2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #include "./vpx_config.h"
12 #include "./vp8_rtcd.h"
14 #include "third_party/googletest/src/include/gtest/gtest.h"
16 #include "test/buffer.h"
17 #include "test/clear_system_state.h"
18 #include "test/register_state_check.h"
19 #include "vpx/vpx_integer.h"
21 typedef void (*IdctFunc)(int16_t *input, unsigned char *pred_ptr,
22 int pred_stride, unsigned char *dst_ptr,
26 using libvpx_test::Buffer;
28 class IDCTTest : public ::testing::TestWithParam<IdctFunc> {
30 virtual void SetUp() {
33 input = new (std::nothrow) Buffer<int16_t>(4, 4, 0);
34 ASSERT_TRUE(input->Init());
35 predict = new (std::nothrow) Buffer<uint8_t>(4, 4, 3);
36 ASSERT_TRUE(predict->Init());
37 output = new (std::nothrow) Buffer<uint8_t>(4, 4, 3);
38 ASSERT_TRUE(output->Init());
41 virtual void TearDown() {
45 libvpx_test::ClearSystemState();
49 Buffer<int16_t> *input;
50 Buffer<uint8_t> *predict;
51 Buffer<uint8_t> *output;
54 TEST_P(IDCTTest, TestAllZeros) {
55 // When the input is '0' the output will be '0'.
60 ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
61 predict->stride(), output->TopLeftPixel(),
64 ASSERT_TRUE(input->CheckValues(0));
65 ASSERT_TRUE(input->CheckPadding());
66 ASSERT_TRUE(output->CheckValues(0));
67 ASSERT_TRUE(output->CheckPadding());
70 TEST_P(IDCTTest, TestAllOnes) {
72 // When the first element is '4' it will fill the output buffer with '1'.
73 input->TopLeftPixel()[0] = 4;
77 ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
78 predict->stride(), output->TopLeftPixel(),
81 ASSERT_TRUE(output->CheckValues(1));
82 ASSERT_TRUE(output->CheckPadding());
85 TEST_P(IDCTTest, TestAddOne) {
86 // Set the transform output to '1' and make sure it gets added to the
89 input->TopLeftPixel()[0] = 4;
92 uint8_t *pred = predict->TopLeftPixel();
93 for (int y = 0; y < 4; ++y) {
94 for (int x = 0; x < 4; ++x) {
95 pred[y * predict->stride() + x] = y * 4 + x;
99 ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
100 predict->stride(), output->TopLeftPixel(),
103 uint8_t const *out = output->TopLeftPixel();
104 for (int y = 0; y < 4; ++y) {
105 for (int x = 0; x < 4; ++x) {
106 EXPECT_EQ(1 + y * 4 + x, out[y * output->stride() + x]);
111 output->DumpBuffer();
114 ASSERT_TRUE(output->CheckPadding());
117 TEST_P(IDCTTest, TestWithData) {
118 // Test a single known input.
121 int16_t *in = input->TopLeftPixel();
122 for (int y = 0; y < 4; ++y) {
123 for (int x = 0; x < 4; ++x) {
124 in[y * input->stride() + x] = y * 4 + x;
128 ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
129 predict->stride(), output->TopLeftPixel(),
132 uint8_t *out = output->TopLeftPixel();
133 for (int y = 0; y < 4; ++y) {
134 for (int x = 0; x < 4; ++x) {
136 case 0: EXPECT_EQ(11, out[y * output->stride() + x]); break;
139 case 8: EXPECT_EQ(3, out[y * output->stride() + x]); break;
140 case 10: EXPECT_EQ(1, out[y * output->stride() + x]); break;
141 default: EXPECT_EQ(0, out[y * output->stride() + x]);
147 output->DumpBuffer();
150 ASSERT_TRUE(output->CheckPadding());
153 INSTANTIATE_TEST_CASE_P(C, IDCTTest, ::testing::Values(vp8_short_idct4x4llm_c));
156 INSTANTIATE_TEST_CASE_P(NEON, IDCTTest,
157 ::testing::Values(vp8_short_idct4x4llm_neon));
161 INSTANTIATE_TEST_CASE_P(MMX, IDCTTest,
162 ::testing::Values(vp8_short_idct4x4llm_mmx));
166 INSTANTIATE_TEST_CASE_P(MSA, IDCTTest,
167 ::testing::Values(vp8_short_idct4x4llm_msa));