Update libaom to commit ID 1e227d41f0616de9548a673a83a21ef990b62591

1 files changed, 280 insertions, 0 deletions

diff --git a/third_party/aom/test/wiener_test.cc b/third_party/aom/test/wiener_test.cc
new file mode 100644
index 000000000..dfec09119
--- /dev/null
+++ b/third_party/aom/test/wiener_test.cc
@@ -0,0 +1,280 @@
+/*
+ * Copyright (c) 2018, 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 <vector>
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "test/function_equivalence_test.h"
+#include "test/register_state_check.h"
+
+#include "config/aom_config.h"
+#include "config/aom_dsp_rtcd.h"
+
+#include "aom/aom_integer.h"
+#include "av1/encoder/pickrst.h"
+
+#define MAX_WIENER_BLOCK 384
+#define MAX_DATA_BLOCK (MAX_WIENER_BLOCK + WIENER_WIN)
+using libaom_test::FunctionEquivalenceTest;
+
+namespace {
+
+static void compute_stats_win_opt_c(int wiener_win, const uint8_t *dgd,
+                                    const uint8_t *src, int h_start, int h_end,
+                                    int v_start, int v_end, int dgd_stride,
+                                    int src_stride, double *M, double *H) {
+  ASSERT_TRUE(wiener_win == WIENER_WIN || wiener_win == WIENER_WIN_CHROMA);
+  int i, j, k, l, m, n;
+  const int pixel_count = (h_end - h_start) * (v_end - v_start);
+  const int wiener_win2 = wiener_win * wiener_win;
+  const int wiener_halfwin = (wiener_win >> 1);
+  const double avg =
+      find_average(dgd, h_start, h_end, v_start, v_end, dgd_stride);
+
+  std::vector<std::vector<int64_t> > M_int(wiener_win,
+                                           std::vector<int64_t>(wiener_win, 0));
+  std::vector<std::vector<int64_t> > H_int(
+      wiener_win * wiener_win, std::vector<int64_t>(wiener_win * 8, 0));
+  std::vector<std::vector<int32_t> > sumY(wiener_win,
+                                          std::vector<int32_t>(wiener_win, 0));
+  int32_t sumX = 0;
+  const uint8_t *dgd_win = dgd - wiener_halfwin * dgd_stride - wiener_halfwin;
+
+  for (i = v_start; i < v_end; i++) {
+    for (j = h_start; j < h_end; j += 2) {
+      const uint8_t X1 = src[i * src_stride + j];
+      const uint8_t X2 = src[i * src_stride + j + 1];
+      sumX += X1 + X2;
+
+      const uint8_t *dgd_ij = dgd_win + i * dgd_stride + j;
+      for (k = 0; k < wiener_win; k++) {
+        for (l = 0; l < wiener_win; l++) {
+          const uint8_t *dgd_ijkl = dgd_ij + k * dgd_stride + l;
+          int64_t *H_int_temp = &H_int[(l * wiener_win + k)][0];
+          const uint8_t D1 = dgd_ijkl[0];
+          const uint8_t D2 = dgd_ijkl[1];
+          sumY[k][l] += D1 + D2;
+          M_int[l][k] += D1 * X1 + D2 * X2;
+          for (m = 0; m < wiener_win; m++) {
+            for (n = 0; n < wiener_win; n++) {
+              H_int_temp[m * 8 + n] += D1 * dgd_ij[n + dgd_stride * m] +
+                                       D2 * dgd_ij[n + dgd_stride * m + 1];
+            }
+          }
+        }
+      }
+    }
+  }
+
+  const double avg_square_sum = avg * avg * pixel_count;
+  for (k = 0; k < wiener_win; k++) {
+    for (l = 0; l < wiener_win; l++) {
+      M[l * wiener_win + k] =
+          M_int[l][k] + avg_square_sum - avg * (sumX + sumY[k][l]);
+      for (m = 0; m < wiener_win; m++) {
+        for (n = 0; n < wiener_win; n++) {
+          H[(l * wiener_win + k) * wiener_win2 + m * wiener_win + n] =
+              H_int[(l * wiener_win + k)][n * 8 + m] + avg_square_sum -
+              avg * (sumY[k][l] + sumY[n][m]);
+        }
+      }
+    }
+  }
+}
+
+void compute_stats_opt_c(int wiener_win, const uint8_t *dgd, const uint8_t *src,
+                         int h_start, int h_end, int v_start, int v_end,
+                         int dgd_stride, int src_stride, double *M, double *H) {
+  if (wiener_win == WIENER_WIN || wiener_win == WIENER_WIN_CHROMA) {
+    compute_stats_win_opt_c(wiener_win, dgd, src, h_start, h_end, v_start,
+                            v_end, dgd_stride, src_stride, M, H);
+  } else {
+    av1_compute_stats_c(wiener_win, dgd, src, h_start, h_end, v_start, v_end,
+                        dgd_stride, src_stride, M, H);
+  }
+}
+
+static const int kIterations = 100;
+static const double min_error = (double)(0.01);
+typedef void (*compute_stats_Func)(int wiener_win, const uint8_t *dgd,
+                                   const uint8_t *src, int h_start, int h_end,
+                                   int v_start, int v_end, int dgd_stride,
+                                   int src_stride, double *M, double *H);
+
+typedef libaom_test::FuncParam<compute_stats_Func> TestFuncs;
+
+////////////////////////////////////////////////////////////////////////////////
+// 8 bit
+////////////////////////////////////////////////////////////////////////////////
+
+typedef ::testing::tuple<const compute_stats_Func> WienerTestParam;
+
+class WienerTest : public ::testing::TestWithParam<WienerTestParam> {
+ public:
+  virtual void SetUp() { target_func_ = GET_PARAM(0); }
+  void runWienerTest(const int32_t wiener_win, int32_t run_times);
+  void runWienerTest_ExtremeValues(const int32_t wiener_win);
+
+ private:
+  compute_stats_Func target_func_;
+  ACMRandom rng_;
+};
+
+void WienerTest::runWienerTest(const int32_t wiener_win, int32_t run_times) {
+  const int32_t wiener_halfwin = wiener_win >> 1;
+  const int32_t wiener_win2 = wiener_win * wiener_win;
+  DECLARE_ALIGNED(32, uint8_t, dgd_buf[MAX_DATA_BLOCK * MAX_DATA_BLOCK]);
+  DECLARE_ALIGNED(32, uint8_t, src_buf[MAX_DATA_BLOCK * MAX_DATA_BLOCK]);
+  DECLARE_ALIGNED(32, double, M_ref[WIENER_WIN2]);
+  DECLARE_ALIGNED(32, double, H_ref[WIENER_WIN2 * WIENER_WIN2]);
+  DECLARE_ALIGNED(32, double, M_test[WIENER_WIN2]);
+  DECLARE_ALIGNED(32, double, H_test[WIENER_WIN2 * WIENER_WIN2]);
+  const int h_start = ((rng_.Rand16() % (MAX_WIENER_BLOCK / 2)) & (~7));
+  int h_end =
+      run_times != 1 ? 256 : ((rng_.Rand16() % MAX_WIENER_BLOCK) & (~7)) + 8;
+  const int v_start = ((rng_.Rand16() % (MAX_WIENER_BLOCK / 2)) & (~7));
+  int v_end =
+      run_times != 1 ? 256 : ((rng_.Rand16() % MAX_WIENER_BLOCK) & (~7)) + 8;
+  const int dgd_stride = h_end;
+  const int src_stride = MAX_DATA_BLOCK;
+  const int iters = run_times == 1 ? kIterations : 2;
+  for (int iter = 0; iter < iters && !HasFatalFailure(); ++iter) {
+    for (int i = 0; i < MAX_DATA_BLOCK * MAX_DATA_BLOCK; ++i) {
+      dgd_buf[i] = rng_.Rand8();
+      src_buf[i] = rng_.Rand8();
+    }
+    uint8_t *dgd = dgd_buf + wiener_halfwin * MAX_DATA_BLOCK + wiener_halfwin;
+    uint8_t *src = src_buf;
+
+    aom_usec_timer timer;
+    aom_usec_timer_start(&timer);
+    for (int i = 0; i < run_times; ++i) {
+      av1_compute_stats_c(wiener_win, dgd, src, h_start, h_end, v_start, v_end,
+                          dgd_stride, src_stride, M_ref, H_ref);
+    }
+    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_(wiener_win, dgd, src, h_start, h_end, v_start, v_end,
+                   dgd_stride, src_stride, M_test, H_test);
+    }
+    aom_usec_timer_mark(&timer);
+    const double time2 = static_cast<double>(aom_usec_timer_elapsed(&timer));
+    if (run_times > 10) {
+      printf("win %d %3dx%-3d:%7.2f/%7.2fns", wiener_win, h_end, v_end, time1,
+             time2);
+      printf("(%3.2f)\n", time1 / time2);
+    }
+    int failed = 0;
+    for (int i = 0; i < wiener_win2; ++i) {
+      if (fabs(M_ref[i] - M_test[i]) > min_error) {
+        failed = 1;
+        printf("win %d M iter %d [%4d] ref %6.0f test %6.0f \n", wiener_win,
+               iter, i, M_ref[i], M_test[i]);
+        break;
+      }
+    }
+    // ASSERT_EQ(failed, 0);
+    for (int i = 0; i < wiener_win2 * wiener_win2; ++i) {
+      if (fabs(H_ref[i] - H_test[i]) > min_error) {
+        failed = 1;
+        printf("win %d H iter %d [%4d] ref %6.0f test %6.0f \n", wiener_win,
+               iter, i, H_ref[i], H_test[i]);
+        break;
+      }
+    }
+    ASSERT_EQ(failed, 0);
+  }
+}
+
+void WienerTest::runWienerTest_ExtremeValues(const int32_t wiener_win) {
+  const int32_t wiener_halfwin = wiener_win >> 1;
+  const int32_t wiener_win2 = wiener_win * wiener_win;
+  DECLARE_ALIGNED(32, uint8_t, dgd_buf[MAX_DATA_BLOCK * MAX_DATA_BLOCK]);
+  DECLARE_ALIGNED(32, uint8_t, src_buf[MAX_DATA_BLOCK * MAX_DATA_BLOCK]);
+  DECLARE_ALIGNED(32, double, M_ref[WIENER_WIN2]);
+  DECLARE_ALIGNED(32, double, H_ref[WIENER_WIN2 * WIENER_WIN2]);
+  DECLARE_ALIGNED(32, double, M_test[WIENER_WIN2]);
+  DECLARE_ALIGNED(32, double, H_test[WIENER_WIN2 * WIENER_WIN2]);
+  const int h_start = 16;
+  const int h_end = MAX_WIENER_BLOCK;
+  const int v_start = 16;
+  const int v_end = MAX_WIENER_BLOCK;
+  const int dgd_stride = h_end;
+  const int src_stride = MAX_DATA_BLOCK;
+  const int iters = 1;
+  for (int iter = 0; iter < iters && !HasFatalFailure(); ++iter) {
+    for (int i = 0; i < MAX_DATA_BLOCK * MAX_DATA_BLOCK; ++i) {
+      dgd_buf[i] = 255;
+      src_buf[i] = 255;
+    }
+    uint8_t *dgd = dgd_buf + wiener_halfwin * MAX_DATA_BLOCK + wiener_halfwin;
+    uint8_t *src = src_buf;
+
+    av1_compute_stats_c(wiener_win, dgd, src, h_start, h_end, v_start, v_end,
+                        dgd_stride, src_stride, M_ref, H_ref);
+
+    target_func_(wiener_win, dgd, src, h_start, h_end, v_start, v_end,
+                 dgd_stride, src_stride, M_test, H_test);
+
+    int failed = 0;
+    for (int i = 0; i < wiener_win2; ++i) {
+      if (fabs(M_ref[i] - M_test[i]) > min_error) {
+        failed = 1;
+        printf("win %d M iter %d [%4d] ref %6.0f test %6.0f \n", wiener_win,
+               iter, i, M_ref[i], M_test[i]);
+        break;
+      }
+    }
+    // ASSERT_EQ(failed, 0);
+    for (int i = 0; i < wiener_win2 * wiener_win2; ++i) {
+      if (fabs(H_ref[i] - H_test[i]) > min_error) {
+        failed = 1;
+        printf("win %d H iter %d [%4d] ref %6.0f test %6.0f \n", wiener_win,
+               iter, i, H_ref[i], H_test[i]);
+        break;
+      }
+    }
+    ASSERT_EQ(failed, 0);
+  }
+}
+
+TEST_P(WienerTest, RandomValues) {
+  runWienerTest(WIENER_WIN, 1);
+  runWienerTest(WIENER_WIN_CHROMA, 1);
+}
+
+TEST_P(WienerTest, ExtremeValues) {
+  runWienerTest_ExtremeValues(WIENER_WIN);
+  runWienerTest_ExtremeValues(WIENER_WIN_CHROMA);
+}
+
+TEST_P(WienerTest, DISABLED_Speed) {
+  runWienerTest(WIENER_WIN, 200);
+  runWienerTest(WIENER_WIN_CHROMA, 200);
+}
+
+INSTANTIATE_TEST_CASE_P(C, WienerTest, ::testing::Values(compute_stats_opt_c));
+
+#if HAVE_SSE4_1
+INSTANTIATE_TEST_CASE_P(SSE4_1, WienerTest,
+                        ::testing::Values(av1_compute_stats_sse4_1));
+#endif  // HAVE_SSE4_1
+
+#if HAVE_AVX2
+
+INSTANTIATE_TEST_CASE_P(AVX2, WienerTest,
+                        ::testing::Values(av1_compute_stats_avx2));
+#endif  // HAVE_AVX2
+
+}  // namespace