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, 236 insertions, 0 deletions

diff --git a/third_party/aom/test/av1_highbd_iht_test.cc b/third_party/aom/test/av1_highbd_iht_test.cc
new file mode 100644
index 000000000..3b263638f
--- /dev/null
+++ b/third_party/aom/test/av1_highbd_iht_test.cc
@@ -0,0 +1,236 @@
+/*
+ * 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"
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_ports/mem.h"
+
+namespace {
+
+using std::tr1::tuple;
+using libaom_test::ACMRandom;
+
+typedef void (*HbdHtFunc)(const int16_t *input, int32_t *output, int stride,
+                          int tx_type, int bd);
+
+typedef void (*IHbdHtFunc)(const int32_t *coeff, uint16_t *output, int stride,
+                           int tx_type, int bd);
+
+// Test parameter argument list:
+//   <transform reference function,
+//    optimized inverse transform function,
+//    inverse transform reference function,
+//    num_coeffs,
+//    tx_type,
+//    bit_depth>
+typedef tuple<HbdHtFunc, IHbdHtFunc, IHbdHtFunc, int, int, int> IHbdHtParam;
+
+class AV1HighbdInvHTNxN : public ::testing::TestWithParam<IHbdHtParam> {
+ public:
+  virtual ~AV1HighbdInvHTNxN() {}
+
+  virtual void SetUp() {
+    txfm_ref_ = GET_PARAM(0);
+    inv_txfm_ = GET_PARAM(1);
+    inv_txfm_ref_ = GET_PARAM(2);
+    num_coeffs_ = GET_PARAM(3);
+    tx_type_ = GET_PARAM(4);
+    bit_depth_ = GET_PARAM(5);
+
+    input_ = reinterpret_cast<int16_t *>(
+        aom_memalign(16, sizeof(input_[0]) * num_coeffs_));
+
+    // Note:
+    // Inverse transform input buffer is 32-byte aligned
+    // Refer to <root>/av1/encoder/context_tree.c, function,
+    // void alloc_mode_context().
+    coeffs_ = reinterpret_cast<int32_t *>(
+        aom_memalign(32, sizeof(coeffs_[0]) * num_coeffs_));
+    output_ = reinterpret_cast<uint16_t *>(
+        aom_memalign(32, sizeof(output_[0]) * num_coeffs_));
+    output_ref_ = reinterpret_cast<uint16_t *>(
+        aom_memalign(32, sizeof(output_ref_[0]) * num_coeffs_));
+  }
+
+  virtual void TearDown() {
+    aom_free(input_);
+    aom_free(coeffs_);
+    aom_free(output_);
+    aom_free(output_ref_);
+    libaom_test::ClearSystemState();
+  }
+
+ protected:
+  void RunBitexactCheck();
+
+ private:
+  int GetStride() const {
+    if (16 == num_coeffs_) {
+      return 4;
+    } else if (64 == num_coeffs_) {
+      return 8;
+    } else if (256 == num_coeffs_) {
+      return 16;
+    } else if (1024 == num_coeffs_) {
+      return 32;
+    } else {
+      return 0;
+    }
+  }
+
+  HbdHtFunc txfm_ref_;
+  IHbdHtFunc inv_txfm_;
+  IHbdHtFunc inv_txfm_ref_;
+  int num_coeffs_;
+  int tx_type_;
+  int bit_depth_;
+
+  int16_t *input_;
+  int32_t *coeffs_;
+  uint16_t *output_;
+  uint16_t *output_ref_;
+};
+
+void AV1HighbdInvHTNxN::RunBitexactCheck() {
+  ACMRandom rnd(ACMRandom::DeterministicSeed());
+  const int stride = GetStride();
+  const int num_tests = 20000;
+  const uint16_t mask = (1 << bit_depth_) - 1;
+
+  for (int i = 0; i < num_tests; ++i) {
+    for (int j = 0; j < num_coeffs_; ++j) {
+      input_[j] = (rnd.Rand16() & mask) - (rnd.Rand16() & mask);
+      output_ref_[j] = rnd.Rand16() & mask;
+      output_[j] = output_ref_[j];
+    }
+
+    txfm_ref_(input_, coeffs_, stride, tx_type_, bit_depth_);
+    inv_txfm_ref_(coeffs_, output_ref_, stride, tx_type_, bit_depth_);
+    ASM_REGISTER_STATE_CHECK(
+        inv_txfm_(coeffs_, output_, stride, tx_type_, bit_depth_));
+
+    for (int j = 0; j < num_coeffs_; ++j) {
+      EXPECT_EQ(output_ref_[j], output_[j])
+          << "Not bit-exact result at index: " << j << " At test block: " << i;
+    }
+  }
+}
+
+TEST_P(AV1HighbdInvHTNxN, InvTransResultCheck) { RunBitexactCheck(); }
+
+using std::tr1::make_tuple;
+
+#if HAVE_SSE4_1 && CONFIG_HIGHBITDEPTH
+#define PARAM_LIST_4X4                                   \
+  &av1_fwd_txfm2d_4x4_c, &av1_inv_txfm2d_add_4x4_sse4_1, \
+      &av1_inv_txfm2d_add_4x4_c, 16
+
+#define PARAM_LIST_8X8                                   \
+  &av1_fwd_txfm2d_8x8_c, &av1_inv_txfm2d_add_8x8_sse4_1, \
+      &av1_inv_txfm2d_add_8x8_c, 64
+
+#define PARAM_LIST_16X16                                     \
+  &av1_fwd_txfm2d_16x16_c, &av1_inv_txfm2d_add_16x16_sse4_1, \
+      &av1_inv_txfm2d_add_16x16_c, 256
+
+const IHbdHtParam kArrayIhtParam[] = {
+  // 16x16
+  make_tuple(PARAM_LIST_16X16, DCT_DCT, 10),
+  make_tuple(PARAM_LIST_16X16, DCT_DCT, 12),
+  make_tuple(PARAM_LIST_16X16, ADST_DCT, 10),
+  make_tuple(PARAM_LIST_16X16, ADST_DCT, 12),
+  make_tuple(PARAM_LIST_16X16, DCT_ADST, 10),
+  make_tuple(PARAM_LIST_16X16, DCT_ADST, 12),
+  make_tuple(PARAM_LIST_16X16, ADST_ADST, 10),
+  make_tuple(PARAM_LIST_16X16, ADST_ADST, 12),
+#if CONFIG_EXT_TX
+  make_tuple(PARAM_LIST_16X16, FLIPADST_DCT, 10),
+  make_tuple(PARAM_LIST_16X16, FLIPADST_DCT, 12),
+  make_tuple(PARAM_LIST_16X16, DCT_FLIPADST, 10),
+  make_tuple(PARAM_LIST_16X16, DCT_FLIPADST, 12),
+  make_tuple(PARAM_LIST_16X16, FLIPADST_FLIPADST, 10),
+  make_tuple(PARAM_LIST_16X16, FLIPADST_FLIPADST, 12),
+  make_tuple(PARAM_LIST_16X16, ADST_FLIPADST, 10),
+  make_tuple(PARAM_LIST_16X16, ADST_FLIPADST, 12),
+  make_tuple(PARAM_LIST_16X16, FLIPADST_ADST, 10),
+  make_tuple(PARAM_LIST_16X16, FLIPADST_ADST, 12),
+#endif
+  // 8x8
+  make_tuple(PARAM_LIST_8X8, DCT_DCT, 10),
+  make_tuple(PARAM_LIST_8X8, DCT_DCT, 12),
+  make_tuple(PARAM_LIST_8X8, ADST_DCT, 10),
+  make_tuple(PARAM_LIST_8X8, ADST_DCT, 12),
+  make_tuple(PARAM_LIST_8X8, DCT_ADST, 10),
+  make_tuple(PARAM_LIST_8X8, DCT_ADST, 12),
+  make_tuple(PARAM_LIST_8X8, ADST_ADST, 10),
+  make_tuple(PARAM_LIST_8X8, ADST_ADST, 12),
+#if CONFIG_EXT_TX
+  make_tuple(PARAM_LIST_8X8, FLIPADST_DCT, 10),
+  make_tuple(PARAM_LIST_8X8, FLIPADST_DCT, 12),
+  make_tuple(PARAM_LIST_8X8, DCT_FLIPADST, 10),
+  make_tuple(PARAM_LIST_8X8, DCT_FLIPADST, 12),
+  make_tuple(PARAM_LIST_8X8, FLIPADST_FLIPADST, 10),
+  make_tuple(PARAM_LIST_8X8, FLIPADST_FLIPADST, 12),
+  make_tuple(PARAM_LIST_8X8, ADST_FLIPADST, 10),
+  make_tuple(PARAM_LIST_8X8, ADST_FLIPADST, 12),
+  make_tuple(PARAM_LIST_8X8, FLIPADST_ADST, 10),
+  make_tuple(PARAM_LIST_8X8, FLIPADST_ADST, 12),
+#endif
+  // 4x4
+  make_tuple(PARAM_LIST_4X4, DCT_DCT, 10),
+  make_tuple(PARAM_LIST_4X4, DCT_DCT, 12),
+  make_tuple(PARAM_LIST_4X4, ADST_DCT, 10),
+  make_tuple(PARAM_LIST_4X4, ADST_DCT, 12),
+  make_tuple(PARAM_LIST_4X4, DCT_ADST, 10),
+  make_tuple(PARAM_LIST_4X4, DCT_ADST, 12),
+  make_tuple(PARAM_LIST_4X4, ADST_ADST, 10),
+  make_tuple(PARAM_LIST_4X4, ADST_ADST, 12),
+#if CONFIG_EXT_TX
+  make_tuple(PARAM_LIST_4X4, FLIPADST_DCT, 10),
+  make_tuple(PARAM_LIST_4X4, FLIPADST_DCT, 12),
+  make_tuple(PARAM_LIST_4X4, DCT_FLIPADST, 10),
+  make_tuple(PARAM_LIST_4X4, DCT_FLIPADST, 12),
+  make_tuple(PARAM_LIST_4X4, FLIPADST_FLIPADST, 10),
+  make_tuple(PARAM_LIST_4X4, FLIPADST_FLIPADST, 12),
+  make_tuple(PARAM_LIST_4X4, ADST_FLIPADST, 10),
+  make_tuple(PARAM_LIST_4X4, ADST_FLIPADST, 12),
+  make_tuple(PARAM_LIST_4X4, FLIPADST_ADST, 10),
+  make_tuple(PARAM_LIST_4X4, FLIPADST_ADST, 12),
+#endif
+};
+
+INSTANTIATE_TEST_CASE_P(SSE4_1, AV1HighbdInvHTNxN,
+                        ::testing::ValuesIn(kArrayIhtParam));
+#endif  // HAVE_SSE4_1 && CONFIG_HIGHBITDEPTH
+
+#if HAVE_AVX2 && CONFIG_HIGHBITDEPTH
+#define PARAM_LIST_32X32                                   \
+  &av1_fwd_txfm2d_32x32_c, &av1_inv_txfm2d_add_32x32_avx2, \
+      &av1_inv_txfm2d_add_32x32_c, 1024
+
+const IHbdHtParam kArrayIhtParam32x32[] = {
+  // 32x32
+  make_tuple(PARAM_LIST_32X32, DCT_DCT, 10),
+  make_tuple(PARAM_LIST_32X32, DCT_DCT, 12),
+};
+
+INSTANTIATE_TEST_CASE_P(AVX2, AV1HighbdInvHTNxN,
+                        ::testing::ValuesIn(kArrayIhtParam32x32));
+
+#endif  // HAVE_AVX2 && CONFIG_HIGHBITDEPTH
+}  // namespace