ref: 67aa6c8c23bc6ca90cfde756015f0aae61fe20f7
dir: /test/idct_test.cc/
/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include "./vpx_config.h" #include "./vp8_rtcd.h" #include "third_party/googletest/src/include/gtest/gtest.h" #include "test/buffer.h" #include "test/clear_system_state.h" #include "test/register_state_check.h" #include "vpx/vpx_integer.h" typedef void (*IdctFunc)(int16_t *input, unsigned char *pred_ptr, int pred_stride, unsigned char *dst_ptr, int dst_stride); namespace { using libvpx_test::Buffer; class IDCTTest : public ::testing::TestWithParam<IdctFunc> { protected: virtual void SetUp() { UUT = GetParam(); input = new Buffer<int16_t>(4, 4, 0); ASSERT_TRUE(input != NULL); ASSERT_TRUE(input->Init()); predict = new Buffer<uint8_t>(4, 4, 3); ASSERT_TRUE(predict != NULL); ASSERT_TRUE(predict->Init()); output = new Buffer<uint8_t>(4, 4, 3); ASSERT_TRUE(output != NULL); ASSERT_TRUE(output->Init()); } virtual void TearDown() { delete input; delete predict; delete output; libvpx_test::ClearSystemState(); } IdctFunc UUT; Buffer<int16_t> *input; Buffer<uint8_t> *predict; Buffer<uint8_t> *output; }; TEST_P(IDCTTest, TestAllZeros) { // When the input is '0' the output will be '0'. input->Set(0); predict->Set(0); output->Set(0); ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(), predict->stride(), output->TopLeftPixel(), output->stride())); ASSERT_TRUE(input->CheckValues(0)); ASSERT_TRUE(input->CheckPadding()); ASSERT_TRUE(output->CheckValues(0)); ASSERT_TRUE(output->CheckPadding()); } TEST_P(IDCTTest, TestAllOnes) { input->Set(0); ASSERT_TRUE(input->TopLeftPixel() != NULL); // When the first element is '4' it will fill the output buffer with '1'. input->TopLeftPixel()[0] = 4; predict->Set(0); output->Set(0); ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(), predict->stride(), output->TopLeftPixel(), output->stride())); ASSERT_TRUE(output->CheckValues(1)); ASSERT_TRUE(output->CheckPadding()); } TEST_P(IDCTTest, TestAddOne) { // Set the transform output to '1' and make sure it gets added to the // prediction buffer. input->Set(0); ASSERT_TRUE(input->TopLeftPixel() != NULL); input->TopLeftPixel()[0] = 4; output->Set(0); uint8_t *pred = predict->TopLeftPixel(); for (int y = 0; y < 4; ++y) { for (int x = 0; x < 4; ++x) { pred[y * predict->stride() + x] = y * 4 + x; } } ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(), predict->stride(), output->TopLeftPixel(), output->stride())); uint8_t const *out = output->TopLeftPixel(); for (int y = 0; y < 4; ++y) { for (int x = 0; x < 4; ++x) { EXPECT_EQ(1 + y * 4 + x, out[y * output->stride() + x]); } } if (HasFailure()) { output->DumpBuffer(); } ASSERT_TRUE(output->CheckPadding()); } TEST_P(IDCTTest, TestWithData) { // Test a single known input. predict->Set(0); int16_t *in = input->TopLeftPixel(); for (int y = 0; y < 4; ++y) { for (int x = 0; x < 4; ++x) { in[y * input->stride() + x] = y * 4 + x; } } ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(), predict->stride(), output->TopLeftPixel(), output->stride())); uint8_t *out = output->TopLeftPixel(); for (int y = 0; y < 4; ++y) { for (int x = 0; x < 4; ++x) { switch (y * 4 + x) { case 0: EXPECT_EQ(11, out[y * output->stride() + x]); break; case 2: case 5: case 8: EXPECT_EQ(3, out[y * output->stride() + x]); break; case 10: EXPECT_EQ(1, out[y * output->stride() + x]); break; default: EXPECT_EQ(0, out[y * output->stride() + x]); } } } if (HasFailure()) { output->DumpBuffer(); } ASSERT_TRUE(output->CheckPadding()); } INSTANTIATE_TEST_CASE_P(C, IDCTTest, ::testing::Values(vp8_short_idct4x4llm_c)); #if HAVE_NEON INSTANTIATE_TEST_CASE_P(NEON, IDCTTest, ::testing::Values(vp8_short_idct4x4llm_neon)); #endif // HAVE_NEON #if HAVE_MMX INSTANTIATE_TEST_CASE_P(MMX, IDCTTest, ::testing::Values(vp8_short_idct4x4llm_mmx)); #endif // HAVE_MMX #if HAVE_MSA INSTANTIATE_TEST_CASE_P(MSA, IDCTTest, ::testing::Values(vp8_short_idct4x4llm_msa)); #endif // HAVE_MSA #if HAVE_MMI INSTANTIATE_TEST_CASE_P(MMI, IDCTTest, ::testing::Values(vp8_short_idct4x4llm_mmi)); #endif // HAVE_MMI } // namespace