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, 222 insertions, 0 deletions

diff --git a/third_party/aom/test/av1_fht4x4_test.cc b/third_party/aom/test/av1_fht4x4_test.cc
new file mode 100644
index 000000000..42837d3a4
--- /dev/null
+++ b/third_party/aom/test/av1_fht4x4_test.cc
@@ -0,0 +1,222 @@
+/*
+ * 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 "./aom_dsp_rtcd.h"
+
+#include "test/acm_random.h"
+#include "test/clear_system_state.h"
+#include "test/register_state_check.h"
+#include "test/transform_test_base.h"
+#include "test/util.h"
+#include "aom_ports/mem.h"
+
+using libaom_test::ACMRandom;
+
+namespace {
+typedef void (*IhtFunc)(const tran_low_t *in, uint8_t *out, int stride,
+                        int tx_type);
+using std::tr1::tuple;
+using libaom_test::FhtFunc;
+typedef tuple<FhtFunc, IhtFunc, int, aom_bit_depth_t, int> Ht4x4Param;
+
+void fht4x4_ref(const int16_t *in, tran_low_t *out, int stride, int tx_type) {
+  av1_fht4x4_c(in, out, stride, tx_type);
+}
+
+void iht4x4_ref(const tran_low_t *in, uint8_t *out, int stride, int tx_type) {
+  av1_iht4x4_16_add_c(in, out, stride, tx_type);
+}
+
+#if CONFIG_HIGHBITDEPTH
+typedef void (*IhighbdHtFunc)(const tran_low_t *in, uint8_t *out, int stride,
+                              int tx_type, int bd);
+typedef void (*HBDFhtFunc)(const int16_t *input, int32_t *output, int stride,
+                           int tx_type, int bd);
+
+// HighbdHt4x4Param argument list:
+// <Target optimized function, tx_type, bit depth>
+typedef tuple<HBDFhtFunc, int, int> HighbdHt4x4Param;
+
+void highbe_fht4x4_ref(const int16_t *in, int32_t *out, int stride, int tx_type,
+                       int bd) {
+  av1_fwd_txfm2d_4x4_c(in, out, stride, tx_type, bd);
+}
+#endif  // CONFIG_HIGHBITDEPTH
+
+class AV1Trans4x4HT : public libaom_test::TransformTestBase,
+                      public ::testing::TestWithParam<Ht4x4Param> {
+ public:
+  virtual ~AV1Trans4x4HT() {}
+
+  virtual void SetUp() {
+    fwd_txfm_ = GET_PARAM(0);
+    inv_txfm_ = GET_PARAM(1);
+    tx_type_ = GET_PARAM(2);
+    pitch_ = 4;
+    height_ = 4;
+    fwd_txfm_ref = fht4x4_ref;
+    inv_txfm_ref = iht4x4_ref;
+    bit_depth_ = GET_PARAM(3);
+    mask_ = (1 << bit_depth_) - 1;
+    num_coeffs_ = GET_PARAM(4);
+  }
+  virtual void TearDown() { libaom_test::ClearSystemState(); }
+
+ protected:
+  void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) {
+    fwd_txfm_(in, out, stride, tx_type_);
+  }
+
+  void RunInvTxfm(const tran_low_t *out, uint8_t *dst, int stride) {
+    inv_txfm_(out, dst, stride, tx_type_);
+  }
+
+  FhtFunc fwd_txfm_;
+  IhtFunc inv_txfm_;
+};
+
+TEST_P(AV1Trans4x4HT, MemCheck) { RunMemCheck(); }
+TEST_P(AV1Trans4x4HT, CoeffCheck) { RunCoeffCheck(); }
+// Note:
+//  TODO(luoyi): Add tx_type, 9-15 for inverse transform.
+//  Need cleanup since same tests may be done in fdct4x4_test.cc
+// TEST_P(AV1Trans4x4HT, AccuracyCheck) { RunAccuracyCheck(0); }
+// TEST_P(AV1Trans4x4HT, InvAccuracyCheck) { RunInvAccuracyCheck(0); }
+// TEST_P(AV1Trans4x4HT, InvCoeffCheck) { RunInvCoeffCheck(); }
+
+#if CONFIG_HIGHBITDEPTH
+class AV1HighbdTrans4x4HT : public ::testing::TestWithParam<HighbdHt4x4Param> {
+ public:
+  virtual ~AV1HighbdTrans4x4HT() {}
+
+  virtual void SetUp() {
+    fwd_txfm_ = GET_PARAM(0);
+    fwd_txfm_ref_ = highbe_fht4x4_ref;
+    tx_type_ = GET_PARAM(1);
+    bit_depth_ = GET_PARAM(2);
+    mask_ = (1 << bit_depth_) - 1;
+    num_coeffs_ = 16;
+
+    input_ = reinterpret_cast<int16_t *>(
+        aom_memalign(16, sizeof(int16_t) * num_coeffs_));
+    output_ = reinterpret_cast<int32_t *>(
+        aom_memalign(16, sizeof(int32_t) * num_coeffs_));
+    output_ref_ = reinterpret_cast<int32_t *>(
+        aom_memalign(16, sizeof(int32_t) * num_coeffs_));
+  }
+
+  virtual void TearDown() {
+    aom_free(input_);
+    aom_free(output_);
+    aom_free(output_ref_);
+    libaom_test::ClearSystemState();
+  }
+
+ protected:
+  void RunBitexactCheck();
+
+ private:
+  HBDFhtFunc fwd_txfm_;
+  HBDFhtFunc fwd_txfm_ref_;
+  int tx_type_;
+  int bit_depth_;
+  int mask_;
+  int num_coeffs_;
+  int16_t *input_;
+  int32_t *output_;
+  int32_t *output_ref_;
+};
+
+void AV1HighbdTrans4x4HT::RunBitexactCheck() {
+  ACMRandom rnd(ACMRandom::DeterministicSeed());
+  int i, j;
+  const int stride = 4;
+  const int num_tests = 1000;
+  const int num_coeffs = 16;
+
+  for (i = 0; i < num_tests; ++i) {
+    for (j = 0; j < num_coeffs; ++j) {
+      input_[j] = (rnd.Rand16() & mask_) - (rnd.Rand16() & mask_);
+    }
+
+    fwd_txfm_ref_(input_, output_ref_, stride, tx_type_, bit_depth_);
+    fwd_txfm_(input_, output_, stride, tx_type_, bit_depth_);
+
+    for (j = 0; j < num_coeffs; ++j) {
+      EXPECT_EQ(output_[j], output_ref_[j])
+          << "Not bit-exact result at index: " << j << " at test block: " << i;
+    }
+  }
+}
+
+TEST_P(AV1HighbdTrans4x4HT, HighbdCoeffCheck) { RunBitexactCheck(); }
+#endif  // CONFIG_HIGHBITDEPTH
+
+using std::tr1::make_tuple;
+
+#if HAVE_SSE2
+const Ht4x4Param kArrayHt4x4Param_sse2[] = {
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 0, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 1, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 2, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 3, AOM_BITS_8, 16),
+#if CONFIG_EXT_TX
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 4, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 5, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 6, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 7, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 8, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 9, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 10, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 11, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 12, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 13, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 14, AOM_BITS_8, 16),
+  make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 15, AOM_BITS_8, 16)
+#endif  // CONFIG_EXT_TX
+};
+INSTANTIATE_TEST_CASE_P(SSE2, AV1Trans4x4HT,
+                        ::testing::ValuesIn(kArrayHt4x4Param_sse2));
+#endif  // HAVE_SSE2
+
+#if HAVE_SSE4_1 && CONFIG_HIGHBITDEPTH
+const HighbdHt4x4Param kArrayHighbdHt4x4Param[] = {
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 0, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 0, 12),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 1, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 1, 12),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 2, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 2, 12),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 3, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 3, 12),
+#if CONFIG_EXT_TX
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 4, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 4, 12),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 5, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 5, 12),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 6, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 6, 12),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 7, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 7, 12),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 8, 10),
+  make_tuple(&av1_fwd_txfm2d_4x4_sse4_1, 8, 12),
+#endif  // CONFIG_EXT_TX
+};
+
+INSTANTIATE_TEST_CASE_P(SSE4_1, AV1HighbdTrans4x4HT,
+                        ::testing::ValuesIn(kArrayHighbdHt4x4Param));
+
+#endif  // HAVE_SSE4_1 && CONFIG_HIGHBITDEPTH
+
+}  // namespace