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authortrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
committertrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
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+/*
+ * 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.
+ */
+
+#ifndef TEST_FUNCTION_EQUIVALENCE_TEST_H_
+#define TEST_FUNCTION_EQUIVALENCE_TEST_H_
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "test/acm_random.h"
+#include "test/clear_system_state.h"
+#include "test/util.h"
+
+using libaom_test::ACMRandom;
+
+namespace libaom_test {
+// Base class for tests that compare 2 implementations of the same function
+// for equivalence. The template parameter should be pointer to a function
+// that is being tested.
+//
+// The test takes a 3-parameters encapsulating struct 'FuncParam', containing:
+// - Pointer to reference function
+// - Pointer to tested function
+// - Integer bit depth (default to 0).
+//
+// These values are then accessible in the tests as member of params_:
+// params_.ref_func, params_.tst_func, and params_.bit_depth.
+//
+
+template <typename T>
+struct FuncParam {
+ FuncParam(T ref = NULL, T tst = NULL, int bit_depth = 0)
+ : ref_func(ref), tst_func(tst), bit_depth(bit_depth) {}
+ T ref_func;
+ T tst_func;
+ int bit_depth;
+};
+
+template <typename T>
+std::ostream &operator<<(std::ostream &os, const FuncParam<T> &p) {
+ return os << "bit_depth:" << p.bit_depth
+ << " function:" << reinterpret_cast<const void *>(p.ref_func)
+ << " function:" << reinterpret_cast<const void *>(p.tst_func);
+}
+
+template <typename T>
+class FunctionEquivalenceTest : public ::testing::TestWithParam<FuncParam<T> > {
+ public:
+ FunctionEquivalenceTest() : rng_(ACMRandom::DeterministicSeed()) {}
+
+ virtual ~FunctionEquivalenceTest() {}
+
+ virtual void SetUp() { params_ = this->GetParam(); }
+
+ virtual void TearDown() { libaom_test::ClearSystemState(); }
+
+ protected:
+ ACMRandom rng_;
+ FuncParam<T> params_;
+};
+
+} // namespace libaom_test
+#endif // TEST_FUNCTION_EQUIVALENCE_TEST_H_