config/av1_rtcd.h" + +#include "test/acm_random.h" +#include "test/util.h" +#include "test/av1_txfm_test.h" +#include "av1/common/av1_txfm.h" +#include "av1/encoder/hybrid_fwd_txfm.h" + +using libaom_test::ACMRandom; +using libaom_test::TYPE_TXFM; +using libaom_test::bd; +using libaom_test::compute_avg_abs_error; +using libaom_test::input_base; + +using std::vector; + +namespace { +// tx_type_, tx_size_, max_error_, max_avg_error_ +typedef ::testing::tuple<TX_TYPE, TX_SIZE, double, double> AV1FwdTxfm2dParam; + +class AV1FwdTxfm2d : public ::testing::TestWithParam<AV1FwdTxfm2dParam> { + public: + virtual void SetUp() { + tx_type_ = GET_PARAM(0); + tx_size_ = GET_PARAM(1); + max_error_ = GET_PARAM(2); + max_avg_error_ = GET_PARAM(3); + count_ = 500; + TXFM_2D_FLIP_CFG fwd_txfm_flip_cfg; + av1_get_fwd_txfm_cfg(tx_type_, tx_size_, &fwd_txfm_flip_cfg); + amplify_factor_ = libaom_test::get_amplification_factor(tx_type_, tx_size_); + tx_width_ = tx_size_wide[fwd_txfm_flip_cfg.tx_size]; + tx_height_ = tx_size_high[fwd_txfm_flip_cfg.tx_size]; + ud_flip_ = fwd_txfm_flip_cfg.ud_flip; + lr_flip_ = fwd_txfm_flip_cfg.lr_flip; + + fwd_txfm_ = libaom_test::fwd_txfm_func_ls[tx_size_]; + txfm2d_size_ = tx_width_ * tx_height_; + input_ = reinterpret_cast<int16_t *>( + aom_memalign(16, sizeof(input_[0]) * txfm2d_size_)); + output_ = reinterpret_cast<int32_t *>( + aom_memalign(16, sizeof(output_[0]) * txfm2d_size_)); + ref_input_ = reinterpret_cast<double *>( + aom_memalign(16, sizeof(ref_input_[0]) * txfm2d_size_)); + ref_output_ = reinterpret_cast<double *>( + aom_memalign(16, sizeof(ref_output_[0]) * txfm2d_size_)); + } + + void RunFwdAccuracyCheck() { + ACMRandom rnd(ACMRandom::DeterministicSeed()); + double avg_abs_error = 0; + for (int ci = 0; ci < count_; ci++) { + for (int ni = 0; ni < txfm2d_size_; ++ni) { + input_[ni] = rnd.Rand16() % input_base; + ref_input_[ni] = static_cast<double>(input_[ni]); + output_[ni] = 0; + ref_output_[ni] = 0; + } + + fwd_txfm_(input_, output_, tx_width_, tx_type_, bd); + + if (lr_flip_ && ud_flip_) { + libaom_test::fliplrud(ref_input_, tx_width_, tx_height_, tx_width_); + } else if (lr_flip_) { + libaom_test::fliplr(ref_input_, tx_width_, tx_height_, tx_width_); + } else if (ud_flip_) { + libaom_test::flipud(ref_input_, tx_width_, tx_height_, tx_width_); + } + + libaom_test::reference_hybrid_2d(ref_input_, ref_output_, tx_type_, + tx_size_); + + double actual_max_error = 0; + for (int ni = 0; ni < txfm2d_size_; ++ni) { + ref_output_[ni] = round(ref_output_[ni]); + const double this_error = + fabs(output_[ni] - ref_output_[ni]) / amplify_factor_; + actual_max_error = AOMMAX(actual_max_error, this_error); + } + EXPECT_GE(max_error_, actual_max_error) + << "tx_size = " << tx_size_ << ", tx_type = " << tx_type_; + if (actual_max_error > max_error_) { // exit early. + break; + } + + avg_abs_error += compute_avg_abs_error<int32_t, double>( + output_, ref_output_, txfm2d_size_); + } + + avg_abs_error /= amplify_factor_; + avg_abs_error /= count_; + EXPECT_GE(max_avg_error_, avg_abs_error) + << "tx_size = " << tx_size_ << ", tx_type = " << tx_type_; + } + + virtual void TearDown() { + aom_free(input_); + aom_free(output_); + aom_free(ref_input_); + aom_free(ref_output_); + } + + private: + double max_error_; + double max_avg_error_; + int count_; + double amplify_factor_; + TX_TYPE tx_type_; + TX_SIZE tx_size_; + int tx_width_; + int tx_height_; + int txfm2d_size_; + FwdTxfm2dFunc fwd_txfm_; + int16_t *input_; + int32_t *output_; + double *ref_input_; + double *ref_output_; + int ud_flip_; // flip upside down + int lr_flip_; // flip left to right +}; + +static double avg_error_ls[TX_SIZES_ALL] = { + 0.5, // 4x4 transform + 0.5, // 8x8 transform + 1.2, // 16x16 transform + 6.1, // 32x32 transform + 3.4, // 64x64 transform + 0.57, // 4x8 transform + 0.68, // 8x4 transform + 0.92, // 8x16 transform + 1.1, // 16x8 transform + 4.1, // 16x32 transform + 6, // 32x16 transform + 3.5, // 32x64 transform + 5.7, // 64x32 transform + 0.6, // 4x16 transform + 0.9, // 16x4 transform + 1.2, // 8x32 transform + 1.7, // 32x8 transform + 2.0, // 16x64 transform + 4.7, // 64x16 transform +}; + +static double max_error_ls[TX_SIZES_ALL] = { + 3, // 4x4 transform + 5, // 8x8 transform + 11, // 16x16 transform + 70, // 32x32 transform + 64, // 64x64 transform + 3.9, // 4x8 transform + 4.3, // 8x4 transform + 12, // 8x16 transform + 12, // 16x8 transform + 32, // 16x32 transform + 46, // 32x16 transform + 136, // 32x64 transform + 136, // 64x32 transform + 5, // 4x16 transform + 6, // 16x4 transform + 21, // 8x32 transform + 13, // 32x8 transform + 30, // 16x64 transform + 36, // 64x16 transform +}; + +vector<AV1FwdTxfm2dParam> GetTxfm2dParamList() { + vector<AV1FwdTxfm2dParam> param_list; + for (int s = 0; s < TX_SIZES; ++s) { + const double max_error = max_error_ls[s]; + const double avg_error = avg_error_ls[s]; + for (int t = 0; t < TX_TYPES; ++t) { + const TX_TYPE tx_type = static_cast<TX_TYPE>(t); + const TX_SIZE tx_size = static_cast<TX_SIZE>(s); + if (libaom_test::IsTxSizeTypeValid(tx_size, tx_type)) { + param_list.push_back( + AV1FwdTxfm2dParam(tx_type, tx_size, max_error, avg_error)); + } + } + } + return param_list; +} + +INSTANTIATE_TEST_CASE_P(C, AV1FwdTxfm2d, + ::testing::ValuesIn(GetTxfm2dParamList())); + +TEST_P(AV1FwdTxfm2d, RunFwdAccuracyCheck) { RunFwdAccuracyCheck(); } + +TEST(AV1FwdTxfm2d, CfgTest) { + for (int bd_idx = 0; bd_idx < BD_NUM; ++bd_idx) { + int bd = libaom_test::bd_arr[bd_idx]; + int8_t low_range = libaom_test::low_range_arr[bd_idx]; + int8_t high_range = libaom_test::high_range_arr[bd_idx]; + for (int tx_size = 0; tx_size < TX_SIZES_ALL; ++tx_size) { + for (int tx_type = 0; tx_type < TX_TYPES; ++tx_type) { + if (libaom_test::IsTxSizeTypeValid(static_cast<TX_SIZE>(tx_size), + static_cast<TX_TYPE>(tx_type)) == + false) { + continue; + } + TXFM_2D_FLIP_CFG cfg; + av1_get_fwd_txfm_cfg(static_cast<TX_TYPE>(tx_type), + static_cast<TX_SIZE>(tx_size), &cfg); + int8_t stage_range_col[MAX_TXFM_STAGE_NUM]; + int8_t stage_range_row[MAX_TXFM_STAGE_NUM]; + av1_gen_fwd_stage_range(stage_range_col, stage_range_row, &cfg, bd); + libaom_test::txfm_stage_range_check(stage_range_col, cfg.stage_num_col, + cfg.cos_bit_col, low_range, + high_range); + libaom_test::txfm_stage_range_check(stage_range_row, cfg.stage_num_row, + cfg.cos_bit_row, low_range, + high_range); + } + } + } +} + +typedef void (*lowbd_fwd_txfm_func)(const int16_t *src_diff, tran_low_t *coeff, + int diff_stride, TxfmParam *txfm_param); + +void AV1FwdTxfm2dMatchTest(TX_SIZE tx_size, lowbd_fwd_txfm_func target_func) { + const int bd = 8; + TxfmParam param; + memset(¶m, 0, sizeof(param)); + const int rows = tx_size_high[tx_size]; + const int cols = tx_size_wide[tx_size]; + // printf("%d x %d\n", cols, rows); + for (int tx_type = 0; tx_type < TX_TYPES; ++tx_type) { + if (libaom_test::IsTxSizeTypeValid( + tx_size, static_cast<TX_TYPE>(tx_type)) == false) { + continue; + } + + FwdTxfm2dFunc ref_func = libaom_test::fwd_txfm_func_ls[tx_size]; + if (ref_func != NULL) { + DECLARE_ALIGNED(32, int16_t, input[64 * 64]) = { 0 }; + DECLARE_ALIGNED(32, int32_t, output[64 * 64]); + DECLARE_ALIGNED(32, int32_t, ref_output[64 * 64]); + int input_stride = 64; + ACMRandom rnd(ACMRandom::DeterministicSeed()); + for (int cnt = 0; cnt < 500; ++cnt) { + if (cnt == 0) { + for (int r = 0; r < rows; ++r) { + for (int c = 0; c < cols; ++c) { + input[r * input_stride + c] = (1 << bd) - 1; + } + } + } else { + for (int r = 0; r < rows; ++r) { + for (int c = 0; c < cols; ++c) { + input[r * input_stride + c] = rnd.Rand16() % (1 << bd); + } + } + } + param.tx_type = (TX_TYPE)tx_type; + param.tx_size = (TX_SIZE)tx_size; + param.tx_set_type = EXT_TX_SET_ALL16; + param.bd = bd; + ref_func(input, ref_output, input_stride, (TX_TYPE)tx_type, bd); + target_func(input, output, input_stride, ¶m); + const int check_rows = AOMMIN(32, rows); + const int check_cols = AOMMIN(32, rows * cols / check_rows); + for (int r = 0; r < check_rows; ++r) { + for (int c = 0; c < check_cols; ++c) { + ASSERT_EQ(ref_output[r * check_cols + c], + output[r * check_cols + c]) + << "[" << r << "," << c << "] cnt:" << cnt + << " tx_size: " << tx_size << " tx_type: " << tx_type; + } + } + } + } + } +} + +typedef ::testing::tuple<TX_SIZE, lowbd_fwd_txfm_func> LbdFwdTxfm2dParam; + +class AV1FwdTxfm2dTest : public ::testing::TestWithParam<LbdFwdTxfm2dParam> {}; + +TEST_P(AV1FwdTxfm2dTest, match) { + AV1FwdTxfm2dMatchTest(GET_PARAM(0), GET_PARAM(1)); +} + +using ::testing::Combine; +using ::testing::Values; +using ::testing::ValuesIn; + +#if HAVE_SSE2 +static TX_SIZE fwd_txfm_for_sse2[] = { + TX_4X4, + TX_8X8, + TX_16X16, + TX_32X32, + // TX_64X64, + TX_4X8, + TX_8X4, + TX_8X16, + TX_16X8, + TX_16X32, + TX_32X16, + // TX_32X64, + // TX_64X32, + TX_4X16, + TX_16X4, + TX_8X32, + TX_32X8, + TX_16X64, + TX_64X16, +}; + +INSTANTIATE_TEST_CASE_P(SSE2, AV1FwdTxfm2dTest, + Combine(ValuesIn(fwd_txfm_for_sse2), + Values(av1_lowbd_fwd_txfm_sse2))); +#endif // HAVE_SSE2 + +#if HAVE_SSE4_1 +static TX_SIZE fwd_txfm_for_sse41[] = { + TX_4X4, + TX_64X64, + TX_32X64, + TX_64X32, +}; + +INSTANTIATE_TEST_CASE_P(SSE4_1, AV1FwdTxfm2dTest, + Combine(ValuesIn(fwd_txfm_for_sse41), + Values(av1_lowbd_fwd_txfm_sse4_1))); +#endif // HAVE_SSE4_1 + +#if HAVE_AVX2 +static TX_SIZE fwd_txfm_for_avx2[] = { + TX_4X4, TX_8X8, TX_16X16, TX_32X32, TX_64X64, TX_4X8, TX_8X4, + TX_8X16, TX_16X8, TX_16X32, TX_32X16, TX_32X64, TX_64X32, TX_4X16, + TX_16X4, TX_8X32, TX_32X8, TX_16X64, TX_64X16, +}; + +INSTANTIATE_TEST_CASE_P(AVX2, AV1FwdTxfm2dTest, + Combine(ValuesIn(fwd_txfm_for_avx2), + Values(av1_lowbd_fwd_txfm_avx2))); +#endif // HAVE_AVX2 + +typedef void (*Highbd_fwd_txfm_func)(const int16_t *src_diff, tran_low_t *coeff, + int diff_stride, TxfmParam *txfm_param); + +void AV1HighbdFwdTxfm2dMatchTest(TX_SIZE tx_size, + Highbd_fwd_txfm_func target_func) { + const int bd_ar[2] = { 10, 12 }; + TxfmParam param; + memset(¶m, 0, sizeof(param)); + const int rows = tx_size_high[tx_size]; + const int cols = tx_size_wide[tx_size]; + for (int i = 0; i < 2; ++i) { + const int bd = bd_ar[i]; + for (int tx_type = 0; tx_type < TX_TYPES; ++tx_type) { + if (libaom_test::IsTxSizeTypeValid( + tx_size, static_cast<TX_TYPE>(tx_type)) == false) { + continue; + } + + FwdTxfm2dFunc ref_func = libaom_test::fwd_txfm_func_ls[tx_size]; + if (ref_func != NULL) { + DECLARE_ALIGNED(32, int16_t, input[64 * 64]) = { 0 }; + DECLARE_ALIGNED(32, int32_t, output[64 * 64]); + DECLARE_ALIGNED(32, int32_t, ref_output[64 * 64]); + int input_stride = 64; + ACMRandom rnd(ACMRandom::DeterministicSeed()); + for (int cnt = 0; cnt < 500; ++cnt) { + if (cnt == 0) { + for (int r = 0; r < rows; ++r) { + for (int c = 0; c < cols; ++c) { + input[r * input_stride + c] = (1 << bd) - 1; + } + } + } else { + for (int r = 0; r < rows; ++r) { + for (int c = 0; c < cols; ++c) { + input[r * input_stride + c] = rnd.Rand16() % (1 << bd); + } + } + } + param.tx_type = (TX_TYPE)tx_type; + param.tx_size = (TX_SIZE)tx_size; + param.tx_set_type = EXT_TX_SET_ALL16; + param.bd = bd; + + ref_func(input, ref_output, input_stride, (TX_TYPE)tx_type, bd); + target_func(input, output, input_stride, ¶m); + const int check_rows = AOMMIN(32, rows); + const int check_cols = AOMMIN(32, rows * cols / check_rows); + for (int r = 0; r < check_rows; ++r) { + for (int c = 0; c < check_cols; ++c) { + ASSERT_EQ(ref_output[r * check_cols + c], + output[r * check_cols + c]) + << "[" << r << "," << c << "] cnt:" << cnt + << " tx_size: " << tx_size << " tx_type: " << tx_type; + } + } + } + } + } + } +} + +void AV1HighbdFwdTxfm2dSpeedTest(TX_SIZE tx_size, + Highbd_fwd_txfm_func target_func) { + const int bd_ar[2] = { 10, 12 }; + TxfmParam param; + memset(¶m, 0, sizeof(param)); + const int rows = tx_size_high[tx_size]; + const int cols = tx_size_wide[tx_size]; + const int num_loops = 1000000 / (rows * cols); + + for (int i = 0; i < 2; ++i) { + const int bd = bd_ar[i]; + for (int tx_type = 0; tx_type < TX_TYPES; ++tx_type) { + if (libaom_test::IsTxSizeTypeValid( + tx_size, static_cast<TX_TYPE>(tx_type)) == false) { + continue; + } + + FwdTxfm2dFunc ref_func = libaom_test::fwd_txfm_func_ls[tx_size]; + if (ref_func != NULL) { + DECLARE_ALIGNED(32, int16_t, input[64 * 64]) = { 0 }; + DECLARE_ALIGNED(32, int32_t, output[64 * 64]); + DECLARE_ALIGNED(32, int32_t, ref_output[64 * 64]); + int input_stride = 64; + ACMRandom rnd(ACMRandom::DeterministicSeed()); + + for (int r = 0; r < rows; ++r) { + for (int c = 0; c < cols; ++c) { + input[r * input_stride + c] = rnd.Rand16() % (1 << bd); + } + } + + param.tx_type = (TX_TYPE)tx_type; + param.tx_size = (TX_SIZE)tx_size; + param.tx_set_type = EXT_TX_SET_ALL16; + param.bd = bd; + + aom_usec_timer ref_timer, test_timer; + + aom_usec_timer_start(&ref_timer); + for (int i = 0; i < num_loops; ++i) { + ref_func(input, ref_output, input_stride, (TX_TYPE)tx_type, bd); + } + aom_usec_timer_mark(&ref_timer); + const int elapsed_time_c = + static_cast<int>(aom_usec_timer_elapsed(&ref_timer)); + + aom_usec_timer_start(&test_timer); + for (int i = 0; i < num_loops; ++i) { + target_func(input, output, input_stride, ¶m); + } + aom_usec_timer_mark(&test_timer); + const int elapsed_time_simd = + static_cast<int>(aom_usec_timer_elapsed(&test_timer)); + + printf( + "txfm_size[%d] \t txfm_type[%d] \t c_time=%d \t simd_time=%d \t " + "gain=%d \n", + tx_size, tx_type, elapsed_time_c, elapsed_time_simd, + (elapsed_time_c / elapsed_time_simd)); + } + } + } +} + +typedef ::testing::tuple<TX_SIZE, Highbd_fwd_txfm_func> HighbdFwdTxfm2dParam; + +class AV1HighbdFwdTxfm2dTest + : public ::testing::TestWithParam<HighbdFwdTxfm2dParam> {}; + +TEST_P(AV1HighbdFwdTxfm2dTest, match) { + AV1HighbdFwdTxfm2dMatchTest(GET_PARAM(0), GET_PARAM(1)); +} + +TEST_P(AV1HighbdFwdTxfm2dTest, DISABLED_Speed) { + AV1HighbdFwdTxfm2dSpeedTest(GET_PARAM(0), GET_PARAM(1)); +} + +using ::testing::Combine; +using ::testing::Values; +using ::testing::ValuesIn; + +#if HAVE_SSE4_1 +static TX_SIZE Highbd_fwd_txfm_for_sse4_1[] = { + TX_4X4, TX_8X8, TX_16X16, TX_32X32, TX_64X64, TX_4X8, TX_8X4, + TX_8X16, TX_16X8, TX_16X32, TX_32X16, TX_32X64, TX_64X32, TX_4X16, + TX_16X4, TX_8X32, TX_32X8, TX_16X64, TX_64X16, +}; + +INSTANTIATE_TEST_CASE_P(SSE4_1, AV1HighbdFwdTxfm2dTest, + Combine(ValuesIn(Highbd_fwd_txfm_for_sse4_1), + Values(av1_highbd_fwd_txfm))); +#endif // HAVE_SSE4_1 + +} // namespace |