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 Buffer<int16_t>(4, 4, 0);
34 ASSERT_TRUE(input != NULL);
35 ASSERT_TRUE(input->Init());
36 predict = new Buffer<uint8_t>(4, 4, 3);
37 ASSERT_TRUE(predict != NULL);
38 ASSERT_TRUE(predict->Init());
39 output = new Buffer<uint8_t>(4, 4, 3);
40 ASSERT_TRUE(output != NULL);
41 ASSERT_TRUE(output->Init());
44 virtual void TearDown() {
48 libvpx_test::ClearSystemState();
52 Buffer<int16_t> *input;
53 Buffer<uint8_t> *predict;
54 Buffer<uint8_t> *output;
57 TEST_P(IDCTTest, TestAllZeros) {
58 // When the input is '0' the output will be '0'.
63 ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
64 predict->stride(), output->TopLeftPixel(),
67 ASSERT_TRUE(input->CheckValues(0));
68 ASSERT_TRUE(input->CheckPadding());
69 ASSERT_TRUE(output->CheckValues(0));
70 ASSERT_TRUE(output->CheckPadding());
73 TEST_P(IDCTTest, TestAllOnes) {
75 // When the first element is '4' it will fill the output buffer with '1'.
76 input->TopLeftPixel()[0] = 4;
80 ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
81 predict->stride(), output->TopLeftPixel(),
84 ASSERT_TRUE(output->CheckValues(1));
85 ASSERT_TRUE(output->CheckPadding());
88 TEST_P(IDCTTest, TestAddOne) {
89 // Set the transform output to '1' and make sure it gets added to the
92 input->TopLeftPixel()[0] = 4;
95 uint8_t *pred = predict->TopLeftPixel();
96 for (int y = 0; y < 4; ++y) {
97 for (int x = 0; x < 4; ++x) {
98 pred[y * predict->stride() + x] = y * 4 + x;
102 ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
103 predict->stride(), output->TopLeftPixel(),
106 uint8_t const *out = output->TopLeftPixel();
107 for (int y = 0; y < 4; ++y) {
108 for (int x = 0; x < 4; ++x) {
109 EXPECT_EQ(1 + y * 4 + x, out[y * output->stride() + x]);
114 output->DumpBuffer();
117 ASSERT_TRUE(output->CheckPadding());
120 TEST_P(IDCTTest, TestWithData) {
121 // Test a single known input.
124 int16_t *in = input->TopLeftPixel();
125 for (int y = 0; y < 4; ++y) {
126 for (int x = 0; x < 4; ++x) {
127 in[y * input->stride() + x] = y * 4 + x;
131 ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
132 predict->stride(), output->TopLeftPixel(),
135 uint8_t *out = output->TopLeftPixel();
136 for (int y = 0; y < 4; ++y) {
137 for (int x = 0; x < 4; ++x) {
139 case 0: EXPECT_EQ(11, out[y * output->stride() + x]); break;
142 case 8: EXPECT_EQ(3, out[y * output->stride() + x]); break;
143 case 10: EXPECT_EQ(1, out[y * output->stride() + x]); break;
144 default: EXPECT_EQ(0, out[y * output->stride() + x]);
150 output->DumpBuffer();
153 ASSERT_TRUE(output->CheckPadding());
156 INSTANTIATE_TEST_CASE_P(C, IDCTTest, ::testing::Values(vp8_short_idct4x4llm_c));
159 INSTANTIATE_TEST_CASE_P(NEON, IDCTTest,
160 ::testing::Values(vp8_short_idct4x4llm_neon));
164 INSTANTIATE_TEST_CASE_P(MMX, IDCTTest,
165 ::testing::Values(vp8_short_idct4x4llm_mmx));
169 INSTANTIATE_TEST_CASE_P(MSA, IDCTTest,
170 ::testing::Values(vp8_short_idct4x4llm_msa));