2 * Copyright (c) 2012 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.
13 #include "third_party/googletest/src/include/gtest/gtest.h"
15 #include "./vpx_config.h"
17 #include "test/md5_helper.h"
18 #include "test/util.h"
19 #include "test/y4m_video_source.h"
25 static const unsigned int kWidth = 160;
26 static const unsigned int kHeight = 90;
27 static const unsigned int kFrames = 10;
31 unsigned int bit_depth;
36 const Y4mTestParam kY4mTestVectors[] = {
37 { "park_joy_90p_8_420.y4m", 8, VPX_IMG_FMT_I420,
38 "e5406275b9fc6bb3436c31d4a05c1cab" },
39 { "park_joy_90p_8_422.y4m", 8, VPX_IMG_FMT_I422,
40 "284a47a47133b12884ec3a14e959a0b6" },
41 { "park_joy_90p_8_444.y4m", 8, VPX_IMG_FMT_I444,
42 "90517ff33843d85de712fd4fe60dbed0" },
43 { "park_joy_90p_10_420_20f.y4m", 10, VPX_IMG_FMT_I42016,
44 "2f56ab9809269f074df7e3daf1ce0be6" },
45 { "park_joy_90p_10_422_20f.y4m", 10, VPX_IMG_FMT_I42216,
46 "1b5c73d2e8e8c4e02dc4889ecac41c83" },
47 { "park_joy_90p_10_444_20f.y4m", 10, VPX_IMG_FMT_I44416,
48 "ec4ab5be53195c5b838d1d19e1bc2674" },
49 { "park_joy_90p_12_420_20f.y4m", 12, VPX_IMG_FMT_I42016,
50 "3370856c8ddebbd1f9bb2e66f97677f4" },
51 { "park_joy_90p_12_422_20f.y4m", 12, VPX_IMG_FMT_I42216,
52 "4eab364318dd8201acbb182e43bd4966" },
53 { "park_joy_90p_12_444_20f.y4m", 12, VPX_IMG_FMT_I44416,
54 "f189dfbbd92119fc8e5f211a550166be" },
57 static void write_image_file(const vpx_image_t *img, FILE *file) {
59 for (plane = 0; plane < 3; ++plane) {
60 const unsigned char *buf = img->planes[plane];
61 const int stride = img->stride[plane];
62 const int bytes_per_sample = (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1;
64 (plane ? (img->d_h + img->y_chroma_shift) >> img->y_chroma_shift
67 (plane ? (img->d_w + img->x_chroma_shift) >> img->x_chroma_shift
69 for (y = 0; y < h; ++y) {
70 fwrite(buf, bytes_per_sample, w, file);
76 class Y4mVideoSourceTest : public ::testing::TestWithParam<Y4mTestParam>,
77 public ::libvpx_test::Y4mVideoSource {
79 Y4mVideoSourceTest() : Y4mVideoSource("", 0, 0) {}
81 virtual ~Y4mVideoSourceTest() { CloseSource(); }
83 virtual void Init(const std::string &file_name, int limit) {
84 file_name_ = file_name;
91 // Checks y4m header information
92 void HeaderChecks(unsigned int bit_depth, vpx_img_fmt_t fmt) {
93 ASSERT_NE(input_file_, nullptr);
94 ASSERT_EQ(y4m_.pic_w, (int)kWidth);
95 ASSERT_EQ(y4m_.pic_h, (int)kHeight);
96 ASSERT_EQ(img()->d_w, kWidth);
97 ASSERT_EQ(img()->d_h, kHeight);
98 ASSERT_EQ(y4m_.bit_depth, bit_depth);
99 ASSERT_EQ(y4m_.vpx_fmt, fmt);
100 if (fmt == VPX_IMG_FMT_I420 || fmt == VPX_IMG_FMT_I42016) {
101 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 3 / 2);
102 ASSERT_EQ(img()->x_chroma_shift, 1U);
103 ASSERT_EQ(img()->y_chroma_shift, 1U);
105 if (fmt == VPX_IMG_FMT_I422 || fmt == VPX_IMG_FMT_I42216) {
106 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 2);
107 ASSERT_EQ(img()->x_chroma_shift, 1U);
108 ASSERT_EQ(img()->y_chroma_shift, 0U);
110 if (fmt == VPX_IMG_FMT_I444 || fmt == VPX_IMG_FMT_I44416) {
111 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 3);
112 ASSERT_EQ(img()->x_chroma_shift, 0U);
113 ASSERT_EQ(img()->y_chroma_shift, 0U);
117 // Checks MD5 of the raw frame data
118 void Md5Check(const string &expected_md5) {
119 ASSERT_NE(input_file_, nullptr);
120 libvpx_test::MD5 md5;
121 for (unsigned int i = start_; i < limit_; i++) {
125 ASSERT_EQ(string(md5.Get()), expected_md5);
129 TEST_P(Y4mVideoSourceTest, SourceTest) {
130 const Y4mTestParam t = GetParam();
131 Init(t.filename, kFrames);
132 HeaderChecks(t.bit_depth, t.format);
136 INSTANTIATE_TEST_SUITE_P(C, Y4mVideoSourceTest,
137 ::testing::ValuesIn(kY4mTestVectors));
139 class Y4mVideoWriteTest : public Y4mVideoSourceTest {
141 Y4mVideoWriteTest() : tmpfile_(nullptr) {}
143 virtual ~Y4mVideoWriteTest() {
145 input_file_ = nullptr;
148 void ReplaceInputFile(FILE *input_file) {
151 input_file_ = input_file;
156 // Writes out a y4m file and then reads it back
157 void WriteY4mAndReadBack() {
158 ASSERT_NE(input_file_, nullptr);
159 char buf[Y4M_BUFFER_SIZE] = { 0 };
160 const struct VpxRational framerate = { y4m_.fps_n, y4m_.fps_d };
161 tmpfile_ = new libvpx_test::TempOutFile;
162 ASSERT_NE(tmpfile_->file(), nullptr);
163 y4m_write_file_header(buf, sizeof(buf), kWidth, kHeight, &framerate,
164 y4m_.vpx_fmt, y4m_.bit_depth);
165 fputs(buf, tmpfile_->file());
166 for (unsigned int i = start_; i < limit_; i++) {
167 y4m_write_frame_header(buf, sizeof(buf));
168 fputs(buf, tmpfile_->file());
169 write_image_file(img(), tmpfile_->file());
172 ReplaceInputFile(tmpfile_->file());
175 virtual void Init(const std::string &file_name, int limit) {
176 Y4mVideoSourceTest::Init(file_name, limit);
177 WriteY4mAndReadBack();
179 libvpx_test::TempOutFile *tmpfile_;
182 TEST_P(Y4mVideoWriteTest, WriteTest) {
183 const Y4mTestParam t = GetParam();
184 Init(t.filename, kFrames);
185 HeaderChecks(t.bit_depth, t.format);
189 INSTANTIATE_TEST_SUITE_P(C, Y4mVideoWriteTest,
190 ::testing::ValuesIn(kY4mTestVectors));