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, 270 insertions, 0 deletions

diff --git a/third_party/aom/test/blend_a64_mask_test.cc b/third_party/aom/test/blend_a64_mask_test.cc
new file mode 100644
index 000000000..fef124d34
--- /dev/null
+++ b/third_party/aom/test/blend_a64_mask_test.cc
@@ -0,0 +1,270 @@
+/*
+ * 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 <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "test/register_state_check.h"
+#include "test/function_equivalence_test.h"
+
+#include "./aom_config.h"
+#include "./aom_dsp_rtcd.h"
+#include "aom/aom_integer.h"
+
+#include "./av1_rtcd.h"
+
+#include "av1/common/enums.h"
+
+#include "aom_dsp/blend.h"
+
+using libaom_test::FunctionEquivalenceTest;
+
+namespace {
+
+template <typename F, typename T>
+class BlendA64MaskTest : public FunctionEquivalenceTest<F> {
+ protected:
+  static const int kIterations = 10000;
+  static const int kMaxWidth = MAX_SB_SIZE * 5;  // * 5 to cover longer strides
+  static const int kMaxHeight = MAX_SB_SIZE;
+  static const int kBufSize = kMaxWidth * kMaxHeight;
+  static const int kMaxMaskWidth = 2 * MAX_SB_SIZE;
+  static const int kMaxMaskSize = kMaxMaskWidth * kMaxMaskWidth;
+
+  virtual ~BlendA64MaskTest() {}
+
+  virtual void Execute(const T *p_src0, const T *p_src1) = 0;
+
+  void Common() {
+    w_ = 1 << this->rng_(MAX_SB_SIZE_LOG2 + 1);
+    h_ = 1 << this->rng_(MAX_SB_SIZE_LOG2 + 1);
+
+    subx_ = this->rng_(2);
+    suby_ = this->rng_(2);
+
+    dst_offset_ = this->rng_(33);
+    dst_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;
+
+    src0_offset_ = this->rng_(33);
+    src0_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;
+
+    src1_offset_ = this->rng_(33);
+    src1_stride_ = this->rng_(kMaxWidth + 1 - w_) + w_;
+
+    mask_stride_ =
+        this->rng_(kMaxWidth + 1 - w_ * (subx_ ? 2 : 1)) + w_ * (subx_ ? 2 : 1);
+
+    T *p_src0;
+    T *p_src1;
+
+    switch (this->rng_(3)) {
+      case 0:  // Separate sources
+        p_src0 = src0_;
+        p_src1 = src1_;
+        break;
+      case 1:  // src0 == dst
+        p_src0 = dst_tst_;
+        src0_stride_ = dst_stride_;
+        src0_offset_ = dst_offset_;
+        p_src1 = src1_;
+        break;
+      case 2:  // src1 == dst
+        p_src0 = src0_;
+        p_src1 = dst_tst_;
+        src1_stride_ = dst_stride_;
+        src1_offset_ = dst_offset_;
+        break;
+      default: FAIL();
+    }
+
+    Execute(p_src0, p_src1);
+
+    for (int r = 0; r < h_; ++r) {
+      for (int c = 0; c < w_; ++c) {
+        ASSERT_EQ(dst_ref_[dst_offset_ + r * dst_stride_ + c],
+                  dst_tst_[dst_offset_ + r * dst_stride_ + c]);
+      }
+    }
+  }
+
+  T dst_ref_[kBufSize];
+  T dst_tst_[kBufSize];
+  uint32_t dst_stride_;
+  uint32_t dst_offset_;
+
+  T src0_[kBufSize];
+  uint32_t src0_stride_;
+  uint32_t src0_offset_;
+
+  T src1_[kBufSize];
+  uint32_t src1_stride_;
+  uint32_t src1_offset_;
+
+  uint8_t mask_[kMaxMaskSize];
+  size_t mask_stride_;
+
+  int w_;
+  int h_;
+
+  int suby_;
+  int subx_;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+// 8 bit version
+//////////////////////////////////////////////////////////////////////////////
+
+typedef void (*F8B)(uint8_t *dst, uint32_t dst_stride, const uint8_t *src0,
+                    uint32_t src0_stride, const uint8_t *src1,
+                    uint32_t src1_stride, const uint8_t *mask,
+                    uint32_t mask_stride, int h, int w, int suby, int subx);
+typedef libaom_test::FuncParam<F8B> TestFuncs;
+
+class BlendA64MaskTest8B : public BlendA64MaskTest<F8B, uint8_t> {
+ protected:
+  void Execute(const uint8_t *p_src0, const uint8_t *p_src1) {
+    params_.ref_func(dst_ref_ + dst_offset_, dst_stride_, p_src0 + src0_offset_,
+                     src0_stride_, p_src1 + src1_offset_, src1_stride_, mask_,
+                     kMaxMaskWidth, h_, w_, suby_, subx_);
+    ASM_REGISTER_STATE_CHECK(params_.tst_func(
+        dst_tst_ + dst_offset_, dst_stride_, p_src0 + src0_offset_,
+        src0_stride_, p_src1 + src1_offset_, src1_stride_, mask_, kMaxMaskWidth,
+        h_, w_, suby_, subx_));
+  }
+};
+
+TEST_P(BlendA64MaskTest8B, RandomValues) {
+  for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
+    for (int i = 0; i < kBufSize; ++i) {
+      dst_ref_[i] = rng_.Rand8();
+      dst_tst_[i] = rng_.Rand8();
+
+      src0_[i] = rng_.Rand8();
+      src1_[i] = rng_.Rand8();
+    }
+
+    for (int i = 0; i < kMaxMaskSize; ++i)
+      mask_[i] = rng_(AOM_BLEND_A64_MAX_ALPHA + 1);
+
+    Common();
+  }
+}
+
+TEST_P(BlendA64MaskTest8B, ExtremeValues) {
+  for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
+    for (int i = 0; i < kBufSize; ++i) {
+      dst_ref_[i] = rng_(2) + 254;
+      dst_tst_[i] = rng_(2) + 254;
+      src0_[i] = rng_(2) + 254;
+      src1_[i] = rng_(2) + 254;
+    }
+
+    for (int i = 0; i < kMaxMaskSize; ++i)
+      mask_[i] = rng_(2) + AOM_BLEND_A64_MAX_ALPHA - 1;
+
+    Common();
+  }
+}
+
+#if HAVE_SSE4_1
+INSTANTIATE_TEST_CASE_P(SSE4_1, BlendA64MaskTest8B,
+                        ::testing::Values(TestFuncs(
+                            aom_blend_a64_mask_c, aom_blend_a64_mask_sse4_1)));
+#endif  // HAVE_SSE4_1
+
+#if CONFIG_HIGHBITDEPTH
+//////////////////////////////////////////////////////////////////////////////
+// High bit-depth version
+//////////////////////////////////////////////////////////////////////////////
+
+typedef void (*FHBD)(uint8_t *dst, uint32_t dst_stride, const uint8_t *src0,
+                     uint32_t src0_stride, const uint8_t *src1,
+                     uint32_t src1_stride, const uint8_t *mask,
+                     uint32_t mask_stride, int h, int w, int suby, int subx,
+                     int bd);
+typedef libaom_test::FuncParam<FHBD> TestFuncsHBD;
+
+class BlendA64MaskTestHBD : public BlendA64MaskTest<FHBD, uint16_t> {
+ protected:
+  void Execute(const uint16_t *p_src0, const uint16_t *p_src1) {
+    params_.ref_func(CONVERT_TO_BYTEPTR(dst_ref_ + dst_offset_), dst_stride_,
+                     CONVERT_TO_BYTEPTR(p_src0 + src0_offset_), src0_stride_,
+                     CONVERT_TO_BYTEPTR(p_src1 + src1_offset_), src1_stride_,
+                     mask_, kMaxMaskWidth, h_, w_, suby_, subx_, bit_depth_);
+    ASM_REGISTER_STATE_CHECK(params_.tst_func(
+        CONVERT_TO_BYTEPTR(dst_tst_ + dst_offset_), dst_stride_,
+        CONVERT_TO_BYTEPTR(p_src0 + src0_offset_), src0_stride_,
+        CONVERT_TO_BYTEPTR(p_src1 + src1_offset_), src1_stride_, mask_,
+        kMaxMaskWidth, h_, w_, suby_, subx_, bit_depth_));
+  }
+
+  int bit_depth_;
+};
+
+TEST_P(BlendA64MaskTestHBD, RandomValues) {
+  for (int iter = 0; iter < kIterations && !HasFatalFailure(); ++iter) {
+    switch (rng_(3)) {
+      case 0: bit_depth_ = 8; break;
+      case 1: bit_depth_ = 10; break;
+      default: bit_depth_ = 12; break;
+    }
+
+    const int hi = 1 << bit_depth_;
+
+    for (int i = 0; i < kBufSize; ++i) {
+      dst_ref_[i] = rng_(hi);
+      dst_tst_[i] = rng_(hi);
+      src0_[i] = rng_(hi);
+      src1_[i] = rng_(hi);
+    }
+
+    for (int i = 0; i < kMaxMaskSize; ++i)
+      mask_[i] = rng_(AOM_BLEND_A64_MAX_ALPHA + 1);
+
+    Common();
+  }
+}
+
+TEST_P(BlendA64MaskTestHBD, ExtremeValues) {
+  for (int iter = 0; iter < 1000 && !HasFatalFailure(); ++iter) {
+    switch (rng_(3)) {
+      case 0: bit_depth_ = 8; break;
+      case 1: bit_depth_ = 10; break;
+      default: bit_depth_ = 12; break;
+    }
+
+    const int hi = 1 << bit_depth_;
+    const int lo = hi - 2;
+
+    for (int i = 0; i < kBufSize; ++i) {
+      dst_ref_[i] = rng_(hi - lo) + lo;
+      dst_tst_[i] = rng_(hi - lo) + lo;
+      src0_[i] = rng_(hi - lo) + lo;
+      src1_[i] = rng_(hi - lo) + lo;
+    }
+
+    for (int i = 0; i < kMaxMaskSize; ++i)
+      mask_[i] = rng_(2) + AOM_BLEND_A64_MAX_ALPHA - 1;
+
+    Common();
+  }
+}
+
+#if HAVE_SSE4_1
+INSTANTIATE_TEST_CASE_P(
+    SSE4_1, BlendA64MaskTestHBD,
+    ::testing::Values(TestFuncsHBD(aom_highbd_blend_a64_mask_c,
+                                   aom_highbd_blend_a64_mask_sse4_1)));
+#endif  // HAVE_SSE4_1
+#endif  // CONFIG_HIGHBITDEPTH
+}  // namespace