1 /*
2 * Copyright (c) 2018, Alliance for Open Media. All rights reserved.
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <cstdio>
13 #include <cstdlib>
14 #include <memory>
15 #include <set>
16 #include <string>
17 #include <tuple>
18 #include "common/tools_common.h"
19 #include "config/aom_config.h"
20 #include "gtest/gtest.h"
21 #include "test/codec_factory.h"
22 #include "test/decode_test_driver.h"
23 #include "test/ivf_video_source.h"
24 #include "test/md5_helper.h"
25 #include "test/test_vectors.h"
26 #include "test/util.h"
27 #if CONFIG_WEBM_IO
28 #include "test/webm_video_source.h"
29 #endif
30
31 namespace {
32
33 const int kThreads = 0;
34 const int kFileName = 1;
35 const int kRowMT = 2;
36
37 typedef std::tuple<int, const char *, int> DecodeParam;
38
39 class TestVectorTest : public ::libaom_test::DecoderTest,
40 public ::libaom_test::CodecTestWithParam<DecodeParam> {
41 protected:
TestVectorTest()42 TestVectorTest() : DecoderTest(GET_PARAM(0)), md5_file_(nullptr) {}
43
~TestVectorTest()44 ~TestVectorTest() override {
45 if (md5_file_) fclose(md5_file_);
46 }
47
OpenMD5File(const std::string & md5_file_name_)48 void OpenMD5File(const std::string &md5_file_name_) {
49 md5_file_ = libaom_test::OpenTestDataFile(md5_file_name_);
50 ASSERT_NE(md5_file_, nullptr)
51 << "Md5 file open failed. Filename: " << md5_file_name_;
52 }
53
PreDecodeFrameHook(const libaom_test::CompressedVideoSource & video,libaom_test::Decoder * decoder)54 void PreDecodeFrameHook(const libaom_test::CompressedVideoSource &video,
55 libaom_test::Decoder *decoder) override {
56 if (video.frame_number() == 0) decoder->Control(AV1D_SET_ROW_MT, row_mt_);
57 }
58
DecompressedFrameHook(const aom_image_t & img,const unsigned int frame_number)59 void DecompressedFrameHook(const aom_image_t &img,
60 const unsigned int frame_number) override {
61 ASSERT_NE(md5_file_, nullptr);
62 char expected_md5[33];
63 char junk[128];
64
65 // Read correct md5 checksums.
66 const int res = fscanf(md5_file_, "%s %s", expected_md5, junk);
67 ASSERT_NE(res, EOF) << "Read md5 data failed";
68 expected_md5[32] = '\0';
69
70 ::libaom_test::MD5 md5_res;
71 #if FORCE_HIGHBITDEPTH_DECODING
72 const aom_img_fmt_t shifted_fmt =
73 (aom_img_fmt)(img.fmt & ~AOM_IMG_FMT_HIGHBITDEPTH);
74 if (img.bit_depth == 8 && shifted_fmt != img.fmt) {
75 aom_image_t *img_shifted =
76 aom_img_alloc(nullptr, shifted_fmt, img.d_w, img.d_h, 16);
77 img_shifted->bit_depth = img.bit_depth;
78 img_shifted->monochrome = img.monochrome;
79 aom_img_downshift(img_shifted, &img, 0);
80 md5_res.Add(img_shifted);
81 aom_img_free(img_shifted);
82 } else {
83 #endif
84 md5_res.Add(&img);
85 #if FORCE_HIGHBITDEPTH_DECODING
86 }
87 #endif
88
89 const char *actual_md5 = md5_res.Get();
90 // Check md5 match.
91 ASSERT_STREQ(expected_md5, actual_md5)
92 << "Md5 checksums don't match: frame number = " << frame_number;
93 }
94
95 unsigned int row_mt_;
96
97 private:
98 FILE *md5_file_;
99 };
100
101 // This test runs through the whole set of test vectors, and decodes them.
102 // The md5 checksums are computed for each frame in the video file. If md5
103 // checksums match the correct md5 data, then the test is passed. Otherwise,
104 // the test failed.
TEST_P(TestVectorTest,MD5Match)105 TEST_P(TestVectorTest, MD5Match) {
106 const DecodeParam input = GET_PARAM(1);
107 const std::string filename = std::get<kFileName>(input);
108 aom_codec_flags_t flags = 0;
109 aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
110 char str[256];
111
112 cfg.threads = std::get<kThreads>(input);
113 row_mt_ = std::get<kRowMT>(input);
114
115 snprintf(str, sizeof(str) / sizeof(str[0]) - 1, "file: %s threads: %d",
116 filename.c_str(), cfg.threads);
117 SCOPED_TRACE(str);
118
119 // Open compressed video file.
120 std::unique_ptr<libaom_test::CompressedVideoSource> video;
121 if (filename.substr(filename.length() - 3, 3) == "ivf") {
122 video.reset(new libaom_test::IVFVideoSource(filename));
123 } else if (filename.substr(filename.length() - 4, 4) == "webm" ||
124 filename.substr(filename.length() - 3, 3) == "mkv") {
125 #if CONFIG_WEBM_IO
126 video.reset(new libaom_test::WebMVideoSource(filename));
127 #else
128 fprintf(stderr, "WebM IO is disabled, skipping test vector %s\n",
129 filename.c_str());
130 return;
131 #endif
132 }
133 ASSERT_NE(video, nullptr);
134 video->Init();
135
136 // Construct md5 file name.
137 const std::string md5_filename = filename + ".md5";
138 OpenMD5File(md5_filename);
139
140 // Set decode config and flags.
141 cfg.allow_lowbitdepth = !FORCE_HIGHBITDEPTH_DECODING;
142 set_cfg(cfg);
143 set_flags(flags);
144
145 // Decode frame, and check the md5 matching.
146 ASSERT_NO_FATAL_FAILURE(RunLoop(video.get(), cfg));
147 }
148
149 #if CONFIG_AV1_DECODER
150 AV1_INSTANTIATE_TEST_SUITE(
151 TestVectorTest,
152 ::testing::Combine(::testing::Values(1), // Single thread.
153 ::testing::ValuesIn(libaom_test::kAV1TestVectors,
154 libaom_test::kAV1TestVectors +
155 libaom_test::kNumAV1TestVectors),
156 ::testing::Values(0)));
157
158 // Test AV1 decode in with different numbers of threads.
159 INSTANTIATE_TEST_SUITE_P(
160 AV1MultiThreaded, TestVectorTest,
161 ::testing::Combine(
162 ::testing::Values(
163 static_cast<const libaom_test::CodecFactory *>(&libaom_test::kAV1)),
164 ::testing::Combine(
165 ::testing::Range(2, 9), // With 2 ~ 8 threads.
166 ::testing::ValuesIn(libaom_test::kAV1TestVectors,
167 libaom_test::kAV1TestVectors +
168 libaom_test::kNumAV1TestVectors),
169 ::testing::Range(0, 2))));
170
171 #endif // CONFIG_AV1_DECODER
172
173 } // namespace
174