1/* 2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved. 3 * 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. 9 */ 10 11#include <string> 12 13#include "third_party/googletest/src/include/gtest/gtest.h" 14 15#include "./vpx_config.h" 16#include "./y4menc.h" 17#include "test/md5_helper.h" 18#include "test/util.h" 19#include "test/y4m_video_source.h" 20 21namespace { 22 23using std::string; 24 25static const unsigned int kWidth = 160; 26static const unsigned int kHeight = 90; 27static const unsigned int kFrames = 10; 28 29struct Y4mTestParam { 30 const char *filename; 31 unsigned int bit_depth; 32 vpx_img_fmt format; 33 const char *md5raw; 34}; 35 36const 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.y4m", 10, VPX_IMG_FMT_I42016, 44 "63f21f9f717d8b8631bd2288ee87137b"}, 45 {"park_joy_90p_10_422.y4m", 10, VPX_IMG_FMT_I42216, 46 "48ab51fb540aed07f7ff5af130c9b605"}, 47 {"park_joy_90p_10_444.y4m", 10, VPX_IMG_FMT_I44416, 48 "067bfd75aa85ff9bae91fa3e0edd1e3e"}, 49 {"park_joy_90p_12_420.y4m", 12, VPX_IMG_FMT_I42016, 50 "9e6d8f6508c6e55625f6b697bc461cef"}, 51 {"park_joy_90p_12_422.y4m", 12, VPX_IMG_FMT_I42216, 52 "b239c6b301c0b835485be349ca83a7e3"}, 53 {"park_joy_90p_12_444.y4m", 12, VPX_IMG_FMT_I44416, 54 "5a6481a550821dab6d0192f5c63845e9"}, 55}; 56 57static void write_image_file(const vpx_image_t *img, FILE *file) { 58 int plane, y; 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; 63 const int h = (plane ? (img->d_h + img->y_chroma_shift) >> 64 img->y_chroma_shift : img->d_h); 65 const int w = (plane ? (img->d_w + img->x_chroma_shift) >> 66 img->x_chroma_shift : img->d_w); 67 for (y = 0; y < h; ++y) { 68 fwrite(buf, bytes_per_sample, w, file); 69 buf += stride; 70 } 71 } 72} 73 74class Y4mVideoSourceTest 75 : public ::testing::TestWithParam<Y4mTestParam>, 76 public ::libvpx_test::Y4mVideoSource { 77 protected: 78 Y4mVideoSourceTest() : Y4mVideoSource("", 0, 0) {} 79 80 virtual ~Y4mVideoSourceTest() { 81 CloseSource(); 82 } 83 84 virtual void Init(const std::string &file_name, int limit) { 85 file_name_ = file_name; 86 start_ = 0; 87 limit_ = limit; 88 frame_ = 0; 89 Begin(); 90 } 91 92 // Checks y4m header information 93 void HeaderChecks(unsigned int bit_depth, vpx_img_fmt_t fmt) { 94 ASSERT_TRUE(input_file_ != NULL); 95 ASSERT_EQ(y4m_.pic_w, (int)kWidth); 96 ASSERT_EQ(y4m_.pic_h, (int)kHeight); 97 ASSERT_EQ(img()->d_w, kWidth); 98 ASSERT_EQ(img()->d_h, kHeight); 99 ASSERT_EQ(y4m_.bit_depth, bit_depth); 100 ASSERT_EQ(y4m_.vpx_fmt, fmt); 101 if (fmt == VPX_IMG_FMT_I420 || fmt == VPX_IMG_FMT_I42016) { 102 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 3 / 2); 103 ASSERT_EQ(img()->x_chroma_shift, 1U); 104 ASSERT_EQ(img()->y_chroma_shift, 1U); 105 } 106 if (fmt == VPX_IMG_FMT_I422 || fmt == VPX_IMG_FMT_I42216) { 107 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 2); 108 ASSERT_EQ(img()->x_chroma_shift, 1U); 109 ASSERT_EQ(img()->y_chroma_shift, 0U); 110 } 111 if (fmt == VPX_IMG_FMT_I444 || fmt == VPX_IMG_FMT_I44416) { 112 ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 3); 113 ASSERT_EQ(img()->x_chroma_shift, 0U); 114 ASSERT_EQ(img()->y_chroma_shift, 0U); 115 } 116 } 117 118 // Checks MD5 of the raw frame data 119 void Md5Check(const string &expected_md5) { 120 ASSERT_TRUE(input_file_ != NULL); 121 libvpx_test::MD5 md5; 122 for (unsigned int i = start_; i < limit_; i++) { 123 md5.Add(img()); 124 Next(); 125 } 126 ASSERT_EQ(string(md5.Get()), expected_md5); 127 } 128}; 129 130TEST_P(Y4mVideoSourceTest, SourceTest) { 131 const Y4mTestParam t = GetParam(); 132 Init(t.filename, kFrames); 133 HeaderChecks(t.bit_depth, t.format); 134 Md5Check(t.md5raw); 135} 136 137INSTANTIATE_TEST_CASE_P(C, Y4mVideoSourceTest, 138 ::testing::ValuesIn(kY4mTestVectors)); 139 140class Y4mVideoWriteTest 141 : public Y4mVideoSourceTest { 142 protected: 143 Y4mVideoWriteTest() {} 144 145 virtual ~Y4mVideoWriteTest() { 146 delete tmpfile_; 147 input_file_ = NULL; 148 } 149 150 void ReplaceInputFile(FILE *input_file) { 151 CloseSource(); 152 frame_ = 0; 153 input_file_ = input_file; 154 rewind(input_file_); 155 ReadSourceToStart(); 156 } 157 158 // Writes out a y4m file and then reads it back 159 void WriteY4mAndReadBack() { 160 ASSERT_TRUE(input_file_ != NULL); 161 char buf[Y4M_BUFFER_SIZE] = {0}; 162 const struct VpxRational framerate = {y4m_.fps_n, y4m_.fps_d}; 163 tmpfile_ = new libvpx_test::TempOutFile; 164 ASSERT_TRUE(tmpfile_->file() != NULL); 165 y4m_write_file_header(buf, sizeof(buf), 166 kWidth, kHeight, 167 &framerate, y4m_.vpx_fmt, 168 y4m_.bit_depth); 169 fputs(buf, tmpfile_->file()); 170 for (unsigned int i = start_; i < limit_; i++) { 171 y4m_write_frame_header(buf, sizeof(buf)); 172 fputs(buf, tmpfile_->file()); 173 write_image_file(img(), tmpfile_->file()); 174 Next(); 175 } 176 ReplaceInputFile(tmpfile_->file()); 177 } 178 179 virtual void Init(const std::string &file_name, int limit) { 180 Y4mVideoSourceTest::Init(file_name, limit); 181 WriteY4mAndReadBack(); 182 } 183 libvpx_test::TempOutFile *tmpfile_; 184}; 185 186TEST_P(Y4mVideoWriteTest, WriteTest) { 187 const Y4mTestParam t = GetParam(); 188 Init(t.filename, kFrames); 189 HeaderChecks(t.bit_depth, t.format); 190 Md5Check(t.md5raw); 191} 192 193INSTANTIATE_TEST_CASE_P(C, Y4mVideoWriteTest, 194 ::testing::ValuesIn(kY4mTestVectors)); 195} // namespace 196