Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 331 insertions, 0 deletions

diff --git a/third_party/aom/test/filterintra_predictors_test.cc b/third_party/aom/test/filterintra_predictors_test.cc
new file mode 100644
index 000000000..5c6b56d14
--- /dev/null
+++ b/third_party/aom/test/filterintra_predictors_test.cc
@@ -0,0 +1,331 @@
+/*
+ * 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 "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "./av1_rtcd.h"
+#include "test/acm_random.h"
+#include "test/clear_system_state.h"
+#include "test/register_state_check.h"
+#include "test/util.h"
+#include "av1/common/enums.h"
+
+namespace {
+
+using std::tr1::tuple;
+using libaom_test::ACMRandom;
+
+typedef void (*Predictor)(uint8_t *dst, ptrdiff_t stride, int bs,
+                          const uint8_t *above, const uint8_t *left);
+
+// Note:
+//  Test parameter list:
+//  Reference predictor, optimized predictor, prediction mode, block size
+//
+typedef tuple<Predictor, Predictor, int> PredFuncMode;
+typedef tuple<PredFuncMode, int> PredParams;
+
+#if CONFIG_HIGHBITDEPTH
+typedef void (*HbdPredictor)(uint16_t *dst, ptrdiff_t stride, int bs,
+                             const uint16_t *above, const uint16_t *left,
+                             int bd);
+
+// Note:
+//  Test parameter list:
+//  Reference predictor, optimized predictor, prediction mode, block size,
+//  bit depth
+//
+typedef tuple<HbdPredictor, HbdPredictor, int> HbdPredFuncMode;
+typedef tuple<HbdPredFuncMode, int, int> HbdPredParams;
+#endif
+
+const int MaxBlkSize = 32;
+
+// By default, disable speed test
+#define PREDICTORS_SPEED_TEST (0)
+
+#if PREDICTORS_SPEED_TEST
+const int MaxTestNum = 100000;
+#else
+const int MaxTestNum = 100;
+#endif
+
+class AV1FilterIntraPredOptimzTest
+    : public ::testing::TestWithParam<PredParams> {
+ public:
+  virtual ~AV1FilterIntraPredOptimzTest() {}
+  virtual void SetUp() {
+    PredFuncMode funcMode = GET_PARAM(0);
+    predFuncRef_ = std::tr1::get<0>(funcMode);
+    predFunc_ = std::tr1::get<1>(funcMode);
+    mode_ = std::tr1::get<2>(funcMode);
+    blockSize_ = GET_PARAM(1);
+
+    alloc_ = new uint8_t[3 * MaxBlkSize + 2];
+    predRef_ = new uint8_t[MaxBlkSize * MaxBlkSize];
+    pred_ = new uint8_t[MaxBlkSize * MaxBlkSize];
+  }
+
+  virtual void TearDown() {
+    delete[] alloc_;
+    delete[] predRef_;
+    delete[] pred_;
+    libaom_test::ClearSystemState();
+  }
+
+ protected:
+  void RunTest() const {
+    int tstIndex = 0;
+    int stride = blockSize_;
+    uint8_t *left = alloc_;
+    uint8_t *above = alloc_ + MaxBlkSize + 1;
+    while (tstIndex < MaxTestNum) {
+      PrepareBuffer();
+      predFuncRef_(predRef_, stride, blockSize_, &above[1], left);
+      ASM_REGISTER_STATE_CHECK(
+          predFunc_(pred_, stride, blockSize_, &above[1], left));
+      DiffPred(tstIndex);
+      tstIndex += 1;
+    }
+  }
+
+  void RunSpeedTestC() const {
+    int tstIndex = 0;
+    int stride = blockSize_;
+    uint8_t *left = alloc_;
+    uint8_t *above = alloc_ + MaxBlkSize + 1;
+    PrepareBuffer();
+    while (tstIndex < MaxTestNum) {
+      predFuncRef_(predRef_, stride, blockSize_, &above[1], left);
+      tstIndex += 1;
+    }
+  }
+
+  void RunSpeedTestSSE() const {
+    int tstIndex = 0;
+    int stride = blockSize_;
+    uint8_t *left = alloc_;
+    uint8_t *above = alloc_ + MaxBlkSize + 1;
+    PrepareBuffer();
+    while (tstIndex < MaxTestNum) {
+      predFunc_(predRef_, stride, blockSize_, &above[1], left);
+      tstIndex += 1;
+    }
+  }
+
+ private:
+  void PrepareBuffer() const {
+    ACMRandom rnd(ACMRandom::DeterministicSeed());
+    int i = 0;
+    while (i < (3 * MaxBlkSize + 2)) {
+      alloc_[i] = rnd.Rand8();
+      i += 1;
+    }
+  }
+
+  void DiffPred(int testNum) const {
+    int i = 0;
+    while (i < blockSize_ * blockSize_) {
+      EXPECT_EQ(predRef_[i], pred_[i]) << "Error at position: " << i << " "
+                                       << "Block size: " << blockSize_ << " "
+                                       << "Test number: " << testNum;
+      i += 1;
+    }
+  }
+
+  Predictor predFunc_;
+  Predictor predFuncRef_;
+  int mode_;
+  int blockSize_;
+  uint8_t *alloc_;
+  uint8_t *pred_;
+  uint8_t *predRef_;
+};
+
+#if CONFIG_HIGHBITDEPTH
+class AV1HbdFilterIntraPredOptimzTest
+    : public ::testing::TestWithParam<HbdPredParams> {
+ public:
+  virtual ~AV1HbdFilterIntraPredOptimzTest() {}
+  virtual void SetUp() {
+    HbdPredFuncMode funcMode = GET_PARAM(0);
+    predFuncRef_ = std::tr1::get<0>(funcMode);
+    predFunc_ = std::tr1::get<1>(funcMode);
+    mode_ = std::tr1::get<2>(funcMode);
+    blockSize_ = GET_PARAM(1);
+    bd_ = GET_PARAM(2);
+
+    alloc_ = new uint16_t[3 * MaxBlkSize + 2];
+    predRef_ = new uint16_t[MaxBlkSize * MaxBlkSize];
+    pred_ = new uint16_t[MaxBlkSize * MaxBlkSize];
+  }
+
+  virtual void TearDown() {
+    delete[] alloc_;
+    delete[] predRef_;
+    delete[] pred_;
+    libaom_test::ClearSystemState();
+  }
+
+ protected:
+  void RunTest() const {
+    int tstIndex = 0;
+    int stride = blockSize_;
+    uint16_t *left = alloc_;
+    uint16_t *above = alloc_ + MaxBlkSize + 1;
+    while (tstIndex < MaxTestNum) {
+      PrepareBuffer();
+      predFuncRef_(predRef_, stride, blockSize_, &above[1], left, bd_);
+      ASM_REGISTER_STATE_CHECK(
+          predFunc_(pred_, stride, blockSize_, &above[1], left, bd_));
+      DiffPred(tstIndex);
+      tstIndex += 1;
+    }
+  }
+
+  void RunSpeedTestC() const {
+    int tstIndex = 0;
+    int stride = blockSize_;
+    uint16_t *left = alloc_;
+    uint16_t *above = alloc_ + MaxBlkSize + 1;
+    PrepareBuffer();
+    while (tstIndex < MaxTestNum) {
+      predFuncRef_(predRef_, stride, blockSize_, &above[1], left, bd_);
+      tstIndex += 1;
+    }
+  }
+
+  void RunSpeedTestSSE() const {
+    int tstIndex = 0;
+    int stride = blockSize_;
+    uint16_t *left = alloc_;
+    uint16_t *above = alloc_ + MaxBlkSize + 1;
+    PrepareBuffer();
+    while (tstIndex < MaxTestNum) {
+      predFunc_(predRef_, stride, blockSize_, &above[1], left, bd_);
+      tstIndex += 1;
+    }
+  }
+
+ private:
+  void PrepareBuffer() const {
+    ACMRandom rnd(ACMRandom::DeterministicSeed());
+    int i = 0;
+    while (i < (3 * MaxBlkSize + 2)) {
+      alloc_[i] = rnd.Rand16() & ((1 << bd_) - 1);
+      i += 1;
+    }
+  }
+
+  void DiffPred(int testNum) const {
+    int i = 0;
+    while (i < blockSize_ * blockSize_) {
+      EXPECT_EQ(predRef_[i], pred_[i]) << "Error at position: " << i << " "
+                                       << "Block size: " << blockSize_ << " "
+                                       << "Bit depth: " << bd_ << " "
+                                       << "Test number: " << testNum;
+      i += 1;
+    }
+  }
+
+  HbdPredictor predFunc_;
+  HbdPredictor predFuncRef_;
+  int mode_;
+  int blockSize_;
+  int bd_;
+  uint16_t *alloc_;
+  uint16_t *pred_;
+  uint16_t *predRef_;
+};
+#endif  // CONFIG_HIGHBITDEPTH
+
+TEST_P(AV1FilterIntraPredOptimzTest, BitExactCheck) { RunTest(); }
+
+#if PREDICTORS_SPEED_TEST
+TEST_P(AV1FilterIntraPredOptimzTest, SpeedCheckC) { RunSpeedTestC(); }
+
+TEST_P(AV1FilterIntraPredOptimzTest, SpeedCheckSSE) { RunSpeedTestSSE(); }
+#endif
+
+#if CONFIG_HIGHBITDEPTH
+TEST_P(AV1HbdFilterIntraPredOptimzTest, BitExactCheck) { RunTest(); }
+
+#if PREDICTORS_SPEED_TEST
+TEST_P(AV1HbdFilterIntraPredOptimzTest, SpeedCheckC) { RunSpeedTestC(); }
+
+TEST_P(AV1HbdFilterIntraPredOptimzTest, SpeedCheckSSE) { RunSpeedTestSSE(); }
+#endif  // PREDICTORS_SPEED_TEST
+#endif  // CONFIG_HIGHBITDEPTH
+
+using std::tr1::make_tuple;
+
+const PredFuncMode kPredFuncMdArray[] = {
+  make_tuple(av1_dc_filter_predictor_c, av1_dc_filter_predictor_sse4_1,
+             DC_PRED),
+  make_tuple(av1_v_filter_predictor_c, av1_v_filter_predictor_sse4_1, V_PRED),
+  make_tuple(av1_h_filter_predictor_c, av1_h_filter_predictor_sse4_1, H_PRED),
+  make_tuple(av1_d45_filter_predictor_c, av1_d45_filter_predictor_sse4_1,
+             D45_PRED),
+  make_tuple(av1_d135_filter_predictor_c, av1_d135_filter_predictor_sse4_1,
+             D135_PRED),
+  make_tuple(av1_d117_filter_predictor_c, av1_d117_filter_predictor_sse4_1,
+             D117_PRED),
+  make_tuple(av1_d153_filter_predictor_c, av1_d153_filter_predictor_sse4_1,
+             D153_PRED),
+  make_tuple(av1_d207_filter_predictor_c, av1_d207_filter_predictor_sse4_1,
+             D207_PRED),
+  make_tuple(av1_d63_filter_predictor_c, av1_d63_filter_predictor_sse4_1,
+             D63_PRED),
+  make_tuple(av1_tm_filter_predictor_c, av1_tm_filter_predictor_sse4_1,
+             TM_PRED),
+};
+
+const int kBlkSize[] = { 4, 8, 16, 32 };
+
+INSTANTIATE_TEST_CASE_P(
+    SSE4_1, AV1FilterIntraPredOptimzTest,
+    ::testing::Combine(::testing::ValuesIn(kPredFuncMdArray),
+                       ::testing::ValuesIn(kBlkSize)));
+
+#if CONFIG_HIGHBITDEPTH
+const HbdPredFuncMode kHbdPredFuncMdArray[] = {
+  make_tuple(av1_highbd_dc_filter_predictor_c,
+             av1_highbd_dc_filter_predictor_sse4_1, DC_PRED),
+  make_tuple(av1_highbd_v_filter_predictor_c,
+             av1_highbd_v_filter_predictor_sse4_1, V_PRED),
+  make_tuple(av1_highbd_h_filter_predictor_c,
+             av1_highbd_h_filter_predictor_sse4_1, H_PRED),
+  make_tuple(av1_highbd_d45_filter_predictor_c,
+             av1_highbd_d45_filter_predictor_sse4_1, D45_PRED),
+  make_tuple(av1_highbd_d135_filter_predictor_c,
+             av1_highbd_d135_filter_predictor_sse4_1, D135_PRED),
+  make_tuple(av1_highbd_d117_filter_predictor_c,
+             av1_highbd_d117_filter_predictor_sse4_1, D117_PRED),
+  make_tuple(av1_highbd_d153_filter_predictor_c,
+             av1_highbd_d153_filter_predictor_sse4_1, D153_PRED),
+  make_tuple(av1_highbd_d207_filter_predictor_c,
+             av1_highbd_d207_filter_predictor_sse4_1, D207_PRED),
+  make_tuple(av1_highbd_d63_filter_predictor_c,
+             av1_highbd_d63_filter_predictor_sse4_1, D63_PRED),
+  make_tuple(av1_highbd_tm_filter_predictor_c,
+             av1_highbd_tm_filter_predictor_sse4_1, TM_PRED),
+};
+
+const int kBd[] = { 10, 12 };
+
+INSTANTIATE_TEST_CASE_P(
+    SSE4_1, AV1HbdFilterIntraPredOptimzTest,
+    ::testing::Combine(::testing::ValuesIn(kHbdPredFuncMdArray),
+                       ::testing::ValuesIn(kBlkSize),
+                       ::testing::ValuesIn(kBd)));
+#endif  // CONFIG_HIGHBITDEPTH
+
+}  // namespace