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.
12 #include "test/md5_helper.h"
13 #include "test/util.h"
14 #include "test/y4m_video_source.h"
15 #include "third_party/googletest/src/include/gtest/gtest.h"
16 #include "./vpx_config.h"
23 static const unsigned int kWidth = 160;
24 static const unsigned int kHeight = 90;
25 static const unsigned int kFrames = 10;
29 unsigned int bit_depth;
34 const Y4mTestParam kY4mTestVectors[] = {
35 {"park_joy_90p_8_420.y4m", 8, VPX_IMG_FMT_I420,
36 "e5406275b9fc6bb3436c31d4a05c1cab"},
37 {"park_joy_90p_8_422.y4m", 8, VPX_IMG_FMT_I422,
38 "284a47a47133b12884ec3a14e959a0b6"},
39 {"park_joy_90p_8_444.y4m", 8, VPX_IMG_FMT_I444,
40 "90517ff33843d85de712fd4fe60dbed0"},
41 {"park_joy_90p_10_420.y4m", 10, VPX_IMG_FMT_I42016,
42 "63f21f9f717d8b8631bd2288ee87137b"},
43 {"park_joy_90p_10_422.y4m", 10, VPX_IMG_FMT_I42216,
44 "48ab51fb540aed07f7ff5af130c9b605"},
45 {"park_joy_90p_10_444.y4m", 10, VPX_IMG_FMT_I44416,
46 "067bfd75aa85ff9bae91fa3e0edd1e3e"},
47 {"park_joy_90p_12_420.y4m", 12, VPX_IMG_FMT_I42016,
48 "9e6d8f6508c6e55625f6b697bc461cef"},
49 {"park_joy_90p_12_422.y4m", 12, VPX_IMG_FMT_I42216,
50 "b239c6b301c0b835485be349ca83a7e3"},
51 {"park_joy_90p_12_444.y4m", 12, VPX_IMG_FMT_I44416,
52 "5a6481a550821dab6d0192f5c63845e9"},
55 static void write_image_file(const vpx_image_t *img, FILE *file) {
57 for (plane = 0; plane < 3; ++plane) {
58 const unsigned char *buf = img->planes[plane];
59 const int stride = img->stride[plane];
60 const int bytes_per_sample = (img->fmt & VPX_IMG_FMT_HIGH) ? 2 : 1;
61 const int h = (plane ? (img->d_h + img->y_chroma_shift) >>
62 img->y_chroma_shift : img->d_h);
63 const int w = (plane ? (img->d_w + img->x_chroma_shift) >>
64 img->x_chroma_shift : img->d_w);
65 for (y = 0; y < h; ++y) {
66 fwrite(buf, bytes_per_sample, w, file);
72 class Y4mVideoSourceTest
73 : public ::testing::TestWithParam<Y4mTestParam>,
74 public ::libvpx_test::Y4mVideoSource {
76 Y4mVideoSourceTest() : Y4mVideoSource("", 0, 0) {}
78 virtual ~Y4mVideoSourceTest() {
82 virtual void Init(const std::string &file_name, int limit) {
83 file_name_ = file_name;
90 // Checks y4m header information
91 void HeaderChecks(unsigned int bit_depth, vpx_img_fmt_t fmt) {
92 ASSERT_TRUE(input_file_ != NULL);
93 ASSERT_EQ(y4m_.pic_w, (int)kWidth);
94 ASSERT_EQ(y4m_.pic_h, (int)kHeight);
95 ASSERT_EQ(img()->d_w, kWidth);
96 ASSERT_EQ(img()->d_h, kHeight);
97 ASSERT_EQ(y4m_.bit_depth, bit_depth);
98 ASSERT_EQ(y4m_.vpx_fmt, fmt);
99 if (fmt == VPX_IMG_FMT_I420 || fmt == VPX_IMG_FMT_I42016) {
100 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 3 / 2);
101 ASSERT_EQ(img()->x_chroma_shift, 1U);
102 ASSERT_EQ(img()->y_chroma_shift, 1U);
104 if (fmt == VPX_IMG_FMT_I422 || fmt == VPX_IMG_FMT_I42216) {
105 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 2);
106 ASSERT_EQ(img()->x_chroma_shift, 1U);
107 ASSERT_EQ(img()->y_chroma_shift, 0U);
109 if (fmt == VPX_IMG_FMT_I444 || fmt == VPX_IMG_FMT_I44416) {
110 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 3);
111 ASSERT_EQ(img()->x_chroma_shift, 0U);
112 ASSERT_EQ(img()->y_chroma_shift, 0U);
116 // Checks MD5 of the raw frame data
117 void Md5Check(const string &expected_md5) {
118 ASSERT_TRUE(input_file_ != NULL);
119 libvpx_test::MD5 md5;
120 for (unsigned int i = start_; i < limit_; i++) {
124 ASSERT_EQ(string(md5.Get()), expected_md5);
128 TEST_P(Y4mVideoSourceTest, SourceTest) {
129 const Y4mTestParam t = GetParam();
130 Init(t.filename, kFrames);
131 HeaderChecks(t.bit_depth, t.format);
135 INSTANTIATE_TEST_CASE_P(C, Y4mVideoSourceTest,
136 ::testing::ValuesIn(kY4mTestVectors));
138 class Y4mVideoWriteTest
139 : public Y4mVideoSourceTest {
141 Y4mVideoWriteTest() {}
143 virtual ~Y4mVideoWriteTest() {
148 // Writes out a y4m file and then reads it back
149 void WriteY4mAndReadBack() {
150 ASSERT_TRUE(input_file_ != NULL);
151 char buf[Y4M_BUFFER_SIZE] = {0};
152 const struct VpxRational framerate = {y4m_.fps_n, y4m_.fps_d};
153 tmpfile_ = new libvpx_test::TempOutFile;
154 ASSERT_TRUE(tmpfile_->file() != NULL);
155 y4m_write_file_header(buf, sizeof(buf),
157 &framerate, y4m_.vpx_fmt,
159 fputs(buf, tmpfile_->file());
160 for (unsigned int i = start_; i < limit_; i++) {
161 y4m_write_frame_header(buf, sizeof(buf));
162 fputs(buf, tmpfile_->file());
163 write_image_file(img(), tmpfile_->file());
166 tmpfile_->CloseFile();
167 Y4mVideoSourceTest::Init(tmpfile_->file_name(), limit_);
170 virtual void Init(const std::string &file_name, int limit) {
171 Y4mVideoSourceTest::Init(file_name, limit);
172 WriteY4mAndReadBack();
174 libvpx_test::TempOutFile *tmpfile_;
177 TEST_P(Y4mVideoWriteTest, WriteTest) {
178 const Y4mTestParam t = GetParam();
179 Init(t.filename, kFrames);
180 HeaderChecks(t.bit_depth, t.format);
184 INSTANTIATE_TEST_CASE_P(C, Y4mVideoWriteTest,
185 ::testing::ValuesIn(kY4mTestVectors));