Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 378 insertions, 0 deletions

diff --git a/third_party/aom/test/av1_inv_txfm2d_test.cc b/third_party/aom/test/av1_inv_txfm2d_test.cc
new file mode 100644
index 0000000000..11e231ba64
--- /dev/null
+++ b/third_party/aom/test/av1_inv_txfm2d_test.cc
@@ -0,0 +1,378 @@
+/*
+ * 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 "aom_ports/aom_timer.h"
+#include "av1/common/av1_inv_txfm1d_cfg.h"
+#include "av1/common/scan.h"
+#include "test/acm_random.h"
+#include "test/av1_txfm_test.h"
+#include "test/util.h"
+
+using libaom_test::ACMRandom;
+using libaom_test::InvTxfm2dFunc;
+using libaom_test::LbdInvTxfm2dFunc;
+using libaom_test::bd;
+using libaom_test::compute_avg_abs_error;
+using libaom_test::input_base;
+
+using ::testing::Combine;
+using ::testing::Range;
+using ::testing::Values;
+
+using std::vector;
+
+namespace {
+
+// AV1InvTxfm2dParam argument list:
+// tx_type_, tx_size_, max_error_, max_avg_error_
+typedef ::testing::tuple<TX_TYPE, TX_SIZE, int, double> AV1InvTxfm2dParam;
+
+class AV1InvTxfm2d : public ::testing::TestWithParam<AV1InvTxfm2dParam> {
+ 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);
+  }
+
+  void RunRoundtripCheck() {
+    int tx_w = tx_size_wide[tx_size_];
+    int tx_h = tx_size_high[tx_size_];
+    int txfm2d_size = tx_w * tx_h;
+    const FwdTxfm2dFunc fwd_txfm_func = libaom_test::fwd_txfm_func_ls[tx_size_];
+    const InvTxfm2dFunc inv_txfm_func = libaom_test::inv_txfm_func_ls[tx_size_];
+    double avg_abs_error = 0;
+    ACMRandom rnd(ACMRandom::DeterministicSeed());
+
+    const int count = 500;
+
+    for (int ci = 0; ci < count; ci++) {
+      DECLARE_ALIGNED(16, int16_t, input[64 * 64]) = { 0 };
+      ASSERT_LE(txfm2d_size, NELEMENTS(input));
+
+      for (int ni = 0; ni < txfm2d_size; ++ni) {
+        if (ci == 0) {
+          int extreme_input = input_base - 1;
+          input[ni] = extreme_input;  // extreme case
+        } else {
+          input[ni] = rnd.Rand16() % input_base;
+        }
+      }
+
+      DECLARE_ALIGNED(16, uint16_t, expected[64 * 64]) = { 0 };
+      ASSERT_LE(txfm2d_size, NELEMENTS(expected));
+      if (TxfmUsesApproximation()) {
+        // Compare reference forward HT + inverse HT vs forward HT + inverse HT.
+        double ref_input[64 * 64];
+        ASSERT_LE(txfm2d_size, NELEMENTS(ref_input));
+        for (int ni = 0; ni < txfm2d_size; ++ni) {
+          ref_input[ni] = input[ni];
+        }
+        double ref_coeffs[64 * 64] = { 0 };
+        ASSERT_LE(txfm2d_size, NELEMENTS(ref_coeffs));
+        ASSERT_EQ(tx_type_, DCT_DCT);
+        libaom_test::reference_hybrid_2d(ref_input, ref_coeffs, tx_type_,
+                                         tx_size_);
+        DECLARE_ALIGNED(16, int32_t, ref_coeffs_int[64 * 64]) = { 0 };
+        ASSERT_LE(txfm2d_size, NELEMENTS(ref_coeffs_int));
+        for (int ni = 0; ni < txfm2d_size; ++ni) {
+          ref_coeffs_int[ni] = (int32_t)round(ref_coeffs[ni]);
+        }
+        inv_txfm_func(ref_coeffs_int, expected, tx_w, tx_type_, bd);
+      } else {
+        // Compare original input vs forward HT + inverse HT.
+        for (int ni = 0; ni < txfm2d_size; ++ni) {
+          expected[ni] = input[ni];
+        }
+      }
+
+      DECLARE_ALIGNED(16, int32_t, coeffs[64 * 64]) = { 0 };
+      ASSERT_LE(txfm2d_size, NELEMENTS(coeffs));
+      fwd_txfm_func(input, coeffs, tx_w, tx_type_, bd);
+
+      DECLARE_ALIGNED(16, uint16_t, actual[64 * 64]) = { 0 };
+      ASSERT_LE(txfm2d_size, NELEMENTS(actual));
+      inv_txfm_func(coeffs, actual, tx_w, tx_type_, bd);
+
+      double actual_max_error = 0;
+      for (int ni = 0; ni < txfm2d_size; ++ni) {
+        const double this_error = abs(expected[ni] - actual[ni]);
+        actual_max_error = AOMMAX(actual_max_error, this_error);
+      }
+      EXPECT_GE(max_error_, actual_max_error)
+          << " tx_w: " << tx_w << " tx_h " << tx_h << " tx_type: " << tx_type_;
+      if (actual_max_error > max_error_) {  // exit early.
+        break;
+      }
+      avg_abs_error += compute_avg_abs_error<uint16_t, uint16_t>(
+          expected, actual, txfm2d_size);
+    }
+
+    avg_abs_error /= count;
+    EXPECT_GE(max_avg_error_, avg_abs_error)
+        << " tx_w: " << tx_w << " tx_h " << tx_h << " tx_type: " << tx_type_;
+  }
+
+ private:
+  bool TxfmUsesApproximation() {
+    if (tx_size_wide[tx_size_] == 64 || tx_size_high[tx_size_] == 64) {
+      return true;
+    }
+    return false;
+  }
+
+  int max_error_;
+  double max_avg_error_;
+  TX_TYPE tx_type_;
+  TX_SIZE tx_size_;
+};
+
+static int max_error_ls[TX_SIZES_ALL] = {
+  2,  // 4x4 transform
+  2,  // 8x8 transform
+  2,  // 16x16 transform
+  4,  // 32x32 transform
+  3,  // 64x64 transform
+  2,  // 4x8 transform
+  2,  // 8x4 transform
+  2,  // 8x16 transform
+  2,  // 16x8 transform
+  3,  // 16x32 transform
+  3,  // 32x16 transform
+  5,  // 32x64 transform
+  5,  // 64x32 transform
+  2,  // 4x16 transform
+  2,  // 16x4 transform
+  2,  // 8x32 transform
+  2,  // 32x8 transform
+  3,  // 16x64 transform
+  3,  // 64x16 transform
+};
+
+static double avg_error_ls[TX_SIZES_ALL] = {
+  0.002,  // 4x4 transform
+  0.05,   // 8x8 transform
+  0.07,   // 16x16 transform
+  0.4,    // 32x32 transform
+  0.3,    // 64x64 transform
+  0.02,   // 4x8 transform
+  0.02,   // 8x4 transform
+  0.04,   // 8x16 transform
+  0.07,   // 16x8 transform
+  0.4,    // 16x32 transform
+  0.5,    // 32x16 transform
+  0.38,   // 32x64 transform
+  0.39,   // 64x32 transform
+  0.2,    // 4x16 transform
+  0.2,    // 16x4 transform
+  0.2,    // 8x32 transform
+  0.2,    // 32x8 transform
+  0.38,   // 16x64 transform
+  0.38,   // 64x16 transform
+};
+
+vector<AV1InvTxfm2dParam> GetInvTxfm2dParamList() {
+  vector<AV1InvTxfm2dParam> param_list;
+  for (int s = 0; s < TX_SIZES; ++s) {
+    const int 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(
+            AV1InvTxfm2dParam(tx_type, tx_size, max_error, avg_error));
+      }
+    }
+  }
+  return param_list;
+}
+
+INSTANTIATE_TEST_CASE_P(C, AV1InvTxfm2d,
+                        ::testing::ValuesIn(GetInvTxfm2dParamList()));
+
+TEST_P(AV1InvTxfm2d, RunRoundtripCheck) { RunRoundtripCheck(); }
+
+TEST(AV1InvTxfm2d, 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_inv_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_inv_stage_range(stage_range_col, stage_range_row, &cfg,
+                                (TX_SIZE)tx_size, 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 ::testing::tuple<const LbdInvTxfm2dFunc> AV1LbdInvTxfm2dParam;
+class AV1LbdInvTxfm2d : public ::testing::TestWithParam<AV1LbdInvTxfm2dParam> {
+ public:
+  virtual void SetUp() { target_func_ = GET_PARAM(0); }
+  void RunAV1InvTxfm2dTest(TX_TYPE tx_type, TX_SIZE tx_size, int run_times);
+
+ private:
+  LbdInvTxfm2dFunc target_func_;
+};
+
+void AV1LbdInvTxfm2d::RunAV1InvTxfm2dTest(TX_TYPE tx_type, TX_SIZE tx_size,
+                                          int run_times) {
+  FwdTxfm2dFunc fwd_func_ = libaom_test::fwd_txfm_func_ls[tx_size];
+  InvTxfm2dFunc ref_func_ = libaom_test::inv_txfm_func_ls[tx_size];
+  if (fwd_func_ == NULL || ref_func_ == NULL || target_func_ == NULL) {
+    return;
+  }
+  const int bd = 8;
+  const int BLK_WIDTH = 64;
+  const int BLK_SIZE = BLK_WIDTH * BLK_WIDTH;
+  DECLARE_ALIGNED(16, int16_t, input[BLK_SIZE]) = { 0 };
+  DECLARE_ALIGNED(32, int32_t, inv_input[BLK_SIZE]) = { 0 };
+  DECLARE_ALIGNED(16, uint8_t, output[BLK_SIZE]) = { 0 };
+  DECLARE_ALIGNED(16, uint16_t, ref_output[BLK_SIZE]) = { 0 };
+  int stride = BLK_WIDTH;
+  int rows = tx_size_high[tx_size];
+  int cols = tx_size_wide[tx_size];
+  const int rows_nonezero = AOMMIN(32, rows);
+  const int cols_nonezero = AOMMIN(32, cols);
+  run_times /= (rows * cols);
+  run_times = AOMMAX(1, run_times);
+  const SCAN_ORDER *scan_order = get_default_scan(tx_size, tx_type);
+  const int16_t *scan = scan_order->scan;
+  const int16_t eobmax = rows_nonezero * cols_nonezero;
+  ACMRandom rnd(ACMRandom::DeterministicSeed());
+  int randTimes = run_times == 1 ? (eobmax + 500) : 1;
+  for (int cnt = 0; cnt < randTimes; ++cnt) {
+    const int16_t max_in = (1 << (bd)) - 1;
+    for (int r = 0; r < BLK_WIDTH; ++r) {
+      for (int c = 0; c < BLK_WIDTH; ++c) {
+        input[r * cols + c] = (cnt == 0) ? max_in : rnd.Rand8Extremes();
+        output[r * stride + c] = (cnt == 0) ? 128 : rnd.Rand8();
+        ref_output[r * stride + c] = output[r * stride + c];
+      }
+    }
+    fwd_func_(input, inv_input, stride, tx_type, bd);
+
+    // produce eob input by setting high freq coeffs to zero
+    const int eob = AOMMIN(cnt + 1, eobmax);
+    for (int i = eob; i < eobmax; i++) {
+      inv_input[scan[i]] = 0;
+    }
+
+    aom_usec_timer timer;
+    aom_usec_timer_start(&timer);
+    for (int i = 0; i < run_times; ++i) {
+      ref_func_(inv_input, ref_output, stride, tx_type, bd);
+    }
+    aom_usec_timer_mark(&timer);
+    const double time1 = static_cast<double>(aom_usec_timer_elapsed(&timer));
+    aom_usec_timer_start(&timer);
+    for (int i = 0; i < run_times; ++i) {
+      target_func_(inv_input, output, stride, tx_type, tx_size, eob);
+    }
+    aom_usec_timer_mark(&timer);
+    const double time2 = static_cast<double>(aom_usec_timer_elapsed(&timer));
+    if (run_times > 10) {
+      printf("txfm[%d] %3dx%-3d:%7.2f/%7.2fns", tx_type, cols, rows, time1,
+             time2);
+      printf("(%3.2f)\n", time1 / time2);
+    }
+    for (int r = 0; r < rows; ++r) {
+      for (int c = 0; c < cols; ++c) {
+        uint8_t ref_value = static_cast<uint8_t>(ref_output[r * stride + c]);
+        ASSERT_EQ(ref_value, output[r * stride + c])
+            << "[" << r << "," << c << "] " << cnt
+            << " tx_size: " << static_cast<int>(tx_size)
+            << " tx_type: " << tx_type << " eob " << eob;
+      }
+    }
+  }
+}
+
+TEST_P(AV1LbdInvTxfm2d, match) {
+  for (int j = 0; j < (int)(TX_SIZES_ALL); ++j) {
+    for (int i = 0; i < (int)TX_TYPES; ++i) {
+      if (libaom_test::IsTxSizeTypeValid(static_cast<TX_SIZE>(j),
+                                         static_cast<TX_TYPE>(i))) {
+        RunAV1InvTxfm2dTest(static_cast<TX_TYPE>(i), static_cast<TX_SIZE>(j),
+                            1);
+      }
+    }
+  }
+}
+
+TEST_P(AV1LbdInvTxfm2d, DISABLED_Speed) {
+  for (int j = 0; j < (int)(TX_SIZES_ALL); ++j) {
+    for (int i = 0; i < (int)TX_TYPES; ++i) {
+      if (libaom_test::IsTxSizeTypeValid(static_cast<TX_SIZE>(j),
+                                         static_cast<TX_TYPE>(i))) {
+        RunAV1InvTxfm2dTest(static_cast<TX_TYPE>(i), static_cast<TX_SIZE>(j),
+                            10000000);
+      }
+    }
+  }
+}
+
+#if HAVE_SSSE3
+#if defined(_MSC_VER) || defined(__SSSE3__)
+#include "av1/common/x86/av1_inv_txfm_ssse3.h"
+INSTANTIATE_TEST_CASE_P(SSSE3, AV1LbdInvTxfm2d,
+                        ::testing::Values(av1_lowbd_inv_txfm2d_add_ssse3));
+#endif  // _MSC_VER || __SSSE3__
+#endif  // HAVE_SSSE3
+
+#if HAVE_AVX2
+extern "C" void av1_lowbd_inv_txfm2d_add_avx2(const int32_t *input,
+                                              uint8_t *output, int stride,
+                                              TX_TYPE tx_type, TX_SIZE tx_size,
+                                              int eob);
+
+INSTANTIATE_TEST_CASE_P(AVX2, AV1LbdInvTxfm2d,
+                        ::testing::Values(av1_lowbd_inv_txfm2d_add_avx2));
+#endif  // HAVE_AVX2
+
+#if HAVE_NEON
+
+extern "C" void av1_lowbd_inv_txfm2d_add_neon(const int32_t *input,
+                                              uint8_t *output, int stride,
+                                              TX_TYPE tx_type, TX_SIZE tx_size,
+                                              int eob);
+
+INSTANTIATE_TEST_CASE_P(NEON, AV1LbdInvTxfm2d,
+                        ::testing::Values(av1_lowbd_inv_txfm2d_add_neon));
+#endif  // HAVE_NEON
+
+}  // namespace