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#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" 17#include "./y4menc.h" 18 19namespace { 20 21using std::string; 22 23static const unsigned int kWidth = 160; 24static const unsigned int kHeight = 90; 25static const unsigned int kFrames = 10; 26 27struct Y4mTestParam { 28 const char *filename; 29 unsigned int bit_depth; 30 vpx_img_fmt format; 31 const char *md5raw; 32}; 33 34const 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"}, 53}; 54 55static void write_image_file(const vpx_image_t *img, FILE *file) { 56 int plane, y; 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_HIGHBITDEPTH) ? 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); 67 buf += stride; 68 } 69 } 70} 71 72class Y4mVideoSourceTest 73 : public ::testing::TestWithParam<Y4mTestParam>, 74 public ::libvpx_test::Y4mVideoSource { 75 protected: 76 Y4mVideoSourceTest() : Y4mVideoSource("", 0, 0) {} 77 78 virtual ~Y4mVideoSourceTest() { 79 CloseSource(); 80 } 81 82 virtual void Init(const std::string &file_name, int limit) { 83 file_name_ = file_name; 84 start_ = 0; 85 limit_ = limit; 86 frame_ = 0; 87 Begin(); 88 } 89 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); 103 } 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); 108 } 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); 113 } 114 } 115 116 // 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++) { 121 md5.Add(img()); 122 Next(); 123 } 124 ASSERT_EQ(string(md5.Get()), expected_md5); 125 } 126}; 127 128TEST_P(Y4mVideoSourceTest, SourceTest) { 129 const Y4mTestParam t = GetParam(); 130 Init(t.filename, kFrames); 131 HeaderChecks(t.bit_depth, t.format); 132 Md5Check(t.md5raw); 133} 134 135INSTANTIATE_TEST_CASE_P(C, Y4mVideoSourceTest, 136 ::testing::ValuesIn(kY4mTestVectors)); 137 138class Y4mVideoWriteTest 139 : public Y4mVideoSourceTest { 140 protected: 141 Y4mVideoWriteTest() {} 142 143 virtual ~Y4mVideoWriteTest() { 144 delete tmpfile_; 145 input_file_ = NULL; 146 } 147 148 void ReplaceInputFile(FILE *input_file) { 149 CloseSource(); 150 frame_ = 0; 151 input_file_ = input_file; 152 rewind(input_file_); 153 ReadSourceToStart(); 154 } 155 156 // Writes out a y4m file and then reads it back 157 void WriteY4mAndReadBack() { 158 ASSERT_TRUE(input_file_ != NULL); 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_TRUE(tmpfile_->file() != NULL); 163 y4m_write_file_header(buf, sizeof(buf), 164 kWidth, kHeight, 165 &framerate, y4m_.vpx_fmt, 166 y4m_.bit_depth); 167 fputs(buf, tmpfile_->file()); 168 for (unsigned int i = start_; i < limit_; i++) { 169 y4m_write_frame_header(buf, sizeof(buf)); 170 fputs(buf, tmpfile_->file()); 171 write_image_file(img(), tmpfile_->file()); 172 Next(); 173 } 174 ReplaceInputFile(tmpfile_->file()); 175 } 176 177 virtual void Init(const std::string &file_name, int limit) { 178 Y4mVideoSourceTest::Init(file_name, limit); 179 WriteY4mAndReadBack(); 180 } 181 libvpx_test::TempOutFile *tmpfile_; 182}; 183 184TEST_P(Y4mVideoWriteTest, WriteTest) { 185 const Y4mTestParam t = GetParam(); 186 Init(t.filename, kFrames); 187 HeaderChecks(t.bit_depth, t.format); 188 Md5Check(t.md5raw); 189} 190 191INSTANTIATE_TEST_CASE_P(C, Y4mVideoWriteTest, 192 ::testing::ValuesIn(kY4mTestVectors)); 193} // namespace 194