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, 231 insertions, 0 deletions

diff --git a/third_party/aom/test/intrapred_test.cc b/third_party/aom/test/intrapred_test.cc
new file mode 100644
index 000000000..4efed57b6
--- /dev/null
+++ b/third_party/aom/test/intrapred_test.cc
@@ -0,0 +1,231 @@
+/*
+ * 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 <string>
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "./aom_config.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/util.h"
+#include "av1/common/blockd.h"
+#include "av1/common/pred_common.h"
+#include "aom_mem/aom_mem.h"
+
+namespace {
+
+using libaom_test::ACMRandom;
+
+const int count_test_block = 100000;
+
+typedef void (*IntraPred)(uint16_t *dst, ptrdiff_t stride,
+                          const uint16_t *above, const uint16_t *left, int bps);
+
+struct IntraPredFunc {
+  IntraPredFunc(IntraPred pred = NULL, IntraPred ref = NULL,
+                int block_size_value = 0, int bit_depth_value = 0)
+      : pred_fn(pred), ref_fn(ref), block_size(block_size_value),
+        bit_depth(bit_depth_value) {}
+
+  IntraPred pred_fn;
+  IntraPred ref_fn;
+  int block_size;
+  int bit_depth;
+};
+
+class AV1IntraPredTest : public ::testing::TestWithParam<IntraPredFunc> {
+ public:
+  void RunTest(uint16_t *left_col, uint16_t *above_data, uint16_t *dst,
+               uint16_t *ref_dst) {
+    ACMRandom rnd(ACMRandom::DeterministicSeed());
+    const int block_size = params_.block_size;
+    above_row_ = above_data + 16;
+    left_col_ = left_col;
+    dst_ = dst;
+    ref_dst_ = ref_dst;
+    int error_count = 0;
+    for (int i = 0; i < count_test_block; ++i) {
+      // Fill edges with random data, try first with saturated values.
+      for (int x = -1; x <= block_size * 2; x++) {
+        if (i == 0) {
+          above_row_[x] = mask_;
+        } else {
+          above_row_[x] = rnd.Rand16() & mask_;
+        }
+      }
+      for (int y = 0; y < block_size; y++) {
+        if (i == 0) {
+          left_col_[y] = mask_;
+        } else {
+          left_col_[y] = rnd.Rand16() & mask_;
+        }
+      }
+      Predict();
+      CheckPrediction(i, &error_count);
+    }
+    ASSERT_EQ(0, error_count);
+  }
+
+ protected:
+  virtual void SetUp() {
+    params_ = GetParam();
+    stride_ = params_.block_size * 3;
+    mask_ = (1 << params_.bit_depth) - 1;
+  }
+
+  void Predict() {
+    const int bit_depth = params_.bit_depth;
+    params_.ref_fn(ref_dst_, stride_, above_row_, left_col_, bit_depth);
+    ASM_REGISTER_STATE_CHECK(
+        params_.pred_fn(dst_, stride_, above_row_, left_col_, bit_depth));
+  }
+
+  void CheckPrediction(int test_case_number, int *error_count) const {
+    // For each pixel ensure that the calculated value is the same as reference.
+    const int block_size = params_.block_size;
+    for (int y = 0; y < block_size; y++) {
+      for (int x = 0; x < block_size; x++) {
+        *error_count += ref_dst_[x + y * stride_] != dst_[x + y * stride_];
+        if (*error_count == 1) {
+          ASSERT_EQ(ref_dst_[x + y * stride_], dst_[x + y * stride_])
+              << " Failed on Test Case Number " << test_case_number;
+        }
+      }
+    }
+  }
+
+  uint16_t *above_row_;
+  uint16_t *left_col_;
+  uint16_t *dst_;
+  uint16_t *ref_dst_;
+  ptrdiff_t stride_;
+  int mask_;
+
+  IntraPredFunc params_;
+};
+
+TEST_P(AV1IntraPredTest, IntraPredTests) {
+  // max block size is 32
+  DECLARE_ALIGNED(16, uint16_t, left_col[2 * 32]);
+  DECLARE_ALIGNED(16, uint16_t, above_data[2 * 32 + 32]);
+  DECLARE_ALIGNED(16, uint16_t, dst[3 * 32 * 32]);
+  DECLARE_ALIGNED(16, uint16_t, ref_dst[3 * 32 * 32]);
+  RunTest(left_col, above_data, dst, ref_dst);
+}
+
+#if HAVE_SSE2
+#if CONFIG_HIGHBITDEPTH
+INSTANTIATE_TEST_CASE_P(
+    SSE2_TO_C_8, AV1IntraPredTest,
+    ::testing::Values(IntraPredFunc(&aom_highbd_dc_predictor_32x32_sse2,
+                                    &aom_highbd_dc_predictor_32x32_c, 32, 8),
+#if !CONFIG_ALT_INTRA
+                      IntraPredFunc(&aom_highbd_tm_predictor_16x16_sse2,
+                                    &aom_highbd_tm_predictor_16x16_c, 16, 8),
+                      IntraPredFunc(&aom_highbd_tm_predictor_32x32_sse2,
+                                    &aom_highbd_tm_predictor_32x32_c, 32, 8),
+#endif  // !CONFIG_ALT_INTRA
+
+                      IntraPredFunc(&aom_highbd_dc_predictor_4x4_sse2,
+                                    &aom_highbd_dc_predictor_4x4_c, 4, 8),
+                      IntraPredFunc(&aom_highbd_dc_predictor_8x8_sse2,
+                                    &aom_highbd_dc_predictor_8x8_c, 8, 8),
+                      IntraPredFunc(&aom_highbd_dc_predictor_16x16_sse2,
+                                    &aom_highbd_dc_predictor_16x16_c, 16, 8),
+                      IntraPredFunc(&aom_highbd_v_predictor_4x4_sse2,
+                                    &aom_highbd_v_predictor_4x4_c, 4, 8),
+                      IntraPredFunc(&aom_highbd_v_predictor_8x8_sse2,
+                                    &aom_highbd_v_predictor_8x8_c, 8, 8),
+                      IntraPredFunc(&aom_highbd_v_predictor_16x16_sse2,
+                                    &aom_highbd_v_predictor_16x16_c, 16, 8),
+                      IntraPredFunc(&aom_highbd_v_predictor_32x32_sse2,
+                                    &aom_highbd_v_predictor_32x32_c, 32, 8)
+#if !CONFIG_ALT_INTRA
+                          ,
+                      IntraPredFunc(&aom_highbd_tm_predictor_4x4_sse2,
+                                    &aom_highbd_tm_predictor_4x4_c, 4, 8),
+                      IntraPredFunc(&aom_highbd_tm_predictor_8x8_sse2,
+                                    &aom_highbd_tm_predictor_8x8_c, 8, 8)
+#endif  // !CONFIG_ALT_INTRA
+                          ));
+
+INSTANTIATE_TEST_CASE_P(
+    SSE2_TO_C_10, AV1IntraPredTest,
+    ::testing::Values(IntraPredFunc(&aom_highbd_dc_predictor_32x32_sse2,
+                                    &aom_highbd_dc_predictor_32x32_c, 32, 10),
+#if !CONFIG_ALT_INTRA
+                      IntraPredFunc(&aom_highbd_tm_predictor_16x16_sse2,
+                                    &aom_highbd_tm_predictor_16x16_c, 16, 10),
+                      IntraPredFunc(&aom_highbd_tm_predictor_32x32_sse2,
+                                    &aom_highbd_tm_predictor_32x32_c, 32, 10),
+#endif  // !CONFIG_ALT_INTRA
+                      IntraPredFunc(&aom_highbd_dc_predictor_4x4_sse2,
+                                    &aom_highbd_dc_predictor_4x4_c, 4, 10),
+                      IntraPredFunc(&aom_highbd_dc_predictor_8x8_sse2,
+                                    &aom_highbd_dc_predictor_8x8_c, 8, 10),
+                      IntraPredFunc(&aom_highbd_dc_predictor_16x16_sse2,
+                                    &aom_highbd_dc_predictor_16x16_c, 16, 10),
+                      IntraPredFunc(&aom_highbd_v_predictor_4x4_sse2,
+                                    &aom_highbd_v_predictor_4x4_c, 4, 10),
+                      IntraPredFunc(&aom_highbd_v_predictor_8x8_sse2,
+                                    &aom_highbd_v_predictor_8x8_c, 8, 10),
+                      IntraPredFunc(&aom_highbd_v_predictor_16x16_sse2,
+                                    &aom_highbd_v_predictor_16x16_c, 16, 10),
+                      IntraPredFunc(&aom_highbd_v_predictor_32x32_sse2,
+                                    &aom_highbd_v_predictor_32x32_c, 32, 10)
+#if !CONFIG_ALT_INTRA
+                          ,
+                      IntraPredFunc(&aom_highbd_tm_predictor_4x4_sse2,
+                                    &aom_highbd_tm_predictor_4x4_c, 4, 10),
+                      IntraPredFunc(&aom_highbd_tm_predictor_8x8_sse2,
+                                    &aom_highbd_tm_predictor_8x8_c, 8, 10)
+#endif  // !CONFIG_ALT_INTRA
+                          ));
+
+INSTANTIATE_TEST_CASE_P(
+    SSE2_TO_C_12, AV1IntraPredTest,
+    ::testing::Values(IntraPredFunc(&aom_highbd_dc_predictor_32x32_sse2,
+                                    &aom_highbd_dc_predictor_32x32_c, 32, 12),
+#if !CONFIG_ALT_INTRA
+                      IntraPredFunc(&aom_highbd_tm_predictor_16x16_sse2,
+                                    &aom_highbd_tm_predictor_16x16_c, 16, 12),
+                      IntraPredFunc(&aom_highbd_tm_predictor_32x32_sse2,
+                                    &aom_highbd_tm_predictor_32x32_c, 32, 12),
+#endif  // !CONFIG_ALT_INTRA
+                      IntraPredFunc(&aom_highbd_dc_predictor_4x4_sse2,
+                                    &aom_highbd_dc_predictor_4x4_c, 4, 12),
+                      IntraPredFunc(&aom_highbd_dc_predictor_8x8_sse2,
+                                    &aom_highbd_dc_predictor_8x8_c, 8, 12),
+                      IntraPredFunc(&aom_highbd_dc_predictor_16x16_sse2,
+                                    &aom_highbd_dc_predictor_16x16_c, 16, 12),
+                      IntraPredFunc(&aom_highbd_v_predictor_4x4_sse2,
+                                    &aom_highbd_v_predictor_4x4_c, 4, 12),
+                      IntraPredFunc(&aom_highbd_v_predictor_8x8_sse2,
+                                    &aom_highbd_v_predictor_8x8_c, 8, 12),
+                      IntraPredFunc(&aom_highbd_v_predictor_16x16_sse2,
+                                    &aom_highbd_v_predictor_16x16_c, 16, 12),
+                      IntraPredFunc(&aom_highbd_v_predictor_32x32_sse2,
+                                    &aom_highbd_v_predictor_32x32_c, 32, 12)
+#if !CONFIG_ALT_INTRA
+                          ,
+                      IntraPredFunc(&aom_highbd_tm_predictor_4x4_sse2,
+                                    &aom_highbd_tm_predictor_4x4_c, 4, 12),
+                      IntraPredFunc(&aom_highbd_tm_predictor_8x8_sse2,
+                                    &aom_highbd_tm_predictor_8x8_c, 8, 12)
+#endif  // !CONFIG_ALT_INTRA
+                          ));
+
+#endif  // CONFIG_HIGHBITDEPTH
+#endif  // HAVE_SSE2
+}  // namespace